Sample records for create adjustable output

  1. Output filters for AC adjustable speed drives

    DEFF Research Database (Denmark)

    Blaabjerg, Frede; Hanigovszki, Norbert; Landkildehus, Jorn, Jorn


    The standard industrial solution for adjustable speed drives (ASD) is the use of induction motors (IM) fed by voltage-source inverters (VSI). The inverter generates a pulsewidth modulated (PWM) voltage, with dv/dt values of about 6 kV/¿s or even more. In three-leg inverters for three......-phase applications the occurrence of common-mode (CM) voltage is inherent due to asymmetrical output pulses [1]. Consequently, several secondary effects arise at the inverter's output: high-frequency conducted and radiated emissions, leakage current, motor insulation stress due to wave reflection [2], bearing stress...... due to bearing currents, acoustic switching noise. Depending on the specific application, the mitigation of some of these effects (or all) might be necessary. The common solution for mitigating the secondary effects at the output of PWM-VSI is the use of output filters [3],[5],[6]. Several types...

  2. Measuring Equity: Creating a New Standard for Inputs and Outputs (United States)

    Knoeppel, Robert C.; Della Sala, Matthew R.


    The purpose of this article is to introduce a new statistic to capture the ratio of equitable student outcomes given equitable inputs. Given the fact that finance structures should be aligned to outcome standards according to judicial interpretation, a ratio of outputs to inputs, or "equity ratio," is introduced to discern if conclusions can be…

  3. On the Output-Inflation Relationship When Price and Quantity Adjustments are Costly

    DEFF Research Database (Denmark)

    Danziger, Leif; Kreiner, Claus Thustrup

    A vast literature analyzes the real effects of price-adjustment costs assuming that quantity adjustments are costless. In this paper, we analyze whether the presence of quantity-adjustments costs, which presumably are significant, change the traditional results on the impact of inflation....... In particular, recent findings suggest that quantity-adjustment costs may remove the linkage between output and inflation. We show that this is not the case when inflation is anticipated. On the contrary, quantity-adjustment costs may significantly amplify the consequences of price-adjustment costs...

  4. Social networking for language learners: Creating meaningful output with Web 2.0 tools

    Directory of Open Access Journals (Sweden)

    Robert Chartrand


    Full Text Available The Internet has the potential to provide language learners with vast resources of authentic written, audio, and video materials to supplement lessons. Educators can find a wide assortment of materials for learners to study in class or after class for independent learning and to encourage learner autonomy. More recently, however, the immense popularity of social networking websites has created new opportunities for language learners to interact in authentic ways that were previously difficult to achieve. Advances in technology mean that today, learners of a language can easily interact with their peers in meaningful practice that helps foster language acquisition and motivation. That is, tasks that make use of Web 2.0 interactivity can significantly raise students’ potential to generate meaningful output and stimulate their interest in language learning.

  5. Interaction between Purkinje cells and inhibitory interneurons may create adjustable output waveforms to generate timed cerebellar output.

    Directory of Open Access Journals (Sweden)

    Simon Hong

    Full Text Available We develop a new model that explains how the cerebellum may generate the timing in classical delay eyeblink conditioning. Recent studies show that both Purkinje cells (PCs and inhibitory interneurons (INs have parallel signal processing streams with two time scales: an AMPA receptor-mediated fast process and a metabotropic glutamate receptor (mGluR-mediated slow process. Moreover, one consistent finding is an increased excitability of PC dendrites (in Larsell's lobule HVI in animals when they acquire the classical delay eyeblink conditioning naturally, in contrast to in vitro studies, where learning involves long-term depression (LTD. Our model proposes that the delayed response comes from the slow dynamics of mGluR-mediated IP3 activation, and the ensuing calcium concentration change, and not from LTP/LTD. The conditioned stimulus (tone, arriving on the parallel fibers, triggers this slow activation in INs and PC spines. These excitatory (from PC spines and inhibitory (from INs signals then interact at the PC dendrites to generate variable waveforms of PC activation. When the unconditioned stimulus (puff, arriving on the climbing fibers, is coupled frequently with this slow activation the waveform is amplified (due to an increased excitability and leads to a timed pause in the PC population. The disinhibition of deep cerebellar nuclei by this timed pause causes the delayed conditioned response. This suggested PC-IN interaction emphasizes a richer role of the INs in learning and also conforms to the recent evidence that mGluR in the cerebellar cortex may participate in slow motor execution. We show that the suggested mechanism can endow the cerebellar cortex with the versatility to learn almost any temporal pattern, in addition to those that arise in classical conditioning.

  6. Adjustment of regional climate model output for modeling the climatic mass balance of all glaciers on Svalbard. (United States)

    Möller, Marco; Obleitner, Friedrich; Reijmer, Carleen H; Pohjola, Veijo A; Głowacki, Piotr; Kohler, Jack


    Large-scale modeling of glacier mass balance relies often on the output from regional climate models (RCMs). However, the limited accuracy and spatial resolution of RCM output pose limitations on mass balance simulations at subregional or local scales. Moreover, RCM output is still rarely available over larger regions or for longer time periods. This study evaluates the extent to which it is possible to derive reliable region-wide glacier mass balance estimates, using coarse resolution (10 km) RCM output for model forcing. Our data cover the entire Svalbard archipelago over one decade. To calculate mass balance, we use an index-based model. Model parameters are not calibrated, but the RCM air temperature and precipitation fields are adjusted using in situ mass balance measurements as reference. We compare two different calibration methods: root mean square error minimization and regression optimization. The obtained air temperature shifts (+1.43°C versus +2.22°C) and precipitation scaling factors (1.23 versus 1.86) differ considerably between the two methods, which we attribute to inhomogeneities in the spatiotemporal distribution of the reference data. Our modeling suggests a mean annual climatic mass balance of -0.05 ± 0.40 m w.e. a-1 for Svalbard over 2000-2011 and a mean equilibrium line altitude of 452 ± 200 m  above sea level. We find that the limited spatial resolution of the RCM forcing with respect to real surface topography and the usage of spatially homogeneous RCM output adjustments and mass balance model parameters are responsible for much of the modeling uncertainty. Sensitivity of the results to model parameter uncertainty is comparably small and of minor importance.

  7. Global adjustment for creating extended panoramic images in video-dermoscopy (United States)

    Faraz, Khuram; Blondel, Walter; Daul, Christian


    This contribution presents a fast global adjustment scheme exploiting SURF descriptor locations for constructing large skin mosaics. Precision in pairwise image registration is well-preserved while significantly reducing the global mosaicing error.

  8. Adjustment of regional climate model output for modeling the climatic mass balance of all glaciers on Svalbard.

    NARCIS (Netherlands)

    Möller, M.; Obleitner, F.; Reijmer, C.H.; Pohjola, V.A.; Glowacki, P.; Kohler, J.


    Large-scale modeling of glacier mass balance relies often on the output from regional climate models (RCMs). However, the limited accuracy and spatial resolution of RCM output pose limitations on mass balance simulations at subregional or local scales. Moreover, RCM output is still rarely available

  9. Families created through surrogacy: mother-child relationships and children's psychological adjustment at age 7. (United States)

    Golombok, Susan; Readings, Jennifer; Blake, Lucy; Casey, Polly; Marks, Alex; Jadva, Vasanti


    Each year, an increasing number of children are born through surrogacy and thus lack a genetic and/or gestational link with their mother. This study examined the impact of surrogacy on mother-child relationships and children's psychological adjustment. Assessments of maternal positivity, maternal negativity, mother-child interaction, and child adjustment were administered to 32 surrogacy, 32 egg donation, and 54 natural conception families with a 7-year-old child. No differences were found for maternal negativity, maternal positivity, or child adjustment, although the surrogacy and egg donation families showed less positive mother-child interaction than the natural conception families. The findings suggest that both surrogacy and egg donation families function well in the early school years.

  10. Families Created through Surrogacy: Mother-Child Relationships and Children's Psychological Adjustment at Age 7 (United States)

    Golombok, Susan; Readings, Jennifer; Blake, Lucy; Casey, Polly; Marks, Alex; Jadva, Vasanti


    Each year, an increasing number of children are born through surrogacy and thus lack a genetic and/or gestational link with their mother. This study examined the impact of surrogacy on mother-child relationships and children's psychological adjustment. Assessments of maternal positivity, maternal negativity, mother-child interaction, and child…




  12. Families created through surrogacy: Mother-child relationships and children’s psychological adjustment at age 7 (United States)

    Golombok, Susan; Readings, Jennifer; Blake, Lucy; Casey, Polly; Marks, Alex; Jadva, Vasanti


    Each year, an increasing number of children are born through surrogacy and thus lack a genetic and/or gestational link with their mother. This study examined the impact of surrogacy on mother-child relationships and children’s psychological adjustment. Assessments of maternal positivity, maternal negativity, mother-child interaction and child adjustment were administered to 32 surrogacy, 32 egg donation and 54 natural conception families with a 7-year-old child. No differences were found for maternal negativity, maternal positivity or child adjustment, although the surrogacy and egg donation families showed less positive mother-child interaction than the natural conception families. The findings suggest that both surrogacy and egg donation families function well in the early school years. PMID:21895360

  13. Are All Identity Commitments Created Equally? The Importance of Motives for Commitment for Late Adolescents' Personal Adjustment (United States)

    Soenens, Bart; Berzonsky, Michael D.; Dunkel, Curtis S.; Papini, Dennis R.; Vansteenkiste, Maarten


    On the basis of self-determination theory it is proposed that adolescents' motives for forming and maintaining identity-relevant commitments can be either autonomous or controlled in nature. This study examined whether motives for identity commitments would add to the prediction of late adolescents' adjustment beyond the effect of strength of…

  14. Regularities of the dynamic adjustment of hydromechanical transmission of off-highway dump trucks in creating the on-board diagnostic system


    Rynkevich, S.


    The author offers a new approach in creating the on-board diagnostic system, which enables operative determination of the technical condition of hydro-mechanical transmissions of off-highway dump trucks of 45…60 t carrying capacity in the real time mode. The mathematical description of the processes of hydro-mechanical transmission operation is developed. Based on the simulation method, the regularities of dynamic adjustment of friction clutches during the automatic gearshift are revealed, wh...

  15. Using high-frequency vibrations and non-linear inclusions to create metamaterials with adjustable effective properties

    DEFF Research Database (Denmark)

    Lazarov, Boyan Stefanov; Thomsen, Jon Juel


    We investigate how high-frequency (HF) excitation combined with strongly non-linear elasticity may influence the effective properties for low-frequency wave propagation. The HF effects are demonstrated for linear spring-mass chains with embedded non-linear parts. The investigated mechanical syste...... static displacements and forces can be created by using HF excitation with structures having asymmetric displacement-force characteristics....

  16. Created mangrove wetlands store belowground carbon and surface elevation change enables them to adjust to sea-level rise (United States)

    Krauss, Ken W.; Cormier, Nicole; Osland, Michael J.; Kirwan, Matthew L.; Stagg, Camille L.; Nestlerode, Janet A.; Russell, Marc J.; From, Andrew; Spivak, Amanda C.; Dantin, Darrin D.; Harvey, James E.; Almario, Alejandro E.


    Mangrove wetlands provide ecosystem services for millions of people, most prominently by providing storm protection, food and fodder. Mangrove wetlands are also valuable ecosystems for promoting carbon (C) sequestration and storage. However, loss of mangrove wetlands and these ecosystem services are a global concern, prompting the restoration and creation of mangrove wetlands as a potential solution. Here, we investigate soil surface elevation change, and its components, in created mangrove wetlands over a 25 year developmental gradient. All created mangrove wetlands were exceeding current relative sea-level rise rates (2.6 mm yr−1), with surface elevation change of 4.2–11.0 mm yr−1 compared with 1.5–7.2 mm yr−1 for nearby reference mangroves. While mangrove wetlands store C persistently in roots/soils, storage capacity is most valuable if maintained with future sea-level rise. Through empirical modeling, we discovered that properly designed creation projects may not only yield enhanced C storage, but also can facilitate wetland persistence perennially under current rates of sea-level rise and, for most sites, for over a century with projected medium accelerations in sea-level rise (IPCC RCP 6.0). Only the fastest projected accelerations in sea-level rise (IPCC RCP 8.5) led to widespread submergence and potential loss of stored C for created mangrove wetlands before 2100.

  17. Parcels and Land Ownership, Created from lots, parcel ID joined to assesing database to get ownership information. some areas not adjusted to ortho imagery, Published in 2010, 1:1200 (1in=100ft) scale, City of Bismarck Government. (United States)

    NSGIC Local Govt | GIS Inventory — Parcels and Land Ownership dataset current as of 2010. Created from lots, parcel ID joined to assesing database to get ownership information. some areas not adjusted...

  18. Design of a low-temperature plasma (LTP) probe with adjustable output temperature and variable beam diameter for the direct detection of organic molecules. (United States)

    Martínez-Jarquín, Sandra; Winkler, Robert


    The direct detection of organic molecules by mass spectrometry requires ionization methods which are compatible with ambient conditions. A relatively new strategy is the use of a free low-temperature plasma beam for ionization. The objective is to design a safe and adjustable plasma beam to enable optimal ionization and desorption parameters for specific molecules. A plasma probe based on a dielectric barrier discharge was designed, where the plasma is guided through an internal second tube. This setup permits different beam diameter settings and the control of the plasma temperature. The ionization and desorption of pure organic compounds, as well as their direct detection from roasted coffee beans, were tested. The presented plasma probe provides improved safety with respect to arcing, ozone generation and electric shock, compared with conventional designs. The functionality of previously reported devices is expanded. A defined plasma diameter can be set by choosing the appropriate insert, while the input voltage controls the plasma temperature. The variation of measurement parameters enables the optimized direct detection of target compounds from roasted coffee beans, such as caffeine, guaiacol and vanillin. The presented low-temperature plasma probe allows the fine-tuning of ionization and desorption parameters, according to the target molecules. Possible applications include: (1) The ambient ionization and desorption of organic compounds with different volatility and (2) The direct analysis of food products such as roasted coffee beans. Copyright © 2013 John Wiley & Sons, Ltd.

  19. Environmentally Adjusted Elasticity Measures


    Shaik, Saleem


    Here, using input, output and nitrogen pollution data related to one state, we propose to extend the elasticity concept to include environmental pollution treated as undesirable output to provide the environmentally adjusted elasticity measures for the period, 1936-1997 in a two-step procedure.

  20. Creating standards: Creating illusions?

    DEFF Research Database (Denmark)

    Linneberg, Mai Skjøtt

    written standards may open up for the creation of illusions. These are created when written standards' content is not in accordance with the perception standard adopters and standard users have of the specific practice phenomenon's content. This general theoretical argument is exemplified by the specific...

  1. [Structural adjustment, cultural adjustment?]. (United States)

    Dujardin, B; Dujardin, M; Hermans, I


    Over the last two decades, multiple studies have been conducted and many articles published about Structural Adjustment Programmes (SAPs). These studies mainly describe the characteristics of SAPs and analyse their economic consequences as well as their effects upon a variety of sectors: health, education, agriculture and environment. However, very few focus on the sociological and cultural effects of SAPs. Following a summary of SAP's content and characteristics, the paper briefly discusses the historical course of SAPs and the different critiques which have been made. The cultural consequences of SAPs are introduced and are described on four different levels: political, community, familial, and individual. These levels are analysed through examples from the literature and individual testimonies from people in the Southern Hemisphere. The paper concludes that SAPs, alongside economic globalisation processes, are responsible for an acute breakdown of social and cultural structures in societies in the South. It should be a priority, not only to better understand the situation and its determining factors, but also to intervene and act with strategies that support and reinvest in the social and cultural sectors, which is vital in order to allow for individuals and communities in the South to strengthen their autonomy and identify.

  2. Convexity Adjustments

    DEFF Research Database (Denmark)

    M. Gaspar, Raquel; Murgoci, Agatha


    A convexity adjustment (or convexity correction) in fixed income markets arises when one uses prices of standard (plain vanilla) products plus an adjustment to price nonstandard products. We explain the basic and appealing idea behind the use of convexity adjustments and focus on the situations o...

  3. Early-Transition Output Decline Revisited

    Directory of Open Access Journals (Sweden)

    Crt Kostevc


    Full Text Available In this paper we revisit the issue of aggregate output decline that took place in the early transition period. We propose an alternative explanation of output decline that is applicable to Central- and Eastern-European countries. In the first part of the paper we develop a simple dynamic general equilibrium model that builds on work by Gomulka and Lane (2001. In particular, we consider price liberalization, interpreted as elimination of distortionary taxation, as a trigger of the output decline. We show that price liberalization in interaction with heterogeneous adjustment costs and non-employment benefits lead to aggregate output decline and surge in wage inequality. While these patterns are consistent with actual dynamics in CEE countries, this model cannot generate output decline in all sectors. Instead sectors that were initially taxed even exhibit output growth. Thus, in the second part we consider an alternative general equilibrium model with only one production sector and two types of labor and distortion in a form of wage compression during the socialist era. The trigger for labor mobility and consequently output decline is wage liberalization. Assuming heterogeneity of workers in terms of adjustment costs and non-employment benefits can explain output decline in all industries.

  4. Research management and research output

    Directory of Open Access Journals (Sweden)

    Anita Bosch


    Full Text Available Purpose: A study was conducted at two merged South African higher education institutions to determine which management factors, as identified in a literature study as well as through a factor analysis of survey data, were predictive of the dependent variable 'research output'. Problem investigated: Research output contributes to creating sustainability of knowledge of management sciences and therefore the active management of research is in the interest of progressive universities. Research management related activities are usually associated with measurable targets, detailed plans, rigorous evaluation and decisive action - all of which are observable (perhaps programmable behaviour also referred to as tangible factors. Authors argue that the tangible factors of any successful institution can be copied, technology can be bought, and in theory you should have an instantly thriving research institution. It is, however, clear that although many institutions have exactly the same technology and structure as their successful competitors, they still fail to succeed in increasing research output. Design and Research methodology or approach: A survey was distributed to n=411 and yielded a 49.6% response rate. A confirmatory reliability analysis as well as a factor analysis was conducted. Findings/implications: The empirical model that was derived through a factor analysis strengthens the argument that both tangible and intangible factors exist in a research environment. Tangible and intangible factors play a different role in predicting research output. The tangible factors are predictors of research output for non-research-active academics. The theoretical research output prediction model highlights predictors such as 'professional activities' and 'individual skills and competence' for specific groupings. The theoretical model indicates that the factors that predict research output are largely intrinsic to a researcher but could also be supported by

  5. Creating Poetry. (United States)

    Drury, John

    Encouraging exploration and practice, this book offers hundreds of exercises and numerous tips covering every step involved in creating poetry. Each chapter is a self-contained unit offering an overview of material in the chapter, a definition of terms, and poetry examples from well-known authors designed to supplement the numerous exercises.…

  6. LHC Create

    CERN Multimedia

    CERN. Geneva


    LHC Create is an upcoming 2-day workshop held at IdeaSquare in November. Participants from CERN and IPAC school of design will compete to design an exhibit that explains why CERN does what it does. The winner will have their exhibit fully realised and made available to experiments, institutes, and tourism agencies around the world.

  7. Output hardcopy devices

    CERN Document Server

    Durbeck, Robert


    Output Hardcopy Devices provides a technical summary of computer output hardcopy devices such as plotters, computer output printers, and CRT generated hardcopy. Important related technical areas such as papers, ribbons and inks, color techniques, controllers, and character fonts are also covered. Emphasis is on techniques primarily associated with printing, as well as the plotting capabilities of printing devices that can be effectively used for computer graphics in addition to their various printing functions. Comprised of 19 chapters, this volume begins with an introduction to vector and ras

  8. Chiropractic Adjustment (United States)

    ... Results Chiropractic adjustment can be effective in treating low back pain, although much of the research done shows only a modest benefit — similar to the results of more conventional treatments. Some studies suggest that spinal manipulation also may ...

  9. WRF Model Output (United States)

    U.S. Environmental Protection Agency — This dataset contains WRF model output. There are three months of data: July 2012, July 2013, and January 2013. For each month, several simulations were made: A...

  10. CMAQ Model Output (United States)

    U.S. Environmental Protection Agency — CMAQ and CMAQ-VBS model output. This dataset is not publicly accessible because: Files too large. It can be accessed through the following means: via EPA's NCC tape...

  11. VMS forms Output Tables (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — These output tables contain parsed and format validated data from the various VMS forms that are sent from any given vessel, while at sea, from the VMS devices on...

  12. Adjustment of macroeconomic imbalances

    Directory of Open Access Journals (Sweden)

    Georgeta Barbulescu


    Full Text Available The global financial and economic crisis was the factor that triggered the adjustment of macroeconomic imbalances accumulated in Romania. The current account deficit and budget deficit were two major structural imbalances that have created a high vulnerability for the economy and explained the extent of economic contraction in Romania during the economic crisis. This article identifies the main causes that lead to the need for fiscal adjustment both in the EU and in Romania, as well as main effects of adjustments in respect of their experience in recent years. The article deals with this topic, because the current topical debate in the field of fiscal adjustments implemented both in the EU and our country, and their need for economic activity aimed at economic recovery.

  13. Maximum Output Power Tracking of Wind Turbine Using Intelligent Control


    Mauridhi Hery Purnomo; Mochamad Ashari; Muldi Yuhendri


    The output power of wind turbine is determined by wind speed. The Output power can be adjusted by controlling the generator speed and pitch angle of wind turbine. When the wind speed below the wind turbine rated, the output power of generator can be maximized by controlling the generator speed at point of maximum power coefficient. When the wind speed above the wind turbine rated, output power of wind turbine will exceed the power generators rated. In this condition, the output power of wind ...

  14. Cardiac output measurement

    Directory of Open Access Journals (Sweden)

    Andreja Möller Petrun


    Full Text Available In recent years, developments in the measuring of cardiac output and other haemodynamic variables are focused on the so-called minimally invasive methods. The aim of these methods is to simplify the management of high-risk and haemodynamically unstable patients. Due to the need of invasive approach and the possibility of serious complications the use of pulmonary artery catheter has decreased. This article describes the methods for measuring cardiac output, which are based on volume measurement (Fick method, indicator dilution method, pulse wave analysis, Doppler effect, and electrical bioimpedance.

  15. Salary adjustments

    CERN Multimedia

    HR Department


    In accordance with decisions taken by the Finance Committee and Council in December 2007, salaries are adjusted with effect from 1 January 2008. Scale of basic salaries and scale of stipends paid to fellows (Annex R A 5 and R A 6 respectively): increased by 0.71% with effect from 1 January 2008. As a result of the stability of the Geneva consumer price index, following elements do not increase: a) Family Allowance, Child Allowance and Infant Allowance (Annex R A 3). b) Reimbursement of education fees: maximum amounts of reimbursement (Annex R A 4.01) for the academic year 2007/2008. Related adjustments will be implemented, wherever applicable, to Paid Associates and Students. As in the past, the actual percentage increase of each salary position may vary, due to the application of a constant step value and the rounding effects. Human Resources Department Tel. 73566

  16. Salary adjustments

    CERN Multimedia

    HR Department


    In accordance with decisions taken by the Finance Committee and Council in December 2007, salaries are adjusted with effect from 1 January 2008. Scale of basic salaries and scale of stipends paid to fellows (Annex R A 5 and R A 6 respectively): increased by 0.71% with effect from 1 January 2008. As a result of the stability of the Geneva consumer price index, the following elements do not increase: a)\tFamily Allowance, Child Allowance and Infant Allowance (Annex R A 3); b)\tReimbursement of education fees: maximum amounts of reimbursement (Annex R A 4.01) for the academic year 2007/2008. Related adjustments will be applied, wherever applicable, to Paid Associates and Students. As in the past, the actual percentage increase of each salary position may vary, due to the application of a constant step value and rounding effects. Human Resources Department Tel. 73566

  17. A summary of the CMS Create event

    CERN Multimedia

    CERN. Geneva; GASTAL, Martin


    The maiden CMS Create event took place in November 2015 and was a huge success. The output from all the participants was fantastic. As organisers we learnt a lot and hope to build on our experience for the 2016 event!

  18. Tune color of single-phase LiGd(MoO4)2-X(WO4)X: Sm3+, Tb3+ via adjusting the proportion of matrix and energy transfer to create white-light phosphor (United States)

    Wu, Hongyue; Yang, Junfeng; Wang, Xiaoxue; Gan, Shucai; Li, Linlin


    A series of LiGd(MO4)2: Sm3+, Tb3+ (M = Mo, W) phosphors was prepared by a conventional solid state reaction method. Powder X-Ray diffraction (XRD) analysis reveals that the compounds are of the same structure type. Their luminescent properties have been studied. The optimal doping concentrations are 8% for Sm3+ and 18% for Tb3+ in the LiGd(MoO4)2 host. Sm3+ and Tb3+ have different sensitivity to the Mo/W ratio. For LiGd(MoO4)2-X(WO4)X: Sm3+ (X = 0, 0.4, 0.8, 1.2, 1.6, 2.0), the strongest emission intensity is 1.766 times than that of the weakest, while 171 times for LiGd(MoO4)2-X(WO4)X: Tb3+. The experimental results show that Mo/W ratio strong influences on the properties of LiGd(MoO4)2-X(WO4)X: Tb3+. With the increasing of WO42- groups concentration, the shape of characteristic excitation peaks of Tb3+ is almost the same and the excitation intensity gradually increase. Moreover, the energy transfer from Tb3+ to Sm3+ has been realized in the co-doped phosphors. The experimental analysis and theoretical calculations reveal that the quadrupole-quadrupole interaction is the dominant mechanism for the Tb3+→Sm3+ energy transfer. Therefore, luminous intensity can be adjusted by different sensitivities to matrix composition and energy transfer from Tb3+→Sm3+. By this tuning color method, white-light-emitting phosphor has been prepared. The excitation wavelength is 378 nm, and this indicates that the white-light-emitting phosphor could be pumped by near-UV light.

  19. Site compare scripts and output (United States)

    U.S. Environmental Protection Agency — Monthly site compare scripts and output used to generate the model/ob plots and statistics in the manuscript. The AQS hourly site compare output files are not...

  20. Adjustment in the World Economy


    Paul Krugman


    There is a widespread view that world payments imbalances can be remedied through increased demand in surplus countries and reduced demand in deficit countries, without any need for real exchange rate changes. In fact shifts in demand and real exchange rate adjustment are necessary couplets, not substitutes. The essential reason for this complementarity is that a much higher fraction of a marginal dollar of US than of foreign spending falls on US output. As a result, a redistribution of world...

  1. Cardiac output during exercise

    DEFF Research Database (Denmark)

    Siebenmann, C; Rasmussen, P.; Sørensen, H.


    a progressive increase in Q with exercise intensity, the slopes of the Q/oxygen uptake (VO2) relationship differed by up to 50% between methods in both normoxia [4.9 ± 0.3, 3.9 ± 0.2, 6.0 ± 0.4, 4.8 ± 0.2 L/min per L/min (mean ± SE) for Q(Fick-M), Q(Inn), QP hys and Q(Pulse), respectively; P = 0......Several techniques assessing cardiac output (Q) during exercise are available. The extent to which the measurements obtained from each respective technique compares to one another, however, is unclear. We quantified Q simultaneously using four methods: the Fick method with blood obtained from...... the right atrium (Q(Fick-M)), Innocor (inert gas rebreathing; Q(Inn)), Physioflow (impedance cardiography; Q(Phys)), and Nexfin (pulse contour analysis; Q(Pulse)) in 12 male subjects during incremental cycling exercise to exhaustion in normoxia and hypoxia (FiO2  = 12%). While all four methods reported...

  2. Multiple output timing and trigger generator

    Energy Technology Data Exchange (ETDEWEB)

    Wheat, Robert M. [Los Alamos National Laboratory; Dale, Gregory E [Los Alamos National Laboratory


    In support of the development of a multiple stage pulse modulator at the Los Alamos National Laboratory, we have developed a first generation, multiple output timing and trigger generator. Exploiting Commercial Off The Shelf (COTS) Micro Controller Units (MCU's), the timing and trigger generator provides 32 independent outputs with a timing resolution of about 500 ns. The timing and trigger generator system is comprised of two MCU boards and a single PC. One of the MCU boards performs the functions of the timing and signal generation (the timing controller) while the second MCU board accepts commands from the PC and provides the timing instructions to the timing controller. The PC provides the user interface for adjusting the on and off timing for each of the output signals. This system provides 32 output or timing signals which can be pre-programmed to be in an on or off state for each of 64 time steps. The width or duration of each of the 64 time steps is programmable from 2 {micro}s to 2.5 ms with a minimum time resolution of 500 ns. The repetition rate of the programmed pulse train is only limited by the time duration of the programmed event. This paper describes the design and function of the timing and trigger generator system and software including test results and measurements.

  3. Cardiac output monitoring

    Directory of Open Access Journals (Sweden)

    Mathews Lailu


    Full Text Available Minimally invasive and non-invasive methods of estimation of cardiac output (CO were developed to overcome the limitations of invasive nature of pulmonary artery catheterization (PAC and direct Fick method used for the measurement of stroke volume (SV. The important minimally invasive techniques available are: oesophageal Doppler monitoring (ODM, the derivative Fick method (using partial carbon dioxide (CO 2 breathing, transpulmonary thermodilution, lithium indicator dilution, pulse contour and pulse power analysis. Impedance cardiography is probably the only non-invasive technique in true sense. It provides information about haemodynamic status without the risk, cost and skill associated with the other invasive or minimally invasive techniques. It is important to understand what is really being measured and what assumptions and calculations have been incorporated with respect to a monitoring device. Understanding the basic principles of the above techniques as well as their advantages and limitations may be useful. In addition, the clinical validation of new techniques is necessary to convince that these new tools provide reliable measurements. In this review the physics behind the working of ODM, partial CO 2 breathing, transpulmonary thermodilution and lithium dilution techniques are dealt with. The physical and the physiological aspects underlying the pulse contour and pulse power analyses, various pulse contour techniques, their development, advantages and limitations are also covered. The principle of thoracic bioimpedance along with computation of CO from changes in thoracic impedance is explained. The purpose of the review is to help us minimize the dogmatic nature of practice favouring one technique or the other.

  4. Serial Input Output

    Energy Technology Data Exchange (ETDEWEB)

    Waite, Anthony; /SLAC


    Serial Input/Output (SIO) is designed to be a long term storage format of a sophistication somewhere between simple ASCII files and the techniques provided by inter alia Objectivity and Root. The former tend to be low density, information lossy (floating point numbers lose precision) and inflexible. The latter require abstract descriptions of the data with all that that implies in terms of extra complexity. The basic building blocks of SIO are streams, records and blocks. Streams provide the connections between the program and files. The user can define an arbitrary list of streams as required. A given stream must be opened for either reading or writing. SIO does not support read/write streams. If a stream is closed during the execution of a program, it can be reopened in either read or write mode to the same or a different file. Records represent a coherent grouping of data. Records consist of a collection of blocks (see next paragraph). The user can define a variety of records (headers, events, error logs, etc.) and request that any of them be written to any stream. When SIO reads a file, it first decodes the record name and if that record has been defined and unpacking has been requested for it, SIO proceeds to unpack the blocks. Blocks are user provided objects which do the real work of reading/writing the data. The user is responsible for writing the code for these blocks and for identifying these blocks to SIO at run time. To write a collection of blocks, the user must first connect them to a record. The record can then be written to a stream as described above. Note that the same block can be connected to many different records. When SIO reads a record, it scans through the blocks written and calls the corresponding block object (if it has been defined) to decode it. Undefined blocks are skipped. Each of these categories (streams, records and blocks) have some characteristics in common. Every stream, record and block has a name with the condition that each

  5. Inverter communications using output signal (United States)

    Chapman, Patrick L.


    Technologies for communicating information from an inverter configured for the conversion of direct current (DC) power generated from an alternative source to alternating current (AC) power are disclosed. The technologies include determining information to be transmitted from the inverter over a power line cable connected to the inverter and controlling the operation of an output converter of the inverter as a function of the information to be transmitted to cause the output converter to generate an output waveform having the information modulated thereon.

  6. Optimization of the heat output of wall convectors with using an unconventional slumped glass cover

    Directory of Open Access Journals (Sweden)

    Kulhavy Petr


    Full Text Available This paper deals with study of a new shape of the glass cover of heat convectors. Design of the heat convectors is characterized by the low water volume, highly variable geometry, adjustable heat output and the pressure losses that arise when the fluid flow through the exchanger. Based on a new concept of a slumped glass cover of the exchanger have been created some numerical models and also carried out experiments in order to find and optimize an appropriate shape. The glass materials are very specific mainly due to their specific shaping abilities and technological capabilities of manufacturing. The aim is to determine an appropriate shape and a curvature of the glass body and also the position and size of the exchanger. It has been found a significant dependence of the heat exchanger position on to the total heat output of an entire device. Simultaneously has been proved also the dependence of a shape of the cover plate, to the total heat output, that is more considerably for natural than for the forced convection.

  7. Optimization of the heat output of wall convectors with using an unconventional slumped glass cover (United States)

    Kulhavy, Petr; Kleckova, Jitka; Petru, Michal; Havlicek, Miroslav


    This paper deals with study of a new shape of the glass cover of heat convectors. Design of the heat convectors is characterized by the low water volume, highly variable geometry, adjustable heat output and the pressure losses that arise when the fluid flow through the exchanger. Based on a new concept of a slumped glass cover of the exchanger have been created some numerical models and also carried out experiments in order to find and optimize an appropriate shape. The glass materials are very specific mainly due to their specific shaping abilities and technological capabilities of manufacturing. The aim is to determine an appropriate shape and a curvature of the glass body and also the position and size of the exchanger. It has been found a significant dependence of the heat exchanger position on to the total heat output of an entire device. Simultaneously has been proved also the dependence of a shape of the cover plate, to the total heat output, that is more considerably for natural than for the forced convection.

  8. Create Your Plate

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    Full Text Available ... A A A Listen En Español Create Your Plate Create Your Plate is a simple and effective ... and that your options are endless. Create Your Plate! Click on the plate sections below to add ...

  9. Create Your Plate

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  10. Simultaneous vs sequential adjustments in a duopoly (United States)

    Ibrahim, Adyda; Karim, Sharmila; Zaibidi, Nerda Zura


    In a duopoly situation, two firms can move towards the equilibrium point either sequentially or simultaneously. In the case of equal costs and equal initial outputs, numerical results in this paper show the effect of simultaneous adjustment and sequential adjustment on the length of time it takes for a firm to reach the Cournot equilibrium, and the total profit accumulated up until reaching the equilibrium point.

  11. Indirect Monetary Policy Reforms and Output Growth in Nigeria: An ...

    African Journals Online (AJOL)

    A causality test performed on the models show that there was a-two-way causality between money supply and output growth during the reform period in Nigeria. The adjusted coefficient of determination (R2) = 0.65 indicates that over 65% changes in the real GDP (RGDP), are explained by changes in the monetary policy ...

  12. A 2-DOF joint with coupled variable output stiffness

    NARCIS (Netherlands)

    Tan, Daniel J.; Brouwer, Dannis Michel; Fumagalli, Matteo; Carloni, Raffaella

    This paper presents a 2-degree-of-freedom (DOF) joint with coupled variable output stiffness that makes use of three actuators, i.e., two for the 2-D joint motions and one for the joint stiffness adjustment. By base-mounting the actuators and the variable stiffness module that contains the passive

  13. Full Static Output Feedback Equivalence

    Directory of Open Access Journals (Sweden)

    Aristotle G. Yannakoudakis


    Full Text Available We present a constructive solution to the problem of full output feedback equivalence, of linear, minimal, time-invariant systems. The equivalence relation on the set of systems is transformed to another on the set of invertible block Bezout/Hankel matrices using the isotropy subgroups of the full state feedback group and the full output injection group. The transformation achieving equivalence is calculated solving linear systems of equations. We give a polynomial version of the results proving that two systems are full output feedback equivalent, if and only if they have the same family of generalized Bezoutians. We present a new set of output feedback invariant polynomials that generalize the breakaway polynomial of scalar systems.

  14. The lack of public health research output from India

    Directory of Open Access Journals (Sweden)

    Bhaskar VS Udaya


    Full Text Available Abstract Background Systematic assessment of recent health research output from India, and its relation with the estimated disease burden, is not available. This information would help understand the areas in health research that need improvement in India to enhance the health of India's population. Methods The health research output from India during 2002, which was accessible in the public domain, was assessed by searching PubMed and other internet health literature databases, and was related to the disease burden suggested by the Global Burden of Disease Study. The main outcome measures were number of health papers with abstracts in basic, clinical and public health sciences; quality-adjusted research output based on the impact factors of journals in which the papers were published; classification of papers in disease/condition categories and comparison of research output with the estimated disease burden in each category. Comparison of the health papers from India during 2002 included in PubMed was done with those from Australia during one quarter of 2002. Results Of the 4876 health papers from India in 2002 in PubMed, 48.4%, 47.1% and 4.4% were in basic, clinical and public health sciences, respectively. Of the 4495 papers based on original research, only 3.3% were in public health. Quality-adjusted original research output was highest for non-communicable diseases (62% of total. Of the total quality-adjusted original research output, the proportions in injuries (0.7%, cardiovascular diseases (3.6%, respiratory infections (0.2%, diarrhoeal diseases (1.9%, perinatal conditions (0.4%, childhood cluster diseases (0.5%, unipolar major depression (0%, and HIV/AIDS (1.5% were substantially lower than their proportional contribution to the disease burden in India. Human resources, health policy, health economics, and impact assessment of interventions were particularly poorly represented in public health research. The Australia-India ratio for

  15. Industrial output restriction and the Kyoto protocol. An input-output approach with application to Canada

    Energy Technology Data Exchange (ETDEWEB)

    Lixon, Benoit [A.D.E Consulting Services, Rue de Clairvaux, 40/101, 1348 Louvain-La-Neuve (Belgium); Thomassin, Paul J. [Department of Agricultural Economics, McGill University, Montreal (Canada); Hamaide, Bertrand [Faculty of Economics, Social and Political Sciences, Facultes Universitaires Saint-Louis, 43 boulevard du jardin botanique, 1000 Brussels (Belgium)


    The objective of this paper is to assess the economic impacts of reducing greenhouse gas emissions by decreasing industrial output in Canada to a level that will meet the target set out in the Kyoto Protocol. The study uses an ecological-economic Input-Output model combining economic components valued in monetary terms with ecologic components - GHG emissions - expressed in physical terms. Economic and greenhouse gas emissions data for Canada are computed in the same sectoral disaggregation. Three policy scenarios are considered: the first one uses the direct emission coefficients to allocate the reduction in industrial output, while the other two use the direct plus indirect emission coefficients. In the first two scenarios, the reduction in industrial sector output is allocated uniformly across sectors while it is allocated to the 12 largest emitting industries in the last one. The estimated impacts indicate that the results vary with the different allocation methods. The third policy scenario, allocation to the 12 largest emitting sectors, is the most cost effective of the three as the impacts of the Kyoto Protocol reduces Gross Domestic Product by 3.1% compared to 24% and 8.1% in the first two scenarios. Computed economic costs should be considered as upper-bounds because the model assumes immediate adjustment to the Kyoto Protocol and because flexibility mechanisms are not incorporated. The resulting upper-bound impact of the third scenario may seem to contradict those who claim that the Kyoto Protocol would place an unbearable burden on the Canadian economy. (author)

  16. Macroeconomic shocks and firms' labor adjustment

    DEFF Research Database (Denmark)

    Eriksson, Tor


    This article discusses some recent research which aims at producing evidence on how firms adjust their employment in response to output shocks using micro-level data and with a particular focus on the relationship between worker and job flows. The evidence presented is mainly based on Danish data...

  17. Antiretroviral therapy increases thymic output in children with HIV

    DEFF Research Database (Denmark)

    Schou Sandgaard, Katrine; Lewis, Joanna; Adams, Stuart


    OBJECTIVE: Disease progression and response to antiretroviral therapy (ART) in HIV-infected children is different to that of adults. Immune reconstitution in adults is mainly from memory T cells, whereas in children it occurs predominantly from the naive T-cell pool. It is unclear however what...... and cannot in themselves be used as quantitative estimates of thymic output. DESIGN: To compare thymic output in HIV-infected children on ART, HIV-infected children not on ART and uninfected children of different ages. METHOD: Combined T-cell receptor excision circle (TREC) and proliferation data are used...... with a recently described mathematical model to give explicit measures of thymic output. RESULTS: We found that age-adjusted thymic output is reduced in untreated children with HIV, which increases significantly with length of time on ART. CONCLUSION: Our results suggest that a highly active thymus in early...

  18. Output

    DEFF Research Database (Denmark)

    Mehlsen, Camilla


    Hvad får vi egentlig ud af internationale komparative undersøgelser som PISA, PIRLS og TIMSS? Hvordan påvirker de dansk uddannelsespolitik? Asterisk har talt med tre forskere med ekspertise på området.......Hvad får vi egentlig ud af internationale komparative undersøgelser som PISA, PIRLS og TIMSS? Hvordan påvirker de dansk uddannelsespolitik? Asterisk har talt med tre forskere med ekspertise på området....

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  1. World Input-Output Network.

    Directory of Open Access Journals (Sweden)

    Federica Cerina

    Full Text Available Production systems, traditionally analyzed as almost independent national systems, are increasingly connected on a global scale. Only recently becoming available, the World Input-Output Database (WIOD is one of the first efforts to construct the global multi-regional input-output (GMRIO tables. By viewing the world input-output system as an interdependent network where the nodes are the individual industries in different economies and the edges are the monetary goods flows between industries, we analyze respectively the global, regional, and local network properties of the so-called world input-output network (WION and document its evolution over time. At global level, we find that the industries are highly but asymmetrically connected, which implies that micro shocks can lead to macro fluctuations. At regional level, we find that the world production is still operated nationally or at most regionally as the communities detected are either individual economies or geographically well defined regions. Finally, at local level, for each industry we compare the network-based measures with the traditional methods of backward linkages. We find that the network-based measures such as PageRank centrality and community coreness measure can give valuable insights into identifying the key industries.

  2. Compact Circuit Preprocesses Accelerometer Output (United States)

    Bozeman, Richard J., Jr.


    Compact electronic circuit transfers dc power to, and preprocesses ac output of, accelerometer and associated preamplifier. Incorporated into accelerometer case during initial fabrication or retrofit onto commercial accelerometer. Made of commercial integrated circuits and other conventional components; made smaller by use of micrologic and surface-mount technology.

  3. World Input-Output Network. (United States)

    Cerina, Federica; Zhu, Zhen; Chessa, Alessandro; Riccaboni, Massimo


    Production systems, traditionally analyzed as almost independent national systems, are increasingly connected on a global scale. Only recently becoming available, the World Input-Output Database (WIOD) is one of the first efforts to construct the global multi-regional input-output (GMRIO) tables. By viewing the world input-output system as an interdependent network where the nodes are the individual industries in different economies and the edges are the monetary goods flows between industries, we analyze respectively the global, regional, and local network properties of the so-called world input-output network (WION) and document its evolution over time. At global level, we find that the industries are highly but asymmetrically connected, which implies that micro shocks can lead to macro fluctuations. At regional level, we find that the world production is still operated nationally or at most regionally as the communities detected are either individual economies or geographically well defined regions. Finally, at local level, for each industry we compare the network-based measures with the traditional methods of backward linkages. We find that the network-based measures such as PageRank centrality and community coreness measure can give valuable insights into identifying the key industries.

  4. Remote input/output station

    CERN Multimedia


    A general view of the remote input/output station installed in building 112 (ISR) and used for submitting jobs to the CDC 6500 and 6600. The card reader on the left and the line printer on the right are operated by programmers on a self-service basis.

  5. Annual Adjustment Factors (United States)

    Department of Housing and Urban Development — The Department of Housing and Urban Development establishes the rent adjustment factors - called Annual Adjustment Factors (AAFs) - on the basis of Consumer Price...

  6. UFO - The Universal FEYNRULES Output (United States)

    Degrande, Céline; Duhr, Claude; Fuks, Benjamin; Grellscheid, David; Mattelaer, Olivier; Reiter, Thomas


    We present a new model format for automatized matrix-element generators, the so-called Universal FEYNRULES Output (UFO). The format is universal in the sense that it features compatibility with more than one single generator and is designed to be flexible, modular and agnostic of any assumption such as the number of particles or the color and Lorentz structures appearing in the interaction vertices. Unlike other model formats where text files need to be parsed, the information on the model is encoded into a PYTHON module that can easily be linked to other computer codes. We then describe an interface for the MATHEMATICA package FEYNRULES that allows for an automatic output of models in the UFO format.

  7. Phonological Learning with Output-Driven Maps (United States)

    Tesar, Bruce


    The concept of an output-driven map formally characterizes an intuitive notion about phonology: that disparities between the input and the output are introduced only to the extent necessary to satisfy restrictions on outputs. When all of the grammars definable in a phonological system are output-driven, the implied structure provides significant…

  8. Create Your Plate

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    Full Text Available ... In Memory In Honor Become a Member En Español Type 1 Type 2 About Us Online Community ... Page Text Size: A A A Listen En Español Create Your Plate Create Your Plate is a ...

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  10. Create Your Plate

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    Full Text Available ... Share: Print Page Text Size: A A A Listen En Español Create Your Plate Create Your Plate is a simple and effective way to manage your blood glucose levels and lose weight. With this method, you fill your plate with more non-starchy veggies ...

  11. System and method for determining the net output torque from a waste heat recovery system (United States)

    Tricaud, Christophe; Ernst, Timothy C.; Zigan, James A.


    The disclosure provides a waste heat recovery system with a system and method for calculation of the net output torque from the waste heat recovery system. The calculation uses inputs from existing pressure and speed sensors to create a virtual pump torque sensor and a virtual expander torque sensor, and uses these sensors to provide an accurate net torque output from the WHR system.

  12. Creating more effective graphs

    CERN Document Server

    Robbins, Naomi B


    A succinct and highly readable guide to creating effective graphs The right graph can be a powerful tool for communicating information, improving a presentation, or conveying your point in print. If your professional endeavors call for you to present data graphically, here's a book that can help you do it more effectively. Creating More Effective Graphs gives you the basic knowledge and techniques required to choose and create appropriate graphs for a broad range of applications. Using real-world examples everyone can relate to, the author draws on her years of experience in gr

  13. Judicial Influence on Policy Outputs?

    DEFF Research Database (Denmark)

    Martinsen, Dorte Sindbjerg


    to override unwanted jurisprudence. In this debate, the Court of Justice of the European Union (CJEU) has become famous for its central and occasionally controversial role in European integration. This article examines to what extent and under which conditions judicial decisions influence European Union (EU......) social policy outputs. A taxonomy of judicial influence is constructed, and expectations of institutional and political conditions on judicial influence are presented. The analysis draws on an extensive novel data set and examines judicial influence on EU social policies over time, that is, between 1958...

  14. Create Your Plate

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  15. Create Your Plate

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  16. Create Your Plate (United States)

    ... Your Plate Gluten Free Diets Meal Planning for Vegetarian Diets Cook with Heart-Healthy Foods Holiday Meal ... Healthy Diet Create Your Plate Meal Planning for Vegetarian Diets Gluten Free Diets Holiday Meal Planning Cook ...

  17. Create Your Plate

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    Full Text Available ... Your Plate Gluten Free Diets Meal Planning for Vegetarian Diets Cook with Heart-Healthy Foods Holiday Meal ... Healthy Diet Create Your Plate Meal Planning for Vegetarian Diets Gluten Free Diets Holiday Meal Planning Cook ...

  18. Create Your Plate

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  19. Create Your Plate

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  20. Create Your Plate

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    Full Text Available ... Now - match-donate-now.html Match – Donate Now Make your year-end donation today and ... Tour Registration Is Open It starts with you. Sign up to ride in Tour de Cure and create ...

  1. Create Your Plate

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    Full Text Available ... Your Plate It's simple and effective for both managing diabetes and losing weight. Creating your plate lets you still choose the foods you want, but changes the portion sizes so you are getting larger ...

  2. Create Your Plate

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    Full Text Available ... this interactive tool. The healthy meal combinations are endless! Ready to try it at home? Just follow ... non-starchy vegetables and that your options are endless. Create Your Plate! Click on the plate sections ...

  3. Create Your Plate

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    Full Text Available ... and Pacific Islanders American Indian/Alaska Native Programs Older Adults Family Link Diabetes EXPO Upcoming Diabetes EXPOs ... Planning Meals Diabetes Meal Plans and a Healthy Diet Create Your Plate Meal Planning for Vegetarian Diets ...

  4. Create Your Plate

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  8. Adjustable suture strabismus surgery (United States)

    Nihalani, B R; Hunter, D G


    Surgical management of strabismus remains a challenge because surgical success rates, short-term and long-term, are not ideal. Adjustable suture strabismus surgery has been available for decades as a tool to potentially enhance the surgical outcomes. Intellectually, it seems logical that having a second chance to improve the outcome of a strabismus procedure should increase the overall success rate and reduce the reoperation rate. Yet, adjustable suture surgery has not gained universal acceptance, partly because Level 1 evidence of its advantages is lacking, and partly because the learning curve for accurate decision making during suture adjustment may span a decade or more. In this review we describe the indications, techniques, and published results of adjustable suture surgery. We will discuss the option of ‘no adjustment' in cases with satisfactory alignment with emphasis on recent advances allowing for delayed adjustment. The use of adjustable sutures in special circumstances will also be reviewed. Consistently improved outcomes in the adjustable arm of nearly all retrospective studies support the advantage of the adjustable option, and strabismus surgeons are advised to become facile in the application of this approach. PMID:21760626

  9. Theory of adaptive adjustment

    Directory of Open Access Journals (Sweden)

    Weihong Huang


    Full Text Available Conventional adaptive expectation as a mechanism of stabilizing an unstable economic process is reexamined through a generalization to an adaptive adjustment framework. The generic structures of equilibria that can be stabilized through an adaptive adjustment mechanism are identified. The generalization can be applied to a broad class of discrete economic processes where the variables interested can be adjusted or controlled directly by economic agents such as in cobweb dynamics, Cournot games, Oligopoly markets, tatonnement price adjustment, tariff games, population control through immigration etc.

  10. Creating unreal audio


    Rudsengen, Mathias Flaten


    Creating unreal audio” refers to the act of designing a sound effect that is intended to sound like a completely fictional object. This thesis is a practical venture into digital audio design. During the process of creating a sound effect anchored in a specific thematic framework, I will describe my work process and the challenges and problems faced, showing my personal work process and how modern digital sound effect creation can be undertaken. To provide context, I will also describe and re...

  11. Integration of TMVA Output into Jupyter notebooks

    CERN Document Server

    Saliji, Albulena


    The purpose of this report is to describe the work that I have been doing during these past eight weeks as a Summer Student at CERN. The task which was assigned to me had to do with the integration of TMVA Output into Jupyter notebooks. In order to integrate the TMVA Output into the Jupyter notebook, first, improvement of the TMVA Output in the terminal was required. Once the output was improved, it needed to be transformed into HTML output and at the end it would be possible to integrate that output into the Jupyter notebook.


    DEFF Research Database (Denmark)


    An adjustable microchip holder for holding a microchip is provided having a plurality of displaceable interconnection pads for connecting the connection holes of a microchip with one or more external devices or equipment. The adjustable microchip holder can fit different sizes of microchips with ...

  13. University students' adjustment problems. (United States)

    Cherian, V I; Cherian, L


    Considerable information is available on the adjustment problems of first-year university students in developed countries, but comparatively little is known about such problems in Asia and Africa. This study of a representative sample of 1257 first-year students conducted at the University of the North showed that 33 to 85% of the first-year students experienced various adjustment problems.

  14. Creating a learning culture. (United States)

    Mathewson, Karyn


    This column describes the efforts of an agency to build a learning culture as part of changing their approach to service delivery, when adopting a focus on psychiatric rehabilitation and recovery. This example of one organization's challenges and successes in workforce development provides an alternative approach to the common single-session staff training that typically fails to change practice. This description draws from published material on communities of practice, technical consultation, and agency experience. Training alone is not enough to create change. An organizational commitment to ongoing quality improvement, along with available and accessible technical assistance for staff, creates an environment where change is anticipated, managed, and celebrated.

  15. Creating Web Pages Simplified

    CERN Document Server

    Wooldridge, Mike


    The easiest way to learn how to create a Web page for your family or organization Do you want to share photos and family lore with relatives far away? Have you been put in charge of communication for your neighborhood group or nonprofit organization? A Web page is the way to get the word out, and Creating Web Pages Simplified offers an easy, visual way to learn how to build one. Full-color illustrations and concise instructions take you through all phases of Web publishing, from laying out and formatting text to enlivening pages with graphics and animation. This easy-to-follow visual guide sho

  16. Mathematics and the Heart: Understanding Cardiac Output (United States)

    Champanerkar, Jyoti


    This paper illustrates a biological application of the concepts of relative change and area under a curve, from mathematics. We study two biological measures "relative change in cardiac output" and "cardiac output", which are predictors of heart blockages and other related ailments. Cardiac output refers to the quantity of…

  17. Probabilistic Output Analysis by Program Manipulation

    DEFF Research Database (Denmark)

    Rosendahl, Mads; Kirkeby, Maja Hanne


    The aim of a probabilistic output analysis is to derive a probability distribution of possible output values for a program from a probability distribution of its input. We present a method for performing static output analysis, based on program transformation techniques. It generates a probability...

  18. Create Your Plate

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  20. Creating an Interactive PDF (United States)

    Branzburg, Jeffrey


    There are many ways to begin a PDF document using Adobe Acrobat. The easiest and most popular way is to create the document in another application (such as Microsoft Word) and then use the Adobe Acrobat software to convert it to a PDF. In this article, the author describes how he used Acrobat's many tools in his project--an interactive…

  1. Creating resilient SMEs

    DEFF Research Database (Denmark)

    Dahlberg, Rasmus; Guay, Fanny


    According to the EU, during the past five years, small and medium enterprises (SMEs) have created 85% of new jobs and two-thirds of private sector employment in the region. SMEs are considered the backbone of the economy in Europe and represent more than 95% of enterprises in USA and Australia...

  2. Create Your Plate

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  3. Create Your Plate

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  4. Creating snags with explosives. (United States)

    Evelyn L. Bull; Arthur D. Partridge; Wayne G. Williams


    The tops of ponderosa pine (Pinus ponderosa) trees were blown off with dynamite to create nest sites for cavity-nesting wildlife. The procedure included drilling a hole almost through the trunk, inserting the dynamite, and setting the charge with primacord and fuse. Trees were simultaneously innoculated with a decay organism. The average cost was $...

  5. Creating Special Events (United States)

    deLisle, Lee


    "Creating Special Events" is organized as a systematic approach to festivals and events for students who seek a career in event management. This book looks at the evolution and history of festivals and events and proceeds to the nuts and bolts of event management. The book presents event management as the means of planning, organizing, directing,…

  6. Creating White Australia

    DEFF Research Database (Denmark)

    McLisky, Claire Louise; Carey, Jane

    Vedtagelsen af White Australien som regeringens politik i 1901 viser, at hvidheden var afgørende for den måde, hvorpå den nye nation i Australien blev konstitueret. Og alligevel har historikere i vid udstrækning overset hvidhed i deres studier af Australiens race fortid. 'Creating White Australia...

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  8. Creating a Virtual Gymnasium (United States)

    Fiorentino, Leah H.; Castelli, Darla


    Physical educators struggle with the challenges of assessing student performance, providing feedback about motor skills, and creating opportunities for all students to engage in game-play on a daily basis. The integration of technology in the gymnasium can address some of these challenges by improving teacher efficiency and increasing student…

  9. Creating Pupils' Internet Magazine (United States)

    Bognar, Branko; Šimic, Vesna


    This article presents an action research, which aimed to improve pupils' literary creativity and enable them to use computers connected to the internet. The study was conducted in a small district village school in Croatia. Creating a pupils' internet magazine appeared to be an excellent way for achieving the educational aims of almost all…

  10. Currency Unions, Economic Fluctuations, and Adjustment: Some New Empirical Evidence


    Tamim Bayoumi; Eswar Prasad


    This paper examines the sources of disturbances to output in the United States and a set of European Union countries and analyzes labor market adjustment mechanisms in these two economic areas. Comparable data sets comprising one-digit sectoral data for eight U.S. regions and eight European countries are constructed and used to compare the degree of industrial diversification and the relative importance of different sources of shocks to output growth. Both economic areas are found to be subje...

  11. Residual urine output and postoperative mortality in maintenance hemodialysis patients. (United States)

    Lin, Yu-Feng; Wu, Vin-Cent; Ko, Wen-Je; Chen, Yih-Sharng; Chen, Yung-Ming; Li, Wen-Yi; Chou, Nai-Kuan; Chao, Anne; Huang, Tao-Min; Chang, Fan-Chi; Chen, Shih-I; Shiao, Chih-Chung; Wang, Wei-Jie; Tsai, Hung-Bin; Tsai, Pi-Ru; Hu, Fu-Chang; Wu, Kwan-Dun


    The relationship between residual urine output and postoperative survival in maintenance hemodialysis patients is unknown. To explore the relationship between amount of urine before surgery and postoperative mortality and differences between postoperative nonanuria and anuria in maintenance hemodialysis patients. A total of 109 maintenance hemodialysis patients underwent major operations. Anuria was defined as urine output anuria were developed. Postoperative residual urine output was 159.2 mL/8 h (SD, 115.1) in 33 patients; 76 patients were anuric. Preoperative residual urine output and adequate perioperative blood transfusion were positively related to postoperative urine output. Propensity-adjusted 30-day mortality was associated with postoperative anuria (odds ratio [OR], 4.56; 95% confidence interval [CI], 1.16-17.96; P = .03), prior stroke (OR, 4.46; 95% CI, 1.43-13.89; P = .01) and higher disease severity (OR, 1.10; 95% CI, 1.00-1.21; P = .049) at the first postoperative dialysis. OR of 30-day mortality was 5.38 for nonanuria to anuria vs nonanuria to nonanuria (P = .03) and 5.13 for preoperative anuria vs nonanuria to nonanuria (P = .01). By Kaplan-Meier analysis, 30-day mortality differed significantly among patients for nonanuria to nonanuria, anuria, and nonanuria to anuria (log rank, P = .045). Patients with preoperative nonanuria and postoperative anuria had higher mortality than did patients with no anuria before and after surgery and patients with anuria before surgery. Postoperative residual urine output is an important surrogate marker for disease severity.

  12. Remotely Adjustable Hydraulic Pump (United States)

    Kouns, H. H.; Gardner, L. D.


    Outlet pressure adjusted to match varying loads. Electrohydraulic servo has positioned sleeve in leftmost position, adjusting outlet pressure to maximum value. Sleeve in equilibrium position, with control land covering control port. For lowest pressure setting, sleeve shifted toward right by increased pressure on sleeve shoulder from servovalve. Pump used in aircraft and robots, where hydraulic actuators repeatedly turned on and off, changing pump load frequently and over wide range.

  13. Model output: fact or artefact? (United States)

    Melsen, Lieke


    As a third-year PhD-student, I relatively recently entered the wonderful world of scientific Hydrology. A science that has many pillars that directly impact society, for example with the prediction of hydrological extremes (both floods and drought), climate change, applications in agriculture, nature conservation, drinking water supply, etcetera. Despite its demonstrable societal relevance, hydrology is often seen as a science between two stools. Like Klemeš (1986) stated: "By their academic background, hydrologists are foresters, geographers, electrical engineers, geologists, system analysts, physicists, mathematicians, botanists, and most often civil engineers." Sometimes it seems that the engineering genes are still present in current hydrological sciences, and this results in pragmatic rather than scientific approaches for some of the current problems and challenges we have in hydrology. Here, I refer to the uncertainty in hydrological modelling that is often neglected. For over thirty years, uncertainty in hydrological models has been extensively discussed and studied. But it is not difficult to find peer-reviewed articles in which it is implicitly assumed that model simulations represent the truth rather than a conceptualization of reality. For instance in trend studies, where data is extrapolated 100 years ahead. Of course one can use different forcing datasets to estimate the uncertainty of the input data, but how to prevent that the output is not a model artefact, caused by the model structure? Or how about impact studies, e.g. of a dam impacting river flow. Measurements are often available for the period after dam construction, so models are used to simulate river flow before dam construction. Both are compared in order to qualify the effect of the dam. But on what basis can we tell that the model tells us the truth? Model validation is common nowadays, but validation only (comparing observations with model output) is not sufficient to assume that a

  14. Weighted triangulation adjustment (United States)

    Anderson, Walter L.


    The variation of coordinates method is employed to perform a weighted least squares adjustment of horizontal survey networks. Geodetic coordinates are required for each fixed and adjustable station. A preliminary inverse geodetic position computation is made for each observed line. Weights associated with each observed equation for direction, azimuth, and distance are applied in the formation of the normal equations in-the least squares adjustment. The number of normal equations that may be solved is twice the number of new stations and less than 150. When the normal equations are solved, shifts are produced at adjustable stations. Previously computed correction factors are applied to the shifts and a most probable geodetic position is found for each adjustable station. Pinal azimuths and distances are computed. These may be written onto magnetic tape for subsequent computation of state plane or grid coordinates. Input consists of punch cards containing project identification, program options, and position and observation information. Results listed include preliminary and final positions, residuals, observation equations, solution of the normal equations showing magnitudes of shifts, and a plot of each adjusted and fixed station. During processing, data sets containing irrecoverable errors are rejected and the type of error is listed. The computer resumes processing of additional data sets.. Other conditions cause warning-errors to be issued, and processing continues with the current data set.

  15. Creating bulk nanocrystalline metal.

    Energy Technology Data Exchange (ETDEWEB)

    Fredenburg, D. Anthony (Georgia Institute of Technology, Atlanta, GA); Saldana, Christopher J. (Purdue University, West Lafayette, IN); Gill, David D.; Hall, Aaron Christopher; Roemer, Timothy John (Ktech Corporation, Albuquerque, NM); Vogler, Tracy John; Yang, Pin


    Nanocrystalline and nanostructured materials offer unique microstructure-dependent properties that are superior to coarse-grained materials. These materials have been shown to have very high hardness, strength, and wear resistance. However, most current methods of producing nanostructured materials in weapons-relevant materials create powdered metal that must be consolidated into bulk form to be useful. Conventional consolidation methods are not appropriate due to the need to maintain the nanocrystalline structure. This research investigated new ways of creating nanocrystalline material, new methods of consolidating nanocrystalline material, and an analysis of these different methods of creation and consolidation to evaluate their applicability to mesoscale weapons applications where part features are often under 100 {micro}m wide and the material's microstructure must be very small to give homogeneous properties across the feature.

  16. Creating organizational cultures

    DEFF Research Database (Denmark)

    Mouton, Nicolaas T.O.; Just, Sine Nørholm; Gabrielsen, Jonas


    Purpose – The purpose of this paper is to re-conceptualize the relations between rhetorical strategies and material practices in the processes whereby leaders create or change organizational cultures. Design/methodology/approach – The authors compare and contrast two broad perspectives on cultural...... insights. The authors propose an integrated perspective in which material practices and rhetorical strategies are seen as two analytical sides of the same ontological coin. This enables a fuller and more detailed explanation of how organizational cultures are created or changed. A brief illustration...... is provided of the merits of this approach by revisiting the case of Enron. Originality/value – The paper constitutes an initial exploration of how social scientific and rhetorical perspectives on organizational change may be brought closer together. It may provide the first step towards the development...

  17. Can Computers Create Art?


    Hertzmann, Aaron


    This paper discusses whether computers, using Artifical Intelligence (AI), could create art. The first part concerns AI-based tools for assisting with art making. The history of technologies that automated aspects of art is covered, including photography and animation. In each case, we see initial fears and denial of the technology, followed by a blossoming of new creative and professional opportunities for artists. The hype and reality of Artificial Intelligence (AI) tools for art making is ...

  18. Creating product line architectures


    Bayer, J.; Flege, O.; Gacek, C.


    The creation and validation of product line software architectures are inherently more complex than those of software architectures for single systems. This paper compares a process for creating and evaluating a traditional, one-of-a- kind software architecture with one for a reference software architecture. The comparison is done in the context of PuLSE-DSSA, a customizable process that integrates both product line architecture creation and evaluation.

  19. Creating flat design websites

    CERN Document Server

    Pratas, Antonio


    This book contains practical, step-by-step tutorials along with plenty of explanation about designing your flat website. Each section is introduced sequentially, building up your web design skills and completing your website.Creating Flat Design Websites is ideal for you if you are starting on your web development journey, but this book will also benefit seasoned developers wanting to start developing in flat.

  20. Creating Geoscience Leaders (United States)

    Buskop, J.; Buskop, W.


    The United Nations Educational, Scientific, and Cultural Organization recognizes 21 World Heritage in the United States, ten of which have astounding geological features: Wrangell St. Elias National Park, Olympic National Park, Mesa Verde National Park, Chaco Canyon, Glacier National Park, Carlsbad National Park, Mammoth Cave, Great Smokey Mountains National Park, Hawaii Volcanoes National Park, and Everglades National Park. Created by a student frustrated with fellow students addicted to smart phones with an extreme lack of interest in the geosciences, one student visited each World Heritage site in the United States and created one e-book chapter per park. Each chapter was created with original photographs, and a geological discovery hunt to encourage teen involvement in preserving remarkable geological sites. Each chapter describes at least one way young adults can get involved with the geosciences, such a cave geology, glaciology, hydrology, and volcanology. The e-book describes one park per chapter, each chapter providing a geological discovery hunt, information on how to get involved with conservation of the parks, geological maps of the parks, parallels between archaeological and geological sites, and how to talk to a ranger. The young author is approaching UNESCO to publish the work as a free e-book to encourage involvement in UNESCO sites and to prove that the geosciences are fun.

  1. Switched Reluctance Generator Output Voltage Ripple Reduction Based on Fuzzy Sliding Mode

    Directory of Open Access Journals (Sweden)

    Xia Fei


    Full Text Available Aiming at the problem of Switched Reluctance Generator output voltage ripple, this paper designs a fuzzy sliding mode controller based on the analysis of various factors affecting the output voltage ripple. The traditional sliding mode controller has quick convergence, but it has chattering problem. This paper introduces the fuzzy control to select the appropriate sliding mode gain. It can combine with traditional angle control to adjust the output voltage by adjusting the conduction angle. It is more effective in shortening the adjustment time and reducing the overshoot and steady-state of error compared with the classical PID control. Meanwhile, it also solves the chattering problem of traditional sliding mode control. Finally, it makes use of nonlinear model structure to validate that it is effective in restraining voltage ripple and improving the dynamic performance of the system and the voltage quality.

  2. Output order in immediate serial recall. (United States)

    Tan, Lydia; Ward, Geoff


    In two experiments, we examined the effect of output order in immediate serial recall (ISR). In Experiment 1, three groups of participants saw lists of eight words and wrote down the words in the rows corresponding to their serial positions in an eight-row response grid. One group was precued to respond in forward order, a second group was precued to respond in any order, and a third group was postcued for response order. There were significant effects of output order, but not of cue type. Relative to the forward output order, the free output order led to enhanced recency and diminished primacy, with superior performance for words output early in recall. These results were replicated in Experiment 2 using six-item lists, which further suggests that output order plays an important role in the primacy effect in ISR and that the recency items are most highly accessible at recall.

  3. Cooperation in a dynamical adjustment of duopoly game with incomplete information

    Energy Technology Data Exchange (ETDEWEB)

    Ding Zhanwen [Faculty of Science, Jiangsu University, Zhenjiang 212013 (China)], E-mail:; Shi Guiping [Faculty of Science, Jiangsu University, Zhenjiang 212013 (China)


    In the output competition of Cournot game, the adjustment of output is considered under the circumstances that participants have incomplete information. In this paper, two strategies with output's adjustment are mainly discussed: the tit-for-tat strategy and the tit-for-tat strategy with cooperative intention and their dynamic systems, respectively. The result shows that the tit-for-tat strategy may lead to the cooperation of them, but the stability of adjustment system is sensitive to the parameters; while the tit-for-tat strategy with cooperative intention can make the Pareto Optimality stable within the parameters' certain scope.

  4. Cointegration of output, capital, labor, and energy (United States)

    Stresing, R.; Lindenberger, D.; Kã¼mmel, R.


    Cointegration analysis is applied to the linear combinations of the time series of (the logarithms of) output, capital, labor, and energy for Germany, Japan, and the USA since 1960. The computed cointegration vectors represent the output elasticities of the aggregate energy-dependent Cobb-Douglas function. The output elasticities give the economic weights of the production factors capital, labor, and energy. We find that they are for labor much smaller and for energy much larger than the cost shares of these factors. In standard economic theory output elasticities equal cost shares. Our heterodox findings support results obtained with LINEX production functions.

  5. Exercise efficiency of low power output cycling. (United States)

    Reger, M; Peterman, J E; Kram, R; Byrnes, W C


    Exercise efficiency at low power outputs, energetically comparable to daily living activities, can be influenced by homeostatic perturbations (e.g., weight gain/loss). However, an appropriate efficiency calculation for low power outputs used in these studies has not been determined. Fifteen active subjects (seven females, eight males) performed 14, 5-min cycling trials: two types of seated rest (cranks vertical and horizontal), passive (motor-driven) cycling, no-chain cycling, no-load cycling, cycling at low (10, 20, 30, 40 W), and moderate (50, 60, 80, 100, 120 W) power outputs. Mean delta efficiency was 57% for low power outputs compared to 41.3% for moderate power outputs. Means for gross (3.6%) and net (5.7%) efficiencies were low at the lowest power output. At low power outputs, delta and work efficiency values exceeded theoretical values. In conclusion, at low power outputs, none of the common exercise efficiency calculations gave values comparable to theoretical muscle efficiency. However, gross efficiency and the slope and intercept of the metabolic power vs mechanical power output regression provide insights that are still valuable when studying homeostatic perturbations. © 2012 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

  6. High output piezo/triboelectric hybrid generator

    National Research Council Canada - National Science Library

    Jung, Woo-Suk; Kang, Min-Gyu; Moon, Hi Gyu; Baek, Seung-Hyub; Yoon, Seok-Jin; Wang, Zhong-Lin; Kim, Sang-Woo; Kang, Chong-Yun


    .... Here, we demonstrate a hybrid generator which does not use nanostructure but generates much higher output power by a small mechanical force and integrates piezoelectric generator into triboelectric...

  7. Creating sustainable performance. (United States)

    Spreitzer, Gretchen; Porath, Christine


    What makes for sustainable individual and organizational performance? Employees who are thriving-not just satisfied and productive but also engaged in creating the future. The authors found that people who fit this description demonstrated 16% better overall performance, 125% less burnout, 32% more commitment to the organization, and 46% more job satisfaction than their peers. Thriving has two components: vitality, or the sense of being alive and excited, and learning, or the growth that comes from gaining knowledge and skills. Some people naturally build vitality and learning into their jobs, but most employees are influenced by their environment. Four mechanisms, none of which requires heroic effort or major resources, create the conditions for thriving: providing decision-making discretion, sharing information about the organization and its strategy, minimizing incivility, and offering performance feedback. Organizations such as Alaska Airlines, Zingerman's, Quicken Loans, and Caiman Consulting have found that helping people grow and remain energized at work is valiant on its own merits-but it can also boost performance in a sustainable way.

  8. Adjustment of International Students. (United States)

    Stafford, Thomas H., Jr.; And Others


    International students (N=747) completed a questionnaire to obtain information about their adjustment so that special services could be developed for them. Homesickness was their greatest area of concern, as well as housing, social relationships, the English language, and finances. (RC)

  9. Adjustment to Retirement

    NARCIS (Netherlands)

    van Solinge, H.; Krauss Withbourne, S.


    Retirement is an important life course event that marks the start of a new life stage in which work is no longer dominant. Thus, employees have to adjust to the significant life changes that accompany the transition and seek to achieve psychological comfort with their retirement life. This entry

  10. Rural to Urban Adjustment (United States)

    Abramson, Jane A.

    Personal interviews with 100 former farm operators living in Saskatoon, Saskatchewan, were conducted in an attempt to understand the nature of the adjustment process caused by migration from rural to urban surroundings. Requirements for inclusion in the study were that respondents had owned or operated a farm for at least 3 years, had left their…

  11. Psychosocial adjustment following ostomy. (United States)

    Follick, M J; Smith, T W; Turk, D C


    Ostomy patients have been identified as a chronic illness population frequently experiencing adjustment difficulties. The present study, based on the biopsychosocial model (Engel, 1977) of chronic illness, examined a range of post-surgical adjustment difficulties in a sample of 131 ostomy patients. The patient population reported experiencing a significant number of technical, emotional, social, marital/family, and sexual difficulties post-surgically. Technical difficulties were associated with impaired emotional, social, and marital/family functioning. Emotional difficulties were also associated with problematic social, marital/family adjustment, and impaired sexual functioning. Technical problems, emotional difficulties, and social problems were all associated with the patient's perception of having received inadequate preparatory information. Marital/family and sexual maladjustment, on the other hand, were associated with low levels of perceived social support. The results of this investigation are interpreted as supporting the biopsychosocial model of chronic illness, and the clinical implications of these findings are discussed as well as their relation to previous research on adjustment to stressful medical procedures.

  12. Incisor adjustment in rabbits. (United States)

    Brown, Cyndi


    Rabbit incisor teeth are open-rooted and, in healthy animals, grow continuously. Incisor adjustments are often necessary to maintain the health and well-being of rabbits with incisor malocclusion. This column will describe some techniques used to manage incisor malocclusion in the rabbit.

  13. Tourist-created Content

    DEFF Research Database (Denmark)

    Munar, Ana Maria


    study of social media sites and destination brands, relying on qualitative research methods, content analysis and field research. Findings – Tourists are largely contributing to destination image formation, while avoiding the use of the formal elements of the brands. The most popular strategies used...... by destination management organizations exhibit some crucial weaknesses. However, a strategy based on analytics brings new opportunities for destination branding. Originality/value – The study provides an innovative analysis of tourist-created content and its impact on destination branding and presents......Purpose – The purpose of this paper is to analyze the relationship between tourists' user-generated content on the web and destination branding, as well as to discuss the online strategies used by destination management organizations. Design/methodology/approach – The research adopts an exploratory...

  14. Creating nanostars with buckyballs

    Energy Technology Data Exchange (ETDEWEB)

    Bae, Young K., E-mail:


    We report creating superradiant quantum nanoplasmas (nanostars) by impacting buckyballs at hypervelocities (v>100 km/s) in an innovative tabletop apparatus. The nanostars are estimated to have ∼10 TPa transient pressures and convert ∼35% of impact energy into soft-X-ray energy. The ultrahigh-efficiency conversion is proposed to result from Dicke Superradiance of Metastable Innershell Molecular State, originally discovered by the author and his colleagues in 1994. The usage of buckyballs and successful orders-of-magnitude scaling down of the apparatus size and complexity establish an innovative tabletop method for generating, studying, and utilizing matter in planetary or stellar interiors and open doors to numerous unprecedented applications.

  15. Creating Griffith Observatory (United States)

    Cook, Anthony


    Griffith Observatory has been the iconic symbol of the sky for southern California since it began its public mission on May 15, 1935. While the Observatory is widely known as being the gift of Col. Griffith J. Griffith (1850-1919), the story of how Griffith’s gift became reality involves many of the people better known for other contributions that made Los Angeles area an important center of astrophysics in the 20th century. Griffith began drawing up his plans for an observatory and science museum for the people of Los Angeles after looking at Saturn through the newly completed 60-inch reflector on Mt. Wilson. He realized the social impact that viewing the heavens could have if made freely available, and discussing the idea of a public observatory with Mt. Wilson Observatory’s founder, George Ellery Hale, and Director, Walter Adams. This resulted, in 1916, in a will specifying many of the features of Griffith Observatory, and establishing a committee managed trust fund to build it. Astronomy popularizer Mars Baumgardt convinced the committee at the Zeiss Planetarium projector would be appropriate for Griffith’s project after the planetarium was introduced in Germany in 1923. In 1930, the trust committee judged funds to be sufficient to start work on creating Griffith Observatory, and letters from the Committee requesting help in realizing the project were sent to Hale, Adams, Robert Millikan, and other area experts then engaged in creating the 200-inch telescope eventually destined for Palomar Mountain. A Scientific Advisory Committee, headed by Millikan, recommended that Caltech Physicist Edward Kurth be put in charge of building and exhibit design. Kurth, in turn, sought help from artist Russell Porter. The architecture firm of John C. Austin and Fredrick Ashley was selected to design the project, and they adopted the designs of Porter and Kurth. Philip Fox of the Adler Planetarium was enlisted to manage the completion of the Observatory and become its

  16. Creating the living brand. (United States)

    Bendapudi, Neeli; Bendapudi, Venkat


    It's easy to conclude from the literature and the lore that top-notch customer service is the province of a few luxury companies and that any retailer outside that rarefied atmosphere is condemned to offer mediocre service at best. But even companies that position themselves for the mass market can provide outstanding customer-employee interactions and profit from them, if they train employees to reflect the brand's core values. The authors studied the convenience store industry in depth and focused on two that have developed a devoted following: QuikTrip (QT) and Wawa. Turnover rates at QT and Wawa are 14% and 22% respectively, much lower than the typical rate in retail. The authors found six principles that both firms embrace to create a strong culture of customer service. Know what you're looking for: A focus on candidates' intrinsic traits allows the companies to hire people who will naturally bring the right qualities to the job. Make the most of talent: In mass-market retail, talent is generally viewed as a commodity, but that outlook becomes a self-fulfilling prophesy. Create pride in the brand: Service quality depends directly on employees' attachment to the brand. Build community: Wawa and QT have made concerted efforts to build customer loyalty through a sense of community. Share the business context: Employees need a clear understanding of how their company operates and how it defines success. Satisfy the soul: To win an employee's passionate engagement, a company must meet his or her needs for security, esteem, and justice.

  17. Identifying the challenges of creating an optimal dissemination ...

    African Journals Online (AJOL)

    Helene Verhoef

    Ang L, 2009). Output areas for New Zealand were created by using a modified AZTool. According to Statistics NZ, the algorithm deployed by the tool is Openshaw's zone design algorithm. (Openshaw, 1977 and 1978) which addresses scale effects and geographical partitioning (i.e. the modifiable areal unit problem, MAUP).

  18. Communicating disparity: How social design can create public ...

    African Journals Online (AJOL)

    The article looks at a selection of recent communicative responses to social inequality and finds that storytelling, including its tools and delivery, is crucial to the success of any public and community engagement ... Ultimately, this article creates a platform upon which this type of social design thinking and output can develop.

  19. Assessing the psychological factors predicting workers' output ...

    African Journals Online (AJOL)

    The study investigated job security, communication skills, interpersonal relationship and emotional intelligence as correlates of workers' output among local government employees in Oyo State. The research adopted descriptive design of an expose facto type. The research instruments used includes Workers' output scale, ...

  20. Use of CAD output to guide the intelligent display of digital mammograms (United States)

    Bloomquist, Aili K.; Yaffe, Martin J.; Mawdsley, Gordon E.; Morgan, Trevor; Rico, Dan; Jong, Roberta A.


    For digital mammography to be efficient, methods are needed to choose an initial default image presentation that maximizes the amount of relevant information perceived by the radiologist and minimizes the amount of time spent adjusting the image display parameters. The purpose of this work is to explore the possibility of using the output of computer aided detection (CAD) software to guide image enhancement and presentation. A set of 16 digital mammograms with lesions of known pathology was used to develop and evaluate an enhancement and display protocol to improve the initial softcopy presentation of digital mammograms. Lesions were identified by CAD and the DICOM structured report produced by the CAD program was used to determine what enhancement algorithm should be applied in the identified regions of the image. An improved version of contrast limited adaptive histogram equalization (CLAHE) is used to enhance calcifications. For masses, the image is first smoothed using a non-linear diffusion technique; subsequently, local contrast is enhanced with a method based on morphological operators. A non-linear lookup table is automatically created to optimize the contrast in the regions of interest (detected lesions) without losing the context of the periphery of the breast. The effectiveness of the enhancement will be compared with the default presentation of the images using a forced choice preference study.

  1. Probability output modeling for support vector machines (United States)

    Zhang, Xiang; Xiao, Xiaoling; Tian, Jinwen; Liu, Jian


    In this paper we propose an approach to model the posterior probability output of multi-class SVMs. The sigmoid function is used to estimate the posterior probability output in binary classification. This approach modeling the posterior probability output of multi-class SVMs is achieved by directly solving the equations that are based on the combination of the probability outputs of binary classifiers using the Bayes's rule. The differences and different weights among these two-class SVM classifiers, based on the posterior probability, are considered and given for the combination of the probability outputs among these two-class SVM classifiers in this method. The comparative experiment results show that our method achieves the better classification precision and the better probability distribution of the posterior probability than the pairwise couping method and the Hastie's optimization method.

  2. Metric adjusted skew information

    DEFF Research Database (Denmark)

    Hansen, Frank


    establish a connection between the geometrical formulation of quantum statistics as proposed by Chentsov and Morozova and measures of quantum information as introduced by Wigner and Yanase and extended in this article. We show that the set of normalized Morozova-Chentsov functions describing the possible...... quantum statistics is a Bauer simplex and determine its extreme points. We determine a particularly simple skew information, the "¿-skew information," parametrized by a ¿ ¿ (0, 1], and show that the convex cone this family generates coincides with the set of all metric adjusted skew informations.......We extend the concept of Wigner-Yanase-Dyson skew information to something we call "metric adjusted skew information" (of a state with respect to a conserved observable). This "skew information" is intended to be a non-negative quantity bounded by the variance (of an observable in a state...

  3. Sustainable urban regime adjustments

    DEFF Research Database (Denmark)

    Quitzau, Maj-Britt; Jensen, Jens Stissing; Elle, Morten


    The endogenous agency that urban governments increasingly portray by making conscious and planned efforts to adjust the regimes they operate within is currently not well captured in transition studies. There is a need to acknowledge the ambiguity of regime enactment at the urban scale. This directs...... attention to the transformative implications of conscious strategic maneuvering by incumbent regime actors, when confronting regime structurations. This article provides insight to processes of regime enactment performed by local governments by applying a flow-oriented perspective on regime dynamics......, inspired by Actor-Network Theory to demonstrate that regime incumbent actors can induce gradual regime adjustments at the urban scale. This is done through a case study of an urban development project, where the Municipality of Egedal in Denmark has successfully promoted energy efficient buildings through...

  4. Adjustable Autonomy Testbed (United States)

    Malin, Jane T.; Schrenkenghost, Debra K.


    The Adjustable Autonomy Testbed (AAT) is a simulation-based testbed located in the Intelligent Systems Laboratory in the Automation, Robotics and Simulation Division at NASA Johnson Space Center. The purpose of the testbed is to support evaluation and validation of prototypes of adjustable autonomous agent software for control and fault management for complex systems. The AA T project has developed prototype adjustable autonomous agent software and human interfaces for cooperative fault management. This software builds on current autonomous agent technology by altering the architecture, components and interfaces for effective teamwork between autonomous systems and human experts. Autonomous agents include a planner, flexible executive, low level control and deductive model-based fault isolation. Adjustable autonomy is intended to increase the flexibility and effectiveness of fault management with an autonomous system. The test domain for this work is control of advanced life support systems for habitats for planetary exploration. The CONFIG hybrid discrete event simulation environment provides flexible and dynamically reconfigurable models of the behavior of components and fluids in the life support systems. Both discrete event and continuous (discrete time) simulation are supported, and flows and pressures are computed globally. This provides fast dynamic simulations of interacting hardware systems in closed loops that can be reconfigured during operations scenarios, producing complex cascading effects of operations and failures. Current object-oriented model libraries support modeling of fluid systems, and models have been developed of physico-chemical and biological subsystems for processing advanced life support gases. In FY01, water recovery system models will be developed.

  5. Automatic temperature adjustment apparatus (United States)

    Chaplin, James E.


    An apparatus for increasing the efficiency of a conventional central space heating system is disclosed. The temperature of a fluid heating medium is adjusted based on a measurement of the external temperature, and a system parameter. The system parameter is periodically modified based on a closed loop process that monitors the operation of the heating system. This closed loop process provides a heating medium temperature value that is very near the optimum for energy efficiency.

  6. Mechanism For Adjustment Of Commutation Of Brushless Motor (United States)

    Schaefer, Richard E.


    Mechanism enables adjustment of angular position of set of Hall-effect devices that sense instantaneous shaft angle of brushless dc motor. Outputs of sensors fed to commutation circuitry. Measurement of shaft angle essential for commutation; that is, application of voltage to stator windings must be synchronized with shaft angle. To obtain correct angle measurement for commutation, Hall-effect angle sensors positioned at proper reference angle. The present mechanism accelerates adjustment procedure and makes it possible to obtain more accurate indication of minimum-current position because it provides for adjustment while motor running.

  7. Measuring Potential Output and Output Gap and Macroeconomic Policy: The Case of Kenya


    Angelica E. Njuguna; Stephen N. Karingi; Mwangi S. Kimenyi


    Measuring the level of an economy.s potential output and output gap are essential in identifying a sustainable non-inflationary growth and assessing appropriate macroeconomic policies. The estimation of potential output helps to determine the pace of sustainable growth while output gap estimates provide a key benchmark against which to assess inflationary or disinflationary pressures suggesting when to tighten or ease monetary policies. These measures also help to provide a gauge in the deter...

  8. Creating alternatives in science (United States)


    Traditional scientist training at the PhD level does not prepare students to be competitive in biotechnology or other non-academic science careers. Some universities have developed biotechnology-relevant doctoral programmes, but most have not. Forming a life science career club makes a statement to university administrators that it is time to rework the curriculum to include biotechnology-relevant training. A career club can supplement traditional PhD training by introducing students to available career choices, help them develop a personal network and teach the business skills that they will need to be competitive in science outside of academia. This paper is an instructional guide designed to help students create a science career club at their own university. These suggestions are based on the experience gained in establishing such a club for the Graduate School at the University of Colorado Denver. We describe the activities that can be offered, the job descriptions for the offices required and potential challenges. With determination, a creative spirit, and the guidance of this paper, students should be able to greatly increase awareness of science career options, and begin building the skills necessary to become competitive in non-academic science. PMID:20161069

  9. Creating an open mind. (United States)

    Monaghan, Duncan


    Duncan Monaghan is 33 years old and in his second year of an Arts degree in Creative Writing. He is a published poet and is currently producing a music CD. Duncan has a history of bipolar disorder which was diagnosed when he was nineteen: "It worried me at first a lot. It played on my mind constantly. I felt different from everybody else--I did not understand what was happening to me." Drawing on his life experiences, Duncan has been enhancing his recovery through creativity--in poetry, lyrics, music and story. "Life for me was a constant battle of relying on medication and appointments with my case manager...until I realized I could combine my recovery with my passions as a tool to use as an outlet to many of the "mind traps" I so often found hindering my own recovery." Duncan is Aboriginal and has experience of the mental health systems in most states and territories and now lives in Brisbane. This is a shortened version of his presentation at Creating Futures 2010.

  10. Disparities in cardiovascular research output and citations from 52 African countries: a time-trend, bibliometric analysis (1999-2008)

    National Research Council Canada - National Science Library

    Bloomfield, Gerald S; Baldridge, Abigail; Agarwal, Anubha; Huffman, Mark D; Colantonio, Lisandro D; Bahiru, Ehete; Ajay, Vamadevan S; Prabhakaran, Poornima; Lewison, Grant; Prabhakaran, Dorairaj


    .... However, data from the continent are limited. To evaluate the cardiovascular research output and citations from 52 African countries between 1999 and 2008, we created a bibliometric filter to capture cardiovascular research articles published...

  11. High Output Piezo/Triboelectric Hybrid Generator (United States)

    Jung, Woo-Suk; Kang, Min-Gyu; Moon, Hi Gyu; Baek, Seung-Hyub; Yoon, Seok-Jin; Wang, Zhong-Lin; Kim, Sang-Woo; Kang, Chong-Yun


    Recently, piezoelectric and triboelectric energy harvesting devices have been developed to convert mechanical energy into electrical energy. Especially, it is well known that triboelectric nanogenerators have a simple structure and a high output voltage. However, whereas nanostructures improve the output of triboelectric generators, its fabrication process is still complicated and unfavorable in term of the large scale and long-time durability of the device. Here, we demonstrate a hybrid generator which does not use nanostructure but generates much higher output power by a small mechanical force and integrates piezoelectric generator into triboelectric generator, derived from the simultaneous use of piezoelectric and triboelectric mechanisms in one press-and-release cycle. This hybrid generator combines high piezoelectric output current and triboelectric output voltage, which produces peak output voltage of ~370 V, current density of ~12 μ, and average power density of ~4.44 The output power successfully lit up 600 LED bulbs by the application of a 0.2 N mechanical force and it charged a 10 μF capacitor to 10 V in 25 s. Beyond energy harvesting, this work will provide new opportunities for developing a small, built-in power source in self-powered electronics such as mobile electronics.

  12. Adjusted Spectral Matched Filter for Target Detection in Hyperspectral Imagery

    Directory of Open Access Journals (Sweden)

    Lianru Gao


    Full Text Available Supervised target detection and anomaly detection are widely used in various applications, depending upon the availability of target spectral signature. Basically, they are based on a similar linear process, which makes them highly correlated. In this paper, we propose a novel adjusted spectral matched filter (ASMF for hyperspectral target detection, which aims to effectively improve target detection performance with anomaly detection output. Specifically, a typical case is presented by using the Reed-Xiaoli (RX anomaly detector to adjust the output of supervised constrained energy minimization (CEM detector. The adjustment is appropriately controlled by a weighting parameter in different detection scenarios. Experiments were implemented by using both synthetic and real hyperspectral datasets. Compared to the traditional single detection method (e.g., CEM, the experimental results demonstrate that the proposed ASMF can effectively improve its performance by utilizing the result from an anomaly detector (e.g., RX, particularly in situations with a complex background or strong anomalies.

  13. Adjustable Reeds For Weaving (United States)

    Farley, Gary L.


    Local characteristics of fabrics varied to suit special applications. Adjustable reed machinery proposed for use in weaving fabrics in various net shapes, widths, yarn spacings, and yarn angles. Locations of edges of fabric and configuration of warp and filling yarns varied along fabric to obtain specified properties. In machinery, reed wires mounted in groups on sliders, mounted on lengthwise rails in reed frame. Mechanisms incorporated to move sliders lengthwise, parallel to warp yarns, by sliding them along rails; move sliders crosswise by translating reed frame rails perpendicular to warp yarns; and crosswise by spreading reed rails within group. Profile of reed wires in group on each slider changed.

  14. CMOS upconversion mixer with filterless carrier feedthrough cancelation and output power tuning

    NARCIS (Netherlands)

    Sanchez Gaspariano, Luis Abraham; Annema, Anne J.; Muniz Montero, Carlos; Diaz Sanchez, Alejandro


    The synthesis, design and implementation of a CMOS upconversion mixer that both can adjust, by means of a DC voltage control, its output power and that cancels the carrier feedthrough is presented. Aiming at very low cost medical implant applications, a prototype of the architecture was implemented

  15. Enhanced output entanglement with reservoir engineering (United States)

    Yan, Xiao-Bo


    We study the output entanglement in a three-mode optomechanical system via reservoir engineering by shifting the center frequency of filter function away from resonant frequency. We find the bandwidth of the filter function can suppress the entanglement in the vicinity of resonant frequency of the system, while the entanglement will become strong if the center frequency departs from the resonant frequency. We obtain the approximate analytical expressions of the output entanglement, from which we give the optimal center frequency at which the entanglement takes the maximum. Furthermore, we study the effects of time delay between the two output fields on the output entanglement, and obtain the optimal time delay for the case of large filter bandwidth.

  16. Input-output rearrangement of isolated converters

    DEFF Research Database (Denmark)

    Madsen, Mickey Pierre; Kovacevic, Milovan; Mønster, Jakob Døllner


    This paper presents a new way of rearranging the input and output of isolated converters. The new arrangement posses several advantages, as increased voltage range, higher power handling capabilities, reduced voltage stress and improved efficiency, for applications where galvanic isolation...

  17. Continuously adjustable Pulfrich spectacles (United States)

    Jacobs, Ken; Karpf, Ron


    A number of Pulfrich 3-D movies and TV shows have been produced, but the standard implementation has inherent drawbacks. The movie and TV industries have correctly concluded that the standard Pulfrich 3-D implementation is not a useful 3-D technique. Continuously Adjustable Pulfrich Spectacles (CAPS) is a new implementation of the Pulfrich effect that allows any scene containing movement in a standard 2-D movie, which are most scenes, to be optionally viewed in 3-D using inexpensive viewing specs. Recent scientific results in the fields of human perception, optoelectronics, video compression and video format conversion are translated into a new implementation of Pulfrich 3- D. CAPS uses these results to continuously adjust to the movie so that the viewing spectacles always conform to the optical density that optimizes the Pulfrich stereoscopic illusion. CAPS instantly provides 3-D immersion to any moving scene in any 2-D movie. Without the glasses, the movie will appear as a normal 2-D image. CAPS work on any viewing device, and with any distribution medium. CAPS is appropriate for viewing Internet streamed movies in 3-D.

  18. Adjustment disorder: current perspectives

    Directory of Open Access Journals (Sweden)

    Zelviene P


    Full Text Available Paulina Zelviene, Evaldas Kazlauskas Department of Clinical and Organizational Psychology, Vilnius University, Vilnius, Lithuania Abstract: Adjustment disorder (AjD is among the most often diagnosed mental disorders in clinical practice. This paper reviews current status of AjD research and discusses scientific and clinical issues associated with AjD. AjD has been included in diagnostic classifications for over 50 years. Still, the diagnostic criteria for AjD remain vague and cause difficulties to mental health professionals. Controversies in definition resulted in the lack of reliable and valid measures of AjD. Epidemiological data on prevalence of AjD is scarce and not reliable because prevalence data are biased by the diagnostic algorithm, which is usually developed for each study, as no established diagnostic standards for AjD are available. Considerable changes in the field of AjD could follow after the release of the 11th edition of International Classification of Diseases (ICD-11. A new AjD symptom profile was introduced in ICD-11 with 2 main symptoms as follows: 1 preoccupation and 2 failure to adapt. However, differences between the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition and ICD-11 AjD diagnostic criteria could result in diverse research findings in the future. The best treatment approach for AjD remains unclear, and further treatment studies are needed to provide AjD treatment guidelines to clinicians. Keywords: adjustment disorder, review, diagnosis, prevalence, treatment, DSM, ICD

  19. Anomalous light output from lightning dart leaders (United States)

    Guo, C.; Krider, E. P.


    About 5 percent of the multiple-stroke cloud-to-ground lightning discharges recorded at the NASA Kennedy Space Center during the summer of 1981 contained dart leaders that produced an unusually large light output. An analysis of these cases indicates that the average peak light output per unit length in the leader may be comparable to or even exceed that of the return stroke that follows.

  20. Adjusting to the Emergent

    DEFF Research Database (Denmark)

    Revsbæk, Line

    In her doctoral thesis Line Revsbæk explores newcomer innovation related to organizational entry processes in a changing organization. She introduces process philosophy and complexity theory to research on organizational socialization and newcomer innovation. The study challenges assumptions...... in standardized induction programs where newcomers are cast in roles as insecure novices needing to be “taught the ropes” of the organizational culture. Linked with this, it is suggested that the prevailing dichotomy of ‘newcomer assimilation’ versus ‘organizational accommodation’ is replaced with a notion...... of ‘adjusting to the emergent’. Newcomer innovation is portrayed as carrying a variety of possible significations, such as unintentional innovation effects of newcomer’s proactive self-socializing behavior; an inspirational basis for designing innovation-generating employee induction; ‘resonant instances...

  1. Adjusting to the Emergent

    DEFF Research Database (Denmark)

    Revsbæk, Line

    of ‘adjusting to the emergent’. Newcomer innovation is portrayed as carrying a variety of possible significations, such as unintentional innovation effects of newcomer’s proactive self-socializing behavior; an inspirational basis for designing innovation-generating employee induction; ‘resonant instances......In her doctoral thesis Line Revsbaek explores newcomer innovation related to organizational entry processes in a changing organization. She introduces process philosophy and complexity theory to research on organizational socialization and newcomer innovation. The study challenges assumptions......’ of newcomers enacting the organizational emergent. The study throws light on the informal socialization in work-related interactions between newcomers and veterans and reveals professional relational histories, as well as the relationship between veteran coworker and hiring manager, to be important aspects...

  2. SARAH 3.2: Dirac gauginos, UFO output, and more (United States)

    Staub, Florian


    SARAH is a Mathematica package optimized for the fast, efficient and precise study of supersymmetric models beyond the MSSM: a new model can be defined in a short form and all vertices are derived. This allows SARAH to create model files for FeynArts/FormCalc, CalcHep/CompHep and WHIZARD/O'Mega. The newest version of SARAH now provides the possibility to create model files in the UFO format which is supported by MadGraph 5, MadAnalysis 5, GoSam, and soon by Herwig++. Furthermore, SARAH also calculates the mass matrices, RGEs and 1-loop corrections to the mass spectrum. This information is used to write source code for SPheno in order to create a precision spectrum generator for the given model. This spectrum-generator-generator functionality as well as the output of WHIZARD and CalcHep model files has seen further improvement in this version. Also models including Dirac gauginos are supported with the new version of SARAH, and additional checks for the consistency of the implementation of new models have been created. Program summaryProgram title:SARAH Catalogue identifier: AEIB_v2_0 Program summary URL: Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, No. of lines in distributed program, including test data, etc.: 3 22 411 No. of bytes in distributed program, including test data, etc.: 3 629 206 Distribution format: tar.gz Programming language: Mathematica. Computer: All for which Mathematica is available. Operating system: All for which Mathematica is available. Classification: 11.1, 11.6. Catalogue identifier of previous version: AEIB_v1_0 Journal reference of previous version: Comput. Phys. Comm. 182 (2011) 808 Does the new version supersede the previous version?: Yes, the new version includes all known features of the previous version but also provides the new features mentioned below

  3. Problems in Modelling Charge Output Accelerometers

    Directory of Open Access Journals (Sweden)

    Tomczyk Krzysztof


    Full Text Available The paper presents major issues associated with the problem of modelling change output accelerometers. The presented solutions are based on the weighted least squares (WLS method using transformation of the complex frequency response of the sensors. The main assumptions of the WLS method and a mathematical model of charge output accelerometers are presented in first two sections of this paper. In the next sections applying the WLS method to estimation of the accelerometer model parameters is discussed and the associated uncertainties are determined. Finally, the results of modelling a PCB357B73 charge output accelerometer are analysed in the last section of this paper. All calculations were executed using the MathCad software program. The main stages of these calculations are presented in Appendices A−E.

  4. Output-Based Control of Robots with Variable Stiffness Actuation

    Directory of Open Access Journals (Sweden)

    Gianluca Palli


    Full Text Available The output-based control of a redundant robotic manipulator with relevant and adjustable joint stiffness is addressed. The proposed controller is configured as a cascade system that allows the decoupling of the actuators dynamics from the arm dynamics and the consequent reduction of the order of the manipulator dynamic model. Moreover, the proposed controller does not require the knowledge of the whole robot state: only the positions of the actuators and of the joints are necessary. This approach represents a significant simplification with respect to previously proposed state feedback techniques. The problem of controlling simultaneously the position trajectory and the desired stiffness in both the joint and work space is investigated, and the relations between the manipulator redundancy and the selection of both the joint and work space stiffness of the manipulator are discussed. The effectiveness of the proposed approach is verified by simulations of a 3 degrees of freedom planar manipulator.

  5. Near continuous cardiac output by thermodilution. (United States)

    Jansen, J R; Johnson, R W; Yan, J Y; Verdouw, P D


    A new thermodilution method for frequent (near continuous) estimation of cardiac output, without manual injection of fluid into the blood, was tested. The method utilizes a pulmonary artery catheter equipped with a fluid filled heat exchanger. The technique is based on cyclic cooling of the blood in the right atrium and measurement of the temperature changes in the pulmonary artery. Using this technique, a new estimate of cardiac output can be obtained every 32 s. Cardiac output estimates, obtained for a running mean of three measurements with this method, were compared to the mean of three conventional thermodilution measurements. The measurements were obtained during short periods of stable respiration and circulation. In six pigs, we made 46 paired measurements of conventional thermodilution (TD) and near continuous (TDc) thermodilution. The cardiac output (COTD) ranged from 2.4-13.7 l/min (mean 5.4 l/min). The best linear fit through the paired data points was COTDc = -0.57 + 1.01 COTD. The mean difference between the methods was -0.50 l/min (S.D. = 0.39). The mean coefficient of variation of repeated measurements with the near continuous thermodilution was 3.6%. Considering changes of more than 0.25 l/min to be significant, all changes in cardiac output measured by conventional thermodilution were followed by the running mean of three near continuous thermodilution estimates. This study demonstrates the feasibility of the new method to monitor cardiac output, and to detect all changes greater than 0.25 l/min.

  6. Explaining output volatility: The case of taxation

    DEFF Research Database (Denmark)

    Posch, Olaf

    This paper studies the effects of taxation on output volatility in OECD countries to shed light on the sources of observed heterogeneity over time and across countries. To this end, we derive tax effects on macro aggregates in a stochastic neoclassical model. As a result, taxes are shown to affect...... the second moment of output growth rates without (long-run) effects on the first moment. Taking the model to the data, we exploit observed heterogeneity patterns to estimate effects of tax rates on macro volatility using panel estimation, explicitly modeling the unobserved variance process. We find a strong...


    Directory of Open Access Journals (Sweden)

    Oleksandr V. Tebenko


    Full Text Available Tools for sites building that offer users the ability to work together, an actual theme in information society and modern Web technologies. This article considers the SharePoint system, which enables to create sites of any complexity, including large portals with a complex structure of documents. Purpose of this article is to consider the main points of site creating and its setting with tools of SharePoint system, namely: a site template creating and configuring, web application environment to create and configure Web applications, change of existing and creation of new theme site, a web part setting.

  8. Creating a family health history (United States)

    Family health history; Create a family health history; Family medical history ... include your: Genes Diet and exercise habits Environment Family members tend to share certain behaviors, genetic traits, ...

  9. Estimation of Potential GDP and output Gap. Comparative Perspective

    Directory of Open Access Journals (Sweden)

    Dorin Măntescu


    Full Text Available The purpose of the analysis is to assess the impact of the crisis on the potential output and output gaps, to study their evolution by using a comparative approach for a sample of EU countries that were in majority included recently in financial assistance and macroeconomic adjustment programmes. The potential GDP growth rates calculated using the Cobb Douglas production function and Hodrick-Prescott methodology, decelerated substantially across the board in the countries studied once the international economic and financial crisis hit, recording even negative rates of growth in Cyprus, Greece, Portugal, Italy and Spain. In addition to the specific factors that characterise each country, there is a series of common features that will affect the developments of the potential GDP on a long-term basis, such as the increase of global risk aversion correlated with the reduction of the banking exposures, the slow economic recovery in the EU, and last but not least the incoming ageing process, which will exert an additional negative impact on the growth potential of the EU member states. The article makes a series of economic policy recommendations to promote key measures aiming to increase the flexibility of the goods, services, and labour markets, to improve the prioritisation of public expenditures especially capital spending, and to improve the management of the public assets including real estate and public buildings by promoting a mix of measures including privatisation, monetisation and a wider involvement of the private sector in their management.

  10. A study of potential output and output gap in the Czech Republic

    Directory of Open Access Journals (Sweden)

    Václav Adamec


    Full Text Available Analysis of economic cycle is of enormous importance for monitoring economic output and explaining price and wage inflation. It provides essential information for shaping economic and monetary policy of central authorities. Several methods are currently available to estimate potential output and output gap. In the current study, methods of Hodrick-Prescott filter and Cobb-Douglas production function were implemented to estimate potential output, which cannot be empirically observed. For the purpose of comparing the above methods, quarterly and annual time series of real GDP, labour and gross fixed capital starting in 1996 were used for estimation of the output gap. Relative contributions of labour, fixed capital formation and technology improvement factor towards growth of potential output were quantified for the studied series. The Cobb-Douglas production function appears to be superior to Hodrick-Prescott filter in providing quality estimates of potential output. Hodrick-Prescott filter allows estimation of potential output; nevertheless, it fails to identify components of cyclic behaviour of economic activity. Cobb-Douglas production function describes level of potential product assuming average utilization of production factors. A detailed analysis of components of economic growth in the observed period is provided.

  11. Creating

    DEFF Research Database (Denmark)

    Andersen, Kristina Vaarst; Lorenzen, Mark; Laursen, Stine


    This unique book reveals the procedural aspects of knowledge-based urban planning, development and assessment. Concentrating on major knowledge city building processes, and providing state-of-the-art experiences and perspectives, this important compendium explores innovative models, approaches an...

  12. Synaptic control of the shape of the motoneuron pool input-output function. (United States)

    Powers, Randall K; Heckman, Charles J


    Although motoneurons have often been considered to be fairly linear transducers of synaptic input, recent evidence suggests that strong persistent inward currents (PICs) in motoneurons allow neuromodulatory and inhibitory synaptic inputs to induce large nonlinearities in the relation between the level of excitatory input and motor output. To try to estimate the possible extent of this nonlinearity, we developed a pool of model motoneurons designed to replicate the characteristics of motoneuron input-output properties measured in medial gastrocnemius motoneurons in the decerebrate cat with voltage-clamp and current-clamp techniques. We drove the model pool with a range of synaptic inputs consisting of various mixtures of excitation, inhibition, and neuromodulation. We then looked at the relation between excitatory drive and total pool output. Our results revealed that the PICs not only enhance gain but also induce a strong nonlinearity in the relation between the average firing rate of the motoneuron pool and the level of excitatory input. The relation between the total simulated force output and input was somewhat more linear because of higher force outputs in later-recruited units. We also found that the nonlinearity can be increased by increasing neuromodulatory input and/or balanced inhibitory input and minimized by a reciprocal, push-pull pattern of inhibition. We consider the possibility that a flexible input-output function may allow motor output to be tuned to match the widely varying demands of the normal motor repertoire. NEW & NOTEWORTHY Motoneuron activity is generally considered to reflect the level of excitatory drive. However, the activation of voltage-dependent intrinsic conductances can distort the relation between excitatory drive and the total output of a pool of motoneurons. Using a pool of realistic motoneuron models, we show that pool output can be a highly nonlinear function of synaptic input but linearity can be achieved through adjusting the

  13. Meting Output Onderzoek FSW/EUR

    NARCIS (Netherlands)

    W. de Koster (Willem); M.J. van Meeteren (Masja); R. Veenhoven (Ruut)


    textabstractBinnen de universiteiten wordt het onderzoeksbeleid in toenemende mate ‘gerationaliseerd’. Dit houdt onder meer in dat de input aan menskracht en budgetten sterker afhankelijk wordt gemaakt van de output. Bestuurders sluizen dan meer middelen naar mensen en groepen die betere

  14. Line driver with adaptive output impedance

    NARCIS (Netherlands)

    Nauta, Bram


    A line driver comprising: an input terminal for receiving an input signal, an output terminal for connecting a load, a first and a second transconductance-controlled transconductor having substantially equal transconductances, each transconductor having a non-inverting input, an inverting input, an

  15. Farm-Level Determinants of output Commercialization:

    African Journals Online (AJOL)


    based farmers are family size, land size, age, livestock holding and dependency ratio. The study recommends that policy ... haricot bean output commercialization among smallholder farmers in moisture-stress areas of East Shewa and West Arsi .... the variables into its natural logarithm form.The model estimation resultwas ...

  16. Research Output, Socialization, and the Biglan Model. (United States)

    Creswell, John W.; Bean, John P.


    A test of the Biglan model of faculty subcultures using measures of research output and tests of the model controlling for the effects of faculty socialization are described. The Biglan model is found to be valid, and the distinctiveness of the Biglan groups appears to increase with the socialization of faculty into subject areas. (Author/MLW)

  17. Comparison of cardiac output measurement techniques

    DEFF Research Database (Denmark)

    Espersen, K; Jensen, E W; Rosenborg, D


    Simultaneously measured cardiac output obtained by thermodilution (TD), transcutaneous suprasternal ultrasonic Doppler (DOP), CO2-rebreathing (CR) and the direct Fick method (FI) were compared in eleven healthy subjects in a supine position (SU), a sitting position (SI), and during sitting exerci...

  18. Predicting Color Output of Additive Manufactured Parts

    DEFF Research Database (Denmark)

    Eiríksson, Eyþór Rúnar; Pedersen, David Bue; Aanæs, Henrik


    In this paper we address the colorimetric performance of a multicolor additive manufacturing process. A method on how to measure and characterize color performance of said process is presented. Furthermore, a method on predicting the color output is demonstrated, allowing for previsualization...

  19. Fast output-sensitive matrix multiplication

    DEFF Research Database (Denmark)

    Jacob, Riko; Stöckel, Morten


    We consider the problem of multiplying two $U \\times U$ matrices $A$ and $C$ of elements from a field $\\F$. We present a new randomized algorithm that can use the known fast square matrix multiplication algorithms to perform fewer arithmetic operations than the current state of the art for output...

  20. Output Dynamics, Technology, and Public Investment

    NARCIS (Netherlands)

    Duarte Bom, P.R.; Heijdra, B.J.; Ligthart, J.E.


    The paper studies the dynamic output effects of public infrastructure investment in a small open economy. We develop an overlapping generations model that includes a production externality of public capital and a wealth effect on labor supply. Public capital enters the firm's production function


    African Journals Online (AJOL)

    iya beji

    This being the case, the government is advised to make the rural areas, where majority of farmers reside, a priority in its malaria control efforts. Key Words: Malaria burden; Nigerian agricultural output; and malaria control efforts. INTRODUCTION. Malaria is a serious problem in Africa (Gallup and Sachs, 2001; Shepard, et al,.

  2. Income distributions in input-output models

    NARCIS (Netherlands)

    Steenge, Albert E.; Serrano, Monica


    The analysis of income distribution (ID) has traditionally been of prime importance for economists and policy-makers. However, the standard input-output (I-O) model is not particularly well equipped for studying current issues such as the consequences of decreasing access to primary inputs or the

  3. Creating Our Own Online Community

    Directory of Open Access Journals (Sweden)

    Mihaela TUTUNEA


    Full Text Available Creating our own online community is easy to do, by welcoming those who have an active presence online; first of all, we must have a well developed strategy of our own "empire", starting from the idea of creating the final benefit for our cyber-consumers.

  4. Creating Student-Friendly Tests (United States)

    Salend, Spencer J.


    Creating a fair, reliable, teacher-made test is a challenge. Every year poorly designed tests fail to accurately measure many students' learning--and negatively affect their academic futures. Salend, a well-known writer on assessment for at-risk students who consults with schools on assessment procedures, offers guidelines for creating tests that…

  5. Functional form and risk adjustment of hospital costs: Bayesian analysis of a Box-Cox random coefficients model. (United States)

    Hollenbeak, Christopher S


    While risk-adjusted outcomes are often used to compare the performance of hospitals and physicians, the most appropriate functional form for the risk adjustment process is not always obvious for continuous outcomes such as costs. Semi-log models are used most often to correct skewness in cost data, but there has been limited research to determine whether the log transformation is sufficient or whether another transformation is more appropriate. This study explores the most appropriate functional form for risk-adjusting the cost of coronary artery bypass graft (CABG) surgery. Data included patients undergoing CABG surgery at four hospitals in the midwest and were fit to a Box-Cox model with random coefficients (BCRC) using Markov chain Monte Carlo methods. Marginal likelihoods and Bayes factors were computed to perform model comparison of alternative model specifications. Rankings of hospital performance were created from the simulation output and the rankings produced by Bayesian estimates were compared to rankings produced by standard models fit using classical methods. Results suggest that, for these data, the most appropriate functional form is not logarithmic, but corresponds to a Box-Cox transformation of -1. Furthermore, Bayes factors overwhelmingly rejected the natural log transformation. However, the hospital ranking induced by the BCRC model was not different from the ranking produced by maximum likelihood estimates of either the linear or semi-log model. Copyright (c) 2005 John Wiley & Sons, Ltd.

  6. Adjusting Curricular Design to

    Directory of Open Access Journals (Sweden)

    Ryan Egan


    Full Text Available Developing learners’ ability to self-regulate their own learning has been an ideal sought after by researchers and practitioners alike. Over the past 40 years a plethora of educational psychology research on self-regulated learning (SRL has flooded the literature. In this article I attempt to consolidate key theories from this literature base and propose a 6-point strategy to CREATE a culture of SRL. I will argue that instructors must communicate proximal and long-term goals that have been negotiated by a community of learners, substantially reward all positive aspects of the learning process, judge and reward the learning process by assigning elaborative learning assessments, realistically attribute success and failure to appropriate processes, and tune ineffective strategies and goals to allow the curriculum to evolve in accordance with learner difficulty and success.Enseigner aux apprenants la capacité d’autoréguler leur propre apprentissage est un idéal que poursuivent les chercheurs et les praticiens. Au cours des quarante dernières années, il y a eu surabondance d’études sur l’autorégulation de l’apprentissage dans la littérature sur la psychologie de l’éducation. Dans cet article, l’auteur tente de regrouper les principales théories tirées de cette documentation et de proposer une stratégie composée de six éléments contribuant à la création d’une culture de l’autorégulation. Il soutient que les enseignants doivent communiquer les objectifs à court et à long terme convenus par les apprenants, reconnaître de façon marquée tous aspects positifs du processus d’apprentissage, évaluer et reconnaître ce processus en donnant des travaux élaborés afin de mesurer l’apprentissage, attribuer de façon réaliste les succès et les échecs aux processus appropriés et adapter les stratégies et buts inefficaces afin de permettre l’évolution du curriculum en tenant compte des difficultés et des r

  7. PV output smoothing using a battery and natural gas engine-generator.

    Energy Technology Data Exchange (ETDEWEB)

    Johnson, Jay Dean; Ellis, Abraham; Denda, Atsushi; Morino, Kimio; Shinji, Takao; Ogata, Takao; Tadokoro, Masayuki


    In some situations involving weak grids or high penetration scenarios, the variability of photovoltaic systems can affect the local electrical grid. In order to mitigate destabilizing effects of power fluctuations, an energy storage device or other controllable generation or load can be used. This paper describes the development of a controller for coordinated operation of a small gas engine-generator set (genset) and a battery for smoothing PV plant output. There are a number of benefits derived from using a traditional generation resource in combination with the battery; the variability of the photovoltaic system can be reduced to a specific level with a smaller battery and Power Conditioning System (PCS) and the lifetime of the battery can be extended. The controller was designed specifically for a PV/energy storage project (Prosperity) and a gas engine-generator (Mesa Del Sol) currently operating on the same feeder in Albuquerque, New Mexico. A number of smoothing simulations of the Prosperity PV were conducted using power data collected from the site. By adjusting the control parameters, tradeoffs between battery use and ramp rates could be tuned. A cost function was created to optimize the control in order to balance, in this example, the need to have low ramp rates with reducing battery size and operation. Simulations were performed for cases with only a genset or battery, and with and without coordinated control between the genset and battery, e.g., without the communication link between sites or during a communication failure. The degree of smoothing without coordinated control did not change significantly because the battery dominated the smoothing response. It is anticipated that this work will be followed by a field demonstration in the near future.

  8. Psychological adjustment to chronic disease. (United States)

    de Ridder, Denise; Geenen, Rinie; Kuijer, Roeline; van Middendorp, Henriët


    This Review discusses physiological, emotional, behavioural, and cognitive aspects of psychological adjustment to chronic illness. Reviewing the reports of the past decade, we identify four innovative and promising themes that are relevant for understanding and explaining psychological adjustment. In particular, the emphasis on the reasons why people fail to achieve a healthy adjustment has shifted to the identification of factors that help patients make that adjustment. To promote psychological adjustment, patients should remain as active as is reasonably possible, acknowledge and express their emotions in a way that allows them to take control of their lives, engage in self-management, and try to focus on potential positive outcomes of their illness. Patients who can use these strategies have the best chance of successfully adjusting to the challenges posed by a chronic illness.

  9. Metric-adjusted skew information

    DEFF Research Database (Denmark)

    Liang, Cai; Hansen, Frank


    We give a truly elementary proof of the convexity of metric-adjusted skew information following an idea of Effros. We extend earlier results of weak forms of superadditivity to general metric-adjusted skew information. Recently, Luo and Zhang introduced the notion of semi-quantum states...... on a bipartite system and proved superadditivity of the Wigner-Yanase-Dyson skew informations for such states. We extend this result to the general metric-adjusted skew information. We finally show that a recently introduced extension to parameter values 1 information is a special case...... of (unbounded) metric-adjusted skew information....

  10. Adjustment computations spatial data analysis

    CERN Document Server

    Ghilani, Charles D


    the complete guide to adjusting for measurement error-expanded and updated no measurement is ever exact. Adjustment Computations updates a classic, definitive text on surveying with the latest methodologies and tools for analyzing and adjusting errors with a focus on least squares adjustments, the most rigorous methodology available and the one on which accuracy standards for surveys are based. This extensively updated Fifth Edition shares new information on advances in modern software and GNSS-acquired data. Expanded sections offer a greater amount of computable problems and their worked solu

  11. Videodensitometric Methods for Cardiac Output Measurements

    Directory of Open Access Journals (Sweden)

    Massimo Mischi


    Full Text Available Cardiac output is often measured by indicator dilution techniques, usually based on dye or cold saline injections. Developments of more stable ultrasound contrast agents (UCA are leading to new noninvasive indicator dilution methods. However, several problems concerning the interpretation of dilution curves as detected by ultrasound transducers have arisen. This paper presents a method for blood flow measurements based on UCA dilution. Dilution curves are determined by real-time densitometric analysis of the video output of an ultrasound scanner and are automatically fitted by the Local Density Random Walk model. A new fitting algorithm based on multiple linear regression is developed. Calibration, that is, the relation between videodensity and UCA concentration, is modelled by in vitro experimentation. The flow measurement system is validated by in vitro perfusion of SonoVue contrast agent. The results show an accurate dilution curve fit and flow estimation with determination coefficient larger than 0.95 and 0.99, respectively.


    Directory of Open Access Journals (Sweden)

    Emilia TITAN


    Full Text Available The purpose of the article is to illustrate the importance of the output gap in analysing macroeconomic stability in general and business cycle dynamics in particular. Ten EU countries are considered, with five old members and five new members. For all ten countries the data for the period 1999-2014 is used, but for four countries, namely France, the United Kingdom, Italy and Spain additional data is available that goes back to 1965, such that the whole period 1965-2014 is covered, which allows for a particular analysis. An empirical analysis is performed with regard to the behaviour of the output gap for different countries over time. The results obtained allow for relevant comparisons and highlight the usefulness of this indicator as a tool in the study of business cycles.

  13. What shapes output of policy reform?

    DEFF Research Database (Denmark)

    Carlsen, Kirsten

    This thesis deals with the factors shaping forest policy output during the stages implementation and bases its main message on empirical findings from the forestry sector in Ghana. Policy and institutional factors are important underlying causes for deforestation, especially in the tropics. Fores...... government, civil society, timber industry and local communities and thus provides important contributions to the existing logic within the field of tropical forest governance....

  14. Industrial Engineering: creating a network!


    Prado-Prado, José Carlos


    [EN] This paper presents a brief history of the Industrial Engineering Conference (CIO), and specially reinforces the role of the CIOs as a forum for building a network and creating log-term relationships Prado-Prado, JC. (2016). Industrial Engineering: creating a network!. International Journal of Production Management and Engineering. 4(2):41-42. doi:10.4995/ijpme.2016.5964. 41 42 4 2

  15. Solar Power Station Output Inverter Control Design

    Directory of Open Access Journals (Sweden)

    J. Bauer


    Full Text Available The photovoltaic applications spreads in these days fast, therefore they also undergo great development. Because the amount of the energy obtained from the panel depends on the surrounding conditions, as intensity of the sun exposure or the temperature of the solar array, the converter must be connected to the panel output. The Solar system equipped with inverter can supply small loads like notebooks, mobile chargers etc. in the places where the supplying network is not present. Or the system can be used as a generator and it shall deliver energy to the supply network. Each type of the application has different requirements on the converter and its control algorithm. But for all of them the one thing is common – the maximal efficiency. The paper focuses on design and simulation of the low power inverter that acts as output part of the whole converter. In the paper the design of the control algorithm of the inverter for both types of inverter application – for islanding mode and for operation on the supply grid – is discussed. Attention is also paid to the design of the output filter that should reduce negative side effects of the converter on the supply network.

  16. A Statistical Representation of Pyrotechnic Igniter Output (United States)

    Guo, Shuyue; Cooper, Marcia


    The output of simplified pyrotechnic igniters for research investigations is statistically characterized by monitoring the post-ignition external flow field with Schlieren imaging. Unique to this work is a detailed quantification of all measurable manufacturing parameters (e.g., bridgewire length, charge cavity dimensions, powder bed density) and associated shock-motion variability in the tested igniters. To demonstrate experimental precision of the recorded Schlieren images and developed image processing methodologies, commercial exploding bridgewires using wires of different parameters were tested. Finally, a statistically-significant population of manufactured igniters were tested within the Schlieren arrangement resulting in a characterization of the nominal output. Comparisons between the variances measured throughout the manufacturing processes and the calculated output variance provide insight into the critical device phenomena that dominate performance. Sandia National Laboratories is a multi-mission laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporation, for the U.S. Department of Energy's NNSA under contract DE-AC04-94AL85000.

  17. Creating visual explanations improves learning. (United States)

    Bobek, Eliza; Tversky, Barbara


    Many topics in science are notoriously difficult for students to learn. Mechanisms and processes outside student experience present particular challenges. While instruction typically involves visualizations, students usually explain in words. Because visual explanations can show parts and processes of complex systems directly, creating them should have benefits beyond creating verbal explanations. We compared learning from creating visual or verbal explanations for two STEM domains, a mechanical system (bicycle pump) and a chemical system (bonding). Both kinds of explanations were analyzed for content and learning assess by a post-test. For the mechanical system, creating a visual explanation increased understanding particularly for participants of low spatial ability. For the chemical system, creating both visual and verbal explanations improved learning without new teaching. Creating a visual explanation was superior and benefitted participants of both high and low spatial ability. Visual explanations often included crucial yet invisible features. The greater effectiveness of visual explanations appears attributable to the checks they provide for completeness and coherence as well as to their roles as platforms for inference. The benefits should generalize to other domains like the social sciences, history, and archeology where important information can be visualized. Together, the findings provide support for the use of learner-generated visual explanations as a powerful learning tool.

  18. Perfectionsism, Coping, and Emotional Adjustment. (United States)

    Rice, Kenneth G.; Lapsley, Daniel K.


    Undergraduates (N=204) completed three scales of the student adaptation to college questionnaire. Measures of coping and emotional adjustment revealed differences among the three groups of students labeled adaptive, maladaptive, and non-perfectionists. Perfectionism and coping predicted emotional adjustment but coping as a moderator or mediator in…

  19. Convexity Adjustments for ATS Models

    DEFF Research Database (Denmark)

    Murgoci, Agatha; Gaspar, Raquel M.

    formulas. Concretely for LIBOR in arrears (LIA) contracts, we derive the system of Riccatti ODE-s one needs to compute to obtain the exact adjustment. Based upon the ideas of Schrager and Pelsser (2006) we are also able to derive general swap adjustments useful, in particular, when dealing with constant...

  20. Spousal Adjustment to Myocardial Infarction. (United States)

    Ziglar, Elisa J.

    This paper reviews the literature on the stresses and coping strategies of spouses of patients with myocardial infarction (MI). It attempts to identify specific problem areas of adjustment for the spouse and to explore the effects of spousal adjustment on patient recovery. Chapter one provides an overview of the importance in examining the…

  1. Prescribed Performance Fuzzy Adaptive Output-Feedback Control for Nonlinear Stochastic Systems

    Directory of Open Access Journals (Sweden)

    Lili Zhang


    Full Text Available A prescribed performance fuzzy adaptive output-feedback control approach is proposed for a class of single-input and single-output nonlinear stochastic systems with unmeasured states. Fuzzy logic systems are used to identify the unknown nonlinear system, and a fuzzy state observer is designed for estimating the unmeasured states. Based on the backstepping recursive design technique and the predefined performance technique, a new fuzzy adaptive output-feedback control method is developed. It is shown that all the signals of the resulting closed-loop system are bounded in probability and the tracking error remains an adjustable neighborhood of the origin with the prescribed performance bounds. A simulation example is provided to show the effectiveness of the proposed approach.

  2. Medical informatics across Europe: analysis of medical informatics scientific output in 33 European countries. (United States)

    Polašek, Ozren; Kern, Josipa


    To investigate the medical informatics scientific output in 33 European countries. Medical Subject Heading term "medical informatics" was used to identify all relevant articles published in 1998-2007 and indexed in the Medline database. The number of articles was adjusted to the population size of each included country in order to obtain the rates per million inhabitants. A total of 28,604 articles were identified. The highest number per million inhabitants was found for Switzerland and the lowest for Albania. Overall, European Union member states had higher output than non-member states, gross domestic product was strongly associated with the scientific output in the field of medical informatics (r = 0.88, p medical informatics as a profession and a clear recognition of the discipline are needed to reduce these disparities and propel further increase in research productivity.

  3. An optically coupled power stimulus isolation unit with high voltage and fast rise time output

    Directory of Open Access Journals (Sweden)

    R.O. Brasil


    Full Text Available Recent technological developments have created new devices that could improve and simplify the construction of stimulus isolators. HEXFET transistors can switch large currents and hundreds of volts in nanoseconds. The newer opto-isolators can give a pulse rise time of a few nanoseconds, with output compatible with MOSFET devices, in which delays are reduced to nanoseconds. Integrated DC/DC converters are now available. Using these new resources we developed a new electrical stimulus isolator circuit with selectable constant-current and constant-voltage modes, which are precise and easy to construct. The circuit works like a regulated power supply in both modes with output switched to zero or to free mode through an opto-isolator device. The isolator analyses showed good practical performance. The output to ground resistance was 1011 ohms and capacitance 35 picofarads. The rise time and fall time were identical (5 µs and constant. The selectable voltage or current output mode made it very convenient to use. The current mode, with higher output resistance values in low current ranges, permits intracellular stimulation even with tip resistances close to 100 megaohms. The high compliance of 200 V guarantees the value of the current stimulus. The very low output resistance in the voltage mode made the device highly suitable for extracellular stimulation with low impedance electrodes. Most importantly, these characteristics were achieved with a circuit that was easy to build and modify and assembled with components available in Brazil.

  4. An optically coupled power stimulus isolation unit with high voltage and fast rise time output. (United States)

    Brasil, R O; Leal-Cardoso, J H


    Recent technological developments have created new devices that could improve and simplify the construction of stimulus isolators. HEXFET transistors can switch large currents and hundreds of volts in nanoseconds. The newer opto-isolators can give a pulse rise time of a few nanoseconds, with output compatible with MOSFET devices, in which delays are reduced to nanoseconds. Integrated DC/DC converters are now available. Using these new resources we developed a new electrical stimulus isolator circuit with selectable constant-current and constant-voltage modes, which are precise and easy to construct. The circuit works like a regulated power supply in both modes with output switched to zero or to free mode through an opto-isolator device. The isolator analyses showed good practical performance. The output to ground resistance was 10(11) ohms and capacitance 35 picofarads. The rise time and fall time were identical (5 microseconds) and constant. The selectable voltage or current output mode made it very convenient to use. The current mode, with higher output resistance values in low current ranges, permits intracellular stimulation even with tip resistances close to 100 megaohms. The high compliance of 200 V guarantees the value of the current stimulus. The very low output resistance in the voltage mode made the device highly suitable for extracellular stimulation with low impedance electrodes. Most importantly, these characteristics were achieved with a circuit that was easy to build and modify and assembled with components available in Brazil.

  5. Adjusted Clinical Groups: a patient classification system through risk adjustment


    Sicras-Mainar, Antonio; Dirección de Planificación, Badalona Serveis Assistencials. Barcelona, España. Médico doctor en Medicina, especialista en Salud Pública.; Navarro-Artieda, Ruth; Hospital Germans Trías i Pujol. Badalona, Barcelona, España. médica especialista en Documentación Médica.


    Adjusted Clinical Groups (ACG) are risk adjustment systems that classify people according to their age, sex and medical conditions, these people have a similar consumption of health resources over a given period of time. They were developed by Starfield and Weiner (Johns Hopkins University, USA, 1991), and their objective is to measure the degree of illness among patients based on the levels of comorbidity. Their main applications are: a) the evaluation of the efficiency in the use of hea...

  6. Input and output constraints affecting irrigation development (United States)

    Schramm, G.


    In many of the developing countries the expansion of irrigated agriculture is used as a major development tool for bringing about increases in agricultural output, rural economic growth and income distribution. Apart from constraints imposed by water availability, the major limitations considered to any acceleration of such programs are usually thought to be those of costs and financial resources. However, as is shown on the basis of empirical data drawn from Mexico, in reality the feasibility and effectiveness of such development programs is even more constrained by the lack of specialized physical and human factors on the input and market limitations on the output side. On the input side, the limited availability of complementary factors such as, for example, truly functioning credit systems for small-scale farmers or effective agricultural extension services impose long-term constraints on development. On the output side the limited availability, high risk, and relatively slow growth of markets for high-value crops sharply reduce the usually hoped-for and projected profitable crop mix that would warrant the frequently high costs of irrigation investments. Three conclusions are drawn: (1) Factors in limited supply have to be shadow-priced to reflect their high opportunity costs in alternative uses. (2) Re-allocation of financial resources from immediate construction of projects to longer-term increase in the supply of scarce, highly-trained manpower resources are necessary in order to optimize development over time. (3) Inclusion of high-value, high-income producing crops in the benefit-cost analysis of new projects is inappropriate if these crops could potentially be grown in already existing projects.

  7. Uncertainties in predicting solar panel power output (United States)

    Anspaugh, B.


    The problem of calculating solar panel power output at launch and during a space mission is considered. The major sources of uncertainty and error in predicting the post launch electrical performance of the panel are considered. A general discussion of error analysis is given. Examples of uncertainty calculations are included. A general method of calculating the effect on the panel of various degrading environments is presented, with references supplied for specific methods. A technique for sizing a solar panel for a required mission power profile is developed.

  8. On output measurements via radiation pressure

    DEFF Research Database (Denmark)

    Leeman, S.; Healey, A.J.; Forsberg, F.


    It is shown, by simple physical argument, that measurements of intensity with a radiation pressure balance should not agree with those based on calorimetric techniques. The conclusion is ultimately a consequence of the circumstance that radiation pressure measurements relate to wave momentum, while...... calorimetric methods relate to wave energy. Measurements with some typical ultrasound fields are performed with a novel type of hydrophone, and these allow an estimate to be made of the magnitude of the discrepancy to be expected between the two types of output measurement in a typical case....

  9. SPRINT spray intercooling augments LM6000 output

    Energy Technology Data Exchange (ETDEWEB)

    Smith, David


    By injecting water between the low pressure and high pressure compressors of an aeroderivative gas turbine, GE-IAD engineers have demonstrated that a 9 per cent increase in output accompanied by reduced life cycle costs can be achieved. Designated the SPRINT system, uprated LM 6000 units with augmented efficiency have been introduced to the market. The first two production units, both supplied to Southern Electric Power Generation in England for mid-merit independent power generation plants at Chickerell in Dorset and Burghfield in Berkshire, have each clocked in excess of 500 operating hours since start-up in early April 1998. MPS visited the Chickerell installation in late July 1998. (UK)

  10. Modelling Waste Output from Trout Farms

    DEFF Research Database (Denmark)

    Frier, J. O.; From, J.; Larsen, Torben


    The aim of waste modelling in aquaculture is to provide tools for simulating input, transformation, output and subsidiary degradation in recipients of organic compounds, nitrogen, and phosphorus. The direct purpose of this modelling is to make it possible for caretakers and water authorities...... to calculate waste discharge from existing and planned aquaculture activities. A special purpose is simulating outcome of waste water treatment and altered feeding programmes. Different submodels must be applied for P, N, and organics, as well as for the different phases of food and waste treatment. Altogether...



    Emilia TITAN; Vladimir GEORGESCU


    The purpose of the article is to illustrate the importance of the output gap in analysing macroeconomic stability in general and business cycle dynamics in particular. Ten EU countries are considered, with five old members and five new members. For all ten countries the data for the period 1999-2014 is used, but for four countries, namely France, the United Kingdom, Italy and Spain additional data is available that goes back to 1965, such that the whole period 1965-2014 is covered, which allo...

  12. Input-output model for MACCS nuclear accident impacts estimation¹

    Energy Technology Data Exchange (ETDEWEB)

    Outkin, Alexander V. [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Bixler, Nathan E. [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Vargas, Vanessa N [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)


    Since the original economic model for MACCS was developed, better quality economic data (as well as the tools to gather and process it) and better computational capabilities have become available. The update of the economic impacts component of the MACCS legacy model will provide improved estimates of business disruptions through the use of Input-Output based economic impact estimation. This paper presents an updated MACCS model, bases on Input-Output methodology, in which economic impacts are calculated using the Regional Economic Accounting analysis tool (REAcct) created at Sandia National Laboratories. This new GDP-based model allows quick and consistent estimation of gross domestic product (GDP) losses due to nuclear power plant accidents. This paper outlines the steps taken to combine the REAcct Input-Output-based model with the MACCS code, describes the GDP loss calculation, and discusses the parameters and modeling assumptions necessary for the estimation of long-term effects of nuclear power plant accidents.

  13. Normal Stress or Adjustment Disorder? (United States)

    ... and symptoms of an adjustment disorder can include: Anxiety Poor school or work performance Relationship problems Sadness Thoughts of suicide Worry Trouble sleeping If you're dealing with a stressful situation in your life, try ...

  14. Normal Stress or Adjustment Disorder? (United States)

    ... Lifestyle Stress management What's the difference between normal stress and an adjustment disorder? Answers from Daniel K. Hall-Flavin, M.D. Stress is a normal psychological and physical reaction to ...

  15. Household Adjustments to Hurricane Katrina

    National Research Council Canada - National Science Library

    Meri Davlasheridze; Qin Fan


    This paper examines household adjustments to Hurricane Katrina by estimating the effects of Katrina-induced damages on changes in household demographics and income distributions in the Orleans Parish...

  16. Creating the optimal conditions for rehabilitation research. (United States)

    Bakheit, Abdel Magid


    Current evidence suggests that productivity in biomedical research depends on the support that the research group enjoys from its parent institution, the composition of the group and the personal attributes of its members and leader. Supportive institutions provide adequate physical resources and allow substantial uninterrupted time for research. The effectiveness of the research group asa whole is also strongly influenced by the group's structure, the professional competence of the group leader, his leadership style and his ability to foster collaboration with other research groups and organizations. There is a good case for a flexible leadership style that is modelled on the situational theory of leadership. In addition, the personal characteristics of the individual members of the research group influence the quality and quantity of the research output. Effective groups are made of motivated individuals with research training and skills that are relevant to the objectives of the research group. Rehabilitation research is fundamentally different from traditional biomedical research. This study discusses how the factors that influence productivity of biomedical research relate to rehabilitation science and practice and examines the conditions that are necessary to create and maintain an academic environment that is conducive to large volume,high-quality research in rehabilitation medicine.

  17. Multicolor output and shape controlled synthesis of lanthanide-ion doped fluorides upconversion nanoparticles. (United States)

    Niu, Wenbin; Wu, Suli; Zhang, Shufen; Li, Jie; Li, Lian


    A general and facile approach for tailoring the multicolor output and shapes of lanthanide-ion doped fluoride upconversion nanoparticles (UCNPs) within a given composition is presented. By adjusting the temperature and time in the thermolysis procedure, the color output and shapes of NaYF(4):20%Yb, 2%Er UCNPs can be readily manipulated. The nanoparticles were characterized through the use of transmission electron microscopy (TEM), powder X-ray diffraction (XRD) and upconversion luminescence spectroscopy. It is shown that the relative intensities of green emissions gradually increased with the rise of temperature and prolongation of growth time under excitation of 980 nm, which resulted in multicolor output of NaYF(4):20%Yb, 2%Er UCNPs. Simultaneously, the shapes for UCNPs can also be controlled. TEM images, estimated micro-stress by Williamson-Hall methodology and a series of control experiments and analyses reveal that crystallinity is mainly responsible for the multicolor output of UCNPs. Based on the above method, the tailoring of color output is also successfully realized in Ho(3+) and Tm(3+) ions. It is expected that this method may be used to tune the physical properties of other nanoparticles, and these multicolored UCNPs are promising for applications in multiplexed bioimaging, biodetection, display, other optical technologies, etc. © The Royal Society of Chemistry 2011

  18. 3D Visualization of Hydrological Model Outputs For a Better Understanding of Multi-Scale Phenomena (United States)

    Richard, J.; Schertzer, D. J. M.; Tchiguirinskaia, I.


    During the last decades, many hydrological models has been created to simulate extreme events or scenarios on catchments. The classical outputs of these models are 2D maps, time series or graphs, which are easily understood by scientists, but not so much by many stakeholders, e.g. mayors or local authorities, and the general public. One goal of the Blue Green Dream project is to create outputs that are adequate for them. To reach this goal, we decided to convert most of the model outputs into a unique 3D visualization interface that combines all of them. This conversion has to be performed with an hydrological thinking to keep the information consistent with the context and the raw outputs.We focus our work on the conversion of the outputs of the Multi-Hydro (MH) model, which is physically based, fully distributed and with a GIS data interface. MH splits the urban water cycle into 4 components: the rainfall, the surface runoff, the infiltration and the drainage. To each of them, corresponds a modeling module with specific inputs and outputs. The superimposition of all this information will highlight the model outputs and help to verify the quality of the raw input data. For example, the spatial and the time variability of the rain generated by the rainfall module will be directly visible in 4D (3D + time) before running a full simulation. It is the same with the runoff module: because the result quality depends of the resolution of the rasterized land use, it will confirm or not the choice of the cell size.As most of the inputs and outputs are GIS files, two main conversions will be applied to display the results into 3D. First, a conversion from vector files to 3D objects. For example, buildings are defined in 2D inside a GIS vector file. Each polygon can be extruded with an height to create volumes. The principle is the same for the roads but an intrusion, instead of an extrusion, is done inside the topography file. The second main conversion is the raster

  19. Creating an Innovative Learning Organization (United States)

    Salisbury, Mark


    This article describes how to create an innovative learning (iLearning) organization. It begins by discussing the life cycle of knowledge in an organization, followed by a description of the theoretical foundation for iLearning. Next, the article presents an example of iLearning, followed by a description of the distributed nature of work, the…

  20. On Creating and Sustaining Alternatives

    DEFF Research Database (Denmark)

    Kyng, Morten


    (PD) as well as from innovation theory and software ecosystems. Last, but not least, the ongoing debate on public finances/economy versus tax evasion by major private companies has been an important element in shaping the vision and creating support for the initiative. This vision is about democratic...

  1. SPECIAL REPORT: Creating Conference Video

    Directory of Open Access Journals (Sweden)

    Noel F. Peden


    Full Text Available Capturing video at a conference is easy. Doing it so the product is useful is another matter. Many subtle problems come into play so that video and audio obtained can be used to create a final product. This article discusses what the author learned in the two years of shooting and editing video for Code4Lib conference.

  2. Creating Space for Children's Literature (United States)

    Serafini, Frank


    As teachers struggle to balance the needs of their students with the requirements of commercial reading materials, educators need to consider how teachers will create space for children's literature in today's classrooms. In this article, 10 practical recommendations for incorporating children's literature in the reading instructional framework…

  3. We create our own reality

    CERN Multimedia


    " Yes, we create our own reality. This is one of the most fundamental tenets of the ancient oriental religions, such as Buddhism. And during the last century, modern particle physics or quantum mechanics has discovered exactly the same thing" (1 page).

  4. Creating legitimacy across international contexts

    DEFF Research Database (Denmark)

    Andersen, Poul Houman; Rask, Morten


    in Denmark, Israel, Canada, and Australia using expert interviews as well as content analysis of newspaper articles and other secondary sources. Storytelling, which is found to be central to the legitimacy-creating efforts of international business ventures, interacts with existing discourses in the diverse...

  5. Creating Presentations on ICT Classes (United States)

    Marchis, Iuliana


    The article focuses on the creation of presentations on ICT classes. The first part highlights the most important steps when creating a presentation. The main idea is, that the computer presentation shouldn't consist only from the technological part, i.e. the editing of the presentation in a computer program. There are many steps before and after…

  6. Creating speech-synchronized animation. (United States)

    King, Scott A; Parent, Richard E


    We present a facial model designed primarily to support animated speech. Our facial model takes facial geometry as input and transforms it into a parametric deformable model. The facial model uses a muscle-based parameterization, allowing for easier integration between speech synchrony and facial expressions. Our facial model has a highly deformable lip model that is grafted onto the input facial geometry to provide the necessary geometric complexity needed for creating lip shapes and high-quality renderings. Our facial model also includes a highly deformable tongue model that can represent the shapes the tongue undergoes during speech. We add teeth, gums, and upper palate geometry to complete the inner mouth. To decrease the processing time, we hierarchically deform the facial surface. We also present a method to animate the facial model over time to create animated speech using a model of coarticulation that blends visemes together using dominance functions. We treat visemes as a dynamic shaping of the vocal tract by describing visemes as curves instead of keyframes. We show the utility of the techniques described in this paper by implementing them in a text-to-audiovisual-speech system that creates animation of speech from unrestricted text. The facial and coarticulation models must first be interactively initialized. The system then automatically creates accurate real-time animated speech from the input text. It is capable of cheaply producing tremendous amounts of animated speech with very low resource requirements.

  7. [Adjustment disorder during military service]. (United States)

    Kamrowska, Anna; Florkowski, Antoni


    Adjustment disorders in soldiers of mandatory military service are one of most frequent causes of early military discharges. Their occurrence brings about economic, social and medical consequences. The analysis of reasons and circumstances for adjustment disorders in solders of mandatory military service accepted by Medical Military Boards as unfit for military service. Studies included 91 cases of soldiers of mandatory military service hospitalised at the Psychiatry Clinical Department of Psychiatry in 10th Clinical Military Hospital in Bydgoszcz for the occurrence of symptoms of adjustment disorder acc. to criteria ICD-10 and certified by Medical Military Boards. The examined soldiers were at the age of 19-24, and the period of their military service ranged from one week to three months. To evaluate statistical correlations chi-square test (chi2) was used. Before the call-up, more than a half of the soldiers revealing symptoms of adjustment disorder lived in the country or in big urban agglomerations. Those soldiers had primary or vocational education certificates and every third was brought up in one-parent family. In the tested population of soldiers there was found a statistical relation between the appearance of adjustment disorders and the education of soldiers' mothers, parents' diseases and factors impeding their military service. Factors conducive to adjustment disorders under conditions of mandatory military service in the studies carried out included: education of soldiers' mothers, raised difficulties while serving in the army and parents' diseases.

  8. A new procedure for automatic fitting of the basilar-membrane input-output function to individual behavioral data

    DEFF Research Database (Denmark)

    Kowalewski, Borys; Fereczkowski, Michal; MacDonald, Ewen


    parameters is difficult. Until recently, the parameters were manually adjusted and the fitting process was indirect. A new approach is described here, based on a search through a lookup table of pre-computed filterbank input-output functions. The aim of this approach is to provide a fast, stable, and more...

  9. A Monte Carlo Study on Multiple Output Stochastic Frontiers

    DEFF Research Database (Denmark)

    Henningsen, Géraldine; Henningsen, Arne; Jensen, Uwe

    In the estimation of multiple output technologies in a primal approach, the main question is how to handle the multiple outputs. Often an output distance function is used, where the classical approach is to exploit its homogeneity property by selecting one output quantity as the dependent variable...... of both specifications for the case of a Translog output distance function with respect to different common statistical problems as well as problems arising as a consequence of zero values in the output quantities. Although, our results partly show clear reactions to statistical misspecifications...

  10. Dense Output for Strong Stability Preserving Runge–Kutta Methods

    KAUST Repository

    Ketcheson, David I.


    We investigate dense output formulae (also known as continuous extensions) for strong stability preserving (SSP) Runge–Kutta methods. We require that the dense output formula also possess the SSP property, ideally under the same step-size restriction as the method itself. A general recipe for first-order SSP dense output formulae for SSP methods is given, and second-order dense output formulae for several optimal SSP methods are developed. It is shown that SSP dense output formulae of order three and higher do not exist, and that in any method possessing a second-order SSP dense output, the coefficient matrix A has a zero row.

  11. Output rate of atom lasers in a Raman-type output-coupling scheme (United States)

    Wu, Ying; Yang, Xiaoxue


    We present a theory to derive the output rate of an atom laser consisting of an interacting Bose-Einstein condensate in a magnetic trap and two additional rf fields transferring trapped atoms to a repelled Zeeman sublevel via an intermediate untrapped Zeeman sublevel. We explicitly obtain the dependence of the output rate Γout on various characteristic parameters such as a coupling parameter (the Rabi frequency), the atom number density in the center of the condensate, and the strength of the atom-atom interaction.

  12. Creating a climate for excellence. (United States)

    Lancaster, J


    Some people are motivated to achieve in a manner consistent with the goals of their organization while others pursue individual goals. The attitudes people hold determine their behavior. Therefore, the manager is charged with creating an environment that fosters employee commitment to organizational goals. To create a climate for achievement, managers must recognize that all employees want recognition. Employees perform more effectively when they understand the goals of the organization, know what is expected of them, and are part of a system that includes feedback and reinforcement. Generally, people perform more effectively in an environment with minimal threat and punishment; individual responsibility should be encouraged, rewards based on results, and a climate of trust and open communication should prevail.

  13. Creating advanced health informatics certification. (United States)

    Gadd, Cynthia S; Williamson, Jeffrey J; Steen, Elaine B; Fridsma, Douglas B


    In 2005, AMIA leaders and members concluded that certification of advanced health informatics professionals would offer value to individual practitioners, organizations that hire them, and society at large. AMIA's work to create advanced informatics certification began by leading a successful effort to create the clinical informatics subspecialty for American Board of Medical Specialties board-certified physicians. Since 2012, AMIA has been working to establish advanced health informatics certification (AHIC) for all health informatics practitioners regardless of their primary discipline. In November 2015, AMIA completed the first of 3 key tasks required to establish AHIC, with the AMIA Board of Directors' endorsement of proposed eligibility requirements. This AMIA Board white paper describes efforts to establish AHIC, reports on the current status of AHIC components, and provides a context for the proposed AHIC eligibility requirements. © The Author 2016. Published by Oxford University Press on behalf of the American Medical Informatics Association. All rights reserved. For Permissions, please email:

  14. Design of laser diode stable output system (United States)

    Liu, Bo; Cao, Rui-ming


    High-stability output's system of laser diode is introduced in this paper. The system which is based on the MCU of MSP430 has been designed light power feedback loop and coller of TEC. It includes stable current, protecting circuit, light power feedback loop, temperature controlling, power display and so on. It is also able to control and show the power at the real time. The power could be set by botton too. The software of slow start up, slow close and the protecting relay are adopted by MCU. DRV592 is introduced as PWM driver to control the current of TEC. The duty cycle is generate by MCU. In order to control temperature, it is changed to influence the current of TEC. The power that is sampled by photodiode which is integrated in the laser diode is controlled by the micro-processing. The laser is monitored by voltage control circuit and current control circuit at the real time.

  15. FEL system with homogeneous average output

    Energy Technology Data Exchange (ETDEWEB)

    Douglas, David R.; Legg, Robert; Whitney, R. Roy; Neil, George; Powers, Thomas Joseph


    A method of varying the output of a free electron laser (FEL) on very short time scales to produce a slightly broader, but smooth, time-averaged wavelength spectrum. The method includes injecting into an accelerator a sequence of bunch trains at phase offsets from crest. Accelerating the particles to full energy to result in distinct and independently controlled, by the choice of phase offset, phase-energy correlations or chirps on each bunch train. The earlier trains will be more strongly chirped, the later trains less chirped. For an energy recovered linac (ERL), the beam may be recirculated using a transport system with linear and nonlinear momentum compactions M.sub.56, which are selected to compress all three bunch trains at the FEL with higher order terms managed.

  16. Advanced Output Coupling for High Power Gyrotrons

    Energy Technology Data Exchange (ETDEWEB)

    Read, Michael [Calabazas Creek Research, Inc., San Mateo, CA (United States); Ives, Robert Lawrence [Calabazas Creek Research, Inc., San Mateo, CA (United States); Marsden, David [Calabazas Creek Research, Inc., San Mateo, CA (United States); Collins, George [Calabazas Creek Research, Inc., San Mateo, CA (United States); Temkin, Richard [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Guss, William [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Lohr, John [General Atomics, La Jolla, CA (United States); Neilson, Jeffrey [Lexam Research, Redwood City, CA (United States); Bui, Thuc [Calabazas Creek Research, Inc., San Mateo, CA (United States)


    The Phase II program developed an internal RF coupler that transforms the whispering gallery RF mode produced in gyrotron cavities to an HE11 waveguide mode propagating in corrugated waveguide. This power is extracted from the vacuum using a broadband, chemical vapor deposited (CVD) diamond, Brewster angle window capable of transmitting more than 1.5 MW CW of RF power over a broad range of frequencies. This coupling system eliminates the Mirror Optical Units now required to externally couple Gaussian output power into corrugated waveguide, significantly reducing system cost and increasing efficiency. The program simulated the performance using a broad range of advanced computer codes to optimize the design. Both a direct coupler and Brewster angle window were built and tested at low and high power. Test results confirmed the performance of both devices and demonstrated they are capable of achieving the required performance for scientific, defense, industrial, and medical applications.

  17. Turbulent Output-Based Anisotropic Adaptation (United States)

    Park, Michael A.; Carlson, Jan-Renee


    Controlling discretization error is a remaining challenge for computational fluid dynamics simulation. Grid adaptation is applied to reduce estimated discretization error in drag or pressure integral output functions. To enable application to high O(10(exp 7)) Reynolds number turbulent flows, a hybrid approach is utilized that freezes the near-wall boundary layer grids and adapts the grid away from the no slip boundaries. The hybrid approach is not applicable to problems with under resolved initial boundary layer grids, but is a powerful technique for problems with important off-body anisotropic features. Supersonic nozzle plume, turbulent flat plate, and shock-boundary layer interaction examples are presented with comparisons to experimental measurements of pressure and velocity. Adapted grids are produced that resolve off-body features in locations that are not known a priori.

  18. Achromatic waveguide input/output coupler design. (United States)

    Spaulding, K E; Morris, G M


    An investigation into methods for achromatizing the coupling angle characteristics of waveguide input/output couplers is described. The basic approach involves correcting the inherent angular dispersion of conventional waveguide couplers with a diffraction grating. Two configurations are analyzed in detail: a hybrid prism/grating coupler and a double grating coupler. Expressions are derived for values of the grating parameters that produce achromatic coupling. A method is also presented to predict the achromatic wavelength range and maximize it with the available degrees of freedom. For a coupling angle tolerance of 0.005 degrees , it is found that with double grating couplers achromatic wavelength ranges of the order of 10 nm can be obtained, and that with prism/grating couplers this range can be as large as 200 nm.

  19. A Constraint programming-based genetic algorithm for capacity output optimization

    Directory of Open Access Journals (Sweden)

    Kate Ean Nee Goh


    Full Text Available Purpose: The manuscript presents an investigation into a constraint programming-based genetic algorithm for capacity output optimization in a back-end semiconductor manufacturing company.Design/methodology/approach: In the first stage, constraint programming defining the relationships between variables was formulated into the objective function. A genetic algorithm model was created in the second stage to optimize capacity output. Three demand scenarios were applied to test the robustness of the proposed algorithm.Findings: CPGA improved both the machine utilization and capacity output once the minimum requirements of a demand scenario were fulfilled. Capacity outputs of the three scenarios were improved by 157%, 7%, and 69%, respectively.Research limitations/implications: The work relates to aggregate planning of machine capacity in a single case study. The constraints and constructed scenarios were therefore industry-specific.Practical implications: Capacity planning in a semiconductor manufacturing facility need to consider multiple mutually influenced constraints in resource availability, process flow and product demand. The findings prove that CPGA is a practical and an efficient alternative to optimize the capacity output and to allow the company to review its capacity with quick feedback.Originality/value: The work integrates two contemporary computational methods for a real industry application conventionally reliant on human judgement.

  20. Leadership Networking Connect, Collaborate, Create

    CERN Document Server

    (CCL), Center for Creative Leadership; Baldwin, David


    Networking is essential to effective leadership in today's organizations. Leaders who are skilled networkers have access to people, information, and resources to help solve problems and create opportunities. Leaders who neglect their networks are missing out on a critical component of their role as leaders. This book will help leaders take a new view of networking and provide insight into how to enhance their networks and become effective at leadership networking.

  1. Creating a Mobile Library Website (United States)

    Cutshall, Tom C.; Blake, Lindsay; Bandy, Sandra L.


    The overwhelming results were iPhones and Android devices. Since the library wasn't equipped technologically to develop an in-house application platform and because we wanted the content to work across all mobile platforms, we decided to focus on creating a mobile web-based platform. From the NLM page of mobile sites we chose the basic PubMed/…

  2. Creating and Sustaining Competitive Advantage


    Lage Hansen, Jakob


    The paper provides a general framework for examining how governance choice affects competitive advantage. I argue that firms rely on assets for competing, and that these assets can be accessed by different governance structures (i.e., they can be in- or outsourced). The transaction cost economics framework is used to expose strengths and weaknesses of governance structures with respect to creating and sustaining competitive advantage. The result is a tradeoff to consider when choosing how to ...

  3. Alternative output measurement for the US retail trade sector

    NARCIS (Netherlands)

    Timmer, M.P.; Inklaar, R.; van Ark, H.H.


    An experimental alternative estimate of real output in retail trade, based on double deflated margins might be a viable methodology for measuring retail trade output, but important data issues need to be resolved and further research is necessary.

  4. Study of 2-input 2-output Blind Signal Separation by Output Decorrelation

    Directory of Open Access Journals (Sweden)

    V. Davidek


    Full Text Available The simulations and experiments representing the initial study of the output decorrelation approach to blind signal separation are presented in this paper. The definition of performance indexes for the evaluation and comparison of different algorithms are proposed. Two algorithms are compared. Some first results of real experiments are discussed.

  5. Fiscal Adjustment in IMF-Supported Adjustment Programmes: The ...

    African Journals Online (AJOL)

    Fiscal adjustment is an essential element of macro-economic stability and economic growth. Given that economic growth is the most powerful weapon in the fight for higher living standards, poor growth performance in African countries, has been a challenge to economists, policy makers and international development ...

  6. GPU Parallel Bundle Block Adjustment

    Directory of Open Access Journals (Sweden)

    ZHENG Maoteng


    Full Text Available To deal with massive data in photogrammetry, we introduce the GPU parallel computing technology. The preconditioned conjugate gradient and inexact Newton method are also applied to decrease the iteration times while solving the normal equation. A brand new workflow of bundle adjustment is developed to utilize GPU parallel computing technology. Our method can avoid the storage and inversion of the big normal matrix, and compute the normal matrix in real time. The proposed method can not only largely decrease the memory requirement of normal matrix, but also largely improve the efficiency of bundle adjustment. It also achieves the same accuracy as the conventional method. Preliminary experiment results show that the bundle adjustment of a dataset with about 4500 images and 9 million image points can be done in only 1.5 minutes while achieving sub-pixel accuracy.

  7. Acculturation, personality, and psychological adjustment. (United States)

    Ahadi, Stephan A; Puente-Díaz, Rogelio


    Two studies investigated relationships between traditional indicators of acculturation, cultural distance, acculturation strategies, and basic dimensions of personality as they pertain to psychological adjustment among Hispanic students. Although personality characteristics have been shown to be important determinants of psychological well-being, acculturation research has put less emphasis on the role of personality in the well-being of immigrants. Hierarchical regression analysis showed that basic dimensions of personality such as extraversion and neuroticism were strongly related to psychological adjustment. Acculturation strategies did not mediate the effect of personality variables, but cultural resistance made a small, independent contribution to the explanation of some aspects of negative psychological adjustment. The implications of the results were discussed.

  8. DFB laser array driver circuit controlled by adjustable signal (United States)

    Du, Weikang; Du, Yinchao; Guo, Yu; Li, Wei; Wang, Hao


    In order to achieve the intelligent controlling of DFB laser array, this paper presents the design of an intelligence and high precision numerical controlling electric circuit. The system takes MCU and FPGA as the main control chip, with compact, high-efficiency, no impact, switching protection characteristics. The output of the DFB laser array can be determined by an external adjustable signal. The system transforms the analog control model into a digital control model, which improves the performance of the driver. The system can monitor the temperature and current of DFB laser array in real time. The output precision of the current can reach ± 0.1mA, which ensures the stable and reliable operation of the DFB laser array. Such a driver can benefit the flexible usage of the DFB laser array.

  9. Temperature-Compensated Clock Skew Adjustment

    Directory of Open Access Journals (Sweden)

    Joaquín Olivares


    Full Text Available This work analyzes several drift compensation mechanisms in wireless sensor networks (WSN. Temperature is an environmental factor that greatly affects oscillators shipped in every WSN mote. This behavior creates the need of improving drift compensation mechanisms in synchronization protocols. Using the Flooding Time Synchronization Protocol (FTSP, this work demonstrates that crystal oscillators are affected by temperature variations. Thus, the influence of temperature provokes a low performance of FTSP in changing conditions of temperature. This article proposes an innovative correction factor that minimizes the impact of temperature in the clock skew. By means of this factor, two new mechanisms are proposed in this paper: the Adjusted Temperature (AT and the Advanced Adjusted Temperature (A2T. These mechanisms have been combined with FTSP to produce AT-FTSP and A2T-FTSP. Both have been tested in a network of TelosB motes running TinyOS. Results show that both AT-FTSP and A2T-FTSP improve the average synchronization errors compared to FTSP and other temperature-compensated protocols (Environment-Aware Clock Skew Estimation and Synchronization for WSN (EACS and Temperature Compensated Time Synchronization (TCTS.

  10. A Monte Carlo study on multiple output stochastic frontiers

    DEFF Research Database (Denmark)

    Henningsen, Geraldine; Henningsen, Arne; Jensen, Uwe


    In the estimation of multiple output technologies in a primal approach, the mainquestion is how to handle the multiple outputs. Often, an output distance function is used,where the classical approach is to exploit its homogeneity property by selecting one outputquantity as the dependent variable,...

  11. Waste treatment in physical input-output analysis

    NARCIS (Netherlands)

    Dietzenbacher, E


    When compared to monetary input-output tables (MIOTs), a distinctive feature of physical input-output tables (PIOTs) is that they include the generation of waste as part of a consistent accounting framework. As a consequence, however, physical input-output analysis thus requires that the treatment

  12. External Suction and Fluid Output in Chest Drains After Lobectomy

    DEFF Research Database (Denmark)

    Lijkendijk, Marike; Neckelmann, Kirsten; Licht, Peter B


    was delegated to staff nurses: air leakage less than 20 mL/min for 6 hours regardless of fluid output, provided it was serous. The primary end point was fluid output after 24 and 48 hours. RESULTS: Mean fluid output was significantly higher with high suction after both 24 (338 ± 265 mL versus 523 ± 215 m...

  13. MCNP output data analysis with ROOT (MODAR) (United States)

    Carasco, C.


    MCNP Output Data Analysis with ROOT (MODAR) is a tool based on CERN's ROOT software. MODAR has been designed to handle time-energy data issued by MCNP simulations of neutron inspection devices using the associated particle technique. MODAR exploits ROOT's Graphical User Interface and functionalities to visualize and process MCNP simulation results in a fast and user-friendly way. MODAR allows to take into account the detection system time resolution (which is not possible with MCNP) as well as detectors energy response function and counting statistics in a straightforward way. New version program summaryProgram title: MODAR Catalogue identifier: AEGA_v1_1 Program summary URL: Program obtainable from: CPC Program Library, Queen's University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, No. of lines in distributed program, including test data, etc.: 150 927 No. of bytes in distributed program, including test data, etc.: 4 981 633 Distribution format: tar.gz Programming language: C++ Computer: Most Unix workstations and PCs Operating system: Most Unix systems, Linux and windows, provided the ROOT package has been installed. Examples where tested under Suse Linux and Windows XP. RAM: Depends on the size of the MCNP output file. The example presented in the article, which involves three two dimensional 139×740 bins histograms, allocates about 60 MB. These data are running under ROOT and include consumption by ROOT itself. Classification: 17.6 Catalogue identifier of previous version: AEGA_v1_0 Journal reference of previous version: Comput. Phys. Comm. 181 (2010) 1161 External routines: ROOT version 5.24.00 ( Does the new version supersede the previous version?: Yes Nature of problem: The output of a MCNP simulation is an ascii file. The data processing is usually performed by copying and pasting the relevant parts of the ascii

  14. MESAFace, a graphical interface to analyze the MESA output (United States)

    Giannotti, M.; Wise, M.; Mohammed, A.


    MESA (Modules for Experiments in Stellar Astrophysics) has become very popular among astrophysicists as a powerful and reliable code to simulate stellar evolution. Analyzing the output data thoroughly may, however, present some challenges and be rather time-consuming. Here we describe MESAFace, a graphical and dynamical interface which provides an intuitive, efficient and quick way to analyze the MESA output. Catalogue identifier: AEOQ_v1_0 Program summary URL: Program obtainable from: CPC Program Library, Queen’s University, Belfast, N. Ireland Licensing provisions: Standard CPC licence, No. of lines in distributed program, including test data, etc.: 19165 No. of bytes in distributed program, including test data, etc.: 6300592 Distribution format: tar.gz Programming language: Mathematica. Computer: Any computer capable of running Mathematica. Operating system: Any capable of running Mathematica. Tested on Linux, Mac, Windows XP, Windows 7. RAM: Recommended 2 Gigabytes or more. Supplementary material: Additional test data files are available. Classification: 1.7, 14. Nature of problem: Find a way to quickly and thoroughly analyze the output of a MESA run, including all the profiles, and have an efficient method to produce graphical representations of the data. Solution method: We created two scripts (to be run consecutively). The first one downloads all the data from a MESA run and organizes the profiles in order of age. All the files are saved as tables or arrays of tables which can then be accessed very quickly by Mathematica. The second script uses the Manipulate function to create a graphical interface which allows the user to choose what to plot from a set of menus and buttons. The information shown is updated in real time. The user can access very quickly all the data from the run under examination and visualize it with plots and tables. Unusual features: Moving the

  15. Preventive Indicators for Creating Brownfields

    Directory of Open Access Journals (Sweden)

    Marija Burinskienė


    Full Text Available Although the problem of brownfields in urban territories is successfully limited, it is a negative phenomenon of a sustainable city. Moreover, the number of recently created brownfield territories has become higher than that of the regenerated ones. Such territories reduce the quality of the social and economic setting of a city as well as visually and physically affect the life quality of city residents. Unfortunately, methods for the revitalization of brownfield land have been applied to deal with the consequences of the problem rather than to limit the problem itself. The authors of the article have investigated the aspects to be avoided to not create brownfields. The indicators that enable predicting the probability of a territory becoming a brownfield have been analyzed in this paper. Countries develop and exist under different social and economic conditions. Therefore, there is no uniform and universally accepted system of indicators for brownfield prevention that can be applied in any country or city. The authors have attempted to implement a recently developed idea of indicators for prevention under Lithuanian conditions and have selected those facilitating the identification of brownfields with an aim of identifying the most significant ones warning about the potential harm from the creation of brownfields in Lithuania. The selected indicators have been grouped, taking into account social, economic, natural, building and infrastructure settings of the city and ranked by a group of experts in urban planning. The established hierarchy of indicators in the groups of urban setting has allowed the authors to select the most significant preventive indicators for brownfields. The created system of indicators could be applied in practice as a basis for monitoring pertinent data and tracking their change.

  16. Interaction Dynamics Determine Signaling and Output Pathway Responses

    Directory of Open Access Journals (Sweden)

    Klement Stojanovski


    Full Text Available The understanding of interaction dynamics in signaling pathways can shed light on pathway architecture and provide insights into targets for intervention. Here, we explored the relevance of kinetic rate constants of a key upstream osmosensor in the yeast high-osmolarity glycerol-mitogen-activated protein kinase (HOG-MAPK pathway to signaling output responses. We created mutant pairs of the Sln1-Ypd1 complex interface that caused major compensating changes in the association (kon and dissociation (koff rate constants (kinetic perturbations but only moderate changes in the overall complex affinity (Kd. Yeast cells carrying a Sln1-Ypd1 mutant pair with moderate increases in kon and koff displayed a lower threshold of HOG pathway activation than wild-type cells. Mutants with higher kon and koff rates gave rise to higher basal signaling and gene expression but impaired osmoadaptation. Thus, the kon and koff rates of the components in the Sln1 osmosensor determine proper signaling dynamics and osmoadaptation.

  17. Creating a digital medical illustration. (United States)

    Culley, Joanna


    This paper covers the steps required to complete a medical illustration in a digital format using Adobe Illustrator and Photoshop. The project example is the surgical procedure for the release of the glenohumeral joint for the condition known as 'frozen shoulder'. The purpose is to demonstrate one method which an artist can use within digital media to create a colour illustration such as the release of the glenohumeral joint. Included is a general overview as how to deal with the administration of a medical illustration commission through the experience of a professional freelance artist.

  18. The Acute Effect of Loperamide on Ileostomy Output

    DEFF Research Database (Denmark)

    Kristensen, Katrine; Qvist, Niels


    High stoma output is a common problem in patients with ileostomy and can lead to dehydration and electrolyte disturbances. The first drug of choice to reduce stoma output is often loperamide. The aim was to assess the acute effect of loperamide on (a) ileostomy output in g/day, (b) gastrointestinal...... stoma output and noted food and fluid intake over 48 hr and swallowed a capsule with radiopaque markers for the determination of gastrointestinal transit time over 24 hr. At the end of the study, patients were asked to report their treatment sequence. Ileostomy output was significantly reduced during...

  19. Bicultural Efficacy and College Adjustment. (United States)

    Coleman, Hardin L. K.; And Others

    The retention of ethnic minorities is a major problem in American colleges and universities. This study deals with the factors that affect adjustment to college and, in particular, to achievement of "bicultural efficacy" for this group. Bicultural efficacy is defined as an individual's expectations that he or she can (or cannot) manage the stress…

  20. Technological Change: Helping Workers Adjust. (United States)

    Mowery, David C.


    Discusses some of the problems in employment shifts and unemployment caused by new technologies in offices and factories. Addresses the Job Training Partnership Act (Title III) which was established as the primary assistance vehicle for displaced workers. Calls for workers to receive sufficient time to adjust to technologies. (TW)

  1. Adjustable chain trees for proteins

    DEFF Research Database (Denmark)

    Winter, Pawel; Fonseca, Rasmus


    A chain tree is a data structure for changing protein conformations. It enables very fast detection of clashes and free energy potential calculations. A modified version of chain trees that adjust themselves to the changing conformations of folding proteins is introduced. This results in much...


    Directory of Open Access Journals (Sweden)



    Full Text Available This paper seeks to describe some crucial importance of corpus and text processing. Corpus is a projection of how language is used by its speakers. Technology support has improved corpus for easier maintenance, made it space-saving, and it may electronically structure its data. The latest offers much freedom for corpus users to access and exploit it for language teaching, analysis or other specified tasks. This paper will demonstrate how to use open-access corpus on internet such as Corpus of Contemporary American English (COCA and British National Corpus (BNC. Besides how to use a corpus, another crucial importance that this paper seeks to describe is how to build a corpus. In this paper, the writer will use UNITEX, a corpus (text-based processing software. This software will demonstrate steps of corpus building, ranging from text collection, annotation, electronic dictionary application to some natural language based operations ranging from pattern matching, concordance, to simple extraction. It will show how graph technology may outperform regular expression, a retrieval method exploited by other corpus processor, in terms of writing output.

  3. Creating your own leadership brand. (United States)

    Kerfoot, Karlene


    Building equity in a brand happens through many encounters. The initial attraction must be followed by the meeting of expectations. This creates a loyalty that is part of an emotional connection to that brand. This is the same process people go through when they first meet a leader and decide if this is a person they want to buy into. People will examine your style, your competence, and your standards. If you fail on any of these fronts, your ability to lead will be severely compromised. People expect more of leaders now, because they know and recognize good leaders. And, predictably, people are now more cynical of leaders because of the well-publicized excess of a few leaders who advanced their own causes at the expense of their people and their financial future. This will turn out to be a good thing, because it will create a higher standard of leadership that all must aspire to achieve. When the bar is raised for us, our standards of performance are also raised.


    Directory of Open Access Journals (Sweden)

    Umral Deveci


    Full Text Available Human beings, who perceive the reality of death however who do not know when it will happen, begin their life with this deficiency. Therefore, throughout their lives, they struggle to consummate and make up for the things that they perceive as deficiency or shortcomings through different ways. Humor is one of these means. The fact that deficiencies are eliminated results in superiority and relaxation. The sense of humor and relaxation simultaneously provide laughter. When theories of humor such as superiority, incongruous and relief are taken into consideration, it seems that these theories are related and support each other. Each text is whole with its form and content, which should be evaluated as a whole as much as possible. Hence this study dwells on shortcomings in jokes and in the lights of these shortcomings and theories of humor, it is intended tomake humor in stories, in terms of structural and semantic context, more concrete. Five stories/jokes randomly selected through samples are analyzed in this article. There are two basic types of opposition. The firstone is opposition that creates situation, the second one is thatcreates laughter. The first opposition depicts the shortcomings of knowledge, skill, patience arrogance and jealousyand prepares the second opposition. The opposition that creates laughter make up for shortcomings through cause and effect relationship and laughter comes out.

  5. Experimental Investigation on Power Output in Aged Wind Turbines

    Directory of Open Access Journals (Sweden)

    N. Murugan


    Full Text Available An investigation on the power output on effect of tower height with same diameter of rotor was conducted in a wind turbine site. As the wind acceleration is varying with height, 3 levels were selected according to the availability of tower. The responses of power output with respect to variation of wind speed are changing for the tower heights of 30, 40, and 50 m. The study showed that the actual ideal power output and measured real power output follow the same trend within range of operating wind speed. The empirical model used for calculation of actual ideal power output was compared with real power output and the overall concepts in power output also had been analysed.

  6. Methods and apparatus for determining cardiac output (United States)

    Cohen, Richard J. (Inventor); Mukkamala, Ramakrishna (Inventor); Sherman, Derin A. (Inventor)


    The present invention provides methods and apparatus for determining a dynamical property of the systemic or pulmonary arterial tree using long time scale information, i.e., information obtained from measurements over time scales greater than a single cardiac cycle. In one aspect, the invention provides a method and apparatus for monitoring cardiac output (CO) from a single blood pressure signal measurement obtained at any site in the systemic or pulmonary arterial tree or from any related measurement including, for example, fingertip photoplethysmography.According to the method the time constant of the arterial tree, defined to be the product of the total peripheral resistance (TPR) and the nearly constant arterial compliance, is determined by analyzing the long time scale variations (greater than a single cardiac cycle) in any of these blood pressure signals. Then, according to Ohm's law, a value proportional to CO may be determined from the ratio of the blood pressure signal to the estimated time constant. The proportional CO values derived from this method may be calibrated to absolute CO, if desired, with a single, absolute measure of CO (e.g., thermodilution). The present invention may be applied to invasive radial arterial blood pressure or pulmonary arterial blood pressure signals which are routinely measured in intensive care units and surgical suites or to noninvasively measured peripheral arterial blood pressure signals or related noninvasively measured signals in order to facilitate the clinical monitoring of CO as well as TPR.

  7. Hybrid optoelectronic device with multiple bistable outputs (United States)

    Costazo-Caso, Pablo A.; Jin, Yiye; Gelh, Michael; Granieri, Sergio; Siahmakoun, Azad


    Optoelectronic circuits which exhibit optical and electrical bistability with hysteresis behavior are proposed and experimentally demonstrated. The systems are based on semiconductor optical amplifiers (SOA), bipolar junction transistors (BJT), PIN photodiodes (PD) and laser diodes externally modulated with integrated electro-absorption modulators (LD-EAM). The device operates based on two independent phenomena leading to both electrical bistability and optical bistability. The electrical bistability is due to the series connection of two p-i-n structures (SOA, BJT, PD or LD) in reverse bias. The optical bistability is consequence of the quantum confined Stark effect (QCSE) in the multi-quantum well (MQW) structure in the intrinsic region of the device. This effect produces the optical modulation of the transmitted light through the SOA (or reflected from the PD). Finally, because the optical transmission of the SOA (in reverse bias) and the reflected light from the PD are so small, a LD-EAM modulated by the voltage across these devices are employed to obtain a higher output optical power. Experiments show that the maximum switching frequency is in MHz range and the rise/fall times lower than 1 us. The temporal response is mainly limited by the electrical capacitance of the devices and the parasitic inductances of the connecting wires. The effects of these components can be reduced in current integration technologies.

  8. Optimizing power output by varying repetition tempo. (United States)

    Pryor, Riana R; Sforzo, Gary A; King, Deborah L


    The effects of varying interrepetition rest and eccentric velocity on power output (PO) and the number of repetitions performed during a bench press set were examined in 24 college-aged resistance trained men. On 6 separate occasions, subjects performed a set of bench press at 80% 1 repetition maximum until volitional fatigue. For each of the 6 repetition tempo trials, the bench press set was paced by metronome to a unique repetition tempo involving a combination of the following: interrepetition rest of 0 or 4 seconds; eccentric velocity of 1 or 4 seconds and bottom rest of 0 or 3 seconds. The velocity of concentric contraction was maximal during all 6 tempo trials. During each trial, video data were captured to determine PO variables and number of successful repetitions completed at each tempo. One-way repeated measures analysis of variance showed tempos with a fast eccentric phase (1 second), and no bottom rest produced significantly greater (p ≤ 0.05) PO and repetitions than tempos involving slower eccentric velocity (4 seconds) or greater bottom rest (4 seconds). This combination of greater repetitions and PO resulted in a greater volume of work. Varying interrepetition rest (1 or 4 seconds) did not significantly affect PO or repetitions. The results of this study support the use of fast eccentric speed and no bottom rest during acute performance testing to maximize PO and number of repetitions during a set of bench press.

  9. Birth-Order Complementarity and Marital Adjustment. (United States)

    Vos, Cornelia J. Vanderkooy; Hayden, Delbert J.


    Tested the influence of birth-order complementarity on marital adjustment among 327 married women using the Spanier Dyadic Adjustment Scale (1976). Birth-order complementarity was found to be unassociated with marital adjustment. (Author/BL)

  10. A dual mode charge pump with adaptive output used in a class G audio power amplifier

    Energy Technology Data Exchange (ETDEWEB)

    Feng Yong; Peng Zhenfei; Yang Shanshan; Hong Zhiliang [State Key Laboratory of ASIC and System, Fudan University Shanghai 201203 (China); Liu Yang, E-mail: [Shanghai Design Center, Analog Devices, Shanghai 200021 (China)


    A dual mode charge pump to produce an adaptive power supply for a class G audio power amplifier is presented. According to the amplitude of the input signals, the charge pump has two level output voltage rails available to save power. It operates both in current mode at high output load and in pulse frequency modulation (PFM) at light load to reduce the power dissipation. Also, dynamic adjustment of the power stage transistor size based on load current at the PFM mode is introduced to reduce the output voltage ripple and prevent the switching frequency from audio range. The prototype is implemented in 0.18 {mu}m 3.3 V CMOS technology. Experimental results show that the maximum power efficiency of the charge pump is 79.5% - 0.5x mode and 83.6% - 1x mode. The output voltage ripple is less than 15 mV while providing 120 mA of the load current at PFM control and less than 18 mV while providing 300 mA of the load current at current mode control. An analytical model for ripple voltage and efficiency calculation of the proposed PFM control demonstrates reasonable agreement with measured results. (semiconductor integrated circuits)

  11. A dual mode charge pump with adaptive output used in a class G audio power amplifier (United States)

    Yong, Feng; Zhenfei, Peng; Shanshan, Yang; Zhiliang, Hong; Yang, Liu


    A dual mode charge pump to produce an adaptive power supply for a class G audio power amplifier is presented. According to the amplitude of the input signals, the charge pump has two level output voltage rails available to save power. It operates both in current mode at high output load and in pulse frequency modulation (PFM) at light load to reduce the power dissipation. Also, dynamic adjustment of the power stage transistor size based on load current at the PFM mode is introduced to reduce the output voltage ripple and prevent the switching frequency from audio range. The prototype is implemented in 0.18 μm 3.3 V CMOS technology. Experimental results show that the maximum power efficiency of the charge pump is 79.5% @ 0.5x mode and 83.6% @ 1x mode. The output voltage ripple is less than 15 mV while providing 120 mA of the load current at PFM control and less than 18 mV while providing 300 mA of the load current at current mode control. An analytical model for ripple voltage and efficiency calculation of the proposed PFM control demonstrates reasonable agreement with measured results.

  12. Peak Power Output Test on a Rowing Ergometer: A Methodological Study. (United States)

    Metikos, Boris; Mikulic, Pavle; Sarabon, Nejc; Markovic, Goran


    We aimed to examine the reliability and validity of the peak power output test on a rowing ergometer (Concept II Model D Inc.) and to establish the "optimal resistance" at which this peak power output was observed in 87 participants with varying levels of physical activity and rowing expertise: 15 male and 12 female physically inactive students (age: 21 ± 2 years), 16 male and 20 female physically active students (age: 23 ± 2 years), and 15 male and 9 female trained rowers (age: 19 ± 2 years). The participants performed countermovement jump (CMJ) test on a force plate, followed by 3 maximal-effort rowing trials using the lowest, medium, and the highest adjustable resistance settings (i.e., "1", "5," and "10" on the resistance control dial on the ergometer) in randomized order. The test proved to be reliable (coefficients of variation: 2.6-6.5%; intraclass correlation coefficients: 0.87-0.98). The correlation coefficients between CMJ peak power and rowing peak power (both in watts per kilogram) were fairly consistent across all 3 groups of participants and resistance levels, ranging between r = 0.70 and r = 0.78. Finally, the highest power output was observed at the highest resistance setting in 2 nonathletic groups (p rowing ergometer may serve as a reliable and valid tool for assessing whole-body peak power output in untrained individuals and rowing athletes.

  13. Determination of spallation neutron flux through spectral adjustment techniques (United States)

    Mosby, M. A.; Engle, J. W.; Jackman, K. R.; Nortier, F. M.; Birnbaum, E. R.


    The Los Alamos Isotope Production Facility (IPF) creates medical isotopes using a proton beam impinged on a target stack. Spallation neutrons are created in the interaction of the beam with target. The use of these spallation neutrons to produce additional radionuclides has been proposed. However, the energy distribution and magnitude of the flux is not well understood. A modified SAND-II spectral adjustment routine has been used with radioactivation foils to determine the differential neutron fluence for these spallation neutrons during a standard IPF production run.

  14. Determination of spallation neutron flux through spectral adjustment techniques

    Energy Technology Data Exchange (ETDEWEB)

    Mosby, M.A., E-mail:; Engle, J.W.; Jackman, K.R.; Nortier, F.M.; Birnbaum, E.R.


    The Los Alamos Isotope Production Facility (IPF) creates medical isotopes using a proton beam impinged on a target stack. Spallation neutrons are created in the interaction of the beam with target. The use of these spallation neutrons to produce additional radionuclides has been proposed. However, the energy distribution and magnitude of the flux is not well understood. A modified SAND-II spectral adjustment routine has been used with radioactivation foils to determine the differential neutron fluence for these spallation neutrons during a standard IPF production run.

  15. Adjustment and testing comparison of absolute gravimeters in November 2013

    Directory of Open Access Journals (Sweden)

    Alena Pešková


    Full Text Available This paper is focused on a comparison measurement processing of absolute gravimeters in 2013. The comparison deals with a number of various types of absolute gravimeters and includes also an absolute gravimeter from Geodetic observatory Pecný. Comparative measurements are performed to detect systematic errors of gravimeters. A result of processing is most likely value of a gravity and a systematic error of individual devices. Measured values are input to a adjustment with condition a sum of systematic errors is zero. A part of this process is also verification following output: (i value of a posteriori standard deviation, (ii size of corrections and (iii statistical significance of systematic errors. The results of adjustment are 15 gravity values on the reference places and 25 systematic errors of measuring instruments. Result shows that the presence of systematic errors in measurements is not statistically provable because the systematic errors are similarly sized as their standard deviation.


    Directory of Open Access Journals (Sweden)

    M. V. Mekhrengin


    Full Text Available Modified phase-generated carrier homodyne demodulation technique for fiber-optic sensors is presented. Nowadays phase-generated carrier homodyne demodulation technique is one of the most widespread. One of its drawbacks is the temperature dependence of the output signal because of the modulator scale factor temperature dependence. In order to compensate this dependence an automatic adjustment of the phase modulation depth is necessary. To achieve the result, additional harmonics analysis is used with the help of the Bessel functions. For this purpose the known demodulation scheme is added with the branch, where interferometric signal is multiplied by the third harmonic of the modulation signal. The deviation of optimal ratio of odd harmonics is used as a feedback signal for adjusting the modulation depth. Unwanted emissions arise in the feedback signal, when the third harmonic possesses a value close to zero. To eliminate unwanted emission in the feedback signal, the principle scheme is added with one more branch, where interferometric signal is multiplied by the forth harmonic of the modulation signal. The deviation of optimal ratio of even harmonics is used as a feedback signal alternately with the deviation of optimal ratio of odd harmonics. A mathematical model of the algorithm is designed using the MATLAB package. Results of modeling have confirmed that suggested method gives the possibility for an automatic adjustment of the phase modulation depth and makes it possible to compensate temperature dependence for the modulator scale factor and output signal magnitude.

  17. Can the Universe create itself? (United States)

    Gott, J. Richard, III; Li, Li-Xin


    The question of first-cause has troubled philosophers and cosmologists alike. Now that it is apparent that our universe began in a big bang explosion, the question of what happened before the big bang arises. Inflation seems like a very promising answer, but as Borde and Vilenkin have shown, the inflationary state preceding the big bang could not have been infinite in duration-it must have had a beginning also. Where did it come from? Ultimately, the difficult question seems to be how to make something out of nothing. This paper explores the idea that this is the wrong question-that that is not how the Universe got here. Instead, we explore the idea of whether there is anything in the laws of physics that would prevent the Universe from creating itself. Because spacetimes can be curved and multiply connected, general relativity allows for the possibility of closed timelike curves (CTCs). Thus, tracing backwards in time through the original inflationary state we may eventually encounter a region of CTCs-giving no first-cause. This region of CTCs may well be over by now (being bounded toward the future by a Cauchy horizon). We illustrate that such models-with CTCs-are not necessarily inconsistent by demonstrating self-consistent vacuums for Misner space and a multiply connected de Sitter space in which the renormalized energy-momentum tensor does not diverge as one approaches the Cauchy horizon and solves Einstein's equations. Some specific scenarios (out of many possible ones) for this type of model are described. For example, a metastable vacuum inflates producing an infinite number of (big-bang-type) bubble universes. In many of these, either by natural causes or by action of advanced civilizations, a number of bubbles of metastable vacuum are created at late times by high energy events. These bubbles will usually collapse and form black holes, but occasionally one will tunnel to create an expanding metastable vacuum (a baby universe) on the other side of the

  18. Adjustable wheelchair and method for adjusting said adjustable wheelchair, and wheelchair assembly

    NARCIS (Netherlands)

    Oosterhuis, D.S.


    The invention relates to an adjustable wheelchair comprising: -a carriage; -two rear wheels; -at least one front wheel; -at least one footrest; -a sub-frame; -a seat; and -a backrest; wherein the two rear wheels, the at least one front wheel and the at least one footrest are mounted to the carriage,

  19. Creating Interdisciplinarity within Monodisciplinary Structures

    DEFF Research Database (Denmark)

    Lindvig, Katrine

    The objectives of the PhD project were to explore the linkages between interdisciplinary research and education, and to follow the concrete development and execution of interdisciplinary educational activities. In order to meet these objectives, an extensive literature study and a two......-year ethnographic fieldwork were conducted. The PhD project was part of the development project ‘Interdisciplinary education at UCPH’, with the aim of improving and supporting interdisciplinary teaching and learning at the University of Copenhagen (UCPH). The findings of the PhD study point towards wide...... discrepancies in the use of the term interdisciplinarity, which have repercussions for the practices and incentives of creating interdisciplinary education, research and collaboration. Overall, the thesis shows that interdisciplinary teaching and learning practices have to engage in a continuous balancing...

  20. Creating Genetic Resistance to HIV (United States)

    Burnett, John C.; Zaia, John A.; Rossi, John J.


    HIV/AIDS remains a chronic and incurable disease, in spite of the notable successes of highly active antiretroviral therapy. Gene therapy offers the prospect of creating genetic resistance to HIV that supplants the need for antiviral drugs. In sight of this goal, a variety of anti-HIV genes have reached clinical testing, including gene-editing enzymes, protein-based inhibitors, and RNA-based therapeutics. Combinations of therapeutic genes against viral and host targets are designed to improve the overall antiviral potency and reduce the likelihood of viral resistance. In cell-based therapies, therapeutic genes are expressed in gene modified T lymphocytes or in hematopoietic stem cells that generate an HIV-resistant immune system. Such strategies must promote the selective proliferation of the transplanted cells and the prolonged expression of therapeutic genes. This review focuses on the current advances and limitations in genetic therapies against HIV, including the status of several recent and ongoing clinical studies. PMID:22985479

  1. General Adjustment Influence Factor of Malaysian Construction Expatriates Executives Abroad

    Directory of Open Access Journals (Sweden)

    Zainol Halmi


    Full Text Available The success of Malaysian construction companies creates an opportunity to explore abroad. Past studies have shown that the difficulty of expatriates in adjusting to a new environment is the main aspect that leads to failure of assignments. The success in implementing an overseas assignment does not solely depend on an expatriate’s technical expertise. The adjustment issues such as the interaction with the host nationals, and adaptability to the host country’s culture also exert influence on the assignment. The research was conducted to identify the influence of executive expatriate general adjustment on assignment in host countries. The objective of the study was to identify adjustment influence factors relating to general adjustment abroad. Questionnaires were sent to Malaysian expatriate executives. Sixty four Malaysian expatriate executives from Malaysian construction companies overseas were involved in this study. The findings show interaction, social and living environment influences their adjustment during expatriation. Pre-departure training preparation aspects for expatriates is a good step before their departure to host countries.

  2. Ion transport and osmotic adjustment in plants and bacteria. (United States)

    Shabala, Sergey; Shabala, Lana


    Plants and bacteria respond to hyperosmotic stress by an increase in intracellular osmolality, adjusting their cell turgor to altered growth conditions. This can be achieved either by increased uptake or de novo synthesis of a variety of organic osmolytes (so-called 'compatible solutes'), or by controlling fluxes of ions across cellular membranes. The relative contributions of each of these mechanisms have been debated in literature for many years and remain unresolved. This paper summarises all the arguments and reopens a discussion on the efficiency and strategies of osmotic adjustment in plants and bacteria. We show that the bulk of osmotic adjustment in both plants and bacteria is achieved by increased accumulation of inorganic osmolytes such as K+, Na+ and Cl-. This is applicable to both halophyte and glycophyte species. At the same time, de novo synthesis of compatible solutes is an energetically expensive and slow option and can be used only for the fine adjustment of the cell osmotic potential. The most likely role the organic osmolytes play in osmotic adjustment is in osmoprotection of key membrane transport proteins and reactive oxygen species (ROS) scavenging. The specific mechanisms by which compatible solutes regulate activity of ion transporters remain elusive and require more thorough investigation. It is concluded that creating transgenic species with increased levels of organic osmolytes by itself is counterproductive due to high yield penalties; all these attempts should be complemented by a concurrent increase in the accumulation of inorganic ions directly used for osmotic adjustment.

  3. Efficient Output Solution for Nonlinear Stochastic Optimal Control Problem with Model-Reality Differences

    Directory of Open Access Journals (Sweden)

    Sie Long Kek


    Full Text Available A computational approach is proposed for solving the discrete time nonlinear stochastic optimal control problem. Our aim is to obtain the optimal output solution of the original optimal control problem through solving the simplified model-based optimal control problem iteratively. In our approach, the adjusted parameters are introduced into the model used such that the differences between the real system and the model used can be computed. Particularly, system optimization and parameter estimation are integrated interactively. On the other hand, the output is measured from the real plant and is fed back into the parameter estimation problem to establish a matching scheme. During the calculation procedure, the iterative solution is updated in order to approximate the true optimal solution of the original optimal control problem despite model-reality differences. For illustration, a wastewater treatment problem is studied and the results show the efficiency of the approach proposed.

  4. Lost time, absence costs, and reduced productivity output for employees with bipolar disorder. (United States)

    Kleinman, Nathan L; Brook, Richard A; Rajagopalan, Krithika; Gardner, Harold H; Brizee, Truman J; Smeeding, James E


    We sought to evaluate the incremental health-related lost work time and at-work productivity loss for employees with bipolar disorder (BPD). Health-related absence and real productivity output of employees with BPD were compared with that of non-BPD and other employee cohorts from a large employer database using multivariate regression to control for cohort differences. After adjusting for confounding factors, employees with BPD had significantly higher absence costs (1,219 dollars) and 11.5 additional lost days (Pproductivity output was 20% lower for the BPD group (PEmployees with BPD are less likely to be present for work. When present, their productivity level is similar to that of other employees, but over the course of a year, their absence rates result in significant productivity losses.

  5. Cardiac output measurement using an ultrasound dilution method: a validation study in ventilated piglets. (United States)

    de Boode, Willem P; van Heijst, Arno F J; Hopman, Jeroen C W; Tanke, Ronald B; van der Hoeven, Hans G; Liem, Kian D


    To assess agreement between a new method of cardiac output monitoring, using ultrasound dilution technology and ultrasound transit time-based measurement of pulmonary blood flow in a piglet model. Prospective, experimental juvenile animal study. Animal laboratory of a university hospital. Nine random-bred piglets. After the animals received general anesthesia, we placed intravascular arterial and central venous catheters with the tip positioned in the abdominal aorta and the right atrium, respectively. The catheters were connected to the ultrasound dilution cardiac output monitor. An ultrasound transit time perivascular flow probe was positioned around the common pulmonary artery and served as the standard reference measurement. Cardiac output was manipulated during the experiment by creating hemorrhagic hypotension. Ultrasound dilution cardiac output was measured intermittently with injection volumes of 0.5 mL/kg and 1.0 mL/kg of isotonic saline at body temperature. Ultrasound dilution cardiac output (Q) measurement was compared with pulmonary blood flow (Q). Bias, defined as Q minus Q, was calculated for each measurement. Mean bias with standard deviation was calculated for measurements with volumes of injected saline, 0.5 mL/kg and 1.0 mL/kg, and compared using the Mann-Whitney U test. Mean bias (sd) between Q and Q was 0.040 (0.132) and 0.058 (0.136) L/min for measurement with 0.5 mL/kg and 1.0 mL/kg of isotonic saline, respectively (no statistically significant difference). Ultrasound dilution cardiac output measurement is reliable in piglets with the use of a small volume of a nontoxic indicator (isotonic saline).

  6. Input/output plugin architecture for MDSplus

    Energy Technology Data Exchange (ETDEWEB)

    Stillerman, Joshua, E-mail: [Massachusetts Institute of Technology, 175 Albany Street, Cambridge, MA 02139 (United States); Fredian, Thomas, E-mail: [Massachusetts Institute of Technology, 175 Albany Street, Cambridge, MA 02139 (United States); Manduchi, Gabriele, E-mail: [Consorzio RFX, Euratom-ENEA Association, Corso Stati Uniti 4, Padova 35127 (Italy)


    The first version of MDSplus was released in 1991 for VAX/VMS. Since that time the underlying file formats have remained constant. The software however has evolved, it was ported to unix, linux, Windows, and Macintosh. In 1997 a TCP based protocol, mdsip, was added to provide network access to MDSplus data. In 2011 a mechanism was added to allow protocol plugins to permit the use of other transport mechanisms such as ssh to access data users. This paper describes a similar design which permits the insertion of plugins to handle the reading and writing of MDSplus data at the data storage level. Tree paths become URIs which specify the protocol, host, and protocol specific information. The protocol is provided by a dynamically activated shared library that can provide any consistent subset of the data store access API, treeshr. The existing low level network protocol called mdsip, is activated by defining tree paths like “host::/directory”. Using the new plugin mechanism this is re-implemented as an instance of the general plugin that replaces the low level treeshr input/output routines. It is specified by using a path like “mdsip://host/directory”. This architecture will make it possible to adapt the MDSplus data organization and analysis tools to other underlying data storage. The first new application of this, after the existing network protocol is implemented, will be a plugin based on a key value store. Key value stores, can provide inexpensive scalable, redundant data storage. An example of this might be an Amazon G3 plugin which would let you specify a tree path such as “AG3://container” to access MDSplus data stored in the cloud.

  7. Creating hourly distributions at national level for various energy demands and renewable energy supplies

    DEFF Research Database (Denmark)

    Connolly, David; Drysdale, Dave; Hansen, Kenneth


    includes wind, solar (photovoltaic and thermal), and wave power. Distributions are not created for dispatchable plants, such as coal, gas, and nuclear thermal plants, since their output is usually determined by the energy modelling tool rather than by a dependent resource. The methodologies are purposely...

  8. Application of self-adjustment PID fuzzy controller in inverter air-conditioning control system (United States)

    Jiang, Jing; Zhang, Xuesong


    Two-dimensional fuzzy temperature controller was used in the system of inverter air-conditioner to control the room temperature. Self-adjustment PID fuzzy controller was proposed to realize real-time control function. V / F control mode was used to compensate with low voltage, the average sampling algorithm was proposed to implement SPWM waveform modulation. Finally, the feasibility of self-adjustment PID fuzzy controller was verified by simulation, the actual operation results had proved that self-adjustment PID fuzzy controller had reliable, good output waveform and small harmonic wave, which could meet operational requirements of inverter air-conditioner.

  9. [Scientific publication output of Spanish emergency physicians from 2005 to 2014: a comparative study]. (United States)

    Fernández-Guerrero, Inés María; Martín-Sánchez, Francisco Javier; Burillo-Putze, Guillermo; Miró, Òscar


    To analyze the research output of Spanish emergency physicians between 2005 and 2014 and to compare it to their output in the previous 10-year period (1995-2004) as well as to that of emergency physicians in other countries and Spanish physicians in other specialties. Original articles indexed in the Science Citation Index Expanded of the Web of Science were included. Documents from Spanish emergency physicians were identified by combining the word Spain and any other search term identifying an emergency service or unit in Spain. To identify articles from 7 other Spanish specialties (hematology, endocrinology, cardiology, pneumology, digestive medicine, pediatrics, surgery and orthopedic medicine or traumatology) and emergency physicians in 8 other countries (United States, United Kingdom, Ireland, Italy, France, Germany, Netherlands, Belgium) we used similar strategies. Information about production between 1995 and 2004 was extracted from a prior publication. Spanish emergency physicians signed 1254 articles (mean [SD], 125 [44] articles/y) between 2005 and 2014. That level of productivity was greater than in the 1995-2004 period (mean, 26 [14] articles/y), although the annual growth rate fell from 12.5% in the previous 10-year period to 5.2% in the most recent one. Emergency medicine was among the least productive Spanish specialties we studied, but our discipline's annual growth rate of 5.2% was the highest. Spanish emergency medicine occupies an intermediate position (ranking fifth) among the 9 countries studied, although the population-adjusted rank was higher (fourth). When output was adjusted for gross domestic product, Spain climbed higher in rank, to second position. The annual growth rate was the fourth highest among countries, after Germany (9.9%), the Netherlands (7.3%), and Italy (6.0%). The research output of Spanish emergency physicians continues to be quantitatively lower than that of other Spanish specialties and of emergency physicians in other

  10. Modern Leadership by Applying a Crisis-Adjusted Management


    Grigorescu Adriana; Chiþescu Rãzvan Ion


    The paper “Modern Leadership by applying a crisis-adjusted management” is a scientific approach that tackles a current issue, much discussed and assessed from many viewpoints and interests. To substantiate this issue, it is necessary to have a general view over the global context of the economic crisis, its social, economic and political effects, whilst highlighting a set of principles and policies that create the foundation for a management used by modern leadership in times of crisis.

  11. Creating and Recreating. Microcomputing Working Paper Series. (United States)

    Arms, Valarie

    This document describes a software program, CREATE, which was developed at Drexel University to guide students in creating English compositions. A second program, ReCREATE, guides students in reading their finished papers and making global revisions. CREATE asks 20 questions that a teacher might ask a student in a pre-writing conference. Unlike…

  12. Exploring Mexican American adolescent romantic relationship profiles and adjustment (United States)

    Moosmann, Danyel A.V.; Roosa, Mark W.


    Although Mexican Americans are the largest ethnic minority group in the nation, knowledge is limited regarding this population's adolescent romantic relationships. This study explored whether 12th grade Mexican Americans’ (N = 218; 54% female) romantic relationship characteristics, cultural values, and gender created unique latent classes and if so, whether they were linked to adjustment. Latent class analyses suggested three profiles including, relatively speaking, higher, satisfactory, and lower quality romantic relationships. Regression analyses indicated these profiles had distinct associations with adjustment. Specifically, adolescents with higher and satisfactory quality romantic relationships reported greater future family expectations, higher self-esteem, and fewer externalizing symptoms than those with lower quality romantic relationships. Similarly, adolescents with higher quality romantic relationships reported greater academic self-efficacy and fewer sexual partners than those with lower quality romantic relationships. Overall, results suggested higher quality romantic relationships were most optimal for adjustment. Future research directions and implications are discussed. PMID:26141198

  13. [Clinical observation of sequential occlusal adjustment for kinetic food impaction]. (United States)

    Xu, Juan; Fang, Bi-Song; Ma, Hong; Sun, Xiao-Qiang


    To study the effectiveness of sequential occlusal adjustment for kinetic food impaction. 36 patients who claiming food impaction with normal proximal contact were examined and analyzed about their occlusal relationship and configuration. Sequential occlusal adjustment was made to reduce pestle-mortar-like cusp, to create food escaping groove and to decrease mesial surface of the distal tooth cusp. One week, two weeks and six months later, the patients were reexamined and their oral conditions were evaluated. An elimination of food impaction was claimed for 32 patients in one week appointment and all 36 patients in two-week appointment. Six months later, no patient reported food impaction. The use of sequential occlusal adjustment results in an effective elimination of some kind of kinetic food impaction.

  14. Firm productivity, pollution, and output: theory and empirical evidence from China. (United States)

    Tang, Erzi; Zhang, Jingjing; Haider, Zulfiqar


    Using a theoretical model, this paper argues that as firm productivity increases, there is a decrease in firm-level pollution intensity. However, as productivity increases, firms tend to increase their aggregate output, which requires the use of additional resources that increase pollution. Hence, an increase in productivity results in two opposing effects where increased productivity may in fact increase pollution created by a firm. We describe the joint effect of these two mechanisms on pollution emissions as the "productivity dilemma" of pollution emission. Based on firm-level data from China, we also empirically test this productivity dilemma hypothesis. Our empirical results suggest that, in general, firm productivity has a positive and statistically significant impact on pollution emission in China. However, the impact of productivity on pollution becomes negative when we control for increases in firm output. The empirical evidence also confirms the positive influence of productivity on output, which suggests that the main determinant of pollution is the firm's output. The empirical results provide evidence of the existence of, what we describe as, the productivity dilemma of pollution emission.

  15. Creating responsible partnerships in tourism

    Directory of Open Access Journals (Sweden)

    Ana Spitzer


    Full Text Available RQ: Organisations do not provide sufficient time and effort to seek out companies for partners that would, with the assistance of responsible cooperation, contribute to better quality offers and consequently to increased income and the good reputation of both companies. Responsibilities and ethics is where organizations on bothsides would take on and accept their own norms, tasks, obligations and be aware that in a relationship there is a need to give explanations and justify one’s actions, such partnerships will be long and prosperous. This requires a great deal of knowledge and maturity together with a very important personal characteristic that is care. This study examines whether the creation of long term partnerships through responsible and more personal (friendlyrelations brings the organization to greater success.Purpose: The purpose of this research is to determine how important it is for organizations in the tourism industry to build long term relationships, what it should be based on and whether companies are willing to change the current methods of operations.Method: The method of research was an interview with individuals that had a certain position within a tourism company and had contacts with partners and were obligated to see out new ones. A paradigm model was built and the responses analysed.Results: The survey results are encouraging. The interviews showed that respondents were aware that it is necessary to have long term and responsible partnerships. They recognized that in today’s world there is a lack of collaboration that is based on understanding andthat there should be more relations on a personal level. It isrequired that this changes in the future. The participants specifically highlight financial irresponsibility in many companies that destroys collaboration.Organization: With the help of this study, the author attempts to contribute ideas to organizations on how to create solid collaboration with partners, as

  16. Modelflow underestimates cardiac output in heat-stressed individuals

    DEFF Research Database (Denmark)

    Shibasaki, Manabu; Wilson, Thad E; Bundgaard-Nielsen, Morten


    An estimation of cardiac output can be obtained from arterial pressure waveforms using the Modelflow method. However, whether the assumptions associated with Modelflow calculations are accurate during whole body heating is unknown. This project tested the hypothesis that cardiac output obtained via...... Modelflow accurately tracks thermodilution-derived cardiac outputs during whole body heat stress. Acute changes of cardiac output were accomplished via lower-body negative pressure (LBNP) during normothermic and heat-stressed conditions. In nine healthy normotensive subjects, arterial pressure was measured...... via brachial artery cannulation and the volume-clamp method of the Finometer. Cardiac output was estimated from both pressure waveforms using the Modeflow method. In normothermic conditions, cardiac outputs estimated via Modelflow (arterial cannulation: 6.1 ± 1.0 l/min; Finometer 6.3 ± 1.3 l/min) were...

  17. Adaptive output feedback control of flexible systems (United States)

    Yang, Bong-Jun

    Neural network-based adaptive output feedback approaches that augment a linear control design are described in this thesis, and emphasis is placed on their real-time implementation with flexible systems. Two different control architectures that are robust to parametric uncertainties and unmodelled dynamics are presented. The unmodelled effects can consist of minimum phase internal dynamics of the system together with external disturbance process. Within this context, adaptive compensation for external disturbances is addressed. In the first approach, internal model-following control, adaptive elements are designed using feedback inversion. The effect of an actuator limit is treated using control hedging, and the effect of other actuation nonlinearities, such as dead zone and backlash, is mitigated by a disturbance observer-based control design. The effectiveness of the approach is illustrated through simulation and experimental testing with a three-disk torsional system, which is subjected to control voltage limit and stiction. While the internal model-following control is limited to minimum phase systems, the second approach, external model-following control, does not involve feedback linearization and can be applied to non-minimum phase systems. The unstable zero dynamics are assumed to have been modelled in the design of the existing linear controller. The laboratory tests for this method include a three-disk torsional pendulum, an inverted pendulum, and a flexible-base robot manipulator. The external model-following control architecture is further extended in three ways. The first extension is an approach for control of multivariable nonlinear systems. The second extension is a decentralized adaptive control approach for large-scale interconnected systems. The third extension is to make use of an adaptive observer to augment a linear observer-based controller. In this extension, augmenting terms for the adaptive observer can be used to achieve adaptation in

  18. CORDEX Coordinated Output for Regional Evaluation (United States)

    Gutowski, William; Giorgi, Filippo; Lake, Irene


    The Science Advisory Team for the Coordinated Regional Downscaling Experiment (CORDEX) has developed a baseline framework of specified regions, resolutions and simulation periods intended to provide a foundation for ongoing regional CORDEX activities: the CORDEX Coordinated Output for Regional Evaluation, or CORDEX-CORE. CORDEX-CORE was conceived in part to be responsive to IPCC needs for coordinated simulations that could provide regional climate downscaling (RCD) that yields fine-scale climate information beyond that resolved by GCMs. For each CORDEX region, a matrix of GCM-RCD experiments is designed based on the need to cover as much as possible different dimensions of the uncertainty space (e.g., different emissions and land-use scenarios, GCMs, RCD models and techniques). An appropriate set of driving GCMs can allow a program of simulations that efficiently addresses key scientific issues within CORDEX, while facilitating comparison and transfer of results and lessons learned across different regions. The CORDEX-CORE program seeks to provide, as much as possible, homogeneity across domains, so it is envisioned that a standard set of regional climate models (RCMs) and empirical statistical downscaling (ESD) methods will downscale a standard set of GCMs over all or at least most CORDEX domains for a minimum set of scenarios (high and low end). The focus is on historical climate simulations for the 20th century and projections for 21st century, implying that data would be needed minimally for the period 1950-2100 (but ideally 1900-2100). This foundational ensemble can be regionally enriched with further contributions (additional GCM-RCD pairs) by individual groups over their selected domains of interest. The RCM model resolution for these core experiments will be in the range of 10-20 km, a resolution that has been shown to provide substantial added value for a variety of climate variables and that represents a significant forward step compared in the CORDEX

  19. ¿Cómo transformar los modelos input-output para calcular multiplicadores netos?

    Directory of Open Access Journals (Sweden)

    Pereira López, Xesús


    Full Text Available The aim of this paper is to calculate net input-output multipliers using different adjustments on the Leontief inverse, without simply removing part of its elements. Moreover, in order to increase the accuracy of the estimation, a standardization of the inverse is offered. The empirical application is presented for the Galician economy, based on the year 2011. A comparison between the proposed extended methodology and the traditional I-O techniques is shown, throughout the results obtained in the estimation of the backward and forward sectoral linkages. With this new approach, some of the conventional key sectors will not appear as such, like the case of the construction sector.

  20. Stock Returns and Output Growth in Emerging and Advanced Economies


    Paolo Mauro


    This paper studies the correlation between output growth and lagged stock returns in a panel of emerging market economies and advanced economies. It finds that the correlation is as strong in emerging market economies as in advanced economies. Asset prices therefore contain valuable information to forecast output also in emerging market economies. Moreover, the paper finds that the strength of the correlation between output growth and lagged stock returns is significantly related to a number ...

  1. Adolescents and HIV: creating partnerships. (United States)

    Tierney, S


    Despite the President's directive on youth and HIV in 1997 to focus the nation's attention on adolescents and the battle against AIDS, prevention programs continue to be ineffective. The number of seropositive youth, ages 13 to 24 years old, is unclear due to inconsistent definitions of age ranges and inadequate access to testing. Youth have not sought testing for many reasons, including failing to perceive their vulnerability to HIV, confidentiality concerns, and not realizing the effectiveness of early treatment. Adolescents are creating independence, establishing relationships, and learning about drugs and alcohol. Young gay and bisexual men, drug-using youth, and youth of color are at high risk of HIV transmission. Identifying the population involved in risk-taking behavior and eliminating the behavior is an ineffective strategy for adolescent HIV prevention programs. Complicating the issue further, the goals and expectations of adolescents differ from the adults who design and deliver prevention programs. HIV education and prevention efforts need to address solutions to hopelessness, isolation, and violence, rather than focusing on the negative effects risky behaviors will have in the future. Effective programs combine a youth/adult partnership to take advantage of the strengths of each individual. Strategies for implementing prevention programs that address the specific needs of adolescents are suggested.

  2. Creating healthy and just bioregions. (United States)

    Pezzoli, Keith; Leiter, Robert Allen


    Dramatic changes taking place locally, regionally, globally, demand that we rethink strategies to improve public health, especially in disadvantaged communities where the cumulative impacts of toxicant exposure and other environmental and social stressors are most damaging. The emergent field of Sustainability Science, including a new bioregionalism for the 21st Century, is giving rise to promising place-based (territorially rooted) approaches. Embedded in this bioregional approach is an integrated planning framework (IPF) that enables people to map and develop plans and strategies that cut across various scales (e.g. from regional to citywide to neighborhood scale) and various topical areas (e.g. urban land use planning, water resource planning, food systems planning and "green infrastructure" planning) with the specific intent of reducing the impacts of toxicants to public health and the natural environment. This paper describes a case of bioregionally inspired integrated planning in San Diego, California (USA). The paper highlights food-water-energy linkages and the importance of "rooted" community-university partnerships and knowledge-action collaboratives in creating healthy and just bioregions.

  3. Laser Created Relativistic Positron Jets

    Energy Technology Data Exchange (ETDEWEB)

    Chen, H; Wilks, S C; Meyerhofer, D D; Bonlie, J; Chen, C D; Chen, S N; Courtois, C; Elberson, L; Gregori, G; Kruer, W; Landoas, O; Mithen, J; Murphy, C; Nilson, P; Price, D; Scheider, M; Shepherd, R; Stoeckl, C; Tabak, M; Tommasini, R; Beiersdorder, P


    Electron-positron jets with MeV temperature are thought to be present in a wide variety of astrophysical phenomena such as active galaxies, quasars, gamma ray bursts and black holes. They have now been created in the laboratory in a controlled fashion by irradiating a gold target with an intense picosecond duration laser pulse. About 10{sup 11} MeV positrons are emitted from the rear surface of the target in a 15 to 22-degree cone for a duration comparable to the laser pulse. These positron jets are quasi-monoenergetic (E/{delta}E {approx} 5) with peak energies controllable from 3-19 MeV. They have temperatures from 1-4 MeV in the beam frame in both the longitudinal and transverse directions. Positron production has been studied extensively in recent decades at low energies (sub-MeV) in areas related to surface science, positron emission tomography, basic antimatter science such as antihydrogen experiments, Bose-Einstein condensed positronium, and basic plasma physics. However, the experimental tools to produce very high temperature positrons and high-flux positron jets needed to simulate astrophysical positron conditions have so far been absent. The MeV temperature jets of positrons and electrons produced in our experiments offer a first step to evaluate the physics models used to explain some of the most energetic phenomena in the universe.

  4. Creating experimental color harmony map (United States)

    Chamaret, Christel; Urban, Fabrice; Lepinel, Josselin


    Starting in the 17th century with Newton, color harmony is a topic that did not reach a consensus on definition, representation or modeling so far. Previous work highlighted specific characteristics for color harmony on com- bination of color doublets or triplets by means of a human rating on a harmony scale. However, there were no investigation involving complex stimuli or pointing out how harmony is spatially located within a picture. The modeling of such concept as well as a reliable ground-truth would be of high value for the community, since the applications are wide and concern several communities: from psychology to computer graphics. We propose a protocol for creating color harmony maps from a controlled experiment. Through an eye-tracking protocol, we focus on the identification of disharmonious colors in pictures. The experiment was composed of a free viewing pass in order to let the observer be familiar with the content before a second pass where we asked "to search for the most disharmonious areas in the picture". Twenty-seven observers participated to the experiments that was composed of a total of 30 different stimuli. The high inter-observer agreement as well as a cross-validation confirm the validity of the proposed ground-truth.

  5. Characterization of Input Current Interharmonics in Adjustable Speed Drives

    DEFF Research Database (Denmark)

    Soltani, Hamid; Davari, Pooya; Zare, Firuz


    This paper investigates the interharmonic generation process in the input current of double-stage Adjustable Speed Drives (ASDs) based on voltage source inverters and front-end diode rectifiers. The effects of the inverter output-side low order harmonics, caused by implementing the double-edge sy....... The developed theoretical analysis predicts the drive interharmonic frequency locations with respect to the selected sampling strategies. Simulation and experimental results on a 2.5 kW ASD system verify the effectiveness of the theoretical analysis.......This paper investigates the interharmonic generation process in the input current of double-stage Adjustable Speed Drives (ASDs) based on voltage source inverters and front-end diode rectifiers. The effects of the inverter output-side low order harmonics, caused by implementing the double......-edge symmetrical regularly sampled Space Vector Modulation (SVM) technique, on the input current interharmonic components are presented and discussed. Particular attention is also given to the influence of the asymmetrical regularly sampled modulation technique on the drive input current interharmonics...

  6. 24 CFR 882.410 - Rent adjustments. (United States)


    ... 24 Housing and Urban Development 4 2010-04-01 2010-04-01 false Rent adjustments. 882.410 Section... Policies § 882.410 Rent adjustments. (a) Annual and special adjustments. Contract Rents will be adjusted as... schedule of Contract Rents, provided that the unit is in decent, safe, and sanitary condition and that the...

  7. 12 CFR 19.240 - Inflation adjustments. (United States)


    ... 12 Banks and Banking 1 2010-01-01 2010-01-01 false Inflation adjustments. 19.240 Section 19.240... PROCEDURE Civil Money Penalty Inflation Adjustments § 19.240 Inflation adjustments. (a) The maximum amount... Civil Penalties Inflation Adjustment Act of 1990 (28 U.S.C. 2461 note) as follows: ER10NO08.001 (b) The...

  8. Adjusting to University: The Hong Kong Experience (United States)

    Yau, Hon Keung; Sun, Hongyi; Cheng, Alison Lai Fong


    Students' adjustment to the university environment is an important factor in predicting university outcomes and is crucial to their future achievements. University support to students' transition to university life can be divided into three dimensions: academic adjustment, social adjustment and psychological adjustment. However, these…

  9. [Empirical analysis of relationship between scales and outputs of inpatient services of public comprehensive hospitals in Beijing area]. (United States)

    Jian, Wei-yan; Tang, Shu-nv; Hu, Mu


    To analyze the relationship between scale and outputs of inpatient services of public general hospitals. Data on hospital scales and outputs were drawn from Beijing Health Statistics Annuals and the Database of Inpatient Record administered by Beijing Health Bureau. The outputs of inpatient services were measured, risk-adjusted by Beijing Diagnosis Related Groups (BJ-DRGs). Based on the Cobb-Douglas production function, regression analysis was used to evaluate the contribution of manpower and material resources to the changes in outputs of hospitals on different scales, respectively. Public general hospitals with 200-800 beds were at the stage of economical scale. In the 200-500-bed hospitals, investment of both human and material resources contributed to output changes. In the 501-800-bed hospitals, output changes were positively correlated with manpower input, but not with material resources. In the specific environment in Beijing, medium-sized hospitals are appropriate when the government plan to build hospitals mainly focused on inpatient services. The larger the scale of hospitals is, the more important is the manpower imput. The personnel system reform for public hospitals is urgent.

  10. Inflation, inflation uncertainty and output growth in the USA (United States)

    Bhar, Ramprasad; Mallik, Girijasankar


    Employing a multivariate EGARCH-M model, this study investigates the effects of inflation uncertainty and growth uncertainty on inflation and output growth in the United States. Our results show that inflation uncertainty has a positive and significant effect on the level of inflation and a negative and significant effect on the output growth. However, output uncertainty has no significant effect on output growth or inflation. The oil price also has a positive and significant effect on inflation. These findings are robust and have been corroborated by use of an impulse response function. These results have important implications for inflation-targeting monetary policy, and the aim of stabilization policy in general.

  11. Complementary power output characteristics of electromagnetic generators and triboelectric generators. (United States)

    Fan, Feng-Ru; Tang, Wei; Yao, Yan; Luo, Jianjun; Zhang, Chi; Wang, Zhong Lin


    Recently, a triboelectric generator (TEG) has been invented to convert mechanical energy into electricity by a conjunction of triboelectrification and electrostatic induction. Compared to the traditional electromagnetic generator (EMG) that produces a high output current but low voltage, the TEG has different output characteristics of low output current but high output voltage. In this paper, we present a comparative study regarding the fundamentals of TEGs and EMGs. The power output performances of the EMG and the TEG have a special complementary relationship, with the EMG being a voltage source and the TEG a current source. Utilizing a power transformed and managed (PTM) system, the current output of a TEG can reach as high as ∼3 mA, which can be coupled with the output signal of an EMG to enhance the output power. We also demonstrate a design to integrate a TEG and an EMG into a single device for simultaneously harvesting mechanical energy. In addition, the integrated NGs can independently output a high voltage and a high current to meet special needs.

  12. NACP Regional: Supplemental Gridded Observations, Biosphere and Inverse Model Outputs (United States)

    National Aeronautics and Space Administration — ABSTRACT: This data set contains standardized gridded observation data, terrestrial biospheric model output, and inverse model simulations that were compiled but not...

  13. Global output gap and domestic inflation in China

    Directory of Open Access Journals (Sweden)

    Zhang Chengsi


    Full Text Available This paper evaluates whether globalization has led to greater sensitivity of Chinese consumer price inflation to the global output gap. The empirical analysis uses quarterly data over the period 1995-2012. The global output gap is measured by weighted output gap of China’s top eighteen trading partners. Estimating Phillips curve models and vector autoregressive models, we find that global capacity constraints have both explanatory and predictive power for domestic consumer’s price inflation in China. Therefore, the central bank of China should react to developments in global output gaps.

  14. Algerian medical teachers' research output and its determinants during the 2000-2009 decade. (United States)

    Bezzaoucha, A; Atif, M L; Bouamra, A; El Kebboub, A; Benzerga, M; Ben Abdelaziz, A; Soulimane, A; Ladner, J; Borgès Da Silva, G; Meguenni, K; Quessar, A; Heroual, N; Bouguizi, A; Boussouf, N; Makhlouf, F; Lamdjadani, N; Tibiche, A; Abbassene, S; Regagba, D; Benameur, M


    Publications are the primary output of scientific research. We conducted a national study to quantify Algerian medical teachers' research output and identify its determinants during the 2000-2009 decade. The American Medline database and the French Pascal database were used. A publication was eligible only if the lead author was an Algerian medical teacher (in medicine, pharmacy, or dentistry) working in Algeria. The same questionnaire was completed by cases (teachers who were first authors of an original article during the study period) and randomly selected controls. Logistic regression analysis was used to identify factors related to research output. A total of 79 original articles (42.2% of publications) were retrieved, a quarter of which were listed in Pascal alone. The publication rate was 2.6 original articles per 1000 teachers per year. The journals that published these original articles had a median impact factor of 0.83. The ability to publish an original article was 4.3 times higher if the teacher had undergone training in biostatistics and/or epidemiology (adjusted odds ratio [aOR]=4.31, 95% confidence interval [CI]: 1.79-10.38). A promotion evaluation grid that did not encourage writing (aOR=3.44, 95% CI: 1.42-8.33), a doctoral thesis, seniority, foreign collaboration, and English language proficiency were found to be associated with publication output. Algerian medical teachers' research output was particularly low. Replacing the current promotion grid with a grid that promotes writing, developing abilities to read and write articles and developing English language proficiency are likely to improve this situation. Copyright © 2014. Published by Elsevier Masson SAS.

  15. Effects of levosimendan for low cardiac output syndrome in critically ill patients

    DEFF Research Database (Denmark)

    Koster, Geert; Wetterslev, Jørn; Gluud, Christian


    PURPOSE: To assess the benefits and harms of levosimendan for low cardiac output syndrome in critically ill patients. METHODS: We conducted a systematic review with meta-analyses and trial sequential analyses (TSA) of randomised clinical trials comparing levosimendan with any type of control. Two...... populations was considered inappropriate. Pooled analysis of 30 trials including critically ill patients not having cardiac surgery showed an association between levosimendan and mortality (RR 0.83, TSA-adjusted 95 % CI 0.59-0.97), while trials with lower risk of bias showed no significant difference (RR 0.......83, TSA-adjusted 95 % CI 0.48-1.55). Conventional meta-analysis of all 14 trials including cardiac surgery patients showed an association, while lower risk of bias trials showed no association between levosimendan and mortality (RR 0.52, 95 % CI 0.37-0.73 versus RR 1.02, 95 % CI 0.48-2.16). CONCLUSIONS...

  16. Multi input single output model predictive control of non-linear bio-polymerization process

    Energy Technology Data Exchange (ETDEWEB)

    Arumugasamy, Senthil Kumar; Ahmad, Z. [School of Chemical Engineering, Univerisiti Sains Malaysia, Engineering Campus, Seri Ampangan,14300 Nibong Tebal, Seberang Perai Selatan, Pulau Pinang (Malaysia)


    This paper focuses on Multi Input Single Output (MISO) Model Predictive Control of bio-polymerization process in which mechanistic model is developed and linked with the feedforward neural network model to obtain a hybrid model (Mechanistic-FANN) of lipase-catalyzed ring-opening polymerization of ε-caprolactone (ε-CL) for Poly (ε-caprolactone) production. In this research, state space model was used, in which the input to the model were the reactor temperatures and reactor impeller speeds and the output were the molecular weight of polymer (M{sub n}) and polymer polydispersity index. State space model for MISO created using System identification tool box of Matlab™. This state space model is used in MISO MPC. Model predictive control (MPC) has been applied to predict the molecular weight of the biopolymer and consequently control the molecular weight of biopolymer. The result shows that MPC is able to track reference trajectory and give optimum movement of manipulated variable.

  17. Multi input single output model predictive control of non-linear bio-polymerization process (United States)

    Arumugasamy, Senthil Kumar; Ahmad, Z.


    This paper focuses on Multi Input Single Output (MISO) Model Predictive Control of bio-polymerization process in which mechanistic model is developed and linked with the feedforward neural network model to obtain a hybrid model (Mechanistic-FANN) of lipase-catalyzed ring-opening polymerization of ɛ-caprolactone (ɛ-CL) for Poly (ɛ-caprolactone) production. In this research, state space model was used, in which the input to the model were the reactor temperatures and reactor impeller speeds and the output were the molecular weight of polymer (Mn) and polymer polydispersity index. State space model for MISO created using System identification tool box of Matlab™. This state space model is used in MISO MPC. Model predictive control (MPC) has been applied to predict the molecular weight of the biopolymer and consequently control the molecular weight of biopolymer. The result shows that MPC is able to track reference trajectory and give optimum movement of manipulated variable.

  18. Atmospheric dynamics. Constrained work output of the moist atmospheric heat engine in a warming climate. (United States)

    Laliberté, F; Zika, J; Mudryk, L; Kushner, P J; Kjellsson, J; Döös, K


    Incoming and outgoing solar radiation couple with heat exchange at Earth's surface to drive weather patterns that redistribute heat and moisture around the globe, creating an atmospheric heat engine. Here, we investigate the engine's work output using thermodynamic diagrams computed from reanalyzed observations and from a climate model simulation with anthropogenic forcing. We show that the work output is always less than that of an equivalent Carnot cycle and that it is constrained by the power necessary to maintain the hydrological cycle. In the climate simulation, the hydrological cycle increases more rapidly than the equivalent Carnot cycle. We conclude that the intensification of the hydrological cycle in warmer climates might limit the heat engine's ability to generate work. Copyright © 2015, American Association for the Advancement of Science.

  19. India creates social marketing organization. (United States)


    India, in a major policy shift toward reversible birth controls methods, will form a new organization to promote private sector contraceptive sales. The government, through a recently signed agreement with the Agency for International Development (AID), plans to establish a private nonprofit Contraceptive Marketing Organization (CMO) in fiscal year 1984. This momentous move marks a full circle return to a 1969 proposal by AID and Ford Foundation consultants. Funded at about $500 million over a 7 year period, the CMO will function as a semi-autonomous entity run by a board of governors representing government and such public and public sectors as health, communications, management, manufacturing, marketing, advertising, and market research. According to the agreement called the India Family Planning Communications and Marketing Plan, the CMO's activities will cover procurement and distribution of condoms, oral contraceptives (OCs), and other yet to be determined contraceptive methods. Of the $500 million in funds, the government of India has pledged 2/3, AID roughly $50 million in grants and loans, with the balance expected from such sources as the UN Fund for Population Activities. The CMO's goal is a marked increase in contraceptive use by married couples of reproductive age from the current 6% rate to 20% by 1990. As of 1982, India has 122 million such couples, with 1% purchasing commercial products, 2% buying Nirodh Marketing Program condoms and 3% relying on free government contraceptives. Besides creating the CMO, the India/AID pact outlines intensified public sector family planning promotions and activities. Some Indian health experts believe the government's decision to expand social marketing's role rests with a significant decade long decline in the popularity of such permanent birth control measures as vasectomy and tubal ligation.

  20. Measures of the Contribution made by ICT to Innovation Output. An Update of the ICT Innovation Output Indicator




    This report presents an update of the ICT Innovation Output Indicator based on the latest available data, and provides a measure of the performance of the European Union (EU) and its Member States in ICT innovation. The ICT Innovation Output Indicator is the contribution of Information and Communication Technologies (ICT) to the Innovation Output Indicator elaborated by the European Commission in 2013. The contribution of ICT has been computed for each underlying component of the Innovati...

  1. Verification of hourly forecasts of wind turbine power output

    Energy Technology Data Exchange (ETDEWEB)

    Wegley, H.L.


    A verification of hourly average wind speed forecasts in terms of hourly average power output of a MOD-2 was performed for four sites. Site-specific probabilistic transformation models were developed to transform the forecast and observed hourly average speeds to the percent probability of exceedance of an hourly average power output. (This transformation model also appears to have value in predicting annual energy production for use in wind energy feasibility studies.) The transformed forecasts were verified in a deterministic sense (i.e., as continuous values) and in a probabilistic sense (based upon the probability of power output falling in a specified category). Since the smoothing effects of time averaging are very pronounced, the 90% probability of exceedance was built into the transformation models. Semiobjective and objective (model output statistics) forecasts were made compared for the four sites. The verification results indicate that the correct category can be forecast an average of 75% of the time over a 24-hour period. Accuracy generally decreases with projection time out to approx. 18 hours and then may increase due to the fairly regular diurnal wind patterns that occur at many sites. The ability to forecast the correct power output category increases with increasing power output because occurrences of high hourly average power output (near rated) are relatively rare and are generally not forecast. The semiobjective forecasts proved superior to model output statistics in forecasting high values of power output and in the shorter time frames (1 to 6 hours). However, model output statistics were slightly more accurate at other power output levels and times. Noticeable differences were observed between deterministic and probabilistic (categorical) forecast verification results.

  2. Noogenic psychological characteristics and adjustment

    Directory of Open Access Journals (Sweden)

    Robert Masten


    Full Text Available The present article is concerned with noogenic personality characteristics of adolescents involved in military training in relation to psychic and psychosomatic symptoms. A selected sample of 107 conscripts was questioned regarding their psychical and psychosomatic symptoms in the first and in the sixth month of their military training. They were also questioned regarding personal meaning of life, as well as regarding their values and attitudes toward the army. Individuals maintaining their personal meaning of life, have less psychical and psychosomatic symptoms after coming to army than the others. The findings do not support the hypothesis that after five months of military training the number of symptoms decreases. In most participants the symptoms mostly remained at the same level after five months of training, for one third of respondents the number of symptoms increased significantly. In 9 % of military recruits number of symptoms decreased. The evaluation of differences in the number of symptoms between two assessments showed, that personal meaning, values and attitudes toward army discriminate the groups with different levels of adjustment to military service. Participants with the same level of symptoms after five months are less hedonistic, have more positive attitudes toward army and higher rates on meaning scales. The data are interpreted in the context of theory that adjustment to stressing life events is mediated by noogenic personality characteristics.

  3. Taking the Measure: Applying Reference Outputs to Collection Development. (United States)

    Moore, Carolyn M.; Mielke, Linda


    Presents preliminary results of Clearwater Public Library's study of the usefulness of "Output Measures for Public Libraries" as an indicator of reference performance, and the impact of collection development choices on reference output measures. Data on turnover rate, in-library use, reference fill rate, and reference transactions per…

  4. Open Access Policy for IDRC-Funded Project Outputs | IDRC ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    IDRC-funded project outputs consist of journal articles, books, and grey literature resulting from IDRC-funded activities — including those outputs produced beyond the funding period. Grey literature includes, though is not limited to, final technical reports, theses, papers, workshop reports, conference proceedings, ...

  5. Macroeconomic Uncertainty and Sectoral Output Performance: Empirical Evidence from Greece


    Katrakilidis, Constantinos P.; Tabakis, Nikolaos M.


    This paper provides an empirical investigation of the links between macroeconomic uncertainty and sectoral output using Greek data. Uncertainty is considered in three distinct components, namely the inflation uncertainty, the exchange rate uncertainty and the output uncertainty. The results highlight the differences in sectoral responsiveness and the importance of a stable macroeconomic environment.

  6. A Result on Output Feedback Linear Quadratic Control

    NARCIS (Netherlands)

    Engwerda, J.C.; Weeren, A.J.T.M.


    In this note we consider the static output feedback linear quadratic control problem.We present both necessary and sufficient conditions under which this problem has a solution in case the involved cost depend only on the output and control variables.This result is used to present both necessary and

  7. The Role of Entrepreneurial Financing on National Output: An ...

    African Journals Online (AJOL)

    Nneka Umera-Okeke

    Abstract. Due to the magnanimous role of entrepreneurial finance in spurring output thereby fostering economic performance as supported by the intermediation and entrepreneurial financing theory, this study explored the influx of entrepreneurial financing on output generation in Nigeria utilizing secondary sourced data ...

  8. A reappraisal of existing expressions for estimating radiation output ...

    African Journals Online (AJOL)

    The considerable differences in radiation output from different X-ray machine with given kVp and mAs has led a number of expressions being proposed for skin does in diagnostic radiography each having a power dependence of the output with the peak tube voltage. The values of the exponent in the power expression and ...

  9. High output stomas: ensuring safe discharge from hospital to home. (United States)

    Smith, Lisa

    High-output stomas are a challenge for the patient and all health professionals involved. This article discusses safe discharge home for this patient group, encouraging collaborative working practices between acute care trust and the community services. The authors also discuss the management of a high-output stoma and preparation and education of the patient before discharge home.

  10. Factors that Influence Research Output of Academic Librarians in ...

    African Journals Online (AJOL)

    The survey was carried out to determine the factors that influence research output of academic librarians in Niger state. It was aimed at providing the reality of the opinion on research output of academic librarians who are working in Niger state. Questionnaire were designed and distributed to (65) sixty five of the (85) eighty ...

  11. Output-based Job Descriptions: Beyond Skills and Competencies. (United States)

    Thomas, Mary Norris


    Explains output-based job descriptions, which describe the work rather than the worker. Topics include identifying job outputs; job analyses; identifying skills and competencies as support elements; and benefits over traditional job descriptions, including help in achieving business goals, use in strategic planning, clarifying role relationships,…

  12. Against Journal Articles for Measuring Value in University Output (United States)

    Mbali, C.


    The following lines of arguments against the metrics of journal articles is developed: (1) Textual output should no longer be main valued output; (2) Digitalization enables other ways of advancing knowledge; (3) Measures by journal article favours the disciplines of Natural Science and Engineering (NSE) and moulds other disciplines of Social…

  13. Mengartikulasikan Tabel Input-Output dan Kerangka Analisisnya

    Directory of Open Access Journals (Sweden)

    Budi Cahyono


    Full Text Available Input -Output (I-O table can be used to analyse economic projection and present some service and good transactions in production activities, final demand, and bruto added value (BAV. I-O table can help to analyse government policy, such as impact analysis to output, bruto added value, and worker needed.

  14. Duplicating MC-15 Output with Python and MCNP

    Energy Technology Data Exchange (ETDEWEB)

    McSpaden, Alexander Thomas [Los Alamos National Lab. (LANL), Los Alamos, NM (United States)


    Two Python scripts have been written that process the output files of MCNP6 into a format that mimics the list-mode output of Los Alamos National Laboratory’s MC-15 and NPOD neutron detection systems. This report details the methods implemented in these scripts and instructions on their use.

  15. 30 CFR 7.66 - Output energy test. (United States)


    ... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Output energy test. 7.66 Section 7.66 Mineral Resources MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS TESTING BY APPLICANT OR THIRD PARTY Multiple-Shot Blasting Units § 7.66 Output energy...

  16. 40 CFR 1065.210 - Work input and output sensors. (United States)


    ... 40 Protection of Environment 32 2010-07-01 2010-07-01 false Work input and output sensors. 1065... Ambient Conditions § 1065.210 Work input and output sensors. (a) Application. Use instruments as specified... sensors, transducers, and meters that meet the specifications in Table 1 of § 1065.205. Note that your...

  17. Bibliometrics analysis of publication output in library and information ...

    African Journals Online (AJOL)

    This paper used bibliometrics to examine patterns of publication output in library and information science (LIS) research in Nigerian universities from 2000-2014 in terms of total publication output and trend in LIS research, most productive universities and authors, most cited universities and authors, journals use in ...

  18. High efficiency input-output prism waveguide coupler: an analysis. (United States)

    Sarid, D


    The theory and experimental results of the performance of a practical prism waveguide input-output coupler are presented. The coupling scheme, which results in a 94% coupling efficiency, uses a single prism for both input and output coupling, with the light propagating 1 cm in the LiNbO(3) Ti in diffused waveguide.

  19. Research Output of Academics in the Science and Engineering ...

    African Journals Online (AJOL)

    This paper analysed the research output of academics in the science and engineering faculties of Federal Government-owned universities in Nigeria. It explored their level of research output during 1997-2006 in terms of the publication of journal articles and linked research and publication trends with place of publication ...

  20. Output Regulation of Large-Scale Hydraulic Networks

    NARCIS (Netherlands)

    De Persis, C.; Jensen, T.N.; Ortega, R.; Wisniewski, R.

    The problem of output regulation for a class of hydraulic networks found in district heating systems is addressed in this brief. The results show that global asymptotic and semiglobal exponential output regulation is achievable using a set of decentralized proportional-integral controllers. The fact

  1. Output Enhancement in the Transfer-Field Machine Using Rotor ...

    African Journals Online (AJOL)

    The rotor windings not only give rise to an increase in the induced emf but also augment output by effectively lowering the synchronous reactance of the output winding. The rotor circuit current can be increased by connecting it to a synchronous condenser load, and thereby further increase both the emf and the synchronous ...

  2. The Role of Entrepreneurial Financing on National Output: An ...

    African Journals Online (AJOL)

    Due to the magnanimous role of entrepreneurial finance in spurring output thereby fostering economic performance as supported by the intermediation and entrepreneurial financing theory, this study explored the influx of entrepreneurial financing on output generation in Nigeria utilizing secondary sourced data over the ...

  3. Are output measurements always necessary after CT tube replacement?

    Directory of Open Access Journals (Sweden)

    Paul J Stauduhar


    Full Text Available Purpose: TX regulations and the ACR require that CT radiation output be measured within 30 days of major service. The most common major service is tube replacement. We hypothesized that historical QC data could be used instead to determine if output measurements are necessary, reducing the need for costly output measurements.Methods: We reviewed 66 records of tube replacements to determine with what frequency output falls outside specifications. We also conducted an experiment to verify that clinically significant output changes could be identified by comparing image noise in historical QC data with the same data after tube replacement. We used 30 days of historical QC data to establish a baseline noise level and 95% confidence interval (CI for individual noise measurements. To simulate output changes, we acquired phantom images with our QC protocol while manually changing output (mA. We acquired 10 images using the baseline output and 10 images at each different “output”. We evaluated individual images and subsets of images at each “output” to determine if the system was within the manufacturer’s specifications.Results: None of the 66 tube replacements resulted in an output change that exceeded specifications. Analysis of 30 days of historic QC data for our experimental system indicated a mean noise of 5.4 HU with 95% CI of 5.1 ‒ 5.7 HU. When using the mean noise of 10 images acquired at each of the varying outputs, we were able to identify, with 100% accuracy, images acquired at outputs outside manufacturer’s specifications.Conclusion: The results of our review of historical tube replacement data indicated the likelihood of output falling outside manufacturer’s specifications is low. Considering this, it is likely that by using QC data from programs required by regulation and the ACR physicists can reliably verify radiation output stability remotely instead of making physical measurements.--------------------Cite this article

  4. A two stage data envelopment analysis model with undesirable output (United States)

    Shariff Adli Aminuddin, Adam; Izzati Jaini, Nur; Mat Kasim, Maznah; Nawawi, Mohd Kamal Mohd


    The dependent relationship among the decision making units (DMU) is usually assumed to be non-existent in the development of Data Envelopment Analysis (DEA) model. The dependency can be represented by the multi-stage DEA model, where the outputs from the precedent stage will be the inputs for the latter stage. The multi-stage DEA model evaluate both the efficiency score for each stages and the overall efficiency of the whole process. The existing multi stage DEA models do not focus on the integration with the undesirable output, in which the higher input will generate lower output unlike the normal desirable output. This research attempts to address the inclusion of such undesirable output and investigate the theoretical implication and potential application towards the development of multi-stage DEA model.

  5. Quantum state majorization at the output of bosonic Gaussian channels (United States)

    Mari, A.; Giovannetti, V.; Holevo, A. S.


    Quantum communication theory explores the implications of quantum mechanics to the tasks of information transmission. Many physical channels can be formally described as quantum Gaussian operations acting on bosonic quantum states. Depending on the input state and on the quality of the channel, the output suffers certain amount of noise. For a long time it has been conjectured, but never proved, that output states of Gaussian channels corresponding to coherent input signals are the less noisy ones (in the sense of a majorization criterion). Here we prove this conjecture. Specifically we show that every output state of a phase-insensitive Gaussian channel is majorized by the output state corresponding to a coherent input. The proof is based on the optimality of coherent states for the minimization of strictly concave output functionals. Moreover we show that coherent states are the unique optimizers.

  6. Creating Shared Value by Combatting Corruption

    National Research Council Canada - National Science Library

    Philip M Nichols


      Creating Shared Value The creating shared value strategy is similar to corporate social responsibility and to social impact in that it focusses on the intersection between business and the rest of society...

  7. Hybrid membrane contactor system for creating semi-breathing air (United States)

    Timofeev, D. V.


    Typically, the equipment to create an artificial climate does not involve changing the composition of the respiratory air. In particular in medical institutions assumes the existence of plant of artificial climate and disinfection in operating rooms and intensive care wards. The use of a hybrid membrane-absorption systems for the generation of artificial atmospheres are improving the respiratory system, blood is enriched or depleted of various gases, resulting in increased stamina, there is a better, faster or slower metabolism, improves concentration and memory. Application of the system contributes to easy and rapid recovery after the operation. By adding a special component, with drug activity, air ionization, and adjust its composition, you can create a special, more favorable for patients with the atmosphere. These factors allow for the treatment and rehabilitation of patients and reduce mortality of heavy patients.

  8. Neighborhood Assets and Adolescent Adjustment

    Directory of Open Access Journals (Sweden)

    Alfredo Oliva Delgado


    Full Text Available This paper presents the results of a study analyzing the relationship between some dimensions or developmental assets in the neighborhood, as measured by the Scale for the Assessment of Developmental Assets in the Neighborhood, and adjustment and life satisfaction of adolescent boys and girls. The sample consisted of 2400 adolescents (1068 boys and 1332 girls between ages 12 and 17 who were secondary students in public and private schools in Western Andalusia. The results showed significant relationships between most dimensions of the scale (youth empowerment, attachment to neighbourhood safety and social control and internalizing and externalizing problems, substance use and life satisfaction of participants. Moreover, the data provide evidence about the external validity of the scale used in the study. From the results some suggestions for intervention in the community environment are extracted.

  9. Time and money: a retrospective evaluation of the inputs, outputs, efficiency, and incomes of physicians. (United States)

    Weeks, William B; Wallace, Amy E


    Physicians' concerns with the health care system focus on having less time with their patients and needing to work harder to maintain incomes. We sought to determine whether physicians are working longer hours and whether their incomes are declining. Using survey data, we conducted a retrospective analysis of physician inputs, outputs, efficiency, and incomes for generalists, general internists, general surgeons, pediatricians, and obstetrician-gynecologists from 1987 to 1998. Physician inputs (as measured by the average hours worked in professional activities) showed little absolute change across specialties over time. Outputs (as measured by the total number of patient visits per week) decreased between 9% and 28%, depending on the specialty. Efficiency (the proportion of time spent in direct patient care and the amount of time spent during a typical office visit) remained stable over the time examined. Consumer price index inflation-adjusted annual incomes increased considerably over the time period examined (42% for general internists, 28% for pediatricians, 13% for generalists, and 8% for general surgeons); only obstetricians-gynecologists showed a net loss of annual income when adjusting for inflation (a 6% loss). Our findings do not confirm the prevailing concern that physicians are working harder or longer or that their incomes are declining, but they offer an explanation of how physicians are maintaining incomes without increasing work inputs. There is a great deal of dissatisfaction with the health care system among physicians; exploration of perceptual reasons for that dissatisfaction may outline a course of action needed to resolve it.

  10. Design of a pulsewidth-modulated resonant converter for a high-output-voltage power supply (United States)

    Turnbull, Fred G.; Tompkins, Russell E.


    The design and fabrication of a parallel resonant converter circuit and a high-frequency step-up transformer used to supply an adjustable dc voltage to a load is described. The 500-W system is operated from 115/230 V single-phase 60Hz power, which is rectified and filtered to form a 310-V dc link. A two-transistor half-bridge circuit operating at a fixed frequency above the ciruits resonant frequency converts the dc voltage to an ac voltage at approximately 20 kHx. This high-frequency voltage is transformed with a low-capacitance oil-impregnated ferrite transformer. The output voltage is rectified to form a dc voltage with a maximum value of 90-kV peak. The output voltage is adjustable using pulsewidth modulation of the conduction time of the two transistors in the power circuit. The energy stored in the resonant circuit provides a sinusoidal transformer voltage at fixed frequency over a wide range of control. The system is provided with a closed-loop peak-voltage regulator and an on-off capability from the control electronics. The transformer is designed for a specific value of inductance and capacitance to operate at the desired resonant frequency and characteristic impedance.

  11. Climate Change Impact on Photovoltaic Energy Output: The Case of Greece

    Directory of Open Access Journals (Sweden)

    Ioanna S. Panagea


    Full Text Available Solar power is the third major renewable energy, constituting an increasingly important component of global future—low carbon—energy portfolio. Accurate climate information is essential for the conditions of solar energy production, maximization, and stable regulation and planning. Climate change impacts on energy output projections are thus of crucial importance. In this study the effect of projected changes in irradiance and temperature on the performance of photovoltaic systems in Greece is examined. Climate projections were obtained from 5 regional climate models (RCMs under the A1B emissions scenario, for two future periods. The RCM data present systematic errors against observed values, resulting in the need of bias adjustment. The projected change in photovoltaic energy output was then estimated, considering changes in temperature and insolation. The spatiotemporal analysis indicates significant increase in mean annual temperature (up to 3.5°C and mean total radiation (up to 5 W/m2 by 2100. The performance of photovoltaic systems exhibits a negative linear dependence on the projected temperature increase which is outweighed by the expected increase of total radiation resulting in an up to 4% increase in energy output.

  12. Validation of Fick cardiac output calculated with assumed oxygen consumption : a study of cardiac output during epoprostenol

    NARCIS (Netherlands)

    Bergstra, A; van den Heuvel, A F M; Zijlstra, F; Berger, R M F; Mook, G A; van Veldhuisen, D J

    OBJECTIVE: To test the validity of using assumed oxygen consumption for Fick cardiac output during administration of epoprostenol. METHODS: In 24 consecutive patients Fick cardiac output calculated with assumed oxygen consumption according to LaFarge and Miettinen (COLM) and according to Bergstra et

  13. Research Design in Marital Adjustment Studies. (United States)

    Croake, James W.; Lyon, Rebecca S.


    The numerous marital adjustment studies which exist in the literature are confounded by basic design problems. Marital stability should be the baseline for data. It is then possible to discuss "happiness,""success,""adjustment," and "satisfaction." (Author)

  14. Communication and Empathy in Marital Adjustment. (United States)

    Elliott, Marianne Weeks


    This study examines relationships between measures of empathy, communication, and marital adjustment and seeks information descriptive of the nature of empathy and of communication of maritally adjusted and maritally maladjusted couples. (CT)


    Directory of Open Access Journals (Sweden)

    Predescu Antoniu


    Full Text Available Dynamics of fiscal policy, more specific rise in fiscal pressure, increase which can be obtained either through enforcing one or more taxes, or by augmenting at least a tax, has a powerful impact on output management – visible, in the first place, in the realm of output size. But, not only output size will vary, after an increase in fiscal pressure, at least because output management is dealing with more than issue of producing a certain quantity of products, material or not, goods and/or services. Products are made for selling, but selling is impossible but through price and with a price; price is an essential economic variable, both in microeconomic and macroeconomic spheres. Thus, on one side rise in fiscal pressure determines, at least in short term, and, of course, if producers pay, or even support, a tax, be it newly enforced or (newly augmented, a rise of prices for sold products, and, on the other side, this results in a variation in output size, e.g. a reduced output volume, but, though, not in a linear trend. The dynamics, in this case of economic mechanism whose yield is a reduced volume of goods and/or services, in not linear, because essential are, too, the characteristics of products, from which effects of demand price elasticity and offer price elasticity influence significantly, in this framework, output management.


    Directory of Open Access Journals (Sweden)

    Alexey A. Bobtsov


    Full Text Available The problem of adaptive output control for parametric and functionally uncertain plants is considered. Application examples illustrating the practical use of the discussed theory are given along with the mathematical formulation of the problem. A brief review of adaptive output control methods, by both linear and non-linear systems, is presented and an extensive bibliography, in which the reader will find a detailed description of the specific algorithms and their properties, is represented. A new approach to the output control problem - a method of consecutive compensator - is considered in detail.

  17. Research output in medieval and crusades studies 1981-2011

    DEFF Research Database (Denmark)

    Nielsen, Torben Kjersgaard


    of the methodological considerations necessary in carrying out this kind of quantitative research. On the basis of bibliometric statistics generated from the International Medieval Bibliography (IMB) and Bibliographie de Civilisation Médiévale (BCM), the article identifies a numeric decrease in research output both......This article investigates the numerical research output of crusade studies over the past thirty years. The article compares its findings to the output of medieval studies in general in the same period. It shows in detail how the applied bibliometric statistics are generated and elaborates on some...

  18. Determining power outputs for cycle ergometers with different sized flywheels. (United States)

    Gledhill, N; Jamnik, R


    A number of cycle ergometers are presently being used in a variety of laboratory applications for which the quantification of power output is required. To calculate the power output of cycle ergometers with varying sized flywheels, the circumference of the resistance track on the flywheel is multiplied by the number of flywheel revolutions produced with one complete revolution of the pedal. This provides the "effective distance travelled," and by selecting an appropriate combination of pedalling rate plus flywheel resistance, any desired power output can be produced.

  19. Analysis of the South African input-output table to determine sector specific economic impacts: A study on real estate

    Directory of Open Access Journals (Sweden)

    Douw Gert Brand Boshoff


    Full Text Available Input-output analysis is a well known method of analysing specific economic activity and the influence of different sectors on the economy and on one another. This study investigates the ability of input-output analysis to consider the importance of commercial real estate on the economy. It analyses the economic activity, contribution to GDP, employment created and taxes generated with reference to direct, indirect and induced impacts. The research shows the contribution of the specific sector on the economy and highlights the ability of input-output analysis to determine the impact of different types of property and locational analysis. The interaction of property with the economy is discussed, which also enables the use of the analysis reported here for short term future forecasting, whereby expected real estate activity is used to forecast the direct, indirect and induced effects on the economy.

  20. Adjustment to College in Students with ADHD (United States)

    Rabiner, David L.; Anastopoulos, Arthur D.; Costello, Jane; Hoyle, Rick H.; Swartzwelder, H. Scott


    Objective: To examine college adjustment in students reporting an ADHD diagnosis and the effect of medication treatment on students' adjustment. Method: 1,648 first-semester freshmen attending a public and a private university completed a Web-based survey to examine their adjustment to college. Results: Compared with 200 randomly selected control…

  1. Do fair value adjustments influence dividend policy?

    NARCIS (Netherlands)

    Goncharov, I.; van Triest, S.


    We examine the impact of positive fair value adjustments on dividend policy. If fair value adjustments are transitory in nature and managers are able to assess their implications for future earnings, fair value adjustments in net income is expected to have no distribution consequences. However,

  2. 24 CFR 884.109 - Rent adjustments. (United States)


    ... 24 Housing and Urban Development 4 2010-04-01 2010-04-01 false Rent adjustments. 884.109 Section... RENTAL HOUSING PROJECTS Applicability, Scope and Basic Policies § 884.109 Rent adjustments. (a) Funding... Contract Rent adjustments under this paragraph, up to the maximum amount authorized under the Contract...

  3. 24 CFR 886.312 - Rent adjustments. (United States)


    ... 24 Housing and Urban Development 4 2010-04-01 2010-04-01 false Rent adjustments. 886.312 Section... Program for the Disposition of HUD-Owned Projects § 886.312 Rent adjustments. (a) Limits. Housing assistance payments will be made in amounts commensurate with contract rent adjustments under this paragraph...

  4. 24 CFR 886.112 - Rent adjustments. (United States)


    ... 24 Housing and Urban Development 4 2010-04-01 2010-04-01 false Rent adjustments. 886.112 Section... for Projects With HUD-Insured and HUD-Held Mortgages § 886.112 Rent adjustments. This section applies to adjustments of the dollar amount stated in the Contract as the Maximum Unit Rent. It does not...

  5. 12 CFR 1780.80 - Inflation adjustments. (United States)


    ... 12 Banks and Banking 7 2010-01-01 2010-01-01 false Inflation adjustments. 1780.80 Section 1780.80... DEVELOPMENT RULES OF PRACTICE AND PROCEDURE RULES OF PRACTICE AND PROCEDURE Civil Money Penalty Inflation Adjustments § 1780.80 Inflation adjustments. The maximum amount of each civil money penalty within OFHEO's...

  6. 24 CFR 5.611 - Adjusted income. (United States)


    ... 24 Housing and Urban Development 1 2010-04-01 2010-04-01 false Adjusted income. 5.611 Section 5... Serving Persons with Disabilities: Family Income and Family Payment; Occupancy Requirements for Section 8 Project-Based Assistance Family Income § 5.611 Adjusted income. Adjusted income means annual income (as...

  7. Assessing Marital Adjustment and Satisfaction: A Review. (United States)

    Burnett, Paul


    Evaluated five instruments of marital adjustment and satisfaction: Marital Adjustment Test, Dyadic Adjustment Scale, Marital Satisfaction Index, Marital Satisfaction Scale, and the Kansas Marital Satisfaction Scale. Discusses studies evaluating psychometric properties of each instrument. Recommends the Marital Satisfaction Index for assessing…

  8. Correlates of Children's Social Adjustment following Divorce. (United States)

    Pett, Marjorie G.


    Interviewed randomly selected custodial parents (N=206). Custodial parents also completed a social adjustment scale on the criterion measure of children's adjustment. Results showed the most significant factor related to children's social adjustment was a positive relationship to the custodial parent. (Author/RC)

  9. Econometric estimation of investment utilization, adjustment costs, and technical efficiency in Danish pig farms using hyperbolic distance functions

    DEFF Research Database (Denmark)

    Henningsen, Arne; Fabricius, Ole; Olsen, Jakob Vesterlund


    Based on a theoretical microeconomic model, we econometrically estimate investment utilization, adjustment costs, and technical efficiency in Danish pig farms based on a large unbalanced panel dataset. As our theoretical model indicates that adjustment costs are caused both by increased inputs...... and by reduced outputs, we estimate hyperbolic distance functions that account for reduced technical efficiency both in terms of increased inputs and reduced outputs. We estimate these hyperbolic distance functions as “efficiency effect frontiers” with the Translog functional form and a dynamic specification...... of investment activities by the maximum likelihood method so that we can estimate the adjustment costs that occur in the year of the investment and the three following years. Our results show that investments are associated with significant adjustment costs, especially in the year in which the investment...

  10. Control of Adjustable Compliant Actuators

    Directory of Open Access Journals (Sweden)

    Berno J.E. Misgeld


    Full Text Available Adjustable compliance or variable stiffness actuators comprise an additional element to elastically decouple the actuator from the load and are increasingly applied to human-centered robotic systems. The advantages of such actuators are of paramount importance in rehabilitation robotics, where requirements demand safe interaction between the therapy system and the patient. Compliant actuator systems enable the minimization of large contact forces arising, for example, from muscular spasticity and have the ability to periodically store and release energy in cyclic movements. In order to overcome the loss of bandwidth introduced by the elastic element and to guarantee a higher range in force/torque generation, new actuator designs consider variable or nonlinear stiffness elements, respectively. These components cannot only be adapted to the walking speed or the patient condition, but also entail additional challenges for feedback control. This paper introduces a novel design method for an impedance-based controller that fulfills the control objectives and compares the performance and robustness to a classical cascaded control approach. The new procedure is developed using a non-standard positive-real Η2 controller design and is applied to a loop-shaping approach. Robust norm optimal controllers are designed with regard to the passivity of the actuator load-impedance transfer function and the servo control problem. Classical cascaded and positive-real Η2 controller designs are validated and compared in simulations and in a test bench using a passive elastic element of varying stiffness.

  11. Fluid Overload and Cumulative Thoracostomy Output Are Associated With Surgical Site Infection After Pediatric Cardiothoracic Surgery. (United States)

    Sochet, Anthony A; Nyhan, Aoibhinn; Spaeder, Michael C; Cartron, Alexander M; Song, Xiaoyan; Klugman, Darren; Brown, Anna T


    To determine the impact of cumulative, postoperative thoracostomy output, amount of bolus IV fluids and peak fluid overload on the incidence and odds of developing a deep surgical site infection following pediatric cardiothoracic surgery. A single-center, nested, retrospective, matched case-control study. A 26-bed cardiac ICU in a 303-bed tertiary care pediatric hospital. Cases with deep surgical site infection following cardiothoracic surgery were identified retrospectively from January 2010 through December 2013 and individually matched to controls at a ratio of 1:2 by age, gender, Risk Adjustment for Congenital Heart Surgery score, Society of Thoracic Surgeons-European Association for Cardiothoracic Surgery category, primary cardiac diagnosis, and procedure. None. Twelve cases with deep surgical site infection were identified and matched to 24 controls without detectable differences in perioperative clinical characteristics. Deep surgical site infection cases had larger thoracostomy output and bolus IV fluid volumes at 6, 24, and 48 hours postoperatively compared with controls. For every 1 mL/kg of thoracostomy output, the odds of developing a deep surgical site infection increase by 13%. By receiver operative characteristic curve analysis, a cutoff of 49 mL/kg of thoracostomy output at 48 hours best discriminates the development of deep surgical site infection (sensitivity 83%, specificity 83%). Peak fluid overload was greater in cases than matched controls (12.5% vs 6%; p analysis, a threshold value of 10% peak fluid overload was observed to identify deep surgical site infection (sensitivity 67%, specificity 79%). Conditional logistic regression of peak fluid overload greater than 10% on the development of deep surgical site infection yielded an odds ratio of 9.4 (95% CI, 2-46.2). Increased postoperative peak fluid overload and cumulative thoracostomy output were associated with deep surgical site infection after pediatric cardiothoracic surgery. We

  12. Publish or perish: strategies to help rural early career researchers increase publication output. (United States)

    Johnston, J; Wilson, S; Rix, E; Pit, S W


    Researchers are challenged to publish or perish. A range of barriers to writing can result in sub-optimal productivity, particularly for early career researchers. Researchers in rural areas may face additional challenges of distance and limited access to colleagues. Implementing strategies to address some of these obstacles was identified as a priority for a group of early career, rural researchers. In late 2010, the Wiljo-Piri Writing Group was established, embarking on fortnightly lunch-time meetings for support, networking and the public setting of writing goals; and arranging pairing of 'writing buddies' committed to writing daily, with contact before and/or after each writing session to provide motivation and accountability. Key measures for improvement were publication output (publications per person per year (PPY)) and perceptions of effectiveness of strategies. Publication output varied between individuals and over time; overall PPY rates improved from 0.5 to 1.25. 'Buddy writing' helped facilitate adherence to routine writing sessions and was associated with perceptions of increased creativity, efficiency, confidence and ability to focus. Structured peer support can be a powerful tool to create and maintain regular writing practices and increase publication output. 'Buddy writing' is applicable to any research or academic setting, and helps maintain commitment to daily writing sessions. Furthermore, such interventions can provide peer support for those working in rural settings, helping to address issues such as geographical and professional isolation. Suggested key steps in establishing structured peer support are provided.

  13. Wide-Range Temperature Sensors with High-Level Pulse Train Output (United States)

    Hammoud, Ahmad; Patterson, Richard L.


    Two types of temperature sensors have been developed for wide-range temperature applications. The two sensors measure temperature in the range of -190 to +200 C and utilize a thin-film platinum RTD (resistance temperature detector) as the temperature-sensing element. Other parts used in the fabrication of these sensors include NPO (negative-positive- zero) type ceramic capacitors for timing, thermally-stable film or wirewound resistors, and high-temperature circuit boards and solder. The first type of temperature sensor is a relaxation oscillator circuit using an SOI (silicon-on-insulator) operational amplifier as a comparator. The output is a pulse train with a period that is roughly proportional to the temperature being measured. The voltage level of the pulse train is high-level, for example 10 V. The high-level output makes the sensor less sensitive to noise or electromagnetic interference. The output can be read by a frequency or period meter and then converted into a temperature reading. The second type of temperature sensor is made up of various types of multivibrator circuits using an SOI type 555 timer and the passive components mentioned above. Three configurations have been developed that were based on the technique of charging and discharging a capacitor through a resistive element to create a train of pulses governed by the capacitor-resistor time constant. Both types of sensors, which operated successfully over the wide temperature range, have potential use in extreme temperature environments including jet engines and space exploration missions.

  14. NACP Site: Terrestrial Biosphere Model Output Data in Original Format (United States)

    National Aeronautics and Space Administration — This data set contains the original model output data submissions from the 24 terrestrial biosphere models (TBM) that participated in the North American Carbon...

  15. NACP Site: Terrestrial Biosphere Model Output Data in Original Format (United States)

    National Aeronautics and Space Administration — ABSTRACT: This data set contains the original model output data submissions from the 24 terrestrial biosphere models (TBM) that participated in the North American...

  16. Research Output of Academics in the Science and Engineering ...

    African Journals Online (AJOL)

    Open Access DOWNLOAD FULL TEXT ... of the publication of journal articles and linked research and publication trends with place of publication and ... Data on research output were collected through a questionnaire survey of the academics.

  17. A simple output voltage control scheme for single phase wavelet ...

    African Journals Online (AJOL)

    -phase pulse-width-modulated (PWM) dc-ac inverter. ... function, derived using wavelet theory, can be used to generate the switching signal as well as to model the inverter output which is not possible with other modulation techniques.

  18. Factors related to innovative output in the Dutch agrifood industry

    NARCIS (Netherlands)

    Batterink, M.H.; Wubben, E.F.M.; Omta, S.W.F.


    The present study assessed the factors related to innovative output in the Dutch agrifood industry, a scale-intensive, supplierdominated industry. We concentrated on explanatory variables related to cooperation, information sources, innovation objectives, obstacles to innovation, and innovation

  19. Development of a Selectable Output Ultraviolet Laser System Project (United States)

    National Aeronautics and Space Administration — Here, we propose to develop a breadboard laser system that is capable of producing radiation in two UV wavelengths.  This Selectable Output Ultraviolet Laser...

  20. NACP Regional: Supplemental Gridded Observations, Biosphere and Inverse Model Outputs (United States)

    National Aeronautics and Space Administration — This data set contains standardized gridded observation data, terrestrial biospheric model output, and inverse model simulations that were compiled but not used in...

  1. SiC MOSFETs based split output half bridge inverter

    DEFF Research Database (Denmark)

    Li, Helong; Munk-Nielsen, Stig; Beczkowski, Szymon


    . This paper makes the current commutation mechanism and efficiency analysis of half bridge with split output based on SiC MOSFETs. Current commutation process analysis is illustrated together with LTspice simulation and afterwards, verified by the experimental results of a double pulse test circuit with split......Body diode of SiC MOSFETs has a relatively high forward voltage drop and still experiences reverse recovery phenomenon. Half bridge with split output aims to decouple both the body diode and junction capacitance of SiC MOSFETs, therefore achieving a reduced switching loss in a bridge configuration...... output. The double pulse test shows the devices' current during commutation process and the reduced switching losses of SiC MOSFETs compared to that of the traditional half bridge. The efficiency comparison is presented with experimental results of half bridge power inverter with split output...

  2. Public Investment and Output Performance: Evidence from Nigeria

    Directory of Open Access Journals (Sweden)

    Aregbeyen Omo


    Full Text Available This study examined the direct/indirect long-run relationships and dynamic interactions between public investment (PI and output performance in Nigeria using annual data spanning 1970-2010. A macro-econometric model derived from Keynes’ income-expenditure framework was employed. The model was disaggregated into demand and supply sides to trace the direct and indirect effects of PI on aggregate output. The direct supply side effect was assessed using the magnitude of PI multiplier coefficient, while the indirect effect of PI on the demand side was evaluated with marginal propensity to consume, accelerator coefficient and import multiplier. The results showed relatively less strong direct effect of PI on aggregate output, while the indirect effects were stronger with the import multiplier being the most pronounced. This is attributed to declining capital expenditure, poor implementation and low quality of PI projects due to widespread corruption. By and large, we concluded that PI exerted considerable influence on aggregate output.

  3. Aqueous Extract of Flueggea leucopyrus Increases Urine Output in ...

    African Journals Online (AJOL)

    FLAE) on the urinary output of rats. Method: Three different doses of FLAE (500, 1000 and 1500 mgkg-1), furosemide (13 mg kg-1 as diuretic reference) and distilled water (as control) were orally administered to healthy adult hydrated rats.

  4. Temperature transducer has high output, is time stable (United States)

    Follett, W. H.


    Compact, lightweight temperature transducer requires no amplification of its output signal and is time stable. It uses the temperature-dependent characteristics of a silicon transistor to provide a zero-to-five-volt signal proportional to temperature.

  5. CMAQv502 Base AQS Hourly site compare output (United States)

    U.S. Environmental Protection Agency — Monthly AQS hourly site compare output files for the CMAQv502 Base simulation. Monthly files contain hourly paired model/ob data for the AQS network. These data were...

  6. Cooperative Control for Uncertain Multiagent Systems via Distributed Output Regulation

    Directory of Open Access Journals (Sweden)

    Lu Yu


    Full Text Available The distributed robust output regulation problem for multiagent systems is considered. For heterogeneous uncertain linear systems and a linear exosystem, the controlling aim is to stabilize the closed-loop system and meanwhile let the regulated outputs converge to the origin asymptotically, by the help of local interaction. The communication topology considered is directed acyclic graphs, which means directed graphs without loops. With distributed dynamic state feedback controller and output feedback controller, respectively, the solvability of the problem and the algorithm of controller design are both investigated. The solvability conditions are given in terms of linear matrix inequalities (LMIs. It is shown that, for polytopic uncertainties, the distributed controllers constructed by solving LMIs can satisfy the requirements of output regulation property.

  7. Effects of inflammatory bowel disease on students' adjustment to college. (United States)

    Almadani, S Bashar; Adler, Jeremy; Browning, Jeff; Green, Elan H; Helvie, Karla; Rizk, Rafat S; Zimmermann, Ellen M


    Successful adjustment to college is required for academic success. We investigated whether inflammatory bowel disease (IBD) activity affects this adjustment process. We created an online survey that included a Student Adaptation to College Questionnaire (SACQ), a general quality of life survey (SF-12), a disease-specific short IBD quality of life survey (SIBDQ), and disease activity indices. Undergraduate students across the United States were recruited via social media. Surveys were completed by 65 students with Crohn's disease (CD), 28 with ulcerative colitis, and 214 healthy students (controls). Disease-specific quality of life (SIBDQ results) correlated with IBD disease activity (rho = -0.79; P academic work (P academic challenges (P academically successful (P academics-especially among students with CD. Successful adjustment is important for academic success, affecting graduation rates and future economic success. Strategies to increase disease control and provide social and emotional support during college could improve adjustment to college and academic performance, and increase patients' potential. Copyright © 2014 AGA Institute. Published by Elsevier Inc. All rights reserved.

  8. Productivity growth in outpatient child and adolescent mental health services: the impact of case-mix adjustment. (United States)

    Halsteinli, Vidar; Kittelsen, Sverre A; Magnussen, Jon


    The performance of health service providers may be monitored by measuring productivity. However, the policy value of such measures may depend crucially on the accuracy of input and output measures. In particular, an important question is how to adjust adequately for case-mix in the production of health care. In this study, we assess productivity growth in Norwegian outpatient child and adolescent mental health service units (CAMHS) over a period characterized by governmental utilization of simple productivity indices, a substantial increase in capacity and a concurrent change in case-mix. We analyze the sensitivity of the productivity growth estimates using different specifications of output to adjust for case-mix differences. Case-mix adjustment is achieved by distributing patients into eight groups depending on reason for referral, age and gender, as well as correcting for the number of consultations. We utilize the nonparametric Data Envelopment Analysis (DEA) method to implicitly calculate weights that maximize each unit's efficiency. Malmquist indices of technical productivity growth are estimated and bootstrap procedures are performed to calculate confidence intervals and to test alternative specifications of outputs. The dataset consist of an unbalanced panel of 48-60 CAMHS in the period 1998-2006. The mean productivity growth estimate from a simple unadjusted patient model (one single output) is 35%; adjusting for case-mix (eight outputs) reduces the growth estimate to 15%. Adding consultations increases the estimate to 28%. The latter reflects an increase in number of consultations per patient. We find that the governmental productivity indices strongly tend to overestimate productivity growth. Case-mix adjustment is of major importance and governmental utilization of performance indicators necessitates careful considerations of output specifications. Copyright 2009 Elsevier Ltd. All rights reserved.

  9. Creating (In)Equalities in Access to Higher Education in the Context of Structural Adjustment and Post-Adjustment Policies: The Case of Chile (United States)

    Espinoza, Oscar


    By analyzing the access of different socio-economic groups to post-secondary institutions by quintile, this paper examines the impact produced by higher education financing policies in Chile during the Pinochet (1973-1990), the Aylwin (1990-1994) and the Frei (1994-2000) administrations. To this purpose, CASEN databases and semi-structured…

  10. Technology-intensive industries - Input-output analysis


    Olteanu, Dan


    By the analyses included in this paper I tried to quantify â using the input-output method â the amplitude of upstream and downstream linkages between manufacturing industries, structured by technological groups, for Romania and other six EU member countries, for comparison. Since intermediate products are the main carrier of knowledge diffused by high-tech industries towards other industries, by processing data from input-output tables we can obtain a measure of the inter-industry effects of...

  11. TrustGuard: A Containment Architecture with Verified Output (United States)


    support structures . Finally, the link consumes a geomean 5.0% of the energy of the untrusted processor. 84 Chapter 7 The Simplicity of the Sentry Chapter 2...TRUSTGUARD: A CONTAINMENT ARCHITECTURE WITH VERIFIED OUTPUT SOUMYADEEP GHOSH A DISSERTATION PRESENTED TO THE FACULTY OF PRINCETON UNIVERSITY IN...depends on claims made by each party supplying the system’s components. This dissertation presents the Containment Architecture with Verified Output

  12. Relationship among cardiac output, shunt, and inspired O2 concentration. (United States)

    Wagner, P D; Schaffartzik, W; Prediletto, R; Knight, D R


    In comparing gas exchange responses of the methacholine- (MCh) challenged mongrel dog with leukotriene receptor blockers and placebo at different inspiratory O2 fractions (FIO2), we previously noted systematically different values of cardiac output as a function of drug administration and/or FIO2. This confounds identification of the effects of FIO2 and/or drugs on gas exchange, because shunt is well known to vary directly with cardiac output when other factors are equal. Accordingly, in six dogs we examined the dependence of combined shunt and low ventilation-perfusion (VA/Q) blood flow ("shunt") on cardiac output in the MCh-challenged mongrel dog. Two dogs breathed 100% O2, another two breathed room air, and the final pair breathed 12% O2 while cardiac output was altered several times by sequentially opening and closing arteriovenous fistulas every 10 min for approximately 90 min after a standard MCh challenge. On 100% O2, shunt increased by 11.0% of the cardiac output per 1-l/min increase in cardiac output. On room air, the value was 7.4%. With 12% O2 breathing shunt rose by only 2.2% per 1-l/min rise in blood flow. This FIO2 -dependent behavior of the shunt-cardiac output relationship was highly reproducible, both within and between animals. It suggests that the increase in shunt with cardiac output depends more on vascular tone of noninjured areas than on tone of the low VA/Q regions (which are hypoxic at all FIO2 values).

  13. Output Feedback M-MRAC Backstepping With Aerospace Applications (United States)

    Stepanyan, Vahram; Krishnakumar, Kalmanje Sriniva


    The paper presents a certainty equivalence output feedback backstepping adaptive control design method for the systems of any relative degree with unmatched uncertainties without over-parametrization. It uses a fast prediction model to estimate the unknown parameters, which is independent of the control design. It is shown that the system's input and output tracking errors can be systematically decreased by the proper choice of the design parameters. The approach is applied to aerospace control problems and tested in numerical simulations.

  14. Glacial Isostatic Adjustment in Antarctica (United States)

    Whitehouse, P. L.


    In order to determine the distribution of present-day ice mass change across the Antarctic Ice Sheet it is first necessary to remove the geodetic signal of past ice mass change. This signal arises due to the ongoing process of Glacial Isostatic Adjustment (GIA), which has traditionally been estimated by modelling the response of the Earth system to ice-sheet changes during a glacial cycle. Reconstructions of ice-sheet change are typically based on field observations relating to past ice extent and thickness, although a more recent approach has involved the use of ice-sheet models, and even coupled ice-sheet - GIA models, to reconstruct the ice-sheet history in areas where field constraints are sparse. Both methods have their limitations and in this presentation I will highlight the advantages of each and compare recently-published models to assess our current state of knowledge in the field of Antarctic GIA. I will also briefly discuss the motivation behind active areas of model development, which include the consideration of lateral variations in Earth structure and feedbacks between solid Earth, ice sheet and ocean processes. Finally, I will assess the suitability of the various data sets that are used to constrain or test Antarctic GIA models, and I will explain how combinations of data are being used to isolate the GIA signal independently of traditional modelling assumptions. Despite the clear benefits of this approach for the purposes of quantifying present-day ice mass change, it is still crucial to be able to model how GIA processes will evolve in the future. The motivation for this goal is provided by recent modelling studies, which suggest that GIA processes will be modified by, and are capable of influencing, the future dynamics of the Antarctic Ice Sheet.

  15. Automatic adjustment of astrochronologic correlations (United States)

    Zeeden, Christian; Kaboth, Stefanie; Hilgen, Frederik; Laskar, Jacques


    Here we present an algorithm for the automated adjustment and optimisation of correlations between proxy data and an orbital tuning target (or similar datasets as e.g. ice models) for the R environment (R Development Core Team 2008), building on the 'astrochron' package (Meyers et al.2014). The basis of this approach is an initial tuning on orbital (precession, obliquity, eccentricity) scale. We use filters of orbital frequency ranges related to e.g. precession, obliquity or eccentricity of data and compare these filters to an ensemble of target data, which may consist of e.g. different combinations of obliquity and precession, different phases of precession and obliquity, a mix of orbital and other data (e.g. ice models), or different orbital solutions. This approach allows for the identification of an ideal mix of precession and obliquity to be used as tuning target. In addition, the uncertainty related to different tuning tie points (and also precession- and obliquity contributions of the tuning target) can easily be assessed. Our message is to suggest an initial tuning and then obtain a reproducible tuned time scale, avoiding arbitrary chosen tie points and replacing these by automatically chosen ones, representing filter maxima (or minima). We present and discuss the above outlined approach and apply it to artificial and geological data. Artificial data are assessed to find optimal filter settings; real datasets are used to demonstrate the possibilities of such an approach. References: Meyers, S.R. (2014). Astrochron: An R Package for Astrochronology. R Development Core Team (2008). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. ISBN 3-900051-07-0, URL

  16. Efficient Adjustable Reflectivity Smart Window

    Energy Technology Data Exchange (ETDEWEB)

    D. Morgan Tench


    This project addressed the key technical issues for development of an efficient smart window based on reversible electrochemical transfer of silver between a mirror electrode and a localized counter electrode. Effort to provide uniform switching over large areas focused on use of a resistive transparent electrode innerlayer to increase the interelectrode resistance. An effective edge seal was developed in collaboration with adhesive suppliers and an electrochromic device manufacturer. Work to provide a manufacturable counter electrode focused on fabricating a dot matrix electrode without photolithography by electrodeposition of Pt nuclei on inherent active sites on a transparent oxide conductor. An alternative counter electrode based on a conducting polymer and an ionic liquid electrolyte was also investigated. Work in all of these areas was successful. Sputtered large-bandgap oxide innerlayers sandwiched between conductive indium tin oxide (ITO) layers were shown to provide sufficient cross-layer resistance (>300 ohm/cm{sup 2}) without significantly affecting the electrochemical properties of the ITO overlayer. Two edge seal epoxies, one procured from an epoxy manufacturer and one provided by an electrochromic device manufacturer in finished seals, were shown to be effective barriers against oxygen intrusion up to 80 C. The optimum density of nuclei for the dot matrix counter electrode was attained without use of photolithography by electrodeposition from a commercial alkaline platinum plating bath. Silver loss issues for cells with dot matrix electrodes were successfully addressed by purifying the electrolyte and adjusting the cell cycling parameters. More than 30K cycles were demonstrated for a REM cell (30-cm square) with a dot matrix counter electrode. Larger cells (30-cm square) were successfully fabricated but could not be cycled since the nucleation layers (provided by an outside supplier) were defective so that mirror deposits could not be produced.

  17. Scientific Output of Croatian Universities: Comparison with Neighbouring Countries

    Directory of Open Access Journals (Sweden)

    Boris Podobnik


    Full Text Available We compared the Croatian research output with the neighboring countries and the Croatian universities with the largest Slovenian, Hungarian, and Serbian universities. As far as papers listed by Social Science Citation Index are concerned, since 2000 the University of Zagreb exhibits best results in social sciences compared to the competing universities, that is not the case in “hard” sciences. For the last 12 years, only the University of Ljubljana has shown better results in total research output than the University of Zagreb. The difference in research output between the University of Zagreb and the rest of the Croatian universities has been constantly decreasing. As a case study we compare research output at Faculty of Civil Engeenering on different Croatian universities. By analyzing European countries, we show a functional dependence between the gross domestic product (GDP and the research output. From this fit we conclude that the Croatian science exhibits research output as expected for the given level of GDP.

  18. Validation of the concept risk for decreased cardiac output. (United States)

    dos Santos, Eduarda Ribeiro; de Souza, Mariana Fernandes; de Gutiérrez, Maria Gaby Rivero; Maria, Vera Lucia Regina; de Barros, Alba Lucia Bottura Leite


    to validate the concept "risk for decreased cardiac output". Six of the eight steps suggested in the technique developed by Walker & Avant were adopted to analyze the concept of the phenomenon under study and the proposal made by Hoskins was used for content validation, taking into account agreement achieved among five experts. the concept "decreased cardiac output" was found in the nursing and medical fields and refers to the heart's pumping capacity while the concept "risk" is found in a large number of disciplines. In regard to the defining attributes, "impaired pumping capacity" was the main attribute of decreased cardiac output and "probability" was the main attribute of risk. The uses and defining attributes of the concepts "decreased cardiac output" and "risk" were analyzed as well as their antecedent and consequent events in order to establish the definition of "risk for decreased cardiac output", which was validated by 100% of the experts. The obtained data indicate that the risk for decreased cardiac output phenomenon can be a nursing diagnosis and refining it can contribute to the advancement of nursing classifications in this context.

  19. Creating the Environment for Continuous Competition (United States)


    The Limits of Competition in Defense Acquisition Defense Acquisition University Research Symposium, September 2012 CREATING THE ENVIRONMENT FOR...3. DATES COVERED 00-00-2012 to 00-00-2012 4. TITLE AND SUBTITLE Creating the Environment for Continuous Competition 5a. CONTRACT NUMBER 5b...Information Technology (IT) Box A Primer. Retrieved from http: Creating the Environment for Continuous

  20. Adaptive timing of motor output in the mouse: the role of movement oscillations in eyelid conditioning

    Directory of Open Access Journals (Sweden)

    Selmaan N Chettih


    Full Text Available To survive, animals must learn to control their movements with millisecond-level precision, and adjust the kinematics if conditions, or task requirements, change. Here, we examine adaptive timing of motor output in mice, using a simple eyelid conditioning task. Mice were trained to blink in response to a light stimulus that was always followed by a corneal air-puff at a constant time interval. Different mice were trained with different intervals of time separating the onset of the light and the air-puff. As in previous work in other animal species, mice learned to control the speed of the blink, such that maximum eyelid closure occurred at the interval used during training. Despite this, we found that maximum eyelid speed always occurred in the first 100 ms of the movement, indicating that speed is not uniformly adjusted throughout the duration of the blink. A new analysis, specifically designed to examine the kinematics of blinks in single trials, revealed the nature of the underlying control signal: the learned blinks are made up of oscillatory eyelid movements that are time-locked to the light stimulus at the beginning of the blink, becoming desynchronized later on. Furthermore, mice learn to blink at different speeds and time the movement appropriately by adjusting the amplitude, but not the frequency of the underlying eyelid oscillation.

  1. Modeling and Control of the Redundant Parallel Adjustment Mechanism on a Deployable Antenna Panel

    Directory of Open Access Journals (Sweden)

    Lili Tian


    Full Text Available With the aim of developing multiple input and multiple output (MIMO coupling systems with a redundant parallel adjustment mechanism on the deployable antenna panel, a structural control integrated design methodology is proposed in this paper. Firstly, the modal information from the finite element model of the structure of the antenna panel is extracted, and then the mathematical model is established with the Hamilton principle; Secondly, the discrete Linear Quadratic Regulator (LQR controller is added to the model in order to control the actuators and adjust the shape of the panel. Finally, the engineering practicality of the modeling and control method based on finite element analysis simulation is verified.

  2. Economics of alcohol-involved traffic crashes in the USA: an input-output analysis. (United States)

    Zaloshnja, Eduard; Miller, Ted R; Lawrence, Bruce A


    Preventing traffic crashes reduces crash costs paid by employers and employees. The related savings filter through the economy, impacting its performance. This study is the first to measure the impact of traffic crash reduction on a national economy. It focuses on impaired driving crashes. We analysed the impact of the almost 50% alcohol-involved driving crash rate reduction from 1984-1986 to 2010 and the impact if such crashes in 2010 had not occurred. The analysis entered published estimates of costs that employers, consumers and governments paid because of US impaired-driving crashes as production costs and demand changes in Rutgers University's input-output model of the US economy. For example, reducing medical costs paid by employers lowers the cost of labour inputs to production while reducing vehicle repairs raises demand for other goods. Running the model at current and alternative crash rates revealed the impacts of crash reductions on economic output, gross domestic product (GDP), national income and employment. Alcohol-involved crash reductions since 1984-1986 increased economic output in 2010 by an estimated $20 billion, raised GDP by $10 billion, increased US income by $6.5 billion, and created 215 000 jobs. GDP gains from alcohol-involved crash reduction contributed 5% of the $200 million compounded average annual growth in US GDP from 1985 to 2013. Eliminating remaining alcohol-involved crashes would result in similar economic gains. Alcohol-involved crashes drag down the US economy. On average, each of the 25.5 billion miles Americans drove impaired in 2010 reduced economic output by $0.80. Those losses are preventable. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to

  3. A mixed-unit input-output model for environmental life-cycle assessment and material flow analysis. (United States)

    Hawkins, Troy; Hendrickson, Chris; Higgins, Cortney; Matthews, H Scott; Suh, Sangwon


    Materials flow analysis models have traditionally been used to track the production, use, and consumption of materials. Economic input-output modeling has been used for environmental systems analysis, with a primary benefit being the capability to estimate direct and indirect economic and environmental impacts across the entire supply chain of production in an economy. We combine these two types of models to create a mixed-unit input-output model that is able to bettertrack economic transactions and material flows throughout the economy associated with changes in production. A 13 by 13 economic input-output direct requirements matrix developed by the U.S. Bureau of Economic Analysis is augmented with material flow data derived from those published by the U.S. Geological Survey in the formulation of illustrative mixed-unit input-output models for lead and cadmium. The resulting model provides the capabilities of both material flow and input-output models, with detailed material tracking through entire supply chains in response to any monetary or material demand. Examples of these models are provided along with a discussion of uncertainty and extensions to these models.

  4. Cropping pattern adjustment in China's grain production and its impact on land and water use

    DEFF Research Database (Denmark)

    Li, Tian-xiang; Zhu, Jing; Balezentis, Tomas


    played an important role in promoting China's grain production, with a contribution of over 15 per cent during 2003-2012. Moreover, such changes enabled to save about 6.8 million hectares of sown areas and 31.06 billion m3 of water in grain production (if compared to the case without cropping pattern......This paper aims at decomposing China's grain output changes into three terms, namely area sown effect, pure yield effect, and cropping pattern adjustment effect. Furthermore, the paper analyses the impact of shifts in cropping pattern on water and land use in China's grain production. An index...... adjustments). However, these effects vary across regions: Southeast China experienced land-saving and water-using changes, while other regions underwent land- and water-saving changes. In general, China's grain output growth has increased the total amount of land and water needed, implying more severe...

  5. Local stability condition of the equilibrium of an oligopoly market with bounded rationality adjustment (United States)

    Ibrahim, Adyda; Saaban, Azizan; Zaibidi, Nerda Zura


    This paper considers an n-firm oligopoly market where each firm produces a single homogenous product under a constant unit cost. Nonlinearity is introduced into the model of this oligopoly market by assuming the market has an isoelastic demand function. Furthermore, instead of the usual assumption of perfectly rational firms, they are assumed to be boundedly rational in adjusting their outputs at each period. The equilibrium of this n discrete dimensional system is obtained and its local stability is calculated.

  6. Predictors of low cardiac output in decompensated severe heart failure

    Directory of Open Access Journals (Sweden)

    Marcelo Eidi Ochiai


    Full Text Available OBJECTIVE: To identify predictors of low cardiac output and mortality in decompensated heart failure. INTRODUCTION: Introduction: Patients with decompensated heart failure have a high mortality rate, especially those patients with low cardiac output. However, this clinical presentation is uncommon, and its management is controversial. METHODS: We studied a cohort of 452 patients hospitalized with decompensated heart failure with an ejection fraction of 60 years, and 64.6% were men. Low cardiac output was present in 281 (63% patients on admission. Chagas disease was the cause of heart failure in 92 (20.4% patients who had higher B type natriuretic peptide levels (1,978.38 vs. 1,697.64 pg/mL; P = 0.015. Predictors of low cardiac output were Chagas disease (RR: 3.655, P<0.001, lower ejection fraction (RR: 2.414, P<0.001, hyponatremia (RR: 1.618, P = 0.036, and renal dysfunction (RR: 1.916, P = 0.007. Elderly patients were inversely associated with low cardiac output (RR: 0.436, P = 0.001. Predictors of mortality were Chagas disease (RR: 2.286, P<0.001, ischemic etiology (RR: 1.449, P = 0.035, and low cardiac output (RR: 1.419, P = 0.047. CONCLUSIONS: In severe decompensated heart failure, predictors of low cardiac output are Chagas disease, lower ejection fraction, hyponatremia, and renal dysfunction. Additionally, Chagas disease patients have higher B type natriuretic peptide levels and a worse prognosis independent of lower ejection fraction.

  7. Impact of Altitude on Power Output during Cycling Stage Racing.

    Directory of Open Access Journals (Sweden)

    Laura A Garvican-Lewis

    Full Text Available The purpose of this study was to quantify the effects of moderate-high altitude on power output, cadence, speed and heart rate during a multi-day cycling tour.Power output, heart rate, speed and cadence were collected from elite male road cyclists during maximal efforts of 5, 15, 30, 60, 240 and 600 s. The efforts were completed in a laboratory power-profile assessment, and spontaneously during a cycling race simulation near sea-level and an international cycling race at moderate-high altitude. Matched data from the laboratory power-profile and the highest maximal mean power output (MMP and corresponding speed and heart rate recorded during the cycling race simulation and cycling race at moderate-high altitude were compared using paired t-tests. Additionally, all MMP and corresponding speeds and heart rates were binned per 1000 m (3000 m according to the average altitude of each ride. Mixed linear modelling was used to compare cycling performance data from each altitude bin.Power output was similar between the laboratory power-profile and the race simulation, however MMPs for 5-600 s and 15, 60, 240 and 600 s were lower (p ≤ 0.005 during the race at altitude compared with the laboratory power-profile and race simulation, respectively. Furthermore, peak power output and all MMPs were lower (≥ 11.7%, p ≤ 0.001 while racing >3000 m compared with rides completed near sea-level. However, speed associated with MMP 60 and 240 s was greater (p < 0.001 during racing at moderate-high altitude compared with the race simulation near sea-level.A reduction in oxygen availability as altitude increases leads to attenuation of cycling power output during competition. Decrement in cycling power output at altitude does not seem to affect speed which tended to be greater at higher altitudes.

  8. Impact of Altitude on Power Output during Cycling Stage Racing. (United States)

    Garvican-Lewis, Laura A; Clark, Bradley; Martin, David T; Schumacher, Yorck Olaf; McDonald, Warren; Stephens, Brian; Ma, Fuhai; Thompson, Kevin G; Gore, Christopher J; Menaspà, Paolo


    The purpose of this study was to quantify the effects of moderate-high altitude on power output, cadence, speed and heart rate during a multi-day cycling tour. Power output, heart rate, speed and cadence were collected from elite male road cyclists during maximal efforts of 5, 15, 30, 60, 240 and 600 s. The efforts were completed in a laboratory power-profile assessment, and spontaneously during a cycling race simulation near sea-level and an international cycling race at moderate-high altitude. Matched data from the laboratory power-profile and the highest maximal mean power output (MMP) and corresponding speed and heart rate recorded during the cycling race simulation and cycling race at moderate-high altitude were compared using paired t-tests. Additionally, all MMP and corresponding speeds and heart rates were binned per 1000 m (3000 m) according to the average altitude of each ride. Mixed linear modelling was used to compare cycling performance data from each altitude bin. Power output was similar between the laboratory power-profile and the race simulation, however MMPs for 5-600 s and 15, 60, 240 and 600 s were lower (p ≤ 0.005) during the race at altitude compared with the laboratory power-profile and race simulation, respectively. Furthermore, peak power output and all MMPs were lower (≥ 11.7%, p ≤ 0.001) while racing >3000 m compared with rides completed near sea-level. However, speed associated with MMP 60 and 240 s was greater (p cycling power output during competition. Decrement in cycling power output at altitude does not seem to affect speed which tended to be greater at higher altitudes.

  9. Process to create simulated lunar agglutinate particles (United States)

    Gustafson, Robert J. (Inventor); Gustafson, Marty A. (Inventor); White, Brant C. (Inventor)


    A method of creating simulated agglutinate particles by applying a heat source sufficient to partially melt a raw material is provided. The raw material is preferably any lunar soil simulant, crushed mineral, mixture of crushed minerals, or similar material, and the heat source creates localized heating of the raw material.

  10. ICT and Pragmatism: Creating sustainable Employment for ...

    African Journals Online (AJOL)

    Thus, unless there is effort to create self employment, this can galvanize unexpected revolution whose consequences will be very grave. The reading public will have to apply the advice provided in this article to create self employment. Key Words: e-commerce, online transaction, broadband stimulus, unemployment.

  11. Creating Safe Spaces for Music Learning (United States)

    Hendricks, Karin S.; Smith, Tawnya D.; Stanuch, Jennifer


    This article offers a practical model for fostering emotionally safe learning environments that instill in music students a positive sense of self-belief, freedom, and purpose. The authors examine the implications for music educators of creating effective learning environments and present recommendations for creating a safe space for learning,…

  12. Marital conflict, divorce, and children's adjustment. (United States)

    Kelly, J B


    This article summarizes current research on children's adjustment after separation and divorce, and then focuses on the contributions of marital conflict, marital violence, and hostile family environments to children's adjustment during marriage and after divorce. Children living in marriages with frequent and intense conflict are significantly more likely to have substantial adjustment problems before parental divorce and compromised parent-child relationships. These findings suggest that the deleterious effects of divorce per se have been overstated, with insufficient attention paid in the clinical and research literature to the damaging effects of highly troubled marriages on children's adjustment.

  13. Capacitance-Based Frequency Adjustment of Micro Piezoelectric Vibration Generator

    Directory of Open Access Journals (Sweden)

    Xinhua Mao


    Full Text Available Micro piezoelectric vibration generator has a wide application in the field of microelectronics. Its natural frequency is unchanged after being manufactured. However, resonance cannot occur when the natural frequencies of a piezoelectric generator and the source of vibration frequency are not consistent. Output voltage of the piezoelectric generator will sharply decline. It cannot normally supply power for electronic devices. In order to make the natural frequency of the generator approach the frequency of vibration source, the capacitance FM technology is adopted in this paper. Different capacitance FM schemes are designed by different locations of the adjustment layer. The corresponding capacitance FM models have been established. Characteristic and effect of the capacitance FM have been simulated by the FM model. Experimental results show that the natural frequency of the generator could vary from 46.5 Hz to 42.4 Hz when the bypass capacitance value increases from 0 nF to 30 nF. The natural frequency of a piezoelectric vibration generator could be continuously adjusted by this method.

  14. Output Current Ripple Reduction Algorithms for Home Energy Storage Systems

    Directory of Open Access Journals (Sweden)

    Jin-Hyuk Park


    Full Text Available This paper proposes an output current ripple reduction algorithm using a proportional-integral (PI controller for an energy storage system (ESS. In single-phase systems, the DC/AC inverter has a second-order harmonic at twice the grid frequency of a DC-link voltage caused by pulsation of the DC-link voltage. The output current of a DC/DC converter has a ripple component because of the ripple of the DC-link voltage. The second-order harmonic adversely affects the battery lifetime. The proposed algorithm has an advantage of reducing the second-order harmonic of the output current in the variable frequency system. The proposed algorithm is verified from the PSIM simulation and experiment with the 3 kW ESS model.

  15. A Single Switch Dual Output Non-Isolated Boost Converter

    DEFF Research Database (Denmark)

    Klimczak, Pawel; Munk-Nielsen, Stig


    very simple dual output non-isolated boost converter is presented. Single active switch is used to control both, positive and negative output voltages. The converter is desired to boost unregulated low input voltage 25-50 Vdc to regulated high voltage ±400 Vdc in dual dc-link. In this paper proposed......There are many applications for high gain dc-dc converters. In several of these applications galvanic isolation is not required, but there are some safety issues regarding missing isolation and leakage current. Usage of a half-bridge inverter and a dual dc-link may solve this issues. In this paper...... topology is analyzed and explained. Obtained experimental results prove good performance of the converter over wide range of input voltage and output power....

  16. Pulse contour-derived cardiac output in hemodialysis patients

    DEFF Research Database (Denmark)

    Cordtz, Joakim; Ladefoged, Soeren D


    Reliable methods for cardiac output determination are essential for studying the pathophysiology of intradialytic hypotension. Use of the current gold standard, the Transonic monitor, requires an arteriovenous fistula. We wished to verify the accuracy of a method based on finger pulse contour...... analysis, namely the Finometer monitor (FNM) for further use on patients dialyzing on a central vascular catheter. Fifty simultaneous cardiac output measurements were obtained during hemodialysis sessions in 25 patients. The internal variability of the FNM measurements was assessed by comparing 24 pairs...... of immediately successive measurements. The variability of successive FNM measurements was small (bias 0.28%, SD +/- 6.1%; NS). The absolute cardiac output values reported by the FNM were unreliable (bias 20.1%, SD +/- 35.3%; P...

  17. Protozoan grazing reduces the current output of microbial fuel cells. (United States)

    Holmes, Dawn E; Nevin, Kelly P; Snoeyenbos-West, Oona L; Woodard, Trevor L; Strickland, Justin N; Lovley, Derek R


    Several experiments were conducted to determine whether protozoan grazing can reduce current output from sediment microbial fuel cells. When marine sediments were amended with eukaryotic inhibitors, the power output from the fuel cells increased 2-5-fold. Quantitative PCR showed that Geobacteraceae sequences were 120 times more abundant on anodes from treated fuel cells compared to untreated fuel cells, and that Spirotrichea sequences in untreated fuel cells were 200 times more abundant on anode surfaces than in the surrounding sediments. Defined studies with current-producing biofilms of Geobacter sulfurreducens and pure cultures of protozoa demonstrated that protozoa that were effective in consuming G. sulfurreducens reduced current production up to 91% when added to G. sulfurreducens fuel cells. These results suggest that anode biofilms are an attractive food source for protozoa and that protozoan grazing can be an important factor limiting the current output of sediment microbial fuel cells. Copyright © 2015 The Authors. Published by Elsevier Ltd.. All rights reserved.

  18. Effect of Aspect Ratio on the Light Output of Scintillators

    CERN Document Server

    Pauwels, Kristof; Gundacker, S.; Knapitsch, A.; Lecoq, P.


    The influence of the geometry of the scintillators is presented in this paper. We focus on the effect of narrowing down the section of crystals that have a given length. The light output of a set of crystals with very similar scintillating properties but different geometries measured with several coupling/wrapping configurations is provided. We observe that crystals shaped in thin rods have a lower light output as compared to bulk or sliced crystals. The effect of unpolishing the crystal faces is also investigated, and it is shown that highest light outputs are not necessarily obtained with crystals having all faces polished. Simulation results based on a realistic model of the crystal that implements light scattering on the crystal edges are in agreement with the experimental data. Fine-tuning of this model would allow us to further explore the details of light propagation in scintillators and would be highly valuable to fast timing detection and highly granular detectors.


    Directory of Open Access Journals (Sweden)

    Adang Agustian


    Full Text Available This study aims to determine the effect of changes in output and input prices, corn research expenditures and road infrastructure on output supply and input demand for corn in the Province of East Java and West Java. The data that are analyzed are those of structure of costs of corn farming in the Province of East Java and West Java in 1985-2009. Estimation model employed is the method of Seemingly Unrelated Regression. The results showed that the output supply of corn both in the province of East Java and West Java are elastic to its price changes, however it is inelastic to the price changes of: seed, urea, TSP and labor. Input demand of seed, urea, TSP and labor area inelastic to their price changes. Policy implications of this research is efforts to increase the supply of corn can be carried out by increasing its price, expenditures of corn research, and road infrastructure.

  20. Orchestrating the management of patients with high-output stomas. (United States)

    McDonald, Alison

    Working in isolation, managing high-output stomas can be stressful and difficult, with patient outcomes varying significantly. For the stoma care clinical nurse specialist, managing the choice of stoma appliance is only a small part of the care provided. To standardise and improve outcomes for patients with high-output stomas, team working is required. After contacting other stoma care services and using guidance from the High Impact Actions for Stoma Care document ( Coloplast, 2010 ), it was evident that the team should put together an algorithm/flow chart to guide both specialists and ward nursing staff in the evidence-based and standardised management of patients with high-output stomas. This article presents the flowchart that was produced and uses case studies to demonstrate improvements.

  1. GaN Nanowire Arrays for High-Output Nanogenerators

    KAUST Repository

    Huang, Chi-Te


    Three-fold symmetrically distributed GaN nanowire (NW) arrays have been epitaxially grown on GaN/sapphire substrates. The GaN NW possesses a triangular cross section enclosed by (0001), (2112), and (2112) planes, and the angle between the GaN NW and the substrate surface is ∼62°. The GaN NW arrays produce negative output voltage pulses when scanned by a conductive atomic force microscope in contact mode. The average of piezoelectric output voltage was about -20 mV, while 5-10% of the NWs had piezoelectric output voltages exceeding -(0.15-0.35) V. The GaN NW arrays are highly stable and highly tolerate to moisture in the atmosphere. The GaN NW arrays demonstrate an outstanding potential to be utilized for piezoelectric energy generation with a performance probably better than that of ZnO NWs. © 2010 American Chemical Society.

  2. Factors affecting fledgling output of great tits, Parus major, in the long term

    Energy Technology Data Exchange (ETDEWEB)

    Rodriguez, S.; Alvarez, E.; Barba, E.


    Fledgling production has often been used as an estimator of avian reproductive success, and it is conditioned by factors affecting offspring development and/or survival during the nesting period. We aimed to determine which predictors influenced fledgling output among a set of basic breeding parameters and local temperature data collected over 25 years in a Mediterranean great tit, Parus major, population, using an information–theoretic approach for model selection. Of the studied variables, the number of hatchlings per nest was the single–most important predictor influencing fledgling production, with larger broods eventually yielding more fledglings, although mass prior to fledging may have been compromised. This result suggests an overall good adjustment between brood size and resource availability in the studied population. (Author)

  3. Does the pituitary somatotrope play a primary role in regulating GH output in metabolic extremes? (United States)

    Luque, Raul M; Gahete, Manuel D; Cordoba-Chacon, Jose; Childs, Gwen V; Kineman, Rhonda D


    Circulating growth hormone (GH) levels rise in response to nutrient deprivation and fall in states of nutrient excess. Because GH regulates carbohydrate, lipid, and protein metabolism, defining the mechanisms by which changes in metabolism alter GH secretion will aid in our understanding of the cause, progression, and treatment of metabolic diseases. This review will summarize what is currently known regarding the impact of systemic metabolic signals on GH-axis function. In addition, ongoing studies using the Cre/loxP system to generate mouse models with selective somatotrope resistance to metabolic signals will be discussed, where these models will serve to enhance our understanding of the specific role the somatotrope plays in sensing the metabolic environment and adjusting GH output in metabolic extremes. © 2011 New York Academy of Sciences.

  4. Output feedback sliding mode control for a linear multi-compartment lung mechanics system (United States)

    Hou, Saing Paul; Meskin, Nader; Haddad, Wassim M.


    In this paper, we develop a sliding mode control architecture to control lung volume and minute ventilation in the presence of modelling system uncertainties. Since the applied input pressure to the lungs is, in general, nonnegative and cannot be arbitrarily large, as not to damage the lungs, a sliding mode control with bounded nonnegative control inputs is proposed. The controller only uses output information (i.e., the total volume of the lungs) and automatically adjusts the applied input pressure so that the system is able to track a given reference signal in the presence of parameter uncertainty (i.e., modelling uncertainty of the lung resistances and lung compliances) and system disturbances. Controllers for both matched and unmatched uncertainties are presented. Specifically, a Lyapunov-based approach is presented for the stability analysis of the system and the proposed control framework is applied to a two-compartment lung model to show the efficacy of the proposed control method.

  5. Creating mobile apps with Appcelerator Titanium

    CERN Document Server

    Brousseau, Christian


    Creating Mobile Apps with Appcelerator Titanium provides a hands-on approach and working examples on creating apps and games as well as embedding them onto a social networking website. Developers can then move on from there to develop their own applications based on the ones they have developed throughout the course of this book.""Creating Mobile Apps with Appcelerator Titanium"" is for developers who have experience with modern languages and development environments. Also, if you are familiar with the concepts of Object-oriented Programming (OOP), reusable components, AJAX closures, and so on

  6. Creating Web Sites The Missing Manual

    CERN Document Server

    MacDonald, Matthew


    Think you have to be a technical wizard to build a great web site? Think again. For anyone who wants to create an engaging web site--for either personal or business purposes--Creating Web Sites: The Missing Manual demystifies the process and provides tools, techniques, and expert guidance for developing a professional and reliable web presence. Like every Missing Manual, you can count on Creating Web Sites: The Missing Manual to be entertaining and insightful and complete with all the vital information, clear-headed advice, and detailed instructions you need to master the task at hand. Autho

  7. Trends of public health research output from India during 2001-2008

    Directory of Open Access Journals (Sweden)

    Dandona Lalit


    Full Text Available Abstract Background An understanding of how public health research output from India is changing in relation to the disease burden and public health priorities is required in order to inform relevant research development. We therefore studied the trends in the public health research output from India during 2001-2008 that was readily available in the public domain. Methods The scope and type of the published research from India in 2007 that was included in the PubMed database was assessed and compared with a previous similar assessment for 2002. Papers were classified based on the review of abstracts and original public health research papers were assessed in detail. Impact factors for the journals were used to compute quality-adjusted research output. The websites of governmental organizations, academic and research institutions and international organizations were searched in order to identify and review reports on original public health research produced in India from 2001 to 2008. The reports were classified based on the topics covered and quality and their trends over time were assessed. Results The number of original health research papers from India in PubMed doubled from 4494 in 2002 to 9066 in 2007. This included a 3.1-fold increase in public health research papers, but these comprised only 5% of the total papers in 2007. Within public health, the increase was lowest for the health system and policy category. Several major causes of disease burden in India continued to be underrepresented in the quality-adjusted public health research output in 2007. The number of papers evaluating population health interventions increased from 2002 to 2007, but there were none on the leading non-communicable causes of disease burden or on road traffic injuries. The number of identified original public health research reports increased by 64.7% from 204 in 2001-2004 to 336 in 2005-2008. The proportion of reports on reproductive and child health was very

  8. Buck supplies output voltage ripple reduction using fuzzy control

    Directory of Open Access Journals (Sweden)

    Nicu BIZON


    Full Text Available Using the PWM control for switching power supplies the peaks EMI noise appear at the switching frequency and its harmonics. Using randomize or chaotic PWM control techniques in these systems the power spectrum is spread out in all frequencies band spectral emissions, but with a bigger ripple in the output voltage. The proposed nonlinear feedback control method, which induces chaos, is based by fuzzy rules that minimize the output voltage ripple. The feasibility and effectiveness of this relative simple method is shown by simulation. A comparison with the previous control method is included, too.

  9. A Matrix PRNG with S-Box Output Filtering

    Directory of Open Access Journals (Sweden)

    Rafael Alvarez


    Full Text Available We describe a modification to a previously published pseudorandom number generator improving security while maintaining high performance. The proposed generator is based on the powers of a word-packed block upper triangular matrix and it is designed to be fast and easy to implement in software since it mainly involves bitwise operations between machine registers and, in our tests, it presents excellent security and statistical characteristics. The modifications include a new, key-derived s-box based nonlinear output filter and improved seeding and extraction mechanisms. This output filter can also be applied to other generators.

  10. Cryptanalysis of optical security systems with significant output images. (United States)

    Situ, Guohai; Gopinathan, Unnikrishnan; Monaghan, David S; Sheridan, John T


    The security of the encryption and verification techniques with significant output images is examined by a known-plaintext attack. We introduce an iterative phase-retrieval algorithm based on multiple intensity measurements to heuristically estimate the phase key in the Fourier domain by several plaintext-cyphertext pairs. We obtain correlation output images with very low error by correlating the estimated key with corresponding random phase masks. Our studies show that the convergence behavior of this algorithm sensitively depends on the starting point. We also demonstrate that this algorithm can be used to attack the double random phase encoding technique.

  11. Replacing a battery by a nanogenerator with 20 V output

    Energy Technology Data Exchange (ETDEWEB)

    Hu, Youfan; Lin, Long; Zhang, Yan; Wang, Zhong Lin [School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia (United States)


    Replacing batteries by nanogenerators (NGs) in small consumer electronics is one of the goals in the emerging field of self-powered nanotechnology. We show that the maximum measured output voltage of an NG optimized with pretreatments on the as-grown ZnO nanowire films reaches 20 V and the output current exceeds 6 {mu}A, which corresponds to a power density of 0.2 W cm{sup -3}. The NG is also demonstrated to replace a battery for driving a electronic watch. (Copyright copyright 2012 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim)

  12. Religiousity, Spirituality and Adolescents' Self-Adjustment (United States)

    Japar, Muhammad; Purwati


    Religiuosity, spirituality, and adolescents' self-adjustment. The objective of this study is to test the correlation among religiosity, spirituality and adolescents' self-adjustment. A quantitative approach was employed in this study. Data were collected from 476 junior high schools students of 13 State Junior High Schools and one Junior High…

  13. Academic Adjustment Amongst First Year Undergraduate Students ...

    African Journals Online (AJOL)

    A successful academic adjustment of first year students to the university will enable them complete their studies. The work examines the academic adjustment amongst first year students in Anambra State University, Uli (ANSU). Two research questions and two null hypotheses guided to study. Stratified random sampling ...

  14. Consistent Occupational Preferences and Academic Adjustment (United States)

    Walsh, W. Bruce; And Others


    A study explored the differences in academic adjustment variables between students who made congruent, incongruent, and undecided college major choices as measured by the Vocational Preference Inventory. Findings suggest that students in the congruent female and male groups tend to be more academically adjusted than those in the undecided male…

  15. Kuk's Model Adjusted for Protection and Efficiency (United States)

    Su, Shu-Ching; Sedory, Stephen A.; Singh, Sarjinder


    In this article, we adjust the Kuk randomized response model for collecting information on a sensitive characteristic for increased protection and efficiency by making use of forced "yes" and forced "no" responses. We first describe Kuk's model and then the proposed adjustment to Kuk's model. Next, by means of a simulation…

  16. Parenting Styles and Adjustment in Gifted Children (United States)

    Pilarinos, Vassiliki; Solomon, C. R.


    The present study examined the relationship between parenting styles and the psychosocial adjustment of 48 children aged 7 to 11 years, each of whom had been identified as gifted on the basis of a score of 130 or above on the Wechsler Intelligence Scale for Children--Fourth Edition. Parenting styles and child psychosocial adjustment were measured…

  17. Ergonomically Adjustable School Furniture for Male Students (United States)

    Al-Saleh, Khalid S.; Ramadan, Mohamed Z.; Al-Ashaikh, Riyad A.


    The need for adjustability in school furniture, in order to accommodate the variation in anthropometric measures of different genders, cultures and ages is becoming increasingly important. Four chair-table combinations, different in dimensions, with adjustable chair seating heights and table heights were designed, manufactured and distributed to…

  18. Adjustment of the Internal Tax Scale

    CERN Multimedia


    In application of Article R V 2.03 of the Staff Regulations, the internal tax scale has been adjusted with effect on 1 January 2012. The new scale may be consulted via the CERN Admin e-guide.  The notification of internal annual tax certificate for the financial year 2012 takes into account this adjustment. HR Department (Tel. 73907)

  19. Family Adjustment Measure: Scale Construction and Validation (United States)

    Daire, Andrew P.; Dominguez, Vanessa N.; Carlson, Ryan G.; Case-Pease, Jenene


    We administered the Family Adjustment Measure to 368 parents of children with special needs to identify positive adjustment. We randomly split the sample to conduct exploratory factor analysis ("n" = 194) and confirmatory factor analysis ("n" = 174). Results indicated four possible subscales and that explain 51% of the variance.

  20. Adjustment Following Disability: Representative Case Studies. (United States)

    Heinemann, Allen W.; Shontz, Franklin C.


    Examined adjustment following physical disability using the representative case method with two persons with quadriplegia. Results highlighted the importance of previously established coping styles as well as the role of the environment in adjustment. Willingness to mourn aided in later growth. (JAC)

  1. Adjustment, Pollyannaism, and Attraction to Close Relationships (United States)

    Scott, William A.; Peterson, Christopher


    The following two main hypotheses were tested: a) personal adjustment is associated with liking for close, personal relationships; and b) apparent adjustment is a manifestation of a test-taking style of favorable self-presentation. Data obtained from college students in three cultures tended to support the first interpretation best and the second…

  2. A Digital Game for International Students' Adjustment (United States)

    Bisadi, Maryam; Chua, Alton Y. K; Keong, Lee Chu


    Although digital games have been developed for various subject areas, little attention has been focused on using digital games to address international students' adjustment issues. For this reason, this paper endeavors to explore the use of a digital game in facilitating international students acquire adjustment-related information. Specifically,…

  3. 75 FR 4098 - Utility Allowance Adjustments (United States)


    ... URBAN DEVELOPMENT Utility Allowance Adjustments AGENCY: Office of the Chief Information Officer, HUD... are required to advise the Secretary of the need for and request of a new utility allowance for... lists the following information: Title of Proposal: Utility Allowance Adjustments. OMB Approval Number...

  4. 10 CFR 905.34 - Adjustment provisions. (United States)


    ... continue to take place based on existing contract/marketing criteria principles. ... 10 Energy 4 2010-01-01 2010-01-01 false Adjustment provisions. 905.34 Section 905.34 Energy DEPARTMENT OF ENERGY ENERGY PLANNING AND MANAGEMENT PROGRAM Power Marketing Initiative § 905.34 Adjustment...

  5. Evaluation of an adjustable epidemiologic information system.

    Directory of Open Access Journals (Sweden)

    Jiunn-Shyan Julian Wu

    Full Text Available BACKGROUND: In order to facilitate public health response and to achieve early control of infectious disease epidemics, an adjustable epidemiologic information system (AEIS was established in the Taiwan public health network in February 2006. METHODOLOGY/PRINCIPAL FINDINGS: The performance of AEIS for the period 2006 through 2008 was evaluated based on a number of response times (RT and the public health impact. After implementation of the system, the apparent overall shortened RT was mainly due to the shortening of personnel response time (PRT and the time needed to draft a new questionnaire that incurred as personnel-system interface (PSI; PRT dropped from a fluctuating range of 9.8 ∼28.8 days in the first four months to <10 days in the following months and remained low till 2008 (0.88±1.52 days. The PSIs for newly emerged infectious diseases were 2.6 and 3.4 person-hours for H5N1 in 2007 and chikungunya in 2008, respectively, a much improvement from 1142.5 person-hours for SARS in 2003. The duration of each rubella epidemic cluster was evaluated as public health impact and showed a shortening trend (p = 0.019 that concurred with the shortening of PRT from 64.8±47.3 to 25.2±38.2 hours per cluster (p<0.0001. CONCLUSIONS/SIGNIFICANCE: The first evaluation of the novel instrument AEIS that had been used to assist Taiwan's multi-level government for infectious diseases control demonstrated that it was well integrated into the existing public health infrastructure. It provided flexible tools and computer algorithms with friendly interface for timely data collection, integration, and analysis; as a result, it shortened RTs, filled in gaps of personnel lacking sufficient experiences, created a more efficient flow of response, and identified asymptomatic/mild cases early to minimize further spreading. With further development, AEIS is anticipated to be useful in the application of other acute public health events needing immediate

  6. Validation of automated monitoring of cardiac output for biventricular pacing optimization. (United States)

    George, Erin M; Cabreriza, Santos E; Quinn, T Alexander; Rusanov, Alexander; Gerrah, Rabin; Broyles, Justin M; Weinberg, Alan D; Spotnitz, Henry M


    Biventricular pacing (BiVP) can increase cardiac output (CO) during acute failure of the left ventricle (LV) after cardiac surgery. This CO benefit is maximized by adjustment of atrioventricular (AVD) and interventricular (VVD) pacing delays. Real-time CO calculation could facilitate this optimization. Accordingly, we compared real-time automated analysis (AA) of CO with manual analysis (MA) in an animal model of pressure overload of the right ventricle (RV). In six anesthetized pigs, pacing leads were placed on the right atrium, RV, and LV. Complete heart block was induced with ethanol injection, and RV systolic pressure was doubled with a pulmonary artery snare. Atrioventricular pacing delay was varied over seven common values and VVD over nine, in random sequence. Two LV pacing sites (LVPS) were also tested. Aortic flow velocity, measured by ultrasonic flow probe, was integrated by AA and MA to calculate CO. Interexaminer Reliability Coefficient (IRC) was determined by Analysis of Variance (ANOVA) for two 10-second runs in each animal. Cardiac output-AVD and CO-VVD relations were similar for AA and MA. Interexaminer Reliability Coefficients were 0.997 and 0.994 for MA vs. AA. Automated analysis was available in real-time. Manual analysis was delayed at 2 hours or more. Automated analysis merits development for real-time optimization of intraoperative BiVP.

  7. Smoothing of wind farm output power using prediction based flywheel energy storage system (United States)

    Islam, Farzana

    Being socially beneficial, economically competitive and environment friendly, wind energy is now considered to be the world's fastest growing renewable energy source. However, the stochastic nature of wind imposes a considerable challenge in the optimal management and operation of wind power system. Wind speed prediction is critical for wind energy conversion system since it greatly influences the issues related to effective energy management, dynamic control of wind turbine, and improvement of the overall efficiency of the power generation system. This thesis focuses on integration of energy storage system with wind farm, considering wind speed prediction in the control scheme to overcome the problems associated with wind power fluctuations. In this thesis, flywheel energy storage system (FESS) with adjustable speed rotary machine has been considered for smoothing of output power in a wind farm composed of a fixed speed wind turbine generator (FSWTG). Since FESS has both active and reactive power compensation ability, it enhances the stability of the system effectively. An efficient energy management system combined with supervisory control unit (SCU) for FESS and wind speed prediction has been developed to improve the smoothing of the wind farm output effectively. Wind speed prediction model is developed by artificial neural network (ANN) which has advantages over the conventional prediction scheme including data error tolerance and ease in adaptability. The model for prediction with ANN is developed in MATLAB/Simulink and interfaced with PSCAD/EMTDC. Effectiveness of the proposed control system is illustrated using real wind speed data in various operating conditions.

  8. Maximum Energy Output of a DFIG Wind Turbine Using an Improved MPPT-Curve Method

    Directory of Open Access Journals (Sweden)

    Dinh-Chung Phan


    Full Text Available A new method is proposed for obtaining the maximum power output of a doubly-fed induction generator (DFIG wind turbine to control the rotor- and grid-side converters. The efficiency of maximum power point tracking that is obtained by the proposed method is theoretically guaranteed under assumptions that represent physical conditions. Several control parameters may be adjusted to ensure the quality of control performance. In particular, a DFIG state-space model and a control technique based on the Lyapunov function are adopted to derive the control method. The effectiveness of the proposed method is verified via numerical simulations of a 1.5-MW DFIG wind turbine using MATLAB/Simulink. The simulation results show that when the proposed method is used, the wind turbine is capable of properly tracking the optimal operation point; furthermore, the generator’s available energy output is higher when the proposed method is used than it is when the conventional method is used instead.

  9. Conditioning model output statistics of regional climate model precipitation on circulation patterns

    Directory of Open Access Journals (Sweden)

    F. Wetterhall


    Full Text Available Dynamical downscaling of Global Climate Models (GCMs through regional climate models (RCMs potentially improves the usability of the output for hydrological impact studies. However, a further downscaling or interpolation of precipitation from RCMs is often needed to match the precipitation characteristics at the local scale. This study analysed three Model Output Statistics (MOS techniques to adjust RCM precipitation; (1 a simple direct method (DM, (2 quantile-quantile mapping (QM and (3 a distribution-based scaling (DBS approach. The modelled precipitation was daily means from 16 RCMs driven by ERA40 reanalysis data over the 1961–2000 provided by the ENSEMBLES (ENSEMBLE-based Predictions of Climate Changes and their Impacts project over a small catchment located in the Midlands, UK. All methods were conditioned on the entire time series, separate months and using an objective classification of Lamb's weather types. The performance of the MOS techniques were assessed regarding temporal and spatial characteristics of the precipitation fields, as well as modelled runoff using the HBV rainfall-runoff model. The results indicate that the DBS conditioned on classification patterns performed better than the other methods, however an ensemble approach in terms of both climate models and downscaling methods is recommended to account for uncertainties in the MOS methods.

  10. Creating Healthy Environments For Youth Athletes (United States)

    EPA has created a presentation and companion checklist to help coaches and athletic administrators better understand the environmental health risks associated with youth sports and the steps they can follow to protect young athletes.

  11. More Sci- than Fi, Physicists Create Antimatter

    CERN Document Server

    Overbye, Dennis


    Physicists working in Europe announced yesterday that they had passed through nature's looking glass and had created atoms made of antimatter, or antiatoms, opening up the possibility of experiments in a realm once reserved for science fiction writers (5 pages)

  12. How to Create a Personal Health Record (United States)

    ... currently available to help you create your own personal health record ( PHR ). PHR s are an inevitable and critical step in the evolution of health information management ( HIM ). The book, “The ...

  13. Taking medicine at home - create a routine (United States)

    ... page: // Taking medicine at home - create a routine To use the ... teeth. Find Ways to Help You Remember Your Medicines You can: Set the alarm on your clock, ...

  14. How to Create a Reference from XML (United States)

    US Fish and Wildlife Service, Department of the Interior — This module walks through the process of manually creating a ‘Geospatial Data’ record from an eXtensible Markup Language (XML) metadata file. It assumes that you...

  15. Creating competence: perspectives and practices in organizations

    NARCIS (Netherlands)

    Mulder, Martin


    Creating competence has become a major issue in organizations. Various authors contend that competency management has the potential of integrating organizational strategy, human-resource instruments, and human-resource development; that competency development can lead to performance improvement; and

  16. Empirical likelihood for cumulative hazard ratio estimation with covariate adjustment. (United States)

    Dong, Bin; Matthews, David E


    In medical studies, it is often of scientific interest to evaluate the treatment effect via the ratio of cumulative hazards, especially when those hazards may be nonproportional. To deal with nonproportionality in the Cox regression model, investigators usually assume that the treatment effect has some functional form. However, to do so may create a model misspecification problem because it is generally difficult to justify the specific parametric form chosen for the treatment effect. In this article, we employ empirical likelihood (EL) to develop a nonparametric estimator of the cumulative hazard ratio with covariate adjustment under two nonproportional hazard models, one that is stratified, as well as a less restrictive framework involving group-specific treatment adjustment. The asymptotic properties of the EL ratio statistic are derived in each situation and the finite-sample properties of EL-based estimators are assessed via simulation studies. Simultaneous confidence bands for all values of the adjusted cumulative hazard ratio in a fixed interval of interest are also developed. The proposed methods are illustrated using two different datasets concerning the survival experience of patients with non-Hodgkin's lymphoma or ovarian cancer. © 2011, The International Biometric Society.

  17. Exploring Mexican American adolescent romantic relationship profiles and adjustment. (United States)

    Moosmann, Danyel A V; Roosa, Mark W


    Although Mexican Americans are the largest ethnic minority group in the nation, knowledge is limited regarding this population's adolescent romantic relationships. This study explored whether 12th grade Mexican Americans' (N = 218; 54% female) romantic relationship characteristics, cultural values, and gender created unique latent classes and if so, whether they were linked to adjustment. Latent class analyses suggested three profiles including, relatively speaking, higher, satisfactory, and lower quality romantic relationships. Regression analyses indicated these profiles had distinct associations with adjustment. Specifically, adolescents with higher and satisfactory quality romantic relationships reported greater future family expectations, higher self-esteem, and fewer externalizing symptoms than those with lower quality romantic relationships. Similarly, adolescents with higher quality romantic relationships reported greater academic self-efficacy and fewer sexual partners than those with lower quality romantic relationships. Overall, results suggested higher quality romantic relationships were most optimal for adjustment. Future research directions and implications are discussed. Copyright © 2015 The Foundation for Professionals in Services for Adolescents. Published by Elsevier Ltd. All rights reserved.

  18. Creating Math Videos: Comparing Platforms and Software (United States)

    Abbasian, Reza O.; Sieben, John T.


    In this paper we present a short tutorial on creating mini-videos using two platforms--PCs and tablets such as iPads--and software packages that work with these devices. Specifically, we describe the step-by-step process of creating and editing videos using a Wacom Intuos pen-tablet plus Camtasia software on a PC platform and using the software…

  19. Co-creating meaning through Artful Inquiry

    DEFF Research Database (Denmark)

    Darsø, Lotte


    contribution of this chapter is the introduction of a model for Artful Inquiry, which involves constructing powerful questions and finding appropriate artistic methods for reflecting and for co-creating with people or with artistic material. It is argued that Artful Inquiry can access deeper layers of knowing...... of leadership icons as well as co-creating with tangible materials can give rise to new meaning and transformational learning....

  20. ISO 55000: Creating an asset management system. (United States)

    Bradley, Chris; Main, Kevin


    In the October 2014 issue of HEJ, Keith Hamer, group vice-president, Asset Management & Engineering at Sodexo, and marketing director at Asset Wisdom, Kevin Main, argued that the new ISO 55000 standards present facilities managers with an opportunity to create 'a joined-up, whole lifecycle approach' to managing and delivering value from assets. In this article, Kevin Main and Chris Bradley, who runs various asset management projects, examine the process of creating an asset management system.

  1. Simulation of two-dimensional adjustable liquid gradient refractive index (L-GRIN) microlens (United States)

    Le, Zichun; Wu, Xiang; Sun, Yunli; Du, Ying


    In this paper, a two-dimensional liquid gradient refractive index (L-GRIN) microlens is designed which can be used in adjusting focusing direction and focal spot of light beam. Finite element method (FEM) is used to simulate the convection diffusion process happening in core inlet flow and cladding inlet flow. And the ray tracing method shows us the light beam focusing effect including the extrapolation of focal length and output beam spot size. When the flow rates of the core and cladding fluids are held the same between the internal and external, left and right, and upper and lower inlets, the focal length varied from 313 μm to 53.3 μm while the flow rate of liquids ranges from 500 pL/s to 10,000 pL/s. While the core flow rate is bigger than the cladding inlet flow rate, the light beam will focus on a light spot with a tunable size. By adjusting the ratio of cladding inlet flow rate including Qright/Qleft and Qup/Qdown, we get the adjustable two-dimensional focus direction rather than the one-dimensional focusing. In summary, by adjusting the flow rate of core inlet and cladding inlet, the focal length, output beam spot and focusing direction of the input light beam can be manipulated. We suppose this kind of flexible microlens can be used in integrated optics and lab-on-a-chip system.

  2. Faraday cup with nanosecond response and adjustable impedance for fast electron beam characterization. (United States)

    Hu, Jing; Rovey, Joshua L


    A movable Faraday cup design with simple structure and adjustable impedance is described in this work. This Faraday cup has external adjustable shunt resistance for self-biased measurement setup and 50 Ω characteristic impedance to match with 50 Ω standard BNC coaxial cable and vacuum feedthroughs for nanosecond-level pulse signal measurements. Adjustable shunt resistance allows self-biased measurements to be quickly acquired to determine the electron energy distribution function. The performance of the Faraday cup is validated by tests of response time and amplitude of output signal. When compared with a reference source, the percent difference of the Faraday cup signal fall time is less than 10% for fall times greater than 10 ns. The percent difference of the Faraday cup signal pulse width is below 6.7% for pulse widths greater than 10 ns. A pseudospark-generated electron beam is used to compare the amplitude of the Faraday cup signal with a calibrated F-70 commercial current transformer. The error of the Faraday cup output amplitude is below 10% for the 4-14 kV tested pseudospark voltages. The main benefit of this Faraday cup is demonstrated by adjusting the external shunt resistance and performing the self-biased method for obtaining the electron energy distribution function. Results from a 4 kV pseudospark discharge indicate a "double-humped" energy distribution.

  3. Adaptive Output Neural Network Control for a Class of Stochastic Nonlinear Systems With Dead-Zone Nonlinearities. (United States)

    Wu, Li-Bing; Yang, Guang-Hong


    This paper investigates the problem of adaptive output neural network (NN) control for a class of stochastic nonaffine and nonlinear systems with actuator dead-zone inputs. First, based on the intermediate value theorem, a novel design scheme that converts the nonaffine system into the corresponding affine system is developed. In particular, the priori knowledge of the bound of the derivative of the nonaffine and nonlinear functions is removed; then, by employing NNs to approximate the appropriate nonlinear functions, the corresponding adaptive NN tracking controller with the adjustable parameter updated laws is designed through a backstepping technique. Furthermore, it is shown that all the closed-loop signals are bounded in probability, and the system output tracking error can converge to a small neighborhood in the sense of a mean quartic value. Finally, experimental simulations are provided to demonstrate the efficiency of the proposed adaptive NN tracking control method.

  4. Continuous cardiac output measurement: arterial pressure analysis versus thermodilution technique during cardiac surgery with cardiopulmonary bypass

    NARCIS (Netherlands)

    Lorsomradee, S.; Lorsomradee, S. R.; Cromheecke, S.; de Hert, S. G.


    This study compared cardiac output measured with an arterial pressure-based cardiac output measurement system and a thermodilution cardiac output measurement system. We studied 36 patients undergoing cardiac surgery with cardiopulmonary bypass. Simultaneous arterial pressure-based and thermodilution

  5. Determinations of the reproductive output of populations of a ...

    African Journals Online (AJOL)


    Apr 13, 1987 ... spring and summer breeding cycles tended to merge, forming a longer breeding season, with the adult females apparently producing three broods of eggs per annum. The brood size of these females ranged from about 1304 to 4819 eggs. The calculated reproductive output (Pr) and reproductive biomass ...

  6. relationship between the exposure outputs of single-phase and ...

    African Journals Online (AJOL)

    Nigerian Journal of Physics, 178 (2005) 203. RELATIONSHIP BETWEEN THE EXPOSURE OUTPUTS ... 2Department of Physics, University of lbadan, lbadan, Nigeria. Abstract. 'lhe indirect determination of the patient dose .... The x-ray machine, a GEC Medical Apollo,. Roentgen 501 with an x-ray tube made by. Machlett at ...

  7. Factors Influencing Farmer Output in the International Fund for ...

    African Journals Online (AJOL)


    Michael Okpara University of Agriculture Umudike, Abia State, Nigeria. Email: ... Efforts to implement these programmes through some public extension systems such as Agricultural .... Multiple regression analysis was used to determine the factors that influence output realised from CBNRMP ...

  8. The World Input-Output Database : Content, Concepts and Applications

    NARCIS (Netherlands)

    Timmer, Marcel P.; Dietzenbacher, Erik; Los, Bart; Stehrer, Robert; de Vries, Gaaitzen J.


    This article describes the contents and construction of the World Input-Output Database (WIOD). This database contains annual time-series of world inputoutput tables, covering the period from 1995 onwards. Underlying concepts, construction methods and data sources are considered. In addition, the

  9. Aggregate Energy Consumption and Sectoral Output in Nigeria ...

    African Journals Online (AJOL)

    First Lady


    Oct 27, 2012 ... Journal of Energy and Development, 3, 401-403. Liew, V. K., Nathan, T. M. and Wong, W. (2012) Are Sectoral Outputs in. Pakistan Led by energy Consumption? Economic Bulletin, 32(3), pp. 2326-2331. Narayan, P. K. and Singh, B. (2007). The Electricity Consumption and GDP. Nexus for the Fiji Islands.


    NARCIS (Netherlands)



    This paper is a contribution to the rapidly emerging field of qualitative data analysis in economics. Ordinal data techniques and error measurement in input-output analysis are here combined in order to test the reliability of a low level of measurement and precision of data by means of a stochastic

  11. Linearised model for PV panel power output variation with changes ...

    Indian Academy of Sciences (India)



    Oct 26, 2017 ... This equivalent resistance represents the load seen at the PV panel terminals. It is dependent on the actual power drawn by the system and the interfacing converter between the PV panels and the load. Thus it is a function of the converter duty ratio and load characteristics. Due to the disturbance, output ...

  12. Open access publishing in Africa: advancing research outputs to ...

    African Journals Online (AJOL)

    The purpose of the study was to examine the status of Africa in the open access environment as well as the challenges of providing global visibility to African research outputs. A descriptive bibliometric approach was adopted for the study. Data was extracted from two world repository directories (Registry of Open Access ...

  13. Post-harvest production efficiency and output elasticity in cassava ...

    African Journals Online (AJOL)

    The study showed that in some agricultural zones in Rivers State and, in some products, there were negative response. A negative response to input use is an indication or suggests allocation inefficiency. Output efficiency measurement is very important in agricultural production in a profit oriented enterprise. Efficiency in ...

  14. 40 CFR 92.116 - Engine output measurement system calibrations. (United States)


    ... 40 Protection of Environment 20 2010-07-01 2010-07-01 false Engine output measurement system calibrations. 92.116 Section 92.116 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) AIR... convert a weight or a force through a distance into a torque shall be used in a horizontal position (±5...

  15. Spatial Allocation of Timber Product Output Roundwood Receipts (United States)

    John P. Brown


    Data from Georgia timber product output studies were used to develop models that spatially allocate roundwood receipts data from primary wood-using mills. Mill receipts data were converted to a cumulative frequency based on a distance from the mill to a county center. Distances were calculated as either straight line or shortest road distance, and county centers were...

  16. Output response of staple food crops in Nigerian agriculture (1990 ...

    African Journals Online (AJOL)

    In the regression results, labour, fertilizer and land area cultivated were significant at various levels. However, land had a negative coefficient. The study recommended that the subsidy on fertilizer should be sustained in other to obtain the needed output from these staple crops. Educating farmers on the right use of fertilizer ...

  17. Quantum dot amplifiers with high output power and low noise

    DEFF Research Database (Denmark)

    Berg, Tommy Winther; Mørk, Jesper


    Quantum dot semiconductor optical amplifiers have been theoretically investigated and are predicted to achieve high saturated output power, large gain, and low noise figure. We discuss the device dynamics and, in particular, show that the presence of highly inverted barrier states does not limit...

  18. A Discourse on the Creative Output of Contemporary Nigerian ...

    African Journals Online (AJOL)

    This paper focuses on the contemporary Nigerian musicians as creative artistes. It discusses such issues as the musicians, the medium of communication, musical output of Nigerian musicians and Nigerian music in the context of meeting global standards and other important concepts. It also gives a comprehensive list of ...

  19. Parameter estimates for reproductive output and product quality ...

    African Journals Online (AJOL)


    Several factors such as colony mating, shared nests, small flocks without genetic ties and that pairs are mated for life, ... egg and chick output (hereafter termed as reproduction) should form an integral part of the breeding objective for ..... Lack of sexual maturity and past experience could be the reason why the young hens.

  20. Crossover Can Be Constructive When Computing Unique Input Output Sequences

    DEFF Research Database (Denmark)

    Lehre, Per Kristian; Yao, Xin


    Unique input output (UIO) sequences have important applications in conformance testing of finite state machines (FSMs). Previous experimental and theoretical research has shown that evolutionary algorithms (EAs) can compute UIOs efficiently on many FSM instance classes, but fail on others. However...


    NARCIS (Netherlands)


    In this paper unit-root tests for per capita output of 12 OECD countries are performed. Using traditional unit-root tests, it follows that the unit-root hypothesis cannot be rejected except for the US. However, following the approach of Perron (1989), which takes shifts in mean and/or trend into

  2. impact of the use of electronic resources on research output

    African Journals Online (AJOL)


    Abstract. This paper examines the impact of the use of electronic information resources on research output in the universities in Tanzania. Research for this paper was conducted in five public universities in Tanzania with varied levels of access to electronic information resources. The selection of the sample universities was ...

  3. Handling IEC1157: Complicated output measurements - A challenge

    NARCIS (Netherlands)

    Hekkenberg, R.T.; Oosterbaan, W.A.; Teirlinck, C.J.P.M.


    The parameters listed in IEC1157 standard 'Requirements for the declaration of the acoustic output of medical diagnostic ultrasonic equipment' are mainly based on the safety aspects of medical ultrasound in diagnostic examinations. The standard can be used in the process of satisfying the European

  4. An analysis of employment intensity of sectoral output growth in ...

    African Journals Online (AJOL)


    Aug 26, 2011 ... study recommends a successful mineral-led economy that is able to diversify into sectors and activities that are by nature relatively more labour-intensive. Key words: employment intensity, sectoral output growth, Botswana. Introduction. 1The principal link through which economic growth is transmitted to the ...

  5. Passive output feedback and observer based autopilots: A comparative study

    Directory of Open Access Journals (Sweden)

    Marit Paulsen


    Full Text Available Two methods for course-keeping of a ship are studied where no measurements of the yaw rate are available. The two methods are a passive output feedback controller and a controller-observer structure. A comparison with special attention to stability and wave filtering properties, is provided. Finally, a case study of a ship autopilot is included.

  6. Public Infrastructure Investment, Output Dynamics, and Balanced Budget Fiscal Rules

    NARCIS (Netherlands)

    Duarte Bom, P.R.; Ligthart, J.E.


    We study the dynamic output and welfare effects of public infrastructure investment under a balanced budget fiscal rule, using an overlapping generations model of a small open economy. The government finances public investment by employing distortionary labor taxes. We find a negative short-run

  7. Know Your Personal Computer-Input–Output Ports

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 2; Issue 5. Know Your Personal Computer - Input–Output Ports. Siddhartha Kumar Ghoshal ... Author Affiliations. Siddhartha Kumar Ghoshal1. Supercomputer Education and Research Centre, Indian Institute of Science, Bangalore 560 012, India ...

  8. Aggregate Energy Consumption and Sectoral Output in Nigeria ...

    African Journals Online (AJOL)

    The concluded that the nexus between energy consumption and output of individual sectors of the economy are different and therefore recommended sector specific energy policies rather the one fit-for-all policy. Also, energy conservation policies would be harmful to the productive activities of agricultural and service ...

  9. Mechanical output in jumps of marmosets (Callithrix jacchus)

    NARCIS (Netherlands)

    Bobbert, M.F.; Plas, R.L.C.; Weide, G.; Clairbois, H.E.; Hofman, S.; Jaspers, R.T.; Philippens, I.H.C.H.M.


    In this study we determined the mechanical output of common marmosets (Callithrix jacchus) during jumping. Vertical ground reaction forces were measured in 18 animals while they jumped from an instrumented crossbar to a crossbar located 70 cm higher. From the vertical force time histories, we

  10. Output-only Modal Analysis by Frequency Domain Decomposition

    DEFF Research Database (Denmark)

    Brincker, Rune; Zhang, L.; Andersen, P.


    In this paper a new frequency domain technique is introduced for the modal identification of output-only systems, i.e. for the case where the modal parameters must be estimated without knowing the input exciting the system. By its user friendliness the technique is closely related to the classical...

  11. Pulse contour-derived cardiac output in hemodialysis patients

    DEFF Research Database (Denmark)

    Cordtz, Joakim; Ladefoged, Soeren D


    analysis, namely the Finometer monitor (FNM) for further use on patients dialyzing on a central vascular catheter. Fifty simultaneous cardiac output measurements were obtained during hemodialysis sessions in 25 patients. The internal variability of the FNM measurements was assessed by comparing 24 pairs...

  12. Input-output theory and institutional aspects of environmental policy

    NARCIS (Netherlands)

    Steenge, A.E.


    National accounting over the years has developed in close interaction with input–output analysis. However, present developments involving core and satellite accounts seem to suggest that this relation will become less close, with possible negative consequences for analysis and policy. In this paper

  13. Identification of single-input-single-output quantum linear systems (United States)

    Levitt, Matthew; GuÅ£ǎ, Mǎdǎlin


    The purpose of this paper is to investigate system identification for single-input-single-output general (active or passive) quantum linear systems. For a given input we address the following questions: (1) Which parameters can be identified by measuring the output? (2) How can we construct a system realization from sufficient input-output data? We show that for time-dependent inputs, the systems which cannot be distinguished are related by symplectic transformations acting on the space of system modes. This complements a previous result of Guţă and Yamamoto [IEEE Trans. Autom. Control 61, 921 (2016), 10.1109/TAC.2015.2448491] for passive linear systems. In the regime of stationary quantum noise input, the output is completely determined by the power spectrum. We define the notion of global minimality for a given power spectrum, and characterize globally minimal systems as those with a fully mixed stationary state. We show that in the case of systems with a cascade realization, the power spectrum completely fixes the transfer function, so the system can be identified up to a symplectic transformation. We give a method for constructing a globally minimal subsystem direct from the power spectrum. Restricting to passive systems the analysis simplifies so that identifiability may be completely understood from the eigenvalues of a particular system matrix.

  14. Determinants of accessibility to output markets by vegetable farmers ...

    African Journals Online (AJOL)

    The coefficients of the logit regression indicated that of the factors that determine vegetable farmers' access to output market, cost of transportation and number of buyers at farm gate were significant (P<0.01). Distance to the markets, access to market information and influence of extension workers were significant (P<0.05).

  15. 36 CFR 1193.43 - Output, display, and control functions. (United States)


    ... 36 Parks, Forests, and Public Property 3 2010-07-01 2010-07-01 false Output, display, and control functions. 1193.43 Section 1193.43 Parks, Forests, and Public Property ARCHITECTURAL AND TRANSPORTATION BARRIERS COMPLIANCE BOARD TELECOMMUNICATIONS ACT ACCESSIBILITY GUIDELINES Requirements for Accessibility...

  16. Maine timber industries - a periodic assessment of timber output (United States)

    Robert L., Jr. Nevel; Peter R. Lammert; Richard H. Widmann


    This periodic evaluation of statewide industrial timber output is based on a survey of the primary wood manufacturing plants located in Maine in 1981. It contains statistics on industrial timber harvest and plant wood reciepts and on the production and disposition of the manufacturing residues for the year. The 438.7 million ft? (12.4 million m?) of industrial...

  17. Possibilities and constraints for grazing in high output dairy systems

    NARCIS (Netherlands)

    Hennessy, D.; Delaby, L.; Pol, van den A.; Shalloo, L.


    In temperate and oceanic regions, grazed grass is the lowest cost feed available for milk production. In other regions, grazed grass is less important but can contribute to the diet of livestock. Within high output systems the interaction between the animal and sward is challenging for a host of

  18. Test Generation with Inputs, Outputs and Repetitive Quiescence

    NARCIS (Netherlands)

    Tretmans, G.J.


    This paper studies testing based on labelled transition systems, using the assumption that implementations communicate with their environment via inputs and outputs. Such implementations are formalized by restricting the class of transition systems to those systems that can always accept input

  19. Subjective test of class D amplifiers without output filter

    DEFF Research Database (Denmark)

    Agerkvist, Finn T.; Fenger, Lars M.


    This paper presents the results of subjective listening tests designed to determine whether the output filter on class D amplifiers used in active loudspeakers can be omitted without audible errors occurring. The frequency range of the amplifiers was limited to 0-3 kHz corresponding to a woofer...

  20. Pulsation of the growth rate of output and technology (United States)

    Pokrovskii, Vladimir N.


    The pulsation of the growth rate of output is considered from the point of view of technological theory of production, which is based on the law of substituting for human, muscle- and brain-based work. It is shown that the pulsation is connected with pulsation of technological characteristics of installed production equipment. The case of the US economy is considered.