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Sample records for beb based dcf

  1. Power budget improvement of symmetric 40 Gb/s TWDM based PON2 system utilizing DMLs and DCF technique

    Science.gov (United States)

    Bindhaiq, Salem; Zulkifli, Nadiatulhuda; Supa'at, Abu Sahmah M.; Idrus, Sevia M.; Salleh, M. S.

    2018-01-01

    In this paper, we propose to use optical dispersion compensation based on the widely deployed compensating fiber (DCF) employing directly modulated lasers (DMLs) to improve the power budget in a symmetric 40 Gb/s time and wavelength division multiplexed-passive optical network (TWDM-PON) systems. The DML output waveforms in terms of output optical power, bandwidth enhancement factor (α) characteristics are investigated in order to minimize the effect of DML chirp and improve the transmission performance. Simulation results show dispersion compensation of up to 140 km of SMF with power budget of 56.6 dB and less than 2 dB dispersion penalty. The feasibility of bandwidth enhancement factor and power budget is also investigated. The simulation results indicate sufficient dispersion compensation for TWDM-PON based on DML transmission, which may vary considerably in their practical demonstration due to different system characterization.

  2. Asymptotic performance modelling of DCF protocol with prioritized channel access

    Science.gov (United States)

    Choi, Woo-Yong

    2017-11-01

    Recently, the modification of the DCF (Distributed Coordination Function) protocol by the prioritized channel access was proposed to resolve the problem that the DCF performance worsens exponentially as more nodes exist in IEEE 802.11 wireless LANs. In this paper, an asymptotic analytical performance model is presented to analyze the MAC performance of the DCF protocol with the prioritized channel access.

  3. Results for the Brine Evaporation Bag (BEB) Brine Processing Test

    Science.gov (United States)

    Delzeit, Lance; Flynn, Michael; Fisher, John; Shaw, Hali; Kawashima, Brian; Beeler, David; Howard, Kevin

    2015-01-01

    The recent Brine Processing Test compared the NASA Forward Osmosis Brine Dewatering (FOBD), Paragon Ionomer Water Processor (IWP), UMPQUA Ultrasonic Brine Dewatering System (UBDS), and the NASA Brine Evaporation Bag (BEB). This paper reports the results of the BEB. The BEB was operated at 70 deg C and a base pressure of 12 torr. The BEB was operated in a batch mode, and processed 0.4L of brine per batch. Two different brine feeds were tested, a chromic acid-urine brine and a chromic acid-urine-hygiene mix brine. The chromic acid-urine brine, known as the ISS Alternate Pretreatment Brine, had an average processing rate of 95 mL/hr with a specific power of 5kWhr/L. The complete results of these tests will be reported within this paper.

  4. A Key Factor of the DCF Model Coherency

    Directory of Open Access Journals (Sweden)

    Piotr Adamczyk

    2017-04-01

    Full Text Available Aim/purpose - The aim of this paper is to provide economically justified evidence that the business value calculated by income valuation methods is the same, regardless of the type of cash flow used in the valuation algorithm. Design/methodology/approach - The evidence was arrived at using free cash flow to equity (FCFE, debt (FCFD and firm (FCFF. The article draws attention to the FCFF method's particular popularity in income valuation, based on analysts' practice. It shows an overview of various approaches to determine the capital structure in the formula for WACC, both in practice and theory. Finally, it examines an empirical example with the authors' own derivations and postulates. Findings - The conclusion drawn from the conducted analysis is that the key to the reconciliation process, and thus DCF model coherency, is to apply the appropriate method of capital structure estimation during the calculation of the weighted average cost of capital (WACC. This capital structure will henceforth be referred to as 'income weights'. Research implications/limitations - It should be noted that the obtained compliance of valuation results does not imply that the income valuation becomes an objective way of determining business value. It still remains subjective. Originality/value/contribution - According to the presented approach, the DCF model's subjectivism is limited to the forecasts. The rest is the algorithm which, based on the principles of mathematics, should be used in the same way in every situation.

  5. DCF Fair Value Valuation, Excessive Assetes and Hidden Inefficiencies

    Directory of Open Access Journals (Sweden)

    Paweł Mielcarz

    2011-12-01

    Full Text Available Fair value concept is widely used in DCF (Discounted Cash Flow  business valuation. One of the main principle of fair value concept is full information symmetry between contracting parties. The assumption enforces specific way of FCF (Free Cash Flow estimation: all areas of inefficiency of valuated companies should be identified and their effect on free cash flow should be eliminated. The projection of free cash flow thus prepared should reflect the optimum operations of the business. The methodological issues of fair value valuation of inefficient companies are not comprehensibly addressed in the financial and accounting literature. There is easily observable gap between fair value theory and valuation practices. Thus this article is an attempt to answer the question about practical issues in fair value valuation of companies which do not apply value based management rules. It is based on literature review, theory examination and short case studies which present proposed solution for practical problems. Methods of identification and assessment of impact of inefficiencies on the fair value of a business are hereinafter presented and supported with arguments.

  6. Enhancing MAC performance of DCF protocol for IEEE 802.11 wireless LANs

    Science.gov (United States)

    Choi, Woo-Yong

    2017-01-01

    The DCF (Distributed Coordination Function) is the basic MAC (Medium Access Control) protocol of IEEE 802.11 wireless LANs and compatible with various IEEE 802.11 PHY extensions. The performance of the DCF degrades exponentially as the number of nodes participating in the DCF transmission procedure increases. To deal with this problem, we propose a simple, however efficient modification of the DCF by which the performance of the DCF is greatly enhanced.

  7. Traumatismo dental en bebés

    Directory of Open Access Journals (Sweden)

    Antonio Jose da Silva Nogueira

    2018-01-01

    Full Text Available Las ocurrencias traumáticas pueden traer consecuencias desagradables tanto en lo físico como en lo estético, como en el aspecto psicológico. Los traumas sufridos por bebés traen situaciones casi irreparables en el momento, tales como las limitaciones inherentes a la edad del paciente cuando aún es bebé. Las soluciones protésicas, por ejemplo, son casi siempre descartadas porque la edad del paciente es incompatible con el uso de una prótesis. Así, como ésta, también ocurren muchas otras situaciones, limitando un tratamiento inmediato y representando para el paciente un problema a ser resuelto. Por lo tanto, en el trabajo se hace una revisión de la bibliografía que aborda el traumatismo dental en bebés y comentarios sobre los exámenes a realizar, siempre considerando la edad, crecimiento y desarrollo, además de relatar las consecuencias de esos traumatismos en esta franja etaria inicial de vida como resultado. Finalmente, trata de alertar a los responsables de los niños de los cuidados de emergencia que se deben tener en algunas ocurrencias de traumatismos dentales en bebés.

  8. Vinculacão em mães adolescentes e seus bebés

    OpenAIRE

    Jongenelen, Ines; Soares, Isabel; Grossmann, Karin; Martins, Carla

    2006-01-01

    Neste artigo, as autoras apresentam uma investigação empírica com mães adolescentes e seus bebés, conduzida sob a perspectiva da Teoria da Vinculação de Bowlby. Quarenta adolescentes e seus bebés foram avaliados na gravidez e 12.º mês do pós‑parto, com base, respectivamente, na Adult Attachment Interview e na Situação Estranha. Os resultados revelam que a maioria dos bebés apresenta uma organização de vinculação segura à mãe, aos 12 meses de idade. Não foi encontrada uma associação significat...

  9. openBEB: open biological experiment browser for correlative measurements.

    Science.gov (United States)

    Ramakrishnan, Chandrasekhar; Bieri, Andrej; Sauter, Nora; Roizard, Sophie; Ringler, Philippe; Müller, Shirley A; Goldie, Kenneth N; Enimanev, Kaloyan; Stahlberg, Henning; Rinn, Bernd; Braun, Thomas

    2014-03-26

    New experimental methods must be developed to study interaction networks in systems biology. To reduce biological noise, individual subjects, such as single cells, should be analyzed using high throughput approaches. The measurement of several correlative physical properties would further improve data consistency. Accordingly, a considerable quantity of data must be acquired, correlated, catalogued and stored in a database for subsequent analysis. We have developed openBEB (open Biological Experiment Browser), a software framework for data acquisition, coordination, annotation and synchronization with database solutions such as openBIS. OpenBEB consists of two main parts: A core program and a plug-in manager. Whereas the data-type independent core of openBEB maintains a local container of raw-data and metadata and provides annotation and data management tools, all data-specific tasks are performed by plug-ins. The open architecture of openBEB enables the fast integration of plug-ins, e.g., for data acquisition or visualization. A macro-interpreter allows the automation and coordination of the different modules. An update and deployment mechanism keeps the core program, the plug-ins and the metadata definition files in sync with a central repository. The versatility, the simple deployment and update mechanism, and the scalability in terms of module integration offered by openBEB make this software interesting for a large scientific community. OpenBEB targets three types of researcher, ideally working closely together: (i) Engineers and scientists developing new methods and instruments, e.g., for systems-biology, (ii) scientists performing biological experiments, (iii) theoreticians and mathematicians analyzing data. The design of openBEB enables the rapid development of plug-ins, which will inherently benefit from the "house keeping" abilities of the core program. We report the use of openBEB to combine live cell microscopy, microfluidic control and visual

  10. Encías sanas : Bebés sanos

    OpenAIRE

    Caride, Facundo; Rodríguez, Claudia Noemí; Yanutan, Nora Cristian; Palau, Juan Pablo

    2017-01-01

    La relación entre la infección periodontal durante el embarazo y el nacimiento de bebés prematuros de bajo peso está científicamente comprobada. Dada la alta incidencia de embarazo y prevalencia de enfermedades gingivoperiodontales en adolescentes, decidimos abordar ambas problemáticas en este proyecto de extensión. Se desarrollaron actividades educativas con el objetivo de lograr la prevención de las mismas y contribuir a la disminuición de la cantidad de partos prematuros y bebés de bajo pe...

  11. Performance Analysis of IEEE 802.11e (EDCF) and IEEE 802.11(DCF) WLAN Incorporating Different Physical Layer Standards

    Science.gov (United States)

    Sharma, V.; Singh, H.; Malhotra, J.

    2012-12-01

    Medium access coordination function basically implements the distributed coordination function (DCF) which provides support to best effort services but limited to QoS services. Subsequently, a new standard, namely enhanced distributed channel access (EDCA) is reported. The IEEE 802.11e (EDCA) defines MAC procedures to support QoS requirements which specifies distributed contention based access scheme to access the shared wireless media. This paper evaluates the performance of EDCA based IEEE 802.11 WLAN for various access categories (ACs) using OPNET™ Modeller 14.5. Further, the computed results are compared with DCF protocols in terms of QoS parameters. Furthermore, the simulative observation is reported at data rate of 54 Mbps using different physical layer protocols such as IEEE 802.11a/b/g to stumble on the best one to be implemented with EDCF to achieve improved QoS.

  12. Performance Analysis of Non-saturated IEEE 802.11 DCF Networks

    Science.gov (United States)

    Zhai, Linbo; Zhang, Xiaomin; Xie, Gang

    This letter presents a model with queueing theory to analyze the performance of non-saturated IEEE 802.11 DCF networks. We use the closed queueing network model and derive an approximate representation of throughput which can reveal the relationship between the throughput and the total offered load under finite traffic load conditions. The accuracy of the model is verified by extensive simulations.

  13. O bebê imaginado na gestação: aspectos teóricos e empíricos El bebé imaginado en el embarazo: aspectos teóricos y empíricos The imagined baby during pregnancy: theoretical an empirical aspects

    Directory of Open Access Journals (Sweden)

    Andrea Gabriela Ferrari

    2007-08-01

    Full Text Available Com base na literatura, discute-se neste artigo a construção do bebê imaginado feita pela mãe durante a gestação. São apresentados relatos de quatro gestantes que no início do estudo se encontravam no terceiro trimestre gestacional. Elas foram entrevistadas, no final da gestação e no terceiro e oitavo mês de vida do bebê. Nestas entrevistas abordavam-se os sentimentos e expectativas sobre a maternidade e sobre o bebê. A partir da teorização psicanalítica analisaram-se os relatos das gestantes sobre o bebê imaginado no qual a mãe investe a sua libido no intuito de constituir espaço subjetivo para receber o bebê da realidade. A partir deste estudo sugere-se que o bebê imaginado tem um importante impacto para a futura interação mãe-bebê.Con base en la literatura, se discute en este artículo la construcción del bebé imaginado hecha por la madre durante el embarazo. Se presentan relatos de cuatro embarazadas que al inicio del estudio estaban en el tercer trimestre gestacional. Las entrevistas se hicieron al final del embarazo, en el tercer y octavo mes de vida del bebé. En estas entrevistas se abordaban los sentimientos y expectativas sobre la maternidad y sobre el bebé. A partir de la teoría psicoanalítica, se analizaron los relatos de las embarazadas sobre el bebé imaginado, en el que la madre invierte su libido con el objetivo de constituir un espacio subjetivo para recibir al bebé de la realidad. A partir de este estudio se sugiere que el bebé imaginado tiene un impacto importante para la futura interacción madre-bebé.Based on the literature, the mother's construction of the imagined baby during pregnancy is discussed. Reports of pregnant women who were in the third trimester of pregnancy at the beginning of the study are presented. They were interviewed at the end of pregnancy and in the baby's third and eighth month. In these interviews the feelings and expectations concerning motherhood and the baby were

  14. Randomized Multicenter Phase II Study of Modified Docetaxel, Cisplatin, and Fluorouracil (DCF) Versus DCF Plus Growth Factor Support in Patients With Metastatic Gastric Adenocarcinoma: A Study of the US Gastric Cancer Consortium.

    Science.gov (United States)

    Shah, Manish A; Janjigian, Yelena Y; Stoller, Ronald; Shibata, Stephen; Kemeny, Margaret; Krishnamurthi, Smitha; Su, Yungpo Bernard; Ocean, Allyson; Capanu, Marinela; Mehrotra, Bhoomi; Ritch, Paul; Henderson, Charles; Kelsen, David P

    2015-11-20

    Docetaxel, cisplatin, and fluorouracil (DCF) is a standard first-line three-drug chemotherapy regimen for advanced gastric or gastroesophageal junction (GEJ) adenocarcinoma and is associated with significant toxicity. We examined the safety and efficacy of a modified DCF (mDCF) regimen in a randomized multicenter phase II study. Previously untreated patients with metastatic gastric or GEJ adenocarcinoma were randomly assigned to receive either mDCF (fluorouracil 2,000 mg/m2 intravenously [IV] over 48 hours, docetaxel 40 mg/m2 IV on day 1, cisplatin 40 mg/m2 IV on day 3, every 2 weeks) or parent DCF (docetaxel 75 mg/m2, cisplatin 75 mg/m2, and fluorouracil 750 mg/m2 IV over 5 days with granulocyte colony-stimulating factor, every 3 weeks). The study had 90% power to differentiate between 6-month progression-free survival of 26% and 43%, with type I and II error rates of 10% each. An early stopping rule for toxicity was included, defined as grade 3 to 4 adverse event rate > 70% in the first 3 months. From November 2006 to June 2010, 85 evaluable patients were enrolled (male, n = 61; female, n = 24; median age, 58 years; Karnofsky performance status, 90%; GEJ, n = 28; gastric, 57). mDCF (n = 54) toxicity rates included 54% grade 3 to 4 toxicity (22% hospitalized) within the first 3 months and 76% grade 3 to 4 toxicity over the course of treatment. The DCF arm (n = 31) closed early because of toxicity, with rates of 71% grade 3 to 4 toxicity (52% hospitalized) within 3 months and 90% grade 3 to 4 toxicity over the course of treatment. Six-month PFS was 63% (95% CI, 48% to 75%) for mDCF and 53% (95% CI, 34% to 69%) for DCF. Median overall survival was improved for mDCF (18.8 v 12.6 months; P = .007). mDCF is less toxic than parent DCF, even when supported with growth factors, and is associated with improved efficacy. mDCF should be considered a standard first-line option for patients with metastatic gastric or GEJ adenocarcinoma.

  15. Valuation: From The Discounted Cash Flows (DCF Approach To The Real Options Approach (ROA Valuation: From The Discounted Cash Flows (DCF Approach To The Real Options Approach (ROA

    Directory of Open Access Journals (Sweden)

    Cecilia Maya Ochoa

    2004-12-01

    Full Text Available There exists an abysm between market prices and traditional valuation approaches such as Discounted Cash Flows (DCF, a fact that neither academics nor practitioners could continue ignoring. Recently, a complementary approach has taken a foothold into the valuation world. Building on the DCF approach yet going further in the sense of incorporating flexibility in management investment decisions, and taking advantage of the advances in option pricing theory, the real options approach (ROA has become the alternative to capital budgeting and, lately, to corporate valuation. Empirical evidence shows that ROA explains actual prices better than DCF approaches and nowadays there is no question that from a theoretical point of view, ROA is a much more appealing concept than passive NPV. However, its acceptance by practitioners has been very slow due to the complexity of real options pricing.Existe un abismo entre precios de Mercado y la valoración estimada por métodos tradicionales tales como Flujos de Caja Descontados, un hecho que ni académicos ni practicantes pueden continuar ignorando. Recientemente, una metodología complementaria ha tomado gran fuerza. Partiendo de los Flujos de Caja Descontados, pero incorporando flexibilidad en las decisiones de inversión y aprovechando los avances en la teoría de valoración de opciones, el enfoque de opciones reales (ROA se ha convertido en la alternativa para presupuestación de capital y valoración de empresas. La evidencia empírica muestra que ROA explica los precios de mercado mejor que los enfoques basados en flujos de caja descontados y, hoy en día, no hay discusión de que es más atractivo desde un punto de vista teórico; sin embargo, su utilización en la práctica ha sido muy limitada debido a las dificultades que presenta la valoración de las opciones reales.

  16. Depressão materna e interação mãe-bebê no final do primeiro ano de vida

    Directory of Open Access Journals (Sweden)

    Daniela Delias de Sousa Schwengber

    Full Text Available O objetivo deste estudo foi o de examinar eventuais diferenças na interação mãe-bebê entre mães com e sem depressão no final do primeiro ano de vida do bebê. Participaram 26 díades mãe-bebê, 11 com mães com indicadores de depressão e 15 com mães sem indicadores. A designação aos dois grupos ocorreu com base nos escores do Inventário Beck de Depressão. Análise dos totais de comportamentos maternos e infantis durante sessão de observação do brinquedo livre revelou que mães com indicadores de depressão apresentaram menos comportamentos facilitadores da exploração de brinquedos pelos bebês enquanto seus filhos mostraram mais afeto negativo. Além disso, mães com indicadores de depressão evidenciaram mais apatia, mantiveram menos a atenção de seus filhos nos brinquedos e demonstraram menos ternura e afeição e seus bebês apresentaram mais vocalizações negativas. Esses resultados apóiam as expectativas de que a depressão materna pode ocasionar um impacto negativo na interação mãe-bebê.

  17. Teatro para bebês : processos criativos, dramaturgia e escuta

    OpenAIRE

    Cabral, Fernanda Alvarenga

    2016-01-01

    A presente pesquisa investiga o chamado ‘teatro para bebês’ a partir da análise e elaboração de seus processos criativos com o objetivo de identificar as principais características que conformam essa poética. Pretende-se argumentar sobre a arte feita para a primeira infância como uma atividade de pesquisa do ator-diretor-autor-compositor que se dá por meio da observação dos bebês no ambiente das creches. Dotado de um pluralismo metodológico, esse estudo se desenvolve a partir da análise das o...

  18. CSMA/CCA: A Modified CSMA/CA Protocol Mitigating the Fairness Problem for IEEE 802.11 DCF

    Directory of Open Access Journals (Sweden)

    Wang Xin

    2006-01-01

    Full Text Available Carrier sense multiple access with collision avoidance (CSMA/CA has been adopted by the IEEE 802.11 standards for wireless local area networks (WLANs. Using a distributed coordination function (DCF, the CSMA/CA protocol reduces collisions and improves the overall throughput. To mitigate fairness issues arising with CSMA/CA, we develop a modified version that we term CSMA with copying collision avoidance (CSMA/CCA. A station in CSMA/CCA contends for the shared wireless medium by employing a binary exponential backoff similar to CSMA/CA. Different from CSMA/CA, CSMA/CCA copies the contention window (CW size piggybacked in the MAC header of an overheard data frame within its basic service set (BSS and updates its backoff counter according to the new CW size. Simulations carried out in several WLAN configurations illustrate that CSMA/CCA improves fairness relative to CSMA/CA and offers considerable advantages for deployment in the 802.11-standard-based WLANs.

  19. Protocolo de avaliação do frênulo da língua em bebês

    OpenAIRE

    Martinelli,Roberta Lopes de Castro; Marchesan,Irene Queiroz; Rodrigues,Antonio de Castro; Berretin-Felix,Giédre

    2012-01-01

    OBJETIVO: apresentar uma proposta de protocolo de avaliação do frênulo da língua em bebês com escores. MÉTODO: inicialmente foi realizada uma revisão da literatura relacionada, consultando as bases de dados Web of Science, Pubmed, Embase, All Evidence-Based Medicine Reviews e Scielo, bem como livros textos das áreas de anatomia, odontopediatria e fonoaudiologia. Todos os aspectos julgados relevantes nos trabalhos encontrados foram incluídos na versão inicial, que foi submetida à avaliação de ...

  20. On the Optimization of the IEEE 802.11 DCF: A Cross-Layer Perspective

    Directory of Open Access Journals (Sweden)

    Massimiliano Laddomada

    2010-01-01

    Full Text Available This paper is focused on the problem of optimizing the aggregate throughput of the distributed coordination function (DCF employing the basic access mechanism at the data link layer of IEEE 802.11 protocols. We consider general operating conditions accounting for both nonsaturated and saturated traffic in the presence of transmission channel errors, as exemplified by the packet error rate . The main clue of this work stems from the relation that links the aggregate throughput of the network to the packet rate of the contending stations. In particular, we show that the aggregate throughput ( presents two clearly distinct operating regions that depend on the actual value of the packet rate with respect to a critical value , theoretically derived in this work. The behavior of ( paves the way to a cross-layer optimization algorithm, which proved to be effective for maximizing the aggregate throughput in a variety of network operating conditions. A nice consequence of the proposed optimization framework relies on the fact that the aggregate throughput can be predicted quite accurately with a simple, yet effective, closed-form expression. Finally, theoretical and simulation results are presented in order to unveil, as well as verify, the key ideas.

  1. Investigação do reconhecimento do próprio nome em bebês de 4 a 5 meses: estudo piloto

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    Nárli Pereira Machado

    2013-10-01

    Full Text Available OBJETIVO: verificar se as crianças na faixa etária entre quatro e cinco meses reconhecem o próprio nome. MÉTODO: estudo transversal, realizado com 16 bebês com idade entre quatro e cinco meses, avaliados pelo programa Estadual de Triagem Auditiva Neonatal Universal (TANU no Ambulatório de Fonoaudiologia do Hospital das Clínicas da Universidade Federal de Minas Gerais (HC-UFMG. Foram realizadas avaliações auditiva e de linguagem, além do teste de reconhecimento do próprio nome. Realizou-se análise descritiva das variáveis utilizadas no estudo e análise estatística. As variáveis contínuas foram comparadas por meio do teste T pareado e considerou-se nível de significância de 5% e coeficiente de confiança de 95%. RESULTADOS: verificou-se predominância das respostas dos bebês à evocação do próprio nome, na maioria dos bebês avaliados. CONCLUSÕES: com base nos critérios utilizados neste estudo, entre quatro e cinco meses as crianças já são capazes de reconhecer seu próprio nome.

  2. Transformações no Envolvimento Paterno ao Longo dos Seis Primeiros Meses do Bebê na Creche

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    Marília Reginato Gabriel

    Full Text Available Resumo Este trabalho investigou o envolvimento de pais com seus bebês e com a creche nos seis primeiros meses de frequência do bebê no berçário. Por meio de um estudo de caso coletivo de caráter longitudinal, quatro pais responderam a entrevistas em três momentos: entrada do bebê na creche, um mês e 6 meses depois da entrada. Análise de conteúdo qualitativa indicou que tanto a creche como o desenvolvimento do bebê foram aliados do pai para a retomada do trabalho e da vida conjugal. O estudo mostra a importância de se levar em consideração as necessidades e competências do pai que está envolvido no cuidado ao bebê.

  3. Influencia de la salud bucal durante el embarazo en la salud del futuro bebé

    OpenAIRE

    Díaz Valdés, Liuba; Valle Lizama, Raúl Luis

    2015-01-01

    Fundamento: El embarazo se relaciona con una mayor incidencia de caries y gingivitis. Objetivo: Profundizar en el conocimiento sobre la influencia de estas afecciones bucales en la salud del futuro bebé. Conclusiones: El embarazo genera adaptaciones en la fisiología femenina las cuales pueden repercutir en la salud bucal de la gestante. Las afecciones bucales más frecuentes son la caries dental y la gingivitis, estas si no son tratadas a tiempo pueden afectar la salud del futuro bebé. Back...

  4. Performance Analysis of IEEE 802.11 DCF and IEEE 802.11e EDCA in Non-saturation Condition

    Science.gov (United States)

    Kim, Tae Ok; Kim, Kyung Jae; Choi, Bong Dae

    We analyze the MAC performance of the IEEE 802.11 DCF and 802.11e EDCA in non-saturation condition where device does not have packets to transmit sometimes. We assume that a flow is not generated while the previous flow is in service and the number of packets in a flow is geometrically distributed. In this paper, we take into account the feature of non-saturation condition in standards: possibility of transmission performed without preceding backoff procedure for the first packet arriving at the idle station. Our approach is to model a stochastic behavior of one station as a discrete time Markov chain. We obtain four performance measures: normalized channel throughput, average packet HoL (head of line) delay, expected time to complete transmission of a flow and packet loss probability. Our results can be used for admission control to find the optimal number of stations with some constraints on these measures.

  5. Haz que tu bebé nazca protegido contra la tosferina(Born with Protection against Whooping Cough)

    Centers for Disease Control (CDC) Podcasts

    Este podcast provee información acerca de la tosferina, una enfermedad que puede ser mortal para los bebés, y la recomendación de los CDC de que todas las mujeres reciban la vacuna Tdap durante el tercer trimestre de cada embarazo para que su bebé nazca con protección contra esta grave enfermedad.

  6. Early neurobehavioral development of preterm infants Desenvolvimento neurocomportamental inicial de bebês prematuros

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    Paula Stefaneli Ziotti Gabriel

    2013-01-01

    Full Text Available The aim of the present study was to assess the very early neurobehavioral development of preterm infants and to examine differences regarding sex. Two-hundred and two preterm infants were assessed by the Neurobehavioral Assessment of the Preterm Infant (NAPI, which was carried out at 32-37 weeks post-conceptional age in the hospital setting. The infants' performance was compared to a norm-referenced sample and a comparison between groups regarding sex was also done. In comparison to the NAPI norm-reference, the preterm infants showed less muscular tonicity on the scarf sign, less vigor and spontaneous movement, higher alertness and orientation, weaker cry, and more sleep state. There was no statistical difference between males and females preterm infants at NAPI performances.O objetivo do estudo foi avaliar o desenvolvimento neurocomportamental inicial de bebês prematuros e examinar as diferenças quanto ao sexo. Foram avaliados 202 bebês nascidos pré-termo pela Avaliação Neurocomportamental para Prematuros (NAPI, que foi realizada na fase de 32-37 semanas de idade pós-concepcional no contexto hospitalar. O desempenho dos bebês no NAPI foi comparado com a amostra de padronização do instrumento e também foi feita a comparação entre grupos diferenciados pelo sexo. Em relação à amostra de padronização, os bebês deste estudo apresentaram menor tonicidade muscular no sinal de cachecol, menor vigor e movimento espontâneo, mais alerta e orientação, choro mais fraco e mais estado de sono. Houve um padrão semelhante de desempenho neurocomportamental dos meninos e meninas nascidos prematuros.

  7. Envolvimento paterno aos três meses de vida do bebê

    Directory of Open Access Journals (Sweden)

    Cesar Augusto Piccinini

    Full Text Available O presente estudo investigou o envolvimento paterno aos três meses de vida do bebê. Foram entrevistados 38 pais primíparos, com idades entre 20 e 40 anos. Realizou-se uma análise de conteúdo baseada nas dimensões do conceito de envolvimento paterno: interação, acessibilidade e responsabilidade. Os pais revelaram envolverem-se nas atividades de cuidado, embora nem sempre de maneira rotineira. Também relataram preocupações e envolvimento nas decisões relativas aos cuidados, educação e saúde do bebê. Contudo, consideravam que sua participação estava aquém da ideal em função das restrições impostas pelo trabalho. Os resultados apontam para um aumento no envolvimento paterno nos primeiros meses do bebê e para a necessidade de apoio aos pais neste momento de transição familiar.

  8. O impacto da depressão pós-parto para a interação mãe-bebê The impact of postpartum depression to mother-child interaction

    Directory of Open Access Journals (Sweden)

    Daniela Delias de Sousa Schwengber

    2003-12-01

    Full Text Available O presente artigo examina algumas questões teóricas e estudos empíricos a respeito do impacto da depressão pós-parto para a interação mãe-bebê. Analisam-se as características da depressão pós-parto e fatores de risco associados à sua ocorrência. Discutem-se, em particular, as repercussões do estado depressivo da mãe para a qualidade da interação com o bebê e, conseqüentemente, para o desenvolvimento posterior da criança. Os estudos revisados sugerem que a depressão pós-parto afeta a qualidade da interação mãe-bebê, especialmente no que se refere ao prejuízo na responsividade materna. Por outro lado, apontam que os efeitos da depressão da mãe na interação com o bebê dependem de uma série de fatores, o que não permite a realização de um prognóstico baseado em fatores isolados.The present article examines some theoretical aspects and empirical studies related to the impact of postpartum depression to mother-child interaction. The characteristics of postpartum depression and the risk factors related to its occurrence are also examined. Furthermore, it discusses the consequences of maternal depressed state to mother-child interaction and to child development. The revised studies suggest that postpartum depression negatively affects the mother-child interaction quality, particularly maternal responsivity. On the other hand, studies show that postpartum depression effects on mother-child interaction depend on various factors, which makes it impossible for us to make predictions based on any isolated factor.

  9. Transição para a parentalidade no contexto de cardiopatia congênita do bebê

    Directory of Open Access Journals (Sweden)

    Cristina Saling Kruel

    Full Text Available O estudo objetivou investigar o processo de transição para a parentalidade no contexto de cardiopatia congênita do bebê. Participaram do estudo quatro casais, cujos filhos nasceram com malformação cardíaca. Utilizou-se delineamento de estudo de caso coletivo. Mãe e pai foram entrevistados sobre os primeiros momentos após o nascimento do bebê e a experiência da maternidade e da paternidade, respectivamente. Análise de conteúdo indicou que o diagnóstico de cardiopatia do bebê interfere no processo de parentalização. Destacou-se a intensa preocupação das mães com a sobrevivência dos bebês, evidenciada por meio da dedicação exclusiva a eles. Os pais demonstram-se envolvidos com seus filhos, assumindo também a tarefa de proteger as mães. Conclui-se que os sentimentos relativos à parentalidade focalizaram-se na sobrevivência do bebê.

  10. A capacidade do bebê para estar só e o isolamento autista

    Directory of Open Access Journals (Sweden)

    Maria Izabel Tafuri

    Full Text Available O tratamento preventivo das perturbações precoces com o risco de evolução Autista é discutido nesse texto como uma ação paradoxal do ponto de vista psicanalítico. A prevenção implica na perpetuação do pensamento psiquiátrico kraepeliano sobre a evolução obrigatória de um conjunto de sintomas de uma referida doença. Ao mesmo tempo enfatiza-se a necessidade do tratamento precoce de bebês com isolamento patológico.

  11. Haz que tu bebé nazca protegido contra la tosferina (Born with Protection against Whooping Cough)

    Centers for Disease Control (CDC) Podcasts

    2015-04-13

    Este podcast provee información acerca de la tosferina, una enfermedad que puede ser mortal para los bebés, y la recomendación de los CDC de que todas las mujeres reciban la vacuna Tdap durante el tercer trimestre de cada embarazo para que su bebé nazca con protección contra esta grave enfermedad.  Created: 4/13/2015 by National Center for Immunization and Respiratory Diseases (NCIRD), Division of Bacterial Diseases (DBD), Meningitis and Vaccine Preventable Diseases Branch (MVPDB).   Date Released: 4/13/2015.

  12. Mediated effect of ultrasound treated Diclofenac on mussel hemocytes: First evidence for the involvement of respiratory burst enzymes in the induction of DCF-mediated unspecific mode of action.

    Science.gov (United States)

    Toufexi, Eirini; Dailianis, Stefanos; Vlastos, Dimitris; Manariotis, Ioannis D

    2016-06-01

    The present study investigates the toxic behavior of diclofenac (DCF) before and after its ultrasound (US) treatment, as well as the involvement of intracellular target molecules, such as NADPH oxidase and NO synthase, in the DCF-induced adverse effects on hemocytes of mussel Mytilus galloprovincialis. In this context, appropriate volumes (350 and 500mL) of DCF solutions (at concentrations of 2, 2.5, 5 and 10mgL(-1)) were treated under different ultrasound operating conditions (frequency at 582 and 862kHz, electric power density at 133 and 167W) for assessing US method efficiency. In parallel, DCF and US DCF-mediated cytotoxic (in terms of cell viability measured with the use of neutral red uptake/NRU method), oxidative (in terms of superoxide anions/(.)O2(-), nitric oxides such as NO2(-) and lipid peroxidation products, such as malondialdehyde/MDA content) and genotoxic (DNA damage measured by the use of Comet assay method) effects were investigated in hemocytes exposed for 1h to 5, 10 and 100ngL(-1) and 1, 10 and 20μgL(-1) of DCF. The involvement of NADPH oxidase and NO synthase to the DCF-induced toxicity was further investigated by the use of 10μΜ L-NAME, a NO synthase inhibitor and 10μΜ DPI, a NADPH oxidase inhibitor. According to the results, 350mL of 2mgL(-1) DCF showed higher degradation (>50%) under 167W electric power density and frequency at 862kHz for 120min, compared to degradation in all other cases, followed by a significant elimination of its toxicity. Specifically, US DCF-treated hemocytes showed a significant attenuation of DCF-mediated cytotoxic, oxidative and genotoxic effects, which appeared to be caused by NADPH oxidase and NO synthase activation, since their inhibition was followed by a significant elimination of (.)O2(-) and NO2(-) generation and the concomitant oxidative damage within cells. The results of the present study showed for the first time that unspecific mode of action of DCF, associated with the induction of NADPH oxidase

  13. Instrumentos de avaliação do vínculo entre mãe e bebê

    Directory of Open Access Journals (Sweden)

    Jaqueline Galdino Albuquerque Perrelli

    2014-09-01

    Full Text Available Objetivo: Identificar os instrumentos utilizados na avaliação do vínculo entre mãe e bebê com até um ano de vida, descrevê-los e fornecer informações sobre suas medidas de confiabilidade, validade e adaptação para o contexto brasileiro. Fonte de dados: Trata-se de um estudo de revisão integrativa realizado com base nas publicações contidas nas bases de dados PUBMED, LILACS, ScienceDirect, PsycINFO e CINAHL. Utilizaram-se os descritores mother-child relations e mother infant relationship, e as expressões validity, reliability e scale. Selecionaram-se 23 pesquisas, que foram lidas em sua integralidade. Síntese dos dados: Foram identificados 13 instrumentos de avaliação do apego entre mãe e bebê: sete escalas, três questionários, dois inventários e um método de observação. Do total de ferramentas analisadas, o Prenatal Attachment Inventory apresentou maior validade e confiabilidade para analisar a relação entre a mãe e o feto durante a gestação. Quanto ao período puerperal, foram encontrados melhores coeficientes de consistência interna para o Maternal Attachment Inventory e o Postpartum Bonding Questionnaire. Além disso, esse último revelou elevada sensibilidade para identificar disfunções leves e graves nas relações afetivas entre mãe e bebê. Conclusões: Verificou-se que a maioria dos instrumentos é confiável para estudar o fenômeno em questão. Contudo, foram evidenciadas limitações com relação à validade de construto e de critério. Ademais, apenas dois estão traduzidos e adaptados para a população de mulheres e crianças brasileiras, sendo portanto uma lacuna encontrada na produção científica nessa área.

  14. Bebês pré-termo: aleitamento materno e evolução ponderal

    Directory of Open Access Journals (Sweden)

    Anelize Helena Sassá

    2014-07-01

    Full Text Available O objetivo do estudo foi identificar fatores associados à prática do aleitamento materno (AM, ao ganho ponderal e ao estado nutricional de bebês pré-termos durante os seis primeiros meses de vida e verificar correlação entre essas variáveis e características maternas e neonatais. Estudo analítico, tipo coorte, realizado com 42 bebês pré-termos nascidos entre maio e outubro de 2008. A prevalência de AM foi de 40,5% aos seis meses e a média de ganho ponderal variou entre 18 e 40g/dia. A prática de AM esteve associada ao menor peso e à menor idade gestacional de nascimento. O ganho ponderal apresentou correlação positiva com a idade gestacional e o peso ao nascer, a idade materna e a prática do AM aos 15 dias após a alta. Ser prematuro não impediu a prática do AM; entretanto, o ganho ponderal foi maior entre aqueles nascidos com melhores condições de crescimento e maturação intrauterina.

  15. Definitive Chemoradiation Therapy With Docetaxel, Cisplatin, and 5-Fluorouracil (DCF-R) in Advanced Esophageal Cancer: A Phase 2 Trial (KDOG 0501-P2)

    Energy Technology Data Exchange (ETDEWEB)

    Higuchi, Katsuhiko, E-mail: k.higu@kitasato-u.ac.jp [Department of Gastroenterology, Kitasato University East Hospital, Sagamihara, Kanagawa (Japan); Komori, Shouko [Department of Radiology and Radiation Oncology, Kitasato University School of Medicine, Sagamihara, Kanagawa (Japan); Tanabe, Satoshi [Department of Gastroenterology, Kitasato University East Hospital, Sagamihara, Kanagawa (Japan); Katada, Chikatoshi [Department of Gastroenterology, Kitasato University School of Medicine, Sagamihara, Kanagawa (Japan); Azuma, Mizutomo [Department of Gastroenterology, Kitasato University East Hospital, Sagamihara, Kanagawa (Japan); Ishiyama, Hiromichi [Department of Radiology and Radiation Oncology, Kitasato University School of Medicine, Sagamihara, Kanagawa (Japan); Sasaki, Tohru; Ishido, Kenji [Department of Gastroenterology, Kitasato University East Hospital, Sagamihara, Kanagawa (Japan); Katada, Natsuya [Department of Surgery, Kitasato University School of Medicine, Sagamihara, Kanagawa (Japan); Hayakawa, Kazushige [Department of Radiology and Radiation Oncology, Kitasato University School of Medicine, Sagamihara, Kanagawa (Japan); Koizumi, Wasaburo [Department of Gastroenterology, Kitasato University East Hospital, Sagamihara, Kanagawa (Japan)

    2014-07-15

    Purpose: A previous phase 1 study suggested that definitive chemoradiation therapy with docetaxel, cisplatin, and 5-fluorouracil (DCF-R) is tolerable and active in patients with advanced esophageal cancer (AEC). This phase 2 study was designed to confirm the efficacy and toxicity of DCF-R in AEC. Methods and Materials: Patients with previously untreated thoracic AEC who had T4 tumors or M1 lymph node metastasis (M1 LYM), or both, received intravenous infusions of docetaxel (35 mg/m{sup 2}) and cisplatin (40 mg/m{sup 2}) on day 1 and a continuous intravenous infusion of 5-fluorouracil (400 mg/m{sup 2}/day) on days 1 to 5, every 2 weeks, plus concurrent radiation. The total radiation dose was initially 61.2 Gy but was lowered to multiple-field irradiation with 50.4 Gy to decrease esophagitis and late toxicity. Consequently, the number of cycles of DCF administered during radiation therapy was reduced from 4 to 3. The primary endpoint was the clinical complete response (cCR) rate. Results: Characteristics of the 42 subjects were: median age, 62 years; performance status, 0 in 14, 1 in 25, 2 in 3; TNM classification, T4M0 in 20, non-T4M1LYM in 12, T4M1LYM in 10; total scheduled radiation dose: 61.2 Gy in 12, 50.4 Gy in 30. The cCR rate was 52.4% (95% confidence interval [CI]: 37.3%-67.5%) overall, 33.3% in the 61.2-Gy group, and 60.0% in the 50.4-Gy group. The median progression-free survival was 11.1 months, and the median survival was 29.0 months with a survival rate of 43.9% at 3 years. Grade 3 or higher major toxicity consisted of leukopenia (71.4%), neutropenia (57.2%), anemia (16.7%), febrile neutropenia (38.1%), anorexia (31.0%), and esophagitis (28.6%). Conclusions: DCF-R frequently caused myelosuppression and esophagitis but was highly active and suggested to be a promising regimen in AEC. On the basis of efficacy and safety, a radiation dose of 50.4 Gy is recommended for further studies of DCF-R.

  16. Protocolo de avaliação do frênulo da língua em bebês Tongue frenulum evaluation protocol in babies

    Directory of Open Access Journals (Sweden)

    Roberta Lopes de Castro Martinelli

    2012-02-01

    Full Text Available OBJETIVO: apresentar uma proposta de protocolo de avaliação do frênulo da língua em bebês com escores. MÉTODO: inicialmente foi realizada uma revisão da literatura relacionada, consultando as bases de dados Web of Science, Pubmed, Embase, All Evidence-Based Medicine Reviews e Scielo, bem como livros textos das áreas de anatomia, odontopediatria e fonoaudiologia. Todos os aspectos julgados relevantes nos trabalhos encontrados foram incluídos na versão inicial, que foi submetida à avaliação de três fonoaudiólogas especialistas em motricidade orofacial, sendo obtida a versão consenso, que foi aplicada em 10 bebês nascidos a termo buscando verificar a exequibilidade do instrumento. RESULTADOS: com base na literatura consultada e no estudo piloto, foi elaborado o protocolo de avaliação do frênulo da língua em bebês. A primeira parte é composta por história clínica contendo questões gerais de identificação e questões específicas sobre antecedentes familiais e amamentação. A segunda parte é composta pelo exame clínico, constituído de avaliação anatomofuncional e avaliação das funções orofaciais. CONCLUSÕES: o protocolo de avaliação do frênulo da língua em bebês foi desenvolvido a partir de uma proposta teórica e depende de sua aplicabilidade para se configurar como um teste validado. Espera-se que o mesmo possa auxiliar os profissionais da saúde a avaliar e diagnosticar as variações anatômicas do frênulo e sua possível interferência na amamentação, norteando condutas eficazes e promovendo uma prática baseada em evidências. A segunda fase deste trabalho deve compreender a pesquisa experimental e a análise estatística dos dados.PURPOSE: to present a protocol proposal to evaluate the lingual frenum in babies with scores. METHOD: initially was performed a review of the literature, referring to the databases Web of Science, Pubmed, Embase, All Evidence-Based Medicine Reviews and Scielo as well as

  17. Desenvolvimento motor e cognitivo de bebês de mães adolescentes e adultas: estudo longitudinal

    Directory of Open Access Journals (Sweden)

    Luana Silva de Borba

    2015-07-01

    Full Text Available DOI: http://dx.doi.org/10.5007/1980-0037.2015v17n4p438   Este estudo teve como objetivos investigar em bebês de mães adolescentes e adultas: (1 os fatores de risco para o desenvolvimento infantil; (2 as mudanças cognitivas e motoras ao longo de quatro meses, (3 as correlações entre o desenvolvimento motor e cognitivo ao longo de quatro meses. Estudo longitudinal com 40 bebês, 20 nascidos de mães adolescentes e 20 de mães adultas, provenientes dos municípios de Porto Alegre e Butiá, no Rio Grande do Sul, Brasil. Foram realizadas três avaliações do desenvolvimento motor e cognitivo, utilizando a Alberta Motor Infant Scale (AIMS e Bayley Scale of Infant Development II. Na postura supina da AIMS, observou-se diferença significativa entre os grupos na terceira avaliação. Os bebês das mães adolescentes apresentaram escores mais baixos em relação aos bebês de mães adultas. Os escores motores de cada postura da AIMS e o escore total AIMS apresentaram diferença significativa ao longo do tempo em geral e em cada grupo. O escore mental bruto da Bayley-II também apresentou diferença significativa ao longo do tempo em geral e em cada grupo. Observou-se associação positiva, forte e significativa entre os escores totais da AIMS e Bayley em todos os três momentos de avaliação no grupo de bebês de mães adolescentes e adultas. Pode-se concluir que bebês de mães adolescentes apresentaram-se piores na postura supina em relação aos bebês de mães adultas. Os desenvolvimentos motor e cognitivo se associaram significativamente em ambos os grupos ao longo do tempo.

  18. Marés, fases principais da lua e bebês

    OpenAIRE

    Silveira, Fernando Lang da

    2003-01-01

    Os mecanismos responsáveis pelas marés são discutidos, utilizando-se uma matemática acessível a alunos de ensino médio; demonstra-se que tanto a Lua, quanto o Sol são responsáveis pelos efeitos de maré nos oceanos. Apesar da força gravitacional do Sol na Terra ser aproximadamente 200 vezes maior do que a da Lua, os efeitos solares de maré são aproximadamente 2 vezes menores do que os lunares. Uma crença popular muito difundida afirma que o número de nascimentos de bebês está correlacionado co...

  19. Maturação funcional da retina em bebês prematuros

    Directory of Open Access Journals (Sweden)

    Adriana Berezovsky

    2007-06-01

    Full Text Available A retina humana ainda não está totalmente desenvolvida no nascimento. Só após o nascimento é que ocorrem mudanças anatômicas como o aumento na densidade de cones centrais e o alongamento do segmento externo dos fotorreceptores. As mudanças funcionais que ocorrem na retina com a maturação no primeiro ano de vida podem ser avaliadas pela técnica do eletrorretinograma de campo total, que representa a atividade somada da retina distal em resposta à luz. Abordaremos aspectos da maturação funcional da retina avaliada pelo eletrorretinograma em bebês prematuros.

  20. Materiais potencializadores e os bebês-potência : possibilidades de experiências sensoriais e sensíveis no contexto de um berçário

    OpenAIRE

    Elisete Mallmann

    2015-01-01

    A presente Dissertação de Mestrado investiga os modos como um grupo de bebês de sete a vinte e seis meses de idade, de um berçário de uma escola Pública de Educação Infantil no interior do Rio Grande do Sul, se relaciona com diferentes materiais, denominados nesta pesquisa como Materiais Potencializadores. Tais materiais foram organizados à base de produtos naturais e/ou de alimentos, bem como daquilo que é descartado. Em virtude da diversidade de formatos, texturas, cores, cheiros e sabores,...

  1. DCF(Registered)-A JAUS and TENA Compliant Agent-Based Framework for Test and Evaluation of Unmanned Vehicles

    Science.gov (United States)

    2011-03-01

    functions of the vignette editor include visualizing the state of the UAS team, creating T&E scenarios, monitoring the UAS team performance, and...These behaviors are then executed by the robot sequentially (Figure 2). A state machine mission editor allows mission builders to use behaviors from the...include control, robotics, distributed applications, multimedia applications, databases, design patterns, and software engineering. Mr. Lenzi is the

  2. De Ana-e-seu-bebê à Ana: um percurso clínico com Winnicott

    OpenAIRE

    Pinheiro, Nadja Nara Barbosa

    2013-01-01

    Segundo Winnicott, o nascimento de um bebê desencadeia em sua mãe um adoecimento/saudável que permite que esta exerça suas funções fundando condições facilitadoras ao desenvolvimento de seu filho. No caso clínico apresentado, um impasse nessa relação primordial precipitou a entrada em análise e ambos compareciam às sessões apresentando respostas à situação instaurada a partir de planos defensivos diferenciados: o adoecimento físico (bebê) e a fuga à intelectualidade (mãe). Apresentam-se algun...

  3. Significados atribuídos por puérperas adolescentes à maternidade: autocuidado e cuidado como bebê

    Directory of Open Access Journals (Sweden)

    Luciane Amorim da Silva

    2009-01-01

    Full Text Available Los objetivos del estudio fueron: identificar los significados atribuidos por las madres adolescentes al cuidado del bebé y de sí mismas; e identificar lo que reconocen como dificultad en el puerperio y en el cuidado del bebé. Es un estudio cualitativo desarrollado de Enero a Marzo de 2005, en una maternidad que atiende a usuarias del Sistema Único de Salud. Participaron 22 puérperas adolescentes y primíparas. Los datos fueron recolectados por entrevistas parcialmente estructuradas, grabadas, con posterior análisis del contenido de tipo temático. La maternidad es vista como un cambio psicológico, social y físico, y el cuidar del bebé es como un deber a ser ejecutado, como prioridad en relación al cuidado de sí. La falta de experiencia, información y la situación financiera fueron señaladas como las principales dificultades para el cuidado del niño, siendo la familia el apoyo. La sociedad subestima la capacidad de la adolescente para cuidar del hijo, debiendo crear estrategias para el desarrollo de autonomía para que la adolescente asuma las responsabilidades maternas.

  4. Expressão da capacidade de empatia em bebês de 8 e 18 semanas

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    Kornilia Hatzinikolaou

    2006-04-01

    Full Text Available Este estudo investigou o padrão temporal e expressivo da capacidade de empatia em bebês de 8 e 18 semanas no contexto de interações face-face entre 90 duplas de mãe-bebê. As interações foram analisadas em tempo real e através de micro-análise. Alguns comportamentos infantis apresentaram maior probabilidade de fazerem parte do padrão expressivo da empatia do que outros. Ainda, o padrão expressivo se manifestou diferente em instâncias de empatia com emoções negativas e instâncias de empatia com emoções positivas comunicadas pela mãe. Em relação ao padrão temporal, observou-se que a manifestação da capacidade de empatia ocorreu dentro de um intervalo de tempo igual de ½ segundo antes e 1 segundo depois da mudança emocional da mãe. Os resultados indicam a necessidade de reavaliação das proposições tradicionais sobre as capacidades comunicativas precoces de bebês, e sugerem uma coerência entre os achados e as proposições teóricas contemporâneas na área da Psicologia Infantil.

  5. ¿Bebés en las escuelas? Infancias hiperescolarizadas en una cultura prefigurativa

    Directory of Open Access Journals (Sweden)

    Mariano Narodowski

    2017-01-01

    Full Text Available Desde hace más de una década, se observa en la Ciudad de Buenos Aires un notorio crecimiento de la población de niños y niñas de edades entre 0 a 3 años, con escolarización. En este estudio aportamos evidencia estadística corroborando un relevante incremento de las vacantes disponibles, la privatización de la matrícula y la persistencia de una elevada demanda insatisfecha. Proponemos un andamiaje conceptual para contribuir a responder una pregunta central: ¿cuáles son los cambios culturales y demográficos que están implícitos en el reclamo por más bebés con escolarización? Centramos el estudio en este proceso como emergente de un cambio de época, con nuevas concepciones de infancia y adultez. Por medio del concepto cultura prefigurativa, de Margaret Mead, arriesgamos algunas hipótesis sobre el deterioro del valor del sacrificio adulto‒ paterno.

  6. Gerencia sin futuro. Caso, subsector de confecciones para ropa de bebé en Cali

    Directory of Open Access Journals (Sweden)

    Álvaro Camacho Caicedo

    2005-01-01

    Full Text Available El nivel de desarrollo de las habilidades conceptuales, sociales y técnicas de un gerente determinan indiscutiblemente el grado de desarrollo y crecimiento que muestra la empresa que él está dirigiendo. Esta relación se hace más evidente en el campo de las pequeñas empresas. La competitividad de éstas en términos de su velocidad de cambio en cuanto a innovación tecnológica, incursión en nuevos mercados y desarrollo de su personal directivo está en función directa de los valores, visión y diseño de estrategias de sus gerentes. El artículo muestra la relación y contraste existente entre el campo teórico de la denominada gerencia competitiva y la evaluación del desempeño de 20 gerentes caleños ¿ 87% del universo - de pequeñas empresas del subsector de las confecciones para ropa de bebé.

  7. As representações maternas acerca do bebê que nasce com doenças orgânicas graves

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    Ethel Cukierkorn Battikha

    Full Text Available O nascimento de um bebê com doenças orgânicas graves tem profundas implicações na constituição do vínculo inicial mãe-bebê. O objetivo desta pesquisa é a investigação das representações psíquicas maternas acerca desse nascimento. Este estudo qualitativo está fundamentado no campo teórico-psicanalítico. Foram realizadas entrevistas semi-estruturadas, individuais, com 11 mães no período de internação do bebê na Unidade de Terapia Intensiva Neonatal. Os dados obtidos foram submetidos ao método de análise de conteúdo e revelaram que o nascimento do bebê com alterações orgânicas afeta a função materna já que desorganiza as representações que eram antes dirigidas ao bebê sadio imaginado, marcando uma tendência recorrente à equivalência desse bebê ao diagnóstico de sua doença. Este nascimento implica, portanto, o luto pelo filho desejado e o decréscimo da auto-estima materna. A participação nas entrevistas teve efeitos terapêuticos, sugerindo a necessidade de uma escuta analítica dessas mães durante o período de permanência do bebê na instituição hospitalar.

  8. Diseñado para bebés. Objetos y prácticas en el primer año de vida

    Directory of Open Access Journals (Sweden)

    Pablo de Grande

    2016-01-01

    Full Text Available En este artículo se presentan resultados de investigación sobre la vida cotidiana de bebés en la Ciudad de Buenos Aires. En el mismo se proponen como objetivos (1 rastrear el mundo de prácticas y objetos ligados a la crianza y cuidado de bebés; (2 evaluar la prevalencia del uso de objetos diseñados para bebés por oposición a la elección de objetos de uso general; (3 identificar los sentidos, razones y formas de legitimación de las prácticas y objetos utilizados y (4 analizar efectos no previstos asociados a los mismos. La información utilizada consiste en 14 entrevistas realizadas en hogares con bebés de 7 a 12 meses. Como principales resultados se destacan una presencia amplia de objetos específicos, niveles heterogéneos de adopción de los mismos, fuerte vinculación entre el éxito de los objetos diseñados y su capacidad de habilitar a los padres a realizar actividades en simultáneo al cuidado del bebé.

  9. Rede de significações: perspectiva para análise da inserção de bebês na creche The insertion of babies into a day care center analysed through a network of meanings

    Directory of Open Access Journals (Sweden)

    Katia de Souza Amorim

    2000-03-01

    Full Text Available A inserção de bebês em creche envolve familiares, crianças e educadoras em um complexo processo de integração, particularmente em nossa cultura, em que a educação coletiva de bebês é fenômeno recente. As representações sociais e a literatura científica reforçam a noção de que idealmente bebês devem ser cuidados em casa, pela mãe. Assim, freqüentemente, essa se sente culpada por ter que compartilhar os cuidados do(s filho(s. O período inicial do bebê em uma creche, portanto, implica a emergência de novos significados que são atribuídos e assumidos, confrontados e negociados nas interações estabelecidas pelos participantes. Uma perspectiva teórico-metodológica foi desenvolvida para analisar esse processo, baseado em um projeto de pesquisa que acompanhou a inserção de 26 bebês (5-18 meses de idade em uma creche. Registrou-se a situação a partir de gravações em vídeo, fichas de observação e entrevistas. A perspectiva referida destaca três personagens centrais: mãe, criança e educadora, em seus mútuos relacionamentos, os quais criam vários campos interconectados. O campo mãe-criança está inserido, principalmente, no cenário da família. Os outros dois, educadora-criança e mãe-educadora, no cenário da creche. Ambos os cenários estão impregnados por uma matriz socioistórica ampla, criada por complexo sistema cultural, econômico e político. Os vários elementos formam uma rede de significações semióticas, que continuamente se transforma e estrutura/desestrutura o desenvolvimento humano.The insertion of babies in a day care involves family members, child and caregivers in a complex integration process, as in our culture, collective education is a recent phenomenon. Social representations and scientific literature reinforce the notion that, by nature, babies require personal care at home, by their own mother. Consequently, she often feels guilty for leaving her baby in an institution. The baby

  10. Voz cantada e a constituição da relação mãe-bebê

    OpenAIRE

    Mello,Enio Lopes; Maia,Suzana Magalhães; Andrada e Silva,Marta Assumpção de

    2009-01-01

    TEMA: refletir sobre uma faceta da constituição da relação mãe-bebê, que se fez presente no uso criativo da voz cantada da mãe, na comunicação com o seu bebê. PROCEDIMENTOS: o único sujeito desse estudo é uma mãe, que se submeteu a oito sessões de terapias corporais associadas à emissão da voz cantada, sempre dirigidas ao bebê; as sessões transcorreram com a possibilidade de expressão livre pela fala e gesto da mãe e a escuta do terapeuta. RESULTADOS: o quadro que a mãe apresentava em relação...

  11. Depresión materna perinatal y vínculo madre-bebé: consideraciones clínicas

    OpenAIRE

    Marcia Paola Olhaberry Huber; Macarena Romero Jiménez; Ángela Miranda Largo

    2015-01-01

    La alta frecuencia de los trastornos depresivos en el mundo y las altas tasas reportadas durante el pre y postparto, alertan sobre la necesidad de profundizar en la comprensión de la depresión materna perinatal y sus repercusiones psicológicas en la madre y el niño/a. Se describen y analizan sus características, los factores protectores y de riesgo, los principales efectos en el vínculo madre-bebé, el desarrollo infantil y la identidad materna a partir de una revisión de la literatura existen...

  12. Jet Propellant (JP)-8 Fuel Evaluation Test Mk II - Reset (Mk II R) Bridge Erection Boat (BEB)

    Science.gov (United States)

    2008-10-01

    diesel engines (fig. 2 and 3) equipped with Delphi rotary fuel injection pumps. Figure 1. Mk II R BEB pushing a two-bay IRB raft. TR No. WF-E-83 2... nozzles . The new pump (serial No. 08813K7B) and gasket were installed. 24 May 07 51.0 50.4 44.9 103 Port Fuel Pump and Injectors Replaced. At the...part No. 3909356) were installed on the injector nozzles . The new pump (serial No. 59640HZB) and gasket were installed. 31 May 07 51.5 50.5 44.9 104

  13. Contexto dos berçários e um programa de intervenção no desenvolvimento de bebés

    Directory of Open Access Journals (Sweden)

    Carla Skilhan Almeida

    2013-12-01

    Full Text Available O objetivo deste estudo foi investigar o contexto de berçários que atendesse a famílias de baixa renda e verificar o impacto de uma intervenção cognitivo-motora no desenvolvimento de bebés quanto à motricidade ampla, motricidade fina, linguagem e interação. Participaram do estudo 40 bebés, entre seis e oito meses, provenientes de dez berçários para famílias de baixa renda. As escolas foram agrupadas quanto à qualidade dos cuidados oferecidos; os bebés foram estratificados por gênero e aleatoriamente distribuídos em grupos interventivo (n= 20 e controle (n= 20. Foi utilizada uma ficha de observação para verificar a rotina dos berçários. A motricidade ampla e fina, a linguagem e a interação dos bebés foram avaliadas no pré e no pós intervenção. O programa de intervenção propiciou experiências de perseguição visual, manipulação de brinquedos e controle postural. Observaram-se restrições no espaço físico e nas oportunidades para brincar e interagir. Educadores centravam sua atenção no cuidado com higiene e alimentação dos bebés. Bebés provenientes de escolas com contextos mais apropriadas ao desenvolvimento apresentaram desempenhos superiores; e, a intervenção repercutiu positivamente no desenvolvimento global dos participantes. Em conclusão, ações educativas e estratégias interventivas devem ser implementadas nas creches, priorizando o processo de desenvol­vimento infantil.

  14. A Unifying Theory of Value Based Management

    OpenAIRE

    Weaver, Samuel C.; Weston, J. Fred

    2003-01-01

    We identify four alternative performance metrics used in value based management (VBM). (1) Basic is an intrinsic value analysis (IVA), the discounted cash flow (DCF) methodology. (2) We show that this framework will be consistent with returns to shareholder (RTS, capital gains plus dividends) measured over appropriate time horizons. (3) Economic profit (EP) [also called economic value added (EVA®)] takes from the DCF free cash flow valuation, net operating profits after taxes (NOPAT), divide...

  15. Robust object tacking based on self-adaptive search area

    Science.gov (United States)

    Dong, Taihang; Zhong, Sheng

    2018-02-01

    Discriminative correlation filter (DCF) based trackers have recently achieved excellent performance with great computational efficiency. However, DCF based trackers suffer boundary effects, which result in the unstable performance in challenging situations exhibiting fast motion. In this paper, we propose a novel method to mitigate this side-effect in DCF based trackers. We change the search area according to the prediction of target motion. When the object moves fast, broad search area could alleviate boundary effects and reserve the probability of locating object. When the object moves slowly, narrow search area could prevent effect of useless background information and improve computational efficiency to attain real-time performance. This strategy can impressively soothe boundary effects in situations exhibiting fast motion and motion blur, and it can be used in almost all DCF based trackers. The experiments on OTB benchmark show that the proposed framework improves the performance compared with the baseline trackers.

  16. El significado de las actividades acuáticas del bebé desde una perspectiva evolutiva

    Directory of Open Access Journals (Sweden)

    Gil Pla Campàs

    2007-12-01

    Full Text Available Este artículo pretende profundizar desde una perspectiva evolutiva en el estudio y análisis de las actividades acuáticas del bebé. A partir de aquí, el artículo interpreta desde la óptica filogenética y ontogenética de las actividades acuáticas de los be¬bés qué significado tendrán estas actividades en su desarrollo general. Para alcanzar los objetivos fijados se utiliza un enfoque fenomenológico (Husserl, 1996 que se sustentará conceptualmente en el abordaje filogenético del desarrollo psicomotor de Fonseca (1998. Partiendo de esta estructura, se estudiarán las razones filogenéticas y ontogenéticas que nos pueden significar las actividades acuáticas del bebé a fin de que, en última instancia, y desde la línea más existencial de la fenomenología (Sartre, 1999; Merleau-Ponty, 2000, podamos argumentar la significación evolutiva de estas actividades.

  17. "Mi Bebé y Yo": A Primary Care Group for Latina/o Infants and Their Spanish-Speaking Caregivers

    Science.gov (United States)

    Margolis, Kate L.; Dunn, Dena M.; Herbst, Rachel Becker; Bunik, Maya; Buchholz, Melissa; Martinez, Dailyn; Talmi, Ayelet

    2015-01-01

    Culturally informed health interventions for linguistic minorities are crucial in promoting optimal child development. "Mi Bebé y Yo" is a primary care group for Spanish-speaking, Latina/o caregivers and their babies during their first year. Group visits occur in conjunction with well-baby checks and are designed to support families with…

  18. Odontología para bebés: una posibilidad práctica de promoción de salud bucal

    Directory of Open Access Journals (Sweden)

    Marina Moscardini Vilela

    2017-07-01

    Full Text Available Objetivo. Revisar la literatura sobre la filosofía en Odontología para Bebés. Síntesis de datos. A pesar de que la promoción de la salud es muy practicada en todas las áreas de la salud, la odontología se caracteriza por restar importancia a la prevención de enfermedades bucales y a los tratamientos preventivos, cuando estos son realizados, ya los dientes deciduos se encuentran altamente comprometidos por la caries dental. Los resultados alcanzados a través de la enseñanza de tratamiento odontológico a bebés, en diferentes partes del mundo, tienen un futuro promisorio, ya que enfatiza las particularidades de su crecimiento y desarrollo infantil, considera al bebé como un todo, y no solamente desde el punto de vista de salud bucal. Conclusiones. La buena práctica de la odontología para bebés brinda la posibilidad de fomentar la salud y prevenir la enfermedad, de una forma muy simple, eficaz y de bajo costo.

  19. Intraesophageal administratio (JP4-039) and p53/MDM2/MDM4 Inhibitor (BEB55) ameliorates radiation esophagitisn of GS-Nitroxide

    NARCIS (Netherlands)

    Kim, H.; Bernard, M.; Epperly, M.W.; Shen, H.; Dixon, T.M.; Amoscato, A.A.; Doemling, A.S.; Li, S.; Gao, X.; Wipf, P.

    2011-01-01

    Purpose/Objective(s): To evaluate the esophageal radiation dose modification properties of the GS-nitroxide (JP4-039) and the p53/MDM2/MDM4 inhibitor (BEB55). Materials/Methods: Esophagitis is a significant toxicity of radiation therapy of thoracic cancers. We evaluated radiation dose modification

  20. Fatores associados à não adaptação do bebê na creche: da gestação ao ingresso na instituição

    Directory of Open Access Journals (Sweden)

    Gabriela Dal Forno Martins

    Full Text Available Buscou-se identificar fatores associados à não adaptação do bebê na creche, tais como, temperamento do bebê, relações pais-bebê e crenças e práticas ligadas aos cuidados alternativos. Participaram quatro famílias, cujos bebês entraram na creche entre 10 e 12 meses de idade e foram retirados por não adaptação segundo avaliação dos pais. Realizou-se entrevistas na gestação, 3, 8 e 12 meses do bebê. Análise de conteúdo qualitativa revelou que os fatores mais relevantes na compreensão da não adaptação relacionaram-se à dinâmica da interação pais-bebê, a saber: sentimentos ligados à separação e forma com que os pais vivenciaram o ingresso na creche. Os resultados sugerem a importância de ações que promovam acolhimento à situação de separação pais-bebê na transição para a creche.

  1. Desenvolvimento de bebês prematuros relacionado a variáveis neonatais e maternas Desarrollo de bebés prematuros relacionado a variables neonatales y maternas Development of preterm infants related to neonatal and maternal variables

    Directory of Open Access Journals (Sweden)

    Daniele Abruzzi de Fraga

    2008-06-01

    Full Text Available O estudo verificou a relação entre ansiedade materna, características neonatais e indicadores de desenvolvimento de crianças nascidas pré-termo aos 12 meses de idade cronológica corrigida. Foram avaliadas 14 crianças com as Escalas Bayley-II e suas mães com o Inventário de Ansiedade Traço-Estado. Os itens relativos à resolução de problemas, permanência do objeto, intencionalidade, linguagem e motricidade correlacionaram-se significativamente com variáveis neonatais do bebê e ansiedade materna. A maior gravidade de risco clínico neonatal associou-se com pior desempenho em itens relativos à permanência do objeto, linguagem e motricidade ampla. O nível de ansiedade materna mais elevado associou-se com melhor desempenho dos bebês em tarefas cognitivas e pior em tarefas de motricidade ampla e permanência do objeto. Dessa forma a ansiedade materna mostrou ter efeito diferencial em áreas do desenvolvimento da criança, podendo atuar como fator de risco ao desenvolvimento motor amplo e como mecanismo de proteção ao desenvolvimento cognitivo.El estudio verificó la relación entre ansiedad materna, características neonatales e indicadores de desarrollo de niños nacidos pré termo a los 12 meses de edad cronológica corregida. Fueron evaluados 14 niños con las Escalas Bayley-II y sus madres con el Inventario de Ansiedad Trazo-Estado. Los ítenes relativos a la resolución de problemas, permanencia del objeto, intencionalidad, lenguaje y motricidad se correlacionaron significativamente con variables neonatales del bebé y ansiedad materna. La mayor gravedad de riesgo clínico neonatal se asoció con peor desempeño en ítenes relativos a la permanencia del objeto, lenguaje y motricidad amplia. El nivel de ansiedad materna más elevado se asoció con mejor desempeño de los bebés en tareas cognitivas y peor en tareas de motricidad amplia y permanencia del objeto. De esa forma la ansiedad materna mostró tener efecto diferencial

  2. Bebê de risco: acompanhando o crescimento infantil no primeiro ano de vida Bebé de riesgo: acompañando el crecimiento infantil en el primer año de vida At-risk infants: monitoring children's growth in the first year of life

    Directory of Open Access Journals (Sweden)

    Anelize Helena Sassá

    2011-01-01

    Full Text Available OBJETIVO: Acompanhar o crescimento de bebês de risco no primeiro ano de vida. MÉTODOS: Estudo analítico, do tipo coorte, realizado com 237 bebês nascidos em Maringá - PR, entre 1º de maio a 31 de outubro de 2008, incluídOs no Programa de Vigilância do Bebê de Risco. RESULTADOS: As alterações de crescimento estiveram presentes em 188 (79,3% bebês e ocorreram sobretudo, após o 1º trimestre de vida. A velocidade de crescimento abaixo da esperada apresentou associação estatística com idade materna menor que 18 anos, tempo de estudo inferior a 8 anos, presença de anomalia congênita, peso ao nascer maior ou igual a 2.500g e nascimento a termo. CONCLUSÃO: A avaliação do crescimento dos bebês de risco deve abarcar uma análise multidimensional, considerando os aspectos biológicos e maturacionais específicos a cada condição de risco e a adaptação do bebê e de sua família nesse percurso evolutivo.OBJETIVO: Acompañar el crecimiento de bebés de riesgo en el primer año de vida. MÉTODOS: Se trata de un estudio analítico, de tipo cohorte, realizado con 237 bebés nacidos en Maringá - PR, entre el 1º de mayo al 31 de octubre del 2008, incluídos en el Programa de Vigilancia del Bebé de Riesgo. RESULTADOS: Las alteraciones de crecimiento estuvieron presentes en 188 (79,3% bebés y ocurrieron sobre todo, después del 1º trimestre de vida. La velocidad de crecimiento debajo de la esperada presentó asociación estadística con edad materna menor de 18 años, tiempo de estudio inferior a 8 años, presencia de anomalía congénita, peso al nacer mayor o igual a 2.500 gr. y nacimiento a término. CONCLUSIÓN: La evaluación del crecimiento de los bebés de riesgo debe abarcar un análisis multidimensional, considerando los aspectos biológicos y de madurez específicos a cada condición de riesgo y la adaptación del bebé y su familia en ese recorrido evolutivo.OBJECTIVE: To monitor the growth of high-risk babies in the first

  3. Cuidados com os bebês: o conhecimento das primíparas adolescentes Cuidados con los bebés: el conocimiento de las primíparas adolescentes The care with babies: the knowledge of the teenagers primiparas

    Directory of Open Access Journals (Sweden)

    Dayane Cristina de Sousa Rocha

    2005-12-01

    Full Text Available O bem-estar dos bebês nascidos de mães adolescentes foi o incentivo para a realização desta pesquisa que objetivou investigar se as gestantes adolescentes primíparas estão recebendo orientações acerca do cuidado com seus bebês. Estudo descritivo, com abordagem quantitativa, no qual se utilizou como técnica para a coleta de dados a entrevista estruturada, nos meses de setembro e outubro de 2004. Teve como cenário o Alojamento Conjunto de uma maternidade na cidade de Fortaleza, considerada de referência terciária no Estado do Ceará. A amostra ficou constituída de 30 adolescentes primíparas, com idade entre 13 e 19 anos, baixo grau de escolaridade e evasão escolar; baixa renda familiar; união estável e que não realizaram o número de consultas de pré-natal preconizadas pelo Ministério da Saúde. Teve-se como resultado o baixo déficit de orientação das primíparas adolescentes acerca de como cuidar do bebê, que esperam contar com a ajuda dos pais e familiares. Constatou-se ainda que, apesar de realizarem o pré-natal, faltou interesse em participar das palestras oferecidas.El bienestar de los bebés nacidos de madres adolescentes fue el incentivo para la realización de esta investigación que objetivó investigar si las embarazadas adolescentes primíparas están recibiendo orientaciones acerca del cuidado con sus bebés. Estudio descriptivo, con abordaje cuantitativo, en lo cual se utilizó como técnica para la colecta de datos la entrevista estructurada, en los meses de septiembre y octubre de 2004. Tuvo como escenario el Alojamiento Conjunto de una maternidad en la ciudad de Fortaleza, considerada de referencia terciaria en el Estado de Ceará - Brasil. La muestra se quedó constituida de 30 adolescentes primíparas, con edad entre 13 y 19 años, bajo grado de escolaridad y evasión escolar; baja renta familiar; unión estable y que no realizaron el número de consultas de prenatal preconizadas por el Ministerio de la

  4. Apego materno-fetal e a percepção materna acerca da capacidade interativa do bebê no primeiro mês = Maternal-fetal attachment and maternal perception about infant interactive skills in the first month = Apego materno-fetal y la percepción materna sobre la capacidad interactiva del bebé en el primer mes

    Directory of Open Access Journals (Sweden)

    Alvarenga, Patrícia

    2015-01-01

    Full Text Available A percepção da mãe acerca das capacidades interativas do recém-nascido tem sido apontada como um fator crucial para o estabelecimento de padrões interativos de qualidade entre a díade mãe-filho. O objetivo deste estudo foi examinar as relações entre o apego materno-fetal e a percepção da mãe acerca das capacidades interativas do bebê. Participaram do estudo 64 mães de bebês do sexo masculino, que responderam a Escala de Apego Materno-fetal, no terceiro trimestre da gestação, e uma entrevista sobre a experiência da maternidade, no primeiro mês do bebê. Houve uma correlação positiva entre o apego materno-fetal e a percepção geral das capacidades interativas do bebê (r=0,23; p<0,05. A análise de regressão confirmou que a escolaridade materna e o apego materno-fetal explicaram 12% da variância na percepção da mãe acerca das capacidades interativas dos bebês. Discute-se a relevância da relação da mãe com o feto durante a gestação para a interação mãe-bebê no período pós-natal

  5. Modelo Multi-Agente para evitar el olvido de bebés dentro de los automóviles

    Directory of Open Access Journals (Sweden)

    Fabiola Salas Diaz

    2016-12-01

    Full Text Available La estadística de muertes por hipertermia asociadas a vehículos registra una media de 37 menores por año desde 1998 en los Estados Unidos. Se han establecido diversos motivos por los que sucedieron estos hechos, siendo el más frecuente el olvido no intencional del menor por parte del responsable. Con el fin de prevenir los lapsos de memoria se busca aprovechar los recursos tecnológicos existentes para ofrecer una solución a esta problemática. Este trabajo presenta un modelo Multi-agente enfocado en prevenir el olvido de un bebé en un automóvil utilizando el modelo de organización de la metodología INGENIAS.

  6. Psicoterapia breve pais-bebê: revisando a literatura Short-term parent-infant psychotherapy: a review of the literature

    Directory of Open Access Journals (Sweden)

    Luiz Carlos Prado

    2009-01-01

    Full Text Available Este artigo apresenta uma revisão da literatura a respeito da psicoterapia breve pais-bebê. Inicialmente são apresentados aspectos históricos, desde o surgimento da psicoterapia breve, passando pelas formulações teóricas que enfatizaram a importância das relações iniciais pais-bebê até a constituição do campo da psicoterapia breve pais-bebê propriamente dita. Constata-se que várias abordagens compõem o panorama atual das psicoterapias pais-bebê, as quais apresentam uma ampla diversidade de referenciais teóricos e técnicos. Foram também revisados, em particular, estudos empíricos sobre a utilização dessa abordagem no contexto da depressão materna. Por fim, apresentam-se os procedimentos utilizados pelos autores deste artigo em uma pesquisa em andamento envolvendo o atendimento psicoterápico breve pais-bebê em famílias com mães deprimidas. Essa abordagem tem se mostrado efetiva na promoção de um melhor relacionamento mãe-pai-bebê na presença sintomas depressivos da mãe.This article presents a review of the literature on short-term parent-infant psychotherapy. Initially, some historical aspects are presented since the emergence of short-term psychotherapy, including the theoretical formulations that highlighted the importance of early parent-infant relationships and helped to implement the field of short-term parent-infant psychotherapy. There are several approaches to parent-infant psychotherapy, representing a broad diversity of theoretical and technical frameworks. Empirical studies were also reviewed, especially those using parent-infant psychotherapy in the context of maternal depression. Finally, the authors' experience with short-term parent-infant psychotherapy involving families with depressive mothers was presented. This approach has shown to be effective in the promotion of better mother-father-infant relationship in the presence of maternal depressive symptoms.

  7. Obesidad infantil: la prevención comienza al amamantar a los bebés (Childhood Obesity – Prevention Begins with Breastfeeding)

    Centers for Disease Control (CDC) Podcasts

    2011-08-02

    Este podcast se basa en la edición de agosto del informe de los CDC Vital Signs del 2011. La obesidad infantil es una epidemia en los Estados Unidos y la lactancia materna puede ayudar a prevenirla. Sin embargo, una de cada tres madres deja de amamantar a su bebé si no cuenta con la guía y apoyo del hospital. Cerca del 95% de los hospitales carece de políticas que brinden apoyo total a la lactancia materna. Dichas instituciones deben esforzarse más para ayudar a que las madres empiecen a amamantar a sus bebés y continúen haciéndolo.  Created: 8/2/2011 by Centers for Disease Control and Prevention (CDC).   Date Released: 8/2/2011.

  8. Percepção de mães sobre o cuidado domiciliar prestado ao bebê nascido com baixo peso

    Directory of Open Access Journals (Sweden)

    Elieth Lessa Fonseca

    2011-02-01

    Full Text Available O objetivo do estudo foi identificar as dificuldades percebidas pelas mães no cuidado aos bebês de baixo peso e conhecer os recursos utilizados diante das intercorrências na saúde. Estudo de natureza qualitativa, desenvolvido junto a seis mães residentes em Maringá, PR, Brasil. Os dados foram coletados no período de fevereiro a setembro de 2008, em quatro visitas domiciliares, por meio de entrevista semi-estruturada. As mães vivenciaram dificuldades relacionadas aos profissionais e serviços de saúde, características do bebê, condições financeiras, alterações na rotina familiar e retorno ao trabalho. No enfrentamento das intercorrências, utilizaram recursos próprios ou atendimento médico. Concluiu-se que a mãe e a família necessitam de acompanhamento e apoio profissional para melhor cuidar do bebê de baixo peso no domicílio

  9. O impacto de uma psicoterapia breve pais-bebê para as representações acerca da maternidade no contexto da depressão

    Directory of Open Access Journals (Sweden)

    Schwengber, Daniela Delias de Sousa

    2009-01-01

    Full Text Available O presente estudo investigou as mudanças nas representações acerca da maternidade em uma mãe com indicadores de depressão ao longo de uma psicoterapia breve pais-bebê. Foi utilizado um delineamento de estudo de caso único, sendo que as representações maternas foram examinadas em três momentos: antes, durante e após a psicoterapia. Os relatos foram analisados a partir de quatro eixos interpretativos que constituem a constelação da maternidade de Stern (1997 vida-crescimento; relacionar-se primário; matriz de apoio; e reorganização da identidade. Os resultados revelaram que as mudanças nas representações da mãe acerca do relacionamento com a sua própria mãe desempenharam um papel central na reelaboração de esquemas a respeito de si mesma, do bebê e do relacionamento conjugal. Aponta-se para a efetividade da utilização dos temas da constelação da maternidade como eixos interpretativos na avaliação de processo psicoterápico envolvendo pais e bebê

  10. Práticas da equipe de enfermagem no processo de alta do bebê pré-termo

    Directory of Open Access Journals (Sweden)

    Kayna Trombini Schmidt

    2013-12-01

    Full Text Available O objetivo deste estudo foi identificar as estratégias utilizadas pela equipe de enfermagem atuante na unidade neonatal de um hospital-escola, durante o preparo da família para a alta do prematuro. Trata-se de estudo descritivo, com abordagem qualitativa. Os dados foram coletados entre março e junho de 2011, por meio de observação e entrevistas semiestruturadas. Da análise dos discursos emergiram duas categorias temáticas: Orientações e estratégias profissionais no preparo da família para a alta do prematuro e Dificuldades e potencialidades no espaço da atenção neonatal. A principal estratégia referida pelos profissionais foi a inserção precoce da família no processo de cuidar; a dificuldade destacada foi a ausência dos pais durante a internação do filho. As potencialidades e limitações apontadas por este estudo revelaram que o processo da assistência é dinâmico, necessitando de constantes reajustes e adequações para atender efetiva e integralmente o bebê prematuro e sua família.

  11. Razões maternas para colocar ou não o bebê na creche

    Directory of Open Access Journals (Sweden)

    Cesar Augusto Piccinini

    2016-01-01

    Full Text Available El estudio investigó las razones maternas para inscribir o no al hijo en la guardería en el primer año. El estudio incluyó a 69 madres y sus hijos, de los cuales 26 estaban entrando en los centros de atención y 43 continuarían siendo cuidados por la madre u otros cuidadores. Se entrevistó a las madres sobre la maternidad y la elección de cuidado. El análisis de contenido reveló que la decisión de inscribir o no al hijo en los centros de atención en los primeros seis meses fue influenciada por razones relacionadas con el bebé, sus madres/padres y la red de apoyo. Además de eso, se verificó que las razones maternas para elegir cualquier cuidado estuvieron relacionadas con las necesidades de los hijos. En cuanto a los centros de atención, las madres destacaron su importancia para el desarrollo social y cognitivo, mientras que los otros cuidados, las madres enfatizaron la atención más individualizada. Independiente de las razones específicas, estas estaban involucradas en un proceso complejo y dinámico.

  12. Depresión materna perinatal y vínculo madre-bebé: consideraciones clínicas

    Directory of Open Access Journals (Sweden)

    Marcia Paola Olhaberry Huber

    2015-07-01

    Full Text Available La alta frecuencia de los trastornos depresivos en el mundo y las altas tasas reportadas durante el pre y postparto, alertan sobre la necesidad de profundizar en la comprensión de la depresión materna perinatal y sus repercusiones psicológicas en la madre y el niño/a. Se describen y analizan sus características, los factores protectores y de riesgo, los principales efectos en el vínculo madre-bebé, el desarrollo infantil y la identidad materna a partir de una revisión de la literatura existente. Se reflexiona también sobre las implicancias clínicas de este trastorno, las alternativas de tratamiento y los desafíos actuales para su abordaje psicoterapéutico integral, considerando los distintos aspectos de la matriz relacional de la díada madre-hijo/a en interacción.

  13. A (Não Influência do Fator Transgeracional na Escolha de Produtos para Bebês

    Directory of Open Access Journals (Sweden)

    Bruno do Nascimento Sutil

    2016-12-01

    Full Text Available O artigo a seguir estuda o processo de decisão de compras das consumidoras de produto para bebês sob a ótica dos influenciadores externos, trazendo à luz o seu processo de busca de informações com seus pares, famílias e outras fontes. Para tal, foram feitas entrevistas em profundidade com sete mães que tiveram filhos até 18 meses antes do período de coleta, e com as avós das crianças. Como principais resultados, se observam o impacto de desconhecidas, porém, pares, como fortes influenciadoras nas escolhas, a partir de suas experiências pessoais com o mesmo tipo de compra. Tal influência demostrou superar, inclusive, as indicações de pessoas próximas, como família e amigos, e influenciadores de autoridade, como médicos pediatras.

  14. Sexualidade de puérperas com bebês de risco La sexualidad de puérperas con bebés de riesgo Sexuality patterns of mothers with high-risk infants

    Directory of Open Access Journals (Sweden)

    Leda Maria Belentani

    2011-01-01

    Full Text Available OBJETIVO: Identificar possíveis alterações na sexualidade de mulheres que experienciaram o puerpério com bebês de risco. MÉTODOS: Estudo do tipo coorte realizado com 193 puérperas que tiveram filhos nascidos entre maio e outubro de 2008 e incluídos no Programa de Vigilância ao Recém-nascido de Risco de Maringá-PR. Os dados foram coletados por meio de entrevista semi-struturada em duas visitas domiciliares, aos 45 dias e seis meses pós-parto. RESULTADOS: Entre as puérperas participantes 45,8% e 26,3% afirmaram que sua sexualidade estava pior do que antes da gravidez, respectivamente, aos 45 dias e seis meses após o parto. Não foi observada associação estatística entre sexualidade e qualquer variável aos 45 dias, mas o foi aos seis meses, após o parto em relação às intercorrências na gravidez (p=0,0259 e convívio com o companheiro (p=0,0093. CONCLUSÃO: Mães de recém-nascidos de risco, em especial, as que apresentaram intercorrência gestacional, necessitam de acompanhamento multidisciplinar e a longo prazoOBJETIVO: Identificar posibles alteraciones en la sexualidad de mujeres que experimentaron el puerperio con bebés de riesgo. MÉTODOS: Estudio de tipo cohorte realizado con 193 puérperas que tuvieron hijos nacidos entre mayo y octubre del 2008 e incluidos en el Programa de Vigilancia al Recién nacido de Riesgo de Maringá-PR. Los datos fueron recolectados por medio de una entrevista semi-estructurada en dos visitas domiciliarias, a los 45 días y seis meses post parto. RESULTADOS: Entre las puérperas participantes el 45,8% y el 26,3% afirmaron que su sexualidad estaba peor que antes del embarazo, a los 45 días y seis meses después del parto, respectivamente. No fue observada la asociación estadística entre sexualidad y cualquier variable a los 45 días, mas sí a los seis meses, después del parto en relación a las intercurrencias en el embarazo (p=0,0259 y convivencia con el compañero (p=0,0093. CONCLUSI

  15. Changes in ocular higher-order aberrations following botulinum toxin treatment in patients with blepharospasm : BTX improves dry eye in patients with BEB.

    Science.gov (United States)

    Isshiki, Yoshihiko; Ishikawa, Hiroto; Mimura, Osamu

    2016-11-01

    To evaluate the effects of botulinum toxin type A (BTX-A) treatment in patients with benign essential blepharospasm (BEB) by monitoring the ocular surface and ocular higher-order aberrations (HOAs) before and after treatment. The present study reports a prospective case series of 38 patients (76 eyes, 11 men and 27 women; mean age 66.8 ± 9.8 years) with BEB who underwent BTX-A treatment at Kokura Memorial Hospital between 2013 and 2014. Patients were evaluated for ophthalmoscopic findings, Schirmer I test, tear film break-up time (t-BUT), HOAs, fluctuation index (FI), stability index (SI) using a wavefront aberrometer, 15 subjective symptoms using the Dry Eye-Related Quality of Life Score (DEQS), and complications before and after the treatment. After BTX-A treatment, the Schirmer I test score improved significantly from 5.9 ± 5.4 to 8.7 ± 6.1 mm and t-BUT recovered from 5.2 ± 1.7 to 7.3 ± 1.7 s. HOAs were classified into four patterns: stable (60.5 %), small fluctuation (14.5 %), sawtooth (17.1 %), and reverse sawtooth (7.9 %), and they significantly reduced after the treatment. Only FI (not SI) showed a marked reduction, and the DEQS significantly improved from 44.7 ± 21.6 to 37.6 ± 21.0 after the treatment (p treatment with a high potential to improve ocular surface disorders induced by BEB.

  16. The Benefits of Early Book Sharing (BEBS) for child cognitive and socio-emotional development in South Africa: study protocol for a randomised controlled trial.

    Science.gov (United States)

    Dowdall, Nicholas; Cooper, Peter J; Tomlinson, Mark; Skeen, Sarah; Gardner, Frances; Murray, Lynne

    2017-03-09

    Children in low and middle-income countries (LMICs) are at risk for problems in their cognitive, social and behavioural development. Factors such as a lack of cognitive stimulation, harsh parenting practices, and severe and persistent aggression in early childhood are central to the genesis of these problems. Interventions that target the intersection between early childhood development, parenting, and early violence prevention are required in order to meaningfully address these problems. We are conducting a randomised controlled trial to evaluate a parenting intervention for caregivers of children aged between 23 and 27 months, designed to promote child cognitive and socioemotional development in Khayelitsha, a low-income peri-urban township in South Africa. Families are randomly allocated to a book-sharing intervention group or to a wait-list control group. In the intervention, we train caregivers in supportive book-sharing with young children. Training is carried out in small groups over a period of 8 weeks. Data are collected at baseline, post intervention and at 6 months post intervention. In addition to targeting child cognitive development, the intervention aims to improve child socioemotional functioning. The Benefits of Early Book Sharing (BEBS) trial aims to evaluate the impact of an early parenting intervention on several key risk factors for the development of violence, including aspects of parenting and child cognition, prosocial behaviour, aggression, and socioemotional functioning. The study is being carried out in a LMIC where violence constitutes a major social and health burden. Since the intervention is brief and, with modest levels of training, readily deliverable in LMIC contexts, a demonstration that it is of benefit to both child cognitive and socioemotional development would be of significance. The BEBS trial is registered on the International Standard Randomised Controlled Trial Number database, registration number ISRCTN71109104

  17. O envolvimento do pai na gravidez/parto e a ligação emocional com o bebé La participación del padre en el embarazo/parto y el vínculo emocional con el bebé Father’s involvement in pregnancy/childbirth and the emotional bond with the baby

    Directory of Open Access Journals (Sweden)

    João Rui Duarte Farias Nogueira

    2012-12-01

    Full Text Available Enquadramento: a ligação emocional entre pai e filho é determinante na transição para a paternidade e no desenvolvimento do bebé. Objetivos: pretendemos verificar se existe relação entre as variáveis sóciodemográficas, o envolvimento na gravidez ou o corte do cordão umbilical com a ligação emocional do pai com o bebé. Metodologia: efetuámos um estudo transversal, quantitativo de caráter descritivo analítico. Aplicámos um questionário e a escala bonding validada para a população Portuguesa (Figueiredo et al., 2005, em três momentos diferentes (durante o trabalho de parto, no 1º e no 3º dia após o parto a 222 pais, entre novembro de 2010 e janeiro de 2011. Resultados: verificámos que a idade (entre 25 e 40 anos, o acompanhamento da grávida às consultas de vigilância da gravidez, o acompanhamento da grávida nos preparativos para o nascimento do bebé, a leitura de informação sobre o bebé em desenvolvimento, o envolvimento na gravidez e o corte do cordão umbilical influenciam positivamente a ligação emocional do pai com o bebé. Conclusão: os resultados apontam para uma melhoria na ligação afetiva entre o pai e o bebé se os profissionais de saúde promoverem o envolvimento do pai na gravidez e no parto.Marco: el vínculo emocional entre padre e hijo es crucial en la transición hacia la paternidad y el desarrollo del bebé.Objetivos: pretendemos verificar si existe una relación entre las variables sociodemográficas, la participación en el embarazo o el corte del cordón umbilical y el vínculo emocional entre el padre y el bebé. Metodología: se realizó un estudio transversal, cuantitativo, de corte descriptivo-analítico. Se aplicó un cuestionario y la escala de Bonding validado para la población portuguesa (Figueiredo et al., 2005, en tres momentos diferentes (durante el parto, durante el primer y el tercer día después del parto a 222 padres, entre noviembre 2010 y enero de 2011. Resultados: se

  18. Paternidade no contexto da prematuridade : da interação do bebê ao 3º mês após a alta hospitalar

    OpenAIRE

    Fernanda Borges de Medeiros

    2012-01-01

    O presente estudo buscou compreender os percursos singulares rumo à paternidade no contexto da reprodução assistida, desde a gestação até o primeiro ano de vida do(s) bebê(s). Foi realizado um estudo de caso coletivo longitudinal. Participaram três homens que se submeteram, junto com as esposas, à fertilização in vitro, sendo a causa da infertilidade masculina ou mista. Os pais responderam entrevistas semiestruturadas em três momentos: a) terceiro trimestre de gestação; b) terceiro mês de vid...

  19. Aproximadamente 1 de cada 5 bebés de madres adolescentes no es el primero (Preventing Repeat Teen Births)

    Centers for Disease Control (CDC) Podcasts

    2013-04-02

    Este podcast se basa en el informe de los CDC Vital Signs, de abril del 2013, que dice que aproximadamente 1 de cada 5 bebés de madres adolescentes no es el primero, y trata la manera en que los adolescentes, sus padres y tutores legales, los proveedores de atención médica y las comunidades pueden ayudar en la prevención.  Created: 4/2/2013 by Centers for Disease Control and Prevention (CDC).   Date Released: 4/2/2013.

  20. Prevalência de alterações orais congênitas e de desenvolvimento em bebês de 0 a 6 meses = Prevalence of congenital and developmental oral abnormalities in infants aged 0 to 6 months

    Directory of Open Access Journals (Sweden)

    Santos, Flávia Fernanda Carvalho

    2009-01-01

    Full Text Available Objetivo: Verificar a prevalência de alterações orais congênitas e de desenvolvimento em bebês de 0 a 6 meses de idade. Metodologia: A amostra deste estudo descritivo foi constituída por 621 bebês de 0 a 6 meses de idade atendidos no Banco de leite do Hospital Universitário Materno Infantil em São Luís, MA, Brasil, no período de janeiro de 2001 a junho de 2004. O exame clínico foi realizado através de inspeção visual, com luz natural e espátula de madeira. Foram registradas as alterações orais congênitas e de desenvolvimento presentes e sua localização anatômica, bem como o sexo e a faixa etária dos bebês. Resultados: Do total de 621 bebês (310 meninos e 311 meninas, 45 (7,24 % apresentaram alguma alteração oral, com localização principalmente na maxila. O cisto de inclusão foi a alteração mais frequente (6,28 % dos bebês examinados. A faixa etária entre 0 e 3 meses de idade apresentou maior número de alterações. Conclusão: Alterações congênitas ou de desenvolvimento não são ocorrências incomuns em bebês até 6 meses de idade, embora a prevalência relatada na literatura seja bastante variável. Há necessidade de estudos adicionais sobre as causas e os fatores de risco para o surgimento dessas alterações

  1. Lactancia materna en bebés pretérminos: cuidados centrados en el desarrollo en el contexto palestino Breast feeding in premature babies: development-centered care in Palestine

    OpenAIRE

    M. J. Aguilar Cordero; S. M. Batran Ahmed; C. A. Padilla López; R. Guisado Barrilao; C. Gómez García

    2012-01-01

    El contacto precoz piel a piel provee beneficios para la madre y para el bebé, además de tener un papel importante en el establecimiento de la lactancia materna. Objetivo: El objetivo de este estudio fue informar a las madres de bebés pretérmino sobre la importancia del contacto piel con piel para la implantación de la lactancia materna y para un mejor vínculo entre ellos (cuidados centrados en el desarrollo CCD). Material y método: Se realizó un estudio de cohorte, prospectivo, en varios Hos...

  2. Estimulación temprana en bebés de 0 a 5 meses con bajo peso al momeno de nacer (relación afectiva madre - hijo/a)

    OpenAIRE

    Garcés Ruiz, Ibeth Johanna

    2006-01-01

    Al tratar la estimulación temprana en bebés con bajo peso al momento de nacer, es necesario remontar información sobre los antecedentes maternos, como medio familiar, factor emocional, médico y nutrición; puesto que en el embarazo tanto la madre como el bebé corren el riesgo de presentar complicaciones de salud. El recién nacido al presentar bajo peso o desnutrición tendrá problemas asociados en su salud y/o un retraso en su desarrollo. Se propone la realización de actividades para ...

  3. Adaptação à creche e o processo de separação-individuação: reações dos bebês e sentimentos parentais = The adjustment to daycare center and separation-individuation process: infants’ reactions and parents’ feelings = Adaptación a lo jardin infantil y el proceso de separacion-individualizacion: reacciones de los bebés y sentimientos de los padres

    Directory of Open Access Journals (Sweden)

    Bossi, Tatiele Jacques

    2014-01-01

    Full Text Available Este estudo investigou os relatos das mães e pais sobre as reações dos bebês frente à adaptação à creche e os sentimentos e reações parentais. Participaram 13 bebês e seus genitores que ingressaram na creche durante as subfases do processo de separação-individuação: diferenciação (6º mês, exploração (12º mês e reaproximação (20º mês. Análise de conteúdo qualitativa das entrevistas apontou que reações de recusa à alimentação e adoecimento fizeram-se particularmente presentes entre os bebês que estavam nas subfases de diferenciação e exploração. Sentimentos de insegurança predominaram no relato dos genitores cujos bebês estavam na subfase de exploração, quando alguns não conseguiram se adaptar à creche. Na subfase de reaproximação, apesar das reações iniciais da criança e de sentimentos de insegurança parentais, os bebês apresentaram boa adaptação. Destaca-se a importância da presença parental no período de adaptação, contribuindo para que a creche torne-se uma referência para o bebê possibilitando a continuidade do processo de separação-individuação

  4. "Um sonho cortado pela metade...": estudo de caso sobre o impacto da prematuridade e da deficiência visual do bebê na parentalidade

    Directory of Open Access Journals (Sweden)

    Carla Meira Kreutz

    2013-06-01

    Full Text Available Quando a prematuridade culmina com um diagnóstico de retinopatia da prematuridade com perda da visão, os pais sofrem um duplo impacto. O presente estudo teve por objetivo investigar as reações emocionais dos pais nesse contexto e seu impacto na parentalidade. Para tanto, pais de uma menina de 13 meses foram entrevistados conjuntamente. Os dados foram examinados, utilizando-se a análise de conteúdo. Os resultados mostraram um choque dos pais com a aparência do bebê prematuro, o medo da morte do bebê, dificuldades para a compreensão do diagnóstico, negação, culpa, sentimentos hostis em relação à equipe médica e diminuição da autoeficácia do casal como pais. Por outro lado, identificou-se uma busca de reorganização do casal e alegrias frente à parentalidade.

  5. Mothers' feelings about breastfeeding their premature babies in a rooming-in facility Sentimientos de madres al amamantar a sus bebés prematuros en sistema de alojamiento conjunto Sentimentos de mães ao amamentarem seus bebês prematuros em sistema de alojamento conjunto

    Directory of Open Access Journals (Sweden)

    Rejane Marie Barbosa Davim

    2010-09-01

    Full Text Available This study aimed at learning about the feelings experienced by mothers while breastfeeding their premature babies in a rooming-in facility, by means of individual interviews with 33 mothers during the period of February to April 2006, at a maternity hospital in Natal/RN/Brazil. The main feelings referred by the mothers regarding their inability to breastfeed their premature babies immediately after delivery were: sorrow, guilt, disappointment, frustration, insecurity, and fear of touching, holding or harming the delicate babies while breastfeeding. However, the mother-child bond that was formed when the baby was discharged from the Neonatal Intensive Care Unit and taken to the rooming-in facility was reflected by feelings of fulfillment, pride, and satisfaction at experiencing the first breastfeeding.Estudio realizado con el objetivo de conocer los sentimientos de madres al amamantar a sus bebés prematuros en Sistema de Alojamiento Conjunto, realizándose entrevistas individuales con 33 madres acompañantes en el período comprendido entre febrero y abril de 2006, en una maternidad escuela de Natal / RN / Brasil. Los principales sentimientos referidos por esas madres resultaron en tristeza, culpa, decepción, frustración, inseguridad, miedo de tocar, asegurar o hasta incluso de perjudicar a sus delicados bebés mientras eran amamantados. No obstante eso, el vínculo creado por madres y bebés cuando los mismos reciben el alta de la Unidad de Terapia Intensiva Neonatal para el Sistema de Alojamiento Conjunto, se manifiesta en los sentimientos de realización y orgullo, los cuales son determinados por la satisfacción de la primera lactancia.Estudo teve o objetivo de conhecer os sentimentos de mães ao amamentarem seus bebês prematuros em Sistema de Alojamento Conjunto. Entrevistas individuais foram realizadas com 33 mães acompanhantes no período de fevereiro a abril de 2006, em uma maternidade-escola de Natal/RN/Brasil. Os principais

  6. Percepção de mães sobre o cuidado domiciliar prestado ao bebê nascido com baixo peso Percepciones de madres acerca del cuidado domiciliar prestado al bebé nascido con bajo peso Mothers' perception about homecare delivered to her low weight infant

    Directory of Open Access Journals (Sweden)

    Elieth Lessa Fonseca

    2011-02-01

    Full Text Available O objetivo do estudo foi identificar as dificuldades percebidas pelas mães no cuidado aos bebês de baixo peso e conhecer os recursos utilizados diante das intercorrências na saúde. Estudo de natureza qualitativa, desenvolvido junto a seis mães residentes em Maringá, PR, Brasil. Os dados foram coletados no período de fevereiro a setembro de 2008, em quatro visitas domiciliares, por meio de entrevista semi-estruturada. As mães vivenciaram dificuldades relacionadas aos profissionais e serviços de saúde, características do bebê, condições financeiras, alterações na rotina familiar e retorno ao trabalho. No enfrentamento das intercorrências, utilizaram recursos próprios ou atendimento médico. Concluiu-se que a mãe e a família necessitam de acompanhamento e apoio profissional para melhor cuidar do bebê de baixo peso no domicílioEl objectivo de este estudio fue identificar las dificultades percibidas por las madres en el cuidado de los bebés de bajo peso y conocer los recursos utilizados frente a las ocurrencias en la salud. Estudio de carácter cualitativo, desarrollado junto a seis madres que vivem en Maringá, PR, Brasil. Los datos fueron recogidos en el periodo de febrero hasta septiembre de 2008, en cuatro visitas domiciliares, por medio de entrevistas semi-estructuradas y observación no sistematizada. Las madres vivenciaron dificultades relacionadas a los profesionales, servicios de salud, características del bebé, condiciones financieras, alteraciones en la rutina familiar y vuelta al trabajo. En el enfrentamiento de las ocurrencias utilizaron medios propios o la atención médica. Se concluy que la madre y la familia necesitan de acompañamiento y apoyo profesional para mejor cuidar del bebé con bajo peso en el domicilioThe purpose of the study was to identify problems perceived by mothers in caring of low birth weight babies and to understand the resources used while facing health complications. The qualitative

  7. Engasgamento em bebês após busca às cegas com os dedos Infants choking following blind finger sweep

    Directory of Open Access Journals (Sweden)

    Hasan A. Abder-Rahman

    2009-06-01

    Full Text Available OBJETIVO: Em situações estressantes, as pessoas geralmente usam os dedos para retirar corpos estranhos de faringe da boca. Este artigo relata três casos de óbito de bebês após o uso dessa técnica. MÉTODOS: Um total de 26 casos de engasgamento causado por aspiração de corpos estranhos nas vias respiratórias superiores e inferiores envolvendo crianças menores de 11 anos submetidas a autopsia no Departamento de Medicina Forense da Universidade da Jordânia entre 1996 e 2006 foram revisados. RESULTADOS: O uso de busca às cegas com os dedos para retirar corpos estranhos de faringe foi relatado em três bebês durante o choro. Todas as crianças eram menores de 1 ano e haviam se engasgado com grãos-de-bico, uma bola de gude e um lápis curto. A diversidade, o tamanho, a forma, e a maciez da superfície são as principais características que fazem com que esses corpos estranhos sejam mais difíceis de ser removidos com os dedos e facilitam sua entrada via respiratória. CONCLUSÃO: Esses casos mostraram que a busca às cegas com os dedos na boca de bebês durante o choro não é somente uma manobra perigosa, mas também pode ser fatal.OBJECTIVE: In stressful situations, people usually use finger sweep to remove pharyngeal foreign bodies from the mouth. This article reports on three cases of death of infants following the use of this technique. METHODS: A total of 26 cases of choking caused by foreign bodies aspiration in the upper and lower respiratory passages involving children younger than 11 years of age autopsied at the Forensic Department of University of Jordânia between 1996 and 2006 were reviewed. RESULTS: Blind finger sweep to remove pharyngeal foreign bodies were reported in three crying infants. All of these cases were younger than 1 year of age and choked on a chickpea, a marble and a short pencil. Diversity, size, shape and smoothness of the surface are the main characteristics that render the foreign bodies less easily

  8. Elaboração e avaliação de um website sobre o desenvolvimento da linguagem infantil: portal dos bebês - desenvolvimento da linguagem

    Directory of Open Access Journals (Sweden)

    Aline Martins

    2015-02-01

    Full Text Available OBJETIVO: criar e desenvolver um website na área de fonoaudiologia com enfoque no desenvolvimento da linguagem de bebês de 0 a 48 meses, além de avaliar a qualidade do conteúdo apresentado e os recursos tecnológicos utilizados. MÉTODOS: na primeira fase do projeto foi realizado um levantamento de dados por meio de revisão de literatura sobre o desenvolvimento e aquisição da linguagem infantil. Em seguida esse conteúdo foi inserido no website e avaliado por 20 pais e/ou cuidadores. RESULTADO: o website Portal dos Bebês - Desenvolvimento da Linguagem foi desenvolvido com linguagem voltada a pais e/ou cuidadores, e seu conteúdo foi dividido em três temas: "Desenvolvimento da Linguagem", "Fala e Linguagem" e "Linguagem e o Ambiente". No que se refere à qualidade do conteúdo e da apresentação, o website foi avaliado como "excelente" por todos os participantes da amostra. Quanto à avaliação sobre o vocabulário utilizado e a forma de apresentação do conteúdo, 70% e 75% respectivamente, consideraram o website como "excelente". Em relação à apresentação visual, 85% dos participantes classificaram como "excelentes", já o tipo de navegação foi classificado como "satisfatório" por 50% dos participantes. Quanto à importância que os pais e/ou cuidadores julgam sobre o site a maioria classificou como "excelente" o auxilio que o mesmo dá no desenvolvimento da linguagem da criança. CONCLUSÃO: o website Portal dos Bebês - Desenvolvimento da Linguagem pode ser acessado pelo endereço online http://portaldosbebes.fob.usp.br, e seu conteúdo e recursos tecnológicos utilizados foram avaliados como satisfatório a excelente pelos pais e/ou cuidadores participantes.

  9. Tecendo as teias do abandono: além das percepções das mães de bebês prematuros

    OpenAIRE

    Fernandes,Rosangela Torquato; Lamy,Zeni Carvalho; Morsch,Denise; Lamy Filho,Fernando; Coelho,Laura Fernandes

    2011-01-01

    O objetivo foi analisar a rede de eventos envolvidos na intenção de abandono de bebês prematuros por suas mães. Pesquisa qualitativa realizada com 12 mães de prematuros internados na UTIN, do HUUMI. As técnicas foram entrevistas semiestruturadas e grupo focal realizados na internação e no ambulatório de seguimento. Amostra definida pelos critérios de saturação, a partir da repetição das falas. Utilizou-se análise de conteúdo na modalidade de análise temática. Resultados evidenciaram as dificu...

  10. Olhar de bebês em desenvolvimento típico: correlações longitudinais encontradas The gaze of babies in typical development: longitudinal correlations

    Directory of Open Access Journals (Sweden)

    Aline Elise Gerbelli Belini

    2007-09-01

    Full Text Available OBJETIVO: Verificar quais as correlações existentes longitudinalmente entre o foco de olhar de bebês, em situação de interação materno-filial livre, ao longo dos primeiros meses de desenvolvimento. MÉTODOS: Dezessete bebês saudáveis foram filmados por 30 minutos, mensalmente, entre zero e quatro meses de vida, em situações cotidianas com suas mães. As filmagens foram analisadas em intervalos consecutivos de 30 segundos, sendo registrada a presença ou ausência de 11 categorias de observação do olhar (alvos do olhar dos bebês, enquanto estes estavam em estado de alerta. RESULTADOS: Foram encontradas 21 correlações estatisticamente significantes entre as categorias de observação do olhar, sendo 16 positivas (76,2% e cinco negativas (23,8%. O momento com maior número de correlações estatisticamente significantes foi na quarta filmagem, e o momento com menor número de correlações estatisticamente significantes foi na segunda filmagem. A correlação estatisticamente significante mais freqüente, encontrada em quatro dos cinco momentos de coleta (80%, foi entre as categorias " olhar para o rosto da mãe" e " olhar para os olhos da mãe" . CONCLUSÕES: Os resultados obtidos, à luz das informações existentes sobre o desenvolvimento inicial de jovens crianças, permitem imaginar relações entre suas competências sensoriais, cognitivas, sociais e afetivas e os alvos de seu olhar. O aprofundamento do tema, com investigações sobre indícios de atenção compartilhada nesta tenra fase, e reflexões sobre os objetos do olhar dos bebês e a saúde de seu desenvolvimento parecem contribuir para o diagnóstico e a prevenção de distúrbios do desenvolvimento.PURPOSE: To verify the longitudinal existing correlations between the babies' target of look in the free maternal-filial situation along the first months of development. METHODS: Seventeen healthy babies aged between zero and four months of life were monthly videotaped for

  11. Culturas afro-brasileiras: práticas pedagógicas com bebês e crianças pequenas

    Directory of Open Access Journals (Sweden)

    Circe Mara Marques

    2015-11-01

    Full Text Available Este estudo trata dos modos de apresentação das culturas afro-brasileiras a bebês e crianças pequenas em escolas de educação infantil. O propósito da pesquisa foi investigar e analisar o trabalho pedagógico relacionado às culturas Afro-brasileiras que estão sendo realizados para implementar as Diretrizes Curriculares Nacionais para a Educação Infantil (DCNEI, de 2009. Segundo o Art 7º, inciso V, desse documento, as Propostas Pedagógicas devem estar comprometidas com o rompimento das relações de dominação diversas, inclusive, étnico-racial. A coleta de dados foi efetivada pelas estudantes do curso de Pedagogia do Complexo de Ensino Superior de Cachoeirinha, no primeiro semestre de 2015, em onze escolas de educação infantil, públicas e privadas, da grande Porto Alegre. Tal investigação foi organizada em dois momentos, sendo que no primeiro houve uma investigação empírica abarcando observações nas turmas de berçário e entrevistas semiestruturadas com as professoras e gestoras. Em um segundo momento as estudantes retornaram às escolas e desenvolveram práticas pedagógicas voltadas à cultura Afro-brasileira nas turmas pesquisadas. Os resultados da pesquisa mostraram que a maioria das escolas não contempla essa temática racial em seus projetos pedagógicos e, além disso, as gestoras e professoras conhecem muito vagamente as DCNEI. Com relação ao espaço e aos materiais foi constatado que, praticamente, não há imagens de pessoas negras nas paredes das escolas e, em algumas delas, nenhuma boneca negra no acervo de brinquedo disponível para as crianças brincarem. As professoras e gestoras entrevistadas afirmaram que não ocorrem problemas raciais na educação infantil e justificaram que as crianças de 0-3 são pequenas e não percebem tais diferenças. Esse discurso evidencia uma concepção superada de infância a qual desconsidera a potência dos bebês e suas possibilidades de interagir e aprender o mundo

  12. Avaliação e intervenção de bebês em instituição de acolhimento infantil

    OpenAIRE

    LOPES, Andreza Mourão

    2013-01-01

    O presente estudo aborda a avaliação e intervenção com bebês em uma instituição de acolhimento infantil na cidade de Belém-Pa, através da aplicação da Escala de Desenvolvimento do Comportamento da Criança – EDCC e de um programa de atividades elaborado pela pesquisadora para a estimulação precoce/essencial das habilidades motoras, cognitivas, linguagem e afetivas. Dados referentes à história pregressa de todas as crianças envolvidas no estudo também foram considerados e obtidos por m...

  13. Detección auditiva e intervención tempranas: ¿puede oír su bebé?

    Centers for Disease Control (CDC) Podcasts

    Este podcast es una traducción fiel de la conversación original en inglés con la doctora June Holstrum y la audióloga Pam Mason, y habla sobre la importancia de hacer una prueba exploratoria de la audición a todos los bebés tan pronto como sea posible después del nacimiento. También proporciona información que puede ayudar a los padres y proveedores de salud a determinar si un niño tiene pérdida auditiva, y a encontrar recursos adicionales. (Creado el 6/5/2007 por el Programa de Detección Auditiva e Intervención Tempranas del Centro Nacional de Defectos Congénitos y Deficiencias del Desarrollo, NCBDDD).

  14. Intervenciones con padres y los bebés prematuros admitidos en la uti neonatal: una revisión sistemática

    Directory of Open Access Journals (Sweden)

    Márcia Schaefer Márcia

    2017-05-01

    Full Text Available Este estudio es una revisión sistemática de la literatura acerca de intervenciones facilitadoras del vínculo padre-hijo celebrada con padres y bebés prematuros hospitalizados en Unidad de Cuidados Intensivos Neonatales, publicados en los últimos diez años. Fueron utilizados como términos de búsqueda “intervenciones and bebés prematuros and unidad de cuidados intensivos” y sus traducciones al inglés, incluyendo artículos empíricos, disponibles en su totalidad y publicados en inglés, portugués o español, que surge de la medicina, psicología, enfermería, psiquiatría o multidisciplinaria. Se analizaron los resultados por medio de diez categorías: tipos de publicación, año de publicación, continente y país de origen, investigadores académicos, idioma predominante en las publicaciones, objetivos del estudio, diseño, participantes, herramientas e intervenciones usadas, resultados. Se encontraron once artículos publicados principalmente en revistas médicas, compuestos por autores multidisciplinares, de diseño cuantitativo, y la díada madre-hijo como participante. No hubo artículos de solamente psicólogos, que compusieron dos estudios multidisciplinares, que muestra la necesidad de una comprensión de este fenómeno, ya que las repercusiones de los primeros eslabones de la evolución general de los individuos están profundamente cubiertos en psicología

  15. Criação de questionário para detecção de comportamentos atípicos em bebês Development of a questionnaire to detect atypical behavior in infants

    Directory of Open Access Journals (Sweden)

    Es Habib

    2007-06-01

    Full Text Available INTRODUÇÃO: Os transtornos regulatórios (TR se manifestam por alterações sensoriomotoras, de sono, alimentação e adaptação nos primeiros três anos de vida, que parecem sinalizar problemas futuros no desenvolvimento da criança. Há evidências de que os TR estão relacionados a problemas de atenção, aprendizagem e comportamento observados na idade escolar, sendo importante investir em recursos que viabilizem a sua detecção precoce. O objetivo deste estudo é descrever o processo de criação de um questionário para detecção de comportamentos atípicos, sugestivos de TR, em bebês de 6 a 12 meses. MÉTODOS: O instrumento foi desenvolvido em duas etapas, (a de planejamento e construção do teste e (b de exame da validade de conteúdo por meio de painel de experts, com pesquisadores e profissionais de reconhecida experiência na área. RESULTADOS: Os dados indicam que o tema é relevante e que os itens do questionário, de acordo com a pontuação do painel, são fáceis de serem observados (96,8%; estão redigidos com clareza (94,5%; avaliam aspectos importantes do comportamento (89,6% e têm potencial para discriminar comportamentos atípicos em bebês de 6 a 12 meses (85,4%. CONCLUSÃO: A partir desse estudo os itens foram revisados, resultando em um questionário com 50 itens que será aplicado experimentalmente em trabalhos futuros. Espera-se que o questionário venha a ser útil na detecção precoce de problemas que afetam grande número de crianças.INTRODUCTION: Regulatory disorders (RDs are manifested by sensorimotor, sleep, feeding and adaptation abnormalities in the first three years of life, which seem to indicate future child development problems. There is evidence that RDs are related to attention, learning and behavioral problems that are observed at school age. Therefore, it is important to invest in resources that enable their early detection. The objective of this study was to describe the process of creating a

  16. Voz cantada e a constituição da relação mãe-bebê Singing voice and the constitution of mother/baby relationship

    Directory of Open Access Journals (Sweden)

    Enio Lopes Mello

    2009-03-01

    Full Text Available TEMA: refletir sobre uma faceta da constituição da relação mãe-bebê, que se fez presente no uso criativo da voz cantada da mãe, na comunicação com o seu bebê. PROCEDIMENTOS: o único sujeito desse estudo é uma mãe, que se submeteu a oito sessões de terapias corporais associadas à emissão da voz cantada, sempre dirigidas ao bebê; as sessões transcorreram com a possibilidade de expressão livre pela fala e gesto da mãe e a escuta do terapeuta. RESULTADOS: o quadro que a mãe apresentava em relação ao seu bebê, no início do tratamento, se encaixa na descrição de depressão pós-parto. Após as sessões, a mãe conseguiu estabelecer contato com seu bebê, de modo prazeroso; por meio da emissão da voz cantada, ela estabeleceu a primeira forma de comunicação e não mais apresentou o quadro de dor e perda da voz. CONCLUSÃO: a possibilidade de reconhecimento, do bebê por sua mãe, teve a corporeidade como aliada, na conjunção dos corpos da mãe e do bebê, o que favoreceu o estabelecimento de uma comunicação com sintonia de ritmos, por meio da entoação de música cantada, que levou à constituição do bebê enquanto pessoa integrada.BACKGROUND: to address one aspect of mother/baby relationship, that arises from the use of singing voice in their communicative process. PROCEDURE: the subject of this case study is a mother who undergoes eight sessions of body therapy (massage and exercises associated to the utterance of singing voice, always directed to the baby; the sessions offered the possibility of free expression through the mother's use of gestures and speech along with the therapist' listening. RESULTS: in the beginning of treatment, the reaction of the mother towards her baby fits precisely in postpartum depression description. After the sessions, she was able to keep a most pleasant contact with her baby; by means of the singing voice, she has got the first way of communication with her child and either pain or

  17. Programa mãe-canguru e a relação mãe-bebê: pesquisa qualitativa na rede pública de Betim El programa madre-canguro y la relación madre-bebé: pesquisa cualitativade en la red pública de Betim Kangaroo mother program and the relationship mother-baby: qualitative research in a public maternity of Betim city

    Directory of Open Access Journals (Sweden)

    Jacqueline de Oliveira Moreira

    2009-09-01

    Full Text Available Esse texto aborda os resultados de uma pesquisa qualitativa financiada pela FAPEMIG/PUC - Minas que tem como objetivo investigar os efeitos do método "canguru" na relação entre mãe e bebê prematuro. A pesquisa de campo teve seus dados coletados através de entrevistas semiestruturadas junto às mães de bebês prematuros egressas do programa Canguru da Maternidade Municipal Aideé Conroy Espejo, de Betim. Utilizamos a análise de conteúdo por categorias temáticas para a análise dos dados. Os resultados apontam a complexidade da maternidade no interior da prematuridade, atravessada pela vivência de trauma, pelo medo de perder o bebê, pela visão da fragilidade da criança. Nesse contexto, o programa mãe-canguru possibilita efetivamente a conexão entre mãe e bebê prematuro, colaborando para a vinculação da díade. Concluímos ainda que a mãe, os familiares e a equipe podem constituir um ambiente facilitador a partir do momento em que assumam uma postura ativa na mediação da relação do prematuro com o mundo.Este texto enfoca los resultados de la pesquisa cualitativa financiada pela FAPEMIG / PUC - Minas que tiene como objetivo investigar los efectos del 'método Canguro' en la relación entre madre y bebé prematuro. La pesquisa de campo tuvo sus datos colectados a través de entrevistas semi-estructuradas junto a las madres de bebés prematuros egresas del Programa Ganguro de la Maternidad Municipal Aideé Conroy Espejo, de Betim, Minas Gerais, Brasil. Utilizamos el análisis de contenido por categorías temáticas para el estudio de los datos. Los resultados apuntan para la complejidad de la maternidad en el interior de la prematuridad, atravesada por la vivencia de trauma, por el miedo de perder el bebé, por la visión de la fragilidad del niño. En este contexto, el Programa Madre-canguro posibilita efectivamente la conexión entre madre y bebé prematuro, colaborando para la vinculación de la díada. Concluimos, adem

  18. Más que una niñera. Puntos de vista de los padres sobre los medios de comunicación dirigidos a bebés

    Directory of Open Access Journals (Sweden)

    Ellen Wartella

    2012-03-01

    Full Text Available Los niños menores de dos años ven medios de comunicación visuales durante gran parte del tiempo, a pesar de las recomendaciones de la Academia Estadounidense de Pediatría (AAP, American Academy of Pediatrics de que los niños de dicha edad no se deben exponer a estos medios de comunicación. Los DVD’s infantiles se comercializan implícita y explícitamente como educativos, resaltando áreas de contenido tales como formas, números, habilidades de lectura, colores, idioma extranjero, música y ciencia. Los videos para bebés son populares, a pesar de la escasa evidencia investigativa sobre su eficacia didáctica. Setenta y tres padres de niños menores de dos años fueron encuestados sobre la importancia de los medios de comunicación de uso educativo y no educativo dirigidos a bebés. Los resultados demuestran que los padres generalmente esperan mucho de la producción audiovisual orientada hacia los bebés. Además, las familias con un ingreso económico bajo y los padres con menos educación, tienen una mayor tendencia a ver positivamente dicha producción audiovisual debido a que la consideran como un recurso cognitivo que no se puede obtener de otro modo.

  19. MRCI study on the spectroscopic parameters, transition dipole moments and transition probabilities of 16 low-lying states of the BeB radical

    Science.gov (United States)

    Zhou, Dan; Shi, Deheng; Sun, Jinfeng; Zhu, Zunlue

    2018-03-01

    In this work, we calculate the potential energy curves of 16 Λ-S and 36 Ω states of beryllium boride (BeB) radical using the complete active space self-consistent field method, followed by the valence internally contracted multireference configuration interaction approach with Davidson correction. The 16 Λ-S states are the X2Π, A2Σ+, B2Π, C2Δ, D2Ʃ-, E2Σ+, G2Π, I2Σ+, a4Σ-, b4Π, c4Σ-, d4Δ, e4Σ+, g4Π, h4Π, and 24Σ+, which are obtained from the first three dissociation channels of the BeB radical. The Ω states are obtained from the Λ-S states. Of the Λ-S states, the G2Π, I2Σ+, and h4Π states exhibit double well curves. The G2Π, b4Π, and g4Π states are inverted with the spin-orbit coupling effect included. The d4Δ, e4Σ+, and g4Π states as well as the second well of the h4Π state are very weakly bound. Avoided crossings exist between the G2Π and H2Π states, the A2Σ+ and E2Σ+ states, the c4Σ- and f4Σ- states, the g4Π and h4Π states, the I2Σ+ and 42Σ+ states, as well as the 24Σ+ and 34Σ+ states. To improve the quality of the potential energy curves, core-valence correlation and scalar relativistic corrections, as well as the extrapolation of the potential energies to the complete basis set limit, are included. The transition dipole moments are computed. Spectroscopic parameters and vibrational levels are determined along with Franck-Condon factors, Einstein coefficients, and radiative lifetimes of many electronic transitions. The transition probabilities are evaluated. The spin-orbit coupling effect on the spectroscopic parameters and vibrational levels is discussed. The spectroscopic parameters, vibrational levels, and transition probabilities reported in this paper can be considered very reliable and can be employed to predict these states in an appropriate spectroscopy experiment.

  20. Lazer para pais de bebês de risco: a experiência junto ao Hospital das Clínicas de Ribeirão Preto

    Directory of Open Access Journals (Sweden)

    Mariana Ribeiro Brunherotti

    2000-09-01

    Full Text Available No HCFMRP-USP, a enfermagem tem implementado ações dirigidas aos pais com grupos de apoio, treinamento para alta e envolvimento deles no cuidado progressivo do filho. Procurando expandir essa assistência, implantamos um programa de apoio envolvendo atividades lúdicorecreacionais junto aos pais de bebês hospitalizados nos berçários de risco, cujo relato constitui objeto do presente estudo. As intervenções são executadas por alunas de enfermagem, que se reúnem semanalmente com os pais, por 2 horas, desenvolvendo técnicas de dinâmica de grupo, atividades de lazer; oficinas de criatividade envolvendo atividades manuais; discussão de temas básicos. Através dessas novas estratégias de cuidado, espera-se contribuir com o processo de construção de uma assistência mais integral e humanizada na área de neonatologia, tendo como foco a família.

  1. Detección auditiva e intervención tempranas: ¿puede oír su bebé?

    Centers for Disease Control (CDC) Podcasts

    2007-06-15

    Este podcast es una traducción fiel de la conversación original en inglés con la doctora June Holstrum y la audióloga Pam Mason, y habla sobre la importancia de hacer una prueba exploratoria de la audición a todos los bebés tan pronto como sea posible después del nacimiento. También proporciona información que puede ayudar a los padres y proveedores de salud a determinar si un niño tiene pérdida auditiva, y a encontrar recursos adicionales. (Creado el 6/5/2007 por el Programa de Detección Auditiva e Intervención Tempranas del Centro Nacional de Defectos Congénitos y Deficiencias del Desarrollo, NCBDDD).  Created: 6/15/2007 by National Center on Birth Defects and Developmental Disabilities.   Date Released: 6/15/2007.

  2. A vida do bebê: a constituição de infâncias saudáveis e normais nos manuais de puericultura brasileiros

    Directory of Open Access Journals (Sweden)

    Cláudia Amaral dos Santos

    2011-01-01

    Full Text Available Este trabajo tiene por objetivo investigar como el libro A vida do bebê, escrito por el pediatra brasileño Rinaldo De Lamare, fomenta/fomentó biopolíticas dirigidas a las madres hacia la constitución de infancias sanas y normales. Se enfatiza el valor que el manual analisado ejerce/ejerció como función pedagógica, enseñando madres y padres a como actuar hacia sus hijas/hijos, produciendo de ese modo subjetividades, identidades y saberes. A la realización del análisis, fueron utilizados como referencial teórico los Estudios Culturales a partir de una mirada postestructuralista y los escritos de Michel Foucault. Como material de análisis fueron utilizadas dos ediciones del manual. La primera, la 17ª edición (de 1963; y la segunda, la 41ª edición (de 2002. A partir del análisis se verificó la fuerza del discurso de la psicología como forma de subjetivar las madres y la visión evolutiva del desarrollo del niño normal en la publicación que ahora se hace objeto de este estudio.

  3. Sistema embebido orientado a bebés en etapa de gateo para prevención de accidentes aplicado en un textil inteligente

    Directory of Open Access Journals (Sweden)

    Inti Javier Chico Morales

    2018-03-01

    Full Text Available El gateo de los bebés es la forma de descubrir y aprender sus funciones motoras, cognitivas, sociales, emocionales, entre otros. Debido a esto, los infantes se exponen a diferentes peligros como: caídas, quemaduras, lesiones corporales entre las más comunes, donde el hogar es el lugar de mayores incidentes. Debido a lo antes expuesto, la presente investigación se enfoca en el desarrollo de un sistema embebido dentro de un textil inteligente que permita advertir y prevenir accidentes. El sistema se encuentra en una prenda de vestir en forma de arnés que cuentan con una conexión con rodilleras de gateo con sensores magnéticos. Estos elementos son los encargados de detectar cintas de seguridad magnéticas colocadas previamente en lugares de mayor peligro en el hogar. Como resultado, el sistema emite una alerta con un tiempo de reacción de 7,6 segundos, después de ser activado el sistema.

  4. Atención odontológica a un bebé con holoprosencefalía: relato de caso clínico

    Directory of Open Access Journals (Sweden)

    Márcia Cançado Figueiredo

    Full Text Available Ejercer el rol de cuidador de un niño con deformaciones congénitas es una tarea difícil y representa un componente importante dentro de la familia en tanto que esa persona se hace responsable del cuidado de ese ser especial. Para que esto suceda, la conducta de los profesionales del área de la salud frente a este contexto debe ser específica y de calidad, de modo a ofrecer el soporte necesario a la familia/cuidador. Con el fin de promover una atención efectiva, los profesionales deben buscar el conocimiento del síndrome que afecta al paciente, así como su respuesta conductual y sus características mas prevalentes. El presente trabajo tuvo como objetivo presentar el informe de un caso clínico de un paciente bebé del sexo femenino, que requiere de cuidados exclusivos por parte de sus padres, quienes buscaron asistencia en la Universidad Federal de Río Grande do Sul, Brasil, en la disciplina Atención Odontológica al Paciente Necesidades Especiales. También se hace hincapié en el manejo y los cuidados por parte del odontólogo de aquellos pacientes con discapacidad desde el momento de su nacimiento, a fin de proporcionarles los recursos adecuados a través de orientaciones en cuanto a la higiene bucal con el fin de que se pueda instalar y mantener las condiciones de la salud oral, mejorando la calidad de vida de los pacientes con discapacidad

  5. A concepção das mães sobre o desenvolvimento da comunicação mãe-bebê

    Directory of Open Access Journals (Sweden)

    Maria C. D. P. Lyra

    Full Text Available Comparamos duas abordagens teórico-metodológicas distintas e investigamos a concepção que mães apresentam acerca do processo de desenvolvimento da comunicação mãe-bebê. Lyra e colaboradores propõem o modelo EEA, que integra uma seqüência de três padrões de organização do desenvolvimento da comunicação, denominados estabelecimento, extensão e abreviação (EEA. Esse modelo está baseado na observação longitudinal e na análise microgenética de estudos de caso a partir da perspectiva dos sistemas dinâmicos. Utilizando o procedimento de classificação múltipla, investigamos como esses três períodos do desenvolvimento da comunicação (EEA são conceituados pelas mães. Foram pesquisadas 48 mães pertencentes a dois níveis sócio-econômicos. Os resultados encontrados fortalecem o modelo EEA, confirmando: a distinção entre as trocas face-a-face e aquelas mediadas pelo objeto (MOB; a diferenciação dos três períodos do desenvolvimento da comunicação (EEA em ambas as trocas; e a distribuição ordenada (axial desses três períodos, exceto, nesse último caso, para as trocas MOB, quando analisadas separadamente.

  6. Rumo às primeiras palavras: o enquadre na terapia fonoaudiológica do bebê com deficiência auditiva Towards the first words: therapy setting in intervention for babies with hearing loss

    Directory of Open Access Journals (Sweden)

    Renata S. L. Figueiredo

    2012-12-01

    Full Text Available OBJETIVO: descrever e discutir a questão do enquadre no processo terapêutico fonoaudiológico de um bebê deficiente auditivo e suas implicações no método clínico. MÉTODO: estudo de caso por meio de gravações de sessões terapêuticas durante um ano, as quais foram selecionadas, descritas e transcritas conforme método de transcrição proposto por Tait (1992. Foram analisados: contexto das situações de terapia, as técnicas e o método clínico, que contribuíram para o tipo de enquadre terapêutico preconizado e para o desenvolvimento de linguagem da criança estudada. RESULTADOS: o estudo de caso de um bebê deficiente auditivo, identificado no terceiro dia de vida, que iniciou processo terapêutico e indicação de aparelhos de amplificação, com dois meses de idade. Foram problematizadas particularidades do enquadre terapêutico, tais como: espaço físico da sala de terapia, participação da mãe nas sessões. Esses aspectos são fundamentais, mas não suficientes para o atendimento. O espaço potencial que se estabelece na relação terapeuta-mãe-bebê, também abordado no presente estudo, propiciou situações que favoreceram o desenvolvimento de linguagem da criança e ajustes das expectativas da família quanto ao desenvolvimento. As situações propiciadas pelo espaço potencial são montadas para serem interessantes à criança e à mãe, e visam promover o progresso do bebê. CONCLUSÕES: este estudo permitiu explicitar as particularidades do enquadre e as características do processo terapêutico do bebê deficiente auditivo. Demanda, portanto, que a formação do fonoaudiólogo inclua conhecimentos sobre: desenvolvimento infantil dos primeiros anos de vida, processo de construção da relação mãe-bebê, aliados a técnicas terapêuticas que possibilitem transformações no contexto deste enquadre particular.PURPOSE: to describe and discuss the setting in the therapeutic process of a hearing impaired baby and

  7. Signos Vitales de los CDC–El virus del Zika: Cómo proteger a las mujeres embarazadas y los bebés (Zika Virus: Protecting Pregnant Women and Babies)

    Centers for Disease Control (CDC) Podcasts

    2017-04-04

    Este podcast se basa en el informe de Signos Vitales de los CDC de abril del 2017. La infección por el virus del Zika durante el embarazo puede causar defectos de nacimiento graves. Infórmese sobre cómo proteger a los bebés de afecciones relacionadas con el zika.  Created: 4/4/2017 by National Center for Emerging and Zoonotic Infectious Diseases (NCEZID).   Date Released: 4/4/2017.

  8. Polymer density functional theory approach based on scaling second-order direct correlation function.

    Science.gov (United States)

    Zhou, Shiqi

    2006-06-01

    A second-order direct correlation function (DCF) from solving the polymer-RISM integral equation is scaled up or down by an equation of state for bulk polymer, the resultant scaling second-order DCF is in better agreement with corresponding simulation results than the un-scaling second-order DCF. When the scaling second-order DCF is imported into a recently proposed LTDFA-based polymer DFT approach, an originally associated adjustable but mathematically meaningless parameter now becomes mathematically meaningful, i.e., the numerical value lies now between 0 and 1. When the adjustable parameter-free version of the LTDFA is used instead of the LTDFA, i.e., the adjustable parameter is fixed at 0.5, the resultant parameter-free version of the scaling LTDFA-based polymer DFT is also in good agreement with the corresponding simulation data for density profiles. The parameter-free version of the scaling LTDFA-based polymer DFT is employed to investigate the density profiles of a freely jointed tangent hard sphere chain near a variable sized central hard sphere, again the predictions reproduce accurately the simulational results. Importance of the present adjustable parameter-free version lies in its combination with a recently proposed universal theoretical way, in the resultant formalism, the contact theorem is still met by the adjustable parameter associated with the theoretical way.

  9. Alimentação nos primeiros três meses de vida dos bebês de uma coorte na cidade de Pelotas, Rio Grande do Sul Alimentación en los primeros tres meses de vida de los bebés de una coorte en la ciudad de Pelotas, Rio Grande do Sul (Brasil Feeding during the first three months of life for infants of a cohort in Pelotas, Rio Grande do Sul, Brazil

    Directory of Open Access Journals (Sweden)

    Cristina Corrêa Kaufmann

    2012-06-01

    Full Text Available OBJETIVO: Estudar o padrão alimentar nos primeiros três meses de vida de crianças nascidas na cidade de Pelotas (RS. MÉTODOS: Estudo de coorte prospectivo com os bebês nascidos entre setembro de 2002 e maio de 2003, na cidade de Pelotas (RS. Incluíram-se 2.741 bebês nas maternidades e uma amostra aleatória de 30% acompanhada no primeiro e terceiro meses de vida. Foram realizadas análises uni, bi e multivariada. Somente as variáveis com pOBJETIVO: Estudiar el estándar alimentar en los primeros tres meses de vida de niños nascidos en la ciudad de Pelotas (RS, Brasil. MÉTODOS: Estudio de coorte prospectivo con bebés nascidos entre septiembre de 2002 y mayo de 2003, en la ciudad de Pelotas (RS, Brasil. Se incluyó a 2.741 bebés en las maternidades y una muestra aleatoria de 30%, seguida en el primero y el tercero meses de vida. Se realizaron análisis uni, bi y multivariados, y solamente las variables con pOBJECTIVE: To study the feeding pattern in the first three months of babies born in the Pelotas city, in Sothern Brazil. METHODS: Prospective cohort study, with babies born between september 2002 and may 2003. Among 2,741 babies whose mothers were interviewed at the maternity ward, a random sample of 30% was followed up on the first and third months of age. Univariate, bivariate and multivariate analyses were applied. Variables with a p<0.05 were considered as associated. RESULTS: 951 babies were followed up on the first month, 60% were under exclusive maternal breastfeeding, and 10% were already weaned. Smoking during pregnancy, father's educational level lower than four years and the use of a pacifier were associated to weaning. On the third month, 29% had been weaned, 39% received maternal milk exclusively, and 59% were bottle fed. Smoking during pregnancy, father schooling and the use of a pacifier were associated with weaning. There was an increase in the pacifier use - from 56 to 66% between the first and the third month of

  10. “Mas os bebês fazem o quê no berçário, heim?” : documentando ações de comunicação, autonomia e saber-fazer de crianças de 6 a 14 meses em contextos de vida coletiva

    OpenAIRE

    Paulo Sergio Fochi

    2013-01-01

    Este estudo se ocupou em investigar sobre quais ações dos bebês com idade entre 06 e 14 meses emergiam de suas experiências com o mundo em contextos de vida coletiva. A partir desta pergunta, também se procurou discutir sobre como as ações dos bebês problematizam o professor desta faixa etária e de que forma se pode pensar no conhecimento pedagógico diante deste cenário. A Pedagogia nesta pesquisa é o campo de conhecimento escolhido e, em virtude disso, utilizou-se como metodologia a abordage...

  11. Bioanálisis predictivo de tolerancia dérmica de cosméticos para bebés in vivo

    Directory of Open Access Journals (Sweden)

    Flor Ángela Tobón Marulanda

    Full Text Available Objetivo: prever el riesgo potencial de irritabilidad dérmica de una crema y una loción para bebés, con el fin de obtener el registro sanitario y disminuir la eventualidad de riesgo para la salud. Métodos: se realizó el bioanálisis predictivo de tolerancia dérmica in vivo en conejos, a través de un estudio de tipo exploratorio clínico cualitativo e histopatológico, basado en el enfoque de la ley del Arte para explicar el riesgo/efectividad comparable en humanos. Se aplicó la técnica de exposición aguda simple (prueba parche oclusivo en seis conejos, por cada producto. Se estimaron los efectos dérmicos mediante una escala de valores que define la probabilidad de inseguridad atribuible por la exposición al cosmético, según prueba de toxicidad dérmica de la Organización para la Cooperación Económica y Desarrollo 2004 (OCED, con ciertas modificaciones por los autores. Resultados: en el bioanálisis se encontró cierta irritabilidad dérmica en la piel de los conejos al aplicarles el cosmético en una dosis única por 92 días. El estudio clínico se complementó con el análisis histopatológico de una muestra de piel irritada y no mostró cambios significativos a los observados. Conclusiones: el bioanálisis clínico e histopatológico permite inferir una irritabilidad dérmica entre insignificante y leve, lo que sugiere la necesidad de mejorar la formulación de los cosméticos estudiados para obtener el registro sanitario, y así alertar tempranamente al productor y a la comunidad de la seguridad y eficacia de los productos.

  12. Chitosan-based delivery systems for diclofenac delivery: preparation and characterization

    International Nuclear Information System (INIS)

    Dreve, Simina; Kacso, Irina; Bratu, Ioan; Indrea, Emil

    2009-01-01

    The preparation and characterization of novel materials for drug delivery has rapidly gained importance in development of innovative medicine. The paper concerns the uses of chitosan as an excipient in oral formulations and as a drug delivery vehicle for burnt painful injuries. The use of chitosan (CTS) as base in polyelectrolyte complex systems, to prepare liquid release systems as hydrogels and solid release systems as sponges is presented. In this paper the preparation of CTS hydrogels and sponges carrying diclofenac (DCF), as anti-inflammatory drug is reported. The immobilization of DCF in CTS is done by mixing the CTS hydrogel with the anti-inflammatory drug solutions. The concentration of anti-inflammatory drug in the CTS hydrogel generating the sponges was of 57 mg/l, 72 mg/l and 114 mg/l. The CTS sponges with anti-inflammatory drugs were prepared by freeze-drying at -610 0 C and 0,09 atm. The characterization of the hydrogels and sponges was done by infrared spectra (FTIR) and ultraviolet-visible spectroscopy (UV-VIS). The results indicated the formation of CTS-DCF intermediates. The DCF molecules are forming temporary chelates in CTS hydrogels and sponges and they are compatible with skin or some of biological fluids with satisfactory results.

  13. Chitosan-based delivery systems for diclofenac delivery: preparation and characterization

    Energy Technology Data Exchange (ETDEWEB)

    Dreve, Simina; Kacso, Irina; Bratu, Ioan; Indrea, Emil, E-mail: simina.dreve@itim-cj.r [National Institute for Research and Development of Isotopic and Molecular Technologies, 65-103 Donath, 400293 Cluj-Napoca (Romania)

    2009-08-01

    The preparation and characterization of novel materials for drug delivery has rapidly gained importance in development of innovative medicine. The paper concerns the uses of chitosan as an excipient in oral formulations and as a drug delivery vehicle for burnt painful injuries. The use of chitosan (CTS) as base in polyelectrolyte complex systems, to prepare liquid release systems as hydrogels and solid release systems as sponges is presented. In this paper the preparation of CTS hydrogels and sponges carrying diclofenac (DCF), as anti-inflammatory drug is reported. The immobilization of DCF in CTS is done by mixing the CTS hydrogel with the anti-inflammatory drug solutions. The concentration of anti-inflammatory drug in the CTS hydrogel generating the sponges was of 57 mg/l, 72 mg/l and 114 mg/l. The CTS sponges with anti-inflammatory drugs were prepared by freeze-drying at -610{sup 0}C and 0,09 atm. The characterization of the hydrogels and sponges was done by infrared spectra (FTIR) and ultraviolet-visible spectroscopy (UV-VIS). The results indicated the formation of CTS-DCF intermediates. The DCF molecules are forming temporary chelates in CTS hydrogels and sponges and they are compatible with skin or some of biological fluids with satisfactory results.

  14. Serious game e-Baby-Família: tecnologia educacional digital direcionada a oxigenação de bebês pré-termo desenvolvida junto ao pais

    OpenAIRE

    Marcela Mobiglia D\\'Agostini

    2015-01-01

    Mundialmente, estima-se que nasçam, por ano, 15 milhões de bebês pré-termo com alto risco de morbi-mortalidade neonatal, pós-neonatal e durante a infância, devido à imaturidade dos órgãos/sistemas, principalmente respiratório. Tanto que, re-hospitalizações, por afecções respiratórias, são comuns nesta população. Objetivou-se desenvolver uma tecnologia educacional digital, serious game, em e-learning e m-learning, que possua subsídios para suprir as necessidades de aprendizagem dos pais...

  15. Bebês: o irresistível poder da graciosidade. Um estudo sobre o significado evolutivo dos traços infantis Babies: the irresistible power of cuteness. A study concerning the evolutionary function of infantile traits

    Directory of Open Access Journals (Sweden)

    Monique Leitão

    2010-04-01

    Full Text Available Os bebês, em geral, despertam ternura e comportamentos de cuidado nas pessoas. O objetivo deste trabalho foi discutir a atração provocada pelos traços infantis, tendo como referencial teórico os quatro níveis de explicação de Tinbergen. Do ponto de vista dos mecanismos que desencadeiam essa atração neonatal, avaliamos a importância da aparência do infante para eliciar as respostas de cuidado parental. Considerando a função adaptativa desta característica, discutimos os processos evolutivos que moldaram as preferências pelos atributos infantis, além da história filogenética do favoritismo pelos sinais morfológicos de filhotes. Apresentamos, ainda, dados sobre o desenvolvimento deste traço comportamental ao longo da vida. Tomadas em conjunto, estas informações provêem uma análise de por que achamos os bebês tão irresistíveis.Babies generally elicit tenderness and caretaking behaviors on people. The aim of this study is to discuss the attraction towards babyish features, taking Tinbergen's four questions as a theoretical benchmark. Concerning the mechanisms implicated in this neonatal attraction, we evaluated the importance of children´s morphology on eliciting parental responses. Considering the adaptive function of this characteristic, we discuss the evolutionary process that shaped the preferences towards infantile traits as well as the phylogeny of the preference towards infant´s morphological traits. It was also presented data about the development of this behavioral trait across life span. The information provided here suggests a reason why we find babies such irresistible creatures.

  16. Experiências de médicos ao comunicarem o diagnóstico da deficiência de bebês aos pais = Physicians’ experiences when communicating the diagnosis of infants’ disability to parents

    Directory of Open Access Journals (Sweden)

    Luisada, Valquíria

    2015-01-01

    Full Text Available Objetivo: O presente estudo teve como objetivo investigar os sentimentos e vivências de médicos ao transmitirem a notícia de uma deficiência aos pais, no nascimento do bebê, assim como o preparo/formação que receberam para atuarem neste momento. Material e Métodos: O estudo teve abordagem qualitativa e exploratória, a partir da técnica de entrevista semiestruturada. A pesquisa foi realizada com 10 médicos, entre Obstetras e Neonatologistas na cidade de São Paulo/ SP. As entrevistas foram analisadas e seus resultados discutidos em três diferentes categorias: a Notícia, Sentimentos e Preparo Profissional. Resultados: Os médicos relatam dificuldades ao comunicar os pais sobre a deficiência dos bebês e pensam em estratégias variadas, como falar ao casal; falar apenas para a mãe, falar imediatamente após o parto, esperar algum tempo; revelam tristeza e inexistência de preparo durante a formação em medicina. Conclusão: Foram sinalizadas abordagens inadequadas e ineficazes, e o despreparo e dificuldades na comunicação da notícia, associados à falta de formação acadêmica para desempenhar esta tarefa. Conclui-se que os principais sentimentos vivenciados são a tristeza, a angústia e a solidariedade, com consequências físicas e emocionais para o profissional e, provavelmente, para a família dos pacientes

  17. A importância da intervenção precoce com pais de bebês que nascem com alguma deficiência The importance of early intervention with parents of babies who are born with a deficiency

    Directory of Open Access Journals (Sweden)

    Carla Anauate

    2007-01-01

    Full Text Available O presente trabalho, à luz da teoria de Winnicott, que elucida a importância do ambiente e da relação interpessoal para a constituição de um ser humano saudável, pretende apresentar uma proposta de intervenção para trabalhar com os pais de bebês que nascem com alguma deficiência. É no apontar a dois que se confirma a realidade, que se vê nos olhos do outro o seu próprio olhar. Para tanto, o primeiro cuidador, instrumentalizado com informações e orientações poderá propiciar meios para que esse bebê se desenvolva plenamente. Respeitando as suas iniciativas espontâneas e originais, seu modo de se expressar, e sendo contingente em retorno, proporcionará a essa criança um sentido de aceitação e de compreensão de suas expressões, inserindo-a adequadamente no meio circundante.The present article, using Winnicott's theory as a background, which elucidates the importance of the environment and of social relations to constitute a healthy human being, intends to present an intervention proposal with parents of a newborn deficient baby. It is by pointing at reality two by two that one sees in the eyes of the other his own eyes. In spite of this, the first caregiver, instructed with information and orientations, will be able to offer conditions for this deficient baby to develop himself completely. It is by respecting the spontaneous and original initiatives of the baby, his own way of expressing himself, and by being contingent in return, that this child will be able to acknowledge a sense of acceptance and comprehension of his own expressions, positioning him adequately into the environment.

  18. Relato da história da inserção e evolução do atendimento psicológico a bebês e suas famílias em uma Unidade de Neonatologia The history of the inception and evolution of psychological care for infants and their families in a Neonatal Unit

    Directory of Open Access Journals (Sweden)

    Maria Silvia V. Setúbal

    2009-09-01

    Full Text Available OBJETIVO: Este artigo apresenta o histórico de atuação de uma psicóloga na área de Neonatologia e sua evolução, desde as primeiras tentativas de mudar certas rotinas da unidade para que favorecessem a humanização do atendimento até a sua completa inserção na equipe multidisciplinar. São descritas em detalhes as atuações específicas junto aos bebês e suas famílias no contexto da internação hospitalar, com o intuito de auxiliar os profissionais de saúde que trabalham na área de implementação de programas afins. DESCRIÇÃO DO CASO: Relato da história de inserção e da evolução do trabalho de uma psicóloga na equipe de Neonatologia do Centro de Atenção Integral à Saúde da Mulher (CAISM da Universidade Estadual de Campinas (Unicamp, num período de dez anos (1993 a 2003. Descrevem-se as atividades específicas da Psicologia, o embasamento teórico dos programas desenvolvidos na unidade e os recursos técnicos utilizados no atendimento à clientela. COMENTÁRIOS: O saber específico do psicólogo pode ser estendido a toda a equipe, favorecendo ações de prevenção em Saúde Mental, principalmente a proteção da relação mãe-bebê. Além disso, pode ser disseminado, ganhar relevância e fazer parte do cotidiano de todas as unidades de terapia neonatais.OBJECTIVE: This article describes the evolution of a psychologist's work in a Neonatal Care Unit, from simple interventions that changed certain routines to foster humanization of care, to the complete integration of this professional into the multidisciplinary neonatal team. Detailed descriptions of the work's implementation in the hospital setting offer health professionals of the field a model for similar programs. CASE DESCRIPTION: The history of the inception and evolution of a psychologist's work at the Neonatal Care Unit of Universidade Estadual de Campinas in a ten-year period (1993 to 2003 was described. Specific activities developed within this period have

  19. O envolvimento do enfermeiro no processo de morrer de bebês internados em Unidade Neonatal El involucramiento del enfermero en el proceso de morir de niños hospitalizados en una unidad de neonatología Nurses experiences with death in the neonatal intensive care unit

    Directory of Open Access Journals (Sweden)

    Isabella Rocha Aguiar

    2006-06-01

    Full Text Available OBJETIVO: compreender a participação do enfermeiro no processo de morrer de bebês internados em unidade de terapia intensiva neonatal. MÉTODOS: Pesquisa Qualitativa em que participaram 10 enfermeiras de uma unidade de terapia intensiva neonatológica de um hospital-escola da cidade de Fortaleza-CE, durante os meses de maio e junho de 2003. RESULTADOS: os resultados foram analisados conforme as categorias: Sentimentos que emergem na convivência com a morte; Convivendo com a família no processo de morrer; A influência da formação acadêmica para a convivência com o paciente terminal. Os sentimentos citados foram de perda, tristeza, angústia, impotência, frieza. Os profissionais se vêem envolvidos com a família que vivencia o luto. A maioria das enfermeiras não teve embasamento acerca de Tanatologia no Curso de Graduação. CONCLUSÃO: os profissionais que lidam com a morte em sua prática convivem com a busca do equilíbrio entre o cuidar do outro e de si mesmo.OBJETIVO: comprender la participación del enfermero en el proceso de morir de bebés internados en una unidad de cuidados intensivos neonatal. MÉTODOS: Pesquisa Qualitativa en que participaron en el estudio 10 enfermeras de la unidad de cuidados intensivos neonatal de un hospital-docente de la ciudad de Fortaleza-CE, durante los meses de mayo a junio del 2003. RESULTADOS: los datos fueron analizados resultando las siguientes categorías: Sentimientos que emergen en la convivencia con la muerte; Conviviendo con la familia en el proceso de morir; La influencia de la formación académica para la convivencia con el paciente terminal. Los sentimientos citados fueron de pérdida, tristeza, angustia, impotencia, frialdad. Los profesionales se ven involucrados con la familia que vivencia el duelo. La mayoría de las enfermeras no tuvo base respecto a Tanatología en el Pregrado. CONCLUSIÓN: los profesionales que se enfrentan con la muerte, en su práctica, conviven con la b

  20. Does Accrual Management Impair the Performance of Earnings-Based Valuation Models?

    OpenAIRE

    Lucie Courteau; Jennifer L. Kao; Yao Tian

    2013-01-01

    This study examines empirically how the presence of accrual management may affect firm valuation. We compare the performance of earnings-based and non-earnings-based valuation models, represented by Residual Income Model (RIM) and Discounted Cash Flow (DCF), respectively, based on the absolute percentage pricing and valuation errors for two subsets of US firms: “Suspect” firms that are likely to have engaged in accrual management and “Normal” firms matched on industry, year and size. Results ...

  1. Interação mãe-bebê em contexto de depressão materna: aspectos teóricos e empíricos Mother-baby interaction in the context of maternal depression: theoretical and empirical issues

    Directory of Open Access Journals (Sweden)

    Giana Bitencourt Frizzo

    2005-04-01

    Full Text Available O presente estudo teve por objetivo revisar a literatura sobre a interação mãe-bebê em situação de depressão materna. Em particular, buscou-se analisar os diversos fatores que podem mediar o impacto da depressão materna no desenvolvimento do bebê, dentre eles a idade da criança, o seu temperamento, a cronicidade do episódio depressivo materno e o estilo interativo da mãe deprimida. A literatura revisada revela que a depressão afeta não só a mãe, mas também o bebê e até mesmo o próprio pai, em vista da influência deste quadro no contexto familiar. Alguns estudos sugerem ainda que a presença do pai e a ausência de conflitos conjugais são fatores que podem amenizar os efeitos da depressão materna para o bebê.The aim of the present study was to review the literature on mother-infant interaction in the context of maternal depression. Particularly, it aimed to examine several factors that could mediate the maternal depression impact on infant development, such as the child's age and temperament, the chronicity of the maternal depression episode and the depressed mother's interaction style. The literature reviewed shows that depression affects not only the mother, but also the baby and even the father, because of its influence on the family context. Some studies also suggest that the father's presence, as well as, the absence of marital conflict , may buffer the maternal depression effects on the baby.

  2. Ensinando o pai a brincar com seu bebê com síndrome de Down Teaching the father how to play with his baby with Down's syndrome

    Directory of Open Access Journals (Sweden)

    Nancy Capretz Batista da Silva

    2012-03-01

    Full Text Available Os membros da família de uma pessoa com necessidades educacionais especiais podem precisar de assistência e deveriam ser clientes de serviços e intervenções profissionais. Embora as mães sejam o principal cuidador da criança em contato com os programas de intervenção precoce, estudos têm cada vez mais mostrado a importância do pai e de sua participação. Este estudo teve como objetivo avaliar se uma intervenção direcionada ao pai altera seus padrões de interações diádicas com seu bebê com síndrome de Down em situações de brincadeira. Foi utilizado o Protocolo de Categorias de Análise das Filmagens de Interação na análise de cinco filmagens de interação: duas antes, uma durante, uma após a intervenção e uma de follow-up. O pai participou de treino de comportamentos para o desenvolvimento do bebê, com orientações sobre como estimular a criança. Houve o aumento na frequência de comportamentos positivos após o feedback fornecido aos pais e ao longo da intervenção até o final desta, indicando um efeito positivo das orientações fornecidas. As mães, que não passaram pelo treino, não tiveram os mesmos ganhos. Contudo, os efeitos nos pais não se mantiveram no follow-up. As crianças também passaram a exibir mais comportamentos positivos em interação. Conclui-se que os objetivos foram alcançados e que é possível envolver o pai nos programas de intervenção precoce visando ao melhor desenvolvimento de bebês com atraso.Family members of a person with special educational needs may need assistance and should be customers of professional services and interventions. Although mothers are the child primary caregiver in touch with early intervention programs, studies have increasingly shown the importance of fathers and their participation. This study aimed to evaluate whether an intervention directed at fathers changes their patterns of dyadic interactions with their baby with Down syndrome in play situations

  3. Preferência manual na ação de alcançar em bebês em função da localização espacial do alvo Infants' manual preference in reaching regarding spatial target location

    Directory of Open Access Journals (Sweden)

    Rosana Machado Souza

    2011-01-01

    Full Text Available Preferência manual em bebês de 5 meses de idade foi avaliada em tarefas de alcançar alvos estáticos posicionados na linha média, à direita e à esquerda com referência a coordenadas egocêntricas. A análise da frequência de uso das mãos indicou direção e magnitude de preferência manual diversificadas entre os bebês. Foi observado que os bebês realizaram predominantemente alcances ipsilaterais para alvos posicionados lateralmente. Para alcances na linha média a frequência de uso foi semelhante entre as mãos direita e esquerda. Os resultados sugerem que nessa fase do desenvolvimento a preferência manual para o alcançar é alterada pela posição dos objetos no espaço.Manual preference of 5-month-old infants was evaluated in tasks of reaching static targets positioned on the midline, at the left and right, regarding egocentric coordinates. Frequency analysis of using the hands pointed out to diversified direction and magnitude of manual preference among infants. It was observed that they predominantly made ipsilateral reaches toward targets laterally positioned. Frequency of using the right and left hands was similar for targets located at the midline. The results suggest that in this stage of development manual preference is shifted by the spatial position of the objects.

  4. Evoluções motoras e linguísticas de bebês com atraso de desenvolvimento na perspectiva de mães Motor and language development of babies with delayed development from the mothers' perspective

    Directory of Open Access Journals (Sweden)

    Tatiany Hekavei

    2009-04-01

    Full Text Available O presente estudo teve por objetivo investigar a evolução do desenvolvimento motor e de linguagem em bebês com atraso de desenvolvimento a partir da perspectiva materna. Participaram do estudo seis mães de bebês com atraso de desenvolvimento. A pesquisa foi realizada numa instituição com programa de intervenção precoce e em ambiente domiciliar. Foram feitas entrevistas com as mães, por meio de um roteiro semiestruturado. O modo de compreensão das mães, tanto do processo de desenvolvimento motor, quanto linguístico dos filhos, indicou uma evolução no desenvolvimento dessas crianças. Uma das provas disso, foi a forma como essas mães se referiram ao desenvolvimento das crianças, antes destas ingressarem no programa de intervenção precoce e no momento atual. Conhecer e valorizar as percepções trazidas pelos cuidadores e particularmente pelas mães, implica em ampliar o entendimento dos seus saberes e práticas. Estes valores, por sua vez, podem ser utilizados no sentido de favorecer todo o processo de desenvolvimento infantil.The aim of the present study was to investigate the evolution of motor and language development in developmentally delayed babies from the mother's perspective. Six mothers of developmentally delayed babies participated in the study. This study was conducted in an institution that had an early intervention program and in the home environment. Interviews with the mothers were conducted using a semi-structured questionnaire. The way the mothers understood both their children's processes of motor and language development was indicative of an evolution in these children's development. The ways these mothers reported on the development of the children before they entered the early intervention program and at present is evidence to this effect. To know and to value the perception that caretakers have about their children has to do with broadening their understanding and practices. These values, in turn, can be

  5. Verbal contents expressed by mothers of preterm infants with clinical emotional symptoms Contenido verbal expresado por las madres de bebés prematuros con síntomas emocionales clínicos Conteúdos verbais expressos por mães de bebês prematuros com sintomas emocionais clínicos

    Directory of Open Access Journals (Sweden)

    Luciana Leonetti Correia

    2008-02-01

    ás expresiones referentes a la primera categoría que el Grupo MSIE. La identificación de los sentimientos y reacciones de las madres de neonatos prematuros y de los síntomas emocionales clínicos deben ser incluidas para realizar una adecuada intervención en el desarrollo individualizado del bebé en una UTIN.O objetivo do estudo foi caracterizar os conteúdos verbais maternos expressos durante intervenção de apoio psicológico. A amostra foi composta por 20 mães de neonatos pré-termo com muito baixo peso, internados em UTI Neonatal, distribuída em 10 mães com indicadores clínicos emocionais (MCIE e 10 mães sem estes indicadores (MSIE, avaliadas pelos Inventários de Depressão de Beck e de Ansiedade Traço-Estado. As verbalizações maternas expressas no grupo de apoio foram gravadas, transcritas e categorizadas. Os resultados mostraram que as categorias sobre sentimentos ou reações maternas com conotação negativa ou conotação positiva e comunicação com a equipe de saúde foram as mais freqüentes. Na comparação entre os grupos, o Grupo MCIE verbalizou mais expressões referentes à primeira categoria quando comparado ao Grupo MSIE. A identificação dos sentimentos e reações de mães de neonatos pré-termo e dos sintomas emocionais clínicos deve ser incluída para adequada intervenção em cuidado desenvolvimental em UTIN.

  6. Intravascular atherosclerotic imaging with combined fluorescence and optical coherence tomography probe based on a double-clad fiber combiner

    Science.gov (United States)

    Liang, Shanshan; Saidi, Arya; Jing, Joe; Liu, Gangjun; Li, Jiawen; Zhang, Jun; Sun, Changsen; Narula, Jagat; Chen, Zhongping

    2012-07-01

    We developed a multimodality fluorescence and optical coherence tomography probe based on a double-clad fiber (DCF) combiner. The probe is composed of a DCF combiner, grin lens, and micromotor in the distal end. An integrated swept-source optical coherence tomography and fluorescence intensity imaging system was developed based on the combined probe for the early diagnoses of atherosclerosis. This system is capable of real-time data acquisition and processing as well as image display. For fluorescence imaging, the inflammation of atherosclerosis and necrotic core formed with the annexin V-conjugated Cy5.5 were imaged. Ex vivo imaging of New Zealand white rabbit arteries demonstrated the capability of the combined system.

  7. Efeito da intervenção em esteira motorizada na aquisição da marcha independente e desenvolvimento motor em bebês de risco para atraso desenvolvimental Efecto de la intervención en caminadora automática en la adquisición de la marcha independiente y desarrollo motor en bebés de riesgo para retraso de desarrollo Treadmill training effects on walking acquisition and motor development in infants at risk of developmental delay

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    Diana Xavier C. Schlittler

    2011-03-01

    Full Text Available OBJETIVO: Examinar o efeito de intervenção em esteira motorizada na idade de aquisição da marcha independente em bebês de risco para atraso de desenvolvimento. MÉTODOS: Estudo experimental com 15 lactentes a partir do 5º mês de idade, sendo cinco deles com risco de atraso de desenvolvimento submetidos a sessões de fisioterapia e intervenção em esteira motorizada (Grupo Experimental; cinco com risco de atraso de desenvolvimento submetidos apenas a sessões de fisioterapia (Grupo Controle de Risco; e cinco bebês sem risco de atraso (Grupo Controle Típico. As sessões de fisioterapia ocorreram duas vezes por semana, seguidas de intervenção em esteira motorizada para o grupo experimental. Todos os bebês foram avaliados mensalmente pela Alberta Infant Motor Scale e os participantes do grupo experimental foram filmados durante a realização das passadas na esteira. Comparações entre os grupos ao longo do tempo foram realizadas por análise de variância (ANOVA e de multivariância (MANOVA. RESULTADOS: Os bebês do Grupo Experimental adquiriram a marcha independente aos 12,8 meses e os do Grupo Controle de Risco aos 13,8 meses de idade corrigida, sendo que a aquisição do Grupo Controle de Risco ocorreu mais tarde em relação ao Grupo Controle Típico (1,1 meses; pOBJETIVO: Examinar el efecto de intervención en caminadora automática en la edad de adquisición de la marcha independiente en bebés de riesgo para retraso de desarrollo. MÉTODOS: Estudio experimental de 15 lactantes a partir del 5º mes de edad, siendo 5 con riesgo de retraso de desarrollo sometidos a sesiones de fisioterapia e intervención en caminadora automática (grupo experimental; 5 de riesgo de retraso de desarrollo sometidos solamente a sesiones de fisioterapia (grupo control de riesgo; y 5 bebés sin riesgo de retraso (grupo control típico. Las sesiones de fisioterapia ocurrieron 2 veces en la semana, seguidas de intervención en caminadora autom

  8. First-line dose-dense chemotherapy with docetaxel, cisplatin, folinic acid and 5-fluorouracil (DCF) plus panitumumab in patients with locally advanced or metastatic cancer of the stomach or gastroesophageal junction: final results and biomarker analysis from an Italian oncology group for clinical research (GOIRC) phase II study.

    Science.gov (United States)

    Tomasello, Gianluca; Valeri, Nicola; Ghidini, Michele; Smyth, Elizabeth C; Liguigli, Wanda; Toppo, Laura; Mattioli, Rodolfo; Curti, Alessandra; Hahne, Jens C; Negri, Federica M; Panni, Stefano; Ratti, Margherita; Lazzarelli, Silvia; Gerevini, Fabiana; Colombi, Chiara; Panni, Andrea; Rovatti, Massimo; Treccani, Leonardo; Martinotti, Mario; Passalacqua, Rodolfo

    2017-12-19

    Survival for patients with advanced gastroesophageal cancer (AGC) using standard treatment regimens is poor. EGFR overexpression is common in AGC and associated with poor prognosis. We hypothesized that increasing the dose intensity of chemotherapy and adding panitumumab could improve efficacy. HER2 negative, PS 0-1 patients, received up to 4 cycles of panitumumab 6 mg/kg d 1, docetaxel 60 mg/m2 d 1, cisplatin 50 mg/m2 d 1, l-folinic acid 100 mg/m2 d 1-2, followed by 5-FU 400 mg/m2 bolus d 1-2, and then 600 mg/m2 as a 22 h c.i. on d 1-2, q15 d, plus pegfilgrastim 6 mg on d 3. Patients with disease control after 4 cycles received panitumumab until progression. From 05/2010 to 01/2014, 52 patients (75% male; median age 64.5 y; metastatic 90%, locally advanced 10%; 96% adenocarcinoma; 25% GEJ) were recruited. Three CR, 29 PR, 10 SD and 8 PD were observed, for an ORR by ITT (primary endpoint) of 62% (95% CI, 48%-75%) and a DCR of 81%. Median TTP was 4.9 months (95% CI, 4.2-7.0) and mOS 10 months (95% CI, 8.2- 13.5). Most frequent G3-4 toxicities: leucopenia (29%), asthenia (27%), skin rash (25%), neutropenia (19%), anorexia (17%), febrile neutropenia (13%), and diarrhea (15%). EGFR expression tested both with dd-PCR and FISH was not associated with any significant clinical benefit from treatment. Dose-dense DCF plus panitumumab is an active regimen. However, the toxicity profile of this limits further development. Further research on predictive biomarkers for treatment efficacy in AGC is required.Clinical trial information: 2009-016962-10.

  9. Avaliação eletromiográfica da sucção em bebês com síndrome de Down Electromyographic evaluation of sucking in infants with Down syndrome

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    Patricia Noriko Ideriha

    2007-09-01

    Full Text Available OBJETIVO: Verificar a eficácia do trabalho fonoaudiológico na função da sucção em bebês com síndrome de Down por meio da eletromiografia de superfície. MÉTODOS: Em cada grupo (pesquisa e controle participaram cinco bebês do gênero masculino e três do feminino, com idades entre seis e dez meses, diferenciando-se pelo diagnóstico da síndrome de Down. A pesquisa foi realizada em três fases: a avaliação inicial (avaliação clínica do sistema estomatognático e de eletromiografia de superfície - provas de repouso habitual, sucção de mamadeira e retirada de papinha da colher; b processo terapêutico; c reavaliação. O grupo controle participou apenas da primeira e terceira fases. RESULTADOS: Os dados eletromiográficos mostraram diferença estatisticamente significante entre as provas de repouso habitual e mamadeira/papinha. No repouso habitual, recrutam-se poucas unidades motoras, em comparação aos demais movimentos realizados pelos músculos. CONCLUSÃO: A eletromiografia de superfície não permitiu verificar a diferença da contração do músculo orbicular da boca, antes e após a terapia, nem entre os grupos pesquisados, pois os movimentos não recrutaram unidades motoras suficientes para detectar as diferenças esperadas. Entretanto observou-se melhora dos aspectos observados através da avaliação fonoaudiológica clínica.PURPOSE: To verify the efficacy of myofunctional intervention on the sucking function of infants with Down syndrome using the surface electromyography. METHODS: Five male and three female infants with ages from six to ten months were paired in a study and a control groups, which were differentiated only by the diagnosis of Down syndrome. The research was carried out in three phases: a initial assessment (clinical evaluation of the stomatognathic system and surface electromyography - tasks of habitual rest, bottle sucking and taking puree from the spoon; b therapeutic process; c reassessment. The

  10. Tecendo as teias do abandono: além das percepções das mães de bebês prematuros Weaving the web of abandonment: beyond the perceptions of mothers of preterm infants

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    Rosangela Torquato Fernandes

    2011-10-01

    Full Text Available O objetivo foi analisar a rede de eventos envolvidos na intenção de abandono de bebês prematuros por suas mães. Pesquisa qualitativa realizada com 12 mães de prematuros internados na UTIN, do HUUMI. As técnicas foram entrevistas semiestruturadas e grupo focal realizados na internação e no ambulatório de seguimento. Amostra definida pelos critérios de saturação, a partir da repetição das falas. Utilizou-se análise de conteúdo na modalidade de análise temática. Resultados evidenciaram as dificuldades em ser mãe de prematuros e diversas formas de abandono em suas histórias de vida: abandono familiar, abandono social, abandono do companheiro que podem ter contribuído para a manifestação da intenção de abandono e/ou negligência materna. O abandono familiar materno foi evidenciado na infância, adolescência, na gravidez e no período de internação do bebê. Destacando-se a percepção do cuidado como obrigação materna, levando à construção do tipo idealizado de que boa mãe é a que cuida e não abandona. Redes de suporte podem empoderá-las facilitando a construção de vínculos e levando ao desejo de não abandonar. Conclui-se que existe uma rede de eventos e fenômenos sociais, familiares e políticos que contribuem para a intenção ou a efetiva realização do abandono. A mãe abandonada pode ser uma mãe abandonante.The scope of this study was to analyze the events involved in preterm infant abandonment by their mothers. A qualitative study was carried out with 12 mothers of preterm infants interned in the NICU of the Federal University of Maranhão - Brazil. The techniques were semi-structured interviews and a focus group performed during internment and in follow-up in the outpatient unit. The sample was defined according to saturation criteria. Content analysis was utilized by thematic scrutiny. The results showed several modes of abandonment in the mothers' life history: abandonment by relatives, social

  11. Relationship between maternal periodontal disease and birth of preterm low weight babies Associação entre doença periodontal materna e nascimento de bebês prematuros e de baixo peso

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    Renata Tolêdo Alves

    2006-12-01

    Full Text Available It has been recently suggested that periodontal disease is an associated factor for prematurity and low birth weight. The aim of this work was to assess the periodontal status of puerperae and determine its possible relationship with preterm low birth weight (PLBW delivery. The sample included 59 women seen at two maternity hospitals in Juiz de Fora, MG, Brazil. Nineteen mothers had premature and low birth weight babies (gestational age below 37 weeks and birth weight below 2,500 g - group I, and 40 had mature, normal weight babies (gestational age over 37 weeks and birth weight over 2,500 g - group II. The mothers' data were obtained from medical files, interview, and periodontal clinical examination carried out up to 48 hours after delivery. The Periodontal Screening and Recording (PSR was used for periodontal assessment. The association between periodontal disease and PLBW was expressed as odds ratio (OR. There was a higher rate of periodontal disease in group I (84.21% - 16/19 as compared with group II (37.5% - 15/40. The data also showed a significant association between periodontal disease and PLBW (OR = 8.9 - 95% CI: 2.22-35.65 - p = 0.001. It was concluded that maternal periodontal disease was an associated factor for prematurity and low birth weight in this sample.Estudos recentes sugerem que a doença periodontal é um fator associado para prematuridade e baixo peso ao nascimento. O objetivo deste trabalho foi avaliar a condição periodontal de puérperas e determinar sua possível associação com nascimentos prematuros e de baixo peso (NPBP. A amostra incluiu 59 mães atendidas em duas maternidades de Juiz de Fora, MG. Dentre essas, 19 tiveram bebês prematuros e de baixo peso (idade gestacional menor que 37 semanas e peso ao nascimento menor que 2.500 g - grupo I e 40 tiveram bebês a termo e de peso normal (idade gestacional maior que 37 semanas e peso ao nascimento maior que 2.500 g - grupo II. Os dados das mães foram obtidos

  12. Nacidos para salvar. Un análisis constitucional del «bebé medicamento» // Born to save. A constitutional analysis of the “saviour sibling”

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    Fernando Pinto Palacios

    2016-12-01

    Full Text Available Resumen La Ley 14/2006, de 14 de mayo, de Técnicas de Reproducción Humana Asistida introdujo por primera vez en el ordenamiento jurídico español la técnica del «bebé medicamento». Esta revolución biotecnológica permite la creación de un donante ad hoc para satisfacer las necesidades terapéuticas de un hermano gravemente enfermo. El objetivo de este trabajo consiste en analizar aquellos derechos, intereses o valores con relevancia constitucional que se ven afectados durante el desarrollo de este proceso científico. A tal efecto, nos centramos en el estatuto jurídico-constitucional del embrión in vitro, el derecho a la protección de la salud del hijo enfermo y el derecho a la reproducción de los padres. Abstract Law 14/2006 of May 14, on Assisted Human Reproduction Techniques, introduced firstly in the Spanish legal system the technique of the «saviour sibling». This biotechnology revolution allows the creation of an ad hoc donor to satisfy the therapeutic needs of a seriously ill sibling. The aim of this work consists of an analysis of the rights, interests or values with constitutional relevance that are concerned during the development of the scientific process. For this purpose, we will focus on the legal and constitutional status of the in vitro embryo, the ill child’s health protection right and the parents’ reproduction right.

  13. Los cuerpos ficticios de la biomedicina. El proceso de construcción del género en los protocolos médicos de asignación de sexo en bebés intersexuales

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    Nuria Gregori Flor

    2006-01-01

    Full Text Available El nacimiento de un bebé del cual no se puede decir si es niña o niño con una simple inspección visual, supone la activación de una serie de resortes médicos y tecnológicos dirigidos a desvelar qué se oculta detrás de tal indefinición genital. Todos los esfuerzos dedicados a elaborar categorías, definiciones, criterios y protocolos para diagnosticar tal ambigüedad, así como el auge en investigación y desarrollo de nuevas tecnologías biomédicas para corregirla, revelan la inquietud que provoca dentro de nuestro orden sociocultural la ambigüedad y lo inclasificable en relación al sexo, al género y a la sexualidad. Los mandatos de un orden “monosexual” –la idea de que una persona sólo puede tener un único sexo/género y que este es estable para toda la vida- y del conocido como “dimorfismo sexual” –la creencia o convicción dominante en Occidente de la existencia de tan sólo dos sexos posibles, mujer y varón- obliga a confeccionar cuerpos ficticios que eliminan la verdadera variabilidad sexual humana. Será la institución médica y los profesionales médicos responsables de estos recién nacidos, los encargados de buscar qué sexo “verdadero” se esconde detrás de tanta ambigüedad, erigiéndose como responsables del proceso de sexuación en nuestra sociedad.

  14. Abordagem da Terapia Ocupacional a bebês com microcefalia: uma experiência do estágio curricular / An occupational therapy approach to babies with microcephaly: an experiment in curricular internship

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    Jamine Cunha dos Reis

    2018-01-01

    Full Text Available Introdução: Devido o surto de Zika, em 2015/2016, nasceram no Recife/PE bebês com microcefalia, resultando em desenvolvimento atípico. A gravidade do quadro para a saúde pública exigiu resposta rápida, com pesquisas, treinamento e estruturação da rede de saúde. Assim, o terapeuta ocupacional incorporou-se às equipes de estimulação e reabilitação das crianças e à produção de conhecimentos na área. Objetivo: Apresentar a experiência de atendimento a bebês com Síndrome Congênita do Zika Vírus (SCZV, durante estágio curricular de Terapia Ocupacional. Método: Relato de estágio curricular de Terapia Ocupacional utilizando registros clínicos e de supervisão pela orientadora e docente, durante estágio de cinco meses, em um serviço de Doenças Infectocontagiosas de um hospital-escola, referência para atendimento a recém nascidos com a SCVZ. Resultados: Foram atendidos 24 bebês com microcefalia, com idade entre 3 e 10 meses. Foi detectado comprometimento de funções neurológicas, com atraso do desenvolvimento neuropsicomotor, alterações de tônus e dos sistemas visual, auditivo, proprioceptivo, vestibular e tátil. A estimulação foi dirigida as habilidades para o desenvolvimento infantil e criação de ambiente apropriado e seguro visando às aquisições motoras, sensoriais, de comunicação, cognitivas e sociais das crianças. Orientações as famílias, confecção de adaptações, facilitação do brincar e de atividades de vida diária também foram realizadas. Conclusão: O estágio permitiu experienciar às contribuições da Terapia Ocupacional para a estimulação de crianças com microcefalia, capacitando-nos como futuros profissionais para as demandas da atualidade e para a produção de conhecimentos. Abstract Introduction: Due to the outbreak of  the Zika virus, in 2015/2016, many babies were born with microcephaly in Recife/PE, resulting in atypical development. The severity of this panorama for

  15. Depressão pós-parto e alterações de sono aos 12 meses em bebês nascidos na zona urbana da cidade de Pelotas/RS Postpartum depression and sleep disorders in 12 month-old babies born in the urban area of Pelotas city

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    Eliane Rozales Lopes

    2010-01-01

    Full Text Available OBJETIVO: Verificar se existe associação entre as alterações no sono dos bebês aos 12 meses de vida e a depressão pós-parto materna. MÉTODOS: Estudo do tipo transversal aninhado a uma coorte. A amostra foi constituída por mulheres que realizaram o acompanhamento pelo Sistema Único de Saúde (SUS, nas unidades básicas de saúde do município de Pelotas, e que tiveram seus partos a partir de junho/2006. Os bebês de 12 meses oriundos dessa gestação também fazem parte da amostra. Para avaliar a presença de sintomas depressivos nas mães, foi utilizada a Edinburgh Postnatal Depression Scale (EPDS e foram investigados os seguintes comportamentos do sono dos bebês: horas de sono por dia, regularidade do horário para dormir e acordar, sono agitado e despertar noturno. Para análise, foi utilizada Regressão de Poisson. RESULTADOS: 35,7% dos bebês possuem alteração no padrão de sono. Após o ajuste ao modelo hierárquico proposto, a alteração no sono infantil manteve associação com a sintomatologia depressiva da mãe (p OBJECTIVE: Verify whether there is association between sleep disorders in babies at 12 months of age and postpartum depression in motherhood. METHODS:Cross sectional study. The sample was made up of women who had done their prenatal medical care at the National Health System (SUS, at the health basic units in Pelotas and who had their deliveries from June, 2006. The 12 month old babies from these women are also part of the sample. In order to assess depressive symptoms in the mothers, Edinburgh Postnatal Depression Scale was used and the following sleeping behaviors of the babies were investigated: hours of sleep per day, regularity of sleep and wake up time, disturbed sleep and night awakening. Poisson Regression was used for the analysis. RESULTS: 35.7% of the babies showed alterations in their sleeping patterns. After adjusting for the proposed hierarchal model, sleep alteration of the babies was still

  16. Regulación afectiva diádica madre-bebé y autorregulación del infante en la estructuración psíquica temprana Dyadic affective regulation and infant self regulation in the early psychic structure

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    Clara Raznoszczyk de Schejtman

    2006-12-01

    Full Text Available El presente trabajo presenta una articulación entre resultados provenientes de la investigación empírica observacional en díadas madre-bebé y conceptualizaciones psicoanalíticas acerca de la estructuración psíquica. Se filmaron 48 díadas madre bebé y se evaluó la regulación afectiva a través del microanálisis de 3 minutos de interacción cara a cara madre-bebé. Se estudió la autoestima materna a través de una entrevista y de instrumentos autoadministrados. Se presentan los resultados obtenidos acerca de las relaciones entre la expresividad observada en la madre y el bebé, y la autoestima materna. Se presenta un desarrollo teórico sobre las implicancias para el psicoanálisis del estudio del fenómeno diádico interactivo y del pasaje de la regulación diádica madrebebé a la autorregulación que va logrando el infante. Se presentan desarrollos de Daniel Stern y Edward Tronick en esta temática y se propone un modelo de intervención clínica en primera infancia.The present paper deals with the overlapping between data obtained from observational mother-infant research and psychoanalytical conceptualizations on psychic structure. 48 mother-infant dyads were videotaped and affective regulation was studied through the microanalysis of 3 minutes face to face interaction. Maternal self esteem was studied through an interview and self administered instruments were offered to the mothers. Results are presented on the relations obtained between the observed expressivity in the mother and the infant, and Maternal Self Esteem. A theoretical discussion is presented regarding implications for psychoanalysis around the study of the interactive dyadic phenomenon and from the process from dyadic affective regulation to infant self regulation. Some ideas on the topic from Daniel Stern and Edward Tronick are presented and a psychotherapeutic intervention model in infancy is proposed.

  17. Respostas fisiológicas da Posição Mãe-Canguru em bebês pré-termos, de baixo peso e ventilando espontaneamente

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    Miltersteiner Aline R

    2003-01-01

    Full Text Available OBJETIVO: avaliar as respostas fisiológicas - freqüência cardíaca, saturação periférica de oxigênio, temperatura axilar e freqüência respiratória - em bebês pré-termos estáveis e em ventilação espontânea, submetidos à observação na incubadora e à Posição Mãe-Canguru. MÉTODOS: foram estudados 23 pré-termos estáveis hemodinamicamente, em ventilação espontânea, sem doença pulmonar diagnosticada, provenientes do Centro de Neonatologia do Hospital Conceição, Porto Alegre. Os pacientes foram distribuídos em Grupo I (incubadora e Grupo II (Posição Mãe-Canguru para um estudo de intervenção, de amostras pareadas, sendo cada paciente controle de si mesmo. Os dados foram registrados no primeiro minuto (T01, aos 30 (T30 e aos 60 minutos (T60. Utilizou-se o teste t de Student para comparação entre os grupos. RESULTADOS: os pacientes apresentaram uma média de idade gestacional de 34 semanas, média de peso pós-natal de 1780 g e mediana de 264 horas de vida. Observou-se um aumento estatisticamente significante na freqüência cardíaca em T30, na saturação de oxigênio em T30 e T60 e na temperatura axilar em T60, comparando o grupo da Posição Mãe-Canguru ao grupo controle. CONCLUSÕES: a Posição Mãe-Canguru promoveu aumento nos valores das respostas fisiológicas estudadas em pré-termos, quando instituída por uma hora, em comparação ao mesmo período na incubadora, sendo possível sua utilização durante atendimento fisioterapêutico.

  18. An ultrasensitive electrochemiluminescent immunosensor based on graphene oxide coupled graphite-like carbon nitride and multiwalled carbon nanotubes-gold for the detection of diclofenac.

    Science.gov (United States)

    Hu, Liuyi; Zheng, Jing; Zhao, Kang; Deng, Anping; Li, Jianguo

    2018-03-15

    In this study, a novel competition-type electrochemiluminescent (ECL) immunosensor for detecting diclofenac (DCF) was fabricated with graphene oxide coupled graphite-like carbon nitride (GO-g-C 3 N 4 ) as signal probe for the first time. The ECL intensity of carboxylated g-C 3 N 4 was significantly enhanced after being combined with graphene oxide (GO) which exhibited excellent charge-transport property. The sensing platform was constructed by multiwalled carbon nanotubes and gold nanoparticles (MWCNTs-AuNPs), which not only provided an effective matrix for immobilizing a large amount of coating antigen but also facilitated the electronic transmission rate to enhance the ECL intensity. Based on the synergistic effect of GO-g-C 3 N 4 and MWCNTs-AuNPs composite, the proposed sensor showed high sensitivity, good stability, and wide linearity for the detection of DCF in the range of 0.005-1000ngmL -1 with a detection limit of 1.7pgmL -1 . Furthermore, the developed immunoassay has been applied to real samples with satisfactory results. Therefore, this work provided a promising method for the detection of DCF and other small molecular compounds in the future. Copyright © 2017 Elsevier B.V. All rights reserved.

  19. Estudio de la expresividad emocional y la regulación afectiva en díadas madre-bebé durante el primer año de vida y su relación con la autoestima materna Study of emotional expressivity and affective regulation in mother-infant dyads during the first year of life and its relation to maternal self esteem

    Directory of Open Access Journals (Sweden)

    Clara Raznoszczyk de Schejtman

    2005-12-01

    Full Text Available El presente trabajo presenta una articulación entre resultados provenientes de la investigación empírica observacional en díadas madre-bebé y conceptualizaciones psicoanalíticas acerca de la estructuración psíquica. Se recorren conceptos freudianos acerca del rol del auxiliar externo en los primeros tiempos de la vida y especialmente en la constitución de yo. Estos conceptos se ligan a los aportes acerca de la regulación afectiva y el Modelo de Regulación Mutua producidos por los investigadores de infantes. Se filmaron 40 díadas madre bebé y se evaluó la regulación afectiva a través del microanálisis de 3 minutos de interacción cara a cara madre-bebé y 5 minutos de juego libre. Se estudió la autoestima materna a través de una entrevista y de instrumentos autoadministrados. Se presentan los resultados obtenidos acerca de las relaciones entre: la expresividad observada en la madre y el bebé, la expresividad y la autoestima materna y las diferencias obtenidas en las variables según el género de los bebés.The present paper deals with the overlapping between data obtained from observational mother-infant research and psychoanalytical conceptualizations on psychic structure. Freudian concepts, such as the function of the helping external object in the first time of life are presented and specially ego constitution is described. These concepts are linked to the contributions of infant researchers on affective regulation and Mutual Regulation Model. 40 mother-infant dyads were videotaped and affective regulation was studied through the microanalysis of 3 minutes face to face interaction and 5 minutes free play. Maternal self esteem was studied through an interview and self administered instruments offered to the mothers. Results are presented on: the relations obtained between the observed expressivity in the mother and the infant, the relations obtained between Maternal Self Esteem and expressivity and the relation obtained in

  20. Integrando a família no cuidado de seus bebês: ensinando a aplicação da massagem Shantala - DOI: 10.4025/actascihealthsci.v26i1.1609 Integrating the family in the care of their babies: teaching the application of the Shantala massage - DOI: 10.4025/actascihealthsci.v26i1.1609

    Directory of Open Access Journals (Sweden)

    Thereza Maria Magalhães Moreira

    2004-04-01

    Full Text Available Objetivou-se facilitar o aprendizado e o desenvolvimento da Shantala por familiares de bebês acompanhados durante a consulta de enfermagem, avaliando essa experiência. O estudo descritivo foi desenvolvido em forma de oficinas desenvolvidas em uma Unidade Básica de Saúde da Família, localizada na periferia de Fortaleza, no período compreendido entre março e maio de 2002. Nos resultados, descreve-se a experiência em seus onze momentos. Sua avaliação se dá pelos comentários das participantes, agrupados em duas categorias: o toque como instrumento de carinho e a saúde por meio do toque. Conclui-se que o aprendizado e o desenvolvimento da Shantala foram alcançados por familiares dos bebês, repercutindo na multiplicação desse conhecimento na família e na comunidade.The aim of this study was to facilitate the learning and development of Shantala for babies’ relatives accompanied during the nursing consultation, evaluating that experience. The descriptive study was varied out by workshops developed in a Family Health Care Center, located in the periphery of Fortaleza, in the period from March to May 2002. In the results, the experience is described in its eleven moments. In evaluation, the participants’ comments contained in two categories: the touch as instrument of affection and the health through the touch. In conclusion the learning and the development of Shantala was reached by the babies’ relatives, influencing on the multiplication of that knowledge in the family and community.

  1. Integração de informação e reativação da memória: impacto positivo de uma intervenção cognitivo-motora em bebês Information integration and memory reactivation: the positive effects of a cognitive-motor intervention in babies

    Directory of Open Access Journals (Sweden)

    Carla Skilhan de Almeida

    2010-03-01

    Full Text Available OBJETIVO: Investigar os efeitos de uma intervenção cognitivo-motora na integração de informação e reativação da memória de bebês. MÉTODOS: Participaram do estudo 40 bebês de seis a oito meses de idade, nascidos a termo e matriculados em creches, permanecendo nelas sete horas por dia com relação educador/bebê de 1/6, provenientes de famílias numerosas e de baixa renda que não participavam de programas interventivos. Uma intervenção cognitivo-motora foi propiciada ao Grupo Interventivo com atividades de perseguição visual, manipulação de brinquedo e controle postural. Para o Grupo Controle, nenhuma intervenção foi propiciada. As atividades da rotina da creche foram mantidas para os dois grupos. Três atividades de manipulação foram avaliadas no início do programa, um mês depois (retenção e três dias após a retenção. Para a análise dos dados, foram utilizados o teste do qui-quadrado com correção de Yates, o teste exato de Fisher e o de Cochran. RESULTADOS: O Grupo Interventivo demonstrou desempenho significativamente superior ao Grupo Controle em evocar informações da memória na retenção e pós-retenção em duas atividades. Mudanças significativas e positivas também foram observadas para o Grupo Interventivo no fator tempo. Os bebês mais velhos do Grupo Interventivo demonstraram melhor capacidade de evocar informação em relação aos mais jovens. Essa tendência não foi observada para o Grupo Controle. CONCLUSÕES: Para potencializar o desenvolvimento global de bebês, as intervenções deveriam ser organizadas implementando tarefas diversificadas com intervalos de aprendizagem apropriados, os quais levem em consideração a capacidade dos bebês de manterem a informação e integrarem essa informação a novos desafiosOBJECTIVE: To investigate the effects of a cognitive-motor intervention in the information integration and memory reactivation of babies. METHODS: The participants were 40 babies

  2. Educação em saúde e a família do bebê prematuro: uma revisão integrativa Educación en salud y la familia del bebé prematuro: una revisión integrativa Health education and the family of the premature baby: an integrative review

    Directory of Open Access Journals (Sweden)

    Lucilei Cristina Chiodi

    2012-01-01

    Full Text Available OBJETIVO: Identificar as necessidades de educação em saúde da família do recém-nascido pré-termo. MÉTODOS: Revisão integrativa de literatura, com buscas nas bases de dados PubMED e Literatura Latino-Americana e do Caribe em Ciências da Saúde, entre 1999 e 2011, e com uso dos descritores (prematuro, enfermagem neonatal, cuidados de enfermagem e alta hospitalar em inglês, espanhol e português. RESULTADOS: Os dez estudos selecionados foram categorizados em três temáticas: a participação nos cuidados do filho, o preparo para a alta hospitalar e uso de material educativo. A maioria das atividades de educação em saúde é direcionada às mães e está relacionada aos cuidados básicos diários e, ainda, é incipiente a participação nestas atividades, a fim de promover o vínculo e aumentar a confiança no cuidado. CONCLUSÃO: Observou-se a necessidade de elaborar estratégias, embasadas nas metodologias ativas de aprendizagem, auxiliadas por materiais educacionais que facilitem a inserção dos pais na unidade neonatal e nos cuidados com seu filho.OBJETIVO: Identificar las necesidades de educación en salud de la familia del recién nacido pretérmino. MÉTODOS: Revisión integrativa de literatura, con búsqueda en las bases de datos PubMED y Literatura Latino-Americana y del Caribe en Ciencias de la Salud entre 1999 y 2011, y con el uso de los descriptores (prematuro, enfermería neonatal, cuidados de enfermería y alta hospitalaria en inglés, español y portugués. RESULTADOS: Los diez estudios seleccionados fueron categorizados en tres temáticas: la participación en los cuidados del hijo, la preparación para el alta hospitalaria y uso de material educativo. La mayoría de las actividades de educación en salud está direccionada a las madres y está relacionada a los cuidados básicos diarios y, aun, es incipiente la participación en esas actividades, a fin de promover el vínculo y aumentar la confianza en el cuidado

  3. A DUAL RESERVATION CDMA-BASED MAC PROTOCOL WITH POWER CONTROL FOR AD HOC NETWORKS

    Institute of Scientific and Technical Information of China (English)

    Jia Min; Chen Huimin; Yuan Yuhua

    2007-01-01

    This paper proposes a new multi-channel Medium Access Control (MAC) protocol named as Dual Reservation Code Division Multiple Access (CDMA) based MAC protocol with Power Control (DRCPC). The code channel is divided into common channel, broadcast channel and several data channels. And dynamic power control mechanism is implemented to reduce near-far interference. Compared with IEEE 802.11 Distributed Coordination Function (DCF) protocol, the results show that the proposed mechanism improves the average throughput and limits the transmission delay efficiently.

  4. AN EXAMPLE - BASED, DIAGNOSTIC INVESTIGATION OF VALUE CREATION AND VALUE DESTRUCTION BY CORPORATE ACTIVISTS

    Directory of Open Access Journals (Sweden)

    GABURICI Matei

    2014-06-01

    Full Text Available This paper investigates, through an example-based scenario, the extent to which corporate activists create or destroy shareholder value; there are five high-profile campaigns analyzed related to four major players. The foundation of the analysis is a variant of DCF model which examines the cash flows to equity. In 4 out of 5 cases the financial metrics are computed in order to assess the performance of the subject company ex-ante and ex-post activists’ involvement.

  5. Padrões de organização do sistema de comunicação mãe-bebê nas interações face a face: estudo de cinco díades Patterns of organization of the mother-infant communication in face-to-face interactions: the study of five dyads

    Directory of Open Access Journals (Sweden)

    Maria da Conceição Diniz Pereira de Lyra

    2012-04-01

    Full Text Available Apresentamos os que emergem do processo de desenvolvimento da comunicação mãe-bebê nas interações do tipo face a face. Este processo é concebido como compondo um sistema dinâmico em constante transformação e construção. Os padrões de organização descrevem as fases de maior estabilidade desse sistema, propostas pelo modelo EEA como constituindo três padrões que se sucedem: um estabelecimento inicial, seguido de um período de extensão e, finalmente, um período de abreviação das trocas comunicativas. Analisamos os dados longitudinais das trocas comunicativas do tipo face a face de cinco díades mãe-bebê, descrevendo o processo através do qual esses padrões se organizam. Identificamos uma tendência geral de manutenção da mesma sequência de aparecimento e dominância desses três padrões nas cinco díades, tal como proposto pelo modelo EEA. Todavia, cada díade difere na idade de aparecimento, de dominância e na duração de cada um dos padrões referidos.We present the patterns of organization that emerge from the developmental process of mother-infant communication in face-to-face exchanges. This process is conceived as creating a dynamic system in constant transformation and construction. The patterns of organization describe the periods of stability of this system, proposed by the EEA model as corresponding to three successive patterns, starting by an initial establishment, followed by a period of extension, and finally by an abbreviation of the dyadic exchanges. We analyzed the longitudinal mother-infant face-to-face exchanges from five dyads, describing the process of organization of these patterns. We identified a general tendency toward maintenance of the sequence of emergence and dominance of these three patterns in all five dyads, according to the proposals of the EEA model. However, each dyad differs in terms of age of appearance, dominance and duration of each of these patterns.

  6. A prevalência do uso de sonda nasogástrica em bebês portadores de fissura de lábio e/ou palato Prevalence of the use of nasogastric tube in babies with cleft lip and/or palate

    Directory of Open Access Journals (Sweden)

    Camila Queiroz de Moraes Silveira Di Ninno

    2010-12-01

    Full Text Available OBJETIVO: Investigar a prevalência do uso de sonda nasogástrica em bebês com fissura labiopalatina, sua correlação com tipo de fissura, maternidade e cidade de origem, e a idade na primeira consulta. MÉTODOS: A amostra constituiu-se de 137 bebês de ambos os gêneros, com fissura de lábio e/ou palato, sem outros comprometimentos, nascidos a termo, e que chegaram para primeira consulta em um centro especializado em fissura entre zero e 12 meses (mediana=33 dias. Realizou-se análise estatística pelo teste de coeficiente de contingência (pPURPOSE: To investigate the prevalence of the use of nasogastric tube in babies with cleft lip and/or palate, and to correlate its use with type of cleft, maternity hospital (private or public and city of origin, and age at the first visit to a cleft center. METHODS: The sample consisted of data collected from 137 babies of both genders with cleft lip and/or palate, without any other associated anomalies, born full-term, who attended their first consultation at a specialized cleft center with ages between zero and 12 months (median=33 days. Statistical analyses used the coefficient of contingency test (p<0,05. RESULTS: From the subjects, 61% were male and 39% were female; 51% presented cleft lip and palate, 35% cleft palate, and 14% cleft lip. Regarding place of birth, 36% were born in private and 64% in public maternity hospitals; 60% were born in the city of Belo Horizonte (Minas Gerais, Brazil, 15% in other cities of the metropolitan area, and 25% in other cities at the state of Minas Gerais (Brazil. The use of nasogastric tube was reported in 23% of the cases. There was no association between the type of cleft or maternity and the use of the tube, but the later was more frequent within the metropolitan area (p=0,007. CONCLUSION: The prevalence of the use of nasogastric tube in babies with cleft lip and/or palate was considered high since they were born full-term and without any other associated

  7. Enhancing the selection of backoff interval using fuzzy logic over wireless Ad Hoc networks.

    Science.gov (United States)

    Ranganathan, Radha; Kannan, Kathiravan

    2015-01-01

    IEEE 802.11 is the de facto standard for medium access over wireless ad hoc network. The collision avoidance mechanism (i.e., random binary exponential backoff-BEB) of IEEE 802.11 DCF (distributed coordination function) is inefficient and unfair especially under heavy load. In the literature, many algorithms have been proposed to tune the contention window (CW) size. However, these algorithms make every node select its backoff interval between [0, CW] in a random and uniform manner. This randomness is incorporated to avoid collisions among the nodes. But this random backoff interval can change the optimal order and frequency of channel access among competing nodes which results in unfairness and increased delay. In this paper, we propose an algorithm that schedules the medium access in a fair and effective manner. This algorithm enhances IEEE 802.11 DCF with additional level of contention resolution that prioritizes the contending nodes according to its queue length and waiting time. Each node computes its unique backoff interval using fuzzy logic based on the input parameters collected from contending nodes through overhearing. We evaluate our algorithm against IEEE 802.11, GDCF (gentle distributed coordination function) protocols using ns-2.35 simulator and show that our algorithm achieves good performance.

  8. Comparison of fiber lasers based on distributed side-coupled cladding-pumped fibers and double-cladding fibers.

    Science.gov (United States)

    Huang, Zhihe; Cao, Jianqiu; Guo, Shaofeng; Chen, Jinbao; Xu, Xiaojun

    2014-04-01

    We compare both analytically and numerically the distributed side-coupled cladding-pumped (DSCCP) fiber lasers and double cladding fiber (DCF) lasers. We show that, through optimization of the coupling and absorbing coefficients, the optical-to-optical efficiency of DSCCP fiber lasers can be made as high as that of DCF lasers. At the same time, DSCCP fiber lasers are better than the DCF lasers in terms of thermal management.

  9. Estratégia acolhimento mãe-bebê: aspectos relacionados à clientela atendida em uma unidade básica de saúde do município do Rio de Janeiro Estrategia de acogimiento madre y bebé: aspectos relacionados con la clientela en una unidad básica de salud de la ciudad de Rio de Janeiro A welcome strategy mother-baby : aspects related to the clientele in a basic health unit of the municipality of Rio de Janeiro

    Directory of Open Access Journals (Sweden)

    Maria Helena do Nascimento Souza

    2011-12-01

    Full Text Available O presente trabalho é um estudo descritivo, que objetivou identificar as características sociodemográficas e de saúde de mães e as condições de saúde de crianças atendidas pelos enfermeiros na Estratégia de Acolhimento Mãe e Bebê em uma Unidade Básica de Saúde do Estado de Rio de Janeiro. Os dados foram coletados em 421 prontuários das crianças atendidas em uma Unidade Básica em 2009. Realizou-se a análise univariada dos dados com uso do software "Epi-info" versão 3.5. Os resultados mostraram que: 70,6% das mães estavam na faixa etária de 20 até 35 anos, 58,2% haviam realizado parto normal, 5,0% apresentaram alteração na cicatriz cirúrgica, e 23,8%, alteração nas mamas. O companheiro e a avó materna foram os membros da rede social que mais forneceram apoio no pós-parto. Com relação aos recém-nascidos 52,5% tinham até 7 dias de vida, 90,3% encontravam-se em aleitamento materno exclusivo, 16,2% apresentavam icterícia, e 3,8% apresentaram alteração no coto umbilical. Conclui-se que a avaliação do grupo escolhido proporciona informações importantes para que os enfermeiros possam apoiar eficientemente as mães nos cuidados com os recém-nascidos, o que contribui à formação do vínculo das mães com este profissional, além da adoção de práticas de promoção da saúde.Este trabajo es un estudio descriptivo, cuyo objetivo es identificar las características sociodemográficas y de salud de las madres y las condiciones de salud de los niños, atendidos por los enfermeros mediante la aplicación de la Estrategia de Interrelación de Madre y Bebé, visto en la Unidad Básica de Salud del Estado de Rio de Janeiro. Los datos fueron recolectados en 421 muestras tomadas de los niños atendidos en una Unidad Básica de Salud, en el año 2009. Se realizó un análisis univariada de los datos con uso del software "Epi-info", versión 3.5. Los resultados mostraron que: el 70,6% de las madres se encontraban dentro del

  10. A Study of Dispersion Compensation of Polarization Multiplexing-Based OFDM-OCDMA for Radio-over-Fiber Transmissions.

    Science.gov (United States)

    Yen, Chih-Ta; Chen, Wen-Bin

    2016-09-07

    Chromatic dispersion from optical fiber is the most important problem that produces temporal skews and destroys the rectangular structure of code patterns in the spectra-amplitude-coding-based optical code-division multiple-access (SAC-OCDMA) system. Thus, the balance detection scheme does not work perfectly to cancel multiple access interference (MAI) and the system performance will be degraded. Orthogonal frequency-division multiplexing (OFDM) is the fastest developing technology in the academic and industrial fields of wireless transmission. In this study, the radio-over-fiber system is realized by integrating OFDM and OCDMA via polarization multiplexing scheme. The electronic dispersion compensation (EDC) equalizer element of OFDM integrated with the dispersion compensation fiber (DCF) is used in the proposed radio-over-fiber (RoF) system, which can efficiently suppress the chromatic dispersion influence in long-haul transmitted distance. A set of length differences for 10 km-long single-mode fiber (SMF) and 4 km-long DCF is to verify the compensation scheme by relative equalizer algorithms and constellation diagrams. In the simulation result, the proposed dispersion mechanism successfully compensates the dispersion from SMF and the system performance with dispersion equalizer is highly improved.

  11. A Study of Dispersion Compensation of Polarization Multiplexing-Based OFDM-OCDMA for Radio-over-Fiber Transmissions

    Directory of Open Access Journals (Sweden)

    Chih-Ta Yen

    2016-09-01

    Full Text Available Chromatic dispersion from optical fiber is the most important problem that produces temporal skews and destroys the rectangular structure of code patterns in the spectra-amplitude-coding-based optical code-division multiple-access (SAC-OCDMA system. Thus, the balance detection scheme does not work perfectly to cancel multiple access interference (MAI and the system performance will be degraded. Orthogonal frequency-division multiplexing (OFDM is the fastest developing technology in the academic and industrial fields of wireless transmission. In this study, the radio-over-fiber system is realized by integrating OFDM and OCDMA via polarization multiplexing scheme. The electronic dispersion compensation (EDC equalizer element of OFDM integrated with the dispersion compensation fiber (DCF is used in the proposed radio-over-fiber (RoF system, which can efficiently suppress the chromatic dispersion influence in long-haul transmitted distance. A set of length differences for 10 km-long single-mode fiber (SMF and 4 km-long DCF is to verify the compensation scheme by relative equalizer algorithms and constellation diagrams. In the simulation result, the proposed dispersion mechanism successfully compensates the dispersion from SMF and the system performance with dispersion equalizer is highly improved.

  12. Interação mãe-bebê pré-termo e mudança no estado de humor: comparação do Método Mãe-Canguru com visita na Unidade de Terapia Intensiva Neonatal Interaction between mothers and pre-term infants and mood changes: a comparison between the Kangaroo Mother Method and those observed on a visit to a Neonatal Intensive Care Unit

    Directory of Open Access Journals (Sweden)

    Fernando Guimarães Cruvinel

    2007-12-01

    Full Text Available OBJETIVO: avaliar mudanças nos estados de humor de mães de bebês pré-termo em função do tipo de contato com o seu filho: Método Mãe-Canguru (MMC e visita ao filho na incubadora da Unidade de Terapia Intensiva Neonatal. MÉTODOS: foi aplicada a Escala Analógica de Humor em 60 mães divididas em 2 grupos: mães que participam do Método Mãe-Canguru (GC e mães que acompanharam o bebê na incubadora (GI. Os grupos foram pareados em função da idade das mães, número de gestações e tipo de parto. As mães foram avaliadas antes e depois de uma das visitas ao filho na incubadora ou sessão de MMC. RESULTADOS: as mães do GC melhoraram o humor, relatando: sentirem-se mais calmas, fortes, com idéias claras, ágeis, dinâmicas, satisfeitas, tranqüilas, perspicazes, relaxadas, atentas, competentes, alegres e amistosas. As mães do GI não apresentaram melhora no estado de humor em nenhum item, mas pioraram no item "sentindo-se desajeitada". CONCLUSÕES: o Método Mãe-Canguru mostrou-se eficaz na melhora nos estados de humor de mães de bebês pré-termo, contribuindo assim para a minimização dos efeitos negativos da internação neonatal.OBJECTIVE: to assess changes in the subjective state of mood of mothers of pre-term babies, comparing different kinds of mother-infant interaction: the Kangaroo Mother Method (KMM and those observed on a visit to a Neonatal Intensive Care Unit. METHODS: the Visual Analogue Mood Scale was used with 60 mothers divided into two groups: mothers included in the Kangaroo Program (KG and mothers with a baby on an incubator (IG. The groups were matched for the mothers' age, number of pregnancies and kind of delivery. The mothers were evaluated before and after a visit to the baby on an incubator or a KMM session. RESULTS: it was found that KG mothers were in a better mood, reporting that they felt calmer, stronger, more clear-headed, more agile, dynamic, satisfied, at ease, perceptive, relaxed, considerate

  13. Polysomnographic evaluation of uninfected babies born to human immunodeficiency virus type 1 positive mothers = Evaluación polisomnográfica de bebés no infectados nacidos de madres VIH-1 positivas

    Directory of Open Access Journals (Sweden)

    Archila Melendez, Mario Eduardo

    2013-07-01

    Full Text Available Introduction: Type 1 human immunodeficiency virus (HIV-1 is a lymphotropic and neurotropic retrovirus. Thus, it causes immunological and neurological alterations particularly in children. In the neonatal period the maturational changes of the central nervous system occur rapidly, and their alteration can be reflected in processes such as the sleep-awake pattern. Objective: To evaluate sleep organization, EEG and respiratory pattern in newborns to HIV-1 positive mothers. Methods: 22 infants underwent polysomnography. Delta brushes number in REM and NREM sleep, duration of interburst interval and interhemispheric synchrony were used to calculate EEG maturation. Analysis of the sleep architecture was based on polysomnographic sleep percentage of REM, NREM and transitional sleep to total sleep time. Results: The difference between electroencephalographically calculated and clinically calculated conceptional age was less than two weeks. Percentages of REM and NREM sleep ranged from 39-64 and 30-58 with a median of 52.5 and 36.5 respectively. Concordance was lower in newborns who had high transitional sleep percentages, compared to that in newborns who did not have high such characteristic (p less 0.05. Discussion: Despite intrauterine exposure to HIV-1 and to antiretroviral drugs we did not observe a significant effect on EEG maturation. The decreased concordance in newborns with high transitional sleep percentages would suggest an alteration in the maturation process, but this aspect itself is not sufficient to consider that intrauterine exposure to HIV-1 and antiretrovirals affect the entire sleep architecture Future studies should clarify whether the decreased concordance between behavior and NREM sleep is replicable.

  14. APROVEITAMENTO DA SEMENTE DE AÇAÍ PARA PRODUÇÃO DE BEBIDA À BASE DE CAFÉ

    OpenAIRE

    Lara Santana Fernandes; UFV; Bruna Giaretta Martins; UFV; Juliana Lane Paixão; UFV; Lara Stela Mendes Lustoza; UFV; Daniel Mariano Leite; UFV

    2011-01-01

    O aproveitamento da semente de açaí em bebida à base de café é uma alternativa para a redução do impacto ambiental e para a agregação de valor ao resíduo da agroindústria de açaí. Objetivou–se com a condução do presente trabalho avaliar o aproveitamento da semente de açaí, subproduto do beneficiamento dos frutos, para a produção de uma bebida à base de café e semente de açaí. Foram feitas a torrefação e moagem da semente de açaí e de grãos de café, tendo sido analisada sensorialmente a beb...

  15. Transmission History Based Distributed Adaptive Contention Window Adjustment Algorithm Cooperating with Automatic Rate Fallback for Wireless LANs

    Science.gov (United States)

    Ogawa, Masakatsu; Hiraguri, Takefumi; Nishimori, Kentaro; Takaya, Kazuhiro; Murakawa, Kazuo

    This paper proposes and investigates a distributed adaptive contention window adjustment algorithm based on the transmission history for wireless LANs called the transmission-history-based distributed adaptive contention window adjustment (THAW) algorithm. The objective of this paper is to reduce the transmission delay and improve the channel throughput compared to conventional algorithms. The feature of THAW is that it adaptively adjusts the initial contention window (CWinit) size in the binary exponential backoff (BEB) algorithm used in the IEEE 802.11 standard according to the transmission history and the automatic rate fallback (ARF) algorithm, which is the most basic algorithm in automatic rate controls. This effect is to keep CWinit at a high value in a congested state. Simulation results show that the THAW algorithm outperforms the conventional algorithms in terms of the channel throughput and delay, even if the timer in the ARF is changed.

  16. Implications and applications of systematic reviews for evidence-based dentistry and comparative effectiveness research: A sample study on antibiotics for oro-facial cellulitis treatment

    Directory of Open Access Journals (Sweden)

    Quyen Bach

    2015-01-01

    Full Text Available Introduction: Comparative effectiveness and efficacy research for analysis and practice (CEERAP was performed to assess the effects of penicillin-based versus erythromycin-based antibiotic treatments in patients with skin and soft tissue infections (SSTIs including cellulitis, impetigo, and erysipelas. Because SSTIs, especially orofacial cellulitis, are volatile infectious diseases of a life-threatening nature, research on the most efficacious remedies is necessary. Methods: The stringent bibliome yielded three systematic reviews, which were examined for quality of research synthesis protocol and clinical relevance. Results: The sample size of three, rendered the statistical analyses and cumulative meta-analysis problematic. Conclusion: The systematic review outlined here should aid in increasing clinical awareness, improving patient health literacy, and promoting consensus of the best evidence base (BEB to mitigate the threat of sepsis and potential death caused by cellulitis infections.

  17. openBEB: open biological experiment browser for correlative measurements

    OpenAIRE

    Ramakrishnan, Chandrasekhar; Bieri, Andrej; Sauter, Nora; Roizard, Sophie; Ringler, Philippe; Müller, Shirley A; Goldie, Kenneth N; Enimanev, Kaloyan; Stahlberg, Henning; Rinn, Bernd; Braun, Thomas

    2014-01-01

    Background: New experimental methods must be developed to study interaction networks in systems biology. To reduce biological noise, individual subjects, such as single cells, should be analyzed using high throughput approaches. The measurement of several correlative physical properties would further improve data consistency. Accordingly, a considerable quantity of data must be acquired, correlated, catalogued and stored in a database for subsequent analysis. Results: We have developed openBE...

  18. Catheter-based time-gated near-infrared fluorescence/OCT imaging system

    Science.gov (United States)

    Lu, Yuankang; Abran, Maxime; Cloutier, Guy; Lesage, Frédéric

    2018-02-01

    We developed a new dual-modality intravascular imaging system based on fast time-gated fluorescence intensity imaging and spectral domain optical coherence tomography (SD-OCT) for the purpose of interventional detection of atherosclerosis. A pulsed supercontinuum laser was used for fluorescence and OCT imaging. A double-clad fiber (DCF)- based side-firing catheter was designed and fabricated to have a 23 μm spot size at a 2.2 mm working distance for OCT imaging. Its single-mode core is used for OCT, while its inner cladding transports fluorescence excitation light and collects fluorescent photons. The combination of OCT and fluorescence imaging was achieved by using a DCF coupler. For fluorescence detection, we used a time-gated technique with a novel single-photon avalanche diode (SPAD) working in an ultra-fast gating mode. A custom-made delay chip was integrated in the system to adjust the delay between the excitation laser pulse and the SPAD gate-ON window. This technique allowed to detect fluorescent photons of interest while rejecting most of the background photons, thus leading to a significantly improved signal to noise ratio (SNR). Experiments were carried out in turbid media mimicking tissue with an indocyanine green (ICG) inclusion (1 mM and 100 μM) to compare the time-gated technique and the conventional continuous detection technique. The gating technique increased twofold depth sensitivity, and tenfold SNR at large distances. The dual-modality imaging capacity of our system was also validated with a silicone-based tissue-mimicking phantom.

  19. PAM4 based symmetrical 112-Gbps long-reach TWDM-PON

    Science.gov (United States)

    Wu, Liyu; Gao, Fan; Zhang, Minming; Fu, Songnian; Deng, Lei; Choi, Michael; Chang, Donald; Lei, Gordon K. P.; Liu, Deming

    2018-02-01

    We experimentally demonstrate cost effective symmetrical 112-Gbps long-reach passive optical network (LR-PON) over 70-km standard signal mode fiber (SSMF), based on pulse amplitude modulation (PAM)-4. Four 10G-class directly modulated lasers (DMLs) at C-band are used for achieving 4 × 28-Gbps downstream transmission, while two 18G-class DMLs at O-band are used to realize 2 × 56-Gbps upstream transmission, without any optical amplification in optical distributed network (ODN). Both dispersion compensation fiber (DCF) for downstream signal and praseodymium-doped fiber amplifier (PDFA) for upstream signal are equipped at optical line terminal (OLT). Meanwhile, sparse Volterra filter (SVF) equalizer is proposed to mitigate the transmission impairments with substantial reduction of computation complexity. Finally, we can successfully provide a loss budget of 33 dB per downstream wavelength channel, indicating of 64 optical network units (ONUs) with more than 1.25 Gbps per ONU.

  20. Tourism Communication in Community Based Tourism in Dieng Community, Central Java, Indonesia

    Directory of Open Access Journals (Sweden)

    Manik Sunuantari

    2017-08-01

    Full Text Available To encourage a community’s role in the field of tourism, the local government of Central Java, Indonesia promotes a Community Based Tourism (CBT as a tourism development for the sustainable economy. It involves the community in decision-making processes, especially related to the acquisition of income, employment, and the preservation of the environment, and culture of the indigenous people. This research aimed to determine communication activities in the implementation of CBT. The theory used was tourism communication using Attention, Interest, Desire, Action (AIDA model. Then, the method was a case study by choosing Dieng as a tourist destination, and the tourism communication activities were undertaken in Dieng’s society, especially in the activities of Dieng Culture Festival (DCF. The results show that the tourism communication activities involving the community, POKDARWIS (Kelompok Sadar Wisata - Tourism Awareness Group, tourism advocates, and local governments should pay attention to the cultural and natural tourism potentials, and empower the local communities.

  1. Estudo pessoa-processo-contexto da qualidade das interações entre mãe-adolescente e seu bebê A person-process-context study of the quality of interactions between the teenage mother and her baby

    Directory of Open Access Journals (Sweden)

    Marc Bigras

    2007-10-01

    Full Text Available OBJETIVO: entender os mecanismos de transmissão das dificuldades psicossociais, diante dos processos de interação entre a mãe-adolescente e filho. A hipótese é que a qualidade das trocas mãe-filho depende de fatores de riscos associados às características da mãe e características da criança. MÉTODO: OBSERvação direta da qualidade das trocas entre 97 adolescentes primíparas e filhos, de 4 meses de idade. As adolescentes estavam na faixa de 13-18 anos na 26ª semana de gravideze. As gestantes completaram questionários relativos à preparação à maternidade e história de abusos emocional. RESULTADOS: a falta de conhecimentos sobre o desenvolvimento e a natureza dos cuidados dispensados à criança está associada a trocas maternas insensíveis com a criança aos 4 meses. Observou-se um efeito de interação entre as características da mãe (conhecimentos da maternidade e abuso sexual antes do seu nascimento e o sexo do bebê. CONCLUSÃO: Estes efeitos de interação entre as características da mãe e de seu filho podem favorecer o ciclo de reciprocidade negativa que, com o tempo, interfere cada vez mais em relações interpessoais harmoniosas, mais freqüentemente observado quando os parceiros são reativos perante a adversidade, os quais estão em menor condições de pacificar as trocas.OBJECTIVE: To understand the transmission mechanisms of psychosocial difficulties prompted by teenage mother and baby interactions. The hypothesis is that the quality of the mother-child exchanges relies on linked with the characteristics of the mother, such as being abused and poor preparation for motherhood, as well as the characteristics of the child. METHOD: Direct observation of the quality of exchanges between 97 primipara adolescents and their four month old babies. The teens were 13-18 years old, in the 26th week of pregnancy, from four homes run by the Youth Center in Montréal and Rosalie-Jetté School. They completed questionnaires

  2. Importancia de los ácidos grasos poliinsaturados de cadena larga en la alimentación del lactante: cuantificación de éstos en algunas fórmulas lácteas para bebés de 0 a 6 meses, comercializadas en la ciudad de Medellín, 2012

    Directory of Open Access Journals (Sweden)

    Diana L. Cárdenas S.

    2014-09-01

    Full Text Available Resumen Objetivo: comparar el contenido de ácidos grasos poliinsaturados (lcpufa reportados en las etiquetas nutricionales de las fórmulas lácteas infantiles, comercializadas en supermercados de la ciudad de Medellín frente a la cantidad determinada experimentalmente. Metodología: se estudiaron trece fórmulas infantiles de iniciación, recolectadas del stand donde se encontraban exhibidas. El procedimiento para la extracción, cuantificación y análisis de los ácidos grasos de las muestras se realizaron según métodos desarrollados por el laboratorio. Resultados: al comparar el contenido de los lcpufa de la etiqueta de cada fórmula láctea con los datos obtenidos experimentalmente, se encontró que los productos contenían menos del 30% de lo reportado, aspecto que no fue atribuible a la fecha de vencimiento pero sí posiblemente a la temperatura de almacenamiento. Discusión: los hallazgos del estudio son preocupantes, porque los profesionales de la salud, recomiendan dichos productos, por su similitud en la composición nutricional con la leche materna esperando que su contenido en lcpufa sea como mínimo, igual o equivalente al de ésta, proporcionando al bebé su adecuado desarrollo. Por lo anterior, es necesario que los expertos en alimentación infantil reglamenten de manera estricta la adición de estos ácidos grasos en alimentos para lactantes. Abstract Objective: to compare the content of polyunsaturated fatty acids (pufas appearing in the nutrition facts labels of infant milk formulas sold in supermarkets of Medellin city against an experimentally determined quantity. Methodology: the researchers studied a total of 13 infant initiation formulas collected from the stands where they were displayed at the supermarkets. The procedure for extracting and quantifying the fatty acids in the samples was performed in compliance with the methods developed in the laboratory. Results: upon comparing the content of the pufas displayed in

  3. Sample Based Unit Liter Dose Estimates

    International Nuclear Information System (INIS)

    JENSEN, L.

    2000-01-01

    The Tank Waste Characterization Program has taken many core samples, grab samples, and auger samples from the single-shell and double-shell tanks during the past 10 years. Consequently, the amount of sample data available has increased, both in terms of quantity of sample results and the number of tanks characterized. More and better data is available than when the current radiological and toxicological source terms used in the Basis for Interim Operation (BIO) (FDH 1999a) and the Final Safety Analysis Report (FSAR) (FDH 1999b) were developed. The Nuclear Safety and Licensing (NS and L) organization wants to use the new data to upgrade the radiological and toxicological source terms used in the BIO and FSAR. The NS and L organization requested assistance in producing a statistically based process for developing the source terms. This report describes the statistical techniques used and the assumptions made to support the development of a new radiological source term for liquid and solid wastes stored in single-shell and double-shell tanks. The results given in this report are a revision to similar results given in an earlier version of the document (Jensen and Wilmarth 1999). The main difference between the results in this document and the earlier version is that the dose conversion factors (DCF) for converting μCi/g or μCi/L to Sv/L (sieverts per liter) have changed. There are now two DCFs, one based on ICRP-68 and one based on ICW-71 (Brevick 2000)

  4. Lazer para mães de bebês de risco hospitalizados: análise da experiência na perspectiva dessas mulheres Ocio para madres de bebes de riesgo: análisis de la experiencia en la perspectiva de estas mujeres Leisure for mothers of high-risk babies: analysis of the experience in these women's perspective

    Directory of Open Access Journals (Sweden)

    Carmen Gracinda Silvan Scochi

    2004-10-01

    Full Text Available Com a implantação de novas estratégias de cuidado dirigidas às mães de bebês de risco, assistidos em unidade neonatais, por meio de um programa envolvendo atividades lúdicas, recreacionais e educativas, o presente estudo objetiva analisar essa experiência na perspectiva dessas mulheres. Trata-se de estudo de caráter qualitativo, descritivo, realizado no Hospital das Clínicas de Ribeirão Preto. Foram entrevistadas 7 mães que freqüentaram o programa pelo menos três sessões de atividades, e assinaram o termo de consentimento pós-informado. As entrevistas gravadas tiveram como questão norteadora "Fale sobre a sua vivência nestas reuniões de grupo". Verificamos que as mães consideraram as atividades "...legal que cria vínculo" e "...é bom, porque a gente se distrai"; revitalizando-as para o enfrentamento do estresse da longa internação. Destacaram a oportunidade de aprender alguns cuidados com o filho por meio de jogos e filmes educativos - "Tira muita dúvida da gente, principalmente quem tem os prematuros", e de realizar trabalhos manuais - "Bordado, que ninguém sabia, aprendeu", que reverteram em vestuário para o filho. Concluímos que o programa contribuiu com o processo de construção de uma assistência mais integral e humanizada, tendo como foco a família, ampliando a visão do hospital enquanto um espaço também de lazer.Con la implantación de nuevas estrategias de cuidado dirigidas a las madres de bebes de riesgo asistidos en unidades neonatales, a través de un programa involucrando actividades lúdicas, recreacionales y educativas, la finalidad del presente estudio es analizar esta experiencia en la perspectiva de estas mujeres. Se trata de un estudio cualitativo y descriptivo, realizado en el Hospital de las Clínicas de Ribeirão Preto, Brasil. Fueron entrevistadas 7 madres que frecuentaron el programa por el menos en tres sesiones de actividades, y firmaron el término de consentimiento pos-informado. Las

  5. Adaptive Backoff Algorithm for Contention Window for Dense IEEE 802.11 WLANs

    Directory of Open Access Journals (Sweden)

    Ikram Syed

    2016-01-01

    Full Text Available The performance improvement in IEEE 802.11 WLANs in widely fluctuating network loads is a challenging task. To improve the performance in this saturated state, we develop an adaptive backoff algorithm that maximizes the system throughput, reduces the collision probability, and maintains a high fairness for the IEEE 802.11 DCF under dense network conditions. In this paper, we present two main advantages of the proposed ABA-CW algorithm. First, it estimates the number of active stations and then calculates an optimal contention window based on the active station number. Each station calculates the channel state probabilities by observing the channel for the total backoff period. Based on these channel states probabilities, each station can estimate the number of active stations in the network, after which it calculates the optimal CW utilizing the estimated active number of stations. To evaluate the proposed mechanism, we derive an analytical model to determine the network performance. From our results, the proposed ABA-CW mechanism achieved better system performance compared to fixed-CW (BEB, EIED, LILD, and SETL and adaptive-CW (AMOCW, Idle Sense mechanisms. The simulation results confirmed the outstanding performance of the proposed mechanism in that it led to a lower collision probability, higher throughput, and high fairness.

  6. Polymorphism in the Methylenetetrahydrofolate Reductase and Thymidylate Synthase Gene Predicts for Response to Fluorouracil-based Chemotherapy in Advanced Gastric Cancer Patients

    Directory of Open Access Journals (Sweden)

    Jianwei Lu

    2013-03-01

    Full Text Available Objective: Fluorouracil (5-FU is widely used in the treatment of gastric cancer. Methylenetetrahydrofolate reductase (MTHFR and thymidylate synthetase (TS are important targets of many antimetabolites, including 5-FU. The relationship between polymorphism in the MTHFR (C677T, A1298C and TS (5`-TUR, 3`-UTR genotypes and sensitivity of gastric cancer to 5-FU-based chemotherapy is investigated in the present study. Methods: 173 patients with advanced gastric cancer were analyzed. All patients were treated with 5-FU-based chemotherapy (FOLFOX, FP and DCF regimen. DNA from peripheral blood leukocytes was obtained before the treatment. All genotypes were detected by PCR-RFLP. 12 germline polymorphisms within 2 genes were analyzed. The genotypes of MTHFR C677T, A1298C and TS 3`-TUR were analyzed in 173 patients while TS 5`-TUR in 135 patients. Results: The overall response rate (RR was 35.8%. The RR of the DCF regimen group was significantly higher than that of the FP and FOLFOX regimen groups (55.8% vs. 27.1%, 31.1%; P=0.006. The RR of the MTHFR C677T T/T genotype was significantly higher than that of the C/ C and C/T genotypes (73.3% vs. 28.0%; P=0.000. In MTHFR A1298C, a higher RR was observed in A/A genotype compared with the C/C and A/C genotypes (41.8% vs. 21.6%, P=0.011. The RR of -6/-6 bp and -6/+6 bp genotypes in TS 3`UTR was significantly higher than that of +6/+6 bp genotype (40.3% vs. 17.6%, P=0.014. There was no difference in RR according to TS 5`UTR polymorphism (2R/2R and 2R/3R: 41.7% vs. 3R/3R: 36.8%, P=0.487. The RR of MTHFR C677T T/T genotypes in FOLFOX or FP regimens was significantly higher than that of C/C and C/T genotypes (P=0.008, P=0.000 while no difference in DCF regimen. The RR of DCF regimen wassignificantly higher than that of FOLFOX and FP regimens in C/T and C/C genotypes (P=0.000. The MTHFR C677T T/T genotypes had a significantly higher incidence of grade 3/4 emesis (66.7% and stomatitis (30.0% than patients with C/T or

  7. Evaluación psicológica de la familia con un bebé en la Unidad de Cuidados Intensivos Neonatológicos (UCIN: construcción de un inventario para evaluar el Potencial Resiliente Familiar (IPRF Psychological assessment of a family with a newborn child in the Neonatology Intensive Care Unit: design of an inventory to assess the Resilient Potential Of The Family (RPFI

    Directory of Open Access Journals (Sweden)

    Agostina Paola Caruso

    2010-12-01

    Full Text Available Importantes aportes de instrumental evaluativo comienzan a realizarse desde la Psicología Positiva que se destaca por su interés en nuevas variables de estudio como la Resiliencia Familiar. Al mismo tiempo, diversas investigaciones corroboran la importancia que tiene el funcionamiento familiar como apoyo y sostén para los padres que atraviesan la internación de un bebé en la Unidad de Cuidados Intensivos Neonatológicos (UCIN. En este trabajo se presentan los primeros avances en el proceso de construcción y validación de un Inventario para evaluar el Potencial Resiliente de la Familia que atraviesa esta problemática. Los postulados de F. Walsh (1996, 2004 brindan fundamento teórico a esta prueba que analiza los Sistemas de Creencias Familiares, los Patrones Organizacionales Familiares y la Comunicación Familiar que permiten analizar. Los resultados obtenidos en un trabajo de campo preliminar permitieron arribar a una versión definitiva tras un análisis de discriminación de los ítems que permitió su depuración. En esta etapa se encuentra en curso el estudio de las propiedades psicométricas de esta versión final en una muestra amplia y representativa.Important contributions of assessment instruments coming from Positive Psychology are being published. Interest is shown in new constructs like Family Resilience. At the same time, different researches confirm the importance of the family functioning as support and holding for parents with a preterm newborn child in a Neonatology Intensive Care Unit (NICUThis study presents preliminary analysis of the design and validation process of an Inventory for Family Potential Resilience. F. Walsh (1996, 2004 theoretical approach is taken as conceptual framework for three dimensions Family Believes Systems, Family Organizational Patterns and Family Comunication which allows a deep analysis of Family Potential Resilience. Results obtained from a preliminary pilot study allowed us to analyze

  8. Stability of therapeutic albumin solutions used for molecular adsorbent recirculating system-based liver dialysis.

    Science.gov (United States)

    De Bruyn, Tom; Meijers, Björn; Evenepoel, Pieter; Laub, Ruth; Willems, Ludo; Augustijns, Patrick; Annaert, Pieter

    2012-01-01

    Mounting evidence suggests beneficial effects of albumin dialysis-based liver support in patients suffering from acute-on-chronic liver failure. Molecular adsorbent recirculating system (MARS) is a nonbiological liver support device, based on the exchange of albumin-bound toxins between the patient's blood and a 20% human serum albumin solution in a secondary circuit. Bound toxins are continuously removed from the circulating albumin by exposure to activated charcoal and an ion-exchange resin. The aim of the present in vitro study was to determine the impact of exposure to charcoal and resin on the ligand binding properties of albumins, containing various levels of stabilizers and obtained from different suppliers (Baxter, CAF-DCF [Red Cross], and Sigma-Aldrich). Albumin binding properties were assessed by measuring equilibrium binding properties of warfarin, diazepam, and salicylate before and after incubation (for up to 7 h) with adsorbing materials; albumin-associated esterase-like activities were also determined. Notable changes in albumin binding upon incubation with adsorbing materials were only observed when using warfarin as a ligand. Affinity of warfarin for the Baxter and Sigma albumins showed a pronounced decrease (higher K(d) ) after the 1-7-h exposure to charcoal or resin. In the absence of adsorbing materials, similar effects were found, indicating that incubation time per se affects albumin binding properties. Following exposure to resin, Baxter albumin binding capacity (B(max)) increased about twofold. For albumin obtained from CAF-DCF, binding affinity and capacity for warfarin were constant under all conditions tested. Esterase-like activities associated with these albumins were either maintained or enhanced (up to 2.5-fold in case of Sigma albumin) following 7-h incubations with adsorbing materials. Our data suggest limited direct influence of the presence of stabilizers in therapeutic albumin solutions on baseline binding properties of human

  9. Evaluation of the Terminal Sequencing and Spacing System for Performance Based Navigation Arrivals

    Science.gov (United States)

    Thipphavong, Jane; Jung, Jaewoo; Swenson, Harry N.; Martin, Lynne; Lin, Melody; Nguyen, Jimmy

    2013-01-01

    NASA has developed the Terminal Sequencing and Spacing (TSS) system, a suite of advanced arrival management technologies combining timebased scheduling and controller precision spacing tools. TSS is a ground-based controller automation tool that facilitates sequencing and merging arrivals that have both current standard ATC routes and terminal Performance-Based Navigation (PBN) routes, especially during highly congested demand periods. In collaboration with the FAA and MITRE's Center for Advanced Aviation System Development (CAASD), TSS system performance was evaluated in human-in-the-loop (HITL) simulations with currently active controllers as participants. Traffic scenarios had mixed Area Navigation (RNAV) and Required Navigation Performance (RNP) equipage, where the more advanced RNP-equipped aircraft had preferential treatment with a shorter approach option. Simulation results indicate the TSS system achieved benefits by enabling PBN, while maintaining high throughput rates-10% above baseline demand levels. Flight path predictability improved, where path deviation was reduced by 2 NM on average and variance in the downwind leg length was 75% less. Arrivals flew more fuel-efficient descents for longer, spending an average of 39 seconds less in step-down level altitude segments. Self-reported controller workload was reduced, with statistically significant differences at the p less than 0.01 level. The RNP-equipped arrivals were also able to more frequently capitalize on the benefits of being "Best-Equipped, Best- Served" (BEBS), where less vectoring was needed and nearly all RNP approaches were conducted without interruption.

  10. Decompositions of Multiattribute Utility Functions Based on Convex Dependence.

    Science.gov (United States)

    1982-03-01

    School of Business, 200E, BEB Decision Research University of Texas at Austin 1201 Oak Street Austin, Texas 78712 Eugene, Oregon 97401 Professor Norman ...Stephen M. Robinson Dept. of Industrial Engineering Dr. Richard D. Smallwood Univ. of Wisconsin, Madison Applied Decision Analysis, Inc. 1513 University

  11. Base

    DEFF Research Database (Denmark)

    Hjulmand, Lise-Lotte; Johansson, Christer

    2004-01-01

    BASE - Engelsk basisgrammatik er resultatet af Lise-Lotte Hjulmands grundige bearbejdning og omfattende revidering af Christer Johanssons Engelska basgrammatik. Grammatikken adskiller sig fra det svenske forlæg på en lang række punkter. Den er bl.a. tilpasset til et dansk publikum og det danske...

  12. Fertility rates and perinatal outcomes of adolescent pregnancies: a retrospective population-based study.

    Science.gov (United States)

    Souza, Maria de Lourdes de; Lynn, Fiona Ann; Johnston, Linda; Tavares, Eduardo Cardoso Teixeira; Brüggemann, Odaléa Maria; Botelho, Lúcio José

    2017-04-06

    analyze trends in fertility rates and associations with perinatal outcomes for adolescents in Santa Catarina, Brazil. a population-based study covering 2006 to 2013 was carried out to evaluate associations between perinatal outcomes and age groups, using odds ratios, and Chi-squared tests. differences in the fertility rate among female adolescents across regions and time period were observed, ranging from 40.9 to 72.0 per 1,000 in mothers aged 15-19 years. Adolescents had fewer prenatal care appointments than mothers ≥20 years, and a higher proportion had no partner. Mothers aged 15-19 years were more likely to experience preterm birth (OR:1.1; CI:1.08-1.13; ppobreza social y económica. Madres adolescentes y sus bebés tienen mayor probabilidad de efectos perinatales adversos. Enfermeros, trabajadores de salud pública, profesionales de salud y asistencia social y educadores deben colaborar para mejor dirigir estrategias a adolescentes con riesgo superior; para fines de ayudar a reducir las tasas de fertilidad y mejorar los resultados.

  13. Atuação fonoaudiológica na Unidade De Terapia Intensiva em bebê com síndrome de pterígeo poplíteo Speech-language therapy at the Neonatal Intensive Care Unit with a baby with popliteal pterygium syndrome

    Directory of Open Access Journals (Sweden)

    Susana Elena Delgado

    2009-01-01

    Full Text Available O objetivo deste estudo foi descrever a intervenção fonoaudiológica para a adequação da função alimentar por meio da avaliação e tratamento do sistema estomatognático e suas funções. O estudo foi feito a partir do relato de caso de um recém-nascido portador da Síndrome de Pterígio Poplíteo, que foi alimentado por sonda, atendido na Unidade de Tratamento Intensivo Neonatal. A avaliação fonoaudiológica apresentou os seguintes resultados: mandíbula retraída com pouca abertura, gengivas superiores e inferiores hipertróficas, palato com fissura pós-forame incisivo incompleta, reflexos orais de alimentação (busca, sucção, deglutição presentes e adequados; reflexos de defesa (mordida, gag anteriorizados e exacerbados. Apresentou pouca tolerância ao toque intra-oral. A sucção não nutritiva teve como resultado um número de sucções/pausas de 3:1, com ritmo presente, com força débil. Na sucção nutritiva, por meio da mamadeira, apresentou sucções/pausa de 5:1, com pausas longas. Foram observados sinais de estresse de alteração respiratória, estridor inspiratório leve, um episódio de engasgo e reflexo de gag anteriorizado e exacerbado, demonstrando hipersensibilidade oral em resposta ao bico convencional da mamadeira. Foram realizadas cinco sessões de intervenção fonoaudiológica, com orientações para a mãe e a equipe de enfermagem sobre postura, estimulação oral e uso de bico ortodôntico. O recém-nascido teve alta com via oral plena e com bom ganho de peso.The aim of this study was to describe the speech-language intervention for the adequacy of the alimentary function through assessment and treatment of the stomatognathic system and its functions. The study was carried out based on the case report of a newborn with popliteal pterygium syndrome, fed by tube while taken care of at the Neonatal Intensive Care Unit (NICU. The speech-language assessment presented the following results: retracted jaw with

  14. Radon: characteristics in air and dose conversion factors

    International Nuclear Information System (INIS)

    Porstendoerfer, J.; Reineking, A.

    1998-01-01

    The dose conversion factor (DCF) which gives the relationship between effective dose and potential alpha energy concentration of inhaled short-lived radon decay products is calculated with a dosimetric approach. The calculations are based on a lung dose model with a structure that is related to the new recommended ICRP respiratory tract model (ICRP 66). The characteristics of the radon decay products concerning the unattached fraction and the activity size distribution of the radon decay products are important input quantities for the calculation of DCF. The experimental data about these quantities obtained from measurements in homes, at work places, and in the free atmosphere near ground in the last past years are reported. The DCF fraction of the unattached (DCF u ) and aerosol-attached (DCF ae ) radon decay products for different places are presented, taking into account the measured characteristics. The influence of the unattached radon daughters on the dose conversion factor DCF u is reported and compared with the DCF ae of the aerosol fraction. (author)

  15. La madre dice: el dolor de mi bebé es mi dolor

    OpenAIRE

    ROSA YOLANDA MUNÉVAR TORRES; LUCY MUÑOZ DE RODRÍGUEZ

    2010-01-01

    Objetivo: describir los sentimientos de las madres y el apoyo social con el que cuentan cuando su recién nacido siente dolor. Metodología: estudio cualitativo, de pequeño alcance, con metodología etnográfica. Se realizaron 22 entrevistas en profundidad a 8 madres, con promedio de 2 a 4 por informante. La muestra fue la saturación de información seleccionada por pertinencia y adecuación; se utilizaron notas de campo y observación participante. Los datos se analizaron según la metodología de Ja...

  16. "What Big Teeth You Have!" French Studies Gets in Beb with the Commercialized Academy."

    Science.gov (United States)

    Porter, Laurence M.

    2002-01-01

    Discusses reactions of foreign language departments with declining enrollments and hence less funds and the impulse to shift a focus on the means and purpose of instruction. Suggests that it is important to preserve face-to-face direct coaching in language learning and to expose students to the Western European heritage that shapes the experience…

  17. Luto materno: dor e enfrentamento da perda de um bebê

    Directory of Open Access Journals (Sweden)

    Beatriz Gonçalves Lopes

    2017-01-01

    Full Text Available Objective : to understand how mothers experienced the experience of their babies’ mourning. Methods : this is a qualitative study, conducted with nine mothers who experienced the loss of a child under one year. Semi- structured interviews were conducted, and the reports were organized using the Collective Subject Discourse. Results : the participants indicated the complexity and difficulties of the mourning process, implying a grief that lasted but could be overcome through spirituality and family support. They also showed the lack of support from the health services. Conclusion : although mourning is a complex and peculiar process, the mothers pointed out the importance of the spirituality and support of their relatives, but highlighted the lack of support from the health services.

  18. Cuando dejan de ser bebés. Una experiencia en la casa infantil Universitaria

    Directory of Open Access Journals (Sweden)

    Karla Martorell Esquivel

    2007-01-01

    Full Text Available En el presente artículo se realiza un análisis reflexivo acerca de los procesos experimentados por los niños y las niñas entre los dos y los tres años, en relación con los cambios continuos y progresivos en las diferentes áreas del desarrollo, a saber socioafectiva, cognitivo-lingüístico y psicomotriz. Asimismo, se da a conocer la experiencia obtenida como docentes de la Casa Infantil Universitaria de la Universidad de Costa Rica en cuanto a las generalidades del desarrollo en esta edad. Las particularidades presentadas por la población infantil que asiste a la institución, así como las estrategias seguidas para su atención. Se hace referencia a la experiencia lograda durante el período del II Ciclo 2005 y el I Ciclo 2006, el cual constituyó una excelente oportunidad para favorecer el desarrollo integral de las personas de esas edades y el crecimiento profesional y personal de las maestras de la Casa Infantil Universitaria. Finalmente, se brindan algunas estrategias y consideraciones finales sobre cómo conducir y guiar a los niños y las niñas de esta edad en ambientes no escolarizados.

  19. Cuando dejan de ser bebés. una experiencia en la Casa Infantil Universitaria

    Directory of Open Access Journals (Sweden)

    González Corrales, Laura

    2007-04-01

    Full Text Available Resumen: En el presente artículo se realiza un análisis reflexivo acerca de los procesos experimentados por losniños y las niñas entre los dos y los tres años, en relación con los cambios continuos y progresivos en lasdiferentes áreas del desarrollo, a saber socioafectiva, cognitivo-lingüístico y psicomotriz. Asimismo, se da aconocer la experiencia obtenida como docentes de la Casa Infantil Universitaria de la Universidad de Costa Ricaen cuanto a las generalidades del desarrollo en esta edad. Las particularidades presentadas por la poblacióninfantil que asiste a la institución, así como las estrategias seguidas para su atención. Se hace referencia a laexperiencia lograda durante el período del II Ciclo 2005 y el I Ciclo 2006, el cual constituyó una excelenteoportunidad para favorecer el desarrollo integral de las personas de esas edades y el crecimiento profesional ypersonal de las maestras de la Casa Infantil Universitaria. Finalmente, se brindan algunas estrategias yconsideraciones finales sobre cómo conducir y guiar a los niños y las niñas de esta edad en ambientes noescolarizados.Abstract: The next article is intended to make a reflexive analysis about the procedures experimented by the littleboys and girls between ages two to five years old, related to the continuous and progressive changes in thedifferent areas of the development, such as the socio/affective area, the cognitive/linguistic area and thepsychomotor area. Therefore, it is set to cheer the experience obtained as teachers of the Children’s UniversityHouse from The Costa Rican University as far as the generalities of the development in these age range, theparticularities presented by the children that attend this institution, as well as the strategies that were followed totake care of this population. Is focused mainly to the experience achieved among the 2005 II semester and 2006 Isemester periods, that was an excellent opportunity to favor the integral development of the children and theprofessional and personal growth of the teachers of this house. Finally, some final strategies and considerations are given about the management that can be given to the children in these age range.

  20. The Effectiveness of Capital Budgeting Techniques in Evaluating ...

    African Journals Online (AJOL)

    DR Nneka

    evaluating the profitability of a project are- pay-back, accounting rate of return, net ... is called financial assets investment, and the technique for evaluating the feasibility of ..... The fundamental theory of share values is based on DCF principles.

  1. A computational study on tuning the field emission and electronic properties of BN nanocones by impurity atom doping

    Science.gov (United States)

    Ahmadi, S.; Delir Kheirollahi Nezhad, P.; Hosseinian, A.; Vessally, E.

    2018-06-01

    We have inspected the effect of substituting a boron or nitrogen atom of a BN nanocone (BNNC) by two impurity atoms with lower and higher atomic numbers based on the density functional theory calculations. Our results explain the experimental observations in a molecular level. Orbital and partial density of states analyses show that the doping processes increase the electrical conductivity by creating new states within the gap of BNNC as follows: BeB > ON > CB > CN. The electron emission current from the surface of BNNC is improved after the CB and BeB dopings, and it is decreased by CN and ON dopings. The BeB and CN dopings make the BNNC a p-type semiconductor and the CB and ON dopings make it an n-type one in good agreement with the experimental results. The ON and BeB doping processes are suggested for the field emission current, and electrical conductivity enhancement, respectively.

  2. AUTOFLUORESCENCE IN PRIMARY RAINBOW TROUT HEPATOCYTES INTERFERES WITH MEASUREMENT OF OXIDATIVE ACTIVITY VIA THE EXOGENOUS PROBE, DCF, BUT PROVIDES INTRINSIC MEASURE OF CELLULAR OXIDATIVE STATE

    Science.gov (United States)

    The compound 2', 7'-dichlorodihydrofluoroscein diacetate is a probe commonly used to detect oxidative activity in live cells. Studies were undertaken to measure reactive oxygen species generated in freshly isolated rainbow trout hepatocytes exposed to a variety of redox cycling c...

  3. Rovibrational spectra of DCF3 in the 2000 cm−1 region: A high-resolution study of the v5 = 2 and v2 = v5 = 1 levels

    Czech Academy of Sciences Publication Activity Database

    Ceausu-Velcescu, A.; Pracna, Petr; Predoi-Cross, A.

    2014-01-01

    Roč. 305, NOV 2014 (2014), s. 1-9 ISSN 0022-2852 Institutional support: RVO:61388955 Keywords : deuterated fluoroform * overtone bands * combination bands Subject RIV: CF - Physical ; Theoretical Chemistry Impact factor: 1.482, year: 2014

  4. Synthesis and Evaluation of the Antioxidant Activity of Lipophilic Phenethyl Trifluoroacetate Esters by In Vitro ABTS, DPPH and in Cell-Culture DCF Assays

    Directory of Open Access Journals (Sweden)

    Roberta Bernini

    2018-01-01

    Full Text Available Polyphenols are natural compounds showing a variety of health-promoting effects. Unfortunately, due to low lipid solubility, their applications in the pharmaceutical, food, and cosmetic industries are limited. With the aim of obtaining novel lipophilic derivatives, the present study reports the synthesis of a series of phenethyl trifluoroacetate esters containing up to two hydroxyl groups in the aromatic ring. Experimental logP values confirmed a greater lipophilicity of the novel compounds compared to the parent compounds. The radical scavenging capacity of all phenethyl trifluoroacetate esters was evaluated by in vitro assays (ABTS, DPPH and in cultured cells (L6 myoblasts and THP-1 leukemic monocytes using 2′,7′-dichlorodihydrofluorescein diacetate. These data revealed that the esters showed a good antioxidant effect that was strictly dependent on the grade of hydroxylation of the phenyl ring. The lack of toxicity, evaluated by the MTT assay and proliferation curves, makes these trifluoroacetates attractive derivatives for pharmaceutical, food, and cosmetic applications.

  5. Computational insights into the photocyclization of diclofenac in solution: effects of halogen and hydrogen bonding.

    Science.gov (United States)

    Bani-Yaseen, Abdulilah Dawoud

    2016-08-21

    The effects of noncovalent interactions, namely halogen and hydrogen bonding, on the photochemical conversion of the photosensitizing drug diclofenac (DCF) in solution were investigated computationally. Both explicit and implicit solvent effects were qualitatively and quantitatively assessed employing the DFT/6-31+G(d) and SQM(PM7) levels of theory. Full geometry optimizations were performed in solution for the reactant DCF, hypothesized radical-based intermediates, and the main product at both levels of theories. Notably, in good agreement with previous experimental results concerning the intermolecular halogen bonding of DCF, the SQM(PM7) method revealed different values for d(ClO, Å) and ∠(C-ClO, °) for the two chlorine-substituents of DCF, with values of 2.63 Å/162° and 3.13 Å/142° for the trans and cis orientations, respectively. Employing the DFT/6-31+G(d) method with implicit solvent effects was not conclusive; however, explicit solvent effects confirmed the key contribution of hydrogen and halogen bonding in stabilizing/destabilizing the reactant and hypothesized intermediates. Interestingly, the obtained results revealed that a protic solvent such as water can increase the rate of photocyclization of DCF not only through hydrogen bonding effects, but also through halogen bonding. Furthermore, the atomic charges of atoms majorly involved in the photocyclization of DCF were calculated using different methods, namely Mulliken, Hirshfeld, and natural bond orbital (NBO). The obtained results revealed that in all cases there is a notable nonequivalency in the noncovalent intermolecular interactions of the two chlorine substituents of DCF and the radical intermediates with the solvent, which in turn may account for the discrepancy of their reactivity in different media. These computational results provide insight into the importance of halogen and hydrogen bonding throughout the progression of the photochemical conversion of DCF in solution.

  6. Degradation of Diclofenac by sonosynthesis of pyrite nanoparticles.

    Science.gov (United States)

    Khabbaz, M; Entezari, M H

    2017-02-01

    The aim of this work is to evaluate the ability of synthesized pyrite nanoparticles (NPs) on the degradation of Diclofenac (DCF) as a model pharmaceutical pollutant. Pyrite NPs were synthesized by sonication with 20 kHz apparatus under optimum conditions. The effects of pyrite loading (0.02-0.20 g/L), DCF concentration (10-50 mg/L) and initial pH (2-10) on the degradation were investigated. The results revealed that the NPs have a great activity in the degradation of DCF with 25 mg/L concentration. A first-order kinetic model was found to match the experimental data. Complete degradation (100%) of DCF was achieved by pyrite within 3 min and 20 min in acidic and natural pH, respectively. To gain an understanding of the degradation mechanism and the role of pyrite, a UV-Vis spectrophotometer was employed to follow the DCF concentration. In addition, the Chemical Oxygen Demand (COD) and the amounts of ammonium and chloride ions verified complete degradation of DCF in both pH values. The results demonstrated that Fe 2+ ions were generated by the pyrite surface and the hydroxyl radical (OH) was formed by Fe 2+ ions through the Fenton reaction. Based on using radical scavengers in the degradation process, OH was mainly responsible for the fast degradation of DCF. COD measurements confirmed that DCF finally degraded to further oxidized forms (NH 4 + , Cl - ). Copyright © 2016 Elsevier Ltd. All rights reserved.

  7. Adsorption and removal of clofibric acid and diclofenac from water with MIEX resin.

    Science.gov (United States)

    Lu, Xian; Shao, Yisheng; Gao, Naiyun; Chen, Juxiang; Zhang, Yansen; Wang, Qiongfang; Lu, Yuqi

    2016-10-01

    This study demonstrates the use of MIEX resin as an efficient adsorbent for the removal of clofibric acid (CA) and diclofenac (DCF). The adsorption performance of CA and DCF are investigated by a batch mode in single-component or bi-component adsorption system. Various factors influencing the adsorption of CA and DCF, including initial concentration, contact time, adsorbent dosage, initial solution pH, agitation speed, natural organic matter and coexistent anions are studied. The Langmuir model can well describe CA adsorption in single-component system, while the Freundlich model gives better fitting in bi-component system. The DCF adsorption can be well fitted by the Freundlich model in both systems. Thermodynamic analyses show that the adsorption of CA and DCF is an endothermic (ΔH(o) > 0), entropy driven (ΔS(o) > 0) process and more randomness exists in the DCF adsorption process. The values of Gibbs free energy (ΔG(o)  0) for CA adsorption. The kinetic data suggest the adsorption of CA and DCF follow the pseudo-first-order model in both systems and the intra-particle is not the unique rate-limiting step. The adsorption process is controlled simultaneously by external mass transfer and surface diffusion according to the surface diffusion modified Biot number (Bis) ranging from 1.06 to 26.15. Moreover, the possible removal mechanism for CA and DCF is respectively proposed based on the ion exchange stoichiometry. Copyright © 2016 Elsevier Ltd. All rights reserved.

  8. Brazilian energy balance 2014 - calendar year 2013: final report; Balanco energetico nacional 2014 - ano base 2013: relatorio final

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2014-08-01

    The BEB is divided into eight chapters and ten annexes, whose contents are as follow: Chapter 1- Energy analysis and aggregated data- presents energy highlights per source in 2012 and analyses the evolution of the domestic energy supply and its relationship with economic growth in 2013; Chapter 2- Energy supply and demand by source- has the accountancy, per primary and secondary energy sources, of the production, import, export, variation of stocks, losses, adjustments, disaggregated total per socioeconomic sector in the country; Chapter 3- Energy consumption by sector- presents the final energy consumption classified by primary and secondary source for each sector of the economy; Chapter 4- Energy imports and exports- presents the evolution of the data on the import and export of energy and the dependence on external energy; Chapter 5- Balance of transformation centers- presents the energy balances for the energy transformation centers including their losses; Chapter 6- Energy resources and reserves- has the basic concepts use in the survey of resources and reserves of primary energy sources; Chapter 7- Energy and socioeconomics- contains a comparison of energy, economic and population parameters, specific consumption, energy intensities, average prices and spending on petroleum imports; Chapter 8- State energy data- presents energy data for the states by Federal Unit, main energy source production, energy installations, reserves and hydraulic potential; Relating to annexes the current structure is presented bellow: Annex 1- Installed capacity- shows the installed capacity of electricity generation, the installed capacity of Itaipu hydro plant and the installed capacity for oil refining.; Annex 2- Self-production of electricity- presents disaggregated data of self-production, considering sources and sectors. Annex 3- World energy data- presents the main indicators for the production, import, export and consumption per energy source and region; Annex 4- Useful

  9. Brazilian energy balance 2013 - calendar year 2012: final report; Balanco energetico nacional 2013 - ano base 2012: relatorio final

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2013-07-01

    The BEB is divided into eight chapters and ten annexes, whose contents are as follow: Chapter 1- Energy analysis and aggregated data- presents energy highlights per source in 2012 and analyses the evolution of the domestic energy supply and its relationship with economic growth in 2012; Chapter 2- Energy supply and demand by source- has the accountancy, per primary and secondary energy sources, of the production, import, export, variation of stocks, losses, adjustments, disaggregated total per socioeconomic sector in the country; Chapter 3- Energy consumption by sector- presents the final energy consumption classified by primary and secondary source for each sector of the economy; Chapter 4- Energy imports and exports- presents the evolution of the data on the import and export of energy and the dependence on external energy; Chapter 5- Balance of transformation centers- presents the energy balances for the energy transformation centers including their losses; Chapter 6- Energy resources and reserves- has the basic concepts use in the survey of resources and reserves of primary energy sources; Chapter 7- Energy and socioeconomics- contains a comparison of energy, economic and population parameters, specific consumption, energy intensities, average prices and spending on petroleum imports; Chapter 8- State energy data- presents energy data for the states by Federal Unit, main energy source production, energy installations, reserves and hydraulic potential; Relating to annexes the current structure is presented bellow: Annex 1- Installed capacity- shows the installed capacity of electricity generation, the installed capacity of Itaipu hydro plant and the installed capacity for oil refining; Annex 2- Self-production of electricity- presents disaggregated data of self-production, considering sources and sectors. Annex 3- World energy data- presents the main indicators for the production, import, export and consumption per energy source and region; Annex 4- Useful

  10. Ion-exchange selectivity of diclofenac, ibuprofen, ketoprofen, and naproxen in ureolyzed human urine.

    Science.gov (United States)

    Landry, Kelly A; Sun, Peizhe; Huang, Ching-Hua; Boyer, Treavor H

    2015-01-01

    This research advances the knowledge of ion-exchange of four non-steroidal anti-inflammatory drugs (NSAIDs) - diclofenac (DCF), ibuprofen (IBP), ketoprofen (KTP), and naproxen (NPX) - and one analgesic drug-paracetamol (PCM) - by strong-base anion exchange resin (AER) in synthetic ureolyzed urine. Freundlich, Langmuir, Dubinin-Astakhov, and Dubinin-Radushkevich isotherm models were fit to experimental equilibrium data using nonlinear least squares method. Favorable ion-exchange was observed for DCF, KTP, and NPX, whereas unfavorable ion-exchange was observed for IBP and PCM. The ion-exchange selectivity of the AER was enhanced by van der Waals interactions between the pharmaceutical and AER as well as the hydrophobicity of the pharmaceutical. For instance, the high selectivity of the AER for DCF was due to the combination of Coulombic interactions between quaternary ammonium functional group of resin and carboxylate functional group of DCF, van der Waals interactions between polystyrene resin matrix and benzene rings of DCF, and possibly hydrogen bonding between dimethylethanol amine functional group side chain and carboxylate and amine functional groups of DCF. Based on analysis of covariance, the presence of multiple pharmaceuticals did not have a significant effect on ion-exchange removal when the NSAIDs were combined in solution. The AER reached saturation of the pharmaceuticals in a continuous-flow column at varying bed volumes following a decreasing order of DCF > NPX ≈ KTP > IBP. Complete regeneration of the column was achieved using a 5% (m/m) NaCl, equal-volume water-methanol solution. Results from multiple treatment and regeneration cycles provide insight into the practical application of pharmaceutical ion-exchange in ureolyzed urine using AER.

  11. A new topical formulation enhances relative diclofenac bioavailability in healthy male subjects

    Science.gov (United States)

    Brunner, Martin; Davies, David; Martin, Wolfgang; Leuratti, Chiara; Lackner, Edith; Müller, Markus

    2011-01-01

    AIMS To evaluate the relative plasma and tissue availability of diclofenac after repeated topical administration of a novel diclofenac acid-based delivery system under development (DCF100C). METHODS This was a single-centre, open-label, three-period, crossover clinical trial of five discrete diclofenac formulations. Test preparations comprised two concentrations (1.0% and 2.5%) of DCF100C, with and without menthol and eucalyptus oil (total daily doses of 5 mg and 12.5 mg). Voltaren® Emulgel® gel (1.0%) was the commercially available comparator (total daily dose of 40 mg). Topical application was performed onto the thigh of 20 male healthy subjects for 3 days. Applying a Youden square design, each drug was evaluated in 12 subjects, with each subject receiving three test preparations. Blood sampling and in vivo microdialysis in subcutaneous adipose and skeletal muscle tissues were performed for 10 h after additional final doses on the morning of day 4. RESULTS All four DCF100C formulations demonstrated a three- to fivefold, dose-dependent increase in systemic diclofenac availability compared with Voltaren® Emulgel® and were approximately 30–40 times more effective at facilitating diclofenac penetration through the skin, taking different dose levels into account. Tissue concentrations were low and highly variable. The 2.5% DCF100C formulation without sensory excipients reached the highest tissue concentrations. AUC(0,10 h) was 2.71 times greater than for Voltaren® Emulgel® (90% CI 99.27, 737.46%). Mild erythema at the application site was the most frequent adverse event associated with DCF100C. There were no local symptoms after treatment with the reference formulation. CONCLUSION DCF100C formulations were safe and facilitated greater diclofenac penetration through the skin compared with the commercial comparator. DCF100C represents a promising alternative to oral and topical diclofenac treatments that warrants further development. PMID:21241352

  12. El primer encuentro del padre con el bebé prematuro en la Unidad de Cuidados Intensivos Neonatales

    Directory of Open Access Journals (Sweden)

    Fernanda Martins Castro

    2015-06-01

    Full Text Available Objetivo: Describir el primer encuentro del padre con el hijo en la Unidad de Cuidados Intensivos Neonatales (UCIN y analizar el significado de este momento en la perspectiva de los padres. Método: estudio cualitativo, con ocho padres de niños prematuros, a través de entrevistas semi-estructuradas. Los datos se analizaron a través del análisis temático. Resultados: Surgieron tres núcleos temáticos: "primer encuentro con hijo prematuro: sentimientos paternales y emociones", "construcción de la relación entre los profesionales y los padres de los recién nacidos a partir del primer encuentro" y reconocimiento de la paternidad en el contexto de la UCIN. Conclusión: El primer encuentro del padre con su hijo en la UCIN provoca sentimientos y sorpresa, dolor, incertidumbre, alegría y esperanza. El equipo de salud debe estar preparado para brindar apoyo emocional, información y establecer una comunicación efectiva desde la primera visita.

  13. Madres descubriendo el amor incondicional en el proceso adaptativo de hospitalización de su bebé prematuro

    Directory of Open Access Journals (Sweden)

    Beatriz Villamizar Carvajal

    2014-11-01

    Full Text Available Introducción: El nacimiento prematuro tiene un impacto social y emocional para la familia, por lo tanto, enfermería tiene el reto de indagar y profundizar sobre las diversas experiencias; para proponer intervenciones que favorezcan el desempeño del rol materno. Objetivo: Describir los resultados de un metaestudio sobre la adquisición del rol materno de la madre con un recién nacido prematuro hospitalizado. Materiales y Métodos: El metaestudio, involucra 3 fases analíticas: análisis metadatos, meta-método, meta-teoría, consideradas a la luz del contexto histórico, sociocultural y disciplinar. La búsqueda se realizó en: CINAHL, Medline, PsycINFO, Dissertation Abstracts. Resultados: Se incluyeron 26 investigaciones de 13 países publicadas en inglés, portugués y español (durante los años 2001-2013. Las expresiones categóricas que emergen de estas investigaciones, son: pérdida de autocontrol; experimentando dolor; buscando significado a los eventos; adaptándose a la situación; adquiriendo el rol materno y descubriendo el amor incondicional. Discusión: El metaestudio permitió el análisis crítico de la información, orientando la investigación dentro de un contexto de patrones sistemáticos, con la construcción de una alternativa de cambio del enfoque tradicional de pérdida y sufrimiento al del redescubrimiento desde la visión positiva y transformativa. Conclusiones: Reconocer la carga emocional de las madres de recién nacido prematuro obliga al equipo de salud a intervenir e idear estrategias de apoyo, para hacer menos doloroso el proceso de hospitalización de sus hijos.  Por ello el cuidado humanizado en la unidad neonatal, debe centrar sus acciones en un cuidado individual, singular, en la integralidad y respeto por la vida.Palabras clave: Maternidad, Recién Nacido Prematuro, Enfermería Neonatal. (Fuente: DeCs BIREME.Cómo citar este artículo: Villamizar B, Vargas C, Rueda E. Madres descubriendo el amor incondicional en el proceso adaptativo de hospitalización de su bebe prematuro. Rev Cuid. 2014; 5(2:782-91. http://dx.doi.org/10.15649/cuidarte.v5i2.93

  14. On Curating Multimodal Sensory Data for Health and Wellness Platforms

    Directory of Open Access Journals (Sweden)

    Muhammad Bilal Amin

    2016-06-01

    Full Text Available In recent years, the focus of healthcare and wellness technologies has shown a significant shift towards personal vital signs devices. The technology has evolved from smartphone-based wellness applications to fitness bands and smartwatches. The novelty of these devices is the accumulation of activity data as their users go about their daily life routine. However, these implementations are device specific and lack the ability to incorporate multimodal data sources. Data accumulated in their usage does not offer rich contextual information that is adequate for providing a holistic view of a user’s lifelog. As a result, making decisions and generating recommendations based on this data are single dimensional. In this paper, we present our Data Curation Framework (DCF which is device independent and accumulates a user’s sensory data from multimodal data sources in real time. DCF curates the context of this accumulated data over the user’s lifelog. DCF provides rule-based anomaly detection over this context-rich lifelog in real time. To provide computation and persistence over the large volume of sensory data, DCF utilizes the distributed and ubiquitous environment of the cloud platform. DCF has been evaluated for its performance, correctness, ability to detect complex anomalies, and management support for a large volume of sensory data.

  15. On Curating Multimodal Sensory Data for Health and Wellness Platforms

    Science.gov (United States)

    Amin, Muhammad Bilal; Banos, Oresti; Khan, Wajahat Ali; Muhammad Bilal, Hafiz Syed; Gong, Jinhyuk; Bui, Dinh-Mao; Cho, Soung Ho; Hussain, Shujaat; Ali, Taqdir; Akhtar, Usman; Chung, Tae Choong; Lee, Sungyoung

    2016-01-01

    In recent years, the focus of healthcare and wellness technologies has shown a significant shift towards personal vital signs devices. The technology has evolved from smartphone-based wellness applications to fitness bands and smartwatches. The novelty of these devices is the accumulation of activity data as their users go about their daily life routine. However, these implementations are device specific and lack the ability to incorporate multimodal data sources. Data accumulated in their usage does not offer rich contextual information that is adequate for providing a holistic view of a user’s lifelog. As a result, making decisions and generating recommendations based on this data are single dimensional. In this paper, we present our Data Curation Framework (DCF) which is device independent and accumulates a user’s sensory data from multimodal data sources in real time. DCF curates the context of this accumulated data over the user’s lifelog. DCF provides rule-based anomaly detection over this context-rich lifelog in real time. To provide computation and persistence over the large volume of sensory data, DCF utilizes the distributed and ubiquitous environment of the cloud platform. DCF has been evaluated for its performance, correctness, ability to detect complex anomalies, and management support for a large volume of sensory data. PMID:27355955

  16. The effect of dry caper (capparis spinosa) fruit on egg production and quality characteristics of laying hens

    International Nuclear Information System (INIS)

    Yildirim, A.; Tahtali, Y.; Sen, M. I.; Duman, M.

    2014-01-01

    This study was conducted to determine the effect of increasing dietary inclusion of dry Caper (Capparis spinosa) fruit (DCF) on egg production and quality characteristics of laying hens between 20 and 32 weeks of age. Four groups of commercial hens (ATAK-S) were fed with diets containing 0, 5, 10 and 15 g DCF/kg. The results showed that final body weight, feed intake, shape index (SI) and morning hen - day egg yield were influenced by dietary supplementation of DCF (P 0.05) during the entire experiment. The lightness (L*) and redness (a*) values for egg shell color were similar (P>0.05) in the DCL supplemented groups as compared to the control group. The yellowness (b*), Hue angle (H), chroma (C*) and E* values were lower (P<0.05) in 15 g DFC/kg group when compared with the control. Trolox equivalent antioxidant capacity (TEAC), ferric reducing antioxidant power (FRAP) and total phenolics amount of DCF were 43.75+-0.680 mmol trolox/kg, 60.03+-3.710 mmol TEAC/kg and 3.16+-0.060 g gallic acid equivalents (GAE)/kg, respectively. Based on the results from the current study, the dietary supplementation with dry DCF had adverse effects on productivity performance traits and egg quality. (author)

  17. Improving the Separability of Deep Features with Discriminative Convolution Filters for RSI Classification

    Directory of Open Access Journals (Sweden)

    Na Liu

    2018-03-01

    Full Text Available The extraction of activation vectors (or deep features from the fully connected layers of a convolutional neural network (CNN model is widely used for remote sensing image (RSI representation. In this study, we propose to learn discriminative convolution filter (DCF based on class-specific separability criteria for linear transformation of deep features. In particular, two types of pretrained CNN called CaffeNet and VGG-VD16 are introduced to illustrate the generality of the proposed DCF. The activation vectors extracted from the fully connected layers of a CNN are rearranged into the form of an image matrix, from which a spatial arrangement of local patches is extracted using sliding window strategy. DCF learning is then performed on each local patch individually to obtain the corresponding discriminative convolution kernel through generalized eigenvalue decomposition. The proposed DCF learning characterizes that a convolutional kernel with small size (e.g., 3 × 3 pixels can be effectively learned on a small-size local patch (e.g., 8 × 8 pixels, thereby ensuring that the linear transformation of deep features can maintain low computational complexity. Experiments on two RSI datasets demonstrate the effectiveness of DCF in improving the classification performances of deep features without increasing dimensionality.

  18. Integrated Assessment of Diclofenac Biotransformation, Pharmacokinetics, and Omics-Based Toxicity in a Three-Dimensional Human Liver-Immunocompetent Coculture System.

    Science.gov (United States)

    Sarkar, Ujjal; Ravindra, Kodihalli C; Large, Emma; Young, Carissa L; Rivera-Burgos, Dinelia; Yu, Jiajie; Cirit, Murat; Hughes, David J; Wishnok, John S; Lauffenburger, Douglas A; Griffith, Linda G; Tannenbaum, Steven R

    2017-07-01

    In vitro hepatocyte culture systems have inherent limitations in capturing known human drug toxicities that arise from complex immune responses. Therefore, we established and characterized a liver immunocompetent coculture model and evaluated diclofenac (DCF) metabolic profiles, in vitro-in vivo clearance correlations, toxicological responses, and acute phase responses using liquid chromatography-tandem mass spectrometry. DCF biotransformation was assessed after 48 hours of culture, and the major phase I and II metabolites were similar to the in vivo DCF metabolism profile in humans. Further characterization of secreted bile acids in the medium revealed that a glycine-conjugated bile acid was a sensitive marker of dose-dependent toxicity in this three-dimensional liver microphysiological system. Protein markers were significantly elevated in the culture medium at high micromolar doses of DCF, which were also observed previously for acute drug-induced toxicity in humans. In this immunocompetent model, lipopolysaccharide treatment evoked an inflammatory response that resulted in a marked increase in the overall number of acute phase proteins. Kupffer cell-mediated cytokine release recapitulated an in vivo proinflammatory response exemplified by a cohort of 11 cytokines that were differentially regulated after lipopolysaccharide induction, including interleukin (IL)-1 β , IL-1Ra, IL-6, IL-8, IP-10, tumor necrosis factor- α , RANTES (regulated on activation normal T cell expressed and secreted), granulocyte colony-stimulating factor, macrophage colony-stimulating factor, macrophage inflammatory protein-1 β , and IL-5. In summary, our findings indicate that three-dimensional liver microphysiological systems may serve as preclinical investigational platforms from the perspective of the discovery of a set of clinically relevant biomarkers including potential reactive metabolites, endogenous bile acids, excreted proteins, and cytokines to predict early drug

  19. Metabolic and Co-Metabolic Transformation of Diclofenac by Enterobacter hormaechei D15 Isolated from Activated Sludge.

    Science.gov (United States)

    Aissaoui, Salima; Ouled-Haddar, Houria; Sifour, Mohamed; Harrouche, Kamel; Sghaier, Haitham

    2017-03-01

    The presence of non-steroidal anti-inflammatory drugs, such as diclofenac (DCF), in the environment, is an emerging problem due to their harmful effects on non-target organisms, even at low concentrations. We studied the biodegradation of DCF by the strain D15 of Enterobacter hormaechei. The strain was isolated from an activated sludge, and identified as E. hormaechei based on its physiological characteristics and its 16 S RNA sequence. Using HPTLC and GC-MS methods, we demonstrated that this strain metabolized DCF at an elimination rate of 52.8%. In the presence of an external carbon source (glucose), the elimination rate increased to approximately 82%. GC-MS analysis detected and identified one metabolite as 1-(2,6-dichlorophenyl)-1,3-dihydro-2H-indol-2-one; it was produced as a consequence of dehydration and lactam formation reactions.

  20. A web-based positive psychology intervention to promote well-being in pregnant women

    OpenAIRE

    Corno, Giulia

    2017-01-01

    Introducción El embarazo es una época de cambios, un periodo de la vida que representa el inicio de un nuevo rol para las mujeres de todas las edades. Existe un amplio consenso sobre el papel del estado psicológico materno en la influencia que ejerce sobre el desarrollo del feto, el curso del embarazo y la salud física y psicológica, tanto de la madre como del bebé. La naturaleza, incidencia y las consecuencias perjudiciales del bajo bienestar psicológico materno durante el embarazo h...

  1. BASES NEUROBIOLÓGICAS DEL APEGO: REVISIÓN TEMÁTICA

    OpenAIRE

    Barg Beltrame, Gabriel

    2011-01-01

    La teoría psicológica del apego, formulada originalmente por Bowlby en la década del 50, ha permitido profundizar el conocimiento del vínculo madre-bebé, identificar sus patologías y evaluar su influencia en las relaciones afectivas adultas. Actualmente, numerosos avances en el campo de las Neurociencias ofrecen la posibilidad de comprender la dimensión biológica del apego. En este artículo, se revisan tres modelos que explican aspectos de la misma: el modelo evolutivo del sistema afectivo de...

  2. The application of option pricing theory to the evaluation of mining investment

    Institute of Scientific and Technical Information of China (English)

    ZHANG Neng-fu(张能福); CAI Si-jing(蔡嗣经); LIU Chao-ma(刘朝马); TANG Rui(唐瑞)

    2003-01-01

    A rational evaluation on an investment project forms the basis of a right investment decision-making. The discounted cash flow (DCF for short) method is usually used as a traditional evaluation method for a project investment. However, as the mining investment is influenced by many uncertainties, DCF method cannot take into account these uncertainties and often underestimates the value of an investment project. Based on the option pricing theory of the modern financial assets, the characteristics of a real project investment are discussed, and the management option of mine managers and its pricing method are described.

  3. Discontinuous financing based on market values and the value of tax shields

    OpenAIRE

    Arnold, Sven; Lahmann, Alexander; Schwetzler, Bernhard

    2018-01-01

    The tax shield as present value of debt-related tax savings plays an important role in firm valuation. Driving the risk of future debt levels, the firm's strategy to adjust the absolute debt level to future changes of the firm value, labeled as (re-) financing policy, affects the value of tax shields. Standard discounted cash flow (DCF) models offer two simplified (re-) financing policies originally introduced by Modigliani and Miller (MM) as well as Miles and Ezzell (ME). In this paper, we i...

  4. Effects of triclosan, diclofenac, and nonylphenol on mesophilic and thermophilic methanogenic activity and on the methanogenic communities

    DEFF Research Database (Denmark)

    Symsaris, Evangelos C.; Fotidis, Ioannis; Stasinakis, Athanasios S.

    2015-01-01

    In this study, a toxicity assay using a mesophilic wastewater treatment plant sludge-based (SI) and a thermophilic manure-based inoculum (MI), under different biomass concentrations was performed to define the effects of diclofenac (DCF), triclosan (TCS), and nonylphenol (NP) on anaerobic digestion...

  5. Rovibrational spectra of DCF3 in the 1900 cm(-)1 region: High-resolution study of the v(3) = v(4)=1/v(3)=2, v(6)=1 Fermi-interacting levels

    Czech Academy of Sciences Publication Activity Database

    Ceausu-Velcescu, A.; Pracna, Petr

    2014-01-01

    Roč. 295, JAN 2014 (2014), s. 31-36 ISSN 0022-2852 Institutional support: RVO:61388955 Keywords : deuterated fluoroform * combination bands * Fermi interaction Subject RIV: CF - Physical ; Theoretical Chemistry Impact factor: 1.482, year: 2014

  6. A faster and more reliable data acquisition system for the full performance of the SciCRT

    International Nuclear Information System (INIS)

    Sasai, Y.; Matsubara, Y.; Itow, Y.; Sako, T.; Kawabata, T.; Lopez, D.; Hikimochi, R.; Tsuchiya, A.; Ikeno, M.; Uchida, T.; Tanaka, M.; Munakata, K.; Kato, C.; Nakamura, Y.; Oshima, T.; Koike, T.; Kozai, M.; Shibata, S.; Oshima, A.; Takamaru, H.

    2017-01-01

    The SciBar Cosmic Ray Telescope (SciCRT) is a massive scintillator tracker to observe cosmic rays at a very high-altitude environment in Mexico. The fully active tracker is based on the Scintillator Bar (SciBar) detector developed as a near detector for the KEK-to-Kamioka long-baseline neutrino oscillation experiment (K2K) in Japan. Since the data acquisition (DAQ) system was developed for the accelerator experiment, we determined to develop a new robust DAQ system to optimize it to our cosmic-ray experiment needs at the top of Mt. Sierra Negra (4600 m). One of our special requirements is to achieve a 10 times faster readout rate. We started to develop a new fast readout back-end board (BEB) based on 100 Mbps SiTCP, a hardware network processor developed for DAQ systems for high energy physics experiments. Then we developed the new BEB which has a potential of 20 times faster than the current one in the case of observing neutrons. Finally we installed the new DAQ system including the new BEBs to a part of the SciCRT in July 2015. The system has been operating since then. In this paper, we describe the development, the basic performance of the new BEB, the status after the installation in the SciCRT, and the future performance.

  7. A faster and more reliable data acquisition system for the full performance of the SciCRT

    Energy Technology Data Exchange (ETDEWEB)

    Sasai, Y., E-mail: sasaiyoshinori@isee.nagoya-u.ac.jp [Institute for Space-Earth Environmental Research, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601 (Japan); Matsubara, Y.; Itow, Y.; Sako, T.; Kawabata, T.; Lopez, D.; Hikimochi, R.; Tsuchiya, A. [Institute for Space-Earth Environmental Research, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601 (Japan); Ikeno, M.; Uchida, T.; Tanaka, M. [High Energy Accelerator Research Organization, KEK, 1-1 Oho, Tsukuba, Ibaraki 305-0801 (Japan); Munakata, K.; Kato, C.; Nakamura, Y.; Oshima, T.; Koike, T. [Department of Physics, Shinshu University, Asahi, Matsumoto 390-8621 (Japan); Kozai, M. [Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (ISAS/JAXA), Sagamihara, Kanagawa 252-5210 (Japan); Shibata, S.; Oshima, A.; Takamaru, H. [College of Engineering, Chubu University, Kasugai 487-8501 (Japan); and others

    2017-06-11

    The SciBar Cosmic Ray Telescope (SciCRT) is a massive scintillator tracker to observe cosmic rays at a very high-altitude environment in Mexico. The fully active tracker is based on the Scintillator Bar (SciBar) detector developed as a near detector for the KEK-to-Kamioka long-baseline neutrino oscillation experiment (K2K) in Japan. Since the data acquisition (DAQ) system was developed for the accelerator experiment, we determined to develop a new robust DAQ system to optimize it to our cosmic-ray experiment needs at the top of Mt. Sierra Negra (4600 m). One of our special requirements is to achieve a 10 times faster readout rate. We started to develop a new fast readout back-end board (BEB) based on 100 Mbps SiTCP, a hardware network processor developed for DAQ systems for high energy physics experiments. Then we developed the new BEB which has a potential of 20 times faster than the current one in the case of observing neutrons. Finally we installed the new DAQ system including the new BEBs to a part of the SciCRT in July 2015. The system has been operating since then. In this paper, we describe the development, the basic performance of the new BEB, the status after the installation in the SciCRT, and the future performance.

  8. A review of measurement-based assessments of the aerosol direct radiative effect and forcing

    Directory of Open Access Journals (Sweden)

    H. Yu

    2006-01-01

    Full Text Available Aerosols affect the Earth's energy budget directly by scattering and absorbing radiation and indirectly by acting as cloud condensation nuclei and, thereby, affecting cloud properties. However, large uncertainties exist in current estimates of aerosol forcing because of incomplete knowledge concerning the distribution and the physical and chemical properties of aerosols as well as aerosol-cloud interactions. In recent years, a great deal of effort has gone into improving measurements and datasets. It is thus feasible to shift the estimates of aerosol forcing from largely model-based to increasingly measurement-based. Our goal is to assess current observational capabilities and identify uncertainties in the aerosol direct forcing through comparisons of different methods with independent sources of uncertainties. Here we assess the aerosol optical depth (τ, direct radiative effect (DRE by natural and anthropogenic aerosols, and direct climate forcing (DCF by anthropogenic aerosols, focusing on satellite and ground-based measurements supplemented by global chemical transport model (CTM simulations. The multi-spectral MODIS measures global distributions of aerosol optical depth (τ on a daily scale, with a high accuracy of ±0.03±0.05τ over ocean. The annual average τ is about 0.14 over global ocean, of which about 21%±7% is contributed by human activities, as estimated by MODIS fine-mode fraction. The multi-angle MISR derives an annual average AOD of 0.23 over global land with an uncertainty of ~20% or ±0.05. These high-accuracy aerosol products and broadband flux measurements from CERES make it feasible to obtain observational constraints for the aerosol direct effect, especially over global the ocean. A number of measurement-based approaches estimate the clear-sky DRE (on solar radiation at the top-of-atmosphere (TOA to be about -5.5±0.2 Wm-2 (median ± standard error from various methods over the global ocean. Accounting for thin cirrus

  9. A Monte Carlo Comparison between the Free Cash Flow and Discounted Cash Flow Approaches

    OpenAIRE

    Mehari Mekonnen Akalu; Rodney Turner

    2002-01-01

    textabstractOne of the debates in the capital budgeting model selection is between the free cash flow and DCF methods. In this paper an attempt is made to compare SVA against NPV model based on Monte Carlo simulations. Accordingly, NPV is found less sensitive to value driver variations and has got higher forecast errors as compared to SVA model.

  10. A Monte Carlo Comparison between the Free Cash Flow and Discounted Cash Flow Approaches

    NARCIS (Netherlands)

    M.M. Akalu; J.R. Turner (Rodney)

    2002-01-01

    textabstractOne of the debates in the capital budgeting model selection is between the free cash flow and DCF methods. In this paper an attempt is made to compare SVA against NPV model based on Monte Carlo simulations. Accordingly, NPV is found less sensitive to value driver variations and has got

  11. A versatile infinite-state Markov reward model to study bottlenecks in 2-hop ad hoc networks

    NARCIS (Netherlands)

    Remke, Anne Katharina Ingrid; Haverkort, Boudewijn R.H.M.; Cloth, L.

    2006-01-01

    In a 2-hop IEEE 801.11-based wireless LAN, the distributed coordination function (DCF) tends to equally share the available capacity among the contending stations. Recently alternative capacity sharing strategies have been made possible. We propose a versatile infinite-state Markov reward model to

  12. Ab initio structure determination and quantitative disorder analysis on nanoparticles by electron diffraction tomography.

    Science.gov (United States)

    Krysiak, Yaşar; Barton, Bastian; Marler, Bernd; Neder, Reinhard B; Kolb, Ute

    2018-03-01

    Nanoscaled porous materials such as zeolites have attracted substantial attention in industry due to their catalytic activity, and their performance in sorption and separation processes. In order to understand the properties of such materials, current research focuses increasingly on the determination of structural features beyond the averaged crystal structure. Small particle sizes, various types of disorder and intergrown structures render the description of structures at atomic level by standard crystallographic methods difficult. This paper reports the characterization of a strongly disordered zeolite structure, using a combination of electron exit-wave reconstruction, automated diffraction tomography (ADT), crystal disorder modelling and electron diffraction simulations. Zeolite beta was chosen for a proof-of-principle study of the techniques, because it consists of two different intergrown polymorphs that are built from identical layer types but with different stacking sequences. Imaging of the projected inner Coulomb potential of zeolite beta crystals shows the intergrowth of the polymorphs BEA and BEB. The structures of BEA as well as BEB could be extracted from one single ADT data set using direct methods. A ratio for BEA/BEB = 48:52 was determined by comparison of the reconstructed reciprocal space based on ADT data with simulated electron diffraction data for virtual nanocrystals, built with different ratios of BEA/BEB. In this way, it is demonstrated that this smart interplay of the above-mentioned techniques allows the elaboration of the real structures of functional materials in detail - even if they possess a severely disordered structure.

  13. Performance Analysis of a Cluster-Based MAC Protocol for Wireless Ad Hoc Networks

    Directory of Open Access Journals (Sweden)

    Jesús Alonso-Zárate

    2010-01-01

    Full Text Available An analytical model to evaluate the non-saturated performance of the Distributed Queuing Medium Access Control Protocol for Ad Hoc Networks (DQMANs in single-hop networks is presented in this paper. DQMAN is comprised of a spontaneous, temporary, and dynamic clustering mechanism integrated with a near-optimum distributed queuing Medium Access Control (MAC protocol. Clustering is executed in a distributed manner using a mechanism inspired by the Distributed Coordination Function (DCF of the IEEE 802.11. Once a station seizes the channel, it becomes the temporary clusterhead of a spontaneous cluster and it coordinates the peer-to-peer communications between the clustermembers. Within each cluster, a near-optimum distributed queuing MAC protocol is executed. The theoretical performance analysis of DQMAN in single-hop networks under non-saturation conditions is presented in this paper. The approach integrates the analysis of the clustering mechanism into the MAC layer model. Up to the knowledge of the authors, this approach is novel in the literature. In addition, the performance of an ad hoc network using DQMAN is compared to that obtained when using the DCF of the IEEE 802.11, as a benchmark reference.

  14. Oxidation of diclofenac by aqueous chlorine dioxide: identification of major disinfection byproducts and toxicity evaluation.

    Science.gov (United States)

    Wang, Yingling; Liu, Haijin; Liu, Guoguang; Xie, Youhai

    2014-03-01

    Diclofenac (DCF), a synthetic non-steroidal anti-inflammatory drug, is one of the most frequently detected pharmaceuticals in the aquatic environment. In this work, the mechanism and toxicity of DCF degradation by ClO2 under simulated water disinfection conditions were investigated. Experimental results indicate that rapid and significant oxidation of DCF occurred within the first few minutes; however, its mineralization process was longer than its degradation process. UPLC-MS and (1)H NMR spectroscopy were performed to identify major disinfection byproducts that were generated in three tentative degradation routes. The two main routes were based on initial decarboxylation of DCF on the aliphatic chain and hydroxylation of the phenylacetic acid moiety at the C-4 position. Subsequently, the formed aldehyde intermediates were the starting point for further multistep degradation involving decarboxylation, hydroxylation, and oxidation reactions of CN bond cleavage. The third route was based on transient preservation of chlorinated derivatives resulting from electrophilic attack by chlorine on the aromatic ring, which similarly underwent CN bond cleavage. Microtox bioassay was employed to evaluate the cytotoxicity of solutions treated by ClO2. The formation of more toxic mid-byproducts during the ClO2 disinfection process poses a potential risk to consumers. Copyright © 2013 Elsevier B.V. All rights reserved.

  15. Highly efficient and stable cyclometalated ruthenium(II) complexes as sensitizers for dye-sensitized solar cells

    International Nuclear Information System (INIS)

    Huang, Jian-Feng; Liu, Jun-Min; Su, Pei-Yang; Chen, Yi-Fan; Shen, Yong; Xiao, Li-Min; Kuang, Dai-Bin; Su, Cheng-Yong

    2015-01-01

    Highlights: • Four novel thiocyanate-free cyclometalated ruthenium sensitizer were conveniently synthesized. • The D-CF 3 -sensitized DSSCs show higher efficiency compared to N719 based cells. • The DSSCs based on D-CF 3 and D-bisCF 3 sensitizers exhibit excellent long-term stability. • The diverse cyclometalated Ru complexes can be developed as high-performance sensitizers for use in DSSC. - Abstract: Four novel thiocyanate-free cyclometallted Ru(II) complexes, D-bisCF 3 , D-CF 3 , D-OMe, and D-DPA, with two 4,4′-dicarboxylic acid-2,2′-bipyridine together with a functionalized phenylpyridine ancillary ligand, have been designed and synthesized. The effect of different substituents (R = bisCF 3 , CF 3 , OMe, and DPA) on the ancillary C^N ligand on the photophysical properties and photovoltaic performance is investigated. Under standard global AM 1.5 solar conditions, the device based on D-CF 3 sensitizer gives a higher conversion efficiency of 8.74% than those based on D-bisCF 3 , D-OMe, and D-DPA, which can be ascribed to its broad range of visible light absorption, appropriate localization of the frontier orbitals, weak hydrogen bonds between -CF 3 and -OH groups at the TiO 2 surface, moderate dye loading on TiO 2 , and high charge collection efficiency. Moreover, the D-bisCF 3 and D-CF 3 based DSSCs exhibit good stability under 100 mW cm −2 light soaking at 60 °C for 400 h

  16. Thermally activated delayed fluorescence of fluorescein derivative for time-resolved and confocal fluorescence imaging.

    Science.gov (United States)

    Xiong, Xiaoqing; Song, Fengling; Wang, Jingyun; Zhang, Yukang; Xue, Yingying; Sun, Liangliang; Jiang, Na; Gao, Pan; Tian, Lu; Peng, Xiaojun

    2014-07-09

    Compared with fluorescence imaging utilizing fluorophores whose lifetimes are in the order of nanoseconds, time-resolved fluorescence microscopy has more advantages in monitoring target fluorescence. In this work, compound DCF-MPYM, which is based on a fluorescein derivative, showed long-lived luminescence (22.11 μs in deaerated ethanol) and was used in time-resolved fluorescence imaging in living cells. Both nanosecond time-resolved transient difference absorption spectra and time-correlated single-photon counting (TCSPC) were employed to explain the long lifetime of the compound, which is rare in pure organic fluorophores without rare earth metals and heavy atoms. A mechanism of thermally activated delayed fluorescence (TADF) that considers the long wavelength fluorescence, large Stokes shift, and long-lived triplet state of DCF-MPYM was proposed. The energy gap (ΔEST) of DCF-MPYM between the singlet and triplet state was determined to be 28.36 meV by the decay rate of DF as a function of temperature. The ΔE(ST) was small enough to allow efficient intersystem crossing (ISC) and reverse ISC, leading to efficient TADF at room temperature. The straightforward synthesis of DCF-MPYM and wide availability of its starting materials contribute to the excellent potential of the compound to replace luminescent lanthanide complexes in future time-resolved imaging technologies.

  17. Three-Axis Attitude Estimation With a High-Bandwidth Angular Rate Sensor

    Science.gov (United States)

    Bayard, David S.; Green, Joseph J.

    2013-01-01

    A continuing challenge for modern instrument pointing control systems is to meet the increasingly stringent pointing performance requirements imposed by emerging advanced scientific, defense, and civilian payloads. Instruments such as adaptive optics telescopes, space interferometers, and optical communications make unprecedented demands on precision pointing capabilities. A cost-effective method was developed for increasing the pointing performance for this class of NASA applications. The solution was to develop an attitude estimator that fuses star tracker and gyro measurements with a high-bandwidth angular rotation sensor (ARS). An ARS is a rate sensor whose bandwidth extends well beyond that of the gyro, typically up to 1,000 Hz or higher. The most promising ARS sensor technology is based on a magnetohydrodynamic concept, and has recently become available commercially. The key idea is that the sensor fusion of the star tracker, gyro, and ARS provides a high-bandwidth attitude estimate suitable for supporting pointing control with a fast-steering mirror or other type of tip/tilt correction for increased performance. The ARS is relatively inexpensive and can be bolted directly next to the gyro and star tracker on the spacecraft bus. The high-bandwidth attitude estimator fuses an ARS sensor with a standard three-axis suite comprised of a gyro and star tracker. The estimation architecture is based on a dual-complementary filter (DCF) structure. The DCF takes a frequency- weighted combination of the sensors such that each sensor is most heavily weighted in a frequency region where it has the lowest noise. An important property of the DCF is that it avoids the need to model disturbance torques in the filter mechanization. This is important because the disturbance torques are generally not known in applications. This property represents an advantage over the prior art because it overcomes a weakness of the Kalman filter that arises when fusing more than one rate

  18. A new topical formulation enhances relative diclofenac bioavailability in healthy male subjects.

    Science.gov (United States)

    Brunner, Martin; Davies, David; Martin, Wolfgang; Leuratti, Chiara; Lackner, Edith; Müller, Markus

    2011-06-01

    • Therapy with topical non-steroidal anti-inflammatory drugs (NSAIDs) relies on the ability of the active drug to penetrate the skin in sufficiently high amounts to exert a clinical effect, which is linked to the specific galenic properties of the formulation. • This phase 1 study characterizes the transdermal penetration and plasma exposure of different dose levels with galenic differences of a novel topical diclofenac formulation under development and indicates greater diclofenac penetration through the skin when compared with a commercially available formulation. To evaluate the relative plasma and tissue availability of diclofenac after repeated topical administration of a novel diclofenac acid-based delivery system under development (DCF100C). This was a single-centre, open-label, three-period, crossover clinical trial of five discrete diclofenac formulations. Test preparations comprised two concentrations (1.0% and 2.5%) of DCF100C, with and without menthol and eucalyptus oil (total daily doses of 5 mg and 12.5 mg). Voltaren Emulgel gel (1.0%) was the commercially available comparator (total daily dose of 40 mg). Topical application was performed onto the thigh of 20 male healthy subjects for 3 days. Applying a Youden square design, each drug was evaluated in 12 subjects, with each subject receiving three test preparations. Blood sampling and in vivo microdialysis in subcutaneous adipose and skeletal muscle tissues were performed for 10 h after additional final doses on the morning of day 4. All four DCF100C formulations demonstrated a three- to fivefold, dose-dependent increase in systemic diclofenac availability compared with Voltaren Emulgel and were approximately 30-40 times more effective at facilitating diclofenac penetration through the skin, taking different dose levels into account. Tissue concentrations were low and highly variable. The 2.5% DCF100C formulation without sensory excipients reached the highest tissue concentrations. AUC(0,10 h) was

  19. O Envelope Narrativo e o Desenvolvimento do Self: Um Estudo Longitudinal com Mães e Bebês nos Seis Primeiros Meses de Vida

    Directory of Open Access Journals (Sweden)

    Deise Fernandes Mendes

    2013-11-01

    Full Text Available Mother-infant interactions have its dynamics defined by culture and by the value attributed to personal distance and autonomy. Mothers are responsible for establishing different socialization trajectories. In this study we focus on one of the parental systems, the narrative envelope of mother-infant interactions of two dyads with babies from birth to six months. Dyads were visited at their homes and video-taped, mothers speech directed to babies was analyzed. We observed a double tendency. Mothers speech is marked by expressions of statements of needs and mental states attributed to the baby, and by a significant presence of social rules. Evidence can be interpreted as a tendency both toward autonomy and toward interdependency. Those results contribute to the literature about mother-infant interactions and development of the self in specific cultural contexts.

  20. Leitura do berço ao recreio : estratégias de promoção da leitura com bebés

    OpenAIRE

    Silva, Sara Raquel Reis da; Ramos, Ana Margarida

    2014-01-01

    Neste estudo, problematiza-se a importância do contacto precoce com o livro e com a leitura literária, avançando-se com uma pluralidade de práticas de promoção da leitura junto de pré-leitores. Após a referência a contextos de promoção de comportamentos emergentes de leitura - família, creche e jardim-de-infância e biblioteca pública -, sugerem-se actividades e recursos. CIEC - Centro de Investigação em Estudos da Criança, UM (UI 317 da FCT)

  1. Padronização do contraste de Bário nas preparações para videofluoroscopia em bebês com disfagia.

    OpenAIRE

    Camila Ribeiro Gomide Queiróz

    2014-01-01

    A videofluoroscopia da deglutição (VDF) é um exame considerado padrão ouro como método de avaliação da deglutição que requer que o paciente ingira o contraste de Bário em diferentes consistências para que as fases oral e faríngea sejam avaliadas com maior efetividade. Porém, existe uma disparidade entre a viscosidade dos alimentos com o contraste de Bário para a VDF e os alimentos espessados com o espessante de forma empírica, indicado subjetivamente na terapia de reabilitação. Por isso, o ob...

  2. Lotus Base

    DEFF Research Database (Denmark)

    Mun, Terry; Bachmann, Asger; Gupta, Vikas

    2016-01-01

    exploration of Lotus genomic and transcriptomic data. Equally important are user-friendly in-browser tools designed for data visualization and interpretation. Here, we present Lotus Base, which opens to the research community a large, established LORE1 insertion mutant population containing an excess of 120...... such data, allowing users to construct, visualize, and annotate co-expression gene networks. Lotus Base takes advantage of modern advances in browser technology to deliver powerful data interpretation for biologists. Its modular construction and publicly available application programming interface enable...... developers to tap into the wealth of integrated Lotus data. Lotus Base is freely accessible at: https://lotus.au.dk....

  3. Touch BASE

    CERN Multimedia

    Antonella Del Rosso

    2015-01-01

    In a recent Nature article (see here), the BASE collaboration reported the most precise comparison of the charge-to-mass ratio of the proton to its antimatter equivalent, the antiproton. This result is just the beginning and many more challenges lie ahead.   CERN's AD Hall, where the BASE experiment is set-up. The Baryon Antibaryon Symmetry Experiment (BASE) was approved in June 2013 and was ready to take data in August 2014. During these 14 months, the BASE collaboration worked hard to set up its four cryogenic Penning traps, which are the heart of the whole experiment. As their name indicates, these magnetic devices are used to trap antiparticles – antiprotons coming from the Antiproton Decelerator – and particles of matter – negative hydrogen ions produced in the system by interaction with a degrader that slows the antiprotons down, allowing scientists to perform their measurements. “We had very little time to set up the wh...

  4. La madre dice: el dolor de mi bebé es mi dolor A mãe diz: a dor do meu bebê é a minha dor Mother Says: My Baby´s Pain is my Pain

    Directory of Open Access Journals (Sweden)

    ROSA YOLANDA MUNÉVAR TORRES

    2010-10-01

    Full Text Available Objetivo: describir los sentimientos de las madres y el apoyo social con el que cuentan cuando su recién nacido siente dolor. Metodología: estudio cualitativo, de pequeño alcance, con metodología etnográfica. Se realizaron 22 entrevistas en profundidad a 8 madres, con promedio de 2 a 4 por informante. La muestra fue la saturación de información seleccionada por pertinencia y adecuación; se utilizaron notas de campo y observación participante. Los datos se analizaron según la metodología de James Spradley. Resultados: el tema central fue: el dolor del recién nacido lo conocen, sienten y alivian las madres con apoyo familiar. El primer subtema (ya publicado: Las madres conocen y alivian el dolor del recién nacido, y el segundo: La madre siente el dolor del recién nacido y se apoya en su familia; está constituido por dos dominios: Preocupación, dolor y amor son sentimientos maternos frente al dolor del recién nacido. La familia y los amigos son clases de apoyo de la madre. Conclusiones: el dolor del neonato y el desconocimiento de la causa y forma acertada de aliviarlo producen estrés en la madre y estrechan la relación madre-hijo, toda vez que ella cree experimentar el mismo dolor que el hijo, quien le demanda protección y cuidado como respuesta de alivio, acción que es prioritaria frente a sus propios sentimientos y necesidades. Por tanto, la madre desea ser cuidada como ser humano que sufre, requiere de familiares y personas cercanas que le ofrezcan apoyo emocional expresado en la compañía y la confianza e información cuando solicita orientación, consejo o ayuda en la toma de decisiones, sin desconocer su contexto cultural; estos aspectos son coherentes con la teoría propuesta por Madeleine Leininger, por cuanto el punto de vista del mundo de la madre y los factores de la estructura social que incluye la relación familiar influirán en los significados, las expresiones y modos de cuidar a su hijo con dolor de acuerdo con su entorno cultural. Por tanto, el mundo del recién nacido incluye a la madre y demanda de enfermería intervención de cuidado para los dos, respetando sus sentimientos, valores, creencias, costumbres y prácticas de cuidado cultural.Objetivo: descrever os sentimentos das mães e o apoio social recebido quando seu recém-nascido sente dor. Metodologia: estudo qualitativo, de pequeno alcance, com metodologia etnográfica. Realizaram-se 22 entrevistas em profundidade a oito mães, com uma média dentre duas a quatro entrevistas por informante. A amostra consistiu da saturação de informação selecionada por pertinência e adequação; utilizaram-se notas de campo e observação aos participantes. Os dados foram analisados segundo a metodologia de James Spradley. Resultados: o tema central foi As mães conhecem, sentem e aliviam a dor do recém-nascido com apóio familiar. O primeiro sub-tema (já publicado: As mães conhecem e aliviam a dor do recém-nascido, e o segundo: A mãe sente a dor do recém-nascido e procura apoio na família; estão constituídos por duas áreas: Preocupação, dor e amor são os sentimentos maternos frente à dor do recém-nascido. A família e os amigos são classes de apoio da mãe. Conclusões: a dor do neonato e o desconhecimento da causa e forma adequada de aliviá-lo causam estresse na mãe e fortalecem a relação mãe-filho, sendo que ela acredita sofrer a mesma dor do que seu filho, quem lhe exige proteção e cuidado como resposta de alívio, ação que é prioritária frente aos seus próprios sentimentos e necessidades. Por tanto, a mãe deseja ser cuidada como ser humano que sofre, e precisa de familiares e pessoas próximas que providenciem apoio emocional expressado na companhia e na confiança e informação quando solicita orientação, conselho ou ajuda na tomada de decisões, sem desconhecer seu contexto cultural; esses aspectos são coerentes com a teoria proposta por Madeleine Leininger, visto que a perspectiva do mundo da mãe e os fatores da estrutura social que inclui a relação familiar influirão nos significados, expressões e modos de cuidar de seu filho com dor de acordo com seu entorno cultural. Conseqüentemente, o mundo do recém-nascido inclui a mãe e requer enfermagem e intervenção de cuidado para os dois, respeitando seus sentimentos, valores, crenças, costumes e práticas de cuidado natural.Objective: describe the mothers´ feelings and the social support they receive when their newborn is in pain. Methodology: short-scope qualitative study with ethnographic methodology. Twenty-two in depth interviews with 8 mothers, with an average between two and four each. The sample corresponded to the saturation of the information selected by relevance and adaptation; field notes and participant observations were used. Data were analyzed according to the James Spradley´s methodology. Results: the main topic was "The newborn´s pain is known, felt and relieved by mothers with family support". The first sub-topic (already published: "Mothers know and relief their newborn´s pain", and the second: "The mother feels her newborn´s pain and looks for support in her family"; comprises two domains: Concern, pain and love are maternal feelings in face of the newborn´s pain. The family and relatives are types of support to the mother. Conclusions: the newborn´s pain and the lack of awareness about the cause and the proper manner to relief the pain cause stress in the mother and strengthen the mother-child relation, as she believes to endure the same pain than her child´s, who demands protection and care as relief response, a priority action for their own feelings and needs. Hence, the mother wishes to be taken care of as a suffering human being. This requires relatives and people to give emotional support in the way of company and trust, and information whenever guidance, advice, or help in making decisions is needed taking into account the cultural context. These aspects are coherent with the theory posited by Madeleine Leininger, since the viewpoint of the mother´s world and the factors inherent to the social structure that includes the family relation will have a bear on the meanings, expressions and ways of taking care of her child as dictated by her cultural background. Therefore, the newborn´s world includes the mother and demands nursing and intervention for both individuals, and respect for their feelings, values, beliefs, costumes and practices of cultural care.

  5. OPTIMIZATION MODEL FOR VEHICLE ROUTING AND EQUIPMENT REPLACEMENT IN FARM MACHINERY

    OpenAIRE

    Grano, Carolina; Abensur, Eder

    2017-01-01

    ABSTRACT: An equipment replacement decision takes into account economic engineering models based on discounted cash flow (DCF) such as the Annual Equivalent Cost (AEC). Despite a large number of researches on industrial assets replacement, there is a lack of studies applied to farm goods. This study aimed at assessing an alternative model for economic decision analysis on farm machinery replacement, with no restrictions on the number of replacements and assessed goods during a defined timelin...

  6. Over-valuation: avoid double counting when retaining dividends in the FCFE valuation

    OpenAIRE

    Silva, J. M.; Pereira, J. A.

    2017-01-01

    Valuation based on DCF (Discounted Cash Flow) has been the dominant valuation procedure during the last decades. In spite of this dominance, enterprise valuation using the discounted FCF (Free Cash Flow) model has some practical drawbacks, since there is often some confusion on how to effectively use it. Commonly, the valuation procedures start by estimating future FCF figures from historical data, such as mean FCF, growth and retention ratio, alongside many other variables. These FCF forecas...

  7. Real Options Analysis of Mining Projects

    OpenAIRE

    Rudolf Zdravlje

    2011-01-01

    When long life assets are being evaluated based on constant predictions of future variables and the assumptions of zero management flexibility, is value being missed? In project evaluation today, the most common evaluation methods that calculate a net present value are discounted cash flow (DCF) analysis, decision tree analysis and Monte Carlo simulation. A fourth method, which is beginning to gain ground in terms of its use in the mining industry, is real option analysis (ROA). ROA utilizes ...

  8. Indikativní výnosové ocenění společnosti Deloitte Audit s.r.o zjednodušeným způsobem

    OpenAIRE

    Kuchyňa, Pavel

    2010-01-01

    Objective of this thesis is to evaluate Deloitte Audit s.r.o. company especially for the purposes of possible changes in structure of the group. This is a shortened simple version of standard evaluation process within the range of about 30 pages. Before using of DCF Equity method, financial and strategic analyses are elaborated and then financial plan is build on base of value drivers estimates.

  9. Cross-layer based adaptive wireless traffic control for per-flow and per-station fairness

    Directory of Open Access Journals (Sweden)

    Siwamogsatham Siwaruk

    2011-01-01

    Full Text Available Abstract In the IEEE 802.11 wireless LANs, the bandwidth is not fairly shared among stations due to the distributed coordination function (DCF mechanism in the IEEE 802.11 MAC protocol. It introduces the per-flow and per-station unfairness problems between uplink and downlink flows, as the uplink flows usually dominate the downlink flows. In addition, some users may use greedy applications such as video streaming, which may prevent other applications from connecting to the Internet. In this article, we propose an adaptive cross-layer bandwidth allocation mechanism to provide per-station and per-flow fairness. To verify the effectiveness and scalability, our scheme is implemented on a wireless access router and numerous experiments in a typical wireless environment with both TCP and UDP traffic are conducted to evaluate performance of the proposed scheme.

  10. Função materna e mito familiar: evidências a partir de um estudo de caso Maternal role and familiar myth: evidences from a case study

    Directory of Open Access Journals (Sweden)

    Andrea Gabriela Ferrari

    2010-12-01

    Full Text Available Discute-se a importância do mito familiar para a função materna. Este mito se refere ao lugar do bebê, revelado por meio do discurso dirigido ao personagem que ele encarna na fantasia fundamental dos pais e que está relacionado àquilo que o precede. Consideramos que este mito tem impacto fundamental na constituição subjetiva do futuro sujeito. Tais aspectos conceituais receberam apoio no estudo de caso de uma mãe, da gestação até os oito meses do bebê. A partir deste caso se percebe o efeito e a importância da montagem imaginativa materna desde antes do nascimento do bebê.This article discusses the importance of the family myth for the maternal role. This myth refers to the infant's place revealed through the discourse directed towards the character that the infant embodies in the parents' fundamental fantasy and it is related to that which precedes him. We consider that this myth has a fundamental impact on the subjective constitution of the future subject. Such conceptual aspects were supported by a case study involving a mother, from her pregnancy to the child's eighth month of life. Based on this case the effect and importance of maternal imaginative process from before the infant's birth are highlighted.

  11. Enfermagem e a relação com as mães de neonatos em Unidade de Terapia Intensiva Neonatal

    Directory of Open Access Journals (Sweden)

    Ariane Thaise Frello

    2012-06-01

    Full Text Available As relações estabelecidas com a enfermagem frente à experiência do nascimento prematuro de um filho influencia a vivência da mulher. O objetivo deste estudo foi delinear a relação entre a equipe de enfermagem e as mães com bebês internados na Unidade de Terapia Intensiva Neonatal, apresentada em artigos publicados entre 2005 e 2010. Foram utilizadas as bases de dados CINAHL, MEDLINE e LILACS, com estudos publicados entre 2005 e 2010 com os descritores: Neonatal Nursing, Premature, Mothers and Nursing Care, totalizando 21 artigos organizados nas categorias: Fases Enfrentadas pelos Pais durante a Estadia do Bebê na UTIN; Relação entre Enfermeira e Mãe; Suporte da Enfermagem; Descuidado na Relação entre Enfermeira e Mãe e Ações de Educação em Saúde. Os estudos apontam a necessidade das mães por suporte o que inclui apoio emocional, envolvimento nos cuidados ao bebê, disponibilidade para estar e conversar.

  12. Measurement of creatinine in human plasma using a functional porous polymer structure sensing motif

    Science.gov (United States)

    Nanda, Sitansu Sekhar; An, Seong Soo A; Yi, Dong Kee

    2015-01-01

    In this study, a new method for detecting creatinine was developed. This novel sensor comprised of two ionic liquids, poly-lactic-co-glycolic acid (PLGA) and 1-butyl-3-methylimidazolium (BMIM) chloride, in the presence of 2′,7′-dichlorofluorescein diacetate (DCFH-DA). PLGA and BMIM chloride formed a functional porous polymer structure (FPPS)-like structure. Creatinine within the FPPS rapidly hydrolyzed and released OH−, which in turn converted DCFH-DA to DCFH, developing an intense green color or green fluorescence. The conversion of DCFH to DCF+ resulted in swelling of FPPS and increased solubility. This DCF+-based sensor could detect creatinine levels with detection limit of 5 µM and also measure the creatinine in blood. This novel method could be used in diagnostic applications for monitoring individuals with renal dysfunction. PMID:26347475

  13. A proposal of cost evaluation of own capital for the Brazilian electric sector; Uma proposta de avaliacao do custo do capital proprio para o setor de energia eletrica brasileiro

    Energy Technology Data Exchange (ETDEWEB)

    Serrano, Ricardo Oliveira L.

    2003-12-01

    This work studies the own capital cost of the Brazilian electric sector, by using three methodologies: Comparable Accounting Results (CAR), using historical values for measurement, Discounted Cash Flow (DCF) and the CAPM, elaborated from expected values.The obtained results by using the CAR method indicated that the Brazilian electric power sector is not receiving remuneration according to the real maintenance and expansion necessities. Based on this observation, it was considered appropriated to discard the CAR method in the proposed methodology, therefore using the simply average of the CAPM e DCF models. By using the simply average of the models presents the advantage of capturing specific characteristics of each model, and to dilute effects of eventual extreme values.

  14. Changes of indoor aerosol characteristics and their associated variation on the dose conversion factor due to radon progeny inhalation

    International Nuclear Information System (INIS)

    Tokonami, Shinji; Ishikawa, Tetsuo; Yonehara, Hidenori; Yamada, Yuji; Matsuzawa, Takao; Iimoto, Takeshi

    2003-01-01

    Since the dose conversion factor (hereafter called DCF) due to radon progeny inhalation is strongly dominated by aerosol characteristics in the environment, it is important to understand the air quality for accurate dose assessment. Thus temporal variations on aerosol concentration, its particle size and its related airborne radioactivities were continuously measured in an actual indoor environment with a relatively high radon concentration. The following human activities were added during the observation period: air-conditioning, removal of aerosol with an air cleaner and ventilation. DCFs based on these activities were evaluated with the latest International Commission of Radiological Protection (ICRP) respiratory tract model and were compared among them. Consequently, the present study has shown that operation of air cleaner enhanced the DCF critically because the unattached fraction increased significantly due to removal of aerosols. (author)

  15. Fragmentation based

    Directory of Open Access Journals (Sweden)

    Shashank Srivastava

    2014-01-01

    Gaining the understanding of mobile agent architecture and the security concerns, in this paper, we proposed a security protocol which addresses security with mitigated computational cost. The protocol is a combination of self decryption, co-operation and obfuscation technique. To circumvent the risk of malicious code execution in attacking environment, we have proposed fragmentation based encryption technique. Our encryption technique suits the general mobile agent size and provides hard and thorny obfuscation increasing attacker’s challenge on the same plane providing better performance with respect to computational cost as compared to existing AES encryption.

  16. Laser tissue coagulation and concurrent optical coherence tomography through a double-clad fiber coupler

    Science.gov (United States)

    Beaudette, Kathy; Baac, Hyoung Won; Madore, Wendy-Julie; Villiger, Martin; Godbout, Nicolas; Bouma, Brett E.; Boudoux, Caroline

    2015-01-01

    Double-clad fiber (DCF) is herein used in conjunction with a double-clad fiber coupler (DCFC) to enable simultaneous and co-registered optical coherence tomography (OCT) and laser tissue coagulation. The DCF allows a single channel fiber-optic probe to be shared: i.e. the core propagating the OCT signal while the inner cladding delivers the coagulation laser light. We herein present a novel DCFC designed and built to combine both signals within a DCF (>90% of single-mode transmission; >65% multimode coupling). Potential OCT imaging degradation mechanisms are also investigated and solutions to mitigate them are presented. The combined DCFC-based system was used to induce coagulation of an ex vivo swine esophagus allowing a real-time assessment of thermal dynamic processes. We therefore demonstrate a DCFC-based system combining OCT imaging with laser coagulation through a single fiber, thus enabling both modalities to be performed simultaneously and in a co-registered manner. Such a system enables endoscopic image-guided laser marking of superficial epithelial tissues or laser thermal therapy of epithelial lesions in pathologies such as Barrett’s esophagus. PMID:25909013

  17. Aerosol direct radiative effects over the northwest Atlantic, northwest Pacific, and North Indian Oceans: estimates based on in-situ chemical and optical measurements and chemical transport modeling

    Directory of Open Access Journals (Sweden)

    T. S. Bates

    2006-01-01

    transfer calculations by observational inputs increases the clear-sky, 24-h averaged AOD (34±8%, top of atmosphere (TOA DRE (32±12%, and TOA direct climate forcing of aerosols (DCF – change in radiative flux due to anthropogenic aerosols (37±7% relative to values obtained with 'a priori' parameterizations of aerosol loadings and properties (GFDL RTM. The resulting constrained clear-sky TOA DCF is −3.3±0.47, −14±2.6, −6.4±2.1 Wm−2 for the NIO, NWP, and NWA, respectively. With the use of constrained quantities (extensive and intensive parameters the calculated uncertainty in DCF was 25% less than the 'structural uncertainties' used in the IPCC-2001 global estimates of direct aerosol climate forcing. Such comparisons with observations and resultant reductions in uncertainties are essential for improving and developing confidence in climate model calculations incorporating aerosol forcing.

  18. Linear and non-linear optics of nano-scale 2‧,7‧dichloro-fluorescein/FTO optical system: Bandgap and dielectric analysis

    Science.gov (United States)

    Iqbal, Javed; Yahia, I. S.; Zahran, H. Y.; AlFaify, S.; AlBassam, A. M.; El-Naggar, A. M.

    2016-12-01

    2‧,7‧ dichloro-Fluorescein (DCF) is a promising organic semiconductor material in different technological aspects such as solar cell, photodiode, Schottky diode. DCF thin film/conductive glass (FTO glass) was prepared by a low-cost spin coating technique. The spectrophotometric data such as the absorbance, reflectance and transmittance were cogitated in the 350-2500 nm wavelength range, at the normal incidence. The absorption (n) and linear refractive indices (k) were computed using the Fresnel's equations. The optical band gap was evaluated and it was found that there is two band gap described as follows: (1) It is related to the band gap of FTO/glass which is equal 3.4 eV and (2) the second one is related to the absorption edge of DCF equals 2.25 eV. The non-linear parameters such as the refractive index (n2) and optical susceptibility χ(3) were evaluated by the spectroscopic method based on the refractive index. Both (n2) and χ(3) increased rapidly on increasing the wavelength with redshift absorption. Our work represents a new idea about using FTO glass for a new generation of the optical device and technology.

  19. Electrochemical Selective and Simultaneous Detection of Diclofenac and Ibuprofen in Aqueous Solution Using HKUST-1 Metal-Organic Framework-Carbon Nanofiber Composite Electrode

    Directory of Open Access Journals (Sweden)

    Sorina Motoc

    2016-10-01

    Full Text Available In this study, the detection protocols for the individual, selective, and simultaneous determination of ibuprofen (IBP and diclofenac (DCF in aqueous solutions have been developed using HKUST-1 metal-organic framework-carbon nanofiber composite (HKUST-CNF electrode. The morphological and electrical characterization of modified composite electrode prepared by film casting was studied by scanning electronic microscopy and four-point-probe methods. The electrochemical characterization of the electrode by cyclic voltammetry (CV was considered the reference basis for the optimization of the operating conditions for chronoamperometry (CA and multiple-pulsed amperometry (MPA. This electrode exhibited the possibility to selectively detect IBP and DCF by simple switching the detection potential using CA. However, the MPA operated under optimum working conditions of four potential levels selected based on CV shape in relation to the potential value, pulse time, and potential level number, and order allowed the selective/simultaneous detection of IBP and DCF characterized by the enhanced detection performance. For this application, the HKUST-CNF electrode exhibited a good stability and reproducibility of the results was achieved.

  20. Electrochemical Selective and Simultaneous Detection of Diclofenac and Ibuprofen in Aqueous Solution Using HKUST-1 Metal-Organic Framework-Carbon Nanofiber Composite Electrode.

    Science.gov (United States)

    Motoc, Sorina; Manea, Florica; Iacob, Adriana; Martinez-Joaristi, Alberto; Gascon, Jorge; Pop, Aniela; Schoonman, Joop

    2016-10-17

    In this study, the detection protocols for the individual, selective, and simultaneous determination of ibuprofen (IBP) and diclofenac (DCF) in aqueous solutions have been developed using HKUST-1 metal-organic framework-carbon nanofiber composite (HKUST-CNF) electrode. The morphological and electrical characterization of modified composite electrode prepared by film casting was studied by scanning electronic microscopy and four-point-probe methods. The electrochemical characterization of the electrode by cyclic voltammetry (CV) was considered the reference basis for the optimization of the operating conditions for chronoamperometry (CA) and multiple-pulsed amperometry (MPA). This electrode exhibited the possibility to selectively detect IBP and DCF by simple switching the detection potential using CA. However, the MPA operated under optimum working conditions of four potential levels selected based on CV shape in relation to the potential value, pulse time, and potential level number, and order allowed the selective/simultaneous detection of IBP and DCF characterized by the enhanced detection performance. For this application, the HKUST-CNF electrode exhibited a good stability and reproducibility of the results was achieved.

  1. A Novel Prioritization Scheme to Improve QoS in IEEE 802.11e Networks

    Directory of Open Access Journals (Sweden)

    Navid Tadayon

    2010-01-01

    Full Text Available IEEE 802.11 WLAN utilizes a distributed function at its MAC layer, namely, DCF to access the wireless medium. Due to its distributed nature, DCF is able to guarantee working stability in a wireless medium while maintaining the assembling and maintenance cost in a low level. However, DCF is inefficient in dealing with real-time traffics due to its incapability on providing QoS. IEEE 802.11e was introduced as a supplementary standard to cope with this problem. This standard introduces an Enhanced Distributed Coordination Function (EDCF that works based on diff-Serve model and can serve multiple classes of traffics (by using different prioritizations schemes. With the emergence of new time-sensitive applications, EDCF has proved to be yet inefficient in dealing with these kinds of traffics because it could not provide network with well-differentiated QoS. In this study, we propose a novel prioritization scheme to improve QoS level in IEEE 802.11e network. In this scheme, we replace Uniform PDF with Gamma PDF, which has salient differentiating properties. We investigate the suitability and superiority of this scheme on furnishing network with well-differentiated QoS using probabilistic analysis. We strengthen our claims by extensive simulation runs.

  2. The Effect of Different Exercise Programs on Size and Function of Deep Cervical Flexor Muscles in Patients With Chronic Nonspecific Neck Pain: A Systematic Review of Randomized Controlled Trials.

    Science.gov (United States)

    Amiri Arimi, Somayeh; Mohseni Bandpei, Mohammad Ali; Javanshir, Khodabakhsh; Rezasoltani, Asghar; Biglarian, Akbar

    2017-08-01

    Neck pain is one of the major public health problems, which has a great impact on people's lives. The purpose of this study was to systematically review published studies conducted on the effect of different exercise programs on activity, size, endurance, and strength of deep cervical flexor (DCF) muscles in patients with chronic neck pain. The PubMed, Science Direct, OVID, Google scholar, Cochrane Library, and Physiotherapy Evidence Databases were searched to determine relevant articles published from 1990 to March 2016. The articles were qualitatively assessed based on the Physiotherapy Evidence Databases scale for randomized controlled trials studies. Nine articles were identified and evaluated in the final analysis. Four studies had moderate quality, and five studies had good quality. From those nine studies, eight studies gave support to the effectiveness of specific low-load exercise training on DCF muscles parameters, while one study reported no significant difference between this exercise and other cervical exercise programs. The results of reviewed studies are in favor of specific low-load craniocervical flexion exercise, which seems to be a highly effective exercise regimen compared to other types of exercises in improving DCF muscles impairments in patients with chronic neck pain.

  3. Fuzzy knowledge bases integration based on ontology

    OpenAIRE

    Ternovoy, Maksym; Shtogrina, Olena

    2012-01-01

    the paper describes the approach for fuzzy knowledge bases integration with the usage of ontology. This approach is based on metadata-base usage for integration of different knowledge bases with common ontology. The design process of metadata-base is described.

  4. Foundation: Transforming data bases into knowledge bases

    Science.gov (United States)

    Purves, R. B.; Carnes, James R.; Cutts, Dannie E.

    1987-01-01

    One approach to transforming information stored in relational data bases into knowledge based representations and back again is described. This system, called Foundation, allows knowledge bases to take advantage of vast amounts of pre-existing data. A benefit of this approach is inspection, and even population, of data bases through an intelligent knowledge-based front-end.

  5. Trauma craniano violento pediátrico: uma revisão da literatura

    Directory of Open Access Journals (Sweden)

    Nahara R.L. Lopes

    2013-10-01

    Full Text Available OBJETIVO: Fornecer uma revisão de literatura científica sobre trauma craniano violento pediátrico enquanto forma de maus-tratos físicos contra bebês e crianças, ressaltando prevalência, sinais e sintomas, consequências, fatores de risco para sua ocorrência e, principalmente, estratégias de prevenção. FONTES DOS DADOS: Revisão nas bases de dados MEDLINE, SciELO, LILACS e Web of Science no período de 2001 a 2012 utilizando os termos "síndrome do bebê sacudido" e "trauma craniano violento" em inglês, espanhol e português. SÍNTESE DOS DADOS: O trauma craniano violento é definido como a lesão ao crânio ou ao conteúdo intracraniano de um bebê ou criança menor de cinco anos devido a um impacto brusco intencional e/ou a uma sacudida violenta. Ocorre principalmente com bebês e crianças menores de um ano de idade, e pode resultar em consequências graves, desde deficiências físicas ou mentais até a morte. Apesar de haver sinais específicos para esta forma de maus-tratos, eles podem se confundir com doenças comuns em crianças ou traumas cranianos acidentais, sendo imprescindível o preparo clínico dos profissionais envolvidos na avaliação dos casos para o diagnóstico correto. As estratégias de prevenção devem incluir tanto a identificação precoce dos casos, como a educação parental sobre o desenvolvimento infantil, especialmente sobre o padrão de choro do bebê. CONCLUSÕES: Considerando a gravidade do trauma craniano violento pediátrico, é fundamental que estratégias de prevenção sejam implementadas e avaliadas no contexto brasileiro. Sugere-se que indicadores de sua incidência sejam pesquisados nacionalmente.

  6. Análise empírica de modelos de valuation no ambiente brasileiro: fluxo de caixa descontado versus modelo de Ohlson (RIV Empirical analysis of valuation models in the brazilian environment: discounted cash flow versus Ohlson's model

    Directory of Open Access Journals (Sweden)

    Fernando Caio Galdi

    2008-08-01

    Full Text Available Dentro do contexto controverso de comparações entre modelos de valuation, o presente trabalho investiga, baseado nas projeções dos analistas de mercado de capitais para empresas brasileiras, se existem diferenças entre os valores de uma empresa estimados pelo modelo de fluxo de caixa descontado (DCF e pelo modelo de Ohlson (modelo de lucros residuais - RIV. Essa abordagem é inovadora à medida que trabalhos já realizados visando à comparação entre esses modelos consideram o valor da empresa calculado com base nas informações publicadas/divulgadas pela empresa e não com base na expectativa dos agentes de mercado (como por exemplo, o analista de mercado de capitais. Entretanto, a correta implementação dos modelos em análise deve ser realizada considerando-se as expectativas dos agentes de mercado. Adicionalmente, são realizadas regressões para verificar qual dos modelos (DCF ou OHLSON explica melhor a relação preço/valor patrimonial (P/B de uma empresa em períodos futuros. As conclusões obtidas foram: i existem diferenças estatisticamente significantes para o valor estimado das empresas pelo fluxo de caixa descontado e pelo modelo de Ohlson (RIV e ii os índices P/B, calculados a partir das estimativas dos analistas (que utilizam o DCF, apresentam maior poder explicativo dos índices P/B futuros da empresa do que as estimativas do índice P/B feitas pelo modelo de Ohlson (RIV.This paper uses equity analysts' forecasts for Brazilian firms to analyze whether there are significant differences between the results from the estimation of equity value when applying the discounted cash flow model (DCF and the residual income model (OHLSON. The approach used in this research is pioneer, considering that previous papers comparing valuation models in Brazil used researchers' assumptions, based on public information, to implement the valuation models. However, the correct implementation of these models relies on market expectations (i

  7. Biotic nitrosation of diclofenac in a soil aquifer system (Katari watershed, Bolivia).

    Science.gov (United States)

    Chiron, Serge; Duwig, Céline

    2016-09-15

    Up till now, the diclofenac (DCF) transformation into its nitrogen-derivatives, N-nitroso-DCF (NO-DCF) and 5-nitro-DCF (NO2-DCF), has been mainly investigated in wastewater treatment plant under nitrification or denitrification processes. This work reports, for the first time, an additional DCF microbial mediated nitrosation pathway of DCF in soil under strictly anoxic conditions probably involving codenitrification processes and fungal activities. This transformation pathway was investigated by using field observations data at a soil aquifer system (Katari watershed, Bolivia) and by carrying out soil slurry batch experiments. It was also observed for diphenylamine (DPA). Field measurements revealed the occurrence of NO-DCF, NO2-DCF and NO-DPA in groundwater samples at concentration levels in the 6-68s/L range. These concentration levels are more significant than those previously reported in wastewater treatment plant effluents taking into account dilution processes in soil. Interestingly, the p-benzoquinone imine of 5-OH-DCF was also found to be rather stable in surface water. In laboratory batch experiments under strictly anoxic conditions, the transformation of DCF and DPA into their corresponding N-nitroso derivatives was well correlated to denitrification processes. It was also observed that NO-DCF evolved into NO2-DCF while NO-DPA was stable. In vitro experiments showed that the Fisher-Hepp rearrangement could not account for NO2-DCF formation. One possible mechanism might be that NO-DCF underwent spontaneous NO loss to give the resulting intermediates diphenylaminyl radical or nitrenium cation which might evolve into NO2-DCF in presence of NO2 radical or nitrite ion, respectively. Copyright © 2016 Elsevier B.V. All rights reserved.

  8. Suporte informacional como elemento para orientação de pais de pré-termo: um guia para o serviço de acompanhamento do desenvolvimento no primeiro ano de vida Information support as an element for advising parents of preterm infants: a guide for development follow-up services during the first year of life

    Directory of Open Access Journals (Sweden)

    CMS Martinez

    2007-02-01

    Full Text Available INTRODUÇÃO: A literatura aponta o alto risco de distúrbios biológicos e psicossociais aos quais o bebê pré-termo está susceptível, necessitando de atenção diferenciada daquela dada ao bebê a termo. OBJETIVO: Elaborar um guia de orientação e acompanhamento do desenvolvimento no primeiro ano de vida para pais que freqüentam um serviço de acompanhamento do desenvolvimento de bebês. MÉTODO: Os critérios para inclusão dos participantes foram: ser pais de bebê pré-termo de zero a seis meses de idade corrigida que não apresentavam doença neurológica e não necessitaram de intervenção fisioterápica. O presente estudo, de caráter qualitativo, empregou, na etapa de coleta de dados, a observação direta e a entrevista, efetivadas com as mães e profissionais deste serviço de acompanhamento do desenvolvimento de bebês. A elaboração do Guia baseou-se nas análises das observações dos atendimentos no serviço, na freqüência das respostas das entrevistas com profissionais e mães sobre necessidades e dúvidas no manuseio e cuidado com o bebê e a associação com a literatura. RESULTADOS: Obteve-se um guia contendo informações sobre o desenvolvimento do bebê, distribuído nos quatro primeiros trimestres de vida, e o alerta sobre a importância de calcular a idade corrigida para o acompanhamento adequado dos marcos do desenvolvimento. CONCLUSÃO: A utilização deste guia pode ser feita por diferentes profissionais da saúde e por aqueles que desenvolvem atividades educativas para pais.INTRODUCTION: The literature shows that preterm infants are at high risk of biological and psychological disorders and consequently require a higher level of care than is provided for full-term infants. OBJECTIVE: To draw up a guide advising on development follow-up during the first year of life, for parents who attend a child development follow-up service. METHOD: The inclusion criteria were that participants should be parents of preterm

  9. Paper based electronics platform

    KAUST Repository

    Nassar, Joanna Mohammad; Sevilla, Galo Andres Torres; Hussain, Muhammad Mustafa

    2017-01-01

    A flexible and non-functionalized low cost paper-based electronic system platform fabricated from common paper, such as paper based sensors, and methods of producing paper based sensors, and methods of sensing using the paper based sensors

  10. Brazilian energy balance 2015: year 2014 - final report; Balanco energetico nacional 2015: ano base 2014 - relatorio final

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2015-07-01

    The Balance (BEB) contains the accounting relative to energy supply and consumption, as well the conversion processes and foreign trade. It presents in a single document the historical series of these operations and information about reserves, installed capacities and Federal States data. The BEB is divided into eight chapters and ten annexes, whose contents are as follow. Chapters' content can be described as follows: Chapter 1 - Energy Analysis and Aggregated Data - presents energy highlights per source in 2014 and analyses the evolution of the domestic energy supply and its relationship with economic growth. Chapter 2 - Energy Supply and Demand by Source - has the accountancy, per primary and secondary energy sources, of the production, import, export, variation of stocks, losses, adjustments, disaggregated total per socioeconomic sector in the country. Chapter 3 - Energy Consumption by Sector - presents the final energy consumption classified by primary and secondary source for each sector of the economy. Chapter 4 - Energy Imports and Exports - presents the evolution of the data on the import and export of energy and the dependence on external energy. Chapter 5 - Balance of Transformation Centers - presents the energy balances for the energy transformation centers including their losses. Chapter 6 - Energy Resources and Reserves - has the basic concepts use in the survey of resources and reserves of primary energy sources. Chapter 7 - Energy and Socio economics - contains a comparison of energy, economic and population parameters, specific consumption, energy intensities, average prices and spending on petroleum imports. Chapter 8 - State Energy Data - presents energy data for the states by Federal Unit, main energy source production, energy installations, reserves and hydraulic potential. Relating to annexes the current structure is presented bellow: Annex I - Installed Capacity - shows the installed capacity of electricity generation, the installed

  11. Investment opportunity in China's overseas oil project: An empirical analysis based on real option approach

    International Nuclear Information System (INIS)

    Tang, Bao-Jun; Zhou, Hui-Ling; Chen, Hao; Wang, Kai; Cao, Hong

    2017-01-01

    China's overseas oil investments uphold national energy security. Located in the complex international economic and political environment, the benefits of overseas oil projects are affected by various uncertainties. Oil companies call for a set of evaluation method dealing with these uncertainties, especially when encountering low-oil-price conditions. It is much more crucial to answer when to optimally invest rather than whether to invest. This paper analyzes the investment opportunity of an oil project in the development and production phase considering uncertainty, irreversibility and management flexibility. The decision-making process combines Discounted Cash Flow (DCF) method and the trinomial tree model of Real Option Approach (ROA). For practical purposes, tools of hurdle price, cumulative probability and decision tree are adopted. In addition, results of the case project show the economic feasibility at present and optimal start-up timing at the end of 2016. Besides, the lower cost parameters generally make it easier to meet the opportunity. The scenario analysis suggests the higher risk contributes to an earlier start-up. Furthermore, the issues of method applicability, investment signals and decision-lag effects are discussed. - Highlights: • Volatility is combined with fluctuations in oil price, exchange rate and political situation. • Hurdle price is adopted as a critical price to measure investment opportunity. • Scenario analysis suggests the higher risk contribute to earlier investment timing.

  12. Serious game e-Baby: percepção dos estudantes de enfermagem sobre a aprendizagem da avaliação clínica do bebê prematuro

    Directory of Open Access Journals (Sweden)

    Luciana Mara Monti Fonseca

    2015-02-01

    Full Text Available Objetivo: avaliar a opinião dos estudantes sobre a tecnologia educacional e-Baby. Método: estudo descritivo exploratório que teve como amostra 14 estudantes de enfermagem portugueses que utilizaram a tecnologia educacional digital e-Baby em um curso extracurricular. Para atender ao objetivo, a coleta de dados foi realizada por meio de um instrumento de opinião em escala do tipo Likert e com possibilidade de comentários pelos estudantes além de um instrumento de caracterização dos participantes. Resultados: os estudantes emitiram avaliações muito satisfatórias sobre o jogo e-Baby, variando desde aceitação no âmbito de usabilidade até sugestão de expansão para outros temas da Enfermagem. Conclusão: o serious game e-Baby pode ser considerado uma inovação didática e motivadora da aprendizagem e demonstra possuir interface adequada quanto aos aspectos do design e função educativa, provocando intensa interação entre o usuário e a ferramenta computacional.

  13. Escala de avaliação da reação de retração no bebê: Um estudo de validade The baby alarm distress scale: a validity study

    Directory of Open Access Journals (Sweden)

    Francisco Baptista Assumpção Jr.

    2002-03-01

    Full Text Available Avaliar a retração da criança pequena, a partir de um instrumento padronizado, deve levar em conta o contexto psicopatológico e o momento de desenvolvimento da criança. Apresentamos a validação do questionário BADS, a partir de sua aplicação em 90 crianças, com idade entre 0 e 2 anos, obtendo concordância entre os dois avaliadores, representada por Kappa de 0,71 para pIt should take into account the psychopatologic context and the child's development moment to evaluate the baby alarm distress from a standardized instrument. We present the BADS questionnaire validation by its application in 90 children, from 0 to 2 years-old, obtaining a K=0.783 to p<0.01, with a Spearman coeficient of 0.866 and factorial analysis to 4 factors to 63.5% of the population studied. With these psychometrical qualities, the scale shows its importance as a screening but is important its study in others populations.

  14. Recomendación sobre la vacuna contra la tosferina para los bebés y niños pequeños (Whooping Cough Vaccine Recommendation for Babies and Young Children)

    Centers for Disease Control (CDC) Podcasts

    2015-04-13

    Este podcast proporciona información acerca de la tosferina y la recomendación de que todos los niños reciban la vacuna DTaP según el calendario recomendado por los CDC para ayudar a protegerlos contra esta grave enfermedad.  Created: 4/13/2015 by National Center for Immunization and Respiratory Diseases (NCIRD), Division of Bacterial Diseases (DBD), Meningitis and Vaccine Preventable Diseases Branch (MVPDB).   Date Released: 4/13/2015.

  15. Maternal depression and father-mother-baby triadic interaction / Depressão materna e a interação triádica pai-mãe-bebê

    OpenAIRE

    Giana Bitencourt Frizzo; Cesar Augusto Piccinini

    2007-01-01

    This study examined the eventual differences in triadic (father-mother-baby) and dyadic (mother-baby, father-baby and father-mother) interaction in families with and without maternal depression, with one-year old babies, during a free-play session. Nineteen families participated in the study, 9 with maternal depression and 10 without. The triadic and the dyadic patterns of interaction were examined using a protocol with several categories. Contradicting the hypothesis of the study, there were...

  16. Recomendación sobre la vacuna contra la tosferina para los bebés y niños pequeños(Whooping Cough Vaccine Recommendation for Babies and Young Children)

    Centers for Disease Control (CDC) Podcasts

    Este podcast proporciona información acerca de la tosferina y la recomendación de que todos los niños reciban la vacuna DTaP según el calendario recomendado por los CDC para ayudar a protegerlos contra esta grave enfermedad.

  17. Tongue frenulum evaluation protocol in babies

    OpenAIRE

    Martinelli, Roberta Lopes de Castro; Marchesan, Irene Queiroz; Rodrigues, Antonio de Castro; Berretin-Felix, Giédre

    2012-01-01

    OBJETIVO: apresentar uma proposta de protocolo de avaliação do frênulo da língua em bebês com escores. MÉTODO: inicialmente foi realizada uma revisão da literatura relacionada, consultando as bases de dados Web of Science, Pubmed, Embase, All Evidence-Based Medicine Reviews e Scielo, bem como livros textos das áreas de anatomia, odontopediatria e fonoaudiologia. Todos os aspectos julgados relevantes nos trabalhos encontrados foram incluídos na versão inicial, que foi submetida à avaliação de ...

  18. The physics data base

    International Nuclear Information System (INIS)

    Gault, F.D.

    1984-01-01

    The physics data base is introduced along with its associated data base management system. The emphasis is on data and their use and a classification of data and of data bases is developed to distinguish compilation organizations. The characteristics of these organizations are examined briefly and the long term consequences of the physics data base discussed. (orig.)

  19. Solid Base Catalysis

    CERN Document Server

    Ono, Yoshio

    2011-01-01

    The importance of solid base catalysts has come to be recognized for their environmentally benign qualities, and much significant progress has been made over the past two decades in catalytic materials and solid base-catalyzed reactions. The book is focused on the solid base. Because of the advantages over liquid bases, the use of solid base catalysts in organic synthesis is expanding. Solid bases are easier to dispose than liquid bases, separation and recovery of products, catalysts and solvents are less difficult, and they are non-corrosive. Furthermore, base-catalyzed reactions can be performed without using solvents and even in the gas phase, opening up more possibilities for discovering novel reaction systems. Using numerous examples, the present volume describes the remarkable role solid base catalysis can play, given the ever increasing worldwide importance of "green" chemistry. The reader will obtain an overall view of solid base catalysis and gain insight into the versatility of the reactions to whic...

  20. Methods of Bank Valuation in the Age of Globalization

    Directory of Open Access Journals (Sweden)

    Alexander Karminsky

    2015-01-01

    Full Text Available This paper reviews the theory ofvalue-based management at the commercial bank and the main valuation methods in the age of globalization. The paper identifies five main factors that significantly influence valuation models selection and building: funding, liquidity, risks, exogenous factors and the capital cushion. It is shown that valuation models can be classified depending on underlying cash flows. Particular attention is paid to models based on potentially available cash flows (Discounted cash flow-oriented approaches, DCF and models based on residual income flows (Residual income-oriented approaches. In addition, we consider an alternative approach based on comparison with same sector banks (based on multiples. For bank valuation equity discounted сash flow method is recommended (Equity DCF. Equity DCF values equity value of a bank directly by discounting cash flows to equity at the cost of equity (Capital Asset Pricing Model, CAPM, rather than at the weighted average cost of capital (WACC. For the purposes of operational management residual income-oriented approaches are recommended for use, because they are better aligned with the process of internal planning and forecasting in banks. For strategic management residual income-oriented methods most useful when expected cash flows are negative throughout the forecast period. Discounted сash flow-oriented approaches are preferable when expected cash flows have positive values and needs for models using is motivated by supporting the investment decisions. Proposed classification can be developed in interests of bank management tasks in the midterm in the age of globalization.

  1. Army Equipment Modernization Plan

    Science.gov (United States)

    2013-01-01

    legacy Direct Support Electrical System Test Sets (DSESTS) and legacy Base Shop Test Facility (BSTF) in five BCTs. • $22M (OPA) procures 159 Multi...ATNAVICS AW B BAIS BAT BCBL BCPL BCS3 BCT BEB B-FIST BFSB BFT BI, BII, BII BIDS BLOS BSTF C2 C4I C4ISR CA/MISO CAB CAL CALS CARA CASUP CBDP CBRN CBRNE...Protocol Digital Moving Target Indicator Document Exploitation Dual Purpose Improved Conventional Munitions Dry Support Bridge Direct Support Electrical

  2. Brazilian energy balance 2011 - year 2010. Final report; Balanco energetico nacional 2011 - ano base 2010. Relatorio final

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2011-07-01

    The Brazilian energy balance - BEB - is divided into eight chapters and ten annexes, whose contents are as follow: chapter 1 - Energy Analysis and Aggregated Data - presents energy highlights per source in 2010 and analyses the evolution of the internal offer of energy and its relationship with economic growth in 2010; chapter 2 - Energy Supply and Demand by Source - has the accountancy, per primary and secondary energy sources, of the production, import, export, variation of stocks, losses, adjustments, desegregated total per socioeconomic sector in the country; chapter 3 - Energy Consumption by Sector - presents the final energy consumption classified by primary and secondary source for each sector of the economy; chapter 4 - Energy Imports and Exports - presents the evolution of the data on the import and export of energy and the dependence on external energy; chapter 5 - Balance of Transformation Centers - presents the energy balances for the energy transformation centers including their losses; chapter 6 - Energy Resources and Reserves - has the basic concepts use in the survey of resources and reserves of primary energy sources, with the evolution of the data from 1974 to 2010, through graphs and tables; chapter 7 - Energy and Socioeconomics - contains a comparison of energy, economic and population parameters, specific consumption, energy intensities, average prices and spending on petroleum imports; chapter 8 - State Energy Data - presents energy data for the states by Federal Unit, main energy source production, energy installations, reserves and hydraulic potential. (author)

  3. Beyond Zero Based Budgeting.

    Science.gov (United States)

    Ogden, Daniel M., Jr.

    1978-01-01

    Suggests that the most practical budgeting system for most managers is a formalized combination of incremental and zero-based analysis because little can be learned about most programs from an annual zero-based budget. (Author/IRT)

  4. VectorBase

    Data.gov (United States)

    U.S. Department of Health & Human Services — VectorBase is a Bioinformatics Resource Center for invertebrate vectors. It is one of four Bioinformatics Resource Centers funded by NIAID to provide web-based...

  5. Mobile Inquiry Based Learning

    NARCIS (Netherlands)

    Specht, Marcus

    2012-01-01

    Specht, M. (2012, 8 November). Mobile Inquiry Based Learning. Presentation given at the Workshop "Mobile inquiry-based learning" at the Mobile Learning Day 2012 at the Fernuniversität Hagen, Hagen, Germany.

  6. Microbead agglutination based assays

    KAUST Repository

    Kodzius, Rimantas; Castro, David; Foulds, Ian G.; Parameswaran, Ash M.; Sumanpreet, K. Chhina

    2013-01-01

    We report a simple and rapid room temperature assay for point-of-care (POC) testing that is based on specific agglutination. Agglutination tests are based on aggregation of microbeads in the presence of a specific analyte thus enabling

  7. Carbon Based Nanotechnology: Review

    Science.gov (United States)

    Srivastava, Deepak; Saini, Subhash (Technical Monitor)

    1999-01-01

    This presentation reviews publicly available information related to carbon based nanotechnology. Topics covered include nanomechanics, carbon based electronics, nanodevice/materials applications, nanotube motors, nano-lithography and H2O storage in nanotubes.

  8. The ground based plan

    International Nuclear Information System (INIS)

    1989-01-01

    The paper presents a report of ''The Ground Based Plan'' of the United Kingdom Science and Engineering Research Council. The ground based plan is a plan for research in astronomy and planetary science by ground based techniques. The contents of the report contains a description of:- the scientific objectives and technical requirements (the basis for the Plan), the present organisation and funding for the ground based programme, the Plan, the main scientific features and the further objectives of the Plan. (U.K.)

  9. Stolen Base Physics

    Science.gov (United States)

    Kagan, David

    2013-01-01

    Few plays in baseball are as consistently close and exciting as the stolen base. While there are several studies of sprinting, the art of base stealing is much more nuanced. This article describes the motion of the base-stealing runner using a very basic kinematic model. The model will be compared to some data from a Major League game. The…

  10. Convergent Filter Bases

    Directory of Open Access Journals (Sweden)

    Coghetto Roland

    2015-09-01

    Full Text Available We are inspired by the work of Henri Cartan [16], Bourbaki [10] (TG. I Filtres and Claude Wagschal [34]. We define the base of filter, image filter, convergent filter bases, limit filter and the filter base of tails (fr: filtre des sections.

  11. Cholinesterase-based biosensors.

    Science.gov (United States)

    Štěpánková, Šárka; Vorčáková, Katarína

    2016-01-01

    Recently, cholinesterase-based biosensors are widely used for assaying anticholinergic compounds. Primarily biosensors based on enzyme inhibition are useful analytical tools for fast screening of inhibitors, such as organophosphates and carbamates. The present review is aimed at compilation of the most important facts about cholinesterase based biosensors, types of physico-chemical transduction, immobilization strategies and practical applications.

  12. DSRC中一种考虑剩余时间的信道访问退避算法%Channel access backoff algorithm considered remaining time for DSRC

    Institute of Scientific and Technical Information of China (English)

    曹敦; 唐雨龙; 雷正保

    2016-01-01

    IEEE 802.11p protocol is a low layer standard of DSRC, the backoff algoritm which utilized is BEB(Binary Exponential Backoff). BEB is widely used, but this algorithm cannot adapt to the DSRC network very well, because vehi-cles with high speed and the rapid changes of the network topology may easily lead to problems, such as unfairness of channel access and increasing rate of packet loss. To optimize and improve these situation, a backoff algorithm based on remaining time is proposed, this algorithm calculates the remaining time by the current speed of vehicle nodes to optimize the backoff mechanism. The experimental results show that, the mechanism proposed has a better performance in improving fairness of channel access and increasing the network throughput.%IEEE 802.11p协议是DSRC技术的下层标准,而该协议采用的仍然是传统的二进制指数退避算法(BEB).BEB算法虽已广泛使用,但并不能很好地适应DSRC中车载节点的高速移动及其拓扑结构快速变化的特点,易出现信道访问不公平,网络丢包率增加等问题.针对这些问题,提出一种考虑剩余时间的退避算法,由车辆节点的当前速度计算其剩余时间,优化退避机制.实验表明,提出的机制在改善信道访问公平性,提高网络吞吐量等方面均有较好的改善.

  13. Abusive head trauma in children: a literature review

    Directory of Open Access Journals (Sweden)

    Nahara R.L. Lopes

    2013-09-01

    Full Text Available Objective: To review the scientific literature on pediatric abusive head trauma as a form of physical abuse against infants and young children, highlighting the prevalence, signs and symptoms, consequences, risk factors for its occurrence, and prevention strategies. Data source: The MEDLINE, SciELO, LILACS, and Web of Science databases from 2001 to 2012 were reviewed, using the terms “shaken baby syndrome” and “abusive head trauma” in English, Spanish, and Portuguese. Data synthesis: Pediatric abusive head trauma is defined as injury to the skull or intracranial contents of a infant or child younger than 5 years due to intentional abrupt impact and/or violent shaking. It occurs mainly in infants and children under 1 year of age, and may result in severe consequences, from physical or mental disabilities to death. Although there are specific signs for this form of abuse, they can be mistaken for common illnesses in children or accidental head injury; thus, clinical training of professionals involved in the assessment of cases to attain the correct diagnosis is crucial. Prevention strategies should include early identification of cases, as well as parental education on child development, especially on the infant's crying pattern. Conclusions: Considering the severity of abusive head trauma in children, it is critical that prevention strategies be implemented and evaluated in the Brazilian context. It is suggested that its incidence indicators be assessed at the national level. Resumo: Objetivo: Fornecer uma revisão de literatura científica sobre trauma craniano violento pediátrico enquanto forma de maus-tratos físicos contra bebês e crianças, ressaltando prevalência, sinais e sintomas, consequências, fatores de risco para sua ocorrência e, principalmente, estratégias de prevenção. Fontes dos dados: Revisão nas bases de dados MEDLINE, SciELO, LILACS e Web of Science no período de 2001 a 2012 utilizando os termos

  14. ARAC terrain data base

    International Nuclear Information System (INIS)

    Walker, H.

    1982-11-01

    A terrain data base covering the continental United States at 500-meter resolution has been generated. Its function is to provide terrain data for input to mesoscale atmospheric models that are used as part of the Atmospheric Release Advisory Capability at Lawrence Livermore Laboratory (LLNL). The structure of the data base as it exists on the LLNL computer system is described. The data base has been written to tapes for transfer to other systems and the format of these tapes is also described

  15. Base Station Performance Model

    OpenAIRE

    Walsh, Barbara; Farrell, Ronan

    2005-01-01

    At present the testing of power amplifiers within base station transmitters is limited to testing at component level as opposed to testing at the system level. While the detection of catastrophic failure is possible, that of performance degradation is not. This paper proposes a base station model with respect to transmitter output power with the aim of introducing system level monitoring of the power amplifier behaviour within the base station. Our model reflects the expe...

  16. Value-based pricing

    OpenAIRE

    Netseva-Porcheva Tatyana

    2010-01-01

    The main aim of the paper is to present the value-based pricing. Therefore, the comparison between two approaches of pricing is made - cost-based pricing and value-based pricing. The 'Price sensitively meter' is presented. The other topic of the paper is the perceived value - meaning of the perceived value, the components of perceived value, the determination of perceived value and the increasing of perceived value. In addition, the best company strategies in matrix 'value-cost' are outlined. .

  17. Network-Based Effectiveness

    National Research Council Canada - National Science Library

    Friman, Henrik

    2006-01-01

    ...) to increase competitive advantage, innovation, and mission effectiveness. Network-based effectiveness occurs due to the influence of various factors such as people, procedures, technology, and organizations...

  18. Case-based reasoning

    CERN Document Server

    Kolodner, Janet

    1993-01-01

    Case-based reasoning is one of the fastest growing areas in the field of knowledge-based systems and this book, authored by a leader in the field, is the first comprehensive text on the subject. Case-based reasoning systems are systems that store information about situations in their memory. As new problems arise, similar situations are searched out to help solve these problems. Problems are understood and inferences are made by finding the closest cases in memory, comparing and contrasting the problem with those cases, making inferences based on those comparisons, and asking questions whe

  19. Strengths-based Learning

    DEFF Research Database (Denmark)

    Ledertoug, Mette Marie

    -being. The Ph.D.-project in Strength-based learning took place in a Danish school with 750 pupils age 6-16 and a similar school was functioning as a control group. The presentation will focus on both the aware-explore-apply processes and the practical implications for the schools involved, and on measurable......Strength-based learning - Children͛s Character Strengths as Means to their Learning Potential͛ is a Ph.D.-project aiming to create a strength-based mindset in school settings and at the same time introducing strength-based interventions as specific tools to improve both learning and well...

  20. Monitoring Knowledge Base (MKB)

    Data.gov (United States)

    U.S. Environmental Protection Agency — The Monitoring Knowledge Base (MKB) is a compilation of emissions measurement and monitoring techniques associated with air pollution control devices, industrial...

  1. Imagery Data Base Facility

    Data.gov (United States)

    Federal Laboratory Consortium — The Imagery Data Base Facility supports AFRL and other government organizations by providing imagery interpretation and analysis to users for data selection, imagery...

  2. Brazilian Energy Balance 2016 - calendar year 2015; Balanco energetico nacional 2016 - ano base 2015

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2016-07-01

    The BEB is divided into eight chapters and ten annexes, whose contents are as follow. Chapter 1 - Energy Analysis and Aggregated Data - presents energy highlights per source in 2015 and analyses the evolution of the domestic energy supply and its relationship with economic growth. Chapter 2 - Energy Supply and Demand by Source - has the accountancy, per primary and secondary energy sources, of the production, import, export, variation of stocks, losses, adjustments and total consumption disaggregated per socioeconomic sector in the country. Chapter 3 - Energy Consumption by Sector - presents the final energy consumption classified by primary and secondary source for each sector of the economy. Chapter 4 - Energy Imports and Exports - presents the evolution of the data on the import and export of energy and the dependence on external energy. Chapter 5 - Balance of Transformation Centers - presents the energy balances for the energy transformation centers including their losses. Chapter 6 - Energy Resources and Reserves - has the basic concepts use in the survey of resources and reserves of primary energy sources. Chapter 7 - Energy and Socioeconomics - contains a comparison of energy, economic and population parameters, specific consumption, energy intensities, average prices and spending on petroleum imports. Chapter 8 - State Energy Data - presents energy data for the states by Federal Unit, main energy source production, energy installations, reserves and hydraulic potential. Relating to annexes the current structure is presented bellow: Annex I - Installed Capacity - shows the installed capacity of electricity generation, the installed capacity of Itaipu hydro plant and the installed capacity for oil refining. Annex II - Self-production of Electricity - presents disaggregated data of self-production, considering sources and sectors. Annex III - World Energy Data - presents the main indicators for the production, import, export and consumption per energy source

  3. Performance Analysis of Different Backoff Algorithms for WBAN-Based Emerging Sensor Networks.

    Science.gov (United States)

    Khan, Pervez; Ullah, Niamat; Ali, Farman; Ullah, Sana; Hong, Youn-Sik; Lee, Ki-Young; Kim, Hoon

    2017-03-02

    The Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) procedure of IEEE 802.15.6 Medium Access Control (MAC) protocols for the Wireless Body Area Network (WBAN) use an Alternative Binary Exponential Backoff (ABEB) procedure. The backoff algorithm plays an important role to avoid collision in wireless networks. The Binary Exponential Backoff (BEB) algorithm used in different standards does not obtain the optimum performance due to enormous Contention Window (CW) gaps induced from packet collisions. Therefore, The IEEE 802.15.6 CSMA/CA has developed the ABEB procedure to avoid the large CW gaps upon each collision. However, the ABEB algorithm may lead to a high collision rate (as the CW size is incremented on every alternative collision) and poor utilization of the channel due to the gap between the subsequent CW. To minimize the gap between subsequent CW sizes, we adopted the Prioritized Fibonacci Backoff (PFB) procedure. This procedure leads to a smooth and gradual increase in the CW size, after each collision, which eventually decreases the waiting time, and the contending node can access the channel promptly with little delay; while ABEB leads to irregular and fluctuated CW values, which eventually increase collision and waiting time before a re-transmission attempt. We analytically approach this problem by employing a Markov chain to design the PFB scheme for the CSMA/CA procedure of the IEEE 80.15.6 standard. The performance of the PFB algorithm is compared against the ABEB function of WBAN CSMA/CA. The results show that the PFB procedure adopted for IEEE 802.15.6 CSMA/CA outperforms the ABEB procedure.

  4. Performance Analysis of Different Backoff Algorithms for WBAN-Based Emerging Sensor Networks

    Directory of Open Access Journals (Sweden)

    Pervez Khan

    2017-03-01

    Full Text Available The Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA procedure of IEEE 802.15.6 Medium Access Control (MAC protocols for the Wireless Body Area Network (WBAN use an Alternative Binary Exponential Backoff (ABEB procedure. The backoff algorithm plays an important role to avoid collision in wireless networks. The Binary Exponential Backoff (BEB algorithm used in different standards does not obtain the optimum performance due to enormous Contention Window (CW gaps induced from packet collisions. Therefore, The IEEE 802.15.6 CSMA/CA has developed the ABEB procedure to avoid the large CW gaps upon each collision. However, the ABEB algorithm may lead to a high collision rate (as the CW size is incremented on every alternative collision and poor utilization of the channel due to the gap between the subsequent CW. To minimize the gap between subsequent CW sizes, we adopted the Prioritized Fibonacci Backoff (PFB procedure. This procedure leads to a smooth and gradual increase in the CW size, after each collision, which eventually decreases the waiting time, and the contending node can access the channel promptly with little delay; while ABEB leads to irregular and fluctuated CW values, which eventually increase collision and waiting time before a re-transmission attempt. We analytically approach this problem by employing a Markov chain to design the PFB scheme for the CSMA/CA procedure of the IEEE 80.15.6 standard. The performance of the PFB algorithm is compared against the ABEB function of WBAN CSMA/CA. The results show that the PFB procedure adopted for IEEE 802.15.6 CSMA/CA outperforms the ABEB procedure.

  5. Valorización de Cementos Pacasmayo

    OpenAIRE

    Peñaranda Huerta, Ricardo Alberto; Salinas Lau, Gerardo Jesús; Vega Gamonal, Gerard Alvaro

    2017-01-01

    Cementos Pacasmayo S.A.A. y sus subsidiarias son los productores, distribuidores y comercializadores de cemento más importante en el norte del Perú, cuenta con 3 plantas de producción en Pacasmayo, Rioja y Piura, con una capacidad de producción total anual de 4,9 millones de TM. Su participación de mercado es aproximadamente el 95% y tienen más de 200 puntos de venta. La valorización por el método de flujos de caja descontados (DCF) tiene como fecha base el 30 de diciembre del 2016. Entre los...

  6. An EOQ model for a deteriorating item with non-linear demand under inflation and a trade credit policy

    Directory of Open Access Journals (Sweden)

    Manna S.K.

    2005-01-01

    Full Text Available This paper develops an infinite time-horizon deterministic economic order quantity (EOQ inventory model with deterioration based on discounted cash flows (DCF approach where demand rate is assumed to be non-linear over time. The effects of inflation and time-value of money are also taken into account under a trade-credit policy of type "α/T1 net T". The results are illustrated with a numerical example. Sensitivity analysis of the optimal solution with respect to the parameters of the system is carried out.

  7. Komparativ analyse - Scandinavian Airlines & Norwegian Air Shuttle

    OpenAIRE

    Kallesen, Martin Nystrup; Singh, Ravi Pal; Boesen, Nana Wiaberg

    2017-01-01

    The project is based around a pondering of how that a company the size of Scandinavian Airlines or Norwegian Air Shuttle use their Finances and how they see their external environment. This has led to us researching the relationship between the companies and their finances as well as their external environment, and how they differ in both.To do this we have utilised a myriad of different methods to analyse the companies, including PESTEL, SWOT, TOWS; DCF, risk analysis, Sensitivity, Porter’s ...

  8. Nano size Aerosols of Radon Decay Products in Various Environments

    International Nuclear Information System (INIS)

    Vaupotic, J.

    2008-01-01

    The radioactive noble gas radon (222Rn, alpha decay, t 1/2 = 3.82 days) is always accompanied by its short-lived decay products (RnDP): 218Po (alpha decay, t 1/2 = 3.10 min), 214Pb (beta/gamma decay, t 1/2 = 26.8 min), 214Bi (beta/gamma decay, t 1/2 = 19.9 min), and 214Po (alpha decay, t 1/2 = 164 μs). In indoor and outdoor air, they appear as unattached RnDP in the form of clusters in the size range 0.5-3 nm and as attached RnDP between 200 and 800 nm. Because of plate-out of aerosols on the walls and floor of a room, as well as air movement and entry of fresh air, radioactive equilibrium between RnDP and Rn in indoor air is only partly achieved and is expressed as a fraction between 0 and 1, called the equilibrium factor, F. Birchall and James elaborated a dosimetric approach to calculate the dose conversion factor, DCF D , based on f un . In this paper, the results of our studies on fun in 29 rooms of kindergartens and 26 rooms of elementary and high schools, at the lowest point and the railway station in the Postojna Cave, and in 4 rooms in wineries in Slovenia are reported, and DCF D values based on the Porstendorfer formulae are discussed and compared with the DCF E value recommended by ICRP-65

  9. Game-Based Teaching

    DEFF Research Database (Denmark)

    Hanghøj, Thorkild

    2013-01-01

    This chapter outlines theoretical and empirical perspectives on how Game-Based Teaching can be integrated within the context of formal schooling. Initially, this is done by describing game scenarios as models for possible actions that need to be translated into curricular knowledge practices...... approaches to game-based teaching, which may or may not correspond with the pedagogical models of particular games....

  10. Secure base stations

    NARCIS (Netherlands)

    Bosch, Peter; Brusilovsky, Alec; McLellan, Rae; Mullender, Sape J.; Polakos, Paul

    2009-01-01

    With the introduction of the third generation (3G) Universal Mobile Telecommunications System (UMTS) base station router (BSR) and fourth generation (4G) base stations, such as the 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE) Evolved Node B (eNB), it has become important to

  11. Hydrogel based occlusion systems

    NARCIS (Netherlands)

    Stam, F.A.; Jackson, N.; Dubruel, P.; Adesanya, K.; Embrechts, A.; Mendes, E.; Neves, H.P.; Herijgers, P.; Verbrugghe, Y.; Shacham, Y.; Engel, L.; Krylov, V.

    2013-01-01

    A hydrogel based occlusion system, a method for occluding vessels, appendages or aneurysms, and a method for hydrogel synthesis are disclosed. The hydrogel based occlusion system includes a hydrogel having a shrunken and a swollen state and a delivery tool configured to deliver the hydrogel to a

  12. Diffusion Based Photon Mapping

    DEFF Research Database (Denmark)

    Schjøth, Lars; Fogh Olsen, Ole; Sporring, Jon

    2007-01-01

    . To address this problem we introduce a novel photon mapping algorithm based on nonlinear anisotropic diffusion. Our algorithm adapts according to the structure of the photon map such that smoothing occurs along edges and structures and not across. In this way we preserve the important illumination features......, while eliminating noise. We call our method diffusion based photon mapping....

  13. Diffusion Based Photon Mapping

    DEFF Research Database (Denmark)

    Schjøth, Lars; Olsen, Ole Fogh; Sporring, Jon

    2006-01-01

    . To address this problem we introduce a novel photon mapping algorithm based on nonlinear anisotropic diffusion. Our algorithm adapts according to the structure of the photon map such that smoothing occurs along edges and structures and not across. In this way we preserve the important illumination features......, while eliminating noise. We call our method diffusion based photon mapping....

  14. Zero-Based Budgeting.

    Science.gov (United States)

    Wichowski, Chester

    1979-01-01

    The zero-based budgeting approach is designed to achieve the greatest benefit with the fewest undesirable consequences. Seven basic steps make up the zero-based decision-making process: (1) identifying program goals, (2) classifying goals, (3) identifying resources, (4) reviewing consequences, (5) developing decision packages, (6) implementing a…

  15. Office-based anaesthesia

    African Journals Online (AJOL)

    infection, and consistency in nursing personnel. In the USA 17 -. 24% of all elective ambulatory surgery is ... knowledge base or personality to deal with the OBA environment. Compared with hospitals, office-based facilities currently ... disease or major cardiovascular risk factors). Intravenous access via a flexible cannula is.

  16. Knowledge base mechanisms

    Energy Technology Data Exchange (ETDEWEB)

    Suwa, M; Furukawa, K; Makinouchi, A; Mizoguchi, T; Mizoguchi, F; Yamasaki, H

    1982-01-01

    One of the principal goals of the Fifth Generation Computer System Project for the coming decade is to develop a methodology for building knowledge information processing systems which will provide people with intelligent agents. The key notion of the fifth generation computer system is knowledge used for problem solving. In this paper the authors describe the plan of Randd on knowledge base mechanisms. A knowledge representation system is to be designed to support knowledge acquisition for the knowledge information processing systems. The system will include a knowledge representation language, a knowledge base editor and a debugger. It is also expected to perform as a kind of meta-inference system. In order to develop the large scale knowledge base systems, a knowledge base mechanism based on the relational model is to be studied in the earlier stage of the project. Distributed problem solving is also one of the main issues of the project. 19 references.

  17. Skull base tumours

    Energy Technology Data Exchange (ETDEWEB)

    Borges, Alexandra [Instituto Portugues de Oncologia Francisco Gentil, Servico de Radiologia, Rua Professor Lima Basto, 1093 Lisboa Codex (Portugal)], E-mail: borgesalexandra@clix.pt

    2008-06-15

    With the advances of cross-sectional imaging radiologists gained an increasing responsibility in the management of patients with skull base pathology. As this anatomic area is hidden to clinical exam, surgeons and radiation oncologists have to rely on imaging studies to plan the most adequate treatment. To fulfil these endeavour radiologists need to be knowledgeable about skull base anatomy, about the main treatment options available, their indications and contra-indications and needs to be aware of the wide gamut of pathologies seen in this anatomic region. This article will provide a radiologists' friendly approach to the central skull base and will review the most common central skull base tumours and tumours intrinsic to the bony skull base.

  18. Evidence-based radiography

    International Nuclear Information System (INIS)

    Hafslund, Bjorg; Clare, Judith; Graverholt, Birgitte; Wammen Nortvedt, Monica

    2008-01-01

    Evidence-based practice (EBP) offers the integration of the best research evidence with clinical knowledge and expertise and patient values. EBP is a well known term in health care. This paper discusses the implementation of EBP into radiography and introduces the term evidence-based radiography. Evidence-based radiography is radiography informed and based on the combination of clinical expertise and the best available research-based evidence, patient preferences and resources available. In Norway, EBP in radiography is being debated and radiographers are discussing the challenges of implementing EBP in both academic and clinical practice. This discussion paper explains why EBP needs to be a basis for a radiography curriculum and a part of radiographers' practice. We argue that Norwegian radiographers must increase participation in research and developing practice within their specific radiographic domain

  19. Skull base tumours

    International Nuclear Information System (INIS)

    Borges, Alexandra

    2008-01-01

    With the advances of cross-sectional imaging radiologists gained an increasing responsibility in the management of patients with skull base pathology. As this anatomic area is hidden to clinical exam, surgeons and radiation oncologists have to rely on imaging studies to plan the most adequate treatment. To fulfil these endeavour radiologists need to be knowledgeable about skull base anatomy, about the main treatment options available, their indications and contra-indications and needs to be aware of the wide gamut of pathologies seen in this anatomic region. This article will provide a radiologists' friendly approach to the central skull base and will review the most common central skull base tumours and tumours intrinsic to the bony skull base

  20. Increase in covalent binding of 5-hydroxydiclofenac to hepatic tissues in rats co-treated with lipopolysaccharide and diclofenac: involvement in the onset of diclofenac-induced idiosyncratic hepatotoxicity.

    Science.gov (United States)

    Kishida, Tomoyuki; Onozato, Tomoya; Kanazawa, Toru; Tanaka, Satoru; Kuroda, Junji

    2012-01-01

    Diclofenac (DCF), a nonsteroidal anti-inflammatory drug, is well known to induce idiosyncratic hepatotoxicity. Although there remains much to be elucidated about its onset mechanism, it is widely accepted as a hypothesis that idiosyncratic hepatotoxicity arises from a specific immune response to a hapten formed by covalent binding of drugs or their reactive metabolites to hepatic tissues. In this study, we investigated the effects of covalent binding of DCF reactive metabolites to hepatic tissues using a rat model of liver injury induced by co-treatment with lipopolysaccharide (LPS) at a non-hepatotoxic dose. In studies done in vitro using hepatic microsomes prepared from rats treated with LPS alone, 4'- and 5-hydroxylation activities on DCF metabolism and adducts of reactive metabolites to dansyl glutathione (dGSH) were markedly decreased associated with a decrease in total P450 content. However, in studies done in vivo, the LPS/DCF co-treatment significantly increased adducts of 5-hydroxydiclofenac (5-OH-DCF) to rat hepatic tissues and delayed the elimination of 5-OH-DCF from plasma. Furthermore, we investigated the effects of co-treatment on hepatic GSH level in rats. A decrease of hepatic GSH was observed with the LPS/DCF co-treatment but not with LPS or DCF alone. The results suggest that covalent binding of reactive metabolites via 5-OH-DCF to hepatic tissues may play an important role in the onset of DCF-induced idiosyncratic hepatotoxicity, especially under decreased GSH conditions.

  1. Design-Based Research

    DEFF Research Database (Denmark)

    Gynther, Karsten; Christensen, Ove; Petersen, Trine Brun

    2012-01-01

    I denne artikel introduceres Design Based Research for første gang på dansk i et videnskabeligt tidsskrift. Artiklen præsenterer de grundlæggende antagelser, som ligger til grund for Design Based Research-traditionen, og artiklen diskuterer de principper, som ligger til grund for gennemførelse af...... et DBR-forskningsprojekt. Med udgangspunkt i forsknings- og udviklingsprojektet ELYK: E-læring, Yderområder og Klyngedannelse, præsenteres den innovationsmodel, som projektet har udviklet med udgangspunkt i Design Based Research traditionen. ELYKs DBR innovationsmodel har vist sig effektiv i forhold...

  2. Nature-based integration

    DEFF Research Database (Denmark)

    Pitkänen, Kati; Oratuomi, Joose; Hellgren, Daniela

    Increased attention to, and careful planning of the integration of migrants into Nordic societies is ever more important. Nature based integration is a new solution to respond to this need. This report presents the results of a Nordic survey and workshop and illustrates current practices of nature...... based integration by case study descriptions from Denmark, Sweden Norway and Finland. Across Nordic countries several practical projects and initiatives have been launched to promote the benefits of nature in integration and there is also growing academic interest in the topic. Nordic countries have...... the potential of becoming real forerunners in nature based integration even at the global scale....

  3. Data base management study

    Science.gov (United States)

    1976-01-01

    Data base management techniques and applicable equipment are described. Recommendations which will assist potential NASA data users in selecting and using appropriate data base management tools and techniques are presented. Classes of currently available data processing equipment ranging from basic terminals to large minicomputer systems were surveyed as they apply to the needs of potential SEASAT data users. Cost and capabilities projections for this equipment through 1985 were presented. A test of a typical data base management system was described, as well as the results of this test and recommendations to assist potential users in determining when such a system is appropriate for their needs. The representative system tested was UNIVAC's DMS 1100.

  4. Value-based pricing

    Directory of Open Access Journals (Sweden)

    Netseva-Porcheva Tatyana

    2010-01-01

    Full Text Available The main aim of the paper is to present the value-based pricing. Therefore, the comparison between two approaches of pricing is made - cost-based pricing and value-based pricing. The 'Price sensitively meter' is presented. The other topic of the paper is the perceived value - meaning of the perceived value, the components of perceived value, the determination of perceived value and the increasing of perceived value. In addition, the best company strategies in matrix 'value-cost' are outlined. .

  5. QuickBase

    CERN Document Server

    Conner, Nancy

    2007-01-01

    Ready to put Intuit's QuickBase to work? Our new Missing Manual shows you how to capture, modify, share, and manage data and documents with this web-based data-sharing program quickly and easily. No longer do you have to coordinate your team through a blizzard of emails or play frustrating games of "guess which document is the right one."QuickBase saves your organization time and money, letting you manage and share the information that makes your business tick: sales figures, project timelines, drafts of documents, purchase or work requests--whatever information you need to keep business flowi

  6. Near Real Time Change-Point detection in Optical and Thermal Infrared Time Series Using Bayesian Inference over the Dry Chaco Forest

    Science.gov (United States)

    Barraza Bernadas, V.; Grings, F.; Roitberg, E.; Perna, P.; Karszenbaum, H.

    2017-12-01

    The Dry Chaco region (DCF) has the highest absolute deforestation rates of all Argentinian forests. The most recent report indicates a current deforestation rate of 200,000 Ha year-1. In order to better monitor this process, DCF was chosen to implement an early warning program for illegal deforestation. Although the area is intensively studied using medium resolution imagery (Landsat), the products obtained have a yearly pace and therefore unsuited for an early warning program. In this paper, we evaluated the performance of an online Bayesian change-point detection algorithm for MODIS Enhanced Vegetation Index (EVI) and Land Surface Temperature (LST) datasets. The goal was to to monitor the abrupt changes in vegetation dynamics associated with deforestation events. We tested this model by simulating 16-day EVI and 8-day LST time series with varying amounts of seasonality, noise, length of the time series and by adding abrupt changes with different magnitudes. This model was then tested on real satellite time series available through the Google Earth Engine, over a pilot area in DCF, where deforestation was common in the 2004-2016 period. A comparison with yearly benchmark products based on Landsat images is also presented (REDAF dataset). The results shows the advantages of using an automatic model to detect a changepoint in the time series than using only visual inspection techniques. Simulating time series with varying amounts of seasonality and noise, and by adding abrupt changes at different times and magnitudes, revealed that this model is robust against noise, and is not influenced by changes in amplitude of the seasonal component. Furthermore, the results compared favorably with REDAF dataset (near 65% of agreement). These results show the potential to combine LST and EVI to identify deforestation events. This work is being developed within the frame of the national Forest Law for the protection and sustainable development of Native Forest in Argentina in

  7. Rapid analysis of diclofenac and some of its transformation products in the three-spined stickleback, Gasterosteus aculeatus, by liquid chromatography-tandem mass spectrometry.

    Science.gov (United States)

    Daniele, Gaëlle; Fieu, Maëva; Joachim, Sandrine; Bado-Nilles, Anne; Baudoin, Patrick; Turies, Cyril; Porcher, Jean-Marc; Andres, Sandrine; Vulliet, Emmanuelle

    2016-06-01

    Pharmaceuticals are emerging organic contaminants ubiquitously present in the environment due to incessant input into the aquatic compartment mainly resulting from incomplete removal in wastewater treatment plants. One of the major preoccupations concerning pharmaceuticals released into surface waters is their potential for bioaccumulation in biota, possibly leading to deleterious effects on ecosystems especially as they could affect a broad variety of organisms living in or depending on the aquatic environment. Thus, the development of accurate and sensitive methods is necessary to detect these compounds in aquatic ecosystems. Considering this need, this study deals with the analytical development of a methodology to quantify traces of diclofenac together with some of its biotic and abiotic transformation products in whole-body tissue of three-spined stickleback. A simple and reliable extraction method based on a modified QuEChERS extraction is implemented on 200 mg of fish. The detection and quantification of the ten target compounds are performed using liquid chromatography-tandem mass spectrometry. The whole process was successfully validated regarding linearity, recovery, repeatability, and reproducibility. The method limits of detection and quantification do not exceed 1 ng/g. To reproduce environmental conditions, we measured the concentration of DCF and its transformation products in three-spined sticklebacks after a 6-month exposure in mesocosms at several levels of DCF ranging from 0.05 to 4.1 μg/L. The phase I metabolite 4'-hydroxydiclofenac was detected in fish samples exposed at the highest DCF concentration. Graphical abstract Analysis of diclofenac and some of its transformation products in the three-spined stickleback, Gasterosteus aculeatus, by QuEChERS extraction followed by LC-MS/MS.

  8. Economic Evaluation for Energy Business Using Real Options Pricing Method

    Energy Technology Data Exchange (ETDEWEB)

    Yun, W.C. [Korea Energy Economics Institute, Euiwang (Korea)

    2001-11-01

    Recently, facing the new era of restructuring, privatization, and liberalization the energy industry in the world is changing rapidly, and thus the uncertain factors tend to increase. This would imply that energy-related business is now confronted with new market risks as well as the simple price risks. The traditional investment valuation method using the concept of net present value (NPV) or internal rate of revenue (IRR) might not incorporate the managerial alternatives which enable managers to respond flexibly to the changes in business environment. This study pointed out the problems of the traditional discounted cash flow (DCF) method when evaluating a certain capital investment in energy industry. As an alternative, the real option pricing method (ROPM) was proposed, which is widely adopted in the field of profit projection for the venture business. In addition, when applying to energy sector the feasibility of ROPM was discussed, and the frameworks and major results of previous related studies were described. For those using the ROPM in real business, I explained the detailed procedures and solutions of ROPM, and introduced the log-transformed binomial model which provides a more efficient solution. In order to verify the usefulness of the ROPM, this study performed an empirical analysis for a virtual construction and operation project of power plant. And, the results from the ROPM was compared to those from the traditional DCF method. Based on the empirical results, the values of various investment opportunities were shown to be high. Therefore, the project not justified in terms of traditional DCF would turn into the project with a positive gross project value, properly reflecting managerial flexibilities inherent in the original project. (author). 58 refs., 32 figs., 33 tabs.

  9. Relationship between the structure of Fe-MCM-48 and its activity in catalytic ozonation for diclofenac mineralization.

    Science.gov (United States)

    Li, Xukai; Chen, Weirui; Tang, Yiming; Li, Laisheng

    2018-05-12

    Fe-MCM-48 catalyst with a three-dimensional cubic pore structure was directly synthesized via a hydrothermal method, and the mineralization efficiency of diclofenac (DCF) in the catalytic ozonation process (Fe-MCM-48/O 3 ) was assessed. X-ray diffraction (XRD), N 2 adsorption desorption, transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) characterizations revealed that Fe existed in the framework of MCM-48, and Fe-MCM-48 possessed a large surface area and a highly ordered cubic mesoporous structure, which could accelerate reactants and products diffusion. Regarding mineralization efficiency, the addition of Fe-MCM-48 significantly improved total organic carbon (TOC) removal, and approximately 49.9% TOC were removed through the Fe-MCM-48/O 3 process at 60 min, which was 2.0 times higher than that in single ozonation. Due to this catalyst's superior structure, Fe-MCM-48 showed the better catalytic activity compared with Fe-MCM-41 and Fe loaded MCM-48 (Fe/MCM-48, Fe existed on the surface of MCM-48). DCF removal in the Fe-MCM-48/O 3 process was primarily based on ozone direct oxidation. The improvement of mineralization efficiency was attributed to the function of generated hydroxyl radicals (•OH), which indicated that the presence of Fe-MCM-48 accelerated ozone decomposition. Moreover, the negatively charged surface of Fe-MCM-48 and the proper pH value of the DCF solution played an essential role in OH generation. Copyright © 2018 Elsevier Ltd. All rights reserved.

  10. A Binary-Encounter-Bethe Approach to Simulate DNA Damage by the Direct Effect

    Science.gov (United States)

    Plante, Ianik; Cucinotta, Francis A.

    2013-01-01

    The DNA damage is of crucial importance in the understanding of the effects of ionizing radiation. The main mechanisms of DNA damage are by the direct effect of radiation (e.g. direct ionization) and by indirect effect (e.g. damage by.OH radicals created by the radiolysis of water). Despite years of research in this area, many questions on the formation of DNA damage remains. To refine existing DNA damage models, an approach based on the Binary-Encounter-Bethe (BEB) model was developed[1]. This model calculates differential cross sections for ionization of the molecular orbitals of the DNA bases, sugars and phosphates using the electron binding energy, the mean kinetic energy and the occupancy number of the orbital. This cross section has an analytic form which is quite convenient to use and allows the sampling of the energy loss occurring during an ionization event. To simulate the radiation track structure, the code RITRACKS developed at the NASA Johnson Space Center is used[2]. This code calculates all the energy deposition events and the formation of the radiolytic species by the ion and the secondary electrons as well. We have also developed a technique to use the integrated BEB cross section for the bases, sugar and phosphates in the radiation transport code RITRACKS. These techniques should allow the simulation of DNA damage by ionizing radiation, and understanding of the formation of double-strand breaks caused by clustered damage in different conditions.

  11. Cheboygan Vessel Base

    Data.gov (United States)

    Federal Laboratory Consortium — Cheboygan Vessel Base (CVB), located in Cheboygan, Michigan, is a field station of the USGS Great Lakes Science Center (GLSC). CVB was established by congressional...

  12. Hanscom Air Force Base

    Data.gov (United States)

    Federal Laboratory Consortium — MIT Lincoln Laboratory occupies 75 acres (20 acres of which are MIT property) on the eastern perimeter of Hanscom Air Force Base, which is at the nexus of Lexington,...

  13. Network-Based Effectiveness

    National Research Council Canada - National Science Library

    Friman, Henrik

    2006-01-01

    ... (extended from Leavitt, 1965). This text identifies aspects of network-based effectiveness that can benefit from a better understanding of leadership and management development of people, procedures, technology, and organizations...

  14. WormBase

    Data.gov (United States)

    U.S. Department of Health & Human Services — WormBase is an international consortium of biologists and computer scientists dedicated to providing the research community with accurate, current, accessible...

  15. Kelomehele preemia Baseli festivalil

    Index Scriptorium Estoniae

    2000-01-01

    Baselis festivalil "VIPER - International Festival for Film Video and New Media" tunnistati parimaks CD-ROMiks Gustav Deutschi/Anna Schimeki "Odysee today", netiprojektiks itaallaste "01.ORG", äramärkimispreemia - Raivo Kelomehe "Videoweaver"

  16. Risk based modelling

    International Nuclear Information System (INIS)

    Chapman, O.J.V.; Baker, A.E.

    1993-01-01

    Risk based analysis is a tool becoming available to both engineers and managers to aid decision making concerning plant matters such as In-Service Inspection (ISI). In order to develop a risk based method, some form of Structural Reliability Risk Assessment (SRRA) needs to be performed to provide a probability of failure ranking for all sites around the plant. A Probabilistic Risk Assessment (PRA) can then be carried out to combine these possible events with the capability of plant safety systems and procedures, to establish the consequences of failure for the sites. In this way the probability of failures are converted into a risk based ranking which can be used to assist the process of deciding which sites should be included in an ISI programme. This paper reviews the technique and typical results of a risk based ranking assessment carried out for nuclear power plant pipework. (author)

  17. Problem Based Learning

    DEFF Research Database (Denmark)

    de Graaff, Erik; Guerra, Aida

    , the key principles remain the same everywhere. Graaff & Kolmos (2003) identify the main PBL principles as follows: 1. Problem orientation 2. Project organization through teams or group work 3. Participant-directed 4. Experiental learning 5. Activity-based learning 6. Interdisciplinary learning and 7...... model and in general problem based and project based learning. We apply the principle of teach as you preach. The poster aims to outline the visitors’ workshop programme showing the results of some recent evaluations.......Problem-Based Learning (PBL) is an innovative method to organize the learning process in such a way that the students actively engage in finding answers by themselves. During the past 40 years PBL has evolved and diversified resulting in a multitude in variations in models and practices. However...

  18. Biomimetics: nature based innovation

    National Research Council Canada - National Science Library

    Bar-Cohen, Yoseph

    2012-01-01

    "Based on the concept that nature offers numerous sources of inspiration for inventions related to mechanisms, materials, processes, and algorithms, this book covers the topic of biomimetics and the inspired innovation...

  19. BaseMap

    Data.gov (United States)

    California Natural Resource Agency — The goal of this project is to provide a convenient base map that can be used as a starting point for CA projects. It's simple, but designed to work at a number of...

  20. PHENANTHROLINE TEMPLATED SCHIFF BASE

    African Journals Online (AJOL)

    DNA in intercalative mode and in the development of unique chemotherapeutics where they impact on the ... between base pairs of DNA. .... h, i, j, k belong to fragmentation products of impap. ..... Sm(III) complex and herring sperm DNA. Bull.

  1. Lunar resource base

    Science.gov (United States)

    Pulley, John; Wise, Todd K.; Roy, Claude; Richter, Phil

    A lunar base that exploits local resources to enhance the productivity of a total SEI scenario is discussed. The goals were to emphasize lunar science and to land men on Mars in 2016 using significant amounts of lunar resources. It was assumed that propulsion was chemical and the surface power was non-nuclear. Three phases of the base build-up are outlined, the robotic emplacement of the first elements is detailed and a discussion of future options is included.

  2. Participatory design based research

    DEFF Research Database (Denmark)

    Dau, Susanne; Bach Jensen, Louise; Falk, Lars

    This poster reveal how participatory design based research by the use of a CoED inspired creative process can be used for designing solutions to problems regarding students study activities outside campus.......This poster reveal how participatory design based research by the use of a CoED inspired creative process can be used for designing solutions to problems regarding students study activities outside campus....

  3. Maintaining Relationship Based Procurement

    OpenAIRE

    Davis, Peter

    2012-01-01

    Alliance and relationship projects are increasingin number and represent a large pool of work. Tobe successful relationship style contracts dependon soft-dollar factors, particularly the participants'ability to work together within an agreedframework, generally they are not based on lowbid tendering. Participants should be prepared todo business in an open environment based ontrust and mutually agreed governance. Theresearch evaluates relationship maintenance inthe implementation phase of con...

  4. Game-based telerehabilitation.

    Science.gov (United States)

    Lange, B; Flynn, Sheryl M; Rizzo, A A

    2009-03-01

    This article summarizes the recent accomplishments and current challenges facing game-based virtual reality (VR) telerehabilitation. Specifically this article addresses accomplishments relative to realistic practice scenarios, part to whole practice, objective measurement of performance and progress, motivation, low cost, interaction devices and game design. Furthermore, a description of the current challenges facing game based telerehabilitation including the packaging, internet capabilities and access, data management, technical support, privacy protection, seizures, distance trials, scientific scrutiny and support from insurance companies.

  5. REST based mobile applications

    Science.gov (United States)

    Rambow, Mark; Preuss, Thomas; Berdux, Jörg; Conrad, Marc

    2008-02-01

    Simplicity is the major advantage of REST based webservices. Whereas SOAP is widespread in complex, security sensitive business-to-business aplications, REST is widely used for mashups and end-user centric applicatons. In that context we give an overview of REST and compare it to SOAP. Furthermore we apply the GeoDrawing application as an example for REST based mobile applications and emphasize on pros and cons for the use of REST in mobile application scenarios.

  6. Swarm-based medicine.

    Science.gov (United States)

    Putora, Paul Martin; Oldenburg, Jan

    2013-09-19

    Occasionally, medical decisions have to be taken in the absence of evidence-based guidelines. Other sources can be drawn upon to fill in the gaps, including experience and intuition. Authorities or experts, with their knowledge and experience, may provide further input--known as "eminence-based medicine". Due to the Internet and digital media, interactions among physicians now take place at a higher rate than ever before. With the rising number of interconnected individuals and their communication capabilities, the medical community is obtaining the properties of a swarm. The way individual physicians act depends on other physicians; medical societies act based on their members. Swarm behavior might facilitate the generation and distribution of knowledge as an unconscious process. As such, "swarm-based medicine" may add a further source of information to the classical approaches of evidence- and eminence-based medicine. How to integrate swarm-based medicine into practice is left to the individual physician, but even this decision will be influenced by the swarm.

  7. Evidence-Based Toxicology.

    Science.gov (United States)

    Hoffmann, Sebastian; Hartung, Thomas; Stephens, Martin

    Evidence-based toxicology (EBT) was introduced independently by two groups in 2005, in the context of toxicological risk assessment and causation as well as based on parallels between the evaluation of test methods in toxicology and evidence-based assessment of diagnostics tests in medicine. The role model of evidence-based medicine (EBM) motivated both proposals and guided the evolution of EBT, whereas especially systematic reviews and evidence quality assessment attract considerable attention in toxicology.Regarding test assessment, in the search of solutions for various problems related to validation, such as the imperfectness of the reference standard or the challenge to comprehensively evaluate tests, the field of Diagnostic Test Assessment (DTA) was identified as a potential resource. DTA being an EBM discipline, test method assessment/validation therefore became one of the main drivers spurring the development of EBT.In the context of pathway-based toxicology, EBT approaches, given their objectivity, transparency and consistency, have been proposed to be used for carrying out a (retrospective) mechanistic validation.In summary, implementation of more evidence-based approaches may provide the tools necessary to adapt the assessment/validation of toxicological test methods and testing strategies to face the challenges of toxicology in the twenty first century.

  8. LDEF materials data bases

    Science.gov (United States)

    Funk, Joan G.; Strickland, John W.; Davis, John M.

    1993-01-01

    The Long Duration Exposure Facility (LDEF) and the accompanying experiments were composed of and contained a wide variety of materials representing the largest collection of materials flown in low Earth orbit (LEO) and retrieved for ground based analysis to date. The results and implications of the mechanical, thermal, optical, and electrical data from these materials are the foundation on which future LEO space missions will be built. The LDEF Materials Special Investigation Group (MSIG) has been charged with establishing and developing data bases to document these materials and their performance to assure not only that the data are archived for future generations but also that the data are available to the spacecraft user community in an easily accessed, user-friendly form. This paper discusses the format and content of the three data bases developed or being developed to accomplish this task. The hardware and software requirements for each of these three data bases are discussed along with current availability of the data bases. This paper also serves as a user's guide to the MAPTIS LDEF Materials Data Base.

  9. Paper based electronics platform

    KAUST Repository

    Nassar, Joanna Mohammad

    2017-07-20

    A flexible and non-functionalized low cost paper-based electronic system platform fabricated from common paper, such as paper based sensors, and methods of producing paper based sensors, and methods of sensing using the paper based sensors are provided. A method of producing a paper based sensor can include the steps of: a) providing a conventional paper product to serve as a substrate for the sensor or as an active material for the sensor or both, the paper product not further treated or functionalized; and b) applying a sensing element to the paper substrate, the sensing element selected from the group consisting of a conductive material, the conductive material providing contacts and interconnects, sensitive material film that exhibits sensitivity to pH levels, a compressible and/or porous material disposed between a pair of opposed conductive elements, or a combination of two of more said sensing elements. The method of sensing can further include measuring, using the sensing element, a change in resistance, a change in voltage, a change in current, a change in capacitance, or a combination of any two or more thereof.

  10. Spectrofluorometric determination of intracellular levels of reactive oxygen species in drug-sensitive and drug-resistant cancer cells using the 2',7'-dichlorofluorescein diacetate assay

    Energy Technology Data Exchange (ETDEWEB)

    Loetchutinat, Chatchanok [Laboratory of Physical Chemistry, Molecular and Cellular Biology, Faculty of Science, Burapha University, Bangsaen, Chonburi 20131 (Thailand); Kothan, Suchart [Laboratory of Physical Chemistry, Molecular and Cellular Biology, Faculty of Science, Burapha University, Bangsaen, Chonburi 20131 (Thailand); Dechsupa, Samarn [Laboratory of Physical Chemistry, Molecular and Cellular Biology, Faculty of Science, Burapha University, Bangsaen, Chonburi 20131 (Thailand); Meesungnoen, Jintana [Laboratory of Physical Chemistry, Molecular and Cellular Biology, Faculty of Science, Burapha University, Bangsaen, Chonburi 20131 (Thailand); Departement de medecine nucleaire et de radiobiologie, Faculte de medecine, Groupe en sciences des radiations, Universite de Sherbrooke, Sherbrooke, Quebec, J1H 5N4 (Canada); Jay-Gerin, Jean-Paul [Departement de medecine nucleaire et de radiobiologie, Faculte de medecine, Groupe en sciences des radiations, Universite de Sherbrooke, Sherbrooke, Quebec, J1H 5N4 (Canada); Mankhetkorn, Samlee [Laboratory of Physical Chemistry, Molecular and Cellular Biology, Faculty of Science, Burapha University, Bangsaen, Chonburi 20131 (Thailand)]. E-mail: samlee@bucc4.buu.ac.th

    2005-02-01

    This article examines a non-invasive spectrofluorometric method using the 2',7'-dichlorofluorescein diacetate (DCHF-DA) assay for quantifying the intracellular reactive oxygen species (ROS{sub i}) produced in four cultured cancer cell lines: drug-sensitive (K562) and drug-resistant (K562/adr) human erythromyelogenous leukemia cell lines, and drug-sensitive (GLC4) and drug-resistant (GLC4/adr) human small cell lung carcinoma cell lines. The oxidation of the probe to the fluorescent dichlorofluorescein (DCF) was continuously monitored by following the DCF fluorescence intensity as a function of time using a standard spectrofluorometer in the presence of an extracellular DCF fluorescence quencher (Co{sup 2+}). By fitting the spectrofluorometric data to a kinetic model based on the following two reactions: (i) deacetylation of DCHF-DA to the oxidant-sensitive compound 2',7'-dichlorofluorescein (DCHF) by cellular esterase enzymes (pseudo-first-order rate constant: k{sub e}) and (ii) oxidation of DCHF by ROS{sub i} (second-order rate constant: k{sub 2}), the parameters intervening in DCF formation, k{sub e} and the product of k{sub 2} by the ROS{sub i} concentration, were quantitatively determined for the different cell lines studied. The results revealed that the intracellular esterase content or activity is similar in K562, K562/adr, and GLC4 cells, but 5-fold higher in GLC4/adr cells. The product k{sub 2}[ROS{sub i}] was found to be similar in the four cell lines considered, with a mean value of (5.3+/-0.9)x10{sup -7}cell{sup -1}s{sup -1}. Assuming that H{sub 2}O{sub 2} (in combination with peroxidases) is the primary responsible species for DCHF oxidation in intact cells, and using the rate constant value k2=790+/-62M-1s-1 established in our laboratory for the reaction of DCHF with H{sub 2}O{sub 2} in the presence of horseradish peroxidase, the mean value of the intracellular levels of ROS{sub i} in those cells was estimated to be 0.67+/-0.16n

  11. Gossip-Based Dissemination

    Science.gov (United States)

    Friedman, Roy; Kermarrec, Anne-Marie; Miranda, Hugo; Rodrigues, Luís

    Gossip-based networking has emerged as a viable approach to disseminate information reliably and efficiently in large-scale systems. Initially introduced for database replication [222], the applicability of the approach extends much further now. For example, it has been applied for data aggregation [415], peer sampling [416] and publish/subscribe systems [845]. Gossip-based protocols rely on a periodic peer-wise exchange of information in wired systems. By changing the way each peer is selected for the gossip communication, and which data are exchanged and processed [451], gossip systems can be used to perform different distributed tasks, such as, among others: overlay maintenance, distributed computation, and information dissemination (a collection of papers on gossip can be found in [451]). In a wired setting, the peer sampling service, allowing for a random or specific peer selection, is often provided as an independent service, able to operate independently from other gossip-based services [416].

  12. Underground gas storage Uelsen: Findings from planning, building and commissioning. Part 1: Deposit; Untertagegasspeicher Uelsen: Erkenntnisse aus Planung, Bau und Inbetriebnahme. Teil 1: Lagerstaette

    Energy Technology Data Exchange (ETDEWEB)

    Wallbrecht, J.; Beckmann, H.; Reiser, H.; Wilhelm, R. [BEB Erdgas und Erdoel GmbH, Hannover (Germany)

    1998-12-31

    The underground gas storage at Uelsen which was built as a H-gas storage in a former variegated sandstone gasfield in Western Lower Saxony close to the town of Nordhorn has added to the gas supply system of the BEB Erdgas and Erdoel GmbH. The underground storage is connected to the Bunde-Rheine transport pipeline BEB-grid gas system by a 27 km pipeline and is a consequent expansion of BEB`s underground storage/transport system. Planning, building and commissioning were handled by BEB. Findings to date are described. [Deutsch] Der Untertagegasspeicher (UGS) Uelsen, der in einem ehemaligen Buntsandstein Gasfeld im westlichen Niedersachsen in der Naehe der Stadt Nordhorn als H-Gasspeicher eingerichtet wurde, hat die BEB Erdgas und Erdoel GmbH eine weitere Staerkung ihres Gasversorgungssystems erreicht. Der UGS Uelsen ist ueber eine 27 km lange Anbindungsleitung mit der zum BEB - Ferngasleitungssystems gehoerenden Bunde-Rheine Transportleitung verbunden und stellt eine konsequente Erweiterung des BEB Untertagegasspeicher-/Transportsystems dar. Planung, Bau und Inbetriebnahme erfolgten durch BEB im Rahmen einer integrierten bereichsuebergreifenden Projektbearbeitung. Die hierbei gewonnenen Erkenntnisse werden im Folgenden fuer den Untertagebereich dargestellt. (orig.)

  13. Iron-based superconductivity

    CERN Document Server

    Johnson, Peter D; Yin, Wei-Guo

    2015-01-01

    This volume presents an in-depth review of experimental and theoretical studies on the newly discovered Fe-based superconductors.  Following the Introduction, which places iron-based superconductors in the context of other unconventional superconductors, the book is divided into three sections covering sample growth, experimental characterization, and theoretical understanding.  To understand the complex structure-property relationships of these materials, results from a wide range of experimental techniques and theoretical approaches are described that probe the electronic and magnetic proper

  14. Evidence-Based Development

    DEFF Research Database (Denmark)

    Hertzum, Morten; Simonsen, Jesper

    2004-01-01

    Systems development is replete with projects that represent substantial resource investments but result in systems that fail to meet users’ needs. Evidence-based development is an emerging idea intended to provide means for managing customer-vendor relationships and working systematically toward...... meeting customer needs. We are suggesting that the effects of the use of a system should play a prominent role in the contractual definition of IT projects and that contract fulfilment should be determined on the basis of evidence of these effects. Based on two ongoing studies of home-care management...

  15. Video-based rendering

    CERN Document Server

    Magnor, Marcus A

    2005-01-01

    Driven by consumer-market applications that enjoy steadily increasing economic importance, graphics hardware and rendering algorithms are a central focus of computer graphics research. Video-based rendering is an approach that aims to overcome the current bottleneck in the time-consuming modeling process and has applications in areas such as computer games, special effects, and interactive TV. This book offers an in-depth introduction to video-based rendering, a rapidly developing new interdisciplinary topic employing techniques from computer graphics, computer vision, and telecommunication en

  16. Process-based costing.

    Science.gov (United States)

    Lee, Robert H; Bott, Marjorie J; Forbes, Sarah; Redford, Linda; Swagerty, Daniel L; Taunton, Roma Lee

    2003-01-01

    Understanding how quality improvement affects costs is important. Unfortunately, low-cost, reliable ways of measuring direct costs are scarce. This article builds on the principles of process improvement to develop a costing strategy that meets both criteria. Process-based costing has 4 steps: developing a flowchart, estimating resource use, valuing resources, and calculating direct costs. To illustrate the technique, this article uses it to cost the care planning process in 3 long-term care facilities. We conclude that process-based costing is easy to implement; generates reliable, valid data; and allows nursing managers to assess the costs of new or modified processes.

  17. Inkjet-based micromanufacturing

    CERN Document Server

    Korvink, Jan G; Shin, Dong-Youn; Brand, Oliver; Fedder, Gary K; Hierold, Christofer; Tabata, Osamu

    2012-01-01

    Inkjet-based Micromanufacturing Inkjet technology goes way beyond putting ink on paper: it enables simpler, faster and more reliable manufacturing processes in the fields of micro- and nanotechnology. Modern inkjet heads are per se precision instruments that deposit droplets of fluids on a variety of surfaces in programmable, repeating patterns, allowing, after suitable modifications and adaptations, the manufacturing of devices such as thin-film transistors, polymer-based displays and photovoltaic elements. Moreover, inkjet technology facilitates the large-scale production of flexible RFID tr

  18. On multivariate Wilson bases

    DEFF Research Database (Denmark)

    Bownik, Marcin; Jakobsen, Mads Sielemann; Lemvig, Jakob

    2017-01-01

    A Wilson system is a collection of finite linear combinations of time frequency shifts of a square integrable function. In this paper we give an account of the construction of bimodular Wilson bases in higher dimensions from Gabor frames of redundancy two.......A Wilson system is a collection of finite linear combinations of time frequency shifts of a square integrable function. In this paper we give an account of the construction of bimodular Wilson bases in higher dimensions from Gabor frames of redundancy two....

  19. Supramolecular fluorene based materials

    NARCIS (Netherlands)

    Abbel, R.J.

    2008-01-01

    This thesis describes the use of noncovalent interactions in order to manipulate and control the self-assembly and morphology of electroactive fluorene-based materials. The supramolecular arrangement of p-conjugated polymers and oligomers can strongly influence their electronic and photophysical

  20. EPICS based DAQ system

    International Nuclear Information System (INIS)

    Cheng Weixing; Chen Yongzhong; Zhou Weimin; Ye Kairong; Liu Dekang

    2002-01-01

    EPICS is the most popular developing platform to build control system and beam diagnostic system in modern physics experiment facilities. An EPICS based data acquisition system was built in Redhat 6.2 operation system. The system is successfully used in the beam position monitor mapping, it improves the mapping process a lot

  1. Scenario-based strategizing

    DEFF Research Database (Denmark)

    Lehr, Thomas; Lorenz, Ullrich; Willert, Markus

    2017-01-01

    -based efficacy and robustness. To facilitate the colla- borative strategizing in teams, we propose a matrix with robustness and efficacy as the two axes, which we call the Parmenides Matrix. We assess the impact of the novel approach by applying it in two cases, at a govern- mental agency (German Environmental...

  2. Dictionary Based Image Segmentation

    DEFF Research Database (Denmark)

    Dahl, Anders Bjorholm; Dahl, Vedrana Andersen

    2015-01-01

    We propose a method for weakly supervised segmentation of natural images, which may contain both textured or non-textured regions. Our texture representation is based on a dictionary of image patches. To divide an image into separated regions with similar texture we use an implicit level sets...

  3. Web Based VRML Modelling

    NARCIS (Netherlands)

    Kiss, S.; Sarfraz, M.

    2004-01-01

    Presents a method to connect VRML (Virtual Reality Modeling Language) and Java components in a Web page using EAI (External Authoring Interface), which makes it possible to interactively generate and edit VRML meshes. The meshes used are based on regular grids, to provide an interaction and modeling

  4. Surfel Based Geometry Resonstruction

    DEFF Research Database (Denmark)

    Andersen, Vedrana; Aanæs, Henrik; Bærentzen, Jakob Andreas

    2010-01-01

    We propose a method for retrieving a piecewise smooth surface from noisy data. In data acquired by a scanning process sampled points are almost never on the discontinuities making reconstruction of surfaces with sharp features difficult. Our method is based on a Markov Random Field (MRF) formulat...

  5. Diffusion Based Photon Mapping

    DEFF Research Database (Denmark)

    Schjøth, Lars; Sporring, Jon; Fogh Olsen, Ole

    2008-01-01

    . To address this problem, we introduce a photon mapping algorithm based on nonlinear anisotropic diffusion. Our algorithm adapts according to the structure of the photon map such that smoothing occurs along edges and structures and not across. In this way, we preserve important illumination features, while...

  6. Evidence-based policy

    DEFF Research Database (Denmark)

    Vohnsen, Nina Holm

    2013-01-01

    -makers and the research community (e.g. Boden & Epstein 2006; House of Commons 2006; Cartwright et al 2009; Rod 2010; Vohnsen 2011). This article intends to draw out some general pitfalls in the curious meeting of science and politics by focusing on a particular attempt to make evidence-based legislation in Denmark (for...

  7. Project-Based Science

    Science.gov (United States)

    Krajcik, Joe

    2015-01-01

    Project-based science is an exciting way to teach science that aligns with the "Next Generation Science Standards" ("NGSS"). By focusing on core ideas along with practices and crosscutting concepts, classrooms become learning environments where teachers and students engage in science by designing and carrying out…

  8. Financing Competency Based Programs.

    Science.gov (United States)

    Daniel, Annette

    Literature on the background, causes, and current prevalence of competency based programs is synthesized in this report. According to one analysis of the actual and probable costs of minimum competency testing, estimated costs for test development, test administration, bureaucratic structures, and remedial programs for students who cannot pass the…

  9. Computer Based Expert Systems.

    Science.gov (United States)

    Parry, James D.; Ferrara, Joseph M.

    1985-01-01

    Claims knowledge-based expert computer systems can meet needs of rural schools for affordable expert advice and support and will play an important role in the future of rural education. Describes potential applications in prediction, interpretation, diagnosis, remediation, planning, monitoring, and instruction. (NEC)

  10. Community-Based Care

    Science.gov (United States)

    ... our e-newsletter! Aging & Health A to Z Community-Based Care Basic Facts & Information A variety of healthcare options ... day care centers are either in churches or community centers. Adult day care is commonly used to care for people who ...

  11. Polymer based tunneling sensor

    Science.gov (United States)

    Cui, Tianhong (Inventor); Wang, Jing (Inventor); Zhao, Yongjun (Inventor)

    2006-01-01

    A process for fabricating a polymer based circuit by the following steps. A mold of a design is formed through a lithography process. The design is transferred to a polymer substrate through a hot embossing process. A metal layer is then deposited over at least part of said design and at least one electrical lead is connected to said metal layer.

  12. Evidence-based guidelines

    DEFF Research Database (Denmark)

    Rovira, Àlex; Wattjes, Mike P; Tintoré, Mar

    2015-01-01

    diagnosis in patients with MS. The aim of this article is to provide guidelines for the implementation of MRI of the brain and spinal cord in the diagnosis of patients who are suspected of having MS. These guidelines are based on an extensive review of the recent literature, as well as on the personal...

  13. School Based Health Centers

    Science.gov (United States)

    Children's Aid Society, 2012

    2012-01-01

    School Based Health Centers (SBHC) are considered by experts as one of the most effective and efficient ways to provide preventive health care to children. Few programs are as successful in delivering health care to children at no cost to the patient, and where they are: in school. For many underserved children, The Children's Aid Society's…

  14. Internet based benchmarking

    DEFF Research Database (Denmark)

    Bogetoft, Peter; Nielsen, Kurt

    2005-01-01

    We discuss the design of interactive, internet based benchmarking using parametric (statistical) as well as nonparametric (DEA) models. The user receives benchmarks and improvement potentials. The user is also given the possibility to search different efficiency frontiers and hereby to explore...

  15. Problem-based learning

    NARCIS (Netherlands)

    Loyens, Sofie; Kirschner, Paul A.; Paas, Fred

    2010-01-01

    Loyens, S. M. M., Kirschner, P. A., & Paas, F. (2011). Problem-based learning. In S. Graham (Editor-in-Chief), A. Bus, S. Major, & L. Swanson (Associate Editors), APA educational psychology handbook: Vol. 3. Application to learning and teaching (pp. 403-425). Washington, DC: American Psychological

  16. Base tree property

    Czech Academy of Sciences Publication Activity Database

    Balcar, B.; Doucha, Michal; Hrušák, M.

    2015-01-01

    Roč. 32, č. 1 (2015), s. 69-81 ISSN 0167-8094 R&D Projects: GA AV ČR IAA100190902 Institutional support: RVO:67985840 Keywords : forcing * Boolean algebras * base tree Subject RIV: BA - General Mathematics Impact factor: 0.614, year: 2015 http://link.springer.com/article/10.1007/s11083-013-9316-2

  17. unsymmetrical Schiff base complexes

    Indian Academy of Sciences (India)

    the effect of the substitutional groups of the Schiff base on the oxidation and reduction potentials, we used ... Electrochemistry of these complexes showed that the presence of electron .... a solution of the ligand (1 mmol) in methanol (15 mL).

  18. Home-based care

    African Journals Online (AJOL)

    Mrs. Patience Edoho Samson-Akpan

    study was to ascertain the relationship between home-based care and quality of life of PLWHA in support groups in. Calabar South Local Government Area. A correlational design was utilized and a purposive sample of 74 PLWHA participated in the study. A self developed and well validated questionnaire was used for data ...

  19. Mutually unbiased bases

    Indian Academy of Sciences (India)

    Mutually unbiased bases play an important role in quantum cryptography [2] and in the optimal determination of the density operator of an ensemble [3,4]. A density operator ρ in N-dimensions depends on N2 1 real quantities. With the help of MUB's, any such density operator can be encoded, in an optimal way, in terms of ...

  20. Scenario-based strategizing

    DEFF Research Database (Denmark)

    Lehr, Thomas; Lorenz, Ullrich; Willert, Markus

    2017-01-01

    For over 40 years, scenarios have been promoted as a key technique for forming strategies in uncertain en- vironments. However, many challenges remain. In this article, we discuss a novel approach designed to increase the applicability of scenario-based strategizing in top management teams. Drawi...... Ministry) and a firm affected by disruptive change (Bosch, leading global supplier of technology and solutions)....

  1. 80537 based distance relay

    DEFF Research Database (Denmark)

    Pedersen, Knud Ole Helgesen

    1999-01-01

    A method for implementing a digital distance relay in the power system is described.Instructions are given on how to program this relay on a 80537 based microcomputer system.The problem is used as a practical case study in the course 53113: Micocomputer applications in the power system.The relay...

  2. Mojave Base Station Implementation

    Science.gov (United States)

    Koscielski, C. G.

    1984-01-01

    A 12.2 meter diameter X-Y mount antenna was reconditioned for use by the crustal dynamic project as a fixed base station. System capabilities and characteristics and key performance parameters for subsystems are presented. The implementation is completed.

  3. Model-based consensus

    NARCIS (Netherlands)

    Boumans, M.; Martini, C.; Boumans, M.

    2014-01-01

    The aim of the rational-consensus method is to produce "rational consensus", that is, "mathematical aggregation", by weighing the performance of each expert on the basis of his or her knowledge and ability to judge relevant uncertainties. The measurement of the performance of the experts is based on

  4. Model-based consensus

    NARCIS (Netherlands)

    Boumans, Marcel

    2014-01-01

    The aim of the rational-consensus method is to produce “rational consensus”, that is, “mathematical aggregation”, by weighing the performance of each expert on the basis of his or her knowledge and ability to judge relevant uncertainties. The measurement of the performance of the experts is based on

  5. Animation-based Sketching

    DEFF Research Database (Denmark)

    Vistisen, Peter

    This thesis is based on the results of a three-year long PhD-study at the Department of Communication and Psychology at Aalborg University. The thesis consist of five original papers, a book manuscript, as well as a linking text with the thesis’ research questions, research design, and summary...

  6. Refractive index based measurements

    DEFF Research Database (Denmark)

    2014-01-01

    In a method for performing a refractive index based measurement of a property of a fluid such as chemical composition or temperature, a chirp in the local spatial frequency of interference fringes of an interference pattern is reduced by mathematical manipulation of the recorded light intensity...

  7. Performance based fault diagnosis

    DEFF Research Database (Denmark)

    Niemann, Hans Henrik

    2002-01-01

    Different aspects of fault detection and fault isolation in closed-loop systems are considered. It is shown that using the standard setup known from feedback control, it is possible to formulate fault diagnosis problems based on a performance index in this general standard setup. It is also shown...

  8. Schiff base ligand

    Indian Academy of Sciences (India)

    Unknown

    Low-temperature stoichiometric Schiff base reaction in air in 3 : 1 mole ratio between benz- aldehyde and triethylenetetramine (trien) in methanol yields a novel tetraaza µ-bis(bidentate) acyclic ligand L. It was .... electrochemical work was performed as reported in ..... change in ligand shape through change in oxidation.

  9. ISFET based enzyme sensors

    NARCIS (Netherlands)

    van der Schoot, Bart H.; Bergveld, Piet

    1987-01-01

    This paper reviews the results that have been reported on ISFET based enzyme sensors. The most important improvement that results from the application of ISFETs instead of glass membrane electrodes is in the method of fabrication. Problems with regard to the pH dependence of the response and the

  10. Microcontroller base process emulator

    OpenAIRE

    Jovrea Titus Claudiu

    2009-01-01

    This paper describes the design of a microcontroller base emulator for a conventional industrial process. The emulator is made with microcontroller and is used for testing and evaluating the performances of the industrial regulators. The parameters of the emulated process are fully customizable online and downloadable thru a serial communication from a personal computer.

  11. REST based service composition

    DEFF Research Database (Denmark)

    Grönvall, Erik; Ingstrup, Mads; Pløger, Morten

    2011-01-01

    This paper presents an ongoing work developing and testing a Service Composition framework based upon the REST architecture named SECREST. A minimalistic approach have been favored instead of a creating a complete infrastructure. One focus has been on the system's interaction model. Indeed, an aim...

  12. Removal of diclofenac from surface water by electron beam irradiation combined with a biological aerated filter

    Science.gov (United States)

    He, Shijun; Wang, Jianlong; Ye, Longfei; Zhang, Youxue; Yu, Jiang

    2014-12-01

    The degradation of DCF was investigated in aqueous solution by using electron beam (EB) technology. When the initial concentration was between 10 and 40 mg/L, almost 100% of the DCF was degraded at a dose of 0.5 kGy. However, only about 6.5% of DCF was mineralized even at 2 kGy according to total organic carbon (TOC) measurements. A combined process of EB and biological aerated filter (BAF) was therefore developed to enhance the treatment of DCF contaminated surface water. The effluent quality of combined process was substantially improved by EB pretreatment due to the degradation of DCF and related intermediates. Both irradiation and biological treatment reduced the toxicity of the treated water. The experimental results showed that EB is effective for removing DCF from artificial aqueous solution and real surface water.

  13. Convolution based profile fitting

    International Nuclear Information System (INIS)

    Kern, A.; Coelho, A.A.; Cheary, R.W.

    2002-01-01

    Full text: In convolution based profile fitting, profiles are generated by convoluting functions together to form the observed profile shape. For a convolution of 'n' functions this process can be written as, Y(2θ)=F 1 (2θ)x F 2 (2θ)x... x F i (2θ)x....xF n (2θ). In powder diffractometry the functions F i (2θ) can be interpreted as the aberration functions of the diffractometer, but in general any combination of appropriate functions for F i (2θ) may be used in this context. Most direct convolution fitting methods are restricted to combinations of F i (2θ) that can be convoluted analytically (e.g. GSAS) such as Lorentzians, Gaussians, the hat (impulse) function and the exponential function. However, software such as TOPAS is now available that can accurately convolute and refine a wide variety of profile shapes numerically, including user defined profiles, without the need to convolute analytically. Some of the most important advantages of modern convolution based profile fitting are: 1) virtually any peak shape and angle dependence can normally be described using minimal profile parameters in laboratory and synchrotron X-ray data as well as in CW and TOF neutron data. This is possible because numerical convolution and numerical differentiation is used within the refinement procedure so that a wide range of functions can easily be incorporated into the convolution equation; 2) it can use physically based diffractometer models by convoluting the instrument aberration functions. This can be done for most laboratory based X-ray powder diffractometer configurations including conventional divergent beam instruments, parallel beam instruments, and diffractometers used for asymmetric diffraction. It can also accommodate various optical elements (e.g. multilayers and monochromators) and detector systems (e.g. point and position sensitive detectors) and has already been applied to neutron powder diffraction systems (e.g. ANSTO) as well as synchrotron based

  14. Integrated Case Based and Rule Based Reasoning for Decision Support

    OpenAIRE

    Eshete, Azeb Bekele

    2009-01-01

    This project is a continuation of my specialization project which was focused on studying theoretical concepts related to case based reasoning method, rule based reasoning method and integration of them. The integration of rule-based and case-based reasoning methods has shown a substantial improvement with regards to performance over the individual methods. Verdande Technology As wants to try integrating the rule based reasoning method with an existing case based system. This project focu...

  15. An ultra-wideband tunable multi-wavelength Brillouin fibre laser based on a semiconductor optical amplifier and dispersion compensating fibre in a linear cavity configuration

    International Nuclear Information System (INIS)

    Zulkifli, M Z; Ahmad, H; Hassan, N A; Jemangin, M H; Harun, S W

    2011-01-01

    A multi-wavelength Brillouin fibre laser (MBFL) with an ultra-wideband tuning range from 1420 nm to 1620 nm is demonstrated. The MBFL uses an ultra-wideband semiconductor optical amplifier (SOA) and a dispersion compensating fibre (DCF) as the linear gain medium and nonlinear gain medium, respectively. The proposed MBFL has a wide tuning range covering the short (S-), conventional (C-) and long (L-) bands with a wavelength spacing of 0.08 nm, making it highly suitable for DWDM system applications. The output power of the observed Brillouin Stokes ranges approximately from -5.94 dBm to -0.41 dBm for the S-band, from -4.34 dBm to 0.02 dBm for the C-band and from -2.19 dBm to 0.39 dBm for the L-band. The spacing between each adjacent wavelengths of all the three bands is about 0.08 nm, which is approximately 10.7 GHz for the frequency domain. (lasers)

  16. Rehabilitation of the natural gas field Thoense with wet transport of natural gas; Sanierung des Erdgasfeldes Thoense unter Anwendung des Erdgasnasstransports

    Energy Technology Data Exchange (ETDEWEB)

    Neumann, W.; Gerhartz, B.; Schmitt, D.; Uphoff, T. [BEB Erdgas und Erdoel GmbH, Hannover (Germany)

    1998-12-31

    Natural gas has been extracted the gas field of Thoense situated at the Northern fringe of the city of Hannover for over forty years. At all 10 bore sites the gas was dried with glycol dryers. While dealing with the problem of hydrocarbon emissions from the dryers it became evident, that some of the very old plants had to be rehabilitated. BEB operates the Thoense field on behalf of Elwerath/Brigitta/Deutz. An integrated concept, based on wet transport of natural gas, was used to remove the emission of hydrocarbons and rehabilitate the surface plants in order to cut operating costs. The field at Thoense is now economically efficient enough to continue operations for a long time. [Deutsch] Aus dem am nordoestlichen Stadtrand Hannovers liegenden Gasfeld Thoense wird seit ueber vierzig Jahren Erdgas gefoerdert. Die Gastrocknung erfolgte dort in ueblicher Weise mit Glykoltrocknungsanlagen an allen zehn Bohrungen. Bei der Bearbeitung des damit verbundenen Problems der Kohlenwasserstoffemissionen aus den Trocknungsanlagen wurde der Sanierungsbedarf an den z.T. sehr alten Anlagen deutlich. Das Feld Thoense wird von BEB fuer das Konsortium Elwerath/Brigitta/Deutz betrieben. Es wird gezeigt, wie mit einem integrierten Konzept auf der Basis des Erdgasnasstransportes die KW-Emissionen beseitigt wurden und gleichzeitig eine betriebskostensenkende Sanierung der obertaegigen Anlagen durchgefuehrt werden konnte. Damit wurde die wirtschaftliche Voraussetzung geschaffen, die Gasversorgung aus Thoense noch lange aufrecht erhalten zu koennen. (orig.)

  17. CONCEPTOS MODERNOS SOBRE PSIQUIATRÍA, PSICOANÁLISIS Y SALUD MENTAL

    Directory of Open Access Journals (Sweden)

    Guillermo Sánchez Medina

    2015-02-01

    Full Text Available El objetivo de este artículo es hacer una sucinta síntesis del estado conceptual de la psiquiatría y el psicoanálisis y la salud mental en el Siglo XXI. Actualmente se continúan las investigaciones neuropsíquicas valiéndose de conocimientos físico-químico-cuánticos que operan en forma compleja en los sistemas de red neuronales con los bits cuánticos. Los modelos psicoanalíticos siguen vigentes y algunos son factibles de ser explicados por medio de la física ondulatoria, no sin descartar los procesos de transferencia contratransferencia y las primeras relaciones vinculares madre-bebé que son las bases para la salud mental. Palabras clave: Investigaciones neuropsíquicas, red neuronal, modelos psicoanalíticos, sistemas psíquicos, procesos psíquicos, posiciones psíquicas, nanorobótica, transferencia- contratransferencia, relaciones madre bebé, programas mentales.

  18. Maternidade e HIV: revisão da literatura brasileira (2000–2014

    Directory of Open Access Journals (Sweden)

    Daniela Centenaro Levandowski

    2017-01-01

    Full Text Available La vivencia de la maternidad requiere una reorganización psíquica y social que, sumada a la presencia del VIH, puede resultar en una sobrecarga emocional. Este estudio objetiva retratar la vivencia de la maternidad en la vigencia del VIH, con base en una revisión de estudios empíricos brasileños publicados entre 2000 y 2014. En el análisis de nueve estudios fueron identificadas vivencias típicas de la transición hacia la maternidad, como preocupaciones con la salud del bebé y satisfacción con el papel materno, además de vivencias específicas impuestas por el VIH, particularmente frustración por no amamantar y ansiedad frente al diag- nóstico y al tratamiento antirretroviral del bebé. Investigaciones futuras deben considerar diferentes perfiles de madres que viven con el VIH (por ejemplo, de diferentes edades, niveles socioeconómicos, estructuras familiares y paridad, así como sobre la relación de pareja y el ejercicio de la paternidad, temas todavía poco explorados en la literatura. También estudios con diseño longitudinal son necesa- rios para ampliar la comprensión de la vivencia de la maternidad en la presencia de esa condición de salud.

  19. Rock properties data base

    Energy Technology Data Exchange (ETDEWEB)

    Jackson, R.; Gorski, B.; Gyenge, M.

    1991-03-01

    As mining companies proceed deeper and into areas whose stability is threatened by high and complex stress fields, the science of rock mechanics becomes invaluable in designing underground mine strata control programs. CANMET's Mining Research Laboratories division has compiled a summary of pre- and post-failure mechanical properties of rock types which were tested to provide design data. The 'Rock Properties Data Base' presents the results of these tests, and includes many rock types typical of Canadian mine environments. The data base also contains 'm' and 's' values determined using Hoek and Brown's failure criteria for both pre- and post-failure conditions. 7 refs., 3 tabs., 9 figs., 1 append.

  20. Sparse approximation with bases

    CERN Document Server

    2015-01-01

    This book systematically presents recent fundamental results on greedy approximation with respect to bases. Motivated by numerous applications, the last decade has seen great successes in studying nonlinear sparse approximation. Recent findings have established that greedy-type algorithms are suitable methods of nonlinear approximation in both sparse approximation with respect to bases and sparse approximation with respect to redundant systems. These insights, combined with some previous fundamental results, form the basis for constructing the theory of greedy approximation. Taking into account the theoretical and practical demand for this kind of theory, the book systematically elaborates a theoretical framework for greedy approximation and its applications.  The book addresses the needs of researchers working in numerical mathematics, harmonic analysis, and functional analysis. It quickly takes the reader from classical results to the latest frontier, but is written at the level of a graduate course and do...

  1. Problem Based Game Design

    DEFF Research Database (Denmark)

    Reng, Lars; Schoenau-Fog, Henrik

    2011-01-01

    At Aalborg University’s department of Medialogy, we are utilizing the Problem Based Learning method to encourage students to solve game design problems by pushing the boundaries and designing innovative games. This paper is concerned with describing this method, how students employ it in various ...... projects and how they learn to analyse, design, and develop for innovation by using it. We will present various cases to exemplify the approach and focus on how the method engages students and aspires for innovation in digital entertainment and games.......At Aalborg University’s department of Medialogy, we are utilizing the Problem Based Learning method to encourage students to solve game design problems by pushing the boundaries and designing innovative games. This paper is concerned with describing this method, how students employ it in various...

  2. Technology based Education System

    DEFF Research Database (Denmark)

    Kant Hiran, Kamal; Doshi, Ruchi; Henten, Anders

    2016-01-01

    Abstract - Education plays a very important role for the development of the country. Education has multiple dimensions from schooling to higher education and research. In all these domains, there is invariably a need for technology based teaching and learning tools are highly demanded in the acad......Abstract - Education plays a very important role for the development of the country. Education has multiple dimensions from schooling to higher education and research. In all these domains, there is invariably a need for technology based teaching and learning tools are highly demanded...... in the academic institutions. Thus, there is a need of comprehensive technology support system to cater the demands of all educational actors. Cloud Computing is one such comprehensive and user-friendly technology support environment that is the need of an hour. Cloud computing is the emerging technology that has...

  3. Knowledge based maintenance

    Energy Technology Data Exchange (ETDEWEB)

    Sturm, A [Hamburgische Electacitaets-Werke AG Hamburg (Germany)

    1998-12-31

    The establishment of maintenance strategies is of crucial significance for the reliability of a plant and the economic efficiency of maintenance measures. Knowledge about the condition of components and plants from the technical and business management point of view therefore becomes one of the fundamental questions and the key to efficient management and maintenance. A new way to determine the maintenance strategy can be called: Knowledge Based Maintenance. A simple method for determining strategies while taking the technical condition of the components of the production process into account to the greatest possible degree which can be shown. A software with an algorithm for Knowledge Based Maintenance leads the user during complex work to the determination of maintenance strategies for this complex plant components. (orig.)

  4. Knowledge based maintenance

    Energy Technology Data Exchange (ETDEWEB)

    Sturm, A. [Hamburgische Electacitaets-Werke AG Hamburg (Germany)

    1997-12-31

    The establishment of maintenance strategies is of crucial significance for the reliability of a plant and the economic efficiency of maintenance measures. Knowledge about the condition of components and plants from the technical and business management point of view therefore becomes one of the fundamental questions and the key to efficient management and maintenance. A new way to determine the maintenance strategy can be called: Knowledge Based Maintenance. A simple method for determining strategies while taking the technical condition of the components of the production process into account to the greatest possible degree which can be shown. A software with an algorithm for Knowledge Based Maintenance leads the user during complex work to the determination of maintenance strategies for this complex plant components. (orig.)

  5. Conducting Polymer Based Nanobiosensors

    Directory of Open Access Journals (Sweden)

    Chul Soon Park

    2016-06-01

    Full Text Available In recent years, conducting polymer (CP nanomaterials have been used in a variety of fields, such as in energy, environmental, and biomedical applications, owing to their outstanding chemical and physical properties compared to conventional metal materials. In particular, nanobiosensors based on CP nanomaterials exhibit excellent performance sensing target molecules. The performance of CP nanobiosensors varies based on their size, shape, conductivity, and morphology, among other characteristics. Therefore, in this review, we provide an overview of the techniques commonly used to fabricate novel CP nanomaterials and their biosensor applications, including aptasensors, field-effect transistor (FET biosensors, human sense mimicking biosensors, and immunoassays. We also discuss prospects for state-of-the-art nanobiosensors using CP nanomaterials by focusing on strategies to overcome the current limitations.

  6. Fusion safety data base

    International Nuclear Information System (INIS)

    Laats, E.T.; Hardy, H.A.

    1983-01-01

    The purpose of this Fusion Safety Data Base Program is to provide a repository of data for the design and development of safe commercial fusion reactors. The program is sponsored by the United States Department of Energy (DOE), Office of Fusion Energy. The function of the program is to collect, examine, permanently store, and make available the safety data to the entire US magnetic-fusion energy community. The sources of data will include domestic and foreign fusion reactor safety-related research programs. Any participant in the DOE Program may use the Data Base Program from his terminal through user friendly dialog and can view the contents in the form of text, tables, graphs, or system diagrams

  7. Maintaining Relationship Based Procurement

    Directory of Open Access Journals (Sweden)

    Peter Davis

    2012-11-01

    Full Text Available Alliance and relationship projects are increasingin number and represent a large pool of work. Tobe successful relationship style contracts dependon soft-dollar factors, particularly the participants'ability to work together within an agreedframework, generally they are not based on lowbid tendering. Participants should be prepared todo business in an open environment based ontrust and mutually agreed governance. Theresearch evaluates relationship maintenance inthe implementation phase of constructionalliances - a particular derivative of relationshipstyle contracts. To determine the factors thatcontribute to relationship maintenance forty-nineexperienced Australian alliance projectmanagers were interviewed. The main findingswere; the development of relationships early inthe project form building blocks of success fromwhich relationships are maintained and projectvalue added; quality facilitation plays animportant part in relationship maintenance and ahybrid organisation created as a result of alliancedevelopment overcomes destructiveorganisational boundaries. Relationshipmaintenance is integral to alliance project controland failure to formalise it and pay attention toprocess and past outcomes will undermine analliance project's potential for success.

  8. Location-based Scheduling

    DEFF Research Database (Denmark)

    Andersson, Niclas; Christensen, Knud

    on the market. However, CPM is primarily an activity based method that takes the activity as the unit of focus and there is criticism raised, specifically in the case of construction projects, on the method for deficient management of construction work and continuous flow of resources. To seek solutions...... to the identified limitations of the CPM method, an alternative planning and scheduling methodology that includes locations is tested. Location-based Scheduling (LBS) implies a shift in focus, from primarily the activities to the flow of work through the various locations of the project, i.e. the building. LBS uses...... the graphical presentation technique of Line-of-balance, which is adapted for planning and management of work-flows that facilitates resources to perform their work without interruptions caused by other resources working with other activities in the same location. As such, LBS and Lean Construction share...

  9. Trajectory Based Traffic Analysis

    DEFF Research Database (Denmark)

    Krogh, Benjamin Bjerre; Andersen, Ove; Lewis-Kelham, Edwin

    2013-01-01

    We present the INTRA system for interactive path-based traffic analysis. The analyses are developed in collaboration with traffic researchers and provide novel insights into conditions such as congestion, travel-time, choice of route, and traffic-flow. INTRA supports interactive point-and-click a......We present the INTRA system for interactive path-based traffic analysis. The analyses are developed in collaboration with traffic researchers and provide novel insights into conditions such as congestion, travel-time, choice of route, and traffic-flow. INTRA supports interactive point......-and-click analysis, due to a novel and efficient indexing structure. With the web-site daisy.aau.dk/its/spqdemo/we will demonstrate several analyses, using a very large real-world data set consisting of 1.9 billion GPS records (1.5 million trajectories) recorded from more than 13000 vehicles, and touching most...

  10. Carbon Nanotube based Nanotechnolgy

    Science.gov (United States)

    Meyyappan, M.

    2000-10-01

    Carbon nanotube(CNT) was discovered in the early 1990s and is an off-spring of C60(the fullerene or buckyball). CNT, depending on chirality and diameter, can be metallic or semiconductor and thus allows formation of metal-semiconductor and semiconductor-semiconductor junctions. CNT exhibits extraordinary electrical and mechanical properties and offers remarkable potential for revolutionary applications in electronics devices, computing and data storage technology, sensors, composites, storage of hydrogen or lithium for battery development, nanoelectromechanical systems(NEMS), and as tip in scanning probe microscopy(SPM) for imaging and nanolithography. Thus the CNT synthesis, characterization and applications touch upon all disciplines of science and engineering. A common growth method now is based on CVD though surface catalysis is key to synthesis, in contrast to many CVD applications common in microelectronics. A plasma based variation is gaining some attention. This talk will provide an overview of CNT properties, growth methods, applications, and research challenges and opportunities ahead.

  11. Spintronics-based computing

    CERN Document Server

    Prenat, Guillaume

    2015-01-01

    This book provides a comprehensive introduction to spintronics-based computing for the next generation of ultra-low power/highly reliable logic, which is widely considered a promising candidate to replace conventional, pure CMOS-based logic. It will cover aspects from device to system-level, including magnetic memory cells, device modeling, hybrid circuit structure, design methodology, CAD tools, and technological integration methods. This book is accessible to a variety of readers and little or no background in magnetism and spin electronics are required to understand its content.  The multidisciplinary team of expert authors from circuits, devices, computer architecture, CAD and system design reveal to readers the potential of spintronics nanodevices to reduce power consumption, improve reliability and enable new functionality.  .

  12. Knowledge Based Economy Assessment

    OpenAIRE

    Madalina Cristina Tocan

    2012-01-01

    The importance of knowledge-based economy (KBE) in the XXI century is evident. In the article the reflection of knowledge on economy is analyzed. The main point is targeted to the analysis of characteristics of knowledge expression in economy and to the construction of structure of KBE expression. This allows understanding the mechanism of functioning of knowledge economy. The authors highlight the possibility to assess the penetration level of KBE which could manifest itself trough the exist...

  13. Luxury-based Growth

    OpenAIRE

    Shiro Kuwahara

    2006-01-01

    Assuming that there exists a preference for luxury goods and a knowledge spillover from luxury goods production to goods production, this paper constructs an endogenous economic growth model. The model predicts two steady states: one is a steady positive growth state with regard to luxury goods production, and the other is a zero growth state in the absence of luxury goods production. Thus, this study examines the polarization of economies based on luxury goods consumption

  14. Base Stability of Aminocyclopropeniums

    Science.gov (United States)

    2017-11-01

    PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) US Army Research Laboratory Weapons and Materials Research Directorate (ATTN: RDRL-WMM-G) 2800 Powder...Mill Road Adelphi, MD 20783-1138 8. PERFORMING ORGANIZATION REPORT NUMBER ARL-TR-8204 9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES...fuel cells to test their utility in anion exchange membranes. While the aminocyclopropeniums showed poor base stability, the cyclopropenium cation

  15. Granular loess classification based

    International Nuclear Information System (INIS)

    Browzin, B.S.

    1985-01-01

    This paper discusses how loess might be identified by two index properties: the granulometric composition and the dry unit weight. These two indices are necessary but not always sufficient for identification of loess. On the basis of analyses of samples from three continents, it was concluded that the 0.01-0.5-mm fraction deserves the name loessial fraction. Based on the loessial fraction concept, a granulometric classification of loess is proposed. A triangular chart is used to classify loess

  16. Educational Process Material Base

    OpenAIRE

    Olga Ozerova; Irina Zabaturina; Vera Kuznetsova; Galina Kovaleva

    2012-01-01

    Based on the data obtained by the Institute for Statistical Studies and the Economics of Knowledge, National Research University - Higher School of Economics Olga Ozerova - Head of the Department for Statistics of Education, Institute for Statistical Studies and the Economics of Knowledge, National Research University - Higher School of Economics, Moscow, Russian Federation. Email: Address: 18 Myasnitskaya St., Moscow, 101000, Russian Federation.Irina Zabaturina - senior resea...

  17. Supramolecular fluorene based materials

    OpenAIRE

    Abbel, R.J.

    2008-01-01

    This thesis describes the use of noncovalent interactions in order to manipulate and control the self-assembly and morphology of electroactive fluorene-based materials. The supramolecular arrangement of p-conjugated polymers and oligomers can strongly influence their electronic and photophysical properties. Therefore, a detailed understanding of such organisation processes is essential for the optimisation of the performance of these materials as applied in optoelectronic devices. In order to...

  18. Graphene-based Nanoelectronics

    Science.gov (United States)

    2013-02-01

    Electrodes were fabricated by drop casting solutions containing the graphene oxide (GO)/CNT/MnAc materials onto titanium (Ti) or stainless steel current...silicon carbide (SiC) substrate can induce a splitting of up to 0.3 eV between the maximum of the valence and minimum of the conduction bands at the...simultaneously hinders the formation of multilayer graphene domains. These results are based on a diffusion-segregation model for carbon precipitation on a Ni

  19. Spiritual-based Leadership

    DEFF Research Database (Denmark)

    Pruzan, Peter

    2015-01-01

    Although far from mainstream, the concept of spiritual-based leadership is emerging as an inclusive and yet highly personal approach to leadership that integrates a leader’s inner perspectives on identity, purpose, responsibility and success with her or his decisions and actions in the outer world...... of business—and therefore it is also emerging as a significant framework for understanding, practicing, communicating and teaching the art and profession of leadership....

  20. Arduino based laser control

    OpenAIRE

    Bernal Muñoz, Ferran

    2015-01-01

    ARDUINO is a vey usefull platform for prototypes. In this project ARDUINO will be used for controling a Semiconductor Tuneable Laser. [ANGLÈS] Diode laser for communications control based on an Arduino board. Temperature control implementation. Software and hardware protection for the laser implementation. [CASTELLÀ] Control de un láser de comunicaciones ópticas desde el ordenador utilizando una placa Arduino. Implementación de un control de temperatura y protección software y hardware ...

  1. Design bases - Concrete structures

    International Nuclear Information System (INIS)

    Diaz-Llanos Ros, M.

    1993-01-01

    The most suitable title for Section 2 is 'Design Bases', which covers not only calculation but also the following areas: - Structural design concepts. - Project criteria. - Material specifications. These concepts are developed in more detail in the following sections. The numbering in this document is neither complete nor hierarchical since, for easier cross referencing, it corresponds to the paragraphs of Eurocode 2 Part 1 (hereinafter 'EUR-2') which are commented on. (author)

  2. Biosphere data base revision

    International Nuclear Information System (INIS)

    Bergstroem, U.; Andersson, K.; Sundblad, B.

    1985-12-01

    The turnover of long-lived radionuclides in the biosphere has been modelled some time ago and the exposure to man was calculated. The nuclides were long-lived actinides and fission products leaking from a simulated deep rock repository for spent nuclear fuel. The data base for these calculations has been updated in the present work and in addition a number of nuclides that were not included in the earlier work have been treated. (G.B.)

  3. Air Force Smart Bases

    Science.gov (United States)

    2017-10-19

    initiates notification to all personnel on the base, the giant voice announces a lock down, everyone’s smart device shows an alarm requesting...location of the detected sound, they easily find a hunter and send his picture back to the IOC, where the hunter’s identity is verified through facial...computer goes into sleep mode, the thermostat goes back to unoccupied mode and his door locks as he walks through. Meanwhile over in the IOC

  4. Polypeptide based hydrogels

    OpenAIRE

    Hanay, Saltuk

    2018-01-01

    There is a need for biocompatible, biodegradable, 3-D printable and stable hydrogels especially in the areas of tissue engineering, drug delivery, bio-sensing technologies and antimicrobial coatings. The main aim of this Ph.D. work was to fabricate polypeptide based hydrogel which may find a potential application in those fields. Focusing on tyrosine or tryptophan-containing copolypeptides prepared by NCarboxyanhydride (NCA) polymerizations, three different crosslinking strategies have been t...

  5. Knowledge-based utility

    International Nuclear Information System (INIS)

    Chwalowski, M.

    1997-01-01

    This presentation provides industry examples of successful marketing practices by companies facing deregulation and competition. The common thread through the examples is that long term survival of today's utility structure is dependent on the strategic role of knowledge. As opposed to regulated monopolies which usually own huge physical assets and have very little intelligence about their customers, unregulated enterprises tend to be knowledge-based, characterized by higher market value than book value. A knowledge-based enterprise gathers data, creates information and develops knowledge by leveraging it as a competitive weapon. It institutionalizes human knowledge as a corporate asset for use over and over again by the use of databases, computer networks, patents, billing, collection and customer services (BCCS), branded interfaces and management capabilities. Activities to become knowledge-based such as replacing inventory/fixed assets with information about material usage to reduce expenditure and achieve more efficient operations, and by focusing on integration and value-adding delivery capabilities, were reviewed

  6. Microbead agglutination based assays

    KAUST Repository

    Kodzius, Rimantas

    2013-01-21

    We report a simple and rapid room temperature assay for point-of-care (POC) testing that is based on specific agglutination. Agglutination tests are based on aggregation of microbeads in the presence of a specific analyte thus enabling the macroscopic observation. Such tests are most often used to explore antibody-antigen reactions. Agglutination has been used for protein assays using a biotin/streptavidin system as well as a hybridization based assay. The agglutination systems are prone to selftermination of the linking analyte, prone to active site saturation and loss of agglomeration at high analyte concentrations. We investigated the molecular target/ligand interaction, explaining the common agglutination problems related to analyte self-termination, linkage of the analyte to the same bead instead of different microbeads. We classified the agglutination process into three kinds of assays: a two- component assay, a three-component assay and a stepped three- component assay. Although we compared these three kinds of assays for recognizing DNA and protein molecules, the assay can be used for virtually any molecule, including ions and metabolites. In total, the optimized assay permits detecting analytes with high sensitivity in a short time, 5 min, at room temperature. Such a system is appropriate for POC testing.

  7. As bases do petismo

    Directory of Open Access Journals (Sweden)

    David Samuels

    2004-10-01

    Full Text Available A partir dos dados do ESEB de 2002 o autor realiza um estudo das bases eleitorais do PT e de hipóteses sobre a natureza do petismo. Através de técnicas estatísticas multivariadas, são testadas relações do petismo com variáveis demográficas, socioeconômicas e variáveis relativas a questões políticas específicas. Os resultados apontam que apenas a escolaridade tem uma associação específica com o petismo, com implicações para o seu comportamento sócio-político.Based on the results of the 2002 Brazilian Electoral Study, the author analyses the electoral bases of the Worker´s Party and the factors associated with the "petismo". The relationships between the "petismo"and the socioeconomic, demographic and political variables are tested using multivariate analysis. The results indicate that the only "social category"associated with "petismo"is level of education, and it has clear implications to their social and political behavior.

  8. Value-based genomics.

    Science.gov (United States)

    Gong, Jun; Pan, Kathy; Fakih, Marwan; Pal, Sumanta; Salgia, Ravi

    2018-03-20

    Advancements in next-generation sequencing have greatly enhanced the development of biomarker-driven cancer therapies. The affordability and availability of next-generation sequencers have allowed for the commercialization of next-generation sequencing platforms that have found widespread use for clinical-decision making and research purposes. Despite the greater availability of tumor molecular profiling by next-generation sequencing at our doorsteps, the achievement of value-based care, or improving patient outcomes while reducing overall costs or risks, in the era of precision oncology remains a looming challenge. In this review, we highlight available data through a pre-established and conceptualized framework for evaluating value-based medicine to assess the cost (efficiency), clinical benefit (effectiveness), and toxicity (safety) of genomic profiling in cancer care. We also provide perspectives on future directions of next-generation sequencing from targeted panels to whole-exome or whole-genome sequencing and describe potential strategies needed to attain value-based genomics.

  9. DCF会計と現代会計システム

    OpenAIRE

    上野, 清貴

    2006-01-01

    The purpose of this paper is to consider discounted cash flow (DCF) in accountancy, and study the meaning of the DCF accounting as an accounting system. Although it has the advantage that DCF accounting to some extent enable investment decision-making and corporate valuation, it also has the problem simultaneously. The problems are that it does not have a realistic cost of capital in this accounting system, the performance evaluation function is lacking, and the valuation method is not flexib...

  10. Nanoplatform-based molecular imaging

    National Research Council Canada - National Science Library

    Chen, Xiaoyuan

    2011-01-01

    "Nanoplathform-Based Molecular Imaging provides rationale for using nanoparticle-based probes for molecular imaging, then discusses general strategies for this underutilized, yet promising, technology...

  11. Polyolefin-Based Aerogels

    Science.gov (United States)

    Lee, Je Kyun; Gould, George

    2012-01-01

    An organic polybutadiene (PB) rubberbased aerogel insulation material was developed that will provide superior thermal insulation and inherent radiation protection, exhibiting the flexibility, resiliency, toughness, and durability typical of the parent polymer, yet with the low density and superior insulation properties associated with the aerogels. The rubbery behaviors of the PB rubber-based aerogels are able to overcome the weak and brittle nature of conventional inorganic and organic aerogel insulation materials. Additionally, with higher content of hydrogen in their structure, the PB rubber aerogels will also provide inherently better radiation protection than those of inorganic and carbon aerogels. Since PB rubber aerogels also exhibit good hydrophobicity due to their hydrocarbon molecular structure, they will provide better performance reliability and durability as well as simpler, more economic, and environmentally friendly production over the conventional silica or other inorganic-based aerogels, which require chemical treatment to make them hydrophobic. Inorganic aerogels such as silica aerogels demonstrate many unusual and useful properties. There are several strategies to overcoming the drawbacks associated with the weakness and brittleness of silica aerogels. Development of the flexible fiber-reinforced silica aerogel composite blanket has proven one promising approach, providing a conveniently fielded form factor that is relatively robust toward handling in industrial environments compared to silica aerogel monoliths. However, the flexible silica aerogel composites still have a brittle, dusty character that may be undesirable, or even intolerable, in certain applications. Although the cross-linked organic aerogels such as resorcinol-formaldehyde (RF), polyisocyanurate, and cellulose aerogels show very high impact strength, they are also very brittle with little elongation (i.e., less rubbery). Also, silica and carbon aerogels are less efficient

  12. Characteristics Data Base

    Energy Technology Data Exchange (ETDEWEB)

    Lewis, E.D.; Moore, R.S. (Automated Sciences Group, Inc., Oak Ridge, TN (USA))

    1990-08-01

    The LWR Serial Numbers Database System (SNDB) contains detailed data about individual, historically discharged LWR spent fuel assemblies. This data includes the reactor where used, the year the assemblies were discharged, the pool where they are currently stored, assembly type, burnup, weight, enrichment, and an estimate of their radiological properties. This information is distributed on floppy disks to users in the nuclear industry to assist in planning for the permanent nuclear waste repository. This document describes the design and development of the SNDB. It provides a complete description of the file structures and an outline of the major code modules. It serves as a reference for a programmer maintaining the system, or for others interested in the technical detail of this database. This is the initial version of the SNDB. It contains historical data through December 31, 1987, obtained from the Energy Information Administration (EIA). EIA obtains the data from the utility companies via the RW-859 Survey Form. It evaluates and standardizes the data and distributes the resulting batch level database as a large file on magnetic tape. The Characteristics Data Base obtains this database for use in the LWR Quantities Data Base. Additionally, the CDB obtains the individual assembly level detail from EIA for use in the SNDB. While the Quantities Data Base retains only the level of detail necessary for its reporting, the SNDB does retain and use the batch level data to assist in the identification of a particular assembly serial number. We expect to update the SNDB on an annual basis, as new historical data becomes available.

  13. Vision-based interaction

    CERN Document Server

    Turk, Matthew

    2013-01-01

    In its early years, the field of computer vision was largely motivated by researchers seeking computational models of biological vision and solutions to practical problems in manufacturing, defense, and medicine. For the past two decades or so, there has been an increasing interest in computer vision as an input modality in the context of human-computer interaction. Such vision-based interaction can endow interactive systems with visual capabilities similar to those important to human-human interaction, in order to perceive non-verbal cues and incorporate this information in applications such

  14. Knowledge based Entrepreneurship

    DEFF Research Database (Denmark)

    Heebøll, John

    This book is dedicated enterprising people with a technical or a scientific background who consider commercializing ideas and inventions within their field of expertise via a new business activity or a new company. It aims at distilling experiences from many successful and not so successful start......-up ventures from the Technical University of Denmark, 1988 – 2008 into practical, portable knowledge that can be used by future knowledge-based entrepreneurs to set up new companies efficiently or to stay away from it; to do what’s needed and avoid the pitfalls....

  15. Polymerization Using Phosphazene Bases

    KAUST Repository

    Zhao, Junpeng

    2015-09-01

    In the recent rise of metal-free polymerization techniques, organic phosphazene superbases have shown their remarkable strength as promoter/catalyst for the anionic polymerization of various types of monomers. Generally, the complexation of phosphazene base with the counterion (proton or lithium cation) significantly improves the nucleophilicity of the initiator/chain end resulting in highly enhanced polymerization rates, as compared with conventional metalbased initiating systems. In this chapter, the general features of phosphazenepromoted/catalyzed polymerizations and the applications in macromolecular engineering (synthesis of functionalized polymers, block copolymers, and macromolecular architectures) are discussed with challenges and perspectives being pointed out.

  16. Web Based Customized Design

    OpenAIRE

    Moi, Morten Benestad

    2013-01-01

    This thesis studies the methods needed to create a web based application to remotely customize a CAD model. This includes customizing a CAD model by using a graphical user interface to be able to remotely control the inputs to- and outputs from the model in NX, and to get the result sent back to the user. Using CAD systems such as NX requires intensive training, is often a slow process and gives a lot of room for errors. An intuitive, simple user interface will eliminate the need for CAD trai...

  17. Location-based games

    DEFF Research Database (Denmark)

    Ejsing-Duun, Stine

    In this dissertation, it is explored which prerequisites are necessary in location-based games (LBGs) to make meaningful the meeting between players and spatiality with an emphasis on physical locations. Throughout the dissertation, it has been shown that LBGs affect players’ perception of and be...... possible. The practical contribution is my creation of the LBG Visions of Sara. People continue to play this game in Odense more than two years after its launch, and DJEEO uses it as a showcase, enabling the company to sell similar LBGs....

  18. LIGHTWEIGHT CONCRETE BASED GRANSHLAK

    Directory of Open Access Journals (Sweden)

    NETESA M. I.

    2016-02-01

    Full Text Available Raising of problem. Concrete advisable to obtain a low strength with local secondary resources for recycling and reduce the environmental burden on the environment. But it is important to design such concrete compositions with a reduced flow of cement. It is known that the coefficient of efficiency of use of cement in the concrete of the heavy and B10 is less than about 0.5, which is almost two times smaller than in class B15 concrete and above. Even lower coefficient of efficiency in light concrete cement low strength. Therefore, it is important to find patterns determining the composition of lightweight concrete based on local-products industry with more efficient use of cement in them. Purpose.. Based on the analysis of earlier research results, including with the use of methods of mathematical planning of experiments to determine the concrete contents, which can provide the requirements for the underlying layers of the floor, the compressive strength of which should correspond to the class B5. It is important to provide the required strength at minimum flow of the cement, which is the most expensive and energy-intensive part of concrete. Conclusion. Analysis of the test results of control samples of concrete in 28-day-old, the following laws. The required tensile strength of concrete compressive strength of 7.0 MPa can be obtained in the test range when used in formulations as a filler as the Dnieper hydroelectric power station fly ash and tailings Krivoy Rog iron ore YuGOK. To ensure providing the required characteristic strength of the concrete in the underlying layers of the floor is advisable to use a nominal composition per cubic meter of concrete: cement 160 kg granshlaka Plant named after Petrovsky, 675 kg of fly ash Dnieper HPP 390 kg, 400 kg of sand, 230 liters of water. Thus, while ensuring rational grain composition components can obtain the desired strength lightweight concrete based granshlaka plant Petrovsky, using as fillers

  19. Accelerator-based BNCT.

    Science.gov (United States)

    Kreiner, A J; Baldo, M; Bergueiro, J R; Cartelli, D; Castell, W; Thatar Vento, V; Gomez Asoia, J; Mercuri, D; Padulo, J; Suarez Sandin, J C; Erhardt, J; Kesque, J M; Valda, A A; Debray, M E; Somacal, H R; Igarzabal, M; Minsky, D M; Herrera, M S; Capoulat, M E; Gonzalez, S J; del Grosso, M F; Gagetti, L; Suarez Anzorena, M; Gun, M; Carranza, O

    2014-06-01

    The activity in accelerator development for accelerator-based BNCT (AB-BNCT) both worldwide and in Argentina is described. Projects in Russia, UK, Italy, Japan, Israel, and Argentina to develop AB-BNCT around different types of accelerators are briefly presented. In particular, the present status and recent progress of the Argentine project will be reviewed. The topics will cover: intense ion sources, accelerator tubes, transport of intense beams, beam diagnostics, the (9)Be(d,n) reaction as a possible neutron source, Beam Shaping Assemblies (BSA), a treatment room, and treatment planning in realistic cases. © 2013 Elsevier Ltd. All rights reserved.

  20. Cellular based cancer vaccines

    DEFF Research Database (Denmark)

    Hansen, M; Met, Ö; Svane, I M

    2012-01-01

    Cancer vaccines designed to re-calibrate the existing host-tumour interaction, tipping the balance from tumor acceptance towards tumor control holds huge potential to complement traditional cancer therapies. In general, limited success has been achieved with vaccines composed of tumor...... to transiently affect in vitro migration via autocrine receptor-mediated endocytosis of CCR7. In the current review, we discuss optimal design of DC maturation focused on pre-clinical as well as clinical results from standard and polarized dendritic cell based cancer vaccines....

  1. WAP - based telemedicine applications

    International Nuclear Information System (INIS)

    Hung, K.; Zhang, Y.T.

    2001-01-01

    Telemedicine refers to the utilization of telecommunication technology for medical diagnosis, treatment, and patient care. Its aim is to provide expert-based health care to remote sites through telecommunication and information technologies. The significant advances in technologies have enabled the introduction of a broad range of telemedicine applications, which are supported by computer networks, wireless communication, and information superhighway. For example, some hospitals are using tele-radiology for remote consultation. Such a system includes medical imaging devices networked with computers and databases. Another growing area is patient monitoring, in which sensors are used to acquire biomedical signals, such as electrocardiogram (ECG), blood pressure, and body temperature, from a remote patient, who could be in bed or moving freely. The signals are then relayed to remote systems for viewing and analysis. Telemedicine can be divided into two basic modes of operations: real-time mode, in which the patient data can be accessed remotely in real-time, and store-and-forward mode, in which the acquired data does not have to be accessed immediately. In the recent years, many parties have demonstrated various telemedicine applications based on the Internet and cellular phone as these two fields have been developing rapidly. A current, recognizable trend in telecommunication is the convergence of wireless communication and computer network technologies. This has been reflected in recently developed telemedicine systems. For example, in 1998 J. Reponen, et al. have demonstrated transmission and display of computerized tomography (CT) examinations using a remote portable computer wirelessly connected to a computer network through TCP/IP on a GSM cellular phone. Two years later, they carried out the same tests with a GSM-based wireless personal digital assistant (PDA). The WAP (Wireless Application Protocol) Forum was founded in 1997 to create a global protocol

  2. Mars base buildup scenarios

    International Nuclear Information System (INIS)

    Blacic, J.D.

    1985-01-01

    Two surface base build-up scenarios are presented in order to help visualize the mission and to serve as a basis for trade studies. In the first scenario, direct manned landings on the Martian surface occur early in the missions and scientific investigation is the main driver and rationale. In the second scenario, early development of an infrastructure to exploite the volatile resources of the Martian moons for economic purposes is emphasized. Scientific exploration of the surface is delayed at first, but once begun develops rapidly aided by the presence of a permanently manned orbital station

  3. Agent-Based Optimization

    CERN Document Server

    Jędrzejowicz, Piotr; Kacprzyk, Janusz

    2013-01-01

    This volume presents a collection of original research works by leading specialists focusing on novel and promising approaches in which the multi-agent system paradigm is used to support, enhance or replace traditional approaches to solving difficult optimization problems. The editors have invited several well-known specialists to present their solutions, tools, and models falling under the common denominator of the agent-based optimization. The book consists of eight chapters covering examples of application of the multi-agent paradigm and respective customized tools to solve  difficult optimization problems arising in different areas such as machine learning, scheduling, transportation and, more generally, distributed and cooperative problem solving.

  4. Refractive index based measurements

    DEFF Research Database (Denmark)

    2014-01-01

    In a method for performing a refractive index based measurement of a property of a fluid such as chemical composition or temperature by observing an apparent angular shift in an interference fringe pattern produced by back or forward scattering interferometry, ambiguities in the measurement caused...... by the apparent shift being consistent with one of a number of numerical possibilities for the real shift which differ by 2n are resolved by combining measurements performed on the same sample using light paths therethrough of differing lengths....

  5. Sustainability Base Construction Update

    Science.gov (United States)

    Mewhinney, Michael

    2012-01-01

    Construction of the new Sustainability Base Collaborative support facility, expected to become the highest performing building in the federal government continues at NASA's Ames Research Center, Moffet Field, Calif. The new building is designed to achieve a platinum rating under the leadership in Energy and Environment Design (LEED) new construction standards for environmentally sustainable construction developed by the U. S. Green Building Council, Washington, D. C. When completed by the end of 2011, the $20.6 million building will feature near zero net energy consumption, use 90 percent less potable water than conventionally build buildings of equivalent size, and will result in reduced building maintenance costs.

  6. Chitosan-based nanocomposites

    CSIR Research Space (South Africa)

    Kesavan Pillai, Sreejarani

    2012-08-01

    Full Text Available , and hygiene devices. They thus represent a strong and emerging answer for improved and eco-friendly materials. This chapter reviews the recent developments in the area of chitosan-based nanocomposites, with a special emphasis on clay-containing nanocomposites...-sized mineral fillers like silica, talc, and clay are added to reduce the cost and improve chitosan’s performance in some way. However, the mechanical properties such as elongation at break and tensile strength of these composites decrease with the incorporation...

  7. Optimisation of optical receiver for 10 Gbit/s optical duobinary transmission system

    DEFF Research Database (Denmark)

    Zheng, Xueyan; Liu, Fenghai; Jeppesen, Palle

    2001-01-01

    Optimisation of a receiver for an optical duobinary signal is studied numerically. It is shown that a conventional receiver is not optimum neither when a DCF is used before the receiver nor without a DCF being used. The optimum receiver for an optical duobinary system is identified.......Optimisation of a receiver for an optical duobinary signal is studied numerically. It is shown that a conventional receiver is not optimum neither when a DCF is used before the receiver nor without a DCF being used. The optimum receiver for an optical duobinary system is identified....

  8. Droplet based microfluidics

    International Nuclear Information System (INIS)

    Seemann, Ralf; Brinkmann, Martin; Pfohl, Thomas; Herminghaus, Stephan

    2012-01-01

    Droplet based microfluidics is a rapidly growing interdisciplinary field of research combining soft matter physics, biochemistry and microsystems engineering. Its applications range from fast analytical systems or the synthesis of advanced materials to protein crystallization and biological assays for living cells. Precise control of droplet volumes and reliable manipulation of individual droplets such as coalescence, mixing of their contents, and sorting in combination with fast analysis tools allow us to perform chemical reactions inside the droplets under defined conditions. In this paper, we will review available drop generation and manipulation techniques. The main focus of this review is not to be comprehensive and explain all techniques in great detail but to identify and shed light on similarities and underlying physical principles. Since geometry and wetting properties of the microfluidic channels are crucial factors for droplet generation, we also briefly describe typical device fabrication methods in droplet based microfluidics. Examples of applications and reaction schemes which rely on the discussed manipulation techniques are also presented, such as the fabrication of special materials and biophysical experiments.

  9. DVD Based Electronic Pulser

    International Nuclear Information System (INIS)

    Morris, Scott J.; Pratt, Rick M.; Hughes, Michael A.; Kouzes, Richard T.; Pitts, W K.; Robinson, Eric E.

    2005-01-01

    This paper describes the design, construction, and testing of a DVD based electronic pulser system (DVDEPS). Such a device is used to generate pulse streams for simulation of both gamma and neutron detector systems. The DVDEPS reproduces a random pulse stream of a full HPGe spectrum as well as a digital pulse stream representing the output of a neutron multiplicity detector. The exchangeable DVD media contains over an hour of data for both detector systems and can contain an arbitrary gamma spectrum and neutron pulse stream. The data is written to the DVD using a desktop computer program from either actual or simulated spectra. The targeted use of the DVDEPS is authentication or validation of monitoring equipment for non-proliferation purposes, but it is also of general use whenever a complex data stream is required. The DVD based pulser combines the storage capacity and simplicity of DVD technology with commonly available electronic components to build a relatively inexpensive yet highly capable testing instrument

  10. Evidence-based surgery

    Directory of Open Access Journals (Sweden)

    Miran Rems

    2007-04-01

    Full Text Available Background: Surgery is setting a new ground by the reign of evidence that was brought up by the Evidence Based Medicine (EBM. While experiences and opinion of an expert count the least by the principles of EBM, randomized controlled trials (RCT and other comparative studies have gained their importance. Recommendations that were included in guidelines represent a demanding shift in surgeon’s professional thinking. Their thinking and classical education have not yet been completely based on the results of such studies and are still very very much master-pupil centred. Assessment of someone’s own experiences is threatened by objectivity as negative experiences get recorded in deeper memory. Randomized studies and meta-analyses do appear also in surgery. However, they demand an extra knowledge about critical assessment.Conclusions: Setting a patient to the foreground brings a surgeon’s decision to the field of EBM. The process has already begun and cannot be avoided. Decision hierarchy moves from the experience field to the evidence territory but to a lesser extent when compared to the rest of medicine. There exist objective restrictions with approving a new paradigm. However, these should not stop the process of EBM implementation. Finally, there is an ethic issue to be considered. Too slow activities in research, education and critical assessment can bring the surgeon to the position when a well-informed patient loses his/her trust.

  11. Microlaser-based displays

    Science.gov (United States)

    Bergstedt, Robert; Fink, Charles G.; Flint, Graham W.; Hargis, David E.; Peppler, Philipp W.

    1997-07-01

    Laser Power Corporation has developed a new type of projection display, based upon microlaser technology and a novel scan architecture, which provides the foundation for bright, extremely high resolution images. A review of projection technologies is presented along with the limitations of each and the difficulties they experience in trying to generate high resolution imagery. The design of the microlaser based projector is discussed along with the advantage of this technology. High power red, green, and blue microlasers have been designed and developed specifically for use in projection displays. These sources, in combination with high resolution, high contrast modulator, produce a 24 bit color gamut, capable of supporting the full range of real world colors. The new scan architecture, which reduces the modulation rate and scan speeds required, is described. This scan architecture, along with the inherent brightness of the laser provides the fundamentals necessary to produce a 5120 by 4096 resolution display. The brightness and color uniformity of the display is excellent, allowing for tiling of the displays with far fewer artifacts than those in a traditionally tiled display. Applications for the display include simulators, command and control centers, and electronic cinema.

  12. SPACE BASED INTERCEPTOR SCALING

    Energy Technology Data Exchange (ETDEWEB)

    G. CANAVAN

    2001-02-01

    Space Based Interceptor (SBI) have ranges that are adequate to address rogue ICBMs. They are not overly sensitive to 30-60 s delay times. Current technologies would support boost phase intercept with about 150 interceptors. Higher acceleration and velocity could reduce than number by about a factor of 3 at the cost of heavier and more expensive Kinetic Kill Vehicles (KKVs). 6g SBI would reduce optimal constellation costs by about 35%; 8g SBI would reduce them another 20%. Interceptor ranges fall rapidly with theater missile range. Constellations increase significantly for ranges under 3,000 km, even with advanced interceptor technology. For distributed launches, these estimates recover earlier strategic scalings, which demonstrate the improved absentee ratio for larger or multiple launch areas. Constellations increase with the number of missiles and the number of interceptors launched at each. The economic estimates above suggest that two SBI per missile with a modest midcourse underlay is appropriate. The SBI KKV technology would appear to be common for space- and surface-based boost phase systems, and could have synergisms with improved midcourse intercept and discrimination systems. While advanced technology could be helpful in reducing costs, particularly for short range theater missiles, current technology appears adequate for pressing rogue ICBM, accidental, and unauthorized launches.

  13. Challenge Based Innovation gala

    CERN Multimedia

    CERN. Geneva; Utriainen, Tuuli Maria; Toivonen, Harri; Nordberg, Markus

    2014-01-01

    Challenge Based Innovation gala   There’s a new experiment starting in CERN called IdeaLab where we work together with detector R&D researchers to help them to bridge their knowledge into a more human, societally oriented context. Currently we are located in B153, but will move our activities to a new facility next to the Globe in May 2014. One of our first pilot projects is a 5 month course CBI (Challenge Based Innovation) where two multidisciplinary student teams join forces with Edusafe & TALENT projects at CERN. Their goal is to discover what kind of tools for learning could be created in collaboration with the two groups. After months of user interviews and low resolution prototyping they are ready to share the results with us in the form of an afternoon gala. We warmly welcome you to join us to see the students' results and experience the prototypes they have conceived. The event is in three parts, you are welcome to visit all of them,...

  14. [Competence based medical education].

    Science.gov (United States)

    Bernabó, Jorge G; Buraschi, Jorge; Olcese, Juan; Buraschi, María; Duro, Eduardo

    2007-01-01

    The strategy of curriculum planning in the majority of the Schools of Medicine has shifted, in the past years, from curriculum models based in contents to outcome oriented curricula. Coincidently the interest in defining and evaluating the clinical competences that a graduate must have has grown. In our country, and particularly in the Associated Hospitals belonging to the Unidad Regional de Enseñanza IV of the UBA School of Medicine, evidence has been gathered showing that the acquisition of clinical competences during the grade is in general insufficient. The foundations and characteristics of PREM (Programa de Requisitos Esenciales Mínimos) are described. PREM is a tool to promote the apprenticeship of abilities and necessary skills for the practice of medicine. The objective of the program is to promote the apprenticeship of a well defined list of core competences considered indispensable for a general practitioner. An outcome oriented curriculum with a clear definition of the expected knowledge, skills and attitudes of a graduate of the programme, the promotion of learning experiences centered in the practice and evaluation tools based in direct observation of the student's performance should contribute to close the gap between what the Medicine Schools traditionally teach and evaluate, and what the doctor needs to know and needs to do to perform correctly its profession.

  15. Constraint-based reachability

    Directory of Open Access Journals (Sweden)

    Arnaud Gotlieb

    2013-02-01

    Full Text Available Iterative imperative programs can be considered as infinite-state systems computing over possibly unbounded domains. Studying reachability in these systems is challenging as it requires to deal with an infinite number of states with standard backward or forward exploration strategies. An approach that we call Constraint-based reachability, is proposed to address reachability problems by exploring program states using a constraint model of the whole program. The keypoint of the approach is to interpret imperative constructions such as conditionals, loops, array and memory manipulations with the fundamental notion of constraint over a computational domain. By combining constraint filtering and abstraction techniques, Constraint-based reachability is able to solve reachability problems which are usually outside the scope of backward or forward exploration strategies. This paper proposes an interpretation of classical filtering consistencies used in Constraint Programming as abstract domain computations, and shows how this approach can be used to produce a constraint solver that efficiently generates solutions for reachability problems that are unsolvable by other approaches.

  16. Metasurface-Based Polarimeters

    Directory of Open Access Journals (Sweden)

    Fei Ding

    2018-04-01

    Full Text Available The state of polarization (SOP is an inherent property of light that can be used to gain crucial information about the composition and structure of materials interrogated with light. However, the SOP is difficult to experimentally determine since it involves phase information between orthogonal polarization states, and is uncorrelated with the light intensity and frequency, which can be easily determined with photodetectors and spectrometers. Rapid progress on optical gradient metasurfaces has resulted in the development of conceptually new approaches to the SOP characterization. In this paper, we review the fundamentals of and recent developments within metasurface-based polarimeters. Starting by introducing the concepts of generalized Snell’s law and Stokes parameters, we explain the Pancharatnam–Berry phase (PB-phase which is instrumental for differentiating between orthogonal circular polarizations. Then we review the recent progress in metasurface-based polarimeters, including polarimeters, spectropolarimeters, orbital angular momentum (OAM spectropolarimeters, and photodetector integrated polarimeters. The review is ended with a short conclusion and perspective for future developments.

  17. Risk-based safety indicators

    International Nuclear Information System (INIS)

    Szikszai, T.

    1997-01-01

    The presentation discusses the following issues: The objectives of the risk-based indicator programme. The characteristics of the risk-based indicators. The objectives of risk-based safety indicators - in monitoring safety; in PSA applications. What indicators? How to produce the risk based indicators? PSA requirements

  18. MS Based Metabonomics

    Energy Technology Data Exchange (ETDEWEB)

    Want, Elizabeth J.; Metz, Thomas O.

    2010-03-01

    Metabonomics is the latest and least mature of the systems biology triad, which also includes genomics and proteomics, and has its origins in the early orthomolecular medicine work pioneered by Linus Pauling and Arthur Robinson. It was defined by Nicholson and colleagues in 1999 as the quantitative measurement of perturbations in the metabolite complement of an integrated biological system in response to internal or external stimuli, and is often used today to describe many non-global types of metabolite analyses. Applications of metabonomics are extensive and include toxicology, nutrition, pharmaceutical research and development, physiological monitoring and disease diagnosis. For example, blood samples from millions of neonates are tested routinely by mass spectrometry (MS) as a diagnostic tool for inborn errors of metabolism. The metabonome encompasses a wide range of structurally diverse metabolites; therefore, no single analytical platform will be sufficient. Specialized sample preparation and detection techniques are required, and advances in NMR and MS technologies have led to enhanced metabonome coverage, which in turn demands improved data analysis approaches. The role of MS in metabonomics is still evolving as instrumentation and software becomes more sophisticated and as researchers realize the strengths and limitations of current technology. MS offers a wide dynamic range, high sensitivity, and reproducible, quantitative analysis. These attributes are essential for addressing the challenges of metabonomics, as the range of metabolite concentrations easily exceeds nine orders of magnitude in biofluids, and the diversity of molecular species ranges from simple amino and organic acids to lipids and complex carbohydrates. Additional challenges arise in generating a comprehensive metabolite profile, downstream data processing and analysis, and structural characterization of important metabolites. A typical workflow of MS-based metabonomics is shown in Figure

  19. Skull base tumor model.

    Science.gov (United States)

    Gragnaniello, Cristian; Nader, Remi; van Doormaal, Tristan; Kamel, Mahmoud; Voormolen, Eduard H J; Lasio, Giovanni; Aboud, Emad; Regli, Luca; Tulleken, Cornelius A F; Al-Mefty, Ossama

    2010-11-01

    Resident duty-hours restrictions have now been instituted in many countries worldwide. Shortened training times and increased public scrutiny of surgical competency have led to a move away from the traditional apprenticeship model of training. The development of educational models for brain anatomy is a fascinating innovation allowing neurosurgeons to train without the need to practice on real patients and it may be a solution to achieve competency within a shortened training period. The authors describe the use of Stratathane resin ST-504 polymer (SRSP), which is inserted at different intracranial locations to closely mimic meningiomas and other pathological entities of the skull base, in a cadaveric model, for use in neurosurgical training. Silicone-injected and pressurized cadaveric heads were used for studying the SRSP model. The SRSP presents unique intrinsic metamorphic characteristics: liquid at first, it expands and foams when injected into the desired area of the brain, forming a solid tumorlike structure. The authors injected SRSP via different passages that did not influence routes used for the surgical approach for resection of the simulated lesion. For example, SRSP injection routes included endonasal transsphenoidal or transoral approaches if lesions were to be removed through standard skull base approach, or, alternatively, SRSP was injected via a cranial approach if the removal was planned to be via the transsphenoidal or transoral route. The model was set in place in 3 countries (US, Italy, and The Netherlands), and a pool of 13 physicians from 4 different institutions (all surgeons and surgeons in training) participated in evaluating it and provided feedback. All 13 evaluating physicians had overall positive impressions of the model. The overall score on 9 components evaluated--including comparison between the tumor model and real tumor cases, perioperative requirements, general impression, and applicability--was 88% (100% being the best possible

  20. Plasma based accelerators

    Energy Technology Data Exchange (ETDEWEB)

    Caldwell, Allen [Max-Planck-Institut fuer Physik, Muenchen (Germany)

    2015-05-01

    The concept of laser-induced plasma wakefields as a technique to accelerate charged particles was introduced 35 years ago as a means to go beyond the accelerating gradients possible with metallic cavities supporting radio frequency electromagnetic fields. Significant developments in laser technology have made possible the pulse intensity needed to realize this concept, and rapid progress is now underway in the realization of laser-driven plasma wakefield acceleration. It has also been realized that similar accelerating gradients can be produced by particle beams propagating in plasmas, and experimental programs have also been undertaken to study this possibility. Positive results have been achieved with electron-driven plasma wakefields, and a demonstration experiment with proton-driven wakefields is under construction at CERN. The concepts behind these different schemes and their pros and cons are described, as well as the experimental results achieved. An outlook for future practical uses of plasma based accelerators will also be given.

  1. Gossip-Based Broadcast

    Science.gov (United States)

    Leitão, João; Pereira, José; Rodrigues, Luís

    Gossip, or epidemic, protocols have emerged as a powerful strategy to implement highly scalable and resilient reliable broadcast primitives on large scale peer-to-peer networks. Epidemic protocols are scalable because they distribute the load among all nodes in the system and resilient because they have an intrinsic level of redundancy that masks node and network failures. This chapter provides an introduction to gossip-based broadcast on large-scale unstructured peer-to-peer overlay networks: it surveys the main results in the field, discusses techniques to build and maintain the overlays that support efficient dissemination strategies, and provides an in-depth discussion and experimental evaluation of two concrete protocols, named HyParView and Plumtree.

  2. Sensory bases of navigation.

    Science.gov (United States)

    Gould, J L

    1998-10-08

    Navigating animals need to know both the bearing of their goal (the 'map' step), and how to determine that direction (the 'compass' step). Compasses are typically arranged in hierarchies, with magnetic backup as a last resort when celestial information is unavailable. Magnetic information is often essential to calibrating celestial cues, though, and repeated recalibration between celestial and magnetic compasses is important in many species. Most magnetic compasses are based on magnetite crystals, but others make use of induction or paramagnetic interactions between short-wavelength light and visual pigments. Though odors may be used in some cases, most if not all long-range maps probably depend on magnetite. Magnetitebased map senses are used to measure only latitude in some species, but provide the distance and direction of the goal in others.

  3. Graphene based biosensors

    Energy Technology Data Exchange (ETDEWEB)

    Gürel, Hikmet Hakan, E-mail: hhakan.gurel@kocaeli.edu.tr [Kocaeli University, Kocaeli (Turkey); Salmankurt, Bahadır [Sakarya University, Sakarya (Turkey)

    2016-03-25

    Nanometer-sized graphene as a 2D material has unique chemical and electronic properties. Because of its unique physical, chemical, and electronic properties, its interesting shape and size make it a promising nanomaterial in many biological applications. It is expected that biomaterials incorporating graphene will be developed for the graphene-based drug delivery systems and biomedical devices. The interactions of biomolecules and graphene are long-ranged and very weak. Development of new techniques is very desirable for design of bioelectronics sensors and devices. In this work, we present first-principles calculations within density functional theory to calculate effects of charging on nucleobases on graphene. It is shown that how modify structural and electronic properties of nucleobases on graphene by applied charging.

  4. Integrated data base program

    International Nuclear Information System (INIS)

    Notz, K.J.

    1981-01-01

    The IDB Program provides direct support to the DOE Nuclear Waste Management and Fuel Cycle Programs and their lead sites and support contractors by providing and maintaining a current, integrated data base of spent fuel and radioactive waste inventories and projections. All major waste types (HLW, TRU, and LLW) and sources (government, commerical fuel cycle, and I/I) are included. A major data compilation was issued in September, 1981: Spent Fuel and Radioactive Waste Inventories and Projections as of December 31, 1980, DOE/NE-0017. This report includes chapters on Spent Fuel, HLW, TRU Waste, LLW, Remedial Action Waste, Active Uranium Mill Tailings, and Airborne Waste, plus Appendices with more detailed data in selected areas such as isotopics, radioactivity, thermal power, projections, and land usage. The LLW sections include volumes, radioactivity, thermal power, current inventories, projected inventories and characteristics, source terms, land requirements, and a breakdown in terms of government/commercial and defense/fuel cycle/I and I

  5. Nickel base alloys

    International Nuclear Information System (INIS)

    Gibson, R.C.; Korenko, M.K.

    1980-01-01

    Nickel based alloy, the characteristic of which is that it mainly includes in percentages by weight: 57-63 Ni, 7-18 Cr, 10-20 Fe, 4-6 Mo, 1-2 Nb, 0.2-0.8 Si, 0.01-0.05 Zr, 1.0-2.5 Ti, 1.0-2.5 Al, 0.02-0.06 C and 0.002-0.015 B. The aim is to create new nickel-chromium alloys, hardened in a solid solution and by precipitation, that are stable, exhibit reduced swelling and resistant to plastic deformation inside the reactor. These alloys of the gamma prime type have improved mechanical strengthm swelling resistance, structural stability and welding properties compared with Inconel 625 [fr

  6. Rate based failure detection

    Science.gov (United States)

    Johnson, Brett Emery Trabun; Gamage, Thoshitha Thanushka; Bakken, David Edward

    2018-01-02

    This disclosure describes, in part, a system management component and failure detection component for use in a power grid data network to identify anomalies within the network and systematically adjust the quality of service of data published by publishers and subscribed to by subscribers within the network. In one implementation, subscribers may identify a desired data rate, a minimum acceptable data rate, desired latency, minimum acceptable latency and a priority for each subscription. The failure detection component may identify an anomaly within the network and a source of the anomaly. Based on the identified anomaly, data rates and or data paths may be adjusted in real-time to ensure that the power grid data network does not become overloaded and/or fail.

  7. Behavior based safety

    International Nuclear Information System (INIS)

    Sudhikumaran, T.V.; Mehta, S.C.; Goyal, D.K.

    2009-01-01

    Behaviour Based Safety (popularly known as BBS) is a new methodology for achieving injury free work place and total Safety Culture. BBS is successfully being implemented and is being practiced as a work methodology for achieving a loss and injury free work environment and work practice. Through BBS, it was brought out that the root causes of all Industrial accidents some how originate from the 'at risk' behaviour of some individual or group of individuals at some level. The policy of NPCIL is to excel in the field of Industrial and Fire Safety in comparison to international standards. This article indents to bring out the various parameters helping in installing BBS programme at any plant. (author)

  8. Fuel cycle based safeguards

    International Nuclear Information System (INIS)

    De Montmollin, J.M.; Higinbotham, W.A.; Gupta, D.

    1985-07-01

    In NPT safeguards the same model approach and absolute-quantity inspection goals are applied at present to all similar facilities, irrespective of the State's fuel cycle. There is a continuing interest and activity on the part of the IAEA in new NPT safeguards approaches that more directly address a State's nuclear activities as a whole. This fuel cycle based safeguards system is expected to a) provide a statement of findings for the entire State rather than only for individual facilities; b) allocate inspection efforts so as to reflect more realistically the different categories of nuclear materials in the different parts of the fuel cycle and c) provide more timely and better coordinated information on the inputs, outputs and inventories of nuclear materials in a State. (orig./RF) [de

  9. Bases para proyectiles dirigidos

    Directory of Open Access Journals (Sweden)

    Editorial, Equipo

    1959-03-01

    Full Text Available Aunque actualmente no se ha llegado a una línea general de métodos o sistemas que gobiernen un tipo característico de rampa y servicios auxiliares necesarios para el lanzamiento al espacio de proyectiles dirigidos a grandes alturas y distancias, las experiencias obtenidas en diferentes ensayos, utilizando distintos tipos de proyectiles y trayectorias balísticas, han sentado toda una serie de procedimientos, datos y conclusiones de gran valor balístico que, aun teniendo en cuenta la continua evolución del proyectil, sus formas, combustibles y alcances, se conocen ya, con bastante aproximación, las condiciones mínimas que ha de reunir una base dedicada a este tipo de lanzamientos.

  10. Situation based housing

    DEFF Research Database (Denmark)

    Duelund Mortensen, Peder; Welling, Helen; Wiell Nordberg, Lene

    2007-01-01

    of the average family's lifestyle. These dwellings were ground-breaking when they were built, but today are clearly a product of their time. The reaction to functionalism and the postwar mass production gave rise to flexible dwelling with countless possibilities for room division. The housing of this period has...... characteristics which in the long run have proven to be unfortunate both in terms in terms of durability and architectural quality. Today there is a focus on the development of more open and functionally non-determined housing. A number of new housing schemes in and around Copenhagen reveal a variety...... of approaches to these goals. This working paper reviews not only a selection of new housing types, but also dwellings from the past, which each contain an aspect of changeability. Our study is based on information from users in the selected housing schemes, gathered from questionnaires, information about...

  11. Liaison based assembly design

    Energy Technology Data Exchange (ETDEWEB)

    Ames, A.; Kholwadwala, D.; Wilson, R.H.

    1996-12-01

    Liaison Based Assembly Design extends the current information infrastructure to support design in terms of kinematic relationships between parts, or liaisons. These liaisons capture information regarding contact, degrees-of-freedom constraints and containment relationships between parts in an assembly. The project involved defining a useful collection of liaison representations, investigating their properties, and providing for maximum use of the data in downstream applications. We tested our ideas by implementing a prototype system involving extensions to Pro/Engineer and the Archimedes assembly planner. With an expanded product model, the design system is more able to capture design intent. When a product update is attempted, increased knowledge availability improves our ability to understand the effect of design changes. Manufacturing and analysis disciplines benefit from having liaison information available, so less time is wasted arguing over incomplete design specifications and our enterprise can be more completely integrated.

  12. Touching base with OPERA

    CERN Multimedia

    CERN Bulletin

    2011-01-01

    Three seminars – at CERN, at Gran Sasso and in Japan – and an article calling for the scrutiny of the scientific community: the OPERA Collaboration opened its research publicly. In addition to huge press coverage, this triggered welcome reactions from colleagues around the world, many of whom will attempt to independently interpret and reproduce the measurement. OPERA’s Spokesperson touches base with the Bulletin.   The CERN Main Auditorium was crowded as OPERA Physics co-ordinator Dario Autiero presented the results of their research (23 September 2011). According to the OPERA strategy, the results of the measurements are in the hands of the scientific community and, as for any other scientific result, several months will be needed before other groups will be able to perform an independent measurement. In the meantime, the OPERA Collaboration is dealing with an avalanche of emails from the scientific community, members of the general public, and the press. &...

  13. Pathway-based analyses.

    Science.gov (United States)

    Kent, Jack W

    2016-02-03

    New technologies for acquisition of genomic data, while offering unprecedented opportunities for genetic discovery, also impose severe burdens of interpretation and penalties for multiple testing. The Pathway-based Analyses Group of the Genetic Analysis Workshop 19 (GAW19) sought reduction of multiple-testing burden through various approaches to aggregation of highdimensional data in pathways informed by prior biological knowledge. Experimental methods testedincluded the use of "synthetic pathways" (random sets of genes) to estimate power and false-positive error rate of methods applied to simulated data; data reduction via independent components analysis, single-nucleotide polymorphism (SNP)-SNP interaction, and use of gene sets to estimate genetic similarity; and general assessment of the efficacy of prior biological knowledge to reduce the dimensionality of complex genomic data. The work of this group explored several promising approaches to managing high-dimensional data, with the caveat that these methods are necessarily constrained by the quality of external bioinformatic annotation.

  14. Refractive index based measurements

    DEFF Research Database (Denmark)

    2014-01-01

    A refractive index based measurement of a property of a fluid is measured in an apparatus comprising a variable wavelength coherent light source (16), a sample chamber (12), a wavelength controller (24), a light sensor (20), a data recorder (26) and a computation apparatus (28), by - directing...... coherent light having a wavelength along an input light path, - producing scattering of said light from each of a plurality of interfaces within said apparatus including interfaces between said fluid and a surface bounding said fluid, said scattering producing an interference pattern formed by said...... scattered light, - cyclically varying the wavelength of said light in said input light path over a 1 nm to 20nm wide range of wavelengths a rate of from 10Hz to 50 KHz, - recording variation of intensity of the interfering light with change in wavelength of the light at an angle of observation...

  15. Transaction based approach

    Science.gov (United States)

    Hunka, Frantisek; Matula, Jiri

    2017-07-01

    Transaction based approach is utilized in some methodologies in business process modeling. Essential parts of these transactions are human beings. The notion of agent or actor role is usually used for them. The paper on a particular example describes possibilities of Design Engineering Methodology for Organizations (DEMO) and Resource-Event-Agent (REA) methodology. Whereas the DEMO methodology can be regarded as a generic methodology having its foundation in the theory of Enterprise Ontology the REA methodology is regarded as the domain specific methodology and has its origin in accountancy systems. The results of these approaches is that the DEMO methodology captures everything that happens in the reality with a good empirical evidence whereas the REA methodology captures only changes connected with economic events. Economic events represent either change of the property rights to economic resource or consumption or production of economic resources. This results from the essence of economic events and their connection to economic resources.

  16. Pitch Based Sound Classification

    DEFF Research Database (Denmark)

    Nielsen, Andreas Brinch; Hansen, Lars Kai; Kjems, U

    2006-01-01

    A sound classification model is presented that can classify signals into music, noise and speech. The model extracts the pitch of the signal using the harmonic product spectrum. Based on the pitch estimate and a pitch error measure, features are created and used in a probabilistic model with soft......-max output function. Both linear and quadratic inputs are used. The model is trained on 2 hours of sound and tested on publicly available data. A test classification error below 0.05 with 1 s classification windows is achieved. Further more it is shown that linear input performs as well as a quadratic......, and that even though classification gets marginally better, not much is achieved by increasing the window size beyond 1 s....

  17. Telephone-Based Coaching.

    Science.gov (United States)

    Boccio, Mindy; Sanna, Rashel S; Adams, Sara R; Goler, Nancy C; Brown, Susan D; Neugebauer, Romain S; Ferrara, Assiamira; Wiley, Deanne M; Bellamy, David J; Schmittdiel, Julie A

    2017-03-01

    Many Americans continue to smoke, increasing their risk of disease and premature death. Both telephone-based counseling and in-person tobacco cessation classes may improve access for smokers seeking convenient support to quit. Little research has assessed whether such programs are effective in real-world clinical populations. Retrospective cohort study comparing wellness coaching participants with two groups of controls. Kaiser Permanente Northern California, a large integrated health care delivery system. Two hundred forty-one patients who participated in telephonic tobacco cessation coaching from January 1, 2011, to March 31, 2012, and two control groups: propensity-score-matched controls, and controls who participated in a tobacco cessation class during the same period. Wellness coaching participants received an average of two motivational interviewing-based coaching sessions that engaged the patient, evoked their reason to consider quitting, and helped them establish a quit plan. Self-reported quitting of tobacco and fills of tobacco cessation medications within 12 months of follow-up. Logistic regressions adjusting for age, gender, race/ethnicity, and primary language. After adjusting for confounders, tobacco quit rates were higher among coaching participants vs. matched controls (31% vs. 23%, p Coaching participants and class attendees filled tobacco-cessation prescriptions at a higher rate (47% for both) than matched controls (6%, p coaching was as effective as in-person classes and was associated with higher rates of quitting compared to no treatment. The telephonic modality may increase convenience and scalability for health care systems looking to reduce tobacco use and improve health.

  18. Model Based Temporal Reasoning

    Science.gov (United States)

    Rabin, Marla J.; Spinrad, Paul R.; Fall, Thomas C.

    1988-03-01

    Systems that assess the real world must cope with evidence that is uncertain, ambiguous, and spread over time. Typically, the most important function of an assessment system is to identify when activities are occurring that are unusual or unanticipated. Model based temporal reasoning addresses both of these requirements. The differences among temporal reasoning schemes lies in the methods used to avoid computational intractability. If we had n pieces of data and we wanted to examine how they were related, the worst case would be where we had to examine every subset of these points to see if that subset satisfied the relations. This would be 2n, which is intractable. Models compress this; if several data points are all compatible with a model, then that model represents all those data points. Data points are then considered related if they lie within the same model or if they lie in models that are related. Models thus address the intractability problem. They also address the problem of determining unusual activities if the data do not agree with models that are indicated by earlier data then something out of the norm is taking place. The models can summarize what we know up to that time, so when they are not predicting correctly, either something unusual is happening or we need to revise our models. The model based reasoner developed at Advanced Decision Systems is thus both intuitive and powerful. It is currently being used on one operational system and several prototype systems. It has enough power to be used in domains spanning the spectrum from manufacturing engineering and project management to low-intensity conflict and strategic assessment.

  19. Mainstreaming gesture based interfaces

    Directory of Open Access Journals (Sweden)

    David Procházka

    2013-01-01

    Full Text Available Gestures are a common way of interaction with mobile devices. They emerged especially with the iPhone production. Gestures in currently used devices are usually based on the original gestures presented by Apple in its iOS (iPhone Operating System. Therefore, there is a wide agreement on the mobile gesture design. In last years, it is possible to see experiments with gesture usage also in the other areas of consumer electronics and computers. The examples can include televisions, large projections etc. These gestures can be marked as spatial or 3D gestures. They are connected with a natural 3D environment rather than with a flat 2D screen. Nevertheless, it is hard to find a comparable design agreement within the spatial gestures. Various projects are based on completely different gesture sets. This situation is confusing for their users and slows down spatial gesture adoption.This paper is focused on the standardization of spatial gestures. The review of projects focused on spatial gesture usage is provided in the first part. The main emphasis is placed on the usability point-of-view. On the basis of our analysis, we argue that the usability is the key issue enabling the wide adoption. The mobile gesture emergence was possible easily because the iPhone gestures were natural. Therefore, it was not necessary to learn them.The design and implementation of our presentation software, which is controlled by gestures, is outlined in the second part of the paper. Furthermore, the usability testing results are provided as well. We have tested our application on a group of users not instructed in the implemented gestures design. These results were compared with the other ones, obtained with our original implementation. The evaluation can be used as the basis for implementation of similar projects.

  20. DNA-based machines.

    Science.gov (United States)

    Wang, Fuan; Willner, Bilha; Willner, Itamar

    2014-01-01

    The base sequence in nucleic acids encodes substantial structural and functional information into the biopolymer. This encoded information provides the basis for the tailoring and assembly of DNA machines. A DNA machine is defined as a molecular device that exhibits the following fundamental features. (1) It performs a fuel-driven mechanical process that mimics macroscopic machines. (2) The mechanical process requires an energy input, "fuel." (3) The mechanical operation is accompanied by an energy consumption process that leads to "waste products." (4) The cyclic operation of the DNA devices, involves the use of "fuel" and "anti-fuel" ingredients. A variety of DNA-based machines are described, including the construction of "tweezers," "walkers," "robots," "cranes," "transporters," "springs," "gears," and interlocked cyclic DNA structures acting as reconfigurable catenanes, rotaxanes, and rotors. Different "fuels", such as nucleic acid strands, pH (H⁺/OH⁻), metal ions, and light, are used to trigger the mechanical functions of the DNA devices. The operation of the devices in solution and on surfaces is described, and a variety of optical, electrical, and photoelectrochemical methods to follow the operations of the DNA machines are presented. We further address the possible applications of DNA machines and the future perspectives of molecular DNA devices. These include the application of DNA machines as functional structures for the construction of logic gates and computing, for the programmed organization of metallic nanoparticle structures and the control of plasmonic properties, and for controlling chemical transformations by DNA machines. We further discuss the future applications of DNA machines for intracellular sensing, controlling intracellular metabolic pathways, and the use of the functional nanostructures for drug delivery and medical applications.

  1. Base Research Program

    Energy Technology Data Exchange (ETDEWEB)

    Everett Sondreal; John Hendrikson

    2009-03-31

    In June 2009, the Energy & Environmental Research Center (EERC) completed 11 years of research under the U.S. Department of Energy (DOE) Base Cooperative Agreement No. DE-FC26-98FT40320 funded through the Office of Fossil Energy (OFE) and administered at the National Energy Technology Laboratory (NETL). A wide range of diverse research activities were performed under annual program plans approved by NETL in seven major task areas: (1) resource characterization and waste management, (2) air quality assessment and control, (3) advanced power systems, (4) advanced fuel forms, (5) value-added coproducts, (6) advanced materials, and (7) strategic studies. This report summarizes results of the 67 research subtasks and an additional 50 strategic studies. Selected highlights in the executive summary illustrate the contribution of the research to the energy industry in areas not adequately addressed by the private sector alone. During the period of performance of the agreement, concerns have mounted over the impact of carbon emissions on climate change, and new programs have been initiated by DOE to ensure that fossil fuel resources along with renewable resources can continue to supply the nation's transportation fuel and electric power. The agreement has addressed DOE goals for reductions in CO{sub 2} emissions through efficiency, capture, and sequestration while expanding the supply and use of domestic energy resources for energy security. It has further contributed to goals for near-zero emissions from highly efficient coal-fired power plants; environmental control capabilities for SO{sub 2}, NO{sub x}, fine respirable particulate (PM{sub 2.5}), and mercury; alternative transportation fuels including liquid synfuels and hydrogen; and synergistic integration of fossil and renewable resources (e.g., wind-, biomass-, and coal-based electrical generation).

  2. The office based CHIVA

    Directory of Open Access Journals (Sweden)

    Passariello F

    2013-09-01

    Full Text Available Fausto Passariello,1 Stefano Ermini,2 Massimo Cappelli,3 Roberto Delfrate,4 Claude Franceschi5 1Centro Diagnostico Aquarius, Napoli, Italy; 2Private Practice, Grassina, Italy; 3Private Practice, Firenze, Italy; 4Casa di Cure Figlie di Maria, Cremona, Italy; 5Hospital St Joseph, Service d'Explorations Vasculaires, Paris, France Abstract: The cure Conservatrice Hémodynamique de l'Insuffisance Veineuse en Ambulatoire (CHIVA can be office based (OB. The OB-CHIVA protocol is aimed at transferring CHIVA procedures to specialists rooms. The protocol will check the feasibility of OB-CHIVA, data pertaining to recurrence, and will offer the opportunity to study saphenous femoral junction (SFJ stump evolution, the role of the washing vessels and the arch recanalization rate, and gather new data about the effect of the length of the treated saphenous vein. A simplified diagnostic procedure will allow an essential ultrasound examination of the venous net while a schematic and easily readable algorithm guides therapeutic choices. The Riobamba draining crossotomy (RDC tactic is composed of a set of OB procedures. While some of these procedures are, at the moment, only proposals, others are already applied. Devices generally used in ablative procedures such as Light Amplification by Stimulated Emission of Radiation (LASER, radio frequency, steam, and mechanical devices are used in this context to serve to conservative interventions for CHIVA. New techniques have also been proposed for devalvulation and tributary disconnection. Detailed follow-up is necessary in order to determine the effects of therapy and possible disease evolution. Finally, information is added about the informed consent and the ethical considerations of OB-CHIVA research. Keywords: CHIVA, office based procedures, LASER, RF, steam

  3. Organic Biochar Based Fertilization

    Science.gov (United States)

    Schmidt, Hans-Peter; Pandit, Bishnu Hari; Cornelissen, Gerard; Kammann, Claudia

    2017-04-01

    Biochar produced in cost-efficient flame curtain kilns (Kon-Tiki) was nutrient enriched either with cow urine or with dissolved mineral (NPK) fertilizer to produce biochar-based fertilizers containing between 60-100 kg N, 5-60 kg P2O5 and 60-100 kg K2O, respectively, per ton of biochar. In 21 field trials nutrient-enriched biochars were applied at rates of 0.5 to 2 t ha-1 into the root zone of 13 different annual and perennial crops. Treatments combining biochar, compost and organic or chemical fertilizer were evaluated; control treatments contained the same amounts of nutrients but without biochar. All nutrient-enriched biochar substrates improved yields compared to their respective no-biochar controls. Biochar enriched with dissolved NPK produced on average 20% ± 5.1% (N=4) higher yields than standard NPK fertilization without biochar. Cow urine-enriched biochar blended with compost resulted on average in 123% ± 76.7% (N=13) higher yields compared to the organic farmer practice with cow urine-blended compost and outcompeted NPK-enriched biochar (same nutrient dose) by 103% ± 12.4% (N=4) on average. 21 field trials robustly revealed that low-dosage root zone application of organic biochar-based fertilizers caused substantial yield increases in rather fertile silt loam soils compared to traditional organic fertilization and to mineral NPK- or NPK-biochar fertilization. This can likely be explained by the nutrient carrier effect of biochar causing a slow nutrient release behavior, more balanced nutrient fluxes and reduced nutrient losses especially when liquid organic nutrients are used for the biochar enrichment. The results promise new pathways for optimizing organic farming and improving on-farm nutrient cycling.

  4. Loyalty-based management.

    Science.gov (United States)

    Reichheld, F F

    1993-01-01

    Despite a flurry of activities aimed at serving customers better, few companies have systematically revamped their operations with customer loyalty in mind. Instead, most have adopted improvement programs ad hoc, and paybacks haven't materialized. Building a highly loyal customer base must be integral to a company's basic business strategy. Loyalty leaders like MBNA credit cards are successful because they have designed their entire business systems around customer loyalty--a self-reinforcing system in which the company delivers superior value consistently and reinvents cash flows to find and keep high-quality customers and employees. The economic benefits of high customer loyalty are measurable. When a company consistently delivers superior value and wins customer loyalty, market share and revenues go up, and the cost of acquiring new customers goes down. The better economics mean the company can pay workers better, which sets off a whole chain of events. Increased pay boosts employee moral and commitment; as employees stay longer, their productivity goes up and training costs fall; employees' overall job satisfaction, combined with their experience, helps them serve customers better; and customers are then more inclined to stay loyal to the company. Finally, as the best customers and employees become part of the loyalty-based system, competitors are left to survive with less desirable customers and less talented employees. To compete on loyalty, a company must understand the relationships between customer retention and the other parts of the business--and be able to quantify the linkages between loyalty and profits. It involves rethinking and aligning four important aspects of the business: customers, product/service offering, employees, and measurement systems.

  5. Valuing flexibilities in the design of urban water management systems.

    Science.gov (United States)

    Deng, Yinghan; Cardin, Michel-Alexandre; Babovic, Vladan; Santhanakrishnan, Deepak; Schmitter, Petra; Meshgi, Ali

    2013-12-15

    Climate change and rapid urbanization requires decision-makers to develop a long-term forward assessment on sustainable urban water management projects. This is further complicated by the difficulties of assessing sustainable designs and various design scenarios from an economic standpoint. A conventional valuation approach for urban water management projects, like Discounted Cash Flow (DCF) analysis, fails to incorporate uncertainties, such as amount of rainfall, unit cost of water, and other uncertainties associated with future changes in technological domains. Such approach also fails to include the value of flexibility, which enables managers to adapt and reconfigure systems over time as uncertainty unfolds. This work describes an integrated framework to value investments in urban water management systems under uncertainty. It also extends the conventional DCF analysis through explicit considerations of flexibility in systems design and management. The approach incorporates flexibility as intelligent decision-making mechanisms that enable systems to avoid future downside risks and increase opportunities for upside gains over a range of possible futures. A water catchment area in Singapore was chosen to assess the value of a flexible extension of standard drainage canals and a flexible deployment of a novel water catchment technology based on green roofs and porous pavements. Results show that integrating uncertainty and flexibility explicitly into the decision-making process can reduce initial capital expenditure, improve value for investment, and enable decision-makers to learn more about system requirements during the lifetime of the project. Copyright © 2013 Elsevier Ltd. All rights reserved.

  6. REFCO83, Nuclear Fuel Cycle Cost Economics Using Discounted Cash Flow Analysis

    International Nuclear Information System (INIS)

    Delene, J.G.; Hermann, O.W.

    2001-01-01

    1 - Description of program or function: REFCO83 utilizes a discounted cash flow (DCF) analysis procedure to calculate batch, cycle, and lifetime levelized average nuclear fuel cycle costs. The DCF analysis establishes an energy 'cost' associated with the fuel by requiring that the revenues from the sale of energy be adequate to pay the required return on outstanding capital, to pay all expenses including taxes, and to retire the outstanding investment to zero by the end of the economic life of the set of fuel investments. The program uses reactor mass flow information together with individual fuel cost parameters and utility capital structure and money costs to calculate levelized costs cumulatively through any batch or cycle. 2 - Method of solution: A fuel cycle cost component is considered to be any fuel material purchase, processing cost, or discharge material credit in the complete fuel cycle. The costs for each individual component, i.e. uranium, enrichment, etc., may either be expensed or capitalized for tax purposes or, in the case of waste disposal, the cost may also be made proportional to power production. To properly account for the effect of income taxes, all calculations in REFCO83 are done using 'then' current dollars, including price escalations caused by inflation. The database used for the default values for REFCO83 was taken from the Nuclear Energy Cost Data Base. 3 - Restrictions on the complexity of the problem: The maximum number of fuel batches is 120

  7. Foundry based approach for InP based PIC development

    NARCIS (Netherlands)

    Smit, M.K.

    2014-01-01

    Europe is making significant investments in development of generic photonic foundry platform infrastructures for InP-based and Silicon Photonic ICs. Here we present the present status for the InP-based JePPIX platform.

  8. NMR studies concerning base-base interactions in oligonucleotides

    International Nuclear Information System (INIS)

    Hoogen, Y.T. van den.

    1988-01-01

    Two main subjects are treated in the present thesis. The firsst part principally deals with the base-base interactions in single-stranded oligoribonucleotides. The second part presents NMR and model-building studies of DNA and RNA duplexes containing an unpaired base. (author). 242 refs.; 26 figs.; 24 tabs

  9. Computer-based multi-channel analyzer based on internet

    International Nuclear Information System (INIS)

    Zhou Xinzhi; Ning Jiaoxian

    2001-01-01

    Combined the technology of Internet with computer-based multi-channel analyzer, a new kind of computer-based multi-channel analyzer system which is based on browser is presented. Its framework and principle as well as its implementation are discussed

  10. Base Camp Architecture

    Directory of Open Access Journals (Sweden)

    Warebi Gabriel Brisibe

    2016-03-01

    Full Text Available Longitudinal or time line studies of change in the architecture of a particular culture are common, but an area still open to further research is change across space or place. In particular, there is need for studies on architectural change of cultures stemming from the same ethnic source split between their homeland and other Diasporas. This change may range from minor deviations to drastic shifts away from an architectural norm and the accumulation of these shifts within a time frame constitutes variations. This article focuses on identifying variations in the architecture of the Ijo fishing group that migrates along the coastline of West Africa. It examines the causes of cross-cultural variation between base camp dwellings of Ijo migrant fishermen in the Bakassi Peninsula in Cameroon and Bayelsa State in Nigeria. The study draws on the idea of the inevitability of cultural and social change over time as proposed in the theories of cultural dynamism and evolution. It tests aspects of cultural transmission theory using the principal coordinates analysis to ascertain the possible causes of variation. From the findings, this research argues that migration has enhanced the forces of cultural dynamism, which have resulted in significant variations in the architecture of this fishing group.

  11. Evidence-based management.

    Science.gov (United States)

    Pfeffer, Jeffrey; Sutton, Robert I

    2006-01-01

    For the most part, managers looking to cure their organizational ills rely on obsolete knowledge they picked up in school, long-standing but never proven traditions, patterns gleaned from experience, methods they happen to be skilled in applying, and information from vendors. They could learn a thing or two from practitioners of evidence-based medicine, a movement that has taken the medical establishment by storm over the past decade. A growing number of physicians are eschewing the usual, flawed resources and are instead identifying, disseminating, and applying research that is soundly conducted and clinically relevant. It's time for managers to do the same. The challenge is, quite simply, to ground decisions in the latest and best knowledge of what actually works. In some ways, that's more difficult to do in business than in medicine. The evidence is weaker in business; almost anyone can (and many people do) claim to be a management expert; and a motley crew of sources--Shakespeare, Billy Graham,Jack Welch, Attila the Hunare used to generate management advice. Still, it makes sense that when managers act on better logic and strong evidence, their companies will beat the competition. Like medicine, management is learned through practice and experience. Yet managers (like doctors) can practice their craft more effectively if they relentlessly seek new knowledge and insight, from both inside and outside their companies, so they can keep updating their assumptions, skills, and knowledge.

  12. Skull base tumors

    International Nuclear Information System (INIS)

    Kikinis, R.; Matsumae, M.; Jolesz, F.A.; Black, P.M.; Cline, H.E.; Lorenson, W.E.

    1991-01-01

    This paper reports on an image processing procedure for the planning of surgery of skull base tumors that can extract bone, vessels, tumor, and brain parenchyma and that permits resolution of cranial nerves. Three-dimensional (3D) reconstructions were generated from double-echo long TR interleaved conventional spin-echo and fast-spin-echo MR imaging data. Sixteen cases have been analyzed preoperatively. Image processing consisted of a multistep procedure combining a supervised multivariate analysis with neighborhood operations such as connectivity and erosion/dilation. 3D renderings of anatomic structures of interest were then generated. Cases were evaluated preoperatively and manipulated interactively with the computer-generated images by a team consisting of neuroradiologists, neurosurgeons, and craniofacial surgeons. The preparation of 3D reconstructions required only a few hours and was performed mostly by a research assistant. The preoperative analysis of the 3D reconstructions was found to be a valuable tool, providing information complementing the surgeon's understanding of a case as derived from conventional imaging. The interactive manipulation of data proved to be a powerful way to evaluate alternative surgical approaches

  13. Constraint-based scheduling

    Science.gov (United States)

    Zweben, Monte

    1993-01-01

    The GERRY scheduling system developed by NASA Ames with assistance from the Lockheed Space Operations Company, and the Lockheed Artificial Intelligence Center, uses a method called constraint-based iterative repair. Using this technique, one encodes both hard rules and preference criteria into data structures called constraints. GERRY repeatedly attempts to improve schedules by seeking repairs for violated constraints. The system provides a general scheduling framework which is being tested on two NASA applications. The larger of the two is the Space Shuttle Ground Processing problem which entails the scheduling of all the inspection, repair, and maintenance tasks required to prepare the orbiter for flight. The other application involves power allocation for the NASA Ames wind tunnels. Here the system will be used to schedule wind tunnel tests with the goal of minimizing power costs. In this paper, we describe the GERRY system and its application to the Space Shuttle problem. We also speculate as to how the system would be used for manufacturing, transportation, and military problems.

  14. Refractory metal based superalloys

    International Nuclear Information System (INIS)

    Alonso, Paula R.; Vicente, Eduardo E.; Rubiolo, Gerardo H.

    1999-01-01

    Refractory metals are looked as promising materials for primary circuits in fission reactors and even as fusion reactor components. Indeed, superalloys could be developed which take advantage of their high temperature properties together with the benefits of a two- phase (intermetallic compound-refractory metal matrix) coherent structure. In 1993, researchers of the Office National d'Etudes et de Recherches Aerospatiales of France reported the observation of such a coherent structure in the Ta-Ti-Zr-Al-Nb-Mo system although the exact composition is not reported. The intermetallic compound would be Ti 2 AlMo based. However, the formation of this compound and its possible coexistence with a disordered bcc phase in the ternary system Ti-Al-Mo is a controversial subject in the related literature. In this work we develop a technique to obtain homogeneous alloys samples with 50 Ti-25 Al-25 Mo composition. The resulting specimens were characterized by optical and electronic metallography (SEM), microprobe composition measurements (EPMA) and X-ray diffraction (XRD) analyses. The results show the evidence for a bcc (A2→B2) ordering reaction in the Ti-Al-Mo system in the 50 Ti-25 Al-25 Mo composition. (author)

  15. Fluorescence lifetime based bioassays

    Science.gov (United States)

    Meyer-Almes, Franz-Josef

    2017-12-01

    Fluorescence lifetime (FLT) is a robust intrinsic property and material constant of fluorescent matter. Measuring this important physical indicator has evolved from a laboratory curiosity to a powerful and established technique for a variety of applications in drug discovery, medical diagnostics and basic biological research. This distinct trend was mainly driven by improved and meanwhile affordable laser and detection instrumentation on the one hand, and the development of suitable FLT probes and biological assays on the other. In this process two essential working approaches emerged. The first one is primarily focused on high throughput applications employing biochemical in vitro assays with no requirement for high spatial resolution. The second even more dynamic trend is the significant expansion of assay methods combining highly time and spatially resolved fluorescence data by fluorescence lifetime imaging. The latter approach is currently pursued to enable not only the investigation of immortal tumor cell lines, but also specific tissues or even organs in living animals. This review tries to give an actual overview about the current status of FLT based bioassays and the wide range of application opportunities in biomedical and life science areas. In addition, future trends of FLT technologies will be discussed.

  16. Carbon nanotube based photocathodes

    International Nuclear Information System (INIS)

    Hudanski, Ludovic; Minoux, Eric; Schnell, Jean-Philippe; Xavier, Stephane; Pribat, Didier; Legagneux, Pierre; Gangloff, Laurent; Teo, Kenneth B K; Robertson, John; Milne, William I

    2008-01-01

    This paper describes a novel photocathode which is an array of vertically aligned multi-walled carbon nanotubes (MWCNTs), each MWCNT being associated with one p-i-n photodiode. Unlike conventional photocathodes, the functions of photon-electron conversion and subsequent electron emission are physically separated. Photon-electron conversion is achieved with p-i-n photodiodes and the electron emission occurs from the MWCNTs. The current modulation is highly efficient as it uses an optically controlled reconfiguration of the electric field at the MWCNT locations. Such devices are compatible with high frequency and very large bandwidth operation and could lead to their application in compact, light and efficient microwave amplifiers for satellite telecommunication. To demonstrate this new photocathode concept, we have fabricated the first carbon nanotube based photocathode using silicon p-i-n photodiodes and MWCNT bunches. Using a green laser, this photocathode delivers 0.5 mA with an internal quantum efficiency of 10% and an I ON /I OFF ratio of 30

  17. Based on Channel Characteristics

    Directory of Open Access Journals (Sweden)

    Zhuo Hao

    2013-01-01

    Full Text Available A number of key agreement schemes based on wireless channel characteristics have been proposed recently. However, previous key agreement schemes require that two nodes which need to agree on a key are within the communication range of each other. Hence, they are not suitable for multihop wireless networks, in which nodes do not always have direct connections with each other. In this paper, we first propose a basic multihop key agreement scheme for wireless ad hoc networks. The proposed basic scheme is resistant to external eavesdroppers. Nevertheless, this basic scheme is not secure when there exist internal eavesdroppers or Man-in-the-Middle (MITM adversaries. In order to cope with these adversaries, we propose an improved multihop key agreement scheme. We show that the improved scheme is secure against internal eavesdroppers and MITM adversaries in a single path. Both performance analysis and simulation results demonstrate that the improved scheme is efficient. Consequently, the improved key agreement scheme is suitable for multihop wireless ad hoc networks.

  18. Biosensors based on cantilevers.

    Science.gov (United States)

    Alvarez, Mar; Carrascosa, Laura G; Zinoviev, Kiril; Plaza, Jose A; Lechuga, Laura M

    2009-01-01

    Microcantilevers based-biosensors are a new label-free technique that allows the direct detection of biomolecular interactions in a label-less way and with great accuracy by translating the biointeraction into a nanomechanical motion. Low cost and reliable standard silicon technologies are widely used for the fabrication of cantilevers with well-controlled mechanical properties. Over the last years, the number of applications of these sensors has shown a fast growth in diverse fields, such as genomic or proteomic, because of the biosensor flexibility, the low sample consumption, and the non-pretreated samples required. In this chapter, we report a dedicated design and a fabrication process of highly sensitive microcantilever silicon sensors. We will describe as well an application of the device in the environmental field showing the immunodetection of an organic toxic pesticide as an example. The cantilever biofunctionalization process and the subsequent pesticide determination are detected in real time by monitoring the nanometer-scale bending of the microcantilever due to a differential surface stress generated between both surfaces of the device.

  19. Flow-Based Provenance

    Directory of Open Access Journals (Sweden)

    Sabah Al-Fedaghi

    2017-02-01

    Full Text Available Aim/Purpose: With information almost effortlessly created and spontaneously available, current progress in Information and Communication Technology (ICT has led to the complication that information must be scrutinized for trustworthiness and provenance. Information systems must become provenance-aware to be satisfactory in accountability, reproducibility, and trustworthiness of data. Background:\tMultiple models for abstract representation of provenance have been proposed to describe entities, people, and activities involved in producing a piece of data, including the Open Provenance Model (OPM and the World Wide Web Consortium. These models lack certain concepts necessary for specifying workflows and encoding the provenance of data products used and generated. Methodology: Without loss of generality, the focus of this paper is on OPM depiction of provenance in terms of a directed graph. We have redrawn several case studies in the framework of our proposed model in order to compare and evaluate it against OPM for representing these cases. Contribution: This paper offers an alternative flow-based diagrammatic language that can form a foundation for modeling of provenance. The model described here provides an (abstract machine-like representation of provenance. Findings: The results suggest a viable alternative in the area of diagrammatic representation for provenance applications. Future Research: Future work will seek to achieve more accurate comparisons with current models in the field.

  20. Communication Base Station Log Analysis Based on Hierarchical Clustering

    Directory of Open Access Journals (Sweden)

    Zhang Shao-Hua

    2017-01-01

    Full Text Available Communication base stations generate massive data every day, these base station logs play an important value in mining of the business circles. This paper use data mining technology and hierarchical clustering algorithm to group the scope of business circle for the base station by recording the data of these base stations.Through analyzing the data of different business circle based on feature extraction and comparing different business circle category characteristics, which can choose a suitable area for operators of commercial marketing.

  1. Mindfulness-Based Stress Reduction

    Science.gov (United States)

    ... R S T U V W X Y Z Mindfulness-Based Stress Reduction (MBSR) Information 6 Things You ... Disease and Dementia (12/20/13) Research Spotlights Mindfulness-Based Stress Reduction, Cognitive-Behavioral Therapy Shown To ...

  2. Risk-based configuration control

    International Nuclear Information System (INIS)

    Szikszai, T.

    1997-01-01

    The presentation discusses the following issues: The Configuration Control; The Risk-based Configuration Control (during power operation mode, and during shutdown mode). PSA requirements. Use of Risk-based Configuration Control System. Configuration Management (basic elements, benefits, information requirements)

  3. OLBS: Offline location based services

    OpenAIRE

    Coelho, P; Ana Aguiar; João Correia Lopes

    2011-01-01

    Most existing location-based services rely on ubiquitous connectivity to deliver location-based contents to the users. However, connectivity is not available anywhere at anytime even in urban centres. Underground, indoors, remote areas, and foreign countries are examples situations where users commonly do not have guaranteed connectivity but could profit from location-based contents. In this work, we propose an open platform for publishing, distributing and maintaining location-based contents...

  4. ‘"Education-based Research"

    DEFF Research Database (Denmark)

    Degn Johansson, Troels

    This paper lays out a concept of education-based research-the production of research knowledge within the framework of tertiary design education-as an integration of problem-based learning and research-based education. This leads to a critique of reflective practice as the primary way to facilitate...... learning at this level, a discussion of the nature of design problems in the instrumentalist tradition, and some suggestions as to how design studies curricula may facilitate education-based research....

  5. Health Physics Positions Data Base

    International Nuclear Information System (INIS)

    Kerr, G.D.; Borges, T.; Stafford, R.S.; Lu, P.Y.; Carter, D.

    1992-05-01

    The Health Physics Positions (HPPOS) Data Base of the Nuclear Regulatory Commission (NRC) is a collection of summaries of NRC staff positions on a wide range of topics in radiation protection (health physics). The bases for the data base are 247 original documents in the form of letters, memoranda, and excerpts from technical reports. The HPPOS Data Base was developed by the NRC Headquarters and Regional Offices to help ensure uniformity in inspections, enforcement, and licensing actions

  6. Memory-Based Shallow Parsing

    OpenAIRE

    Sang, Erik F. Tjong Kim

    2002-01-01

    We present memory-based learning approaches to shallow parsing and apply these to five tasks: base noun phrase identification, arbitrary base phrase recognition, clause detection, noun phrase parsing and full parsing. We use feature selection techniques and system combination methods for improving the performance of the memory-based learner. Our approach is evaluated on standard data sets and the results are compared with that of other systems. This reveals that our approach works well for ba...

  7. Lunar Base Heat Pump

    Science.gov (United States)

    Walker, D.; Fischbach, D.; Tetreault, R.

    1996-01-01

    The objective of this project was to investigate the feasibility of constructing a heat pump suitable for use as a heat rejection device in applications such as a lunar base. In this situation, direct heat rejection through the use of radiators is not possible at a temperature suitable for lde support systems. Initial analysis of a heat pump of this type called for a temperature lift of approximately 378 deg. K, which is considerably higher than is commonly called for in HVAC and refrigeration applications where heat pumps are most often employed. Also because of the variation of the rejection temperature (from 100 to 381 deg. K), extreme flexibility in the configuration and operation of the heat pump is required. A three-stage compression cycle using a refrigerant such as CFC-11 or HCFC-123 was formulated with operation possible with one, two or three stages of compression. Also, to meet the redundancy requirements, compression was divided up over multiple compressors in each stage. A control scheme was devised that allowed these multiple compressors to be operated as required so that the heat pump could perform with variable heat loads and rejection conditions. A prototype heat pump was designed and constructed to investigate the key elements of the high-lift heat pump concept. Control software was written and implemented in the prototype to allow fully automatic operation. The heat pump was capable of operation over a wide range of rejection temperatures and cooling loads, while maintaining cooling water temperature well within the required specification of 40 deg. C +/- 1.7 deg. C. This performance was verified through testing.

  8. Performance-Based Funding Brief

    Science.gov (United States)

    Washington Higher Education Coordinating Board, 2011

    2011-01-01

    A number of states have made progress in implementing performance-based funding (PFB) and accountability. This policy brief summarizes main features of performance-based funding systems in three states: Tennessee, Ohio, and Indiana. The brief also identifies key issues that states considering performance-based funding must address, as well as…

  9. Benefit-based tree valuation

    Science.gov (United States)

    E.G. McPherson

    2007-01-01

    Benefit-based tree valuation provides alternative estimates of the fair and reasonable value of trees while illustrating the relative contribution of different benefit types. This study compared estimates of tree value obtained using cost- and benefit-based approaches. The cost-based approach used the Council of Landscape and Tree Appraisers trunk formula method, and...

  10. Different perspectives on economic base.

    Science.gov (United States)

    Lisa K. Crone; Richard W. Haynes; Nicholas E. Reyna

    1999-01-01

    Two general approaches for measuring the economic base are discussed. Each method is used to define the economic base for each of the counties included in the Interior Columbia Basin Ecosystem Management Project area. A more detailed look at four selected counties results in similar findings from different approaches. Limitations of economic base analysis also are...

  11. Memory-Based Shallow Parsing

    NARCIS (Netherlands)

    Tjong Kim Sang, E.F.

    2002-01-01

    We present memory-based learning approaches to shallow parsing and apply these to five tasks: base noun phrase identification, arbitrary base phrase recognition, clause detection, noun phrase parsing and full parsing. We use feature selection techniques and system combination methods for improving

  12. Condition based spare parts supply

    NARCIS (Netherlands)

    Lin, X.; Basten, Robertus Johannes Ida; Kranenburg, A.A.; van Houtum, Geert-Jan

    2012-01-01

    We consider a spare parts stock point that serves an installed base of machines. Each machine contains the same critical component, whose degradation behavior is described by a Markov process. We consider condition based spare parts supply, and show that an optimal, condition based inventory policy

  13. Diclofenac enhances proinflammatory cytokine-induced nitric oxide production through NF-κB signaling in cultured astrocytes

    International Nuclear Information System (INIS)

    Kakita, Hiroki; Aoyama, Mineyoshi; Hussein, Mohamed Hamed; Kato, Shin; Suzuki, Satoshi; Ito, Tetsuya; Togari, Hajime; Asai, Kiyofumi

    2009-01-01

    Recently, the number of reports of encephalitis/encephalopathy associated with influenza virus has increased. In addition, the use of a non-steroidal anti-inflammatory drug, diclofenac sodium (DCF), is associated with a significant increase in the mortality rate of influenza-associated encephalopathy. Activated astrocytes are a source of nitric oxide (NO), which is largely produced by inducible NO synthase (iNOS) in response to proinflammatory cytokines. Therefore, we investigated whether DCF enhances nitric oxide production in astrocytes stimulated with proinflammatory cytokines. We stimulated cultured rat astrocytes with three cytokines, interleukin-1β, tumor necrosis factor-α and interferon-γ, and then treated the astrocytes with DCF or acetaminophen (N-acetyl-p-aminophenol: APAP). iNOS and NO production in astrocyte cultures were induced by proinflammatory cytokines. The addition of DCF augmented NO production, but the addition of APAP did not. NF-κB inhibitors SN50 and MG132 inhibited iNOS gene expression in cytokine-stimulated astrocytes with or without DCF. Similarly, NF-κB p65 Stealth small interfering RNA suppressed iNOS gene expression in cytokine-stimulated astrocytes with or without DCF. LDH activity and DAPI staining showed that DCF induces cell damage in cytokine-stimulated astrocytes. An iNOS inhibitor, L-NMMA, inhibited the cytokine- and DCF-induced cell damage. In conclusion, this study demonstrates that iNOS and NO are induced in astrocyte cultures by proinflammatory cytokines. Addition of DCF further augments NO production. This effect is mediated via NF-κB signaling and leads to cell damage. The enhancement of DCF on NO production may explain the significant increase in the mortality rate of influenza-associated encephalopathy in patients treated with DCF.

  14. Evidence-based dentistry.

    Science.gov (United States)

    Chambers, David W

    2010-01-01

    Both panegyric and criticism of evidence-based dentistry tend to be clumsy because the concept is poorly defined. This analysis identifies several contributions to the profession that have been made under the EBD banner. Although the concept of clinicians integrating clinical epidemiology, the wisdom of their practices, and patients' values is powerful, its implementation has been distorted by a too heavy emphasis of computerized searches for research findings that meet the standards of academics. Although EBD advocates enjoy sharing anecdotal accounts of mistakes others have made, faulting others is not proof that one's own position is correct. There is no systematic, high-quality evidence that EBD is effective. The metaphor of a three-legged stool (evidence, experience, values, and integration) is used as an organizing principle. "Best evidence" has become a preoccupation among EBD enthusiasts. That overlong but thinly developed leg of the stool is critiqued from the perspectives of the criteria for evidence, the difference between internal and external validity, the relationship between evidence and decision making, the ambiguous meaning of "best," and the role of reasonable doubt. The strongest leg of the stool is clinical experience. Although bias exists in all observations (including searches for evidence), there are simple procedures that can be employed in practice to increase useful and objective evidence there, and there are dangers in delegating policy regarding allowable treatments to external groups. Patient and practitioner values are the shortest leg of the stool. As they are so little recognized, their integration in EBD is problematic and ethical tensions exist where paternalism privileges science over patient's self-determined best interests. Four potential approaches to integration are suggested, recognizing that there is virtually no literature on how the "seat" of the three-legged stool works or should work. It is likely that most dentists

  15. Barrier Data Base user's guide

    International Nuclear Information System (INIS)

    Worrell, R.B.; Gould, D.J.; Wall, D.W.

    1977-06-01

    A special purpose data base for physical security barriers has been developed. In addition to barriers, the entities accommodated by the Barrier Data Base (BDB) include threats and references. A threat is established as a configuration of people and equipment which has been employed to penetrate (or attempt to penetrate) a barrier. References are used to cite publications pertinent to the barriers and threats in the data base. Utilization and maintenance of the Barrier Data Base is achieved with LIST, QUERY, ENTER, DELETE, and CHANGE commands which are used to manipulate the data base entities

  16. From oil-based mud to water-based mud

    International Nuclear Information System (INIS)

    Christiansen, C.

    1991-01-01

    Maersk Olie og Gas AS has used low toxic oil-based muds extensively since 1982 for drilling development wells and later in the development of horizontal well drilling techniques. However, in view of the strong drive towards a reduction in the amount of oil discharged to the North Sea from the oil industry, Maersk Olie og Gas AS initiated trials with new or improved types of water-based mud, first in deviated wells (1989) and then in horizontal wells (1990). The paper reviews Maersk Olie og Gas As experience with oil-based mud since the drilling of the first horizontal well in 1987, specifically with respect to cuttings washing equipment, oil retention on cuttings, and the procedure for monitoring of this parameter. It describes the circumstances leading to the decision to revert to water-based mud systems. Finally, it reviews the experience gained so far with the new improved types of water-based mud systems, mainly glycol and KCl/polymer mud systems. Comparison of operational data, such as rate of penetration, torque and drag, etc., is made between wells drilled with oil-based mud and water-based mud. The trials with the new improved types of water-based mud systems have been positive, i.e. horizontal wells can be drilled successfully with water-based mud. As a result, Maersk Olie og and Gas AS has decided to discontinue the use of low toxic oil-based muds in the Danish sector of the North Sea

  17. Workplace Based Assessment in Psychiatry

    Directory of Open Access Journals (Sweden)

    Ayse Devrim Basterzi

    2009-11-01

    Full Text Available Workplace based assessment refers to the assessment of working practices based on what doctors actually do in the workplace, and is predominantly carried out in the workplace itself. Assessment drives learning and it is therefore essential that workplace-based assessment focuses on important attributes rather than what is easiest to assess. Workplacebased assessment is usually competency based. Workplace based assesments may well facilitate and enhance various aspects of educational supervisions, including its structure, frequency and duration etc. The structure and content of workplace based assesments should be monitored to ensure that its benefits are maximised by remaining tailored to individual trainees' needs. Workplace based assesment should be used for formative and summative assessments. Several formative assessment methods have been developed for use in the workplace such as mini clinical evaluation exercise (mini-cex, evidence based journal club assesment and case based discussion, multi source feedback etc. This review discusses the need of workplace based assesments in psychiatry graduate education and introduces some of the work place based assesment methods.

  18. Case-based reasoning: The marriage of knowledge base and data base

    Science.gov (United States)

    Pulaski, Kirt; Casadaban, Cyprian

    1988-01-01

    The coupling of data and knowledge has a synergistic effect when building an intelligent data base. The goal is to integrate the data and knowledge almost to the point of indistinguishability, permitting them to be used interchangeably. Examples given in this paper suggest that Case-Based Reasoning is a more integrated way to link data and knowledge than pure rule-based reasoning.

  19. Knowledge base verification based on enhanced colored petri net

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Jong Hyun; Seong, Poong Hyun [Korea Advanced Institute of Science and Technology, Taejon (Korea, Republic of)

    1997-12-31

    Verification is a process aimed at demonstrating whether a system meets it`s specified requirements. As expert systems are used in various applications, the knowledge base verification of systems takes an important position. The conventional Petri net approach that has been studied recently in order to verify the knowledge base is found that it is inadequate to verify the knowledge base of large and complex system, such as alarm processing system of nuclear power plant. Thus, we propose an improved method that models the knowledge base as enhanced colored Petri net. In this study, we analyze the reachability and the error characteristics of the knowledge base and apply the method to verification of simple knowledge base. 8 refs., 4 figs. (Author)

  20. Knowledge base verification based on enhanced colored petri net

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Jong Hyun; Seong, Poong Hyun [Korea Advanced Institute of Science and Technology, Taejon (Korea, Republic of)

    1998-12-31

    Verification is a process aimed at demonstrating whether a system meets it`s specified requirements. As expert systems are used in various applications, the knowledge base verification of systems takes an important position. The conventional Petri net approach that has been studied recently in order to verify the knowledge base is found that it is inadequate to verify the knowledge base of large and complex system, such as alarm processing system of nuclear power plant. Thus, we propose an improved method that models the knowledge base as enhanced colored Petri net. In this study, we analyze the reachability and the error characteristics of the knowledge base and apply the method to verification of simple knowledge base. 8 refs., 4 figs. (Author)