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Sample records for akwa ibom state

  1. Commercial fish price shock behaviour in Akwa Ibom State ...

    African Journals Online (AJOL)

    Commercial fish price shock behaviour in Akwa Ibom State, Southern Nigeria. ... Username, Password, Remember me, or Register ... Producer – consumer price behaviour in the long run depends on several factors. This study tested for the ...

  2. Technical efficiency in pig production in Akwa Ibom State, Nigeria ...

    African Journals Online (AJOL)

    This study was designed to measure the level of technical efficiency and its determinants in pig production in Akwa Ibom State, Nigeria using a stochastic frontier production function. Multistage random sampling technique was used to select 60 pig farms from which input-output data were collected in 2004. The estimated ...

  3. Food animal supply and consumption pattern in Akwa Ibom State ...

    African Journals Online (AJOL)

    A three-year retrospective study (1994-1996) of food animal supply and consumption in Akwa Ibom State was carried out, based on records kept at the Veterinary Services Department of the Ministry of Agriculture. This was complemented with visits to appraise operational areas and interviews of the operators. The animals ...

  4. An economic study of palm oil marketing in Akwa Ibom state ...

    African Journals Online (AJOL)

    However, the fluctuating trends in the production and marketing of palm oil in the State, calls for adequate economic investigation in order to enhance the potentials of the enterprise. The study covered the major markets in Akwa Ibom State, namely Uyo, Eket, Etinan, and Ikot Abasi main markets. In all, both the producers, ...

  5. Road Traffic Accidents In Uyo Urban, Akwa Ibom State: The Scourge ...

    African Journals Online (AJOL)

    The aim was to determnie the scope of Road Traffic accidents in Uyo Urban, the hub of Akwa Ibom State commercial life, the role of motor cycles in the mishaps, the nature of trauma sustained; the bones commonly involved and the possible causes of the accidents: The data obtained, showed that motor cycles are involved ...

  6. Leadership among Secondary School Agricultural Science Teachers and Their Job Performance in Akwa Ibom State, Nigeria

    Science.gov (United States)

    Ben, Camilus Bassey

    2012-01-01

    The main purpose of this study is to investigate leadership among secondary school Agricultural Science teachers and their job performance in Akwa Ibom State. To achieve the aim of this study, three research hypotheses were generated to direct the study. Literature was reviewed based on the variables derived from the postulated hypotheses. Survey…

  7. Business Studies Academic Performance Differences of Secondary School Juniors in Akwa Ibom State of Nigeria

    Science.gov (United States)

    Udoukpong, Bassey E.; Emah, Ime E.; Umoren, Shirley E.

    2012-01-01

    The research examined the differences in the academic performance in Business Studies of a sampled secondary school junior students in Akwa Ibom State of Nigeria. A sample of 290 (138 male and 152 female) Junior Secondary Three (9th grade) students was surveyed. The students' variables' being examined vis-à-vis academic performance in Business…

  8. Economics of Waterleaf (Talinumtriangulare Production in Akwa Ibom State, Nigeria

    Directory of Open Access Journals (Sweden)

    Anselm A. Enete

    2010-03-01

    Full Text Available This study analyzed the profitability level of waterleaf production in three selected agricultural zones of Akwa Ibom State, Nigeria. The study was based on primary data obtained from a random sample of 60 waterleaf farmers and analyzed using descriptive statistics, profitability ratios and regression analysis. The result of the analysis shows that the majority (90% of the farmers had some level of formal education. Labour had the highest percentage (58% of total cost of production, suggesting that waterleaf production was labour intensive in the area.  The average net income per hectare per waterleaf production cycle was N322,413 while the average total cost was N89,307.18. Labour cost constituted the highest percentage of total variable cost. The profitability index (0.78, rate of returns on investment (361%, rate of returns on variable cost (482%, and operating ratio (0.21 suggest that waterleaf production was profitable in the study area. The identified major factors that enhance the output of waterleaf were the application of poultry manure, bigger household size (cheap labour, level of education of the farmer and level of capital. These observations underscore the need for the provision of credit facilities and some kind of adult education programme for the farmers. These will respectively ensure that they apply the right quantity of purchased inputs (like fertilizers, hired labour and capital in their production process and improve their human capital.Cette étude a porté sur l’analyse du taux de rentabilité de la production de grassé dans trois régions agricoles de l’état d’Akwa Ibom, au Nigeria. Des données primaires obtenues à partir d’un échantillon aléatoire de 60 cultivateurs de grassé ont été analysées à l’aide de statistiques descriptives, de ratios de rentabilité et d’une analyse de régression. Les résultats montrent que la majorité (90 % des cultivateurs a un certain degré d’éducation formelle

  9. An Evaluation of Unemployment Reduction in Akwa Ibom State using Career Guidance and Counselling

    OpenAIRE

    Nsikak-Abasi Udofia; Eno Daniel Inyang

    2013-01-01

    This study was carried out to examine the possibility of reducing unemployment in Akwa Ibom State using career guidance and counselling interventions. To guide the study, four research questions and four null hypotheses were formulated. Variables such as educational guidance, vocational, personality trait guidance and sociological guidance were used in the investigation. A survey design was used in studying a population of 6509 senior secondary two students in 58 public secondary schools that...

  10. Prevalence of Hypertension in Akwa Ibom State, South-South Nigeria: Rural versus Urban Communities Study

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    Effiong Ekong Akpan

    2015-01-01

    Full Text Available Recent studies have shown an increasing trend in the prevalence of hypertension in rural communities compared to that of the urban communities. This study was therefore carried out to determine the prevalence of hypertension and its predictors (if any in both urban and rural communities of Akwa Ibom State of Nigeria. Subjects and Method. This was a cross-sectional study of urban and rural communities of Akwa Ibom State for the prevalence of hypertension and its predictors. Two urban cities and two rural communities were randomly selected from the three senatorial districts of the state. Hypertension was defined based on the Seventh Report of the Joint National Committee on the Prevention, Detection, Evaluation, and Treatment of Hypertension. Results. Nine hundred and seventy-eight (978 participants were recruited from rural areas and five hundred and ninety (590 from urban centers. The rural populace had higher systolic, diastolic, and mean arterial blood pressure than the urban populace (P<0.001, < 0.002, < 0.001, resp.. The prevalence of hypertension was significantly higher in the rural populace than in the urban populace [44.3% (95% CI 41.1–47.4% versus 28.6% (95% CI 24.9–32.3%]. Age, BMI, and proteinuria were independent predictors of hypertension occurrence. Conclusion. There is an epidemiologic change in the prevalence of hypertension in the rural communities of Nigeria.

  11. Use of Multimedia in Teaching and Learning of Political Science in University of Uyo, Akwa Ibom State, Nigeria

    Science.gov (United States)

    Udim, Davies Kelvin; Etim, Eyo Akon

    2016-01-01

    This paper examines the use of multimedia in teaching and learning of political science in University of Uyo, Akwa Ibom State, Nigeria. A survey research was adopted and the tool employed for this research study was a questionnaire titled "Use of Multimedia in Teaching and Learning of Political Science in University of Uyo" (UMTLPSUU).…

  12. Entrepreneurship Education and Career Intentions of Tertiary Education Students in Akwa Ibom and Cross River States, Nigeria

    Science.gov (United States)

    Ekpoh, Uduak Imo; Edet, Aniefiok Oswald

    2011-01-01

    This paper explores the impact of entrepreneurship education on career intentions among 500 students drawn from two universities in Akwa Ibom and Cross River States of Nigeria. The study adopted a survey design. Two research questions and two hypotheses were raised for the study. Data were collected using a structured questionnaire titled…

  13. MONTHLY PRICE ANALYSIS OF COWPEA (BEANS AND MAIZE IN AKWA IBOM STATE, SOUTHERN NIGERIA

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    Sunday Brownson Akpan

    2014-04-01

    Full Text Available The study examined the price transmission and market integration of Maize and Beans in the rural and urban markets of Akwa Ibom State, Nigeria. Average monthly prices (measured in naira per kilogram of Maize and Cowpea in rural and urban markets were used in the analysis. The data was obtained from the quarterly publications of the Akwa Ibom State Agricultural Development Programme (AKADEP. The data covered the period; January 2005 to June 2013. The trend analysis showed that, prices of Maize and Beans in the rural and urban markets had exponential growth rates that were less than unity, which suggested a possible co-movement of these prices in the study area. Also, the Pearson correlation coefficient generated for the pair of rural and urban prices of Maize and Beans revealed significant linear symmetric relationships. The result implies the existence of symmetric market information flows between the rural and urban markets for Maize and Beans in the state. The Granger causality test revealed bi-directional relationships between the rural and urban price of Maize and Beans in the study area. The co-integration test revealed the presence of co-integration between the rural and urban prices of Maize and Beans. The coefficients of the price variables in the co-integration equations for Maize and Beans markets converged to unity or law of one price which implied perfect market integration in the long run. The results of the error correction model (ECM also confirm the existence of the short run market integration between the rural and urban prices of Maize and Beans in the study area. In addition, it was discovered that, the rural price of Maize adjusted faster to the stable state in the long run than the urban price. Likewise, the urban price of Beans adjusted faster than its corresponding rural price. The index of market connection (IMC supported the high short run market integration for prices of Maize and Beans in rural and urban markets. Based

  14. Development of Sales and Inventory Workflow Management Information System Web Portal for Petrospan Integrated Services, Eket, Akwa Ibom State, Nigeria

    OpenAIRE

    Ezeonwumelu, Adanna Ngozi; Eunice, Akinloye Bolanle; Ezenugu, Isaac A.

    2017-01-01

    In this paper, the development of Sales and Inventory Workflow Management Information System (SIWfMS) web portal for Petrospan Integrated Services, Eket, Akwa Ibom state, Nigeria was presented. Rapid Application Development (RAP) methodology is used in the web application development. Three-tier architecture based on WAMP server configuration was adopted. The WAMP server was made up of Windows Operating system; Apache web server, MySQL database system and PHP server-side scripting langue. The...

  15. Assessment of the Quality of Water Treated and Distributed By the Akwa Ibom State Water Company

    OpenAIRE

    N. O. Eddy; A. S. Ekop

    2007-01-01

    The quality of water treated and distributed by the Akwa Ibom Water Company has been assessed by analyzing samples of water collected from different distribution points for their physiochemical parameters, major ions, nutrients and bacteriological quality. The observed values were compared with standard values given by the World Health Organization for portable water. The quality of the analysed water is found fit for human consumption.

  16. Preventing malaria in pregnancy through community-directed interventions: evidence from Akwa Ibom State, Nigeria

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    Ishola Gbenga

    2011-08-01

    Full Text Available Abstract Background Despite massive anti-malaria campaigns across the subcontinent, effective access to intermittent preventive treatment (IPTp and insecticide-treated nets (ITNs among pregnant women remain low in large parts of sub-Saharan Africa. The slow uptake of malaria prevention products appears to reflect lack of knowledge and resistance to behavioural change, as well as poor access to resources, and limited support of programmes by local communities and authorities. Methods A recent community-based programme in Akwa Ibom State, Nigeria, is analysed to determine the degree to which community-directed interventions can improve access to malaria prevention in pregnancy. Six local government areas in Southern Nigeria were selected for a malaria in pregnancy prevention intervention. Three of these local government areas were selected for a complementary community-directed intervention (CDI programme. Under the CDI programme, volunteer community-directed distributors (CDDs were appointed by each village and kindred in the treatment areas and trained to deliver ITNs and IPTp drugs as well as basic counseling services to pregnant women. Findings Relative to women in the control area, an additional 7.4 percent of women slept under a net during pregnancy in the treatment areas (95% CI [0.035, 0.115], p-value Conclusion The presented results suggest that the inclusion of community-based programmes can substantially increase effective access to malaria prevention, and also increase access to formal health care access in general, and antenatal care attendance in particular in combination with supply side interventions. Given the relatively modest financial commitments they require, community-directed programmes appear to be a cost-effective way to improve malaria prevention; the participatory approach underlying CDI programmes also promises to strengthen ties between the formal health sector and local communities.

  17. Hydrogeology and groundwater evaluation of a shallow coastal aquifer, southern Akwa Ibom State (Nigeria)

    Science.gov (United States)

    Edet, Aniekan

    2017-09-01

    The rapid expansion of economic activities in coastal parts of Nigeria has triggered an uncoordinated development of groundwater leading to stress on the resource. Hence a study was conducted to assess the hydrogeological characteristics of the shallow coastal aquifer of southern Akwa Ibom State, Nigeria. Emphasis was on the hydraulic characteristics, quality with respect to domestic and irrigation purposes and influence of seawater. The study result revealed that the aquifer consist of intercalations of clayey sand and sand. The aquifer is characterized by high hydraulic conductivity and transmissivity values. The groundwater flow direction is southwards with higher groundwater depletion in the dry season. Groundwater samples from hand dug wells and boreholes were evaluated based on World Health Organization standard and some indices, respectively, for drinking and irrigation uses. The groundwaters are fit for drinking and domestic uses. However, more than 70 % of the pH values are not within the allowable limits of between 6.5 and 9.2 for drinking and domestic use. Therefore, it is recommended that neutralizing filter containing calcite or ground limestone should be applied to raise the pH of the groundwater. Of the 10 parameters used to assess the water for irrigation use, only sodium adsorption ratio (SAR), magnesium hazard (MH) and magnesium ratio indicated the excellent quality of these waters. Na+-K+-HCO3 - constitute the dominant water type. Total dissolved solids and ratios of Na+/Cl-, Mg2+/Cl-, and Ca2+/SO4 2- and saltwater mixing index (SMI) suggest some level of seawater intrusion in the area.

  18. Oil pollution in the Riverine Areas - a case study of Akwa-Ibom State ...

    African Journals Online (AJOL)

    A study of the oil production activities in the riverine area of Akwa-lbom State was carried out by the . In this regard, visits to different oil locations were made to obtain information on the consequences of oil production activities. Through these visits, the ecological situation of the environment was assessed, useful information ...

  19. Resistivity Study of Shallow Aquifers in theParts of Southern Ukanafun Local Government Area, Akwa Ibom State, Nigeria

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    N. J. George

    2010-01-01

    Full Text Available A resistivity study by vertical electrical sounding (VES employing the Schlumberger electrode configuration has been used to delineate shallow aquifers in some villages in Southern Ukanafun Local Government Area of Akwa Ibom State, Southern Nigeria. The information realized from the resistivity data and nearby logged boreholes show that the depths penetrated by currents were all sandy formations with various thicknesses. However, the main aquifers comprise within the maximum current penetration, very coarse – grained (gravelly sand and fine sand with resistivity in the ranges of 4680-30700 Ωm and 207-2530 Ωm and thickness in the ranges of 43-63 m and 18-40 m respectively. The aquifers with minor hydraulic gradient are separated by thin beds of clay according to lithology logs and these beds were masked in the sounding data due to the principle of suppression.

  20. analysis of poverty status of rural farm families in akwa ibom state

    African Journals Online (AJOL)

    PROF. BARTH EKWEME

    This study was conducted to provide empirical evidence of the effect of farming on the poverty status of rural farm families in Uyo, Akwa ... Reducing poverty in developing economies is a ... is one of the poorest among the poor countries of the.

  1. Assessment of Patients’ Entrance Skin Dose from Diagnostic X-ray Examinations at Public Hospitals of Akwa Ibom State, Nigeria

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    Esen Nsikan U

    2015-07-01

    Full Text Available Introduction High doses of ionizing radiation can lead to adverse health outcomes such as cancer induction in humans. Although the consequences are less evident at very low radiation doses, the associated risks are of societal importance. This study aimed at assessing entrance skin doses (ESDs in patients undergoing selected diagnostic X-ray examinations at public hospitals of Akwa Ibom State, Nigeria. Materials and Methods In total, six examinations were performed on 720 patients in this study.   CALDose_X5 software program was used in estimating ESDs based on patients’ information and technical exposure parameters. Results The estimated ESDs ranged from 0.59 to 0.61 mGy for PA and RLAT projections of the thorax, respectively. ESDs for the AP and RLAT projections of the cranium were 1.65 and 1.48 mGy, respectively. Also, ESD values for the AP view of the abdomen and pelvis were 1.89 and 1.88 mGy, respectively. The mean effective dose was within the range of 0.021-0.075 mGy for the thorax (mean= 0.037, 0.008-0.045 mGy for the cranium (mean= 0.016, 0.215-0.225 mGy for the abdomen (mean= 0.219 and 0.101-0.119 mGy for the pelvis (mean= 0.112. Conclusion The obtained results were comparable to the international reference dose levels, except for the PA projection of the thorax. Therefore, quality assurance programs are required in diagnostic X-ray units of Nigeria hospitals. The obtained findings add to the available data and can help authorities establish reference dose levels for diagnostic radiography in Nigeria.

  2. “Climate change and recent severe flooding in Uyo, Akwa Ibom ...

    African Journals Online (AJOL)

    This paper considered the phenomenon of climate change in relation to frequent and intensified flood problems in Uyo, the Capital City of Akwa Ibom State, Nigeria. Empirical evidence on the onset of climate change in Nigeria was presented. Flood problems worldwide were highlighted, together with their impacts in terms ...

  3. The Impact of Immunization Control Activities on Measles Outbreaks in Akwa Ibom State, South-South, Nigeria

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    Bassey Enya B

    2010-07-01

    Full Text Available Background: The increase of vaccination rates means that fewer children will be vulnerable to vaccine preventable diseases such as measles, which will invariably result in a drop in the infant mortality and morbidity rates. Objective: To assess the impact of the implementation of measles reduction strategies from 2006 to 2008 using the quarterly national program for immunization (NPI in Akwa Ibom state, Nigeria. Method: Following informed consent, individuals presenting with febrile rash illnesses were routinely bled and tested for measles specific IgM using commercially available ELISA kit-MV-ELISA (Enzygnost; Behring Diagnostics, Marburg, Germany in accordance with the manufacturer’s instructions. Results: A total of four hundred and four individuals comprising of 216 vaccinated and 188 unvaccinated, presenting with febrile rash illness were screened for measles specific IgM antibodies as indication of active infection between January 2006 and December 2008 out of which 122 (30.2% had detectable levels of measles antibodies. Among the vaccinated and unvaccinated groups, 32 (14.8% and 90 (47.9% respectively were detected with measles IgM antibodies. The highest and lowest antibody levels were detected in 2006 (vaccinated: 54.7%; unvaccinated: 78.4% and 2008 (vaccinated: 1.2%; unvaccinated: 12% respectively. The distribution of measles burden by year show an overall decline in prevalence from 70% in 2006, 8.9% in 2007 to 3.7% in 2008. While, children under the age of 5 similarly had a decline in measles incidence of 73.3%, 10.7% and 3.3% respectively. Sex distribution of infection within the 3-year period shows that more females (37.4% than males (21.2% expressed measles IgM antibodies, and active infection was detected more in the rural (31.4% than urban area (27.7%. However, findings indicate a tremendous decline in active infection in the rural areas from 67% in 2006 to 0% in 2008, and in the urban areas from 78% in 2006 to 9.3% in 2008

  4. Teachers' knowledge and attitudes towards seizure disorder: a comparative study of urban and rural school teachers in Akwa Ibom State, Nigeria.

    Science.gov (United States)

    Akpan, M U; Ikpeme, E E; Utuk, E-Oe

    2013-01-01

    Knowledge and attitude of school teachers with regard to seizure disorder has an important impact on continuation of schooling of children with seizure disorder. Though school teachers in both rural and urban settings are exposed to the same training, their perception of seizure disorder could be influenced by the environment in which they reside. To determine the knowledge and attitudes of school teachers towards children with seizure disorder, and the influence of urban residence on perception of seizure disorder by the teachers. A self-administered questionnaire on knowledge and attitudes to seizure disorder were filled by school teachers drawn from both urban and rural settings in Akwa-Ibom State, Nigeria. One-hundred and thirty-two urban school teachers and an equal number of their rural counterparts completed the questionnaire. There were significantly more female teachers in the urban schools whereas the rural schools were dominated by male teachers with male to female ratio of 1:5.6 and 1.2:1, respectively. Majority of the urban (60.6%) and rural (57.6%) school teachers were National Certificate of Education holders. Thirty-eight (28.8%) of urban respondents versus eight (6.1%) of rural respondents thought seizure disorder was caused by evil spirits whereas 60 (45.5%) urban respondents compared to 80 (60.6%) of rural respondents felt seizure disorder was infectious. Majority of the respondents from both urban and rural schools (68.2% and 63.6% respectively) believed that the foam from the mouth of a convulsing child with seizure disorder is the infecting agent. However, 62.1% of urban respondents as well as 45.5% of rural respondents would advise that children with seizure disorder be admitted into special schools. There was no significant difference in the mean overall knowledge and attitudes of school teachers to seizure disorder in the two settings ( P = 0.33 for knowledge and 0.28 for attitudes). Teachers' high level of education however, had a positive

  5. Facilitative Learning and Students' Engagement in Electrical Technology for Developing Critical Reasoning and Lifelong Learning Skills in the University of Uyo, Akwa Ibom State, Nigeria

    Science.gov (United States)

    Emmanuel, Caleb; Ekpo, Aloysuis

    2016-01-01

    Research has found that active student engagement in classroom activities can enhance academic achievement, promote retention and application of knowledge. This study investigated the relationship between students' engagement and facilitation in a student-centred learning environment. The study was conducted at the University of Uyo, Akwa Ibom…

  6. (wetland) soils in akwa ibom state

    African Journals Online (AJOL)

    OLUWOLE AKINNAGBE

    ... assess the soil quality. The results indicated that gleying (g), low potassium reserve (k) and acidic ... monitoring nutrients status through soil and plant tissue tests as farmers ..... Farmers should plant crops, which could adapt to water- logging ...

  7. A Survey of Basic Facilities and Service Provision for the Successful Inclusion of the Students with Hearing Impairment in Inklusive Education Setting in Cross River, Akwa IBOM & Rivers State of Nigeria

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    James Abua Ewa

    2014-12-01

    Full Text Available Obviously, since the challenges of life change with time, education should aim at bringing up children with hearing impairment to face these changes and make necessary adjustment in their lives for successful living. Hence education programs and service provisions should therefore be dynamic. To realise these important functions, programs and services designed for the students with hearing impairment in an inclusive education setting should not be on exemption, since the society itself is dynamic in many respects, its fundamental needs equally change with time which hitherto makes societal objective changes also, owing to advancement in scientific inventions, innovation in trends and practices of inclusive education. Bearing this in mind, this paper sought to ascertain the level of provision and availability of basic facilities and services necessary for the successful inclusion of students with hearing impairment. The survey focused on the availability and use of assistive technology devices by the hearing impaired students, recruitment and training of teaching and supportive staff, communication strategies adapted by the teachers, medical and socials services .Data were collected using a Likert-like questionnaire from the sampled secondary schools in the states under investigation. The researcher analysed the data using the Pearson Product Moment Correlation co-efficient. The results revealed that much is yet to be put in place in the states under study for the successful inclusion of students with hearing impairment into inclusive education setting.

  8. Economic Analysis Of Cassava Production In Akwa Ibom State ...

    African Journals Online (AJOL)

    ... encourage farmers to use recommended rate of fertilizer application, improved varieties of cassava stem for increased efficiency and increased cassava production in the country since there is availability of markets for Nigeria cassava products( chips/pellets) in China, Netherlands, Germany, Belgium and Luxembourg.

  9. Postpartum Depression among Women in Uyo, Akwa-Ibom State ...

    African Journals Online (AJOL)

    Abstract. Background Postpartum depression is a common psychiatric complication of childbearing among women. The increasing rate in addition to poor clinical diagnosis is attributable to poor health care services and inadequate medical attention. The implication is the high morbidity with adverse social and medical ...

  10. Resources for Chemistry Teaching in Secondary Schools in Akwa ...

    African Journals Online (AJOL)

    This study investigated the status of human and material resources for effective implementation of the new chemistry curriculum for secondary schools in Nigeria in Akwa Ibom state. To achieve the objectives of the study, two research questions were raised. Ex-post-facto design was used. The sample consisted of 105 ...

  11. Evaluation Of Management Properties Of Wetland Soils Of Akwa ...

    African Journals Online (AJOL)

    Evaluation Of Management Properties Of Wetland Soils Of Akwa Ibom State, Nigeria For Sustainable Crop Production. ... Organic matter content values were high with mean of 12.59, 60.01, and 3.20 percent for Inland valley, Flood plain and mangrove soils respectively. Effective cation exchange capacity (ECEC) was below ...

  12. Teachers Assessment of Secondary School Effectiveness in Akwa ...

    African Journals Online (AJOL)

    The aim of the study was to determine how secondary school teachers in Akwa Ibom State of Nigeria assess their school effectiveness in terms of learning and teaching, planning and organizing teaching, guidance and counselling, leadership and ethos. Three hypotheses were raised. The population of study consisted of ...

  13. Impact of Culture on Meat and Related Food Preferences in Akwa ...

    African Journals Online (AJOL)

    The effectiveness of meat and related food products marketing in Akwa Ibom State is conditioned by the specifics of culture. In this study, cultural effect on meat consumption is examined. A sample of 568 respondents were analysed with OLS regression. The results reveal that meat consumption and preferences for related ...

  14. TEACHING SEX EDUCATION IN SCHOOLS IN AKWA jBOM STATE ...

    African Journals Online (AJOL)

    The viewpoint of Akwa lbom State education administrators, teachers, parents, clergy, and community leaders living in the United. States and Nigeria ... home have a cooperative job to do. .... in the school curriculum - as a separate course, part.

  15. climate change and recent severe flooding in uyo, akwa ibom state

    African Journals Online (AJOL)

    2015-08-27

    Aug 27, 2015 ... detailed rainfall analysis was conducted for the study area, Uyo, using statistical distributions ... (pipe-jacking), a lot more needs to be done in terms of provision of infiltration surfaces (green ..... METHODS AND MATERIALS.

  16. The Pattern and Distribution of Cancers in Akwa Ibom State, Nigeria

    African Journals Online (AJOL)

    2018-05-22

    May 22, 2018 ... to different infections, increase in smoking habits, physical ... tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new ..... somatic mutations and decline in immune competence.

  17. Dimensions in rural water coverage and access in Akwa Ibom State ...

    African Journals Online (AJOL)

    ABIA

    2014-12-15

    Dec 15, 2014 ... The result indicated inequity in the location of projects. ... this article remain permanently open access under the terms of the Creative Commons Attribution License 4.0 .... research because the degree of success or failure in.

  18. A public–private partnership model to reduce tuberculosis burden in Akwa Ibom State – Nigeria

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    A E Asuquo

    2015-01-01

    Conclusion: Though the previous intervention might have helped to increase the knowledge of the respondents about TB in the community and helped to improve their care-seeking attitudes, sustaining active case finding through Public–Private Partnership can go a long way to reduce TB burden, especially in rural communities where health care systems are generally weak or inadequate.

  19. Radionuclide contents and radiological risk to the population due to raw minerals and soil samples from the mining sites of quality ceramic and pottery industries in Akwa Ibom, Nigeria; Contenu en radionucleides et risque radiologique aux populations d'echantillons de sols et de mineraux bruts issus de sites miniers des industries de la poterie et de la ceramique de qualite a Akwa Ibom, Nigeria

    Energy Technology Data Exchange (ETDEWEB)

    Jibiri, N.N.; Esen, N.U. [Radiation and Health Physics Research Laboratory, Department of Physics, University of Ibadan, Ibadan (Nigeria)

    2011-01-15

    Samples of domestically produced industrial raw minerals and soil samples from three mining sites of quality ceramic/smelting and pottery industries in Akwa Ibom, Nigeria, were collected and analyzed for their {sup 226}Ra, {sup 232}Th and {sup 40}K contents using gamma-ray spectroscopy. The range of activity concentrations of the radionuclides in the industrial raw minerals were 17.55 {+-} 1.63 to 80.99 {+-} 2.61 Bq.kg{sup -1} for {sup 226}Ra, 7.64 {+-} 0.77 to 23.94 {+-} 0.92 Bq.kg{sup -1} for {sup 232}Th and 63.22 {+-} 3.43 to 503.90 {+-} 5.69 Bq.kg{sup -1} for {sup 40}K, while in the soil samples they varied from 2.87 to 34.78 Bq.kg{sup -1}, 7.02 to 24.47 Bq.kg{sup -1} and 7.05 to 162.81 Bq.kg{sup -1} for {sup 226}Ra, {sup 232}Th and {sup 40}K, respectively. These results, along with the estimated absorbed dose rates, annual effective dose rates, radium equivalent (Ra{sub eq}), external hazard index (H{sub ex}), internal hazard index (H{sub in}) and representative of the gamma index (I{gamma}r) are presented. The results obtained were below the internationally accepted safe limits. Therefore, the analyzed samples could be used in the local industries in the area as component raw materials and/or as building materials. Also, the mining activities of these minerals in the area have not significantly affected the natural radiation dose levels in the area, hence the resulting dose to the population is therefore considered generally low. (authors)

  20. EFFECTIVE CLASSROOM MANAGEMENT AND STUDENTS’ ACADEMIC PERFORMANCE IN SECONDARY SCHOOLS IN UYO LOCAL GOVERNMENT AREA OF AKWA IBOM STATE

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    I. N GEORGE

    2017-06-01

    Full Text Available This study was carried out to investigate Effective Classroom Management and Students’ Academic Performance in Secondary schools in Uyo Local Government Area. Four research questions and four null hypotheses were formulated to guide the study. The survey design was adopted for the study. The population of 2044 Senior Secondary School One (SS1 students with a sample of 200 students selected from 5 public secondary schools in 4 clans within the study area. A researcher – made questionnaire was used to elicit data from respondents. The research instrument has a 4-point rating scale and 25 items based on the study variables. The Pearson Product Moment (PPM Correlation Coefficient of 0.94 ascertained the reliability of instrument for use in the study. After the administration, scoring and collation of the instrument, the data obtained were subjected to the chi-square (X2 analysis. All the null hypotheses were tested at 0.05 level of significance. Based on the result of this study, it is concluded that SS1 students in the public Secondary Schools in Uyo Local Government Area differ significantly in terms of academic performance based on verbal instruction, corporal punishment, instructional supervision, delegation of authority to learners. It is recommended that teachers should be skilled in classroom management so as to influence students’ academic performance positively.

  1. Technical efficiency and its determinants in garden egg (Solanum spp production in Uyo Metropolis, Akwa Ibom State

    Directory of Open Access Journals (Sweden)

    Anselm A. Enete

    2010-06-01

    Full Text Available The study analyzed the technical efficiency and its determinants in garden egg production in Uyo metropolis using stochastic frontier analysis. A cost route approach was adopted in eliciting information from 90 garden egg farmers selected through simple random sampling technique. The results show that all the production variables analyzed were positive and statistically significant except capital. The implication is that the production function was an increasing function. The major determinants of efficiency were identified to be farm size and gender. Smaller farms were found to be more efficient than larger ones. This further supports Schultz’s (1964 hypothesis that small farms in developing countries are poor but efficient, and Mkhabela’s (2005 observation that small farmers are more efficient than large ones. In addition, men were found to be less technically efficient than women, perhaps also because women generally control smaller farm size than men. The results further revealed that the farmers were not fully technically efficient with a mean efficiency of 0.86. The mean efficiency could therefore be improved by 14% through better use of available resources. These observations suggest that providing an enabling environment for urban smallholder farmers and perhaps resource rationalization between men and women could enhance their productivity and hence help in reducing urban poverty.Cette étude analyse l’efficience technique et ses déterminants dans la production d’aubergines dans la métropole d’Uyo au moyen de l’analyse de frontière stochastique. C’est la méthode de l’enquête à visites multiples (cost-route qui a été choisie pour recueillir les informations auprès de 90 producteurs d’aubergines sélectionnés grâce à une technique d'échantillonnage aléatoire simple. Les résultats montrent que toutes les variables de production analysées sont positives et statistiquement significatives, sauf le capital. Cela signifie que la fonction de la production est une fonction croissante. La taille de l’exploitation et le sexe de l’exploitant ont été identifiés comme les principaux déterminants de l’efficience. Les petites exploitations se sont révélées être plus efficientes que les grandes. Cela corrobore l’hypothèse de Schultz (1964 selon laquelle les petites exploitations des pays en voie de développement sont pauvres mais efficientes, et l’observation de Mkhabela (2005 selon laquelle les petites exploitations sont plus efficientes que les grandes. En outre, les résultats montrent que l’efficience technique est plus élevée chez les femmes que chez les hommes, peut-être aussi parce que les femmes sont en général à la tête d’exploitations plus petites que les hommes. Les résultats ont également révélé que l’efficience technique des exploitants n’est pas maximale, avec une moyenne de 0,86. Une meilleure utilisation des ressources disponibles pourrait donc améliorer l’efficience moyenne de 14 %. Ces observations suggèrent qu'un environnement favorable aux petits exploitants et peut-être la rationalisation des ressources entre les hommes et les femmes pourrait augmenter leur productivité et donc aider à réduire la pauvreté urbaine.El estudio analizó la eficacia técnica y los determinantes en la producción de nakati etíope en la metrópolis de Uyo utilizando un análisis de fronteras estocásticas. Se adoptó un enfoque de itinerarios de coste para obtener información de 90 productores de nakati etíope seleccionados mediante una técnica sencilla de muestreo al azar. Los resultados indican que todas las variables de producción analizadas son significativas de manera positiva y estadística, salvo el capital. La inferencia es que la función de producción es una función en crecimiento. El tamaño de la producción y el género fueron identificados como los principales determinantes de la eficacia. Se observó que las plantaciones más pequeñas son más eficaces que las grandes. Esto también apoya el postulado de Schultz (1964 de que las pequeñas plantaciones en los países en vías de desarrollo son pobres pero eficaces, y la observación de Mkhabela (2005 de que los pequeños productores son más eficaces que los grandes. También se comprobó que los hombres son menos técnicamente eficaces que las mujeres, lo que quizás también se deba a que las mujeres generalmente controlan plantaciones más pequeñas que los hombres. Los resultados también permitieron constatar que los productores no son plenamente técnicamente eficaces, con una eficacia media de 0,86. La eficacia media podría así ser mejorada en 14 % mediante una mejor utilización de los recursos disponibles. Estas observaciones sugieren que brindar un entorno favorecedor a los minifundistas urbanos y quizás racionalizar los recursos entre hombres y mujeres podría mejorar su productividad, ayudando así a reducir la pobreza urbana.

  2. Major constraints affecting aquaculture development in Akwa Ibom ...

    African Journals Online (AJOL)

    The study contributes to nationwide attempts to enhance the contributions of aquaculture to the fishery subsector, and consequent overall gross domestic product of Nigeria, as well as to the protein intake of her citizenry. The focus is on the determination of the magnitude of constraints affecting aquaculture development in ...

  3. Christianity, Western Education and Development in Akwa Ibom ...

    African Journals Online (AJOL)

    1846-04-10

    The beginnings of that relationship go back to the 15th century, when the Portuguese Catholic Missionaries got to Benin and Warri, but it was rather sporadic until the 19th century with the arrival of the Presbyterian Church at Calabar on April 10, 1846 led by the Rev. Hope Masterton Waddell. Other missionaries were to ...

  4. Poverty and Environmental Degradation in Uyo Urban, Akwa Ibom ...

    African Journals Online (AJOL)

    The high level of poverty in the world today is a major force behind contemporary environmental problems. It is true that the degradation of our environment has been exacerbated by widespread poverty. Thus, it is virtually impossible to effectively discuss the idea of urban environmental sustainability without paying serious ...

  5. FACTORS INFLUENCING STUDENTS UNREST IN INSTITUTIONS OF HIGHER LEARNING AND ITS IMPLICATIONS ON THE ACADEMIC PERFORMANCE OF STUDENTS IN UNIVERSITY OF UYO, AKWA IBOM STATE, NIGERIA

    Directory of Open Access Journals (Sweden)

    Davies K.U

    2016-06-01

    Full Text Available Nigerians have for some time been disturbed by the alarming rate at which students' unrest in Nigerian institutions of higher learning have led to destruction of lives and property and untimely interruption of the planned academic programmes. On the basis of the above exposition, the project examined the concept of students’ unrest, factors that influence students’ unrest and its implication on the academic performance of students. A survey research design was adopted and a fifteen items questionnaire entitled "Factors Influencing Students’ Unrest in Institution of Higher Learning Questionnaire" (FISUIHLQ, was used to collect the data needed for analysis. Percentage, frequency count, and mean model were used to analyze the data collected. Items that fall between 0.50-1.49 mean score were considered Very Low, items that fall between 1.50-2.49 mean score were considered Low, items that fall between 2.50-3.49 mean score were considered Moderate, Items that fall between 3.50-4.49 mean score were considered High, while items that fall between mean scores of 4.50-5.00 were considered Very High. The study, therefore, discovered that breaking of rules and regulations, lack of social amenities and students involvement in cultism were seen as 'high' with mean scores of 2.60, 3.71 and 4.16 respectively, that is, they are serious factors that can influence students unrest in institutions of higher learning. While effective students’ union body and periodic strike by staff of the institution were seen as 'Low' with mean score of 2.21 and 1.96 respectively, that is, they are less serious factors that can influence students’ unrest. Also, it was discovered that disrupts of academic programmes, closure of schools, lecturers not unable to cover syllabus, and brain drain syndrome are the implications of students unrest with mean scores of 3.70,2.84,4.06,2.96 respectively were seen as ‘High’, that is, they are serious implication of students’ unrest. The best practices that should be observed by school authorities for effective control of students unrest were the use of dialogue, training of school administrators on crisis management, and presence of adequate infrastructure on campuses. Institutional heads would find the proposed recommendations as effective antidotes for effective control of students’ unrest in Nigerian institutions of higher learning.

  6. GLOBAL JOURNAL OF SOCIAL SCIENCES VOL 8, NO

    African Journals Online (AJOL)

    Ada

    Akwa Ibom State, Nigeria. O. O. Umoh, Department of Psychology, Faculty of Social Sciences, University of Uyo, Akwa Ibom. State, Nigeria .... research may be lost through misunderstanding ..... advertisement, the media also should be used to ...

  7. Costs And Returns Analysis Of Palm Wine Marketing In Uyo Area Of ...

    African Journals Online (AJOL)

    Costs And Returns Analysis Of Palm Wine Marketing In Uyo Area Of Akwa Ibom State, Nigeria. ... Abstract. This study examined the marketing of palm wine (Ukot) in Akwa Ibom State, Nigeria. The socio ... EMAIL FULL TEXT EMAIL FULL TEXT

  8. Diagnosis of ORF in West African dwarf goats in Uyo, Akwa Ibom ...

    African Journals Online (AJOL)

    Background: Sixty (60) male West African Dwarf goats were reported with clinical signs of enlarged lymph nodes, scabs on the mouth, nose and ears. Two of the goats died and post mortem examination reveals enlarged submandibular lymph nodes and vesicular lesions on the tongue. Clinical diagnosis of Orf has been ...

  9. Assessing the utilization of personnel in the management of ...

    African Journals Online (AJOL)

    The study assesses the utilization of technical teachers in Akwa Ibom State technical colleges. The study design was ex-post facto. Three research questions were formulated to guide the study. The population of the study consisted of all the technical colleges in Akwa Ibom State. Inventory method titled: ”Teaching ...

  10. Misconception of emergency contraception among tertiary school ...

    African Journals Online (AJOL)

    Objective: To assess the degree of awareness and use of emergency contraception among tertiary school students in Akwa Ibom State, Nigeria. Design: A self-administered questionnaire survey. Setting: The Akwa Ibom State Polytechnic, Ikot Osurua, located on the outskirts of Ikot Ekpene local government area between ...

  11. The Use of Ibibio Traditional Means of Communication | Okon ...

    African Journals Online (AJOL)

    The Ibibio are found in Akwa Ibom State, South-South Nigeria. With a population of about 4 million speakers living in Akwa Ibom and other states across Nigeria, there are the fourth largest ethnic group in Nigeria. They Ibibio as a people have several oral traditional means of communication, such as the use of plants, like ...

  12. Prevalence Of Micro-Organisms In Flies And Meat Cuts In Uyo ...

    African Journals Online (AJOL)

    Prevalence Of Micro-Organisms In Flies And Meat Cuts In Uyo Abattoir, Akwa Ibom State. ... A total of 100 samples, 50 each of fresh meat cuts and flies were aseptically collected from Iba-Oku Abattoir in Uyo, Akwa Ibom State periodically and ... The public health significance of these findings are discussed in the paper.

  13. Author Details

    African Journals Online (AJOL)

    Abasiubong, F. Vol 6, No 1 (2008) - Articles The Burden of Psychological Symptoms in Gynaecological Conditions among Women in Uyo, Akwa Ibom State, Nigeria. Abstract · Vol 6, No 2 (2008) - Articles Postpartum Depression among Women in Uyo, Akwa-Ibom State. Abstract · Vol 6, No 2 (2008) - Articles The Opinions ...

  14. assessing the utilization of personnel in the management of ...

    African Journals Online (AJOL)

    LUCY

    MANAGEMENT OF TECHNICAL EDUCATION IN AKWA IBOM. STATE, NIGERIA. ALOYSIUS O. UMOSEN. (Received 19, April 2011; Revision Accepted 16, June 2011). ABSTRACT. The study assesses the utilization of technical teachers in Akwa Ibom State technical colleges. The study design was ex-post facto.

  15. Spatial Distribution and Accessibility of Health Facilities in Akwa ...

    African Journals Online (AJOL)

    This paper therefore analyzed the spatial patterns of healthcare facilities in Akwa ... Data on six health indicator variables were obtained and analyzed to assess ... of healthcare facilities and thus hinders good access to high quality healthcare ...

  16. Ecological Survey of Valuable Non-Timber Plant Resources in Two ...

    African Journals Online (AJOL)

    Choice-Academy

    *Department of Forestry and Wildlife University of Uyo, Akwa Ibom State. Nigeria ... State. Twenty- three plant species with the distribution as Trees (7), .... Tropical Dry Deciduous Forest of Eastern Ghats in ... Island Press, Washington D.C..

  17. Browse Title Index

    African Journals Online (AJOL)

    Items 101 - 150 of 333 ... IN ITU LOCAL GOVERNMENT AREA OF AKWA IBOM STATE, NIGERIA, Abstract PDF .... Vol 8, No 1 (2009), Environmental risk management strategies: ... Vol 6, No 1 (2007), Evaluating the supply chain for interregional ...

  18. Nutrient Content of Four Lesser – Known Green Leafy Vegetables ...

    African Journals Online (AJOL)

    Nigeria. U. E. Inyang. Department of Food Science and Technology, University of Uyo, Uyo, AkwaIbom State, Nigeria ... Green leafy vegetables as components of traditional foods .... promoting benefits of high fibre diets have made this class.

  19. groundwater contribution to crop water requirement groundwater

    African Journals Online (AJOL)

    eobe

    R. I. Urama3. 1DEPARTMENT OF AGRICULTURAL ENGINEERING AKWA IBOM STATE UNIVERSITY, IKOT AKPADEN, NIGERIA ... The drums were sunk in the field at different depths. .... bottoms there was no barrier for upward movement.

  20. 2018-05-26T05:00:21Z https://www.ajol.info/index.php/index/oai oai ...

    African Journals Online (AJOL)

    ... joafss:ART Costs And Returns Analysis Of Palm Wine Marketing In Uyo Area Of ... This study examined the marketing of palm wine (Ukot) in Akwa Ibom State, ... the study were analyzed using descriptive statistics and cost-return analysis.

  1. Impact of Global Economic Crisis on Technical and Vocational ...

    African Journals Online (AJOL)

    User

    2011-05-20

    May 20, 2011 ... six Technical Colleges in Akwa Ibom State, Nigeria was used. A validated ... (ii) Government should stimulate the economy and create jobs to empower the ..... An Evaluation of the Objectives and Contents of. Introductory ...

  2. Download this PDF file

    African Journals Online (AJOL)

    Choice-Academy

    1987-09-23

    Sep 23, 1987 ... analyzed the spatial patterns of healthcare facilities in Akwa Ibom State against ... indicator variables were obtained and analyzed to assess the levels of ... of healthcare facilities and thus hinders good access to high quality.

  3. Comparative analysis of crayfish marketing in selected markets of ...

    African Journals Online (AJOL)

    Comparative analysis of crayfish marketing in selected markets of Akwa Ibom and Abia States, Nigeria. ... It specifically looked at market integration, costs and return, marketing margin, marketing ... EMAIL FULL TEXT EMAIL FULL TEXT

  4. Training Needs of Cooperative Members and Marketing of ...

    African Journals Online (AJOL)

    Training Needs of Cooperative Members and Marketing of Agricultural Products in Akwa Ibom State, Nigeria. ... of multi-purpose cooperative society members and the marketing of agricultural products ... EMAIL FULL TEXT EMAIL FULL TEXT

  5. Annals of Modern Education - Vol 5, No 1 (2013)

    African Journals Online (AJOL)

    Instructional Variables and Students' Acquisition of Employable Vocational Skills From Technical Colleges in Akwa Ibom State, Nigeria · EMAIL FULL TEXT EMAIL FULL TEXT DOWNLOAD FULL TEXT DOWNLOAD FULL TEXT. AE Udofia, AB Ekpo, EO Nsa, 60-71 ...

  6. Personality Profile of Teachers and their Students' Performance in ...

    African Journals Online (AJOL)

    The study investigated the effect of teachers' personality profile on students' academic performance in senior secondary modern physics in selected schools in Nsit Ibom Local Government Area of Akwa Ibom State. The survey research design was adopted. Two resercher-made instruments namely: Teachers' personality ...

  7. Investment-centred transitioning from agrarian-tourism economy to manufacturing in cross river state, south-eastern/south-south, Nigeria: A theoretical perspective and background

    Directory of Open Access Journals (Sweden)

    Ingwe Richard

    2014-01-01

    Full Text Available Embattled by ministries, departments and agencies of Nigeria’s federal government, that worked together with neighbouring (Akwa Ibom State government to remove Cross River State from the country’s oil-producing states entitled to receipt of larger statutory allocations compared to their counterparts, Cross River State Government’s policy of promoting regional development through attraction of foreign direct investment (FDI since 2009 is receiving praises. This article presents contexts, core-periphery theoretical perspectives, and comments elucidating intricacies of FDI-centred sub-national regional development strategizing in the context of phenomenal globalization of neoliberal capitalism. It is argued that the core-periphery theory’s current status promises ‘depressed’ sub-national regions the development strategies they require for transiting from backwardness to growth. This assertion derives from the theory’s encouragement of Nigeria’s ‘depressed’ sub-national regions to aspire towards applying innovative policies/instruments capable of reversing undesirable circumstances that sometimes surpass standards previously/currently attained by counterparts placed higher on the development ladder.

  8. A spatio-temporal synchronization of periodic markets: evidence ...

    African Journals Online (AJOL)

    This study seeks to identify the 'rings' of periodic market days in Akwa Ibom State, using eighteen periodic markets as case study The entire landmass of the state was covered with a network of grids. These grids were numbered and a table of random numbers was used in selecting a target population of eighteen ...

  9. 422 Effects of Seed Size on Germination and Early Morphorlogical ...

    African Journals Online (AJOL)

    User

    Indexed African Journals Online: www.ajol.info. An International ... Owoh, P. W. - Department of Forestry and Wildlife, University of Uyo,. Akwa Ibom State ... were assessed fortnightly while shoot dry weight (g/m) and root dry weight. (g/m) were ..... Nachagodoches, Texas, United State of American, 95p. Nwoboshi, L. C. ...

  10. A spatio-temporal synchronization of periodic markets: Evidence ...

    African Journals Online (AJOL)

    This study seeks to identify the 'rings' of periodic market days in Akwa Ibom State, using eighteen ... numbers was used in selecting a target population of eighteen communities in the hinterland of the state. ... The rural/traditional markets deal on low order goods and are mainly agricultural ... AJOL African Journals Online.

  11. Gender factors influencing technical efficiency of cassava farmers in ...

    African Journals Online (AJOL)

    This work was therefore conducted in Akwa Ibom state to examine factors influencing the technical efficiency of farmer groups in cassava production. In carrying out the study, 120 respondents were randomly selected from two agricultural zones in the State and interviewed with interview schedule. Data were analyzed using ...

  12. Community perception of the causes of maternal mortality among ...

    African Journals Online (AJOL)

    Context: Nigeria still has one of the highest maternal mortality rates in the world despite several intervention programmes aimed at its reduction. In Akwa Ibom state, Nigeria, maternal mortality has been found to be highest among the Annang speaking people of the state. Objective: The aim of this study was to ascertain the ...

  13. Ecological Survey of Valuable Non-Timber Plant Resources in Two ...

    African Journals Online (AJOL)

    The density and diversity of plant species producing valued non-timber products in two moist rainforests in Southeastern Nigeria were studied. The two forests are Cross-River North Forest Reserve, Cross River State and Stubbs Creek Forest Reserve, Akwa Ibom State. Twenty- three plant species with the distribution as ...

  14. performance evaluation of clay-sawdust composite filter for point

    African Journals Online (AJOL)

    user

    1,3 DEPARTMENT OF CIVIL ENGINEERING, UNIVERSITY OF NIGERIA, NSUKKA. ENUGU STATE. NIGERIA. 2,DEPARTMENT OF CIVIL ENGINEERING, AKWA IBOM STATE UNIVERSITY, MKPAT-ENIN. .... the ceramics studio of Arts Department, University of. Nigeria ..... Group Study, SANA-SP-86, National Aeronautics.

  15. An assessment of environmental sanitation in an urban community ...

    African Journals Online (AJOL)

    Inadequate environmental sanitation has been recognized as a public health hazard worldwide. In some Nigerian cities, living with waste as part of the natural environment has become a way of life. This study examined the sanitary condition of an urban community in Akwa Ibom State, Nigeria. It used a cross sectional ...

  16. Financial Control Measures and the Enhancement of Administrative ...

    African Journals Online (AJOL)

    This study was focused on the determination of the relationship between financial control measures and enhancement of administrative effectiveness of secondary school Principals in Akwa Ibom State. The choice of this topic was necessitated by the fact that despite the continuous personnel auditing conducted in the ...

  17. Comparative Analysis of Administrative Competencies of Male and ...

    African Journals Online (AJOL)

    The study aimed at comparing male and female secondary school principals\\' administrative competencies in supervision. The sample was made up of 60 male and 60 female principals totaling 120 randomly selected from 10 existing educational zones in Akwa Ibom State, Nigeria. Two hypotheses formed the basis of the ...

  18. Fish farmers' perceptions of constraints affecting aquaculture ...

    African Journals Online (AJOL)

    The study focused on fish farmers' perceptions of constraints affecting aquaculture development in Akwa-Ibom State of Nigeria. Random sampling procedure was used to select 120 respondents from whom primary data was collected. Data analysis was with the aid of descriptive statistics. Results show that fish farming ...

  19. Fatty acid composition of Dioscorea dumetorum (Pax) varieties ...

    African Journals Online (AJOL)

    The purpose of the present investigation was to study the fatty acid compositions of edible and wild Dioscorea dumetorum (Pax) varieties harvested from farms and forests of Ikot Akpanabia village in Akwa Ibom State, Nigeria in order to evaluate their nutritional and biochemical significance. Tubers were conveyed from farm ...

  20. Levels and occupational health risk assessment of trace metals in ...

    African Journals Online (AJOL)

    The levels of trace metals (Pb, Cu, Ni and Cd) were determined in soils from a major automobile repair workshop located in Uyo, Akwa Ibom State, Nigeria. This was carried out to evaluate the potential occupational risk to operators working in and around the site. The mean of trace metal levels were: lead (14.52 mg/kg); ...

  1. Optimization of divalent cation in Saccharomyces pastorianus ...

    African Journals Online (AJOL)

    USER

    2010-08-16

    Aug 16, 2010 ... 1Department of Food Science and Technology, University of Uyo, Akwa Ibom State, Nigeria. ... potential as a biofuel to replace fossil fuels (Rakin et al.,. 2009). It is one of ... agricultural products or waste materials (Rakin et al.,.

  2. Self-help initiatives and rural development in Ibesikpo community of ...

    African Journals Online (AJOL)

    This study investigates the impact of self-help initiatives on rural development in Ibesikpo community of Akwa Ibom State, Nigeria. Self help initiatives were defined in terms of provision of employment, education and health-care. A sample size of 369 rural dwellers was drawn and data were analyzed using simple regression ...

  3. Instructional Variables and Students' Acquisition of Employable ...

    African Journals Online (AJOL)

    This study focused on the impact of teacher quality, teaching methods, and access to training materials on students' acquisition of employable skills in vocational technical subjects, for self employment in Akwa Ibom State, Nigeria. Three questions and three hypotheses were formulated and tested in the study.

  4. Effects of nitrogen enrichment on heavy metals content of cattle ...

    African Journals Online (AJOL)

    The research was carried out at John Ker Nigeria Organo-Mineral Company site at Ikot Ekpene, Akwa Ibom State, Nigeria, to investigate the effect of nitrogen enrichment on contents of heavy metals in cattle dung/poultry manure compost and the growth of maize. Cattle dung was mixed with poultry manure in the ratio of 3:1 ...

  5. Communication in marital homes and work performance among ...

    African Journals Online (AJOL)

    This study investigated the influence of communication in marital homes on secondary school teachers work performance in Akwa Ibom State. One research question and one hypothesis were formulated to guide the study. The ex-post facto research design was used in the study. Using stratified random sampling technique, ...

  6. Browse Title Index

    African Journals Online (AJOL)

    Items 1 - 46 of 46 ... Vol 7, No 1 (2001), An economic study of palm oil marketing in Akwa Ibom state. ... on yield and yield component of watermelon (Citrullus lanatus thunb. ... Benth. seeds in response to stimulation by root exudates of groundnut ...

  7. Students' Involvement in Social Networking and Attitudes towards Its Integration into Teaching

    Science.gov (United States)

    Umoh, Ukeme Ekpedeme; Etuk, Etuk Nssien

    2016-01-01

    The study examined Students' Involvement in Social Networking and attitudes towards its Integration into Teaching. The study was carried out in the University of Uyo, Akwa Ibom State, Nigeria. The population of the study consisted of 17,618 undergraduate students enrolled into full time degree programmes in the University of Uyo for 2014/2015…

  8. Socio-economic determinants of production of pro-vitamin a cassava ...

    African Journals Online (AJOL)

    vitamin A Cassava varieties by farmers in Etim Ekpo L.G.A., Akwa Ibom State, Nigeria. One hundred and fifty-eight (158) respondents were selected through a multistage sampling procedure. Field data were elicited with the use of questionnaire ...

  9. Relationship between soil contents and plasma levels of selenium ...

    African Journals Online (AJOL)

    The soil contents of trace elements selenium, chromium and manganese were measured to determine their impact on the plasma levels of 160 healthy adult Nigerians in five different experimental locations in Cross River and Akwa Ibom States, South - South Nigeria. The mean (±SD) soil selenium, chromium and ...

  10. Response to different rates of nitrogen by five varieties of swamp rice

    African Journals Online (AJOL)

    A field experiment was conducted in 2011 and 2012 in Ini Local Government Area of Akwa Ibom State, Nigeria; mainly to determine the optimum nitrogen fertilizer rate for the area as well as select the rice varieties that responded optimally. A split plot design was used with five N rates (0, 50, 100, 150and 200kg/ha) as the ...

  11. A Comparative Study of Pattern of Substance Use in Two Nigerian ...

    African Journals Online (AJOL)

    Toshiba

    University of Uyo, Akwa Ibom State, Nigeria. E-mail: fesab200@yahoo.com ... Cigarettes and Indian hemp were high in both cities. Reasons for use were similar. This study has shown that substance use cuts across all boundaries in Nigeria.

  12. Aluminum and iron contents in phosphate treated swamp rice farm ...

    African Journals Online (AJOL)

    In 2006 aluminum and iron contents were determined in phosphate treated swamp rice farm of Mbiabet, Akwa Ibom State. The objectives were to determine the aluminum and iron contents, the effect of drying, phosphate and lime application in an acid sulphate soil grown to rice in Nigeria. The soil samples used were ...

  13. COMMUNITY HEALTH & PRIMARY HEALTH CARE

    African Journals Online (AJOL)

    adedamla

    compared the perceived availability of essential drugs and patronage of health facilities in a BI and non-BI Local government areas (LGA) of ... 2Medical Directorate, Hospitals Management Board, Uyo, Akwa Ibom State ... majority of the population in Malaysia had access to .... Ethical clearance for this study was obtained.

  14. analysis of rain rate and rain attenuation for earth-space

    African Journals Online (AJOL)

    Rain rate and rain attenuation predictions are vital when designing microwave satellite and terrestrial communication links, such as in the Ku and Ka bands. This paper presents the cumulative distribution functions (CDFs) of the predicted rain rate and rain attenuation for Uyo, Akwa Ibom State (AKS) (Latitude: 4.88°N, ...

  15. Levels of some heavy Metals in Cocoyam (Colocasia esculentum ...

    African Journals Online (AJOL)

    CEDEN

    Dept. of Chemistry, University of Uyo, Akwa Ibom State, Nigeria. 3Dept. of Plant Science and Biotechnology. University of Port Harcourt, Nigeria. ABSTRACT: The levels of some heavy metals in soil samples and tubers of cocoyam. (Colocasia esculentum) grown on soil receiving paint wastes (PWS) has been investigated.

  16. Psychoactive substance intake and gender on crime | Okediji ...

    African Journals Online (AJOL)

    This study investigated the influence of psychoactive substance (alcohol, marijuana, and cocaine) intake and gender on crime. Three hundred and eighty participants (380) were randomly selected from inmates as models of prisons in Uyo, Akwa Ibom State. The participants comprised 314 males (82.63%) and 66 females ...

  17. assessing the utilization of personnel in the management of ...

    African Journals Online (AJOL)

    LUCY

    Technical Education (NBTE). The study revealed that teaching personnel in technical colleges in Akwa. Ibom State possess the required qualifications and experience as stipulated by National Board for. Technical Education (NBTE).The teacher/ student ratios in the colleges are high and the teachers are fully utilized.

  18. Psychoactive substance intake and gender on crime | okediji ...

    African Journals Online (AJOL)

    This study investigated the influence of psychoactive substance (alcohol, marijuana, and cocaine) intake and gender on crime. Three hundred and eighty participants (380) were randomly selected from inmates as models of prisons in Uyo, Akwa Ibom State. The participants comprised 314 males (82.63%) and 66 females ...

  19. Physical fertility of degraded acid sands in South-eastern Nigeria ...

    African Journals Online (AJOL)

    We evaluated the physical fertility of degraded and undegraded acid sands in Akwa Ibom State, South-eastern Nigeria. The soils were similar in texture, being predominantly sandy, averaging 90.1% in degraded and 89.9% in undegraded soil. Bulk density averaged 1.50g/cm3 and 1.45g/cm3, while macropores averaged ...

  20. Browse Title Index

    African Journals Online (AJOL)

    Items 1 - 50 of 70 ... JO Olusina, JB Olaleye, AS Alademomi, TI Ojie. Vol 3, No 1 (2008), Crushing strength of concrete using maize cob ... IO Famakin, SA Makanjuola, O Adeniyi, TO Oladinrin. Vol 5, No 1 (2010), Implications of Spatial Pattern of Social Infrastructure Stock in the Development of Rural Areas of Akwa Ibom State.

  1. (UBE) in Nigeria

    African Journals Online (AJOL)

    Nekky Umera

    the effective management of Universal Basic Education in Akwa Ibom State of Nigeria. The hypotheses formulated ... administrators' literacy in financial management has no effect on the effective management of UBE. ... through free basic education schemes was held in Paris (Obanya, 2001,. 2002). Also, in April, 2002 in ...

  2. Sublethal Toxic effects of spent Oil Based Drilling Mud and Cuttings ...

    African Journals Online (AJOL)

    Sublethal toxic effects of spent oil based drilling mud collected from an abandoned oil drilling site in Mpanak, Akwa Ibom State, Nigeria were assessed in the earthworm Aporrectodea longa. The test annelid was exposed to sub-lethal Concentration of 0ppm SPP; 62,500ppm SPP; 125, 000ppm SPP; 250,000ppm SPP and ...

  3. Author Details

    African Journals Online (AJOL)

    Umoren, MA. Vol 35, No 1 (2016) - Computer, Telecommunications, Software, Electrical & Electronics Engineering ANALYSIS OF RAIN RATE AND RAIN ATTENUATION FOR EARTH-SPACE COMMUNICATION LINKS OVER UYO - AKWA IBOM STATE Abstract PDF · Vol 35, No 2 (2016) - Computer, Telecommunications, ...

  4. Browse Title Index

    African Journals Online (AJOL)

    Items 551 - 600 of 900 ... Vol 10, No 4 (2010), Nutrient composition and sensory properties of juice made from pitanga cherry (Eugenia uniflora L.) fruits, Abstract PDF. OC Nzeagwu, IA Onimawo. Vol 14, No 7 (2014), Nutrient composition and suitability of four commonly used local complementary foods in Akwa Ibom State, ...

  5. Effects of Reformulation of Knowledge and Expository Teaching ...

    African Journals Online (AJOL)

    This quasi-experimental study conducted in 2 co-educational secondary schools in Uyo Local Government Area of Akwa Ibom State, Nigeria investigated the effectiveness of reformulation of knowledge teaching approach in facilitating students' achievement in chemistry compared with the traditional expository method ...

  6. Author Details

    African Journals Online (AJOL)

    Etukudo, Itimitang Wilson. Vol 9, No 1 (2012) - Articles Socio-Economic Correlates of Fertility Behaviour Among Rural Women in Akwa Ibom State of South-South Nigeria Abstract. ISSN: 1813-2227. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

  7. Nature of work and Librarians' choice of library profession in tertiary ...

    African Journals Online (AJOL)

    The study investigated the nature of work and Librarians' choice of library profession as a career in tertiary institutions in Akwa Ibom and Cross River States of Nigeria . It also investigated nature of work as it relates with librarians' choice of library profession as a career. The survey design was used for the study.

  8. Human resources management and lecturer's job satisfaction in ...

    African Journals Online (AJOL)

    The study examines the extent to which the management of human resources by the administrators influence lecturers' job satisfaction in tertiary institutions in Akwa Ibom and Cross River States, Nigeria. The ex-post-facto research design was used for the study. The population of the study was 2286 lecturers from nine (9) ...

  9. Assessing the Dimensions of Organizational Culture on ...

    African Journals Online (AJOL)

    The influence of dimensions of organizational culture on organizational commitment was investigated in this paper. A convenient sample made up of Two hundred (200) participants was randomly selected from private and public institutions in Uyo, Akwa Ibom State. They were 113 males and 87 females whose age range ...

  10. Volume 9 Number 1

    African Journals Online (AJOL)

    OLUWOLE

    cassava stems in six different cassava-growing locations of Akwa Ibom State were .... up to one litre with distilled water. Twenty grammes each of agar and glucose were added. The mixture was boiled on a hot plate of a ... germ tubes.

  11. Setting up a child eye care centre: the Mercy Eye Hospital, Abak ...

    African Journals Online (AJOL)

    Aim: To document and share our experience in setting up a Child Eye Care Centre within a rural mission eye hospital and document subsequent development of services. Method: The location of the project was Mercy Eye Hospital (MEH) Abak, Akwa Ibom State in the South South zone of Nigeria). Consent to commence ...

  12. Effect of Health Education on the Riding Habits of Commercial ...

    African Journals Online (AJOL)

    METHODS: The intervention study was conducted among commercial motorcyclists in Uyo with controls from another town in Akwa Ibom State. Baseline information was collected from both groups on their riding habits. Motorcyclists in Uyo were educated on appropriate road safety practices. Data was collected from both ...

  13. Influence of Leadership Styles on Community Development ...

    African Journals Online (AJOL)

    Toshiba

    Influence of Leadership Styles on Community. Development Programmes' Implementation in. Rural Communities of Akwa Ibom State Nigeria. Okoji, Olufemi Onweazu - Department of Educational Management,. Lead City University, Ibadan, Nigeria. E-mail: femiokoji2008@yahoomail.com. Abstract. Community development ...

  14. Author Details

    African Journals Online (AJOL)

    Bazuaye, F. E.. Vol 14, No 2 (2015) - Articles Analysis of an economic order quantity and reorder point inventory control model for Siba group of companies in Utu Ikot Ekpenyong Ikot Ekpene, Akwa Ibom state-Nigeria Abstract · Vol 14, No 2 (2015) - Articles Convergence of hybrid methods for solving non-linear partial ...

  15. Effect of Sacoglottis gabonensis and Alstonia boonei on the kinetics ...

    African Journals Online (AJOL)

    GREGORY

    2010-08-30

    Aug 30, 2010 ... 1Department of Food Science and Technology, University of Uyo, PMB 1017, Uyo, Akwa Ibom State, Nigeria. ... beverage widely consumed in Southern Nigeria and other parts of the world ... wine becomes unacceptable to most consumers after about 24 h .... Assuming an ideal gas behaviour of CO2, then:.

  16. Levels of heavy metals in fish obtained from two fishing sites in ...

    African Journals Online (AJOL)

    Ekam

    Akwa Ibom State is located in the Niger Delta region of Nigeria and a substantial amount of the fishes consumed in the area are bought at Ifiayong and Ibaka beaches. This study was carried out to analyze heavy metals (Zn, Cu, Cd, Pb, Cr and As) in kidney, heart, gills and liver of silver catfish (Chrysichthys nigrodigitatus) ...

  17. International Journal of Science and Technology(STECH) Bahir Dar ...

    African Journals Online (AJOL)

    Nneka Umera-Okeke

    University of Uyo, Uyo,. Akwa Ibom State ... change, global warming and other related emissions has prompted several energy conservation .... up mostly of 2015/16 graduating students of Electrical/Electronics Engineering. Department ..... awareness and improving energy use behaviour in Malaysia Public. Universities.

  18. Dredging of the inland waters and sustainable management of the ...

    African Journals Online (AJOL)

    Nigerian Journal of Technological Research ... Inland waterways transportation is a key component of the intermodal transportation network and is essential to Nigeria's economy, environment and quality of life. IWT has a significant part to play in the states of Niger, Kogi, Anambra, Delta, Bayelsa, Rivers, Akwa-Ibom, Benue, ...

  19. Towards Food Security and Youth Participation in Community ...

    African Journals Online (AJOL)

    Counselling implications were raised to ensure food security in the two States, Cross River and Akwa Ibom and the nation at large such as reversing rural-urban migration to urban-rural migration, providing more social amenities in the rural areas, giving interest free loans and giving the youths adequate political education ...

  20. Effects Of Agricultural Extension On Cassava And Maize Production ...

    African Journals Online (AJOL)

    This study was carried out to assess the effects of agricultural extension on food production in Abak Agricultural zone of Akwa Ibom state. Specifically, the effect was measured using the productivity of small-scale maize and cassava farmers between the years 2004 and 2005. Data for the study were collected from 108 ...

  1. Management Of Indiscipline Among Teachers By Principals Of ...

    African Journals Online (AJOL)

    This study compared the management of indiscipline among teachers by public and private school principals in Akwa Ibom State. The sample comprised four hundred and fifty (450) principals/vice principals randomly selected from a population of one thousand, four hundred and twenty eight (1,428) principals. The null ...

  2. Rate of biodegradation of crude oil by microorganisms isolated from ...

    African Journals Online (AJOL)

    The rate of biodegradation of crude oil by micro-organisms isolated from crude oil sludge environment in Eket, Akwa Ibom State of Nigeria was studied. Mineral salt medium supplemented with crude oil was used and three most abundant species isolated from a crude oil sludged soil - Micrococcus varians, Bacillus subtilis ...

  3. motivational strategies and possible influence on secondary school ...

    African Journals Online (AJOL)

    UDUAK

    This study investigated the influence of motivational strategies on teachers' teaching performance in public secondary schools in Uyo – Urban, Akwa Ibom State. One hypothesis was formed to guide the study and Expo Facto design was adopted for the study. A sample of three hundred and sixty (360) teachers were ...

  4. African Research Review - Vol 7, No 1 (2013)

    African Journals Online (AJOL)

    Towards Food Security and Youth Participation in Community Development in Cross River and Akwa Ibom States: Implications for Counselling · EMAIL FREE FULL TEXT ... Determinant of Adoption Pattern of New Product/Services in Hotel Industry in Awka, Nigeria · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  5. Author Details

    African Journals Online (AJOL)

    Igwe, KC. Vol 41, No 1 (2010) - Articles Socioeconomic Determinants of Income From Fresh and Processed Crayfish Marketing in Oron Local Government Area of Akwa Ibom State, Nigeria. Abstract · Vol 43 (2012) - Articles Trend Analysis of Cassava Price and Growth Rate in Nigeria Abstract. ISSN: 0300-368X.

  6. Comparative effect of radioactive radiation on roots in a coastal and ...

    African Journals Online (AJOL)

    The detection of the radiation levels in root crops from Ibeno (an oil producing area) and Uyo, (a non oil producing area) in Akwa Ibom state was carried out. The radioactivity level in Cassava, Potato, Sweet yam, water yam and cocoyam was investigated. Result shows that the radiation level in root samples in Uyo ranges ...

  7. Study on agroforestry practices in Abak Local Government Area ...

    African Journals Online (AJOL)

    A study was carried out to assess the various agroforestry practices in Abak Local Government Area (LGA) of Akwa Ibom State, Nigeria. Structured questionnaires, physical observations and oral interview were used to collect data from agroforestry farmers (respondents) in the four clans (Abak, Otoro, Midim and ...

  8. The Burden of Psychological Symptoms in Gynaecological ...

    African Journals Online (AJOL)

    The Burden of Psychological Symptoms in Gynaecological Conditions among Women in Uyo, Akwa Ibom State, Nigeria. ... Nigerian Journal of Psychiatry ... Background: There is an increasing evidence of significant psychological symptoms (anxiety and depression) among a large percentage of women with gynaecological ...

  9. Nigerian Medical Practitioner - Vol 59, No 5-6 (2011)

    African Journals Online (AJOL)

    Mothers' Perception of The Need for Social Companionship During Labour in The University of Uyo Teaching Hospital, Uyo, Akwa Ibom State, Nigeria. EMAIL FULL TEXT EMAIL FULL TEXT · DOWNLOAD FULL TEXT DOWNLOAD FULL TEXT. AJ Umoiyoho, EC Inyang-Etoh, OG Shittu, 62-67.

  10. Multivariate time series modeling of selected childhood diseases in ...

    African Journals Online (AJOL)

    This paper is focused on modeling the five most prevalent childhood diseases in Akwa Ibom State using a multivariate approach to time series. An aggregate of 78,839 reported cases of malaria, upper respiratory tract infection (URTI), Pneumonia, anaemia and tetanus were extracted from five randomly selected hospitals in ...

  11. Gender and Leadership Style as Sociodemographic Indicators of ...

    African Journals Online (AJOL)

    The influence of Gender and Leadership Style on job satisfaction was investigated using two hundred (200) Civil Servants made up of 100 (males) and 100 (females) randomly selected from the population of civil servants in various Ministries of Akwa Ibom State Civil Service. The mean age of the participants was 37.53 ...

  12. Technological Attitude and Academic Achievement of Physics ...

    African Journals Online (AJOL)

    This research study was aimed at investigating the effect of technological attitude of students on academic achievement in Physics. Four co-education schools were randomly drawn from urban centers of Uyo and Abak Local Government Areas of Akwa Ibom State, Nigeria. This gave sample size of 110 senior secondary two ...

  13. The Effect of Physics in the Development of Indigenous Technology ...

    African Journals Online (AJOL)

    FIRST LADY

    Abstract. This study was an attempt to determine empirically the effect of physics in the development of indigenous technology (production of local talking drum and canoe) in Akwa Ibom State. A total of 70 indigenous technologists (40 canoe makers and 30 talking drum makers) from Ikot Abasi, Essien Udim and Ikot. Ekpene ...

  14. Self-Concept and Secondary School Students' Academic ...

    African Journals Online (AJOL)

    The purpose of this research was to investigate the influence of self concept on physics students' academic achievement in secondary schools. The study was conducted in Uyo LGA of Akwa Ibom State in Nigeria. A sample size of five hundred (500) senior secondary two physics students took part in the investigation.

  15. Annals of Modern Education - Vol 4, No 1 (2012)

    African Journals Online (AJOL)

    Home Background Variables and Technical Vocational Training of Secondary School Students in Akwa Ibom State During Global Economic Meltdown · EMAIL FULL TEXT EMAIL FULL TEXT DOWNLOAD FULL TEXT DOWNLOAD FULL TEXT. EO Nsa, EO Akpan, AA Offiong, PS Williams, 1-10 ...

  16. Can culture unite? An explorative gestalt of iwa akwa and seigbein festivals

    Directory of Open Access Journals (Sweden)

    NWANAJU UZOMA T.

    2013-06-01

    Full Text Available Festivals are important cultural values in an African society. In the modern times, people often tend to divorce themselves from these celebrations. Their argument is often based on religious grounds: festivals are fetish and offer nothing to human society. This paper then investigates the importance of festivals as it concerns societal harmonious co-existence. It poses the question: Can Culture Unite? IwaAkwa and Seigbein festivals of Ndi Igbo and the Ijaw people are chosen as case studies while ethnographic research methods involving participant observation, non-participant observation and interviews are adopted. At the end, it is observed that not only that festival unite people, they also serve major form of ethnographic identity. Their celebrations also encourage tourism and attract economic gains. The paper recommends not just a continuous sustenance of festivals but also investment in them for their longevity.

  17. Can culture unite? An explorative gestalt of iwa akwa and seigbein festivals

    Directory of Open Access Journals (Sweden)

    NWANAJU UZOMA T.

    2013-06-01

    Full Text Available  Festivals are important cultural values in an African society. In the modern times, people often tend to divorce themselves from these celebrations. Their argument is often based on religious grounds: festivals are fetish and offer nothing to human society. This paper then investigates the importance of festivals as it concerns societal harmonious co-existence. It poses the question: Can Culture Unite? IwaAkwa and Seigbein festivals of Ndi Igbo and the Ijaw people are chosen as case studies while ethnographic research methods involving participant observation, non-participant observation and interviews are adopted. At the end, it is observed that not only that festival unite people, they also serve major form of ethnographic identity. Their celebrations also encourage tourism and attract economic gains. The paper recommends not just a continuous sustenance of festivals but also investment in them for their longevity.

  18. Introduction

    African Journals Online (AJOL)

    Choice-Academy

    1987-09-23

    Sep 23, 1987 ... analyzed the spatial patterns of healthcare facilities in Akwa Ibom ... words: Accessibility, Health Facilities, Akwa Ibom, Nigeria, Overview .... Descriptive statistics ... inequality in facilities distribution is of crucial .... the 50 sampled rural communities using six .... terms of employment and working conditions.

  19. African Research Review - Vol 2, No 3 (2008)

    African Journals Online (AJOL)

    Strategies for Achieving Quality Assurance in Science Education in Akwa Ibom ... Strategies for Developing Teachers\\' Scientific Skills towards a Resourceful Teaching of Primary Science · EMAIL FREE FULL TEXT EMAIL FREE FULL TEXT

  20. 242 The Status of Material Resources for Effective Teaching of ...

    African Journals Online (AJOL)

    User

    2011-07-21

    Jul 21, 2011 ... Stephen, Utib-Abasi Scepter - Department of Science Education, University of Uyo, Uyo, Akwa Ibom ... (primary, secondary and tertiary). At the ... effective teaching and learning of physics, in our secondary schools therefore ...

  1. African Research Review - Vol 5, No 2 (2011)

    African Journals Online (AJOL)

    ... Variables as Determinants of Students Performance in English Studies in Akwa Ibom ... The Integration of ICT-Education in Teacher-Trainee Programmes in Tertiary ... Students' and Teachers' Participation in Decision-Making and Impact on ...

  2. SOCIOECONOMIC DEVELOPMENT INEQUALITIES AMONG ...

    African Journals Online (AJOL)

    Osondu

    and patterns in the socio-economic development in the study area.The pattern ... Department of Urban and Regional Planning ... perspective of network density of paved road ... available and a number of cooperative .... The case of Akwa Ibom.

  3. Uses and Gratifications of Social Networking Websites among Youths in Uyo, Nigeria

    OpenAIRE

    Uwem Akpan; Enobong Akwaowo; Nsikan Senam

    2013-01-01

    This study examined the Uses and Gratifications of Social Networking Websites among Youths in Uyo, the capital of Akwa Ibom State of Nigeria. The population of the study was 86,662 with a sample of 381 respondents derived from the multi-stage sampling procedure. The study used the survey method as the research technique while the measuring instrument was the questionnaire which contained 13 items – eight close-ended and five open-ended questions. The data for the study were analysed through t...

  4. Heavy Metals in Seafood and Farm Produce from Uyo, Nigeria; Levels and health implications

    Directory of Open Access Journals (Sweden)

    Orish E. Orisakwe

    2015-05-01

    Full Text Available Objectives: This study aimed to obtain representative data on the levels of heavy metals in seafood and farm produce consumed by the general population in Uyo, Akwa Ibom State, Nigeria, a region known for the exploration and exploitation of crude oil. Methods: In May 2012, 25 food items, including common types of seafood, cereals, root crops and vegetables, were purchased in Uyo or collected from farmland in the region. Dried samples were ground, digested and centrifuged. Levels of heavy metals (lead, cadmium, nickel, cobalt and chromium were analysed using an atomic absorption spectrophotometer. Average daily intake and target hazard quotients (THQ were estimated. Results: Eight food items (millet, maize, periwinkle, crayfish, stock fish, sabina fish, bonga fish and pumpkin leaf had THQ values over 1.0 for cadmium, indicating a potential health risk in their consumption. All other heavy metals had THQ values below 1.0, indicating insignificant health risks. The total THQ for the heavy metals ranged from 0.389 to 2.986. There were 14 items with total THQ values greater than 1.0, indicating potential health risks in their consumption. Conclusion: The regular consumption of certain types of farm produce and seafood available in Uyo, Akwa Ibom State, Nigeria, is likely adding to the body burden of heavy metals among those living in this region.

  5. Assessment of Participation of Churches in Social Forestry in Uyo ...

    African Journals Online (AJOL)

    These reasons, individually had significant (p<0.05) influence on respondents' unwillingness to plant trees on vacant lands. There is need for enlightenment campaigns in churches in Uyo LGA of Akwa Ibom, Nigeria, to deflate wrong beliefs that trees host evil spirits. Keywords: Participation, churches, social forestry, Uyo ...

  6. entrenching an efficient urban infrastructure development in uyo

    African Journals Online (AJOL)

    DJFLEX

    To each group, fifty questionnaires were administered using random sampling ... also visited such as Ministry of Works and Transport, Akwa Ibom Water Company Limited in Uyo. ... administration and economic needs oriented towards the ... control the impact of decay and obsolescence. .... ICT: Addressing the Challenges.

  7. TOXICITY OF SOME PLANTS IMPLICATED AS POISONS IN ...

    African Journals Online (AJOL)

    Different parts of eight plants implicated in Akwa Ibom ethnomedicinal literature as toxic were examined for toxicity in rats after oral and intraperitoneal administration. Only the ethanolic extract of S. indica leaves was toxic by both oral and intraperitoneal routes. The extract of C. edulis roots, E. kamerunica leaves, ...

  8. Effect of health education on the riding habits of commercial motorcyclists in Uyo, southern Nigeria.

    Science.gov (United States)

    Johnson, O E; Owoaje, E T

    2012-01-01

    The increasing number of motorcyclists in Nigeria has led to a rise in poor road safety practices leading to increased rate of accidents. This study was conducted to implement and evaluate the effect of safety education on riding habits of motorcyclists in Uyo, Nigeria. The intervention study was conducted among commercial motorcyclists in Uyo with controls from another town in Akwa Ibom State. Baseline information was collected from both groups on their riding habits. Motorcyclists in Uyo were educated on appropriate road safety practices. Data was collected from both groups three months later and analysed using the Statistical Package for Social Sciences version 11. A total of 200 respondents participated in the study, 100 per group. At 3 months post-intervention, those riding when tired reduced in the intervention group from 69% at baseline to 42% (p Safety education improved many riding habits of motorcyclists in the intervention group. Road safety education is recommended for all motorcyclists to ensure safer road use.

  9. Physico-chemical studies on adulteration of honey in Nigeria.

    Science.gov (United States)

    Lawal, R A; Lawal, A K; Adekalu, J B

    2009-08-01

    The extent of adulteration of honey samples from various geographical locations in Nigeria was evaluated. In order to ascertain the quality and extent of adulteration of the honey samples, the total titrable acidity, brix content, pH, colour, viscosity, moisture content, total solids, ash content, hydroxymethyl furfural and microbiological analysis were carried out. Honey samples from Akwa-Ibom, Ondo and Ogun had a high hydroxymethyl furfural with coliforms and total bacteria counts being absent, while honey samples from Shaki, Yola and Ibadan had a low hydroxymethyl furfural and some total viable counts were present in them. These results indicate that honey samples from Akwa-Ibom, Ondo and Ogun were completely free of adulteration. However, honey samples obtained from Shaki, Yola and Ibadan were discovered to have undergone some form of adulteration.

  10. Colorectal carcinomas in Uyo City, Southern geopolitical zone of Nigeria: a review of clinicopathological characteristics and literature

    Directory of Open Access Journals (Sweden)

    Emmanuel K. Abudu

    2016-06-01

    Full Text Available Colorectal carcinomas (CRC were initially thought to be rare in Africa including Nigeria, but recent studies have shown a reverse trend in our environment. This study is aimed to identify the clinical and pathological characteristics of CRC diagnosed between July 2006 and June 2015 in the University of Uyo Teaching Hospital, and a Private Specialist Laboratory, Uyo, Akwa Ibom State, Nigeria. All histological diagnosed cases of CRC seen in the two laboratories (University teaching and a private facility in Uyo, Akwa-Ibom state, Nigeria during the study period were retrieved noting their bio-data, pathological and clinical variables. A total of 45 patients of age range 26-80 years with a mean of 55.9 years (SD 3.9 and a male to female ratio of 1.4:1 were seen. The two most common age groups affected in CRCs were 61-70 years (28.9% and 51-60 years (24.4% respectively. Majority of CRC patients were older than 40 years (86.7% with identifiable predisposing factors being tubulo-villous adenoma (4 cases, 8.8%, villous adenoma (2 cases 4.4%, polyposis syndromes (2 cases, 4.4% and schistosomiasis (1 case, 2.2%. Features of large intestinal obstruction were the most common presenting symptom of CRC (53.3%. Rectal bleeding, alteration in bowel habit and fecal incontinence were other symptoms, accounting for 33.3%, 8.9% and 4.4% of cases respectively. Left-sided CRCs were commoner (68.9% with the majority appearing as annular-constricting type macroscopically (60.0%. Recto-sigmoid region was the preponderant site involved in CRC (29 cases, 64.5%. Adenocarcinoma (84.4% was the most frequent histological subtype. Mucinous carcinoma, signet ring carcinoma and carcinoid tumor were other histologic subtypes seen in 8.9, 4.4 and 2.2% of cases respectively. The 22.0% of CRC patients presented at advanced stages of the disease. It can be concluded that majority of CRC patients were older than 40 years (86.7% with features of intestinal obstruction (53.3% and

  11. Doubly Fed Induction Generator Analysis Through Wavelet Technique

    Directory of Open Access Journals (Sweden)

    M. E. Ekpenyong

    2014-01-01

    Full Text Available Outage probability is a key performance measure for real time traffic in wireless networks and is often considered as more critical than drop call probability. In this paper, we study the outage probability in a wireless mobile environment, where the interferers are distributed on the ground. Taking into consideration the background noise and the cell radius, we formulat e an out age p robabilit y model coup led wit h observed dat a from Airt el Nigeria form ally Z ain Communications Limited, a Telecommunication company operating in Nigeria and simulate the system’s performance using the Java programming language. We also present a geographical information system (GIS solution showing the distribution of signal outages at various base stations in Akwa Ibom State (East region of Nigeria for observed and simulated data. A performance evaluation of these data reveals that our model could greatly improve the system’s performance. The results obtained allow us to study the stability of the network and evaluate the network in a more efficient and accurate manner.

  12. Histopathologic prolife of primary gastrointestinal malignancies in Uyo city (Niger-delta region of Nigeria

    Directory of Open Access Journals (Sweden)

    Emmanuel K. Abudu

    2016-04-01

    Full Text Available Incidence of gastrointestinal malignancy is gradually increasing. The aim of the study is to investigate age, sex and relative frequencies of various gastrointestinal malignancies diagnosed between January 2007 and December 2014 in the University of Uyo Teaching Hospital, and in a Private Specialist Laboratory, Uyo, Akwa Ibom State, Nigeria. All histological-diagnosed cases of gastrointestinal malignancies seen during the study period were recruited noting their bio-data and histopathological characteristics. A total of 67 patients aged 6-77 years (mean 58.0, SD 7.4 were enrolled; a male to female ratio of 1.3:1 was recorded. The most common age group and anatomical site affected with gastrointestinal malignancy were 61-70 years (23 cases, 34.3% and colo-rectum cancers (36 cases, 53.7%. The small intestine and stomach were second and third leading anatomic sites involved in gastrointestinal malignancies, accounting for 13 (19.4% and 8 (11.9% cases respectively. Adenocarcinoma accounted for the majority of gastrointestinal malignancies (57 cases, 85.1%. Lymphoma and carcinoid tumor were also common, accounting for 3 (4.5% cases each. Colorectal carcinoma was the most common type of gastrointestinal malignancies (53.7% with adenocarcinoma being the predominant histological subtype of gastrointestinal malignancies.

  13. The Impact of Intestinal Parasitic Infections on the Nutritional Status of Rural and Urban School-Aged Children in Nigeria.

    Science.gov (United States)

    Opara, Kenneth N; Udoidung, Nsima I; Opara, Dominic C; Okon, Okpok E; Edosomwan, Evelyn U; Udoh, Anietie J

    2012-01-01

    Intestinal parasitic infection and undernutrition are still major public health problems in poor and developing countries. The objective of this study was to assess the relationship between intestinal parasitic infection and nutritional status in 405 primary school children from rural and urban areas of Akwa Ibom State, Nigeria. This cross-sectional survey in 2009 obtained anthropometric data, height-for-age (HA), weight-for-height (WH) and weight-for-age (WA) Z-scores from each child and fecal samples were also collected and screened for intestinal parasites using standard parasitological protocols. The prevalence of infection with any intestinal parasite was 67.4%. A total of six intestinal parasites were detected; hookworm (41.7%) had the highest prevalence. The prevalence of intestinal parasites and undernutrition was significantly higher in rural than in urban children (Prural and urban children were 42.3% vs. 29.7%; underweight 43.2% vs. 29.6% and wasting 10.9% vs. 6.4%, respectively. With respect to nutritional indicators, the infected children had significantly (Pmalnutrition, controlling these parasites could increase the physical development and well-being of the affected children.

  14. Faecal Waste Disposal and Environmental Health Status in a Nigerian Coastal Settlement of Oron

    Directory of Open Access Journals (Sweden)

    Edet E. Ikurekong

    2008-10-01

    Full Text Available AIM/BACKGROUND: This research investigated the relationship between faecal waste disposal and the environmental health status of the inhabitants of Oron LGA, of Akwa Ibom State, Nigeria. The objectives were to identify the methods of faecal disposal; identify the incidence of faecal waste related diseases and the pattern and types of diseases occurrence in the study area. METHOD: 400 households were randomly selected for interview from 17 villages of the study area. Ground and surface water samples were spatially collected and analysed to determine their quality. These include streams, boreholes pipe-borne, and rain and river water from the 17 villages. RESULTS: The result shows that both the qualitative and quantitative aspect of the major sources of drinking water supply are at variance with the established national and international standards. The stepwise multiple regression models applied proved the validity of population demographic characteristics, unhygienic environment and poor quality of water supply as factors that enhance the incidence and vulnerability of the population to faecal waste related disease occurrence. CONCLUSION: The study recommends sustainable strategies towards the management of human faecal waste and related diseases in the study area. [TAF Prev Med Bull 2008; 7(5.000: 363-368

  15. Teachers Assessment of Secondary School Effectiveness in Akwa ...

    African Journals Online (AJOL)

    unique firstlady

    UBE, 2002). School effectiveness therefore involves effective learning and teaching, planning and organizing teaching, guidance and counselling and school leadership and school ethos. One of the priorities resolved upon at the 2000 World.

  16. Comparison of nucleotide sequences of recent and previous lineages of peste-des-petits-ruminants viruses of sheep and goats in Nigeria

    Directory of Open Access Journals (Sweden)

    Samuel Mantip

    2016-08-01

    Full Text Available Peste-des-petits-ruminants virus (PPRV is a highly contagious, fatal and economically important viral disease of small ruminants that is still endemic and militates against the production of sheep and goats in endemic areas of the world. The aim of this study was to describe the viral strains within the country. This was carried out by collecting tissue and swab samples from sheep and goats in various agro-ecological zones of Nigeria. The phylogeny of archived PPRV strains or isolates and those circulating and causing recent outbreaks was determined by sequencing of the nucleoprotein (N-gene. Twenty tissue and swab samples from apparently healthy and sick sheep and goats were collected randomly from 18 states, namely 3 states in each of the 6 agro-ecological zones visited. A total of 360 samples were collected. A total of 35 samples of 360 (9.7% tested positive by reverse transcriptase–polymerase chain reaction, of which 25 were from oculo-nasal swabs and 10 were from tissue samples. Neighbour-joining phylogenetic analysis using Phylogenetic Analysis Using Parsimony (PAUP identified four different lineages, that is, lineages I, II, III and IV. Interestingly, the Nigerian strains described in this study grouped in two separate major lineages, that is, lineages II and IV. Strains from Sokoto, Oyo, Plateau and Ondo states grouped according to the historical distribution of PPRV together with the Nigerian 75/1 strain of lineage II, while other strains from Sokoto, Oyo, Plateau, Akwa-Ibom, Adamawa, Kaduna, Lagos, Bauchi, Niger and Kano states grouped together with the East African and Asian strains of lineage IV. This finding confirms that both lineage II and IV strains of PPRV are circulating in Nigeria. Previously, only strains of lineage II were found to be present in the country.

  17. What Is the Economic Burden of Subsidized HIV/AIDS Treatment Services on Patients in Nigeria and Is This Burden Catastrophic to Households?

    Science.gov (United States)

    Etiaba, Enyi; Onwujekwe, Obinna; Torpey, Kwasi; Uzochukwu, Benjamin; Chiegil, Robert

    2016-01-01

    A gap in knowledge exists regarding the economic burden on households of subsidized anti-retroviral treatment (ART) programs in Nigeria. This is because patients also incur non-ART drug costs, which may constrain the delivery and utilisation of subsidized services. An exit survey of adults (18+years) attending health facilities for HIV/AIDS treatment was conducted in three states in Nigeria (Adamawa, Akwa Ibom and Anambra). In the states, ART was fully subsidized but there were different payment modalities for other costs of treatment. Data was collected and analysed for direct and indirect costs of treatment of HIV/AIDS and co-morbidities' during out-and in-patient visits. The levels of catastrophic health expenditure (CHE) were computed and disaggregated by state, socio-economic status (SES) and urban-rural location of the respondents. Catastrophic Health Expenditure (CHE) in this study measures the number of respondents whose monthly ART-related household expenditure (for in-patient and out-patient visits) as a proportion of monthly non-food expenditure was greater than 40% and 10% respectively. The average out-patient and in-patient direct costs were $5.49 and $122.10 respectively. Transportation cost was the highest non-medical cost and it was higher than most medical costs. The presence of co-morbidities contributed to household costs. All the costs were catastrophic to households at 10% and 40% thresholds in the three states, to varying degrees. The poorest SES quintile had the highest incidence of CHE for out-patient costs (ptravel costs, and subsidy on other components of HIV treatment services should be introduced to eliminate the persisting inequitable and high cost burden of ART services. Full inclusion of ART services within the benefit package of the National Health Insurance Scheme should be considered.

  18. Sustaining Small Scale Farming: Evidence of Poverty and income Disparity among Rural Farming Households in South-South Region of Nigeria

    Directory of Open Access Journals (Sweden)

    Sunday B. Akpan

    2016-09-01

    Full Text Available The incidence of poverty is evidenced among rural farm households in developing societies. As a result of persistence poverty among rural farm households, there is a sudden upsurge in agricultural livelihood diversification and rural-urban migration resulting in high rate of urban unemployment. To help generate suitable policy variables to help tackle this rampaging issue in the South- south region of Nigeria, this study specifically analyses poverty and income inequality as well as identified determinants of poverty among rural farm households in Akwa Ibom State, Nigeria. Data were collected from 390 rural farm household heads spread across the rural areas of the State. Combination of sampling methods was employed to sample cross-sectional data from respondents. The study used descriptive tools and regression analysis (Tobit regressions to analyse information collected. The socio-economic analysis reveals that most farming household heads were male; an average of 12.3 years of formal was discovered; social capital formation was poor, while average age stood at 42.5 years. About 33.08 % of male headed households and 22.05 % of female-headed households live below poverty line in the study area. Income inequality index revealed 0.4210 for male headed households and 0.4531 for the female counterpart. The Tobit model estimates revealed that, household head farming experience, years in the social organisation, a level of formal education, farm and non-farm income were negative drivers of rural poverty in the region. Household’s age, household size, structure of land ownership and gender were positive drivers of poverty among rural farming households. It is recommended that sound family welfare packages should be implemented in the rural communities. Also, the social capital formation should be promoted among rural farming households, while adult education policies should be re-visited. The government of the region should also improve educational

  19. Assessment of spatial distrilbution of porosity and aquifer geohydraulic parameters in parts of the Tertiary - Quaternary hydrogeoresource of south-eastern Nigeria

    Science.gov (United States)

    George, N. J.; Akpan, A. E.; Akpan, F. S.

    2017-12-01

    An integrated attempt exploring information deduced from extensive surface resistivity study in three Local Government Areas of Akwa Ibom State, Nigeria and data from hydrogeological sources obtained from water boreholes have been explored to economically estimate porosity and coefficient of permeability/hydraulic conductivity in parts of the clastic Tertiary - Quaternary sediments of the Niger Delta region. Generally, these parameters are predominantly estimated from empirical analysis of core samples and pumping test data generated from boreholes in the laboratory. However, this analysis is not only costly and time consuming, but also limited in areal coverage. The chosen technique employs surface resistivity data, core samples and pumping test data in order to estimate porosity and aquifer hydraulic parameters (transverse resistance, hydraulic conductivity and transmissivity). In correlating the two sets of results, Porosity and hydraulic conductivity were observed to be more elevated near the riverbanks. Empirical models utilising Archie's, Waxman-Smits and Kozeny-Carman Bear relations were employed characterising the formation parameters with wonderfully deduced good fits. The effect of surface conduction occasioned by clay usually disregarded or ignored in Archie's model was estimated to be 2.58 × 10-5 Siemens. This conductance can be used as a corrective factor to the conduction values obtained from Archie's equation. Interpretation aided measures such as graphs, mathematical models and maps which geared towards realistic conclusions and interrelationship between the porosity and other aquifer parameters were generated. The values of the hydraulic conductivity estimated from Waxman-Smits model was approximately 9.6 × 10-5m/s everywhere. This revelation indicates that there is no pronounced change in the quality of the saturating fluid and the geological formations that serve as aquifers even though the porosities were varying. The deciphered parameter

  20. The Impact of Intestinal Parasitic Infections on the Nutritional Status of Rural and Urban School-Aged Children in Nigeria

    Directory of Open Access Journals (Sweden)

    Kenneth N. Opara, PhD

    2012-11-01

    Full Text Available Objectives:Intestinal parasitic infection and undernutrition are still major public health problems in poor and developing countries. The objective of this study was to assess the relationship between intestinal parasitic infection and nutritional status in 405 primary school children from rural and urban areas of Akwa Ibom State, Nigeria.Methods:This cross-sectional survey in 2009 obtained anthropometric data, height-for-age (HA, weight-for-height (WH and weight-for-age (WA Z-scores from each child and fecal samples were also collected and screened for intestinal parasites using standard parasitological protocols.Results:The prevalence of infection with any intestinal parasite was 67.4%. A total of six intestinal parasites were detected; hookworm (41.7% had the highest prevalence. The prevalence of intestinal parasites and undernutrition was significantly higher in rural than in urban children (P<0.001. The prevalence of stunting (HAZ < -2, underweight (WAZ < -2 and wasting (WHZ < -2 for rural and urban children were 42.3% vs. 29.7%; underweight 43.2% vs. 29.6% and wasting 10.9% vs. 6.4%, respectively. With respect to nutritional indicators, the infected children had significantly (P<0.05 higher z-scores than the uninfected children. Multivariate logistic regression analysis showed that only Hookworm and Ascaris lumbricoides were each significantly (P<0.05 associated with stunting, wasting, and underweight.Conclusions and Public Health Implications:Since intestinal parasitic infections are associated with malnutrition, controlling these parasites could increase the physical development and well-being of the affected children.

  1. Risk factors for chronic kidney disease in Urban Uyo, South-South, Nigeria

    Directory of Open Access Journals (Sweden)

    Effiong Ekong Akpan

    2016-01-01

    Full Text Available The prevalence of chronic kidney disease (CKD is increasing the world over, and it is now regarded as a public health problem. The prevalence of CKD in Nigeria remained largely unknown with hospital-based data of 2-8%. However, emerging community studies show a prevalence of 10-26.8%. This study was conducted during the 2013 world kidney day activities in Uyo, Akwa Ibom, State of Nigeria, with an estimated population of 554,906 people. Sensitizations of members of the public were ensured through the media. Trained nurses of the dialysis unit were recruited for the exercise. A well-structured questionnaire was used to collect demographic data and medical history. Subjects also had measurements of their blood pressure, random blood sugar, urinalysis, serum creatinine, and anthropometric data. Five hundred and two adults (70.6% females and 29.4% males aged 18-78 years participated in the study. A family history of CKD was found in 4.3% of the study participants. The risk factors for CKD investigated in this population included hypertension, diabetes mellitus, obesity, proteinuria, and hematuria. The prevalence of hypertension in this sample was 30.16% [95% confidence interval (CI 26.14-34.18%]. Only 12.58% (95% CI 9.54-15.61% were aware of their hypertension status. There was an increasing trend in the proportion of individuals with hypertension in each higher 10 years age group (P = 0.03. The independent predictors of hypertension in this cohort were age and body mass index. The proportion of those with diabetes mellitus in the study population was 5.8% (95% CI 3.7-7.8%. Obesity was found in 31.8% individuals′ proteinuria in 23.5% and hematuria in 3.0%. There is a high prevalence of risk factors for CKD in our population. Therefore, screening for early detection should be encouraged.

  2. State of the States

    Science.gov (United States)

    Journal of Education Finance, 2017

    2017-01-01

    In 2016, a group of school finance scholars and public school practitioners gathered in Jacksonville, Florida, for the National Education Finance Academy's annual conference to discuss, among an array of topics, the state of P-20 finance in all 50 states. At the roundtable discussion, 36 states were represented, and scholars representing 30 states…

  3. What Is the Economic Burden of Subsidized HIV/AIDS Treatment Services on Patients in Nigeria and Is This Burden Catastrophic to Households?

    Directory of Open Access Journals (Sweden)

    Enyi Etiaba

    Full Text Available A gap in knowledge exists regarding the economic burden on households of subsidized anti-retroviral treatment (ART programs in Nigeria. This is because patients also incur non-ART drug costs, which may constrain the delivery and utilisation of subsidized services.An exit survey of adults (18+years attending health facilities for HIV/AIDS treatment was conducted in three states in Nigeria (Adamawa, Akwa Ibom and Anambra. In the states, ART was fully subsidized but there were different payment modalities for other costs of treatment. Data was collected and analysed for direct and indirect costs of treatment of HIV/AIDS and co-morbidities' during out-and in-patient visits. The levels of catastrophic health expenditure (CHE were computed and disaggregated by state, socio-economic status (SES and urban-rural location of the respondents. Catastrophic Health Expenditure (CHE in this study measures the number of respondents whose monthly ART-related household expenditure (for in-patient and out-patient visits as a proportion of monthly non-food expenditure was greater than 40% and 10% respectively.The average out-patient and in-patient direct costs were $5.49 and $122.10 respectively. Transportation cost was the highest non-medical cost and it was higher than most medical costs. The presence of co-morbidities contributed to household costs. All the costs were catastrophic to households at 10% and 40% thresholds in the three states, to varying degrees. The poorest SES quintile had the highest incidence of CHE for out-patient costs (p<0.0001. Rural dwellers incurred more CHE for all categories of costs compared to urban dwellers, but the costs were statistically significant for only outpatient costs.ART subsidization is not enough to eliminate economic burden of treatment on HIV patients. Service decentralization to reduce travel costs, and subsidy on other components of HIV treatment services should be introduced to eliminate the persisting inequitable

  4. Assessment of spatial distrilbution of porosity and aquifer geohydraulic parameters in parts of the Tertiary – Quaternary hydrogeoresource of south-eastern Nigeria

    Directory of Open Access Journals (Sweden)

    N.J. George

    2017-12-01

    Full Text Available An integrated attempt exploring information deduced from extensive surface resistivity study in three Local Government Areas of Akwa Ibom State, Nigeria and data from hydrogeological sources obtained from water boreholes have been explored to economically estimate porosity and coefficient of permeability/hydraulic conductivity in parts of the clastic Tertiary – Quaternary sediments of the Niger Delta region. Generally, these parameters are predominantly estimated from empirical analysis of core samples and pumping test data generated from boreholes in the laboratory. However, this analysis is not only costly and time consuming, but also limited in areal coverage. The chosen technique employs surface resistivity data, core samples and pumping test data in order to estimate porosity and aquifer hydraulic parameters (transverse resistance, hydraulic conductivity and transmissivity. In correlating the two sets of results, Porosity and hydraulic conductivity were observed to be more elevated near the riverbanks. Empirical models utilising Archie’s, Waxman-Smits and Kozeny-Carman Bear relations were employed characterising the formation parameters with wonderfully deduced good fits. The effect of surface conduction occasioned by clay usually disregarded or ignored in Archie’s model was estimated to be 2.58 × 10−5 Siemens. This conductance can be used as a corrective factor to the conduction values obtained from Archie’s equation. Interpretation aided measures such as graphs, mathematical models and maps which geared towards realistic conclusions and interrelationship between the porosity and other aquifer parameters were generated. The values of the hydraulic conductivity estimated from Waxman-Smits model was approximately 9.6 × 10−5m/s everywhere. This revelation indicates that there is no pronounced change in the quality of the saturating fluid and the geological formations that serve as

  5. Reducing mother-to-child transmission of HIV: findings from an early infant diagnosis program in south-south region of Nigeria

    Directory of Open Access Journals (Sweden)

    Anoje Chukwuemeka

    2012-03-01

    Full Text Available Abstract Background Early diagnosis of HIV in infants provides a critical opportunity to strengthen follow-up of HIV-exposed children and assure early access to antiretroviral (ARV treatment for infected children. This study describes findings from an Early Infant Diagnosis (EID program and the effectiveness of a prevention of mother-to-child transmission (PMTCT intervention in six health facilities in Cross-River and Akwa-Ibom states, south-south Nigeria. Methods This was a retrospective study. Records of 702 perinatally exposed babies aged six weeks to 18 months who had a DNA PCR test between November 2007 and July 2009 were reviewed. Details of the ARV regimen received to prevent mother-to-child transmission (MTCT, breastfeeding choices, HIV test results, turn around time (TAT for results and post test ART enrolment status of the babies were analysed. Results Two-thirds of mother-baby pairs received ARVs and 560 (80% babies had ever been breastfed. Transmission rates for mother-baby pairs who received ARVs for PMTCT was 4.8% (CI 1.3, 8.3 at zero to six weeks of age compared to 19.5% (CI 3.0, 35.5 when neither baby nor mother received an intervention. Regardless of intervention, the transmission rates for babies aged six weeks to six months who had mixed feeding was 25.6% (CI 29.5, 47.1 whereas the transmission rates for those who were exclusively breastfed was 11.8% (CI 5.4, 18.1. Vertical transmission of HIV was eight times (AOR 7.8, CI: 4.52-13.19 more likely in the sub-group of mother-baby pairs who did not receive ARVS compared with mother-baby pairs that did receive ARVs. The median TAT for test results was 47 days (IQR: 35-58. A follow-up of 125 HIV positive babies found that 31 (25% were enrolled into a paediatric ART program, nine (7% were known to have died before the return of their DNA PCR results, and 85 (67% could not be traced and were presumed to be lost-to-follow-up. Conclusion Reduction of MTCT of HIV is possible with

  6. Accessibility levels to potable Water Supply in Rural Areas of Akwa ...

    African Journals Online (AJOL)

    ... of 50 rural communities were sampled using table of random numbers. Community heads or their spokesmen/women in the sampled areas were target respondents and data on major sources of water supply, distance to the nearest major source of water supply and the number of water boreholes in the communities were ...

  7. Design of Fashion Accessories Using Akwa-Ocha Motifs and Symbols

    African Journals Online (AJOL)

    Nneka Umera-Okeke

    Nkpopu: holes. 16. Osikapa na ... accessories anchors in both social semiotics and archetypal theories. Social semiotics theory as ... the two earrings incorporate the Onwa (moon) motif in spherical shape and in black colour. They are held ...

  8. Accessibility levels to potable Water Supply in Rural Areas of Akwa ...

    African Journals Online (AJOL)

    `123456789jkl''''#

    1987-09-23

    Sep 23, 1987 ... number of water boreholes in the communities were collected and analyzed. The population of the communities provided a basis for evolving an index that measured the levels of access to potable water supply in the study area. The use of GIS was subsequently employed to map out the study area on the ...

  9. FAILED STATE

    African Journals Online (AJOL)

    Dr. Miles R. Cone

    The state and society are mutual symbionts as far as their political, economic and social relationships .... consequences have played a role in the African state's deviation from the 'strong state' ideal. .... International Olympic Committee (IOC).

  10. Bridging the gap between policy and administration of cultural ...

    African Journals Online (AJOL)

    Ibom state, South East Nigeria, with the emphasis on matters relating to policy and administration and their effect on educational projects and community development. The focus of this paper is on the dance practice of the state as seen in the ...

  11. Payment - State

    Data.gov (United States)

    U.S. Department of Health & Human Services — Payment measures – state data. This data set includes state-level data for the payment measures associated with an episode of care for heart attack, heart failure,...

  12. Supersqueezed states from squeezed states

    International Nuclear Information System (INIS)

    Nieto, M.M.

    1992-01-01

    Using super-Baker-Campbell-Hausdorff relations on the elements of the supergroup OSP(2/2), we derive the supersqueeze operator and the supersqueezed states, which are the supersymmetric generalization of the squeezed states of the harmonic oscillator

  13. The antibacterial potentials of Nauclea latifolia

    African Journals Online (AJOL)

    STORAGESEVER

    2008-05-16

    May 16, 2008 ... Ibom and Cross River State of Nigeria and also in most parts of the ... laboratory Technology, Vom and the Bacterial research Laboratory,. National ... With the aid of a sterile wire loop, colonies of fresh cultures of the different ..... sanguinolenta Extract. Proc. Int. syp. On East – West Med. Seoul, korea: ...

  14. Excited states

    CERN Document Server

    Lim, Edward C

    1974-01-01

    Excited States, Volume I reviews radiationless transitions, phosphorescence microwave double resonance through optical spectra in molecular solids, dipole moments in excited states, luminescence of polar molecules, and the problem of interstate interaction in aromatic carbonyl compounds. The book discusses the molecular electronic radiationless transitions; the double resonance techniques and the relaxation mechanisms involving the lowest triplet state of aromatic compounds; as well as the optical spectra and relaxation in molecular solids. The text also describes dipole moments and polarizab

  15. Multiquark states

    International Nuclear Information System (INIS)

    Wang, F.; Ping, J.L.; Quing, D.; Goldman, T.

    2005-01-01

    The pentaquark state recently discovered has been discussed based on various quark model calculations. Odd parity for the state cannot be ruled out theoretically because the contributions related to nontrivial color structures have not been studied completely. Other multiquark states, especially dibaryons, have been discussed also. A strangeness -3 NΩ dibaryons, have been shown to have a width as small as 12-22 keV and should be detectable in Ω-high-productivity reactions such as at RHIC, COMPAS, and the planned JHF and FAIR projects [ru

  16. Altered States

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

    But as members of the international community, we can take advantage of .... The connections and their effects, between people and states, are not just more ...... children's IQs and are linked to attention disorders, aggression, and delinquency.

  17. State Climatologist

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Quarterly newsletter published by the American Association of State Climatologists. Library includes volumes 1 through 21, for the years 1977-1997.

  18. State Averages

    Data.gov (United States)

    U.S. Department of Health & Human Services — A list of a variety of averages for each state or territory as well as the national average, including each quality measure, staffing, fine amount and number of...

  19. HCAHPS - State

    Data.gov (United States)

    U.S. Department of Health & Human Services — A list of the state averages for the HCAHPS survey responses. HCAHPS is a national, standardized survey of hospital patients about their experiences during a recent...

  20. Rydberg states

    International Nuclear Information System (INIS)

    Brouillard, F.

    1983-01-01

    This chapter considers the formation of Rydberg atoms; their radiative decay; their behavior in electric and electromagnetic fields; and their collisions with atoms and ions. Discusses electron capture into high excited states; laser excitation of Rydberg states; Stark shift and Stark mixing; field ionization; ionization in oscillating fields; thermal collisions of Rydberg atoms; fast collisions of Rydberg atoms; n-changing collisions; and charge exchange. Points out that a large amount of experimental work has been done on collisions of Rydberg atoms with neutral perturbers at thermal energies, and most of it concerns the destruction of Rydberg alkali atoms in collisions with rare gases

  1. State Treasure

    Science.gov (United States)

    Olson, Cathy Applefeld

    2013-01-01

    When a music teacher is named Teacher of the Year for an entire state, one just know a special story awaits. The narrative of Heidi Welch, director of music at Hillsboro-Deering High School in New Hampshire, does not disappoint. Welch, who grew up in abject poverty and was often homeless, developed her love of music through memorizing and singing…

  2. FAILED STATE

    African Journals Online (AJOL)

    Dr. Miles R. Cone

    colonial history is the 'artificial nature' of Africa's state borders and the notion that statehood ..... Source: Central Intelligence Agency, 2003b. Scientia .... As a virtue of the lack of faith in the country's banking system, this move had the opposite ...

  3. RIVER STATE

    African Journals Online (AJOL)

    principals randomly selected from one hundred secondary schools in Cross River State. The data collected ... There was no siyriificant influerlce of gender on principals' leadership styles effectiveness. ... result of the cultural stereotyping of males and females by .... schools were single sex boys, another 10 were single sex ...

  4. State of the States 2016: Arts Education State Policy Summary

    Science.gov (United States)

    Aragon, Stephanie

    2016-01-01

    The "State of the States 2016" summarizes state policies for arts education identified in statute or administrative code for all 50 states and the District of Columbia. Information is based on a comprehensive search of state education statute and codes on each state's relevant websites. Complete results from this review are available in…

  5. The relationship between red blood cell distribution width and blood pressure in patients with type 2 diabetes mellitus in Lagos, Nigeria

    Directory of Open Access Journals (Sweden)

    Dada OA

    2014-09-01

    Full Text Available Olusola Akinola Dada,1 Ebele Uche,2 Akinsegun Akinbami,2 Majeed Odesanya,3 Sarah John-Olabode,4 Adewumi Adediran,5 Olajumoke Oshinaike,1 Anthonia Okeoghene Ogbera,1 Olaitan Okunoye,6 Olanrewaju Arogundade,2 Kingsley Aile,7 Timothy Ekwere8 1Department of Medicine, Lagos State University, 2Department of Haematology and Blood Transfusion, Lagos State University, College of Medicine, Ikeja, Nigeria; 3Oak Hospitals, Ikorodu, Lagos, Nigeria; 4Department of Haematology, Ben Carson School of Medicine, Babcock University, Ilisan-Remo, Ogun State, 5Department of Haematology, Faculty of Clinical Sciences, College of Medicine, University of Lagos, Idiaraba, 6Department of Medicine, University of Port Harcourt, River State, 7Department of Haematology and Blood Transfusion, Lagos State University Teaching Hospital, Ikeja, Nigeria; 8Department of Haematology and Blood Transfusion, University of Uyo, Akwa Ibom, Nigeria Background: High red blood cell distribution width (RDW is related to impairment of erythropoiesis, reflecting chronic inflammation and increased levels of oxidative stress, both of which are telltale signs of type 2 diabetics. The aim of this study was to evaluate the relationship between the RDW and fasting blood sugar/blood pressure, and compare the results from diabetics with nondiabetic controls. Methods: This was an unmatched case-control study involving 200 participants consisting of 100 diabetics and 100 nondiabetic controls. Blood (4.5 mL was collected from all of the diabetics and nondiabetic controls, and placed into EDTA anticoagulant tubes. A full blood count was performed using the Sysmex KX-21N, a three-part auto analyzer able to run 19 parameters per sample, including RDW. Blood pressure was measured during sample collection and in a sitting position. Results: The mean fasting blood sugar level was 95.20±30.10 mg/dL in the controls, and 147.85±72.54 mg/dL in the diabetics. The mean blood pressures for diabetics was 138/90 mm

  6. State perspectives

    International Nuclear Information System (INIS)

    Neill, R.H.

    1985-01-01

    Expectations by States in fulfilling their responsibilities in the disposal of radioactive wastes as defined in the Nuclear Waste Policy Act are discussed. Specific areas include informational needs, participation in the process of site selection and characterization, access to technical data in a timely manner, and development of consultation and cooperation agreements. Experiences in New Mexico over the past seven years in conducting an independent technical review of the WIPP Project are described. A discussion is included of avoidable factors that contribute to public concern of radioactive waste disposal on relative risk, voluntary versus involuntary risk, technological needs, changes in disposal practices, public health concerns and enforcement of regulations

  7. State of the States, 2012: Arts Education State Policy Summary

    Science.gov (United States)

    Arts Education Partnership (NJ1), 2012

    2012-01-01

    The "State of the States 2012" summarizes state policies for arts education identified in statute or code for all 50 states and the District of Columbia. Information is based primarily on results from the AEP Arts Education State Policy Survey conducted in 2010-11, and updated in April 2012.

  8. Quantum States Transfer by Analogous Bell States

    International Nuclear Information System (INIS)

    Mei Di; Li Chong; Yang Guohui; Song Heshan

    2008-01-01

    Transmitting quantum states by channels of analogous Bell states is studied in this paper. We analyze the transmitting process, constructed the probabilitic unitary operator, and gain the largest successful transfer quantum state probability.

  9. Employee, State of Alaska

    Science.gov (United States)

    Business Resources Division of Corporations, Business & Professional Licensing Dept. of Commerce Benefits Resources State Employee Directory State Calendar State Training: LearnAlaska State Travel Manager) Web Mail (Outlook) Login Who to Call Health Insurance Insurance Benefits Health and Optional

  10. Optimal resource states for local state discrimination

    Science.gov (United States)

    Bandyopadhyay, Somshubhro; Halder, Saronath; Nathanson, Michael

    2018-02-01

    We study the problem of locally distinguishing pure quantum states using shared entanglement as a resource. For a given set of locally indistinguishable states, we define a resource state to be useful if it can enhance local distinguishability and optimal if it can distinguish the states as well as global measurements and is also minimal with respect to a partial ordering defined by entanglement and dimension. We present examples of useful resources and show that an entangled state need not be useful for distinguishing a given set of states. We obtain optimal resources with explicit local protocols to distinguish multipartite Greenberger-Horne-Zeilinger and graph states and also show that a maximally entangled state is an optimal resource under one-way local operations and classical communication to distinguish any bipartite orthonormal basis which contains at least one entangled state of full Schmidt rank.

  11. Sweeping the State Space

    DEFF Research Database (Denmark)

    Mailund, Thomas

    The thesis describes the sweep-line method, a newly developed reduction method for alleviating the state explosion problem inherent in explicit-state state space exploration. The basic idea underlying the sweep-line method is, when calculating the state space, to recognise and delete states...... that are not reachable from the currently unprocessed states. Intuitively we drag a sweep-line through the state space with the invariant that all states behind the sweep-line have been processed and are unreachable from the states in front of the sweep-line. When calculating the state space of a system we iteratively...

  12. Alaska State Trails Program

    Science.gov (United States)

    Recreation Search DNR State of Alaska Home Menu Parks Home Alaska State Trails Boating Safety Design and Home / Alaska State Trails Alaska State Trails Program Trails in the Spotlight Glacier Lake and Saddle Trails in Kachemak State Park Glacier Lake A Popular route joins the Saddle and Glacier Lake Trails. The

  13. State Traffic Safety Information

    Data.gov (United States)

    Department of Transportation — The State Traffic Safety Information (STSI) portal is part of the larger Fatality Analysis Reporting System (FARS) Encyclopedia. STSI provides state-by-state traffic...

  14. State Transportation Statistics 2014

    Science.gov (United States)

    2014-12-15

    The Bureau of Transportation Statistics (BTS) presents State Transportation Statistics 2014, a statistical profile of transportation in the 50 states and the District of Columbia. This is the 12th annual edition of State Transportation Statistics, a ...

  15. State Park Trails

    Data.gov (United States)

    Minnesota Department of Natural Resources — This data set is a collection of ArcView shapefiles (by park) of trails within statutory boundaries of individual MN State Parks, State Recreation Areas and State...

  16. State Park Statutory Boundaries

    Data.gov (United States)

    Minnesota Department of Natural Resources — Legislative statutory boundaries for sixty six state parks, six state recreation areas, and eight state waysides. These data are derived principally from DNR's...

  17. Minimally conscious state or cortically mediated state?

    Science.gov (United States)

    Naccache, Lionel

    2018-04-01

    Durable impairments of consciousness are currently classified in three main neurological categories: comatose state, vegetative state (also recently coined unresponsive wakefulness syndrome) and minimally conscious state. While the introduction of minimally conscious state, in 2002, was a major progress to help clinicians recognize complex non-reflexive behaviours in the absence of functional communication, it raises several problems. The most important issue related to minimally conscious state lies in its criteria: while behavioural definition of minimally conscious state lacks any direct evidence of patient's conscious content or conscious state, it includes the adjective 'conscious'. I discuss this major problem in this review and propose a novel interpretation of minimally conscious state: its criteria do not inform us about the potential residual consciousness of patients, but they do inform us with certainty about the presence of a cortically mediated state. Based on this constructive criticism review, I suggest three proposals aiming at improving the way we describe the subjective and cognitive state of non-communicating patients. In particular, I present a tentative new classification of impairments of consciousness that combines behavioural evidence with functional brain imaging data, in order to probe directly and univocally residual conscious processes.

  18. State nuclear initiatives in the United States

    International Nuclear Information System (INIS)

    Strauss, P.L.; Stoiber, C.R.

    1977-01-01

    The paper deals with State nuclear initiatives regarding the role of nuclear power in the energy future of the United States. The question of whether and under what circumstances nuclear facilities should be used to generate electricity was put to the popular vote in several States in 1976. Some general principles of Federal-State relations are discussed with specific reference to nuclear regulations. The initiative mechanism itself is described as well as its legal form and background. The parallel developments in the State and Federal legislative consideration of nuclear issues is reviewed and the suggested reasons for the defeat of the proposals in the seven States concerned are discussed. Finally, the author draws some conclusions on the effects of the 1976 initiatives on future decision-making in the US on energy policy in general and nuclear power in particular. (NEA) [fr

  19. Transcriptome States Reflect Imaging of Aging States.

    Science.gov (United States)

    Eckley, D Mark; Coletta, Christopher E; Orlov, Nikita V; Wilson, Mark A; Iser, Wendy; Bastian, Paul; Lehrmann, Elin; Zhang, Yonqing; Becker, Kevin G; Goldberg, Ilya G

    2018-06-14

    In this study, we describe a morphological biomarker that detects multiple discrete subpopulations (or "age-states") at several chronological ages in a population of nematodes (Caenorhabditis elegans). We determined the frequencies of three healthy adult states and the timing of the transitions between them across the lifespan. We used short-lived and long-lived strains to confirm the general applicability of the state classifier and to monitor state progression. This exploration revealed healthy and unhealthy states, the former being favored in long-lived strains and the latter showing delayed onset. Short-lived strains rapidly transitioned through the putative healthy state. We previously found that age-matched animals in different age-states have distinct transcriptome profiles. We isolated animals at the beginning and end of each identified state and performed microarray analysis (principal component analysis, relative sample to sample distance measurements, and gene set enrichment analysis). In some comparisons, chronologically identical individuals were farther apart than morphologically identical individuals isolated on different days. The age-state biomarker allowed assessment of aging in a novel manner, complementary to chronological age progression. We found hsp70 and some small heat shock protein genes are expressed later in adulthood, consistent with the proteostasis collapse model.

  20. Tomography of nonclassical states

    NARCIS (Netherlands)

    Bazrafkan, MR; Man'ko, [No Value

    2003-01-01

    A review of the symplectic tomography method is presented. Superpositions of different types of photon states are considered within the framework of the tomography approach. Such nonclassical photon states as even and odd coherent states, crystallized Schrodinger cat states, and other superposition

  1. The State and Corporatism

    DEFF Research Database (Denmark)

    Kaspersen, Lars Bo; Schmidt-Hansen, Ulrich

    in corporatist theory. In particular, we draw upon a conceptualization of the state developed by Michael Mann and Eric Nordlinger's different forms of state autonomy. We propose a state-centered theoretical focus enabling us to grasp the role of the state in the dynamics of the corporatist system. In the second...... to the development of the `Danish model', but that these actors were often orchestrated by the state. At crucial moments the direction of these different actors was even determined by the state. In the first part of the article, it is argued that the state has been under-theorized and to some extent neglected...

  2. Photon virtual bound state

    International Nuclear Information System (INIS)

    Inoue, J.; Ohtaka, K.

    2004-01-01

    We study virtual bound states in photonics, which are a vectorial extension of electron virtual bound states. The condition for these states is derived. It is found that the Mie resonant state which satisfies the condition that the size parameter is less than the angular momentum should be interpreted as a photon virtual bound state. In order to confirm the validity of the concept, we compare the photonic density of states, the width of which represents the lifetime of the photon virtual bound states, with numerical results

  3. Solid state video cameras

    CERN Document Server

    Cristol, Y

    2013-01-01

    Solid State Video Cameras reviews the state of the art in the field of solid-state television cameras as compiled from patent literature. Organized into 10 chapters, the book begins with the basic array types of solid-state imagers and appropriate read-out circuits and methods. Documents relating to improvement of picture quality, such as spurious signal suppression, uniformity correction, or resolution enhancement, are also cited. The last part considerssolid-state color cameras.

  4. Quantum-state discrimination

    International Nuclear Information System (INIS)

    Roa, Luis; Retamal, Juan Carlos; Saavedra, Carlos

    2002-01-01

    A proposal for a physical implementation of a quantum-state discrimination protocol using an ion in a linear trap is studied, where two nonorthogonal quantum states are codified using two electronic states of the ion. In addition, a protocol is given for discriminating superpositions of nonorthogonal entangled states between ions inside widely separated optical cavities. The discrimination protocol is extended to the case of N linearly independent nonorthogonal quantum states lying in a space of 2N-1 dimensions

  5. Verification of hypergraph states

    Science.gov (United States)

    Morimae, Tomoyuki; Takeuchi, Yuki; Hayashi, Masahito

    2017-12-01

    Hypergraph states are generalizations of graph states where controlled-Z gates on edges are replaced with generalized controlled-Z gates on hyperedges. Hypergraph states have several advantages over graph states. For example, certain hypergraph states, such as the Union Jack states, are universal resource states for measurement-based quantum computing with only Pauli measurements, while graph state measurement-based quantum computing needs non-Clifford basis measurements. Furthermore, it is impossible to classically efficiently sample measurement results on hypergraph states unless the polynomial hierarchy collapses to the third level. Although several protocols have been proposed to verify graph states with only sequential single-qubit Pauli measurements, there was no verification method for hypergraph states. In this paper, we propose a method for verifying a certain class of hypergraph states with only sequential single-qubit Pauli measurements. Importantly, no i.i.d. property of samples is assumed in our protocol: any artificial entanglement among samples cannot fool the verifier. As applications of our protocol, we consider verified blind quantum computing with hypergraph states, and quantum computational supremacy demonstrations with hypergraph states.

  6. Crystallized Schroedinger cat states

    International Nuclear Information System (INIS)

    Castanos, O.; Lopez-Pena, R.; Man'ko, V.I.

    1995-01-01

    Crystallized Schroedinger cat states (male and female) are introduced on the base of extension of group construction for the even and odd coherent states of the electromagnetic field oscillator. The Wigner and Q functions are calculated and some are plotted for C 2 , C 3 , C 4 , C 5 , C 3v Schroedinger cat states. Quadrature means and dispersions for these states are calculated and squeezing and correlation phenomena are studied. Photon distribution functions for these states are given explicitly and are plotted for several examples. A strong oscillatory behavior of the photon distribution function for some field amplitudes is found in the new type of states

  7. Most energetic passive states.

    Science.gov (United States)

    Perarnau-Llobet, Martí; Hovhannisyan, Karen V; Huber, Marcus; Skrzypczyk, Paul; Tura, Jordi; Acín, Antonio

    2015-10-01

    Passive states are defined as those states that do not allow for work extraction in a cyclic (unitary) process. Within the set of passive states, thermal states are the most stable ones: they maximize the entropy for a given energy, and similarly they minimize the energy for a given entropy. Here we find the passive states lying in the other extreme, i.e., those that maximize the energy for a given entropy, which we show also minimize the entropy when the energy is fixed. These extremal properties make these states useful to obtain fundamental bounds for the thermodynamics of finite-dimensional quantum systems, which we show in several scenarios.

  8. Excited states v.6

    CERN Document Server

    Lim, Edward C

    1982-01-01

    Excited States, Volume 6 is a collection of papers that discusses the excited states of molecules. The first paper discusses the linear polyene electronic structure and potential surfaces, considering both the theoretical and experimental approaches in such electronic states. This paper also reviews the theory of electronic structure and cites some experimental techniques on polyene excitations, polyene spectroscopic phenomenology, and those involving higher states of polyenes and their triplet states. Examples of these experimental studies of excited states involve the high-resolution one-pho

  9. Drug Poisoning Mortality by State: United States

    Data.gov (United States)

    U.S. Department of Health & Human Services — This dataset describes drug poisoning deaths at the U.S. and state level by selected demographic characteristics, and includes age-adjusted death rates for drug...

  10. The Welfare State vs. the Redistributive State.

    Science.gov (United States)

    Plattner, Marc F.

    1979-01-01

    While the principles of progressive taxation and the welfare state have come to be almost universally accepted, it would be a serious error to infer that American policy has ever embraced the idea of income redistribution. (Author)

  11. State diagrams of tokamaks and state transitions

    International Nuclear Information System (INIS)

    Minardi, E.

    1992-01-01

    In a simple one-fluid cylindrical model of transport and of dissipative effects, the family of the magnetic states of the Tokamak which correspond to a vanishing entropy production in the confinement region is characterized by a define relation or ''state equation'' involving the relevant parameters of the discharge. An investigation is made as to how the entropy production changes when the current density profile is rearranged by a perturbation which conserves the poloidal magnetic flux. It is shown that for a sufficiently short time interval, that is to say t 2 E τ s where τ E is the energy confinement time and τ s is the resistive time, neighbouring bifurcating equilibria exist which can be reached with a flux-conserving transition and with increase of the magnetic entropy. The family of these new states can also be characterized by a state equation involving the relevant discharge parameters. When the state equations of the two families are simultaneously satisfied by the same set of parameter values, a flux-conserving, entropy-increasing transition may take place between states of the two families. The modifications of the current density and of the temperature profiles involved in the transition and the conditions that the discharge parameters should satisfy in order that the transition could occur are investigated. (author)

  12. STATE_SYSTEM

    Data.gov (United States)

    Kansas Data Access and Support Center — This dataset is a single centerline highway network representation of the 10,000 miles Kansas State Highway System (Interstate, U.S., and Kansas routes). The state...

  13. State Capitalism in Eurasia

    NARCIS (Netherlands)

    C. Spechler, Martin; Ahrens, Joachim; Hoen, Herman W.

    2017-01-01

    The book specifies the type of economic system that has arisen in Central Asian. It presents three types of state-capitalism established in the former Soviet Union states in Eurasia - crony, dual sector, and predatory capitalism.

  14. Stats of the States

    Science.gov (United States)

    ... and age-adjusted death rates from unintentional injuries/accidents. Stroke Mortality by State, 2013 - Number of deaths and age-adjusted death rates from cerebrovascular disease. Alzheimer's Disease Mortality by State, 2013 - Number ...

  15. Complications and Deaths - State

    Data.gov (United States)

    U.S. Department of Health & Human Services — Complications and deaths - state data. This data set includes state-level data for the hip/knee complication measure, the Agency for Healthcare Research and Quality...

  16. Complications and Deaths - State

    Data.gov (United States)

    U.S. Department of Health & Human Services — Complications and deaths - state data. This data set includes state-level data for the hip/knee complication measure, the CMS Patient Safety Indicators, and 30-day...

  17. State Water Districts

    Data.gov (United States)

    California Natural Resource Agency — State Water Project District boundaries are areas where state contracts provide water to the district in California. This database is designed as a regions polygon...

  18. State Program Integrity Reviews

    Data.gov (United States)

    U.S. Department of Health & Human Services — State program integrity reviews play a critical role in how CMS provides effective support and assistance to states in their efforts to combat provider fraud and...

  19. Malaria Treatment (United States)

    Science.gov (United States)

    ... Providers, Emergency Consultations, and General Public. Contact Us Malaria Treatment (United States) Recommend on Facebook Tweet Share Compartir Treatment of Malaria: Guidelines For Clinicians (United States) Download PDF version ...

  20. Heart Attack Payment - State

    Data.gov (United States)

    U.S. Department of Health & Human Services — Payment for heart attack patients measure – state data. This data set includes state-level data for payments associated with a 30-day episode of care for heart...

  1. State Transportation Statistics 2010

    Science.gov (United States)

    2011-09-14

    The Bureau of Transportation Statistics (BTS), a part of DOTs Research and Innovative Technology Administration (RITA), presents State Transportation Statistics 2010, a statistical profile of transportation in the 50 states and the District of Col...

  2. State transportation statistics 2009

    Science.gov (United States)

    2009-01-01

    The Bureau of Transportation Statistics (BTS), a part of DOTs Research and : Innovative Technology Administration (RITA), presents State Transportation : Statistics 2009, a statistical profile of transportation in the 50 states and the : District ...

  3. State Transportation Statistics 2011

    Science.gov (United States)

    2012-08-08

    The Bureau of Transportation Statistics (BTS), a part of DOTs Research and Innovative Technology Administration (RITA), presents State Transportation Statistics 2011, a statistical profile of transportation in the 50 states and the District of Col...

  4. 7 CFR 1220.615 - State and United States.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 10 2010-01-01 2010-01-01 false State and United States. 1220.615 Section 1220.615... CONSUMER INFORMATION Procedures To Request a Referendum Definitions § 1220.615 State and United States. State and United States include the 50 States of the United States of America, the District of Columbia...

  5. 7 CFR 1220.129 - State and United States.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 10 2010-01-01 2010-01-01 false State and United States. 1220.129 Section 1220.129... CONSUMER INFORMATION Soybean Promotion and Research Order Definitions § 1220.129 State and United States. The terms State and United States include the 50 States of the United States of America, the District...

  6. 7 CFR 1209.21 - State and United States.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 10 2010-01-01 2010-01-01 false State and United States. 1209.21 Section 1209.21... Definitions § 1209.21 State and United States. (a) State means any of the several States, the District of Columbia, and the Commonwealth of Puerto Rico. (b) United States means collectively the several States of...

  7. Changing State Digital Libraries

    Science.gov (United States)

    Pappas, Marjorie L.

    2006-01-01

    Research has shown that state virtual or digital libraries are evolving into websites that are loaded with free resources, subscription databases, and instructional tools. In this article, the author explores these evolving libraries based on the following questions: (1) How user-friendly are the state digital libraries?; (2) How do state digital…

  8. Solid state radiation dosimetry

    International Nuclear Information System (INIS)

    Moran, P.R.

    1976-01-01

    Important recent developments provide accurate, sensitive, and reliable radiation measurements by using solid state radiation dosimetry methods. A review of the basic phenomena, devices, practical limitations, and categories of solid state methods is presented. The primary focus is upon the general physics underlying radiation measurements with solid state devices

  9. Determinants of State Aid

    NARCIS (Netherlands)

    Buiren, K.; Brouwer, E.

    2010-01-01

    From economic theory we derive a set of hypotheses on the determination of state aid. Econometric analysis on EU state aid panel data is carried out to test whether the determinants we expect on the basis of theory, correspond to the occurrence of state aid in practice in the EU. We find that

  10. Matrix product state description of Halperin states

    Science.gov (United States)

    Crépel, V.; Estienne, B.; Bernevig, B. A.; Lecheminant, P.; Regnault, N.

    2018-04-01

    Many fractional quantum Hall states can be expressed as a correlator of a given conformal field theory used to describe their edge physics. As a consequence, these states admit an economical representation as an exact matrix product state (MPS) that was extensively studied for the systems without any spin or any other internal degrees of freedom. In that case, the correlators are built from a single electronic operator, which is primary with respect to the underlying conformal field theory. We generalize this construction to the archetype of Abelian multicomponent fractional quantum Hall wave functions, the Halperin states. These can be written as conformal blocks involving multiple electronic operators and we explicitly derive their exact MPS representation. In particular, we deal with the caveat of the full wave-function symmetry and show that any additional SU(2) symmetry is preserved by the natural MPS truncation scheme provided by the conformal dimension. We use our method to characterize the topological order of the Halperin states by extracting the topological entanglement entropy. We also evaluate their bulk correlation lengths, which are compared to plasma analogy arguments.

  11. Remote state preparation through hyperentangled atomic states

    Science.gov (United States)

    Nawaz, Mehwish; ul-Islam, Rameez-; Ikram, Manzoor

    2018-04-01

    Hyperentangled states have enhanced channel capacity in quantum processing and have yielded` evident increased communication speed in quantum informatics as a consequence of excessively high information content coded over each quantum entity. In the present article, we intend to demonstrate this fact by utilizing atomic states simultaneously entangled both in internal as well as external degrees of freedom, i.e. the de Broglie motion for remote state preparation (RSP). The results clearly demonstrate that we can efficiently communicate two bit information while manipulating only a single quantum subsystem. The states are prepared and manipulated using atomic Bragg diffraction as well as Ramsey interferometry, both of which are now considered as standard, state of the art tools based on cavity quantum electrodynamics. Since atomic Bragg diffraction is a large interaction time regime and produces spatially well separated, decoherence resistant outputs, the schematics presented here for the RSP offer important perspectives on efficient detection as well as unambiguous information coding and readout. The article summarizes the experimental feasibility of the proposal, culminating with a brief discussion.

  12. Quantum states of light

    CERN Document Server

    Furusawa, Akira

    2015-01-01

    This book explains what quantum states of light look like. Of special interest, a single photon state is explained by using a wave picture, showing that it corresponds to the complementarity of a quantum. Also explained is how light waves are created by photons, again corresponding to the complementarity of a quantum. The author shows how an optical wave is created by superposition of a "vacuum" and a single photon as a typical example. Moreover, squeezed states of light are explained as "longitudinal" waves of light and Schrödinger's cat states as macroscopic superposition states.

  13. Symmetries of Chimera States

    Science.gov (United States)

    Kemeth, Felix P.; Haugland, Sindre W.; Krischer, Katharina

    2018-05-01

    Symmetry broken states arise naturally in oscillatory networks. In this Letter, we investigate chaotic attractors in an ensemble of four mean-coupled Stuart-Landau oscillators with two oscillators being synchronized. We report that these states with partially broken symmetry, so-called chimera states, have different setwise symmetries in the incoherent oscillators, and in particular, some are and some are not invariant under a permutation symmetry on average. This allows for a classification of different chimera states in small networks. We conclude our report with a discussion of related states in spatially extended systems, which seem to inherit the symmetry properties of their counterparts in small networks.

  14. Generalized hypergeometric coherent states

    International Nuclear Information System (INIS)

    Appl, Thomas; Schiller, Diethard H

    2004-01-01

    We introduce a large class of holomorphic quantum states by choosing their normalization functions to be given by generalized hypergeometric functions. We call them generalized hypergeometric states in general, and generalized hypergeometric coherent states in particular, if they allow a resolution of unity. Depending on the domain of convergence of the generalized hypergeometric functions, we distinguish generalized hypergeometric states on the plane, the open unit disc and the unit circle. All states are eigenstates of suitably defined lowering operators. We then study their photon number statistics and phase properties as revealed by the Husimi and Pegg-Barnett phase distributions. On the basis of the generalized hypergeometric coherent states we introduce new analytic representations of arbitrary quantum states in Bargmann and Hardy spaces as well as generalized hypergeometric Husimi distributions and corresponding phase distributions

  15. Superexcited states of molecules

    International Nuclear Information System (INIS)

    Nakamura, Hiroki; Takagi, Hidekazu.

    1990-01-01

    The report addresses the nature and major features of molecule's superexcited states, focusing on their involvement in dynamic processes. It also outlines the quantum defect theory which allows various processes involving these states to be treated in a unified way. The Rydberg state has close relation with an ionized state with a positive energy. The quantum defect theory interprets such relation. Specifically, the report first describes the quantum defect theory focusing on its basic principle. The multi-channel quantum defect theory is then outlined centering on how to describe a Rydberg-type superexcited state. Description of a dissociative double-electron excited state is also discussed. The quantum defect theory is based on the fact that the physics of the motion of a Rydberg electron vary with the region in the electron's coordinate space. Finally, various molecular processes that involve a superexcited state are addressed focusing on autoionization, photoionization, dissociative recombination and bonding ionization of diatomic molecules. (N.K.)

  16. Qutrit magic state distillation

    International Nuclear Information System (INIS)

    Anwar, Hussain; Browne, Dan E; Campbell, Earl T

    2012-01-01

    Magic state distillation (MSD) is a purification protocol that plays an important role in fault-tolerant quantum computation. Repeated iteration of the steps of an MSD protocol generates pure single non-stabilizer states, or magic states, from multiple copies of a mixed resource state using stabilizer operations only. Thus mixed resource states promote the stabilizer operations to full universality. MSD was introduced for qubit-based quantum computation, but little has been known concerning MSD in higher-dimensional qudit-based computation. Here, we describe a general approach for studying MSD in higher dimensions. We use it to investigate the features of a qutrit MSD protocol based on the five-qutrit stabilizer code. We show that this protocol distils non-stabilizer magic states, and identify two types of states that are attractors of this iteration map. Finally, we show how these states may be converted, via stabilizer circuits alone, into a state suitable for state-injected implementation of a non-Clifford phase gate, enabling non-Clifford unitary computation. (paper)

  17. State Technologies Advancement Collaborative

    Energy Technology Data Exchange (ETDEWEB)

    David S. Terry

    2012-01-30

    The U. S. Department of Energy (DOE), National Association of State Energy Officials (NASEO), and Association of State Energy Research and Technology Transfer Institutions (ASERTTI) signed an intergovernmental agreement on November 14, 2002, that allowed states and territories and the Federal Government to better collaborate on energy research, development, demonstration and deployment (RDD&D) projects. The agreement established the State Technologies Advancement Collaborative (STAC) which allowed the states and DOE to move RDD&D forward using an innovative competitive project selection and funding process. A cooperative agreement between DOE and NASEO served as the contracting instrument for this innovative federal-state partnership obligating funds from DOE's Office of Energy Efficiency and Renewable Energy and Office of Fossil Energy to plan, fund, and implement RDD&D projects that were consistent with the common priorities of the states and DOE. DOE's Golden Field Office provided Federal oversight and guidance for the STAC cooperative agreement. The STAC program was built on the foundation of prior Federal-State efforts to collaborate on and engage in joint planning for RDD&D. Although STAC builds on existing, successful programs, it is important to note that it was not intended to replace other successful joint DOE/State initiatives such as the State Energy Program or EERE Special Projects. Overall the STAC process was used to fund, through three competitive solicitations, 35 successful multi-state research, development, deployment, and demonstration projects with an overall average non-federal cost share of 43%. Twenty-two states were awarded at least one prime contract, and organizations in all 50 states and some territories were involved as subcontractors in at least one STAC project. Projects were funded in seven program areas: (1) Building Technologies, (2) Industrial Technologies, (3) Transportation Technologies, (4) Distributed Energy

  18. Quantum State Engineering Via Coherent-State Superpositions

    Science.gov (United States)

    Janszky, Jozsef; Adam, P.; Szabo, S.; Domokos, P.

    1996-01-01

    The quantum interference between the two parts of the optical Schrodinger-cat state makes possible to construct a wide class of quantum states via discrete superpositions of coherent states. Even a small number of coherent states can approximate the given quantum states at a high accuracy when the distance between the coherent states is optimized, e. g. nearly perfect Fock state can be constructed by discrete superpositions of n + 1 coherent states lying in the vicinity of the vacuum state.

  19. Quantum chimera states

    Energy Technology Data Exchange (ETDEWEB)

    Viennot, David, E-mail: david.viennot@utinam.cnrs.fr; Aubourg, Lucile

    2016-02-15

    We study a theoretical model of closed quasi-hermitian chain of spins which exhibits quantum analogues of chimera states, i.e. long life classical states for which a part of an oscillator chain presents an ordered dynamics whereas another part presents a disordered dynamics. For the quantum analogue, the chimera behaviour deals with the entanglement between the spins of the chain. We discuss the entanglement properties, quantum chaos, quantum disorder and semi-classical similarity of our quantum chimera system. The quantum chimera concept is novel and induces new perspectives concerning the entanglement of multipartite systems. - Highlights: • We propose a spin chain model with long range couplings having purely quantum states similar to the classical chimera states. • The quantum chimera states are characterized by the coexistence of strongly entangled and non-entangled spins in the same chain. • The quantum chimera states present some characteristics of quantum chaos.

  20. Quantum chimera states

    International Nuclear Information System (INIS)

    Viennot, David; Aubourg, Lucile

    2016-01-01

    We study a theoretical model of closed quasi-hermitian chain of spins which exhibits quantum analogues of chimera states, i.e. long life classical states for which a part of an oscillator chain presents an ordered dynamics whereas another part presents a disordered dynamics. For the quantum analogue, the chimera behaviour deals with the entanglement between the spins of the chain. We discuss the entanglement properties, quantum chaos, quantum disorder and semi-classical similarity of our quantum chimera system. The quantum chimera concept is novel and induces new perspectives concerning the entanglement of multipartite systems. - Highlights: • We propose a spin chain model with long range couplings having purely quantum states similar to the classical chimera states. • The quantum chimera states are characterized by the coexistence of strongly entangled and non-entangled spins in the same chain. • The quantum chimera states present some characteristics of quantum chaos.

  1. Muonium states in semiconductors

    International Nuclear Information System (INIS)

    Patterson, B.D.

    1987-01-01

    There is a brief summary of what is known about the muonium states isotropic, anisotropic and diamagnetic in diamond and zincblende semiconductors. The report deals with muonium spectroscopy, including the formation probabilities, hyperfine parameters and electronic g-factors of the states. The dynamics of the states is treated including a discussion of the transition from isotropic Mu to anisotropic Mu in diamond, temperature-dependent linewidthes in silicon and germanium and effects of daping and radiation damage

  2. Theoretical solid state physics

    International Nuclear Information System (INIS)

    Anon.

    1977-01-01

    Research activities at ORNL in theoretical solid state physics are described. Topics covered include: surface studies; particle-solid interactions; electronic and magnetic properties; and lattice dynamics

  3. Solid state physics

    CERN Document Server

    Burns, Gerald

    2013-01-01

    Solid State Physics, International Edition covers the fundamentals and the advanced concepts of solid state physics. The book is comprised of 18 chapters that tackle a specific aspect of solid state physics. Chapters 1 to 3 discuss the symmetry aspects of crystalline solids, while Chapter 4 covers the application of X-rays in solid state science. Chapter 5 deals with the anisotropic character of crystals. Chapters 6 to 8 talk about the five common types of bonding in solids, while Chapters 9 and 10 cover the free electron theory and band theory. Chapters 11 and 12 discuss the effects of moveme

  4. Nuclear cluster states

    International Nuclear Information System (INIS)

    Rae, W.D.M.; Merchant, A.C.

    1993-01-01

    We review clustering in light nuclei including molecular resonances in heavy ion reactions. In particular we study the systematics, paying special attention to the relationships between cluster states and superdeformed configurations. We emphasise the selection rules which govern the formation and decay of cluster states. We review some recent experimental results from Daresbury and elsewhere. In particular we report on the evidence for a 7-α chain state in 28 Si in experiments recently performed at the NSF, Daresbury. Finally we begin to address theoretically the important question of the lifetimes of cluster states as deduced from the experimental energy widths of the resonances. (Author)

  5. Rotating quantum states

    International Nuclear Information System (INIS)

    Ambruş, Victor E.; Winstanley, Elizabeth

    2014-01-01

    We revisit the definition of rotating thermal states for scalar and fermion fields in unbounded Minkowski space–time. For scalar fields such states are ill-defined everywhere, but for fermion fields an appropriate definition of the vacuum gives thermal states regular inside the speed-of-light surface. For a massless fermion field, we derive analytic expressions for the thermal expectation values of the fermion current and stress–energy tensor. These expressions may provide qualitative insights into the behaviour of thermal rotating states on more complex space–time geometries

  6. Excited states 2

    CERN Document Server

    Lim, Edward C

    2013-01-01

    Excited States, Volume 2 is a collection of papers that deals with molecules in the excited states. The book describes the geometries of molecules in the excited electronic states. One paper describes the geometries of a diatomic molecule and of polyatomic molecules; it also discusses the determination of the many excited state geometries of molecules with two, three, or four atoms by techniques similar to diatomic spectroscopy. Another paper introduces an ordered theory related to excitons in pure and mixed molecular crystals. This paper also presents some experimental data such as those invo

  7. Visitor, State of Alaska

    Science.gov (United States)

    /Fishing License Get a Birth Certificate, Marriage License, etc. Alaska Permanent Fund Dividend Statewide Library Alaska Historical Society Alaska State Museum Sheldon Jackson Museum Industry Facts Agriculture

  8. Orthogonalization of correlated states

    International Nuclear Information System (INIS)

    Fantoni, S.; Pandharipande, V.R.

    1988-01-01

    A scheme for orthogonalizing correlated states while preserving the diagonal matrix elements of the Hamiltonian is developed. Conventional perturbation theory can be used with the orthonormal correlated basis obtained from this scheme. Advantages of using orthonormal correlated states in calculations of the response function and correlation energy are discussed

  9. Business, State of Alaska

    Science.gov (United States)

    Investment Advisors Business Law Charitable Gaming Division of Banking & Securities Laws Relating to Skip to content State of Alaska myAlaska My Government Resident Business in Alaska Visiting Alaska State Government Jobs Federal Jobs Starting a Small Business Living Get a Driver License Get a Hunting

  10. Gender and the State

    DEFF Research Database (Denmark)

    Dahl, Hanne Marlene; Kantola, Johanna

    2005-01-01

    The article argues from a Nordic, feminist and post-structuralist position that feminism state theories need to be developed methodologically.......The article argues from a Nordic, feminist and post-structuralist position that feminism state theories need to be developed methodologically....

  11. Maximally multipartite entangled states

    Science.gov (United States)

    Facchi, Paolo; Florio, Giuseppe; Parisi, Giorgio; Pascazio, Saverio

    2008-06-01

    We introduce the notion of maximally multipartite entangled states of n qubits as a generalization of the bipartite case. These pure states have a bipartite entanglement that does not depend on the bipartition and is maximal for all possible bipartitions. They are solutions of a minimization problem. Examples for small n are investigated, both analytically and numerically.

  12. States in Process Calculi

    Directory of Open Access Journals (Sweden)

    Christoph Wagner

    2014-08-01

    Full Text Available Formal reasoning about distributed algorithms (like Consensus typically requires to analyze global states in a traditional state-based style. This is in contrast to the traditional action-based reasoning of process calculi. Nevertheless, we use domain-specific variants of the latter, as they are convenient modeling languages in which the local code of processes can be programmed explicitly, with the local state information usually managed via parameter lists of process constants. However, domain-specific process calculi are often equipped with (unlabeled reduction semantics, building upon a rich and convenient notion of structural congruence. Unfortunately, the price for this convenience is that the analysis is cumbersome: the set of reachable states is modulo structural congruence, and the processes' state information is very hard to identify. We extract from congruence classes of reachable states individual state-informative representatives that we supply with a proper formal semantics. As a result, we can now freely switch between the process calculus terms and their representatives, and we can use the stateful representatives to perform assertional reasoning on process calculus models.

  13. Solid State Division

    International Nuclear Information System (INIS)

    Green, P.H.; Watson, D.M.

    1989-08-01

    This report contains brief discussions on work done in the Solid State Division of Oak Ridge National Laboratory. The topics covered are: Theoretical Solid State Physics; Neutron scattering; Physical properties of materials; The synthesis and characterization of materials; Ion beam and laser processing; and Structure of solids and surfaces

  14. Solid State Division

    Energy Technology Data Exchange (ETDEWEB)

    Green, P.H.; Watson, D.M. (eds.)

    1989-08-01

    This report contains brief discussions on work done in the Solid State Division of Oak Ridge National Laboratory. The topics covered are: Theoretical Solid State Physics; Neutron scattering; Physical properties of materials; The synthesis and characterization of materials; Ion beam and laser processing; and Structure of solids and surfaces. (LSP)

  15. Solid state track detectors

    International Nuclear Information System (INIS)

    Reuther, H.

    1976-11-01

    This paper gives a survey of the present state of the development and the application of solid state track detectors. The fundamentals of the physical and chemical processes of the track formation and development are explained, the different detector materials and their registration characteristics are mentioned, the possibilities of the experimental practice and the most variable applications are discussed. (author)

  16. Kurds, states and tribes

    NARCIS (Netherlands)

    Bruinessen, M.M. van

    2002-01-01

    At most times, Kurdish society has existed at the periphery of, and functioned as a buffer between, two or more neighbouring states. From c. 1500 until the First World War, the relevant states were the Ottoman Empire in the west and Safavid, later Qajar Iran in the east (with Russia and the

  17. Small States in Europe

    DEFF Research Database (Denmark)

    This book offers an accessible, coherent and informative analysis of contemporary and future foreign policy challenges facing small states in Europe.......This book offers an accessible, coherent and informative analysis of contemporary and future foreign policy challenges facing small states in Europe....

  18. Dissociative State and Competence

    Directory of Open Access Journals (Sweden)

    Yu-Ju Lin

    2007-10-01

    Full Text Available This report presents the results of forensic evaluation of the civil competence of a case of alleged dissociative identity disorder (DID and discusses whether such dissociative states substantially jeopardize civil competence. A 40-year-old woman claimed that she had had many personalities since her college days. From the age of 37 to 40, she shopped excessively, which left her with millions of dollars of debt. She ascribed her shopping to a certain identity state, over which she had no control. (In this article, we use the term identity state to replace personality as an objective description of a mental state. She thus raised the petition of civil incompetence. During the forensic evaluation, it was found that the identity states were relatively stable and mutually aware of each other. The switch into another identity state was sometimes under voluntary control. The subject showed consistency and continuity in behavioral patterns across the different identity states, and no matter which identity state she was in, there was no evidence of impairment in her factual knowledge of social situations and her capacity for managing personal affairs. We hence concluded that she was civilly competent despite the claimed DID. Considering that the existence and diagnosis of DID are still under dispute and a diagnosis of DID alone is not sufficient to interdict a person's civil right, important clinical and forensic issues remain to be answered.

  19. Welfare State Transformation

    DEFF Research Database (Denmark)

    Obinger, Herbert; Starke, Peter

    2014-01-01

    This paper describes welfare state transformation in OECD countries since the 1970s against the background of the post-war settlement. Relying on quantitative macro-data and qualitative information from the literature, we show that welfare states have con-verged, especially regarding various...

  20. The Danish welfare state

    DEFF Research Database (Denmark)

    Larsen, Jørgen Elm; Bengtsson, Tea Torbenfeldt; Frederiksen, Morten

    The Danish Welfare State analyzes a broad range of areas, such as globalization, labor marked, family life, health and social exclusion, the book demonstrates that life in a modern welfare state is changing rapidly, creating both challenges and possibilities for future management....

  1. DUBNA: Member States

    International Nuclear Information System (INIS)

    Anon.

    1992-01-01

    The political upheaval in what was the Soviet Union was reflected in an Extraordinary Plenipotentiaries Committee of Joint Institute for Nuclear Research (JINR) Member States, held in Dubna, near Moscow, on 10-13 December, with representatives of eleven sovereign republics of the former Soviet State taking part

  2. Thermalization of squeezed states

    International Nuclear Information System (INIS)

    Solomon, Allan I

    2005-01-01

    Starting with a thermal squeezed state defined as a conventional thermal state based on an appropriate Hamiltonian, we show how an important physical property, the signal-to-noise ratio, is degraded, and propose a simple model of thermalization (Kraus thermalization)

  3. Metrics of quantum states

    International Nuclear Information System (INIS)

    Ma Zhihao; Chen Jingling

    2011-01-01

    In this work we study metrics of quantum states, which are natural generalizations of the usual trace metric and Bures metric. Some useful properties of the metrics are proved, such as the joint convexity and contractivity under quantum operations. Our result has a potential application in studying the geometry of quantum states as well as the entanglement detection.

  4. State alternative route designations

    International Nuclear Information System (INIS)

    1989-07-01

    Pursuant to the Hazardous Materials Transportation Act (HMTA), the Department of Transportation (DOT) has promulgated a comprehensive set of regulations regarding the highway transportation of high-level radioactive materials. These regulations, under HM-164 and HM-164A, establish interstate highways as the preferred routes for the transportation of radioactive materials within and through the states. The regulations also provide a methodology by which a state may select alternative routes. First,the state must establish a ''state routing agency,'' defined as an entity authorized to use the state legal process to impose routing requirements on carriers of radioactive material (49 CFR 171.8). Once identified, the state routing agency must select routes in accordance with Large Quantity Shipments of Radioactive Materials or an equivalent routing analysis. Adjoining states and localities should be consulted on the impact of proposed alternative routes as a prerequisite of final route selection. Lastly, the states must provide written notice of DOT of any alternative route designation before the routes are deemed effective

  5. Healthcare. State Report

    Science.gov (United States)

    Carnevale, Anthony P.; Smith, Nicole; Gulish, Artem; Beach, Bennett H.

    2012-01-01

    This report projects education requirements linked to forecasted job growth in healthcare by state and the District of Columbia from 2010 through 2020. It complements a larger national report which projects educational demand for healthcare for the same time period. The national report shows that with or without Obamacare, the United States will…

  6. Categorical Tensor Network States

    Directory of Open Access Journals (Sweden)

    Jacob D. Biamonte

    2011-12-01

    Full Text Available We examine the use of string diagrams and the mathematics of category theory in the description of quantum states by tensor networks. This approach lead to a unification of several ideas, as well as several results and methods that have not previously appeared in either side of the literature. Our approach enabled the development of a tensor network framework allowing a solution to the quantum decomposition problem which has several appealing features. Specifically, given an n-body quantum state |ψ〉, we present a new and general method to factor |ψ〉 into a tensor network of clearly defined building blocks. We use the solution to expose a previously unknown and large class of quantum states which we prove can be sampled efficiently and exactly. This general framework of categorical tensor network states, where a combination of generic and algebraically defined tensors appear, enhances the theory of tensor network states.

  7. Failing Failed States

    DEFF Research Database (Denmark)

    Holm, Hans-Henrik

    2002-01-01

    coverage. A Danish survey of newsrooms shows that the national world-view and prevalent news criteria prevent consistent coverage. It is argued that politicians are the ones who determine national agendas: it is from political initiatives, rather than media coverage, that failing states and humanitarian......When states are failing, when basic state functions are no longer carried out, and when people have no security, humanitarian crises erupt. In confronting this problem, the stronger states have followed an ad hoc policy of intervention and aid. In some cases, humanitarian disasters have resulted...... from inaction. Often, the media are blamed. Politicians complain about the media when they interfere (the CNN effect), and when they do not. This article looks at how the media do cover failing states. Sierra Leone and Congo are used as examples. The analysis shows that there is little independent...

  8. Permutationally invariant state reconstruction

    DEFF Research Database (Denmark)

    Moroder, Tobias; Hyllus, Philipp; Tóth, Géza

    2012-01-01

    Feasible tomography schemes for large particle numbers must possess, besides an appropriate data acquisition protocol, an efficient way to reconstruct the density operator from the observed finite data set. Since state reconstruction typically requires the solution of a nonlinear large-scale opti...... optimization, which has clear advantages regarding speed, control and accuracy in comparison to commonly employed numerical routines. First prototype implementations easily allow reconstruction of a state of 20 qubits in a few minutes on a standard computer.......-scale optimization problem, this is a major challenge in the design of scalable tomography schemes. Here we present an efficient state reconstruction scheme for permutationally invariant quantum state tomography. It works for all common state-of-the-art reconstruction principles, including, in particular, maximum...

  9. State and market

    Directory of Open Access Journals (Sweden)

    Ivan Ferenčak

    2014-10-01

    Full Text Available The debate about the relationship between state and market, about their relative importance, does not cease to be topical, and there is no end of it in sight. The market (invisible hand does need, more or less, the help of the state (visible hand. Liberal sympathizers of the market prefer a “small” state whose ambitions include only providing an adaptable legal framework in which and by which the market functions, and (re allocation of resources, because of the inherent defects of the market. Proponents of welfare economics will wish for progressive taxation and redistribution of income. Keynes’s mission to save capitalism meant an increase in the importance of the state and appearance of a new, stabilizing role of the state. Excessive unemployment is to be prevented by fine-tuning. Unfortunately, Keynes’s critics from the public choice camp will say that the state (government is not perfect, and, as a rule, falls into the trap of asymmetry. Only and solely in theory will it apply that a perfect state means perfect functioning of an imperfect market.

  10. Theoretical solid state physics

    CERN Document Server

    Haug, Albert

    2013-01-01

    Theoretical Solid State Physics, Volume 1 focuses on the study of solid state physics. The volume first takes a look at the basic concepts and structures of solid state physics, including potential energies of solids, concept and classification of solids, and crystal structure. The book then explains single-electron approximation wherein the methods for calculating energy bands; electron in the field of crystal atoms; laws of motion of the electrons in solids; and electron statistics are discussed. The text describes general forms of solutions and relationships, including collective electron i

  11. Autonomy of State Agencies

    DEFF Research Database (Denmark)

    Hansen, Morten Balle; Niklasson, Birgitta; Roness, Paul

    agencies in four Nordic countries: Denmark, Finland, Norway and Sweden. By using survey data from more than 500 state agencies in the four countries, the article analyses whether there is indeed a Scandinavian style of autonomy and result control and assesses which structural, cultural, and environmental......NPM-doctrines states that ideal-type agencies should have a high level of managerial autonomy, while being controlled through result-based control instruments, like performance contracts. In this article, the authors present a first preliminary attempt to comparatively analyze the autonomy of state...... variables might explain similarities and differences in the autonomy of agencies....

  12. Variational Transition State Theory

    Energy Technology Data Exchange (ETDEWEB)

    Truhlar, Donald G. [Univ. of Minnesota, Minneapolis, MN (United States)

    2016-09-29

    This is the final report on a project involving the development and applications of variational transition state theory. This project involved the development of variational transition state theory for gas-phase reactions, including optimized multidimensional tunneling contributions and the application of this theory to gas-phase reactions with a special emphasis on developing reaction rate theory in directions that are important for applications to combustion. The development of variational transition state theory with optimized multidimensional tunneling as a useful computational tool for combustion kinetics involved eight objectives.

  13. The solid state maser

    CERN Document Server

    Orton, J W; Walling, J C; Ter Haar, D

    1970-01-01

    The Solid State Maser presents readings related to solid state maser amplifier from the first tentative theoretical proposals that appeared in the early 1950s to the successful realization of practical devices and their application to satellite communications and radio astronomy almost exactly 10 years later. The book discusses a historical account of the early developments (including that of the ammonia maser) of solid state maser; the properties of paramagnetic ions in crystals; the development of practical low noise amplifiers; and the characteristics of maser devices designed for communica

  14. Correlations in Werner States

    International Nuclear Information System (INIS)

    Luo Shunlong; Li Nan

    2008-01-01

    Werner states are paradigmatic examples of quantum states and play an innovative role in quantum information theory. In investigating the correlating capability of Werner states, we find the curious phenomenon that quantum correlations, as quantified by the entanglement of formation, may exceed the total correlations, as measured by the quantum mutual information. Consequently, though the entanglement of formation is so widely used in quantifying entanglement, it cannot be interpreted as a consistent measure of quantum correlations per se if we accept the folklore that total correlations are measured (or rather upper bounded) by the quantum mutual information.

  15. Understanding solid state physics

    CERN Document Server

    Holgate, Sharon Ann

    2009-01-01

    Where Sharon Ann Holgate has succeeded in this book is in packing it with examples of the application of solid state physics to technology. … All the basic elements of solid state physics are covered … . The range of materials is good, including as it does polymers and glasses as well as crystalline solids. In general, the style makes for easy reading. … Overall this book succeeds in showing the relevance of solid state physics to the modern world … .-Contemporary Physics, Vol. 52, No. 2, 2011I was indeed amused and inspired by the wonderful images throughout the book, carefully selected by th

  16. Giant resonances on excited states

    International Nuclear Information System (INIS)

    Besold, W.; Reinhard, P.G.; Toepffer, C.

    1984-01-01

    We derive modified RPA equations for small vibrations about excited states. The temperature dependence of collective excitations is examined. The formalism is applied to the ground state and the first excited state of 90 Zr in order to confirm a hypothesis which states that not only the ground state but every excited state of a nucleus has a giant resonance built upon it. (orig.)

  17. US State Submerged Lands

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The Submerged Lands Act (43 U.S.C. Section 1301 et seq.) grants coastal states title to natural resources located within their coastal submerged lands and navigable...

  18. State Geodatabase for Connecticut

    Data.gov (United States)

    US Census Bureau, Department of Commerce — The 2015 TIGER Geodatabases are extracts of selected nation based and state based geographic and cartographic information from the U.S. Census Bureau's Master...

  19. State Geodatabase for Indiana

    Data.gov (United States)

    US Census Bureau, Department of Commerce — The 2015 TIGER Geodatabases are extracts of selected nation based and state based geographic and cartographic information from the U.S. Census Bureau's Master...

  20. United States housing, 2012

    Science.gov (United States)

    Delton Alderman

    2013-01-01

    Provides current and historical information on housing market in the United States. Information includes trends for housing permits and starts, housing completions for single and multifamily units, and sales and construction. This report will be updated annually.

  1. Teale State Assembly Districts

    Data.gov (United States)

    California Natural Resource Agency — California Spatial Information System (CaSIL) is a project designed to improve access to geo-spatial and geo-spatial related data information throughout the state of...

  2. State Air Quality Standards.

    Science.gov (United States)

    Pollution Engineering, 1978

    1978-01-01

    This article presents in tabular form the air quality standards for sulfur dioxide, carbon monoxide, nitrogen dioxide, photochemicals, non-methane hydrocarbons and particulates for each of the 50 states and the District of Columbia. (CS)

  3. Varieties in State Capitalism

    DEFF Research Database (Denmark)

    Li, Ming Hua; Cui, Lin; Lu, Jiangyong

    2014-01-01

    Institutional diversity characterizing state-owned enterprises (SOEs) from emerging economies holds critical but under-examined implications for their internationalization activities. Different types of SOEs can exhibit distinct motivations, strategic resources, and adaptive capabilities for pene...

  4. Negative-ion states

    International Nuclear Information System (INIS)

    Compton, R.N.

    1982-01-01

    In this brief review, we discuss some of the properties of atomic and molecular negative ions and their excited states. Experiments involving photon reactions with negative ions and polar dissociation are summarized. 116 references, 14 figures

  5. Baryoniums and related states

    International Nuclear Information System (INIS)

    Hong-Mo, C.

    1978-01-01

    A brief introduction is given to current theoretical ideas on baryonium states with particular emphasis on their interpretation as 'colour molecules'. It is argued that baryonium spectroscopy provides a valuable test for colour as a new degree of freedom. (author)

  6. Decay of Hoyle state

    Indian Academy of Sciences (India)

    2014-11-02

    Nov 2, 2014 ... T K RANA, C BHATTACHARYA, S KUNDU, ... of various direct 3α decay mechanisms of the Hoyle state. ... Pramana – J. Phys., Vol. ... FMD predicts a compact triangle shape and LEFT predicts a bent arm chain structure,.

  7. Political State Boundary (National)

    Data.gov (United States)

    Department of Transportation — State boundaries with political limit - boundaries extending into the ocean (NTAD). The TIGER/Line Files are shapefiles and related database files (.dbf) that are an...

  8. Engaging Future Failing States

    Science.gov (United States)

    2011-03-23

    military missions in the Middle East, the Balkans, Africa, Asia , and South America. There is an increasing proliferation of failed and failing states...disparity, overpopulation , food security, health services availability, migration pressures, environmental degradation, personal and 22 community

  9. State of Services Report

    Data.gov (United States)

    Social Security Administration — A comprehensive monthly report portraying customer experience with our various service options. The State of Services is shared with the ACOSS and is presented to...

  10. Periodically modulated dark states

    Science.gov (United States)

    Han, Yingying; Zhang, Jun; Zhang, Wenxian

    2018-04-01

    Phenomena of electromagnetically induced transparency (PEIT) may be interpreted by the Autler-Townes Splitting (ATS), where the coupled states are split by the coupling laser field, or by the quantum destructive interference (QDI), where the atomic phases caused by the coupling laser and the probe laser field cancel. We propose modulated experiments to explore the PEIT in an alternative way by periodically modulating the coupling and the probe fields in a Λ-type three-level system initially in a dark state. Our analytical and numerical results rule out the ATS interpretation and show that the QDI interpretation is more appropriate for the modulated experiments. Interestingly, dark state persists in the double-modulation situation where control and probe fields never occur simultaneously, which is significant difference from the traditional dark state condition. The proposed experiments are readily implemented in atomic gases, artificial atoms in superconducting quantum devices, or three-level meta-atoms in meta-materials.

  11. State Transportation Statistics 2012

    Science.gov (United States)

    2013-08-15

    The Bureau of Transportation Statistics (BTS), a part of the U.S. Department of Transportation's (USDOT) Research and Innovative Technology Administration (RITA), presents State Transportation Statistics 2012, a statistical profile of transportation ...

  12. State Transportation Statistics 2013

    Science.gov (United States)

    2014-09-19

    The Bureau of Transportation Statistics (BTS), a part of the U.S. Department of Transportations (USDOT) Research and Innovative Technology Administration (RITA), presents State Transportation Statistics 2013, a statistical profile of transportatio...

  13. Outpatient Imaging Efficiency - State

    Data.gov (United States)

    U.S. Department of Health & Human Services — Use of medical imaging - state data. These measures give you information about hospitals' use of medical imaging tests for outpatients. Examples of medical imaging...

  14. New Mexico State Parks

    Data.gov (United States)

    Earth Data Analysis Center, University of New Mexico — This dataset provides an initial version of the generalized physical boundaries of New Mexico State Parks, in polygonal form with limited attributes, compiled using...

  15. Thermodynamics of Crystalline States

    CERN Document Server

    Fujimoto, Minoru

    2010-01-01

    Thermodynamics is a well-established discipline of physics for properties of matter in thermal equilibrium surroundings. Applying to crystals, however, the laws encounter undefined properties of crystal lattices, which therefore need to be determined for a clear and well-defined description of crystalline states. Thermodynamics of Crystalline States explores the roles played by order variables and dynamic lattices in crystals in a wholly new way. This book is divided into three parts. The book begins by clarifying basic concepts for stable crystals. Next, binary phase transitions are discussed to study collective motion of order variables, as described mostly as classical phenomena. In the third part, the multi-electron system is discussed theoretically, as a quantum-mechanical example, for the superconducting state in metallic crystals. Throughout the book, the role played by the lattice is emphasized and examined in-depth. Thermodynamics of Crystalline States is an introductory treatise and textbook on meso...

  16. State Agency Administrative Boundaries

    Data.gov (United States)

    Kansas Data Access and Support Center — This database comprises 28 State agency boundaries and point of contact. The Kansas Geological Survey collected legal descriptions of the boundaries for various...

  17. State DOT mission evolution.

    Science.gov (United States)

    2013-04-01

    This paper highlights the challenges faced by six state departments of transportation (California, Colorado, Florida, Massachusetts, Missouri, Oregon) and the views of their respective chief executive officers within the context of national trends. E...

  18. MSIS State Summary Datamarts

    Data.gov (United States)

    U.S. Department of Health & Human Services — This page provides background needed to take advantage of the capabilities of the MSIS State Summary Datamart. This mart allows the user to develop high-level...

  19. Healthcare Associated Infections - State

    Data.gov (United States)

    U.S. Department of Health & Human Services — The Healthcare-Associated Infections (HAI) measures - state data. These measures are developed by Centers for Disease Control and Prevention (CDC) and collected...

  20. Asking for more State

    DEFF Research Database (Denmark)

    Johansen, Mette-Louise

    2010-01-01

    This paper addresses a period of embedding, as Achille Mbembe puts it when discussing the novelty of the postcolony (Mbembe 2001: 242, 01/09/2008); in this paper the term applies to conceptualise particular social processes of state/citizen entanglement within the realm of western welfare bureauc...... the concept of welfare, moral order and legality is constantly negotiated and reconstituted. From this perspective, I explore everyday ghetto life as frontier practices within the community and with the state....

  1. State of the Market

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Industrial Profits In the first two months, the combined profits of all state-owned enterprises as well as non-state enterprises with annual sales revenue of more than 5 million yuan (enterprises above designated size) totaled 203.4 billion yuan, increasing 21.8 percent compared with the same period last year, according to the National Bureau of Statistics (NBS) (see graph 1).

  2. State of the Market

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Industrial Profits From January to June, the total volume of profits made by all state-owned enterprises as well as non-state enterprises with annual sales revenue of more than 5 million yuan (enterprises above designated size) stood at 810.7 billion yuan, expanding 28 percent compared with the same period last year, according to the National Bureau of Statistics (NBS) (see graph 1).

  3. Appealing to the State

    DEFF Research Database (Denmark)

    Nielsen, Marie Vejrup

    2014-01-01

    This essay analyzes identity formation of majority religion in the context of intentional, political processes of change in state-church relations from a perspective that combines discursive institutionalism with the insights from governance research.......This essay analyzes identity formation of majority religion in the context of intentional, political processes of change in state-church relations from a perspective that combines discursive institutionalism with the insights from governance research....

  4. State responses to biotechnology.

    Science.gov (United States)

    Harris, Rebecca C

    2015-01-01

    This article reviews biotechnology legislation in the 50 states for 11 policy areas spanning 1990-2010, an era of immense growth in biotechnology, genetic knowledge, and significant policy development. Policies regarding health insurance, life insurance, long-term care insurance, DNA data bank collection, biotech research protection, biotech promotion and support, employment discrimination, genetic counselor licensing, human cloning, and genetic privacy each represent major policy responses arising from biotechnology and coinciding with key areas of state regulation (insurance, criminal justice, economic development, labor law, health and safety, privacy, and property rights). This analysis seeks to answer three questions regarding biotechnology legislation at the state level: who is acting (policy adoption), when is policy adopted (policy timing), and what is policy doing (policy content). Theoretical concerns examine state ideology (conservative or liberal), policy type (economic or moral), and the role of external events (federal law, news events, etc.) on state policy adoption. Findings suggest ideological patterns in adoption, timing, and content of biotech policy. Findings also suggest economic policies tend to be more uniform in content than moral policies, and findings also document a clear link between federal policy development, external events, and state policy response.

  5. Bound and rebound states

    International Nuclear Information System (INIS)

    Orzalesi, C.A.

    1979-01-01

    In relativistic quantum theory, bound states generate forces in the crossed channel; such forces can affect the binding and self-consistent solutions should be sought for the bound-state problem. The author investigates how self-consistency can be achieved by successive approximations, in a simple scalar model and with successive relativistic eikonal approximations (EAs). Within the generalized ladder approximation, some exact properties of the resulting ''first generation'' bound states are discussed. The binding energies in this approximation are rather small even for rather large values of the primary coupling constant. The coupling of the constituent particles to the first-generation reggeon is determined by a suitable EA and a new generalized ladder amplitude is constructed with rungs given either by the primary gluons or by the first-generation reggeons. The resulting new (second-generation) bound states are found in a reggeized EA. The size of the corrections to the binding energies due to the rebinding effects is surprisingly large. The procedure is then iterated, so as to find - again in an EA - the third-generation bound states. The procedure is found to be self-consistent already at this stage: the third-generation bound states coincide with those of second generation, and no further rebinding takes place in the higher iterations of the approximation method. Features - good and bad - of the model are discussed, as well as the possible relevance of rebinding mechanisms in hadron dynamics. (author)

  6. Machine learning topological states

    Science.gov (United States)

    Deng, Dong-Ling; Li, Xiaopeng; Das Sarma, S.

    2017-11-01

    Artificial neural networks and machine learning have now reached a new era after several decades of improvement where applications are to explode in many fields of science, industry, and technology. Here, we use artificial neural networks to study an intriguing phenomenon in quantum physics—the topological phases of matter. We find that certain topological states, either symmetry-protected or with intrinsic topological order, can be represented with classical artificial neural networks. This is demonstrated by using three concrete spin systems, the one-dimensional (1D) symmetry-protected topological cluster state and the 2D and 3D toric code states with intrinsic topological orders. For all three cases, we show rigorously that the topological ground states can be represented by short-range neural networks in an exact and efficient fashion—the required number of hidden neurons is as small as the number of physical spins and the number of parameters scales only linearly with the system size. For the 2D toric-code model, we find that the proposed short-range neural networks can describe the excited states with Abelian anyons and their nontrivial mutual statistics as well. In addition, by using reinforcement learning we show that neural networks are capable of finding the topological ground states of nonintegrable Hamiltonians with strong interactions and studying their topological phase transitions. Our results demonstrate explicitly the exceptional power of neural networks in describing topological quantum states, and at the same time provide valuable guidance to machine learning of topological phases in generic lattice models.

  7. 31 CFR 515.321 - United States; continental United States.

    Science.gov (United States)

    2010-07-01

    ... 31 Money and Finance: Treasury 3 2010-07-01 2010-07-01 false United States; continental United... General Definitions § 515.321 United States; continental United States. The term United States means the United States and all areas under the jurisdiction or authority thereof, including the Trust Territory of...

  8. 31 CFR 500.321 - United States; continental United States.

    Science.gov (United States)

    2010-07-01

    ... 31 Money and Finance: Treasury 3 2010-07-01 2010-07-01 false United States; continental United... General Definitions § 500.321 United States; continental United States. The term United States means the United States and all areas under the jurisdiction or authority thereof, including U.S. trust territories...

  9. 31 CFR 535.321 - United States; continental United States.

    Science.gov (United States)

    2010-07-01

    ... 31 Money and Finance: Treasury 3 2010-07-01 2010-07-01 false United States; continental United... General Definitions § 535.321 United States; continental United States. The term United States means the United States and all areas under the jurisdiction or authority thereof including the Trust Territory of...

  10. Quantum Teleportation of Tripartite Arbitrary State via W State

    Institute of Scientific and Technical Information of China (English)

    XUE Zheng-Yuan; YI You-Min; CAO Zhuo-Liang

    2005-01-01

    A scheme of teleportation of a tripartite state via W state is suggested. The W state serves as quantum channels. Standard Bell-state measurements and Von Neumann measurements are performed. After the sender operates the measurements and informs the receiver her results, he can reconstruct the original state by the corresponding unitary transformation. The probability of the successful teleportation is also obtained.

  11. The mathematics behind chimera states

    Science.gov (United States)

    Omel’chenko, O. E.

    2018-05-01

    Chimera states are self-organized spatiotemporal patterns of coexisting coherence and incoherence. We give an overview of the main mathematical methods used in studies of chimera states, focusing on chimera states in spatially extended coupled oscillator systems. We discuss the continuum limit approach to these states, Ott-Antonsen manifold reduction, finite size chimera states, control of chimera states and the influence of system design on the type of chimera state that is observed.

  12. Discrete density of states

    International Nuclear Information System (INIS)

    Aydin, Alhun; Sisman, Altug

    2016-01-01

    By considering the quantum-mechanically minimum allowable energy interval, we exactly count number of states (NOS) and introduce discrete density of states (DOS) concept for a particle in a box for various dimensions. Expressions for bounded and unbounded continua are analytically recovered from discrete ones. Even though substantial fluctuations prevail in discrete DOS, they're almost completely flattened out after summation or integration operation. It's seen that relative errors of analytical expressions of bounded/unbounded continua rapidly decrease for high NOS values (weak confinement or high energy conditions), while the proposed analytical expressions based on Weyl's conjecture always preserve their lower error characteristic. - Highlights: • Discrete density of states considering minimum energy difference is proposed. • Analytical DOS and NOS formulas based on Weyl conjecture are given. • Discrete DOS and NOS functions are examined for various dimensions. • Relative errors of analytical formulas are much better than the conventional ones.

  13. Discrete density of states

    Energy Technology Data Exchange (ETDEWEB)

    Aydin, Alhun; Sisman, Altug, E-mail: sismanal@itu.edu.tr

    2016-03-22

    By considering the quantum-mechanically minimum allowable energy interval, we exactly count number of states (NOS) and introduce discrete density of states (DOS) concept for a particle in a box for various dimensions. Expressions for bounded and unbounded continua are analytically recovered from discrete ones. Even though substantial fluctuations prevail in discrete DOS, they're almost completely flattened out after summation or integration operation. It's seen that relative errors of analytical expressions of bounded/unbounded continua rapidly decrease for high NOS values (weak confinement or high energy conditions), while the proposed analytical expressions based on Weyl's conjecture always preserve their lower error characteristic. - Highlights: • Discrete density of states considering minimum energy difference is proposed. • Analytical DOS and NOS formulas based on Weyl conjecture are given. • Discrete DOS and NOS functions are examined for various dimensions. • Relative errors of analytical formulas are much better than the conventional ones.

  14. Smallest chimera states

    Science.gov (United States)

    Maistrenko, Yuri; Brezetsky, Serhiy; Jaros, Patrycja; Levchenko, Roman; Kapitaniak, Tomasz

    2017-01-01

    We demonstrate that chimera behavior can be observed in small networks consisting of three identical oscillators, with mutual all-to-all coupling. Three different types of chimeras, characterized by the coexistence of two coherent oscillators and one incoherent oscillator (i.e., rotating with another frequency) have been identified, where the oscillators show periodic (two types) and chaotic (one type) behaviors. Typical bifurcations at the transitions from full synchronization to chimera states and between different types of chimeras have been described. Parameter regions for the chimera states are obtained in the form of Arnold tongues, issued from a singular parameter point. Our analysis suggests that chimera states can be observed in small networks relevant to various real-world systems.

  15. The state manager

    International Nuclear Information System (INIS)

    Defendini, A.; Jones, R.; Matheys, J.P.; Vyvre, P.V.; Vascotto, A.

    1992-01-01

    The State Manager system (SM) is a set of tools, developed at CERN, for the control of large data-acquisition systems. A dedicated object-based language is used to describe the various components of the data-acquisition system. Each component is declared in terms of finite state machines and sequences of parametrized actions to be performed for operations such as the start and end of a run. The description, written by the user, is translated into Ada to produce a run-control program capable of controlling processes in a distributed environment. A Motif-based graphical interface to the control program displays the current state of all the components and can be used to control the overall data-acquisition system. The SM has been used by several experiments both at CERN and other organizations. We present here the architecture of the SM, some design choices, and the experience acquired from its use. (author)

  16. The association between state attachment security and state Mindfulness.

    Directory of Open Access Journals (Sweden)

    Christopher A Pepping

    Full Text Available Recent research suggests that attachment and mindfulness are related, though the nature of this association is unclear. Here we present two studies examining whether there is a causal relationship between state attachment and state mindfulness. Study 1 investigated the effects of experimentally increasing state mindfulness on state attachment security. State mindfulness was successfully enhanced, but this led to no change in state attachment security. Study 2 investigated the effects of experimentally enhancing state attachment security on state mindfulness. State attachment security was successfully enhanced, but this did not lead to any change in state mindfulness. These findings suggest that there is not a direct, immediate causal relationship between state attachment and state mindfulness as a result of brief experimental manipulations. Future research should examine these associations in longer term interventions.

  17. Rapanos v. United States & Carabell v. United States

    Science.gov (United States)

    Documents associated with guidance for implementing the definition of waters of the United States under the Clean Water Act following the Rapanos v. United States, and Carabell v. United States Supreme Court decision.

  18. Resonant state expansions

    International Nuclear Information System (INIS)

    Lind, P.

    1993-02-01

    The completeness properties of the discrete set of bound state, virtual states and resonances characterizing the system of a single nonrelativistic particle moving in a central cutoff potential is investigated. From a completeness relation in terms of these discrete states and complex scattering states one can derive several Resonant State Expansions (RSE). It is interesting to obtain purely discrete expansion which, if valid, would significantly simplify the treatment of the continuum. Such expansions can be derived using Mittag-Leffler (ML) theory for a cutoff potential and it would be nice to see if one can obtain the same expansions starting from an eigenfunction theory that is not restricted to a finite sphere. The RSE of Greens functions is especially important, e.g. in the continuum RPA (CRPA) method of treating giant resonances in nuclear physics. The convergence of RSE is studied in simple cases using square well wavefunctions in order to achieve high numerical accuracy. Several expansions can be derived from each other by using the theory of analytic functions and one can the see how to obtain a natural discretization of the continuum. Since the resonance wavefunctions are oscillating with an exponentially increasing amplitude, and therefore have to be interpreted through some regularization procedure, every statement made about quantities involving such states is checked by numerical calculations.Realistic nuclear wavefunctions, generated by a Wood-Saxon potential, are used to test also the usefulness of RSE in a realistic nuclear calculation. There are some fundamental differences between different symmetries of the integral contour that defines the continuum in RSE. One kind of symmetry is necessary to have an expansion of the unity operator that is idempotent. Another symmetry must be used if we want purely discrete expansions. These are found to be of the same form as given by ML. (29 refs.)

  19. Graphene ground states

    Science.gov (United States)

    Friedrich, Manuel; Stefanelli, Ulisse

    2018-06-01

    Graphene is locally two-dimensional but not flat. Nanoscale ripples appear in suspended samples and rolling up often occurs when boundaries are not fixed. We address this variety of graphene geometries by classifying all ground-state deformations of the hexagonal lattice with respect to configurational energies including two- and three-body terms. As a consequence, we prove that all ground-state deformations are either periodic in one direction, as in the case of ripples, or rolled up, as in the case of nanotubes.

  20. Multiquark resonant states

    International Nuclear Information System (INIS)

    Shahbazian, B.A.

    1982-01-01

    The invariant mass spectra of forty nine hadronic systems with hypercharge, strangeness and baryon number, varied in wide limits have been studied. Resonance peaks have been found in the invariant mass spectra of Y 2 and #betta#pπ 2495 MeV/c 2 resonant states. Three more candidates for anti qq 4 states were found #bettaπ# + π + : 1705, 2072, 2605 MeV/c 2 . The masses of all these candidates are in good agreement with Bag Model predictions. A hypercharge selection rule is suggested: ''The hypercharge of hadronic resonances in weak gravitational fields cannot exceed one Y <= 1

  1. Solid state physics

    CERN Document Server

    Grosso, Giuseppe

    2013-01-01

    Solid State Physics is a textbook for students of physics, material science, chemistry, and engineering. It is the state-of-the-art presentation of the theoretical foundations and application of the quantum structure of matter and materials. This second edition provides timely coverage of the most important scientific breakthroughs of the last decade (especially in low-dimensional systems and quantum transport). It helps build readers' understanding of the newest advances in condensed matter physics with rigorous yet clear mathematics. Examples are an integral part of the text, carefully de

  2. Narrow Sigma -hypernuclear states

    CERN Document Server

    Gal, A

    1980-01-01

    It is shown that the spin-isospin dependence of low-energy Sigma N to Lambda N conversion leads to substantial quenching of nuclear-matter estimates of the widths of some Sigma -hypernuclear states produced in (K/sup -/, pi ) reactions, to a level below 10 MeV. The estimated widths compare favorably with those of the Sigma -hypernuclear peaks recently observed at CERN for /sup 7/Li, /sup 9/Be, and /sup 12/C. Tentative quantum number assignments are suggested for these states. (10 refs).

  3. Solid-state circuits

    CERN Document Server

    Pridham, G J

    2013-01-01

    Solid-State Circuits provides an introduction to the theory and practice underlying solid-state circuits, laying particular emphasis on field effect transistors and integrated circuits. Topics range from construction and characteristics of semiconductor devices to rectification and power supplies, low-frequency amplifiers, sine- and square-wave oscillators, and high-frequency effects and circuits. Black-box equivalent circuits of bipolar transistors, physical equivalent circuits of bipolar transistors, and equivalent circuits of field effect transistors are also covered. This volume is divided

  4. Solid state theory

    CERN Document Server

    Harrison, Walter A

    2011-01-01

    ""A well-written text . . . should find a wide readership, especially among graduate students."" - Dr. J. I. Pankove, RCA.The field of solid state theory, including crystallography, semi-conductor physics, and various applications in chemistry and electrical engineering, is highly relevant to many areas of modern science and industry. Professor Harrison's well-known text offers an excellent one-year graduate course in this active and important area of research. While presenting a broad overview of the fundamental concepts and methods of solid state physics, including the basic quantum theory o

  5. Solid-State Nanopore

    Directory of Open Access Journals (Sweden)

    Zhishan Yuan

    2018-02-01

    Full Text Available Abstract Solid-state nanopore has captured the attention of many researchers due to its characteristic of nanoscale. Now, different fabrication methods have been reported, which can be summarized into two broad categories: “top-down” etching technology and “bottom-up” shrinkage technology. Ion track etching method, mask etching method chemical solution etching method, and high-energy particle etching and shrinkage method are exhibited in this report. Besides, we also discussed applications of solid-state nanopore fabrication technology in DNA sequencing, protein detection, and energy conversion.

  6. Mini mental state examination

    DEFF Research Database (Denmark)

    Kørner, Ejnar Alex; Lauritzen, Lise; Wang, August

    2008-01-01

    INTRODUCTION: The Mini Mental State Examination (MMSE) is widely used in Denmark, but often in non-validated versions. In 2000 a cross-sectional workgroup decided on a new common version of the MMSE with a corresponding manual, which is validated for the first time in the present study. MATERIALS...... the severity of dementia disorders. Udgivelsesdato: 2008-Feb-25...

  7. Crystalline beam ground state

    International Nuclear Information System (INIS)

    Wei, Jie; Li, Xiao-Ping; Sessler, A.M.

    1993-01-01

    In order to employ Molecular Dynamics method, commonly used in condensed matter physics, we have derived the equations of motion for a beam of charged particles in the rotating rest frame of the reference particle. We include in the formalism that the particles are confined by the guiding and focusing magnetic fields, and that they are confined in a conducting vacuum pipe while interacting with each other via a Coulomb force. Numerical simulations has been performed to obtain the equilibrium structure. The effects of the shearing force, centrifugal force, and azimuthal variation of the focusing strength are investigated. It is found that a constant gradient storage ring can not give a crystalline beam, but that an alternating-gradient (AG) structure can. In such a machine the ground state is, except for one-dimensional (1-D) crystals, time-dependent. The ground state is a zero entropy state, despite the time-dependent, periodic variation of the focusing force. The nature of the ground state, similar to that found by Rahman and Schiffer, depends upon the density and the relative focusing strengths in the transverse directions. At low density, the crystal is 1-D. As the density increases, it transforms into various kinds of 2-D and 3-D crystals. If the energy of the beam is higher than the transition energy of the machine, the crystalline structure can not be formed for lack of radial focusing

  8. Crystalline beam ground state

    International Nuclear Information System (INIS)

    Wei, Jie; Li, Xiao-Ping

    1993-01-01

    In order to employ molecular dynamics (MD) methods, commonly used in condensed matter physics, we have derived the equations of motion for a beam of charged particles in the rotating rest frame of the reference particle. We include in the formalism that the particles are confined by the guiding and focusing magnetic fields, and that they are confined in a conducting vacuum pipe while interacting with each other via a Coulomb force. Numerical simulations using MD methods has been performed to obtain the equilibrium crystalline beam structure. The effect of the shearing force, centrifugal force, and azimuthal variation of the focusing strength are investigated. It is found that a constant gradient storage ring can not give a crystalline beam, but that an alternating-gradient (AG) structure can. In such a machine the ground state is, except for one-dimensional (1-D) crystals, time dependent. The ground state is a zero entropy state, despite the time-dependent, periodic variation of the focusing force. The nature of the ground state, similar to that found by Schiffer et al. depends upon the density and the relative focusing strengths in the transverse directions. At low density, the crystal is 1-D. As the density increases, it transforms into various kinds of 2-D and 3-D crystals. If the energy of the beam is higher than the transition energy of the machine, the crystalline structure can not be formed for lack of radial focusing

  9. Decay of Hoyle state

    Indian Academy of Sciences (India)

    2014-11-02

    Nov 2, 2014 ... The prediction of Hoyle state was necessitated to explain the abundance of carbon, which is crucial for the existence of life on Earth and is the stepping stone for understanding the abundance of other heavier elements. After the experimental confirmation of its existence, soon it was realized that the Hoyle ...

  10. Nuclear ground state

    International Nuclear Information System (INIS)

    Negele, J.W.

    1975-01-01

    The nuclear ground state is surveyed theoretically, and specific suggestions are given on how to critically test the theory experimentally. Detailed results on 208 Pb are discussed, isolating several features of the charge density distributions. Analyses of 208 Pb electron scattering and muonic data are also considered. 14 figures

  11. The Islamic State unfiltered

    NARCIS (Netherlands)

    Gloerich, Inte; Rowson, Rose; Cachia, Rebecca; Clandillon, Susan; Kolopaking, Cristel

    Instagram has become an unsuspecting pulpit ­– seemingly caught off guard – for those determined to spread a militant message of Islamic State terror. Graphic, fanatical and oftentimes heavily photoshopped images weave through Instagram’s labyrinth of sunset snaps and gym selfies to advance a

  12. United States Attorney Prosecutions

    Science.gov (United States)

    1993-10-01

    property of CocaCola Bottling Company, Fayetteville, North Carolina, of a value in excess of $100.00, in violation of Title 18 United States Code, Section...another, to-wit: a Cocacola soft drink machine, the amount of damage to said personal property being more than $200.00, in violation of North Carolina

  13. State Skill Standards: Welding

    Science.gov (United States)

    Pointer, Mike; Naylor, Randy; Warden, John; Senek, Gene; Shirley, Charles; Lefcourt, Lew; Munson, Justin; Johnson, Art

    2005-01-01

    The Department of Education has undertaken an ambitious effort to develop statewide occupational skill standards. The standards in this document are for welding programs and are designed to clearly state what the student should know and be able to do upon completion of an advanced high-school program. The writing team determined that any statewide…

  14. State Skill Standards: Photography

    Science.gov (United States)

    Howell, Frederick; Reed, Loretta; Jensen, Capra; Robison, Gary; Taylor, Susan; Pavesich, Christine

    2007-01-01

    The Department of Education has undertaken an ambitious effort to develop statewide skill standards for all content areas in career and technical education. The standards in this document are for photography programs and are designed to clearly state what the student should know and be able to do upon completion of an advanced high-school program.…

  15. State Dependence in Unemployment

    DEFF Research Database (Denmark)

    Ahmad, Nisar

    2014-01-01

    This study examines the extent state dependence among unemployed immigrants in a dynamic discrete choice framework. Three alternative methodologies are employed to control for the problem of the initial condition. The empirical findings show that there is a considerable correlation between the un...

  16. State Energy Resilience Framework

    Energy Technology Data Exchange (ETDEWEB)

    Phillips, J. [Argonne National Lab. (ANL), Argonne, IL (United States); Finster, M. [Argonne National Lab. (ANL), Argonne, IL (United States); Pillon, J. [Argonne National Lab. (ANL), Argonne, IL (United States); Petit, F. [Argonne National Lab. (ANL), Argonne, IL (United States); Trail, J. [Argonne National Lab. (ANL), Argonne, IL (United States)

    2016-12-01

    The energy sector infrastructure’s high degree of interconnectedness with other critical infrastructure systems can lead to cascading and escalating failures that can strongly affect both economic and social activities.The operational goal is to maintain energy availability for customers and consumers. For this body of work, a State Energy Resilience Framework in five steps is proposed.

  17. 75 FR 31465 - United States, State of Illinois, State of Colorado, and State of Indiana

    Science.gov (United States)

    2010-06-03

    ..., and often offer full-service restaurants or in-service dining. Premiere theatres also differ from... selection is deemed not to be a suitable alternative, the United States shall in its sole discretion select... suitable alternative pursuant to Section VI(A). If AMC's selection is deemed not to be a suitable...

  18. Unequal Welfare States

    NARCIS (Netherlands)

    A.J. Soede; J.C. Vrooman; P.M. Ferraresi; G. Segre

    2004-01-01

    The financial sustainability of the ageing welfare states in Europe has become a key policy issue recently. This study highlights a different aspect of the ageing process, namely its potential impact on income distributions. Since older people usually live on a lower income, their growing share

  19. Control of Squeezed States

    OpenAIRE

    Bloch, Anthony M.; Rojo, Alberto G.

    2000-01-01

    In this paper we consider the classical and quantum control of squeezed states of harmonic oscillators. This provides a method for reducing noise below the quantum limit and provides an example of the control of under-actuated systems in the stochastic and quantum context. We consider also the interaction of a squeezed quantum oscillator with an external heat bath.

  20. Crystalline beam ground state

    International Nuclear Information System (INIS)

    Wei, J.; Li, X.P.

    1993-01-01

    In order to employ the Molecular Dynamics method, commonly used in condensed matter physics, the authors have derived the equations of motion for a beam of charged particles in the rotating rest frame of the reference particle. They include in the formalism that the particles are confined by the guiding and focusing magnetic fields, and that they are confined in a conducting vacuum pipe while interacting with each other via a Coulomb force. Numerical simulations has been performed to obtain the equilibrium structure. The effects of the shearing force, centrifugal force, and azimuthal variation of the focusing strength are investigated. It is found that a constant gradient storage ring can not give a crystalline beam, but that an alternating-gradient (AG) structure can. In such a machine the ground state is, except for one-dimensional (1-D) crystals, time-dependent. The ground state is a zero entropy state, despite the time-dependent, periodic variation of the focusing force. The nature of the ground state, similar to that found by Rahman and Schiffer, depends upon the density and the relative focusing strengths in the transverse directions. At low density, the crystal is 1-D. As the density increases, it transforms into various kinds of 2-D and 3-D crystals. If the energy of the beam is higher than the transition energy of the machine, the crystalline structure can not be formed for lack of radial focusing

  1. Present State Examination

    DEFF Research Database (Denmark)

    Pedersen, Kamilla; Bertelsen, Aksel

    Present State Examination (PSE) 5. udgave er en revideret version af speciallæge i psykiatri Aksel Bertelsens oprindelige materiale. Aksel Bertelsen er ophavsmand til PSE og til den danske udgave af ICD-10. Revisionen omfatter et forbedret layout, en modernisering af sproget, tilføjelse af...

  2. The Islamic State Unfiltered

    NARCIS (Netherlands)

    Gloerich, I.; Kolopaking, C.; Cachia, R.; Rowson, R.; Clandillon, Susan

    Instagram has become an unsuspecting pulpit ­– seemingly caught off guard – for those determined to spread a militant message of Islamic State terror. Graphic, fanatical and oftentimes heavily photoshopped images weave through Instagram’s labyrinth of sunset snaps and gym selfies to advance a

  3. Phase squeezed states

    International Nuclear Information System (INIS)

    Chizhov, A.V.; Paris, M.G.A.

    1998-01-01

    Phase squeezed states of a single mode radiation field have been introduced as eigenstates of a linear combination of lowering and raising operators. The explicit expression in the Fock basis has been obtained and some relevant properties have been illustrated. (author)

  4. State Virtual Libraries

    Science.gov (United States)

    Pappas, Marjorie L.

    2003-01-01

    Virtual library? Electronic library? Digital library? Online information network? These all apply to the growing number of Web-based resource collections managed by consortiums of state library entities. Some, like "INFOhio" and "KYVL" ("Kentucky Virtual Library"), have been available for a few years, but others are just starting. Searching for…

  5. The Liquid State

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 2; Issue 6. The Liquid State - The Arrangement of Atoms. K R Rao. General Article Volume 2 Issue 6 June 1997 pp 54-59. Fulltext. Click here to view fulltext PDF. Permanent link: https://www.ias.ac.in/article/fulltext/reso/002/06/0054-0059 ...

  6. State-set branching

    DEFF Research Database (Denmark)

    Jensen, Rune Møller; Veloso, Manuela M.; Bryant, Randal E.

    2008-01-01

    In this article, we present a framework called state-set branching that combines symbolic search based on reduced ordered Binary Decision Diagrams (BDDs) with best-first search, such as A* and greedy best-first search. The framework relies on an extension of these algorithms from expanding a sing...

  7. Singlet Ground State Magnetism:

    DEFF Research Database (Denmark)

    Loidl, A.; Knorr, K.; Kjems, Jørgen

    1979-01-01

    The magneticGamma 1 –Gamma 4 exciton of the singlet ground state system TbP has been studied by inelastic neutron scattering above the antiferromagnetic ordering temperature. Considerable dispersion and a pronounced splitting was found in the [100] and [110] directions. Both the band width...

  8. Plutonium valence state distributions

    International Nuclear Information System (INIS)

    Silver, G.L.

    1974-01-01

    A calculational method for ascertaining equilibrium valence state distributions of plutonium in acid solutions as a function of the plutonium oxidation number and the solution acidity is illustrated with an example. The method may be more practical for manual use than methods based upon polynomial equations. (T.G.)

  9. Create Your State

    Science.gov (United States)

    Dunham, Kris; Melvin, Samantha

    2011-01-01

    Students are often encouraged to work together with their classmates, sometimes with other classes, occasionally with kids at other schools, but rarely with kids across the country. In this article the authors describe the Create Your State project, a collaborative nationwide project inspired by the Texas Chair Project wherein the artist, Damien…

  10. Highways: Interstate, US & State

    Data.gov (United States)

    Earth Data Analysis Center, University of New Mexico — This dataset contains lines for all highways in the state of New Mexico. It is in a vector digital data structure digitized from a USGS 1:500,000 scale map of the...

  11. States of Matter

    Indian Academy of Sciences (India)

    Deepak Dhar. States of Matter. Deepak Dhar. Keywords. Solid, liquid, gas, glasses, powders. D Dhar is a theoretical physicist at the Tata. Institute of Funamental. Research, Mumbai. His research interests are mainly in the area of non- equilibrium statistical physics. All of us have read about solid, liquid and gaseous.

  12. Alaska State Legislature

    Science.gov (United States)

    Standing Committees Finance Committees Special Committees Joint Committees Conference Committees Other , administrative support to the Legislature and all divisions, and has the responsibility for accounting, payroll Information Offices within the state. Accounting Santé Lesh, Administrative Operations Manager 465-3852

  13. Afghanistan, state and society

    DEFF Research Database (Denmark)

    Kværnø, Ole

    In June 2007, the RAND Corporation and the Royal Danish Defence College hosted a conference titled “Afghanistan: State and Society, Great Power Politics, and the Way Ahead”. The two-day event, held in Copenhagen, was attended by more than 100 politicians, scholars, academics, and representative...

  14. Administering Our State Library Agencies

    Science.gov (United States)

    DuFrane, Gerard

    1970-01-01

    A satire on the application of scientific management principles to a state library agency. Covers relationships of the state librarian to staff, the profession, and state and federal governments. (Author/JS)

  15. Understanding the pointer states

    International Nuclear Information System (INIS)

    Alexandre Brasil, Carlos; Andreta de Castro, Leonardo

    2015-01-01

    In quantum mechanics, pointer states are eigenstates of the observable of the measurement apparatus that represent the possible positions of the display pointer of the equipment. The origin of this concept lies in attempts to fill the blanks in Everett’s relative-state interpretation, and to make it a fully valid description of physical reality. To achieve this, it was necessary to consider not only the main system interacting with the measurement apparatus (like von Neumann and Everett did) but also the role of the environment in eliminating correlations between different possible measurements when interacting with the measurement apparatus. The interaction of the environment with the main system (and the measurement apparatus) is the core of the decoherence theory, which followed Everett’s thesis. In this article, we review the measurement process according to von Neumann, Everett’s relative state interpretation, the purpose of decoherence and some of its follow-up until Wojciech Zurek’s primordial paper that consolidated the concept of pointer states, previously presented by Heinz Dieter Zeh. Employing a simple physical model consisting of a pair of two-level systems—one representing the main system, the other the measurement apparatus—and a thermal bath—representing the environment—we show how pointer states emerge, explaining its contributions to the question of measurement in quantum mechanics, as well as its limitations. Finally, we briefly show some of its consequences. This paper is accessible to readers with elementary knowledge about quantum mechanics, on the level of graduate courses. (paper)

  16. Paired Hall states

    International Nuclear Information System (INIS)

    Greiter, M.

    1992-01-01

    This dissertation contains a collection of individual articles on various topics. Their significance in the corresponding field as well as connections between them are emphasized in a general and comprehensive introduction. In the first article, the author explores the consequences for macroscopic effective Lagrangians of assuming that the momentum density is proportional to the flow of conserved current. The universal corrections obtained for the macroscopic Lagrangian of a superconductor describe the London Hall effect, and provide a fully consistent derivation of it. In the second article, a heuristic principle is proposed for quantized Hall states: the existence and incompressibility of fractionally quantized Hall states is explained by an argument based on an adiabatic localization of magnetic flux, the process of trading uniform flux for an equal amount of fictitious flux attached to the particles. This principle is exactly implemented in the third article. For a certain class of model Hamiltonians, the author obtains Laughlin's Jastrow type wave functions explicitly from a filled Landau level, by smooth extrapolation in quantum statistics. The generalization of this analysis to the torus geometry shows that theorems restricting the possibilities of quantum statistics on closed surfaces are circumvented in the presence of a magnetic field. In the last article, the existence is proposed of a novel incompressible quantum liquid, a paired Hall state, at a half filled Landau level. This state arises adiabatically from free fermions in zero magnetic field, and reduces to a state previously proposed by Halperin in the limit of tightly bound pairs. It supports unusual excitations, including neutral fermions and charge e/4 anyons with statistical parameter θ = π/8

  17. Coherent states and rational surfaces

    International Nuclear Information System (INIS)

    Brody, Dorje C; Graefe, Eva-Maria

    2010-01-01

    The state spaces of generalized coherent states associated with special unitary groups are shown to form rational curves and surfaces in the space of pure states. These curves and surfaces are generated by the various Veronese embeddings of the underlying state space into higher dimensional state spaces. This construction is applied to the parameterization of generalized coherent states, which is useful for practical calculations, and provides an elementary combinatorial approach to the geometry of the coherent state space. The results are extended to Hilbert spaces with indefinite inner products, leading to the introduction of a new kind of generalized coherent states.

  18. The State of Preschool 2012: State Preschool Yearbook. Executive Summary

    Science.gov (United States)

    Barnett, W. Steven; Carolan, Megan E.; Fitzgerald, Jen; Squires, James H.

    2012-01-01

    The 2012 "State Preschool Yearbook" profiles state-funded prekindergarten programs in the United States. The "Yearbook" compares each state program's standards against a checklist of 10 research-based quality standards benchmarks. Although the benchmarks against which the National Institute for Early Education Research (NIEER)…

  19. Quantum information with Gaussian states

    International Nuclear Information System (INIS)

    Wang Xiangbin; Hiroshima, Tohya; Tomita, Akihisa; Hayashi, Masahito

    2007-01-01

    Quantum optical Gaussian states are a type of important robust quantum states which are manipulatable by the existing technologies. So far, most of the important quantum information experiments are done with such states, including bright Gaussian light and weak Gaussian light. Extending the existing results of quantum information with discrete quantum states to the case of continuous variable quantum states is an interesting theoretical job. The quantum Gaussian states play a central role in such a case. We review the properties and applications of Gaussian states in quantum information with emphasis on the fundamental concepts, the calculation techniques and the effects of imperfections of the real-life experimental setups. Topics here include the elementary properties of Gaussian states and relevant quantum information device, entanglement-based quantum tasks such as quantum teleportation, quantum cryptography with weak and strong Gaussian states and the quantum channel capacity, mathematical theory of quantum entanglement and state estimation for Gaussian states

  20. Localized states in semiconductors

    International Nuclear Information System (INIS)

    Sarker, A.Q.

    1976-08-01

    The multi-valley effective mass formalism for the asymmetric energy surfaces developed in an earlier paper is extended for the calculations of the ground state energies of isocoric donors in Ge. The impurity potential is constructed from the k-dependent dielectric function of Ge and a variational trial wave function, belonging to an irreducible representation of the point group Tsub(d) of the Hamiltonian, is used. The calculated energy levels for the singlet A 1 and the triplet T 2 symmetries of the ls states for As in Ge is found to be of the same order (-9.6 to-12.8 meV) as observed experimentally; however, the predicted E(A 1 ) - E(T 2 ) splitting is rather too small (approximately -0.5 to -0.7 meV) compared with the observed value -4.23 meV

  1. Cutting state identification

    International Nuclear Information System (INIS)

    Berger, B.S.; Minis, I.; Rokni, M.

    1997-01-01

    Cutting states associated with the orthogonal cutting of stiff cylinders are identified through an analysis of the singular values of a Toeplitz matrix of third order cumulants of acceleration measurements. The ratio of the two pairs of largest singular values is shown to differentiate between light cutting, medium cutting, pre-chatter and chatter states. Sequences of cutting experiments were performed in which either depth of cut or turning frequency was varied. Two sequences of experiments with variable turning frequency and five with variable depth of cut, 42 cutting experiments in all, provided a database for the calculation of third order cumulants. Ratios of singular values of cumulant matrices find application in the analysis of control of orthogonal cutting

  2. Thermodynamics of Crystalline States

    CERN Document Server

    Fujimoto, Minoru

    2013-01-01

    Thermodynamics is a well-established discipline of physics for properties of matter in thermal equilibrium with the surroundings. Applying to crystals, however, the laws encounter undefined properties of crystal lattice, which therefore need to be determined for a clear and well-defined description of crystalline states. Thermodynamics of Crystalline States explores the roles played by order variables and dynamic lattices in crystals in a wholly new way. The book begins by clarifying basic concepts for stable crystals. Next, binary phase transitions are discussed to study collective motion of order variables, as described mostly as classical phenomena. New to this edition is the examination of magnetic crystals, where magnetic symmetry is essential for magnetic phase transitions. The multi-electron system is also discussed  theoretically, as a quantum-mechanical example, for superconductivity in metallic crystals. Throughout the book, the role played by the lattice is emphasized and studied in-depth. Thermod...

  3. Parallel Polarization State Generation.

    Science.gov (United States)

    She, Alan; Capasso, Federico

    2016-05-17

    The control of polarization, an essential property of light, is of wide scientific and technological interest. The general problem of generating arbitrary time-varying states of polarization (SOP) has always been mathematically formulated by a series of linear transformations, i.e. a product of matrices, imposing a serial architecture. Here we show a parallel architecture described by a sum of matrices. The theory is experimentally demonstrated by modulating spatially-separated polarization components of a laser using a digital micromirror device that are subsequently beam combined. This method greatly expands the parameter space for engineering devices that control polarization. Consequently, performance characteristics, such as speed, stability, and spectral range, are entirely dictated by the technologies of optical intensity modulation, including absorption, reflection, emission, and scattering. This opens up important prospects for polarization state generation (PSG) with unique performance characteristics with applications in spectroscopic ellipsometry, spectropolarimetry, communications, imaging, and security.

  4. Bringing Different States in

    DEFF Research Database (Denmark)

    Breidahl, Karen Nielsen; Fersch, Barbara

    2018-01-01

    Migration scholars have long been concerned with understanding what influences the incorporation of migrants into their host societies. The theoretical development in this field has been dominated for several years by North American migration scholars who have not been much interested...... of the article, it is exemplified how these insights can be applied when studying the Danish welfare state in a comparative perspective, drawing on examples on the influence of family policies on migrants’ attitudes towards women’s paid work....... in the influence of welfare state institutions. In recent years, European migration scholars have, however, contributed to important insights on the impact of the national integration context on the socioeconomic incorporation of migrants. The aim of this article is to contribute to this burgeoning research field...

  5. Models of multiquark states

    International Nuclear Information System (INIS)

    Lipkin, H.J.

    1986-01-01

    The success of simple constituent quark models in single-hardon physics and their failure in multiquark physics is discussed, emphasizing the relation between meson and baryon spectra, hidden color and the color matrix, breakup decay modes, coupled channels, and hadron-hadron interactions via flipping and tunneling of flux tubes. Model-independent predictions for possible multiquark bound states are considered and the most promising candidates suggested. A quark approach to baryon-baryon interactions is discussed

  6. Weak states and security

    OpenAIRE

    Rakipi, Albert

    2006-01-01

    Cataloged from PDF version of article. Although the weak 1 failing states have often been deseribed as the single most important problem for the international order s ince the en d of Cold W ar (F .Fukuyaına 2004:92) several dimensions of this phenomenon still remain unexplored. While this phenomenon has been present in the international politics even earlier, only the post Cold W ar period accentuated its relationship with security issues. Following the Cold W ar' s "peacef...

  7. Algebras of Information States

    Czech Academy of Sciences Publication Activity Database

    Punčochář, Vít

    2017-01-01

    Roč. 27, č. 5 (2017), s. 1643-1675 ISSN 0955-792X R&D Projects: GA ČR(CZ) GC16-07954J Institutional support: RVO:67985955 Keywords : information states * relational semantics * algebraic semantics * intuitionistic logic * inquisitive disjunction Subject RIV: AA - Philosophy ; Religion OBOR OECD: Philosophy, History and Philosophy of science and technology Impact factor: 0.909, year: 2016

  8. Commonwealth of (Independent States

    Directory of Open Access Journals (Sweden)

    Vrućinić Dušan

    2013-01-01

    Full Text Available Following the stages from the establishment itself to the present day of the functioning of such a specific regional organization as the Commonwealth of Independent States (CIS, the article seeks to further explain the meaning of its existence, efficiency and functioning. The CIS was created in order to make the dissolution of a major world super-power, which throughout the 20th century together with the USA defined the bipolar world, as painless as possible, especially for the new countries and its nationally and ethnically diverse population. During the early years after the dissolution of the USSR, the CIS played a major role in a more flexible and less severe dissolution of the Soviet empire, alleviating the consequences for its people. A more efficient functioning among the republics in all fields was also one of the tasks of the Commonwealth, to which it was devoted to the extent which was permitted by the then, not too favourable circumstances. Difficult years of economic crisis did not allow the CIS to mutually integrate its members as much as possible on the economy level. Thanks to the economic recovery of the post-Soviet states in the early 21st century, the Commonwealth has also been transformed, reformed, and renewed, and all this in order to achieve better and more fruitful cooperation between the members. The CIS may serve as a proper example of how the former Soviet Union states are inextricably linked by social, security-political, economic, cultural, communication-transport, and other ties, thanks to the centuries-long existence of the peoples of these states in this area, despite both internal and external factors which occasionally, but temporarily halt the post-Soviet integration. Mathematically expressed, the CIS members are naturally predisposed, to be reciprocally depended on each other, just as they also have the capacity for successful cooperation in the future times and epochs brought on by the modern world.

  9. Nevada state revenues analysis

    International Nuclear Information System (INIS)

    1988-06-01

    This report analyzes the major sources of revenue to the Nevada State General Fund for purposes of estimating impacts associated with the siting of a nuclear waste repository at Yucca Mountain in Nye County, Nevada. Each major revenue source is analyzed to identify relationships among the economic or demographic base, the revenue base, and the revenues generated. Trends and changes in the rates and/or base are highlighted. A model is developed for each revenue source to allow impact estimation

  10. Solid state detector design

    International Nuclear Information System (INIS)

    Gunarwan Prayitno; Ahmad Rifai

    2010-01-01

    Much has been charged particle detector radiation detector made by the industry, especially those engaged in the development of detection equipment and components. The development and further research will be made solid state detector with silicon material. To be able to detect charged particles (radiation), required the processing of silicon material into the detector material. The method used to make silicon detector material is a lithium evaporations. Having formed an intrinsic region contactor installation process, and with testing. (author)

  11. Investigating Quantum Modulation States

    Science.gov (United States)

    2016-03-01

    Coherent state quantum data encryption is highly interoperable with current classical optical infrastructure in both fiber and free space optical networks...hub’s field of regard has a transmit/receive module that are endpoints of the Lyot filter stage tree within the hub’s backend electro-optics control... mobile airborne and space-borne networking. Just like any laser communication technology, QC links are affected by several sources of distortions

  12. State Controled Avantgarde?

    DEFF Research Database (Denmark)

    Kreutzfeldt, Jacob

    2016-01-01

    State controlled radio developed in the Nordic countries by the middle of the 1920es. Danish Radio was established for a trial period in April 1925, and was permanently founded in April 1926. Swedish radio was founded in 1925 and Norwegian radio in 1933. The new and unquestionably powerful medium...... to the program sheet from Danish Broadcasting Corporation (DBC) the program included transmission of music from the Radio Orchestra, sound film and transmissions from theatres and dance restaurants in Copenhage...

  13. Tracking intruder states

    Energy Technology Data Exchange (ETDEWEB)

    Riedinger, L L; Mueller, W F; Yu, C H [Tennessee Univ., Knoxville, TN (United States). Dept. of Physics

    1992-08-01

    The deformation-driving effects of intruder states are studied by analysis of various types of data on rotational bands in rare-earth deformed nuclei. The sensitivity of four measurables (bandhead energy, B(E2) value, neutron i{sub 13/2} crossing frequency, and signature splitting) to increased deformation in an intruder band is shown. The analysis of signature splitting systematics is extended to known superdeformed bands. (author). 22 refs., 5 figs.

  14. On coherent states

    International Nuclear Information System (INIS)

    Polubarinov, I.V.

    1975-01-01

    A definition of the coherent state representation is given in this paper. In the representation quantum theory equations take the form of classical field theory equations (with causality inherent to the latter) not only in simple cases (free field and interactions with an external current or field), but also in the general case of closed systems of interacting fields. And, conversely, a classical field theory can be transformed into a form of a quantum one

  15. The nuclear state

    International Nuclear Information System (INIS)

    Jungk, R.

    1979-01-01

    A general picture is given of the technical and sociological problems which it is said arise in the 'nuclear state'. Separate chapters are entitled: radiation fodder; the gamblers; the atomic man; the intimidated; the proliferators; atomic terrorists; the supervised. The Foreword, entitled 'the hard path' (i.e. with nuclear power) is contrasted with a final chapter entitled 'Prospect: the soft path' (i.e. without nuclear power). (U.K.)

  16. United States rejoin ITER

    International Nuclear Information System (INIS)

    Roberts, M.

    2003-01-01

    Upon pressure from the United States Congress, the US Department of Energy had to withdraw from further American participation in the ITER Engineering Design Activities after the end of its commitment to the EDA in July 1998. In the years since that time, changes have taken place in both the ITER activity and the US fusion community's position on burning plasma physics. Reflecting the interest in the United States in pursuing burning plasma physics, the DOE's Office of Science commissioned three studies as part of its examination of the option of entering the Negotiations on the Agreement on the Establishment of the International Fusion Energy Organization for the Joint Implementation of the ITER Project. These were a National Academy Review Panel Report supporting the burning plasma mission; a Fusion Energy Sciences Advisory Committee (FESAC) report confirming the role of ITER in achieving fusion power production, and The Lehman Review of the ITER project costing and project management processes (for the latter one, see ITER CTA Newsletter, no. 15, December 2002). All three studies have endorsed the US return to the ITER activities. This historical decision was announced by DOE Secretary Abraham during his remarks to employees of the Department's Princeton Plasma Physics Laboratory. The United States will be working with the other Participants in the ITER Negotiations on the Agreement and is preparing to participate in the ITA

  17. Variational transition state theory

    International Nuclear Information System (INIS)

    Truhlar, D.G.

    1986-01-01

    This project is concerned with the development and applications of generalized transition state theory and multidimensional tunneling approximations to chemical reaction rates. They have developed and implemented several practical versions of variational transition state theory (VTST), namely canonical variational theory (CVT), improved canonical variational theory (ICVT), and microcanonical variational theory (μVT). They have also developed and implemented several accurate multidimensional semiclassical tunneling approximations, the most accurate of which are the small-curvature semiclassical adiabatic (SCSA), large-curvature version-3 (LC3), and least-action (LA) approximations. They have applied the methods to thermal rate constants, using transmission coefficients based on ground-state tunneling, and they have also presented and applied adiabatic and diabatic extensions to calculated rate constants for vibrationally excited reactants. Their general goal is to develop accurate methods for calculating chemical reaction rate constants that remain practical even for reasonably complicated molecules. The approximations mentioned above yield rate constants for systems whose potential energy surface is known or assumed. Thus a second, equally important aspect of their work is the determination or modeling, semi-empirically and/or from electronic structure calculations, of potential energy surfaces

  18. JWL Equation of State

    Energy Technology Data Exchange (ETDEWEB)

    Menikoff, Ralph [Los Alamos National Laboratory

    2015-12-15

    The JWL equation of state (EOS) is frequently used for the products (and sometimes reactants) of a high explosive (HE). Here we review and systematically derive important properties. The JWL EOS is of the Mie-Grueneisen form with a constant Grueneisen coefficient and a constants specific heat. It is thermodynamically consistent to specify the temperature at a reference state. However, increasing the reference state temperature restricts the EOS domain in the (V, e)-plane of phase space. The restrictions are due to the conditions that P ≥ 0, T ≥ 0, and the isothermal bulk modulus is positive. Typically, this limits the low temperature regime in expansion. The domain restrictions can result in the P-T equilibrium EOS of a partly burned HE failing to have a solution in some cases. For application to HE, the heat of detonation is discussed. Example JWL parameters for an HE, both products and reactions, are used to illustrate the restrictions on the domain of the EOS.

  19. Deep inelastic final states

    International Nuclear Information System (INIS)

    Girardi, G.

    1980-11-01

    In these lectures we attempt to describe the final states of deep inelastic scattering as given by QCD. In the first section we shall briefly comment on the parton model and give the main properties of decay functions which are of interest for the study of semi-inclusive leptoproduction. The second section is devoted to the QCD approach to single hadron leptoproduction. First we recall basic facts on QCD log's and derive after that the evolution equations for the fragmentation functions. For this purpose we make a short detour in e + e - annihilation. The rest of the section is a study of the factorization of long distance effects associated with the initial and final states. We then show how when one includes next to leading QCD corrections one induces factorization breaking and describe the double moments useful for testing such effects. The next section contains a review on the QCD jets in the hadronic final state. We begin by introducing the notion of infrared safe variable and defining a few useful examples. Distributions in these variables are studied to first order in QCD, with some comments on the resummation of logs encountered in higher orders. Finally the last section is a 'gaullimaufry' of jet studies

  20. Plant state display device

    International Nuclear Information System (INIS)

    Kadota, Kazuo; Ito, Toshiichiro.

    1994-01-01

    The device of the present invention conducts information processing suitable for a man to solve a problem in a plant such as a nuclear power plant incorporating a great amount of information, where safety is required and provides information to an operator. Namely, theories and rules with respect to the flow and balanced state of materials and energy upon plant start-up, and a vapor cycle of operation fluids are symbolized and displayed on the display screen of the device. Then, the display of the plant information suitable to the information processing for a man to dissolve problems is provided. Accordingly, a mechanism for analyzing a purpose of the plant is made more definite, thereby enabling to prevent an erroneous judgement of an operator and occurrence of plant troubles. In addition, a simular effect can also be expected when the theories and rules with respect to the flow and the balanced state of materials and energy and thermohydrodynamic behavior of the operation fluids in a state of after-heat removing operation during shutdown of the plant are symbolized and displayed. (I.S.)

  1. Information Equation of State

    Directory of Open Access Journals (Sweden)

    M. Paul Gough

    2008-07-01

    Full Text Available Landauer’s principle is applied to information in the universe. Once stars began forming there was a constant information energy density as the increasing proportion of matter at high stellar temperatures exactly compensated for the expanding universe. The information equation of state was close to the dark energy value, w = -1, for a wide range of redshifts, 10 > z > 0.8, over one half of cosmic time. A reasonable universe information bit content of only 1087 bits is sufficient for information energy to account for all dark energy. A time varying equation of state with a direct link between dark energy and matter, and linked to star formation in particular, is clearly relevant to the cosmic coincidence problem. In answering the ‘Why now?’ question we wonder ‘What next?’ as we expect the information equation of state to tend towards w = 0 in the future.c

  2. United States advanced technologies

    International Nuclear Information System (INIS)

    Longenecker, J.R.

    1985-01-01

    In the United States, the advanced technologies have been applied to uranium enrichment as a means by which it can be assured that nuclear fuel cost will remain competitive in the future. The United States is strongly committed to the development of advanced enrichment technology, and has brought both advanced gas centrifuge (AGC) and atomic vapor laser isotope separation (AVLIS) programs to a point of significant technical refinement. The ability to deploy advanced technologies is the basis for the confidence in competitive future price. Unfortunately, the development of advanced technologies is capital intensive. The year 1985 is the key year for advanced technology development in the United States, since the decision on the primary enrichment technology for the future, AGC or AVLIS, will be made shortly. The background on the technology selection process, the highlights of AGC and AVLIS programs and the way to proceed after the process selection are described. The key objective is to maximize the sales volume and minimize the operating cost. This will help the utilities in other countries supply low cost energy on a reliable, long term basis. (Kako, I.)

  3. Overlaps of partial Néel states and Bethe states

    International Nuclear Information System (INIS)

    Foda, O; Zarembo, K

    2016-01-01

    Partial Néel states are generalizations of the ordinary Néel (classical anti-ferromagnet) state that can have arbitrary integer spin. We study overlaps of these states with Bethe states. We first identify this overlap with a partial version of reflecting-boundary domain-wall partition function, and then derive various determinant representations for off-shell and on-shell Bethe states. (paper: quantum statistical physics, condensed matter, integrable systems)

  4. State estimation in networked systems

    NARCIS (Netherlands)

    Sijs, J.

    2012-01-01

    This thesis considers state estimation strategies for networked systems. State estimation refers to a method for computing the unknown state of a dynamic process by combining sensor measurements with predictions from a process model. The most well known method for state estimation is the Kalman

  5. Functional State Modelling of Cultivation Processes: Dissolved Oxygen Limitation State

    Directory of Open Access Journals (Sweden)

    Olympia Roeva

    2015-04-01

    Full Text Available A new functional state, namely dissolved oxygen limitation state for both bacteria Escherichia coli and yeast Saccharomyces cerevisiae fed-batch cultivation processes is presented in this study. Functional state modelling approach is applied to cultivation processes in order to overcome the main disadvantages of using global process model, namely complex model structure and a big number of model parameters. Alongwith the newly introduced dissolved oxygen limitation state, second acetate production state and first acetate production state are recognized during the fed-batch cultivation of E. coli, while mixed oxidative state and first ethanol production state are recognized during the fed-batch cultivation of S. cerevisiae. For all mentioned above functional states both structural and parameter identification is here performed based on experimental data of E. coli and S. cerevisiae fed-batch cultivations.

  6. Teleportations of Mixed States and Multipartite Quantum States

    Institute of Scientific and Technical Information of China (English)

    YU Chang-Shui; WANG Ya-Hong; SONG He-Shan

    2007-01-01

    In this paper, we propose a protocol to deterministically teleport an unknown mixed state of qubit by utilizing a maximally bipartite entangled state of qubits as quantum channel. Ifa non-maximally entangled bipartite pure state is employed as quantum channel, the unknown mixed quantum state of qubit can be teleported with 1 - √1 - C2 probability, where C is the concurrence of the quantum channel. The protocol can also be generalized to teleport a mixed state of qudit or a multipartite mixed state. More important purpose is that, on the basis of the protocol, the teleportation of an arbitrary multipartite (pure or mixed) quantum state can be decomposed into the teleportation of each subsystem by employing separate entangled states as quantum channels. In the case of deterministic teleportation,Bob only needs to perform unitary transformations on his single particles in order to recover the initial teleported multipartite quantum state.

  7. Coherent states in quantum mechanics

    International Nuclear Information System (INIS)

    Rodrigues, R. de Lima; Fernandes Junior, Damasio; Batista, Sheyla Marques

    2001-12-01

    We present a review work on the coherent states is non-relativistic quantum mechanics analysing the quantum oscillators in the coherent states. The coherent states obtained via a displacement operator that act on the wave function of ground state of the oscillator and the connection with Quantum Optics which were implemented by Glauber have also been considered. A possible generalization to the construction of new coherent states it is point out. (author)

  8. Coherent states in quantum mechanics

    CERN Document Server

    Rodrigues, R D L; Fernandes, D

    2001-01-01

    We present a review work on the coherent states is non-relativistic quantum mechanics analysing the quantum oscillators in the coherent states. The coherent states obtained via a displacement operator that act on the wave function of ground state of the oscillator and the connection with Quantum Optics which were implemented by Glauber have also been considered. A possible generalization to the construction of new coherent states it is point out.

  9. State Energy Program Operations Manual

    Energy Technology Data Exchange (ETDEWEB)

    Office of Building Technology, State and Community Programs

    1999-03-17

    The State Energy Program Operations Manual is a reference tool for the states and the program officials at the U.S. Department of Energy's Office of Building Technology, State and Community Programs and Regional Support Offices as well as State Energy Offices. The Manual contains information needed to apply for and administer the State Energy Program, including program history, application rules and requirements, and program administration and monitoring requirements.

  10. The United States

    International Nuclear Information System (INIS)

    Art, R.J.

    1991-01-01

    This paper reports that at least in the national security arena, the outcomes of bureaucratic infighting and domestic political struggles are not determined wholly by what goes on with the state. Rather struggles among contending groups are greatly affected by what is perceived to be happening outside the nation. Because external conditions give greater potency to some domestic forces over other, the external environment is never neutral in its domestic impact. The decisions of the period 1950-53 discussed above illustrate the point. But so too do the decisions of 1947, 1960-61 and 1969-72. In the 1947 case, Soviet intransigence provoked US nuclear rearmament. In the 1960-61 case, extended deterrent considerations pushed the United States to preserve its again newly discovered nuclear superiority. In the 1969-72 case, a Soviet determination to remain equal forced US acceptance of nuclear equality. And perhaps the best evidence of all, the perpetuation of parity ended the US inclination to resort to nuclear brinkmanship. In each instance, concerns about relative position heavily affected nuclear choice. Finally, the events of the past three years testify to the effects of international events on domestic choice. Under the terms of the 1987 INF Treaty, the two superpowers decided to dismantle and destroy an entire class of missiles of intermediate range (500-3000 kilometers) that both had deployed in Europe in the 1970s and 1980s, and in their June 1990 joint statement on strategic nuclear weapons, President Gorbachev and Brush agreed to cut the number of Soviet and US long range nuclear forces by 30 per cent. This agreement marks a watershed in US-Soviet strategic arm negotiations because for the first time the United States and the Soviet Union agreed in principals to reduce the number of weapons aimed at one another. Between 1985 and 1990 the cold war was brought to a close

  11. Legislative update: United States

    International Nuclear Information System (INIS)

    Anon.

    2007-01-01

    The US Senate consented to the ratification of the Convention on Supplementary Compensation for Nuclear Damage (CSC) on 4 August 2006. The entry into force of the Convention on Supplementary Compensation will substantially change the face of the international nuclear liability regime. The CSC is a free-standing instrument, open to all states. This means that countries can become party to a new global regime providing for liability and compensation for victims of a nuclear incident, without also having to become a contracting party to the Paris Convention or the Vienna Convention. This is certainly a major step forward given that at the present time, over half of the world's reactors in operation or under construction are not covered by any of the international nuclear third party liability conventions. The CSC creates an instrument by which states can ensure that more money will be made available to compensate more victims for a broader range of damage than ever before. The CSC provides for two tiers of compensation. The first tier, fixed at 300 million Special Drawing Rights, is to be provided by the liable operator. This tier is to be distributed on a non-discriminatory basis to victims both inside and outside of the Installation State. If 300 million SDRs are insufficient to compensate all damage, then contracting parties will be required to contribute to the second tier (the international fund). The amount of this second tier is not fixed, but rather will depend on the number of operating nuclear power plants in contracting parties, and is designed to increase as the number of such plants increases

  12. Solid state physics

    CERN Document Server

    Burns, Gerald

    2013-01-01

    The objective of Solid State Physics is to introduce college seniors and first-year graduate students in physics, electrical engineering, materials science, chemistry, and related areas to this diverse and fascinating field. I have attempted to present this complex subject matter in a coherent, integrated manner, emphasizing fundamental scientific ideas to give the student a strong understanding and ""feel"" for the physics and the orders of magnitude involved. The subject is varied, covering many important, sophisticated, and practical areas, which, at first, may appear unrelated but which ar

  13. Nuclear molecular states

    International Nuclear Information System (INIS)

    Abe, Y.

    1975-01-01

    The effects of polarization on the stability of α-cluster structures in 8 Be and 12 C nuclei are studied in the intrinsic states. The extent of the polarization of α-clusters is investigated by employing a molecular-orbital model. Two α-cluster structure of 8 Be is shown to be extremely stable, and a triangular configuration of three α-clusters is also shown to be stable, but the polarizations of α-clusters are found rather large. Gruemmer--Faessler's method is discussed and their results are shown to be trivial

  14. Two electron Rydberg states

    International Nuclear Information System (INIS)

    Cooke, W.E.

    1981-01-01

    This paper addresses the study of two-electron Rydberg atoms. With Multichannel Quantum Defect Theory (MQDT), there is a technique for characterizing a spectra in terms of a small number of parameters. A survey of some important effects specific to two-electon Rydberg states, using primarily the alkaline earth atoms for examples, is made. The remainder of the paper deals with a discussion of the electron-electron interaction, including some of the basic points of MQDT. Energy exchange between two electrons is also addressed

  15. Advanced solid state batteries

    Energy Technology Data Exchange (ETDEWEB)

    Levasseur, A; Delmas, C; Menetrier, M; Hagenmuller, P

    1984-01-01

    Direct electrochemical storage of electricity is attractive because of its adaptability to vehicle traction as well as to stationary applications. Important advancements are necessary to improve primary or secondary batteries so far used. The aim of this study was to develop and to characterize materials for the next generation of advanced, rechargeable solid state batteries for vehicle transport and stationary storage applications. One of the best electricity storage systems was the lithium/intercalation compound secondary battery, though up to now the behavior of liquid organic electrolytes did not allow for good recycling in such systems. The research program for these batteries is described.

  16. Triggers of State Failure

    Science.gov (United States)

    2010-03-01

    à 1990) à l’aide de données collatérales additionnelles. Les auteurs du document n’ont pas essayé de suivre les événements qui étaient en cours...défaillance étatique, et les auteurs du document ont reconnu qu’il ne serait pas très utile de reproduire toutes ces informations. Le document s’appuie le...30 Carment, David. Assessing state failure: implications for theory and policy. in Third World Quarterly. Vol 24, no 3. pp 407-427. 30 DRDC

  17. ECO INDUSTRIAL STATE

    Directory of Open Access Journals (Sweden)

    Mariana López Pascual

    2015-06-01

    The facades will become aesthetically pleasing for the public space or such with the installation of a new technology of a photovoltaic-glass with transparency that can be used for windows or displays. A social program of artistic murals will accompany this with the aim for awareness on environmental protection. This is a project seeks to intervene in the public space, inviting the private sector for the economic investment and nurture to gives neighbours and all Barcelona's citizens a new and attractive image of this Industrial State

  18. Solid state optical microscope

    Science.gov (United States)

    Young, Ian T.

    1983-01-01

    A solid state optical microscope wherein wide-field and high-resolution images of an object are produced at a rapid rate by utilizing conventional optics with a charge-coupled photodiode array. A galvanometer scanning mirror, for scanning in one of two orthogonal directions is provided, while the charge-coupled photodiode array scans in the other orthogonal direction. Illumination light from the object is incident upon the photodiodes, creating packets of electrons (signals) which are representative of the illuminated object. The signals are then processed, stored in a memory, and finally displayed as a video signal.

  19. Nuclear quasimolecular states

    International Nuclear Information System (INIS)

    Ritz, Thorsten; Scheid, Werner; Schmidt, Juergen

    1996-01-01

    Two aspects are reported: (a) Resonances in the scattering of 12 C on 12 C are interpreted within a phenomenological model of two oblately deformed 12 C nuclei. The corresponding quasibound states describe the nuclei rotating around the internuclear axis and carrying out butterfly and radial oscillations; (b) Angle-integrated cross sections of the scattering of 58 Ni on 58 Ni are calculated with the coupled channel method by taking the low energy spectrum of 58 Ni into account and compared with recent experimental data of Cindro et al. in the energy range between E cm = 110 and 115 MeV. (authors)

  20. Solid state mechanics

    International Nuclear Information System (INIS)

    Habib, P.

    1988-01-01

    The 1988 progress report of the Solid State Mechanics laboratory (Polytechnic School, France) is presented. The research program domains are the following: investigations concerning the stability and bifurcation of the reversible or irreversible mechanical systems, the problems related to the theoretical and experimental determination of the materials rheological properties, the fatigue crack formation and propagation in multiple-axial stress conditions, the expert systems, and the software applied in the reinforced earth structures dimensioning. Moreover, the published papers, the books, the congress communications, the thesis, and the patents are listed [fr

  1. Transcending the nation state

    DEFF Research Database (Denmark)

    Cort, Pia

    2009-01-01

    competition. This article surveys vocational education and training models in Europe, applying a discursive institutionalist perspective in order to describe how vocational education and training as an institution is being reframed by means of the Copenhagen Process, and concludes that a European model......Throughout Europe, vocational education and training is undergoing reform and modernisation as part of a common EU policy process, the Copenhagen Process. The aim of this Process is initiate a pan-European modernisation of vocational education and training in order to meet the challenges of global...... is under construction which aims to transcend the nation state by introducing a new way of "thinking" vocational education and training....

  2. Polynomial intelligent states

    International Nuclear Information System (INIS)

    Milks, Matthew M; Guise, Hubert de

    2005-01-01

    The construction of su(2) intelligent states is simplified using a polynomial representation of su(2). The cornerstone of the new construction is the diagonalization of a 2 x 2 matrix. The method is sufficiently simple to be easily extended to su(3), where one is required to diagonalize a single 3 x 3 matrix. For two perfectly general su(3) operators, this diagonalization is technically possible but the procedure loses much of its simplicity owing to the algebraic form of the roots of a cubic equation. Simplified expressions can be obtained by specializing the choice of su(3) operators. This simpler construction will be discussed in detail

  3. State laws on tobacco control--United States, 1998.

    Science.gov (United States)

    Fishman, J A; Allison, H; Knowles, S B; Fishburn, B A; Woollery, T A; Marx, W T; Shelton, D M; Husten, C G; Eriksen, M P

    1999-06-25

    State laws addressing tobacco use, the leading preventable cause of death in the United States, are summarized. Laws address smoke-free indoor air, minors' access to tobacco products, advertising of tobacco products, and excise taxes on tobacco products. Legislation effective through December 31, 1998. CDC identified laws addressing tobacco control by using an on-line legal research database. CDC's findings were verified with the National Cancer Institute's State Cancer Legislative Database. Since a previous surveillance summary on state tobacco-control laws published in November 1995 (covering legislation effective through June 30, 1995), several states have enacted new restrictions or strengthened existing legislation that addresses smoke-free indoor air, minors' access to tobacco, tobacco advertising, and tobacco taxes. Five states strengthened their smoke-free indoor air legislation. All states and Washington, D.C., continued to prohibit the sale and distribution of tobacco products to minors; however, 21 states expanded minors' access laws by designating enforcement authorities, adding license suspension or revocation for sale to minors, or requiring signage. Since the 1995 report, eight additional states (a total of 19 states and Washington, D.C.) now ban vending machines from areas accessible to minors. Thirteen states restrict advertising of tobacco products, an increase of four states since the 1995 report. Although the number of states that tax cigarettes and smokeless tobacco did not change, 13 states increased excise taxes on cigarettes, and five states increased excise taxes on smokeless tobacco products. The average state excise tax on cigarettes is 38.9 cents per pack, an increase of 7.4 cents compared with the average tax in the 1995 report. State laws addressing tobacco control vary in relation to restrictiveness, enforcement and penalties, preemptions, and exceptions. The data summarizing state tobacco-control laws are available through CDC

  4. Parameter and State Estimator for State Space Models

    Directory of Open Access Journals (Sweden)

    Ruifeng Ding

    2014-01-01

    Full Text Available This paper proposes a parameter and state estimator for canonical state space systems from measured input-output data. The key is to solve the system state from the state equation and to substitute it into the output equation, eliminating the state variables, and the resulting equation contains only the system inputs and outputs, and to derive a least squares parameter identification algorithm. Furthermore, the system states are computed from the estimated parameters and the input-output data. Convergence analysis using the martingale convergence theorem indicates that the parameter estimates converge to their true values. Finally, an illustrative example is provided to show that the proposed algorithm is effective.

  5. State of the art

    International Nuclear Information System (INIS)

    Lederman, L.M.

    1983-01-01

    There is a large body of experience in high luminosity data taking in fixed target research. We try to consider a wide variety of high rate experiments which were limited by the detector (not by available beam) to a preset number of collisions per second. We then attempt to translate these state-of-the-art experiments to effective collider experiments. To this end, we extend the chosen detector to a comparison 4π collider detector operating near 1 TeV. There are several issues: (1) effective solid angle must be translated to approx. = 4π, (2) environments may be quite different, e.g., beam dump near fixed target or beam halo muons vs. collider backgrounds, (3) the multiplicity varies over the experiments selected and (4) we have to treat open vs closed geometries. The large variety of experiments selected is designed to average over the causes for detector limitation. Finally we chose detectors which have produced physics in order to gauge the state of the art

  6. Solid state magnetism

    CERN Document Server

    Crangle, John

    1991-01-01

    Solid state magnetism is important and attempts to understand magnetic properties have led to an increasingly deep insight into the fundamental make up of solids. Both experimental and theoretical research into magnetism continue to be very active, yet there is still much ground to cover before there can be a full understanding. There is a strong interplay between the developments of materials science and of magnetism. Hundreds of new materials have been dis­ covered, often with previously unobserved and puzzling magnetic prop­ erties. A large and growing technology exists that is based on the magnetic properties of materials. Very many devices used in everyday life involve magnetism and new applications are being invented all the time. Under­ standing the fundamental background to the applications is vital to using and developing them. The aim of this book is to provide a simple, up-to-date introduction to the study of solid state magnetism, both intrinsic and technical. It is designed to meet the needs a...

  7. Metastable states in magnetic nanorings

    DEFF Research Database (Denmark)

    Castaño, F. J.; Ross, C. A.; Frandsen, Cathrine

    2003-01-01

    Magnetization states and hysteresis behavior of small ferromagnetic rings, of diameters 180-520 nm, have been investigated using magnetic force microscopy. In addition to the expected bi-domain ("onion") and flux-closed ("vortex") magnetization states, a metastable state has been found. This "twi......Magnetization states and hysteresis behavior of small ferromagnetic rings, of diameters 180-520 nm, have been investigated using magnetic force microscopy. In addition to the expected bi-domain ("onion") and flux-closed ("vortex") magnetization states, a metastable state has been found....... This "twisted" state contains a 360degrees domain wall which can exist over a wide range of applied fields. Four possible configurations of the twisted state are possible. Micromagnetic modeling shows that the twisted state is stabilised in small diameter, narrow rings. Additionally, more complex configurations...

  8. Local cloning of CAT states

    International Nuclear Information System (INIS)

    Rahaman, Ramij

    2011-01-01

    In this Letter we analyze the (im)possibility of the exact cloning of orthogonal three-qubit CAT states under local operation and classical communication (LOCC) with the help of a restricted entangled state. We also classify the three-qubit CAT states that can (not) be cloned under LOCC restrictions and extend the results to the n-qubit case. -- Highlights: → We analyze the (im)possibility of exact cloning of orthogonal CAT states under LOCC. → We also classify the set of CAT states that can(not) be cloned by LOCC. → No set of orthogonal CAT states can be cloned by LOCC with help of similar CAT state. → Any two orthogonal n-qubit GHZ-states can be cloned by LOCC with help of a GHZ state.

  9. State of the States: Fuel Cells in America 2015

    Energy Technology Data Exchange (ETDEWEB)

    Sandra Curtin and Jennifer Gangi

    2015-12-17

    This December 2015 report, the sixth in a series, provides a comprehensive analysis of state activities supporting fuel cell and hydrogen technology, profiles of leading states, and a catalog of recent installations, policies, funding, and deployments around the country.

  10. Set discrimination of quantum states

    International Nuclear Information System (INIS)

    Zhang Shengyu; Ying Mingsheng

    2002-01-01

    We introduce a notion of set discrimination, which is an interesting extension of quantum state discrimination. A state is secretly chosen from a number of quantum states, which are partitioned into some disjoint sets. A set discrimination is required to identify which set the given state belongs to. Several essential problems are addressed in this paper, including the condition of perfect set discrimination, unambiguous set discrimination, and in the latter case, the efficiency of the discrimination. This generalizes some important results on quantum state discrimination in the literature. A combination of state and set discrimination and the efficiency are also studied

  11. Parent di-nuclear quasimolecular states as exotic resonant states

    International Nuclear Information System (INIS)

    Grama, N.

    2002-01-01

    It in shown that the parent di-nuclear quasimolecular state is an exotic resonant state that corresponds to a S-matrix pole in the neighbourhood of an attractor in the k-plane. The properties of the parent quasimolecular states i.e. energy, widths, deviation from the linear dependence of the energy on l(l + 1) doorway character and criteria for observability, result naturally from the general properties of the exotic resonant states. (author)

  12. SwingStates: adding state machines to the swing toolkit

    OpenAIRE

    Appert , Caroline; Beaudouin-Lafon , Michel

    2006-01-01

    International audience; This article describes SwingStates, a library that adds state machines to the Java Swing user interface toolkit. Unlike traditional approaches, which use callbacks or listeners to define interaction, state machines provide a powerful control structure and localize all of the interaction code in one place. SwingStates takes advantage of Java's inner classes, providing programmers with a natural syntax and making it easier to follow and debug the resulting code. SwingSta...

  13. Teleportation of Two-Particle Entangled State via Cluster State

    Institute of Scientific and Technical Information of China (English)

    LI Da-Chuang; CAO Zhuo-Liang

    2007-01-01

    In this paper,two schemes for teleporting an unknown two-particle entangled state from the sender (Alice)to the receiver (Bob) via a four-particle entangled cluster state are proposed.In these two schemes,the unknown twoparticle entangled state can be teleported perfectly.The successful probabilities and fidelities of the schemes can reach unity.

  14. steady – state performance of induction and transfer state

    African Journals Online (AJOL)

    eobe

    This paper presents paper presents paper presents the steady the steady the steady–state performance state performance state performance comparison comparison comparison between polyphase induction motor and polyphase between polyphase induction motor and polyphase. TF motor operating in. TF motor ...

  15. State distribution and reliability of some multi- state systems with ...

    African Journals Online (AJOL)

    mn : G series systems and second, the multi-state consecutive kn-out-of-mn : G parallel systems (see denitions 1 and 2).We begin by giving a non recursive formula which calculates the state distribution and the reliability of multi-state ...

  16. FIPRED state of art

    International Nuclear Information System (INIS)

    Ohai, D.; Meleg, T.; Dumitrescu, I.; Benga, D.

    2009-01-01

    Full text: The paper presents the FIPRED (Fission Product Release from Debris Bed) Project state of art (UO 2 sintered pellets oxidation). The FIPRED Project is dedicated to the study of the fission products released from irradiated pellets present in debris bed. The fission product release is produced by oxidative self disintegration of sintered pellets at air ingress and it depends on temperature. The experimental program covered experiments of 300-1400 deg. C in air diluted with nitrogen at different concentrations of oxygen and different steam-air mixture. The experiments were performed using the SETARAM thermo-gravimetric equipment and the FIPRED EQ equipment designed and manufactured especially for this type of experiment. The powders (fragments), resulted from UO 2 pellets self disintegration, were characterized by sieving and SEM. The self disintegration mechanism was demonstrated using the experimental result obtained and thermodynamically data of uranium oxides. (authors)

  17. State, religion and toleration

    DEFF Research Database (Denmark)

    Huggler, Jørgen

    2009-01-01

    Contribution to Religion and State - From separation to cooperation? Legal-philosophical reflections for a de-secularized world. (IVR Cracow Special Workshop). Eds. Bart. C. Labuschagne & Ari M. Solon. Abstract: Toleration is indeed a complex phenomenon. A discussion of the concept will have...... to underline not only the broadmindedness and liberty of individuals or of groups, but also the relevant distinctions and arguments in political philosophy, epistemology, philosophy of religion and philosophical anthropology and their connection with educational issues. Through a discussion of these relations......, the essay argues three theses: (1) Toleration is not reducible to an ethics of spiritual freedom. (2) Toleration is not neutral to fanatism. (3) Toleration involves esteem for the person....

  18. Geometry of Quantum States

    International Nuclear Information System (INIS)

    Hook, D W

    2008-01-01

    A geometric framework for quantum mechanics arose during the mid 1970s when authors such as Cantoni explored the notion of generalized transition probabilities, and Kibble promoted the idea that the space of pure quantum states provides a natural quantum mechanical analogue for classical phase space. This central idea can be seen easily since the projection of Schroedinger's equation from a Hilbert space into the space of pure spaces is a set of Hamilton's equations. Over the intervening years considerable work has been carried out by a variety of authors and a mature description of quantum mechanics in geometric terms has emerged with many applications. This current offering would seem ideally placed to review the last thirty years of progress and relate this to the most recent work in quantum entanglement. Bengtsson and Zyczkowski's beautifully illustrated volume, Geometry of Quantum States (referred to as GQS from now on) attempts to cover considerable ground in its 466 pages. Its topics range from colour theory in Chapter 1 to quantum entanglement in Chapter 15-to say that this is a whirlwind tour is, perhaps, no understatement. The use of the work 'introduction' in the subtitle of GQS, might suggest to the reader that this work be viewed as a textbook and I think that this interpretation would be incorrect. The authors have chosen to present a survey of different topics with the specific aim to introduce entanglement in geometric terms-the book is not intended as a pedagogical introduction to the geometric approach to quantum mechanics. Each of the fifteen chapters is a short, and mostly self-contained, essay on a particular aspect or application of geometry in the context of quantum mechanics with entanglement being addressed specifically in the final chapter. The chapters fall into three classifications: those concerned with the mathematical background, those which discuss quantum theory and the foundational aspects of the geometric framework, and

  19. Perfect and imperfect states

    Directory of Open Access Journals (Sweden)

    Nikitović Aleksandar

    2013-01-01

    Full Text Available Early Greek ethics embodied in Cretan and Spartan mores, served as a model for Plato`s political theory. Plato theorized the contents of early Greek ethics, aspiring to justify and revitalize the fundamental principles of a traditional view of the world. However, according to Plato`s new insight, deed is further from the truth than a thought i.e. theory. The dorian model had to renounce its position to the perfect prototype of a righteous state, which is a result of the inner logic of philosophical theorizing in early Greek ethics. Prototype and model of philosophical reflection, in comparison to philosophical theory, becomes minor and deficient. Philosophical theorizing of early Greek ethics philosophically formatted Greek heritage, initiating substantial changes to the content of traditional ethics. Replacement of the myth with ontology, as a new foundation of politics, transformed early Greek ethics in various relevant ways. [Projekat Ministarstva nauke Republike Srbije, br. 179049

  20. Activating Welfare States

    DEFF Research Database (Denmark)

    Kvist, Jon

    for children and the elderly, which in turn allows in particular women to (re-)enter the labour market, de-commodification of labour through easy accessible and relative generous cash benefits providing a more flexible labour market, and re-commodification of labour through conditioning of benefits and active......This paper investigates how welfare states may actively contribute to promote employment opportunities, i.e. participation in the labour market through various operations and policies. The principal operations concern in particular the de-familiarisation of caring tasks through social services...... labour market policies giving long-term unemployed and people with low skills better opportunities to participate in the labour market, whether the ordinary or in special activities....

  1. Solid state detector module

    International Nuclear Information System (INIS)

    Hoffman, D. M.

    1985-01-01

    A solid state detector in which each scintillator is optimally configured and coupled with its associated sensing diode in a way which exploits light piping effects to enhance efficiency, and at the same time provide a detector which is modular in nature. To achieve light piping, the scintillator crystal is oriented such that its sides conform with the crystal cleavage plane, and the sides are highly polished. An array of tungsten collimator plates define the individual channels. Multi-channel scintillator/diode modules are mounted behind and in registry with the plurality of collimator plates. A plurality of scintillators are bonded together after coating the surfaces thereof to minimize optical crosstalk. After lapping the face of the scintillator module, it is then bonded to a diode module with individual scintillators in registration with individual diodes. The module is then positioned in the detector array with collimator plates at the junctions between the scintillators

  2. Steady-state spheromak

    International Nuclear Information System (INIS)

    Jarboe, T.R.

    1982-01-01

    A major effort is being made in the national program to make the operation of axisymmetric, toroidal confinement systems steady state by the application of expensive rf current drive. Described here is a method by which such a confinement system, the spheromak, can be refluxed indefinitely through the application of dc power. As a step towards dc sustainment we have operated the present CTX source in the slow source mode with a longer power application time (approx. 0.1 ms) and successfully generated long-lived spheromaks. If the erosion of the electrodes can be controlled as well as it is with MPD arcs then dc operation should be very clean. If only a small fraction (approx. 10% for an experiment) of the poloidal flux of the spheromak connects to the source then the dc sustainment can be very efficient. The amount of connecting flux that is necessary for sustainment needs to be determined experimentally

  3. Surface states and spectra

    International Nuclear Information System (INIS)

    Jaksic, V.; Last, Y.; California Inst. of Tech., Pasadena, CA

    2001-01-01

    Let Z + d+1 =Z d x Z + , let H 0 be the discrete Laplacian on the Hilbert space l 2 (Z + d+1 ) with a Dirichlet boundary condition, and let V be a potential supported on the boundary ∂Z + d+1 . We introduce the notions of surface states and surface spectrum of the operator H=H 0 +V and explore their properties. Our main result is that if the potential V is random and if the disorder is either large or small enough, then in dimension two H has no surface spectrum on σ(H 0 ) with probability one. To prove this result we combine Aizenman-Molchanov theory with techniques of scattering theory. (orig.)

  4. Holographic Quantum States

    International Nuclear Information System (INIS)

    Osborne, Tobias J.; Eisert, Jens; Verstraete, Frank

    2010-01-01

    We show how continuous matrix product states of quantum fields can be described in terms of the dissipative nonequilibrium dynamics of a lower-dimensional auxiliary boundary field by demonstrating that the spatial correlation functions of the bulk field correspond to the temporal statistics of the boundary field. This equivalence (1) illustrates an intimate connection between the theory of continuous quantum measurement and quantum field theory, (2) gives an explicit construction of the boundary field allowing the extension of real-space renormalization group methods to arbitrary dimensional quantum field theories without the introduction of a lattice parameter, and (3) yields a novel interpretation of recent cavity QED experiments in terms of quantum field theory, and hence paves the way toward observing genuine quantum phase transitions in such zero-dimensional driven quantum systems.

  5. Relativistic bound states

    International Nuclear Information System (INIS)

    Ritchie, Burke

    2006-01-01

    The Hamiltonian for Dirac's second-order equation depends nonlinearly on the potential V and the energy E. For this reason the magnetic contribution to the Hamiltonian for s-waves, which has a short range, is attractive for a repulsive Coulomb potential (V>0) and repulsive for an attractive Coulomb potential (V 2 . Usually solutions are found in the regime E=mc 2 +ε , where except for high Z, ε 2 . Here it is shown that for V>0 the attractive magnetic term and the linear repulsive term combine to support a bound state near E=0.5mc 2 corresponding to a binding energy E b =-ε =0.5mc 2

  6. Multimuon final states

    International Nuclear Information System (INIS)

    Crespo, J.-M.

    1980-04-01

    Multimuon final states have been detected by 3 experiments in the interactions of the muon beams of CERN (280 GeV) and FNAL (210 GeV) with heavy targets. For the first time production of J/PSI (3100) by space-like photons has been observed and its dependence on ν, Q 2 and t compared to Vector Dominance and photon-gluon fusion models. Also a clear signal has been seen for 3μ above QED tridents (outside J/PSI mass range) and 2μ events which are well described by charm production. An upper limit for the production of the T by high energy muons has been set

  7. State Housing Revival

    DEFF Research Database (Denmark)

    Donovan, Elizabeth

    2015-01-01

    Government funded housing for people in need is a challenge many countries face around the world. This research investigates how to sustainably regenerate post-war suburban state housing in New Zealand, in particular, the suburb of Glen Innes in Auckland. Reviving the community and regenerating...... the buildings is essential for improving the overall quality of the neighbourhoods both socially and physically. Achieving this in a holistic sustainable manner illustrates that there are alternatives to demolition and new builds, as the answer to the current housing shortage problems. New Zealand is confronted...... with the dilemma of what to do with existing government-funded housing which are no longer socially or physically suitable for the current demographic. New Zealand has a large cultural diversity with many new immigrants from the Pacific Islands and Asia. There is a need for culturally flexible and inclusive...

  8. The police state myth

    International Nuclear Information System (INIS)

    Spinrad, B.I.

    1985-01-01

    This chapter attempts to refute the assertion made by antinuclear groups that the use of nuclear energy will lead to a suppression of civil liberties in the US. The ''police state'' argument is based on the belief that the management of nuclear materials would necessitate the investigation of the stability and loyalties of their managers, and that in an instance of the theft of nuclear weapons material, police countermeasures might have to include violations of due process with regard to entry and search. It is pointed out that the screening of a person for a responsible position does not violate due process, and the fact that nuclear materials are radioactive and can be easility detected at some distance indicates that close police searches would not be necessary in the case of theft

  9. Beyond States and Markets

    DEFF Research Database (Denmark)

    Stahl, Rune Møller

    The paper will analyse the ideological assumptions at the core of the form of neoclassical macroeconomic theory that emerged to eclipse Keynesianism the 1970s. By revisiting some of the central papers and model such as Kydland & Prescott’s 1977 “Time Inconsistency Model”, Sargent & Wallace’s 1976...... ”Policy - ineffectiveness proposition” and the microfoundations of the Lucas - critique from 1976, the paper offers a reinterpretation of the main tenets of the tradition of New Classical Macroeconomics (NCM). In policy and scholarly debates NCM has primarily been seen as a critique of government...... in economic governance. This r ereading offers new aspects to the understanding of the general relationship between neoclassical economics and neoliberal policy, and cast new light on the understanding of why neoliberal governance have generally not resulted in any substantial rollback of the state...

  10. Weather and emotional state

    Science.gov (United States)

    Spasova, Z.

    2010-09-01

    Introduction Given the proven effects of weather on the human organism, an attempt to examine its effects on a psychic and emotional level has been made. Emotions affect the bio-tonus, working ability and concentration, hence their significance in various domains of economic life, such as health care, education, transportation, tourism, etc. Data and methods The research has been made in Sofia City within a period of 8 months, using 5 psychological methods (Eysenck Personality Questionnaire (EPQ), State-Trait Anxiety Inventory (STAI), Test for Self-assessment of the emotional state (developed by Wessman and Ricks), Test for evaluation of moods and Test "Self-confidence - Activity - Mood" (developed by the specialists from the Military Academy in Saint Petersburg). The Fiodorov-Chubukov's complex-climatic method was used to characterize meteorological conditions because of the purpose to include in the analysis a maximal number of meteorological elements. 16 weather types are defined in dependence of the meteorological elements values according to this method. Abrupt weather changes from one day to another, defined by the same method, were considered as well. Results and discussions The results obtained by t-test show that the different categories of weather lead to changes in the emotional status, which indicates a character either positive or negative for the organism. The abrupt weather changes, according to expectations, have negative effect on human emotions but only when a transition to the cloudy weather or weather type, classified as "unfavourable" has been realized. The relationship between weather and human emotions is rather complicated since it depends on individual characteristics of people. One of these individual psychological characteristics, marked by the dimension "neuroticism", has a strong effect on emotional reactions in different weather conditions. Emotionally stable individuals are more "protected" to the weather influence on their emotions

  11. Realizing Controllable Quantum States

    Science.gov (United States)

    Takayanagi, Hideaki; Nitta, Junsaku

    1. Entanglement in solid states. Orbital entanglement and violation of bell inequalities in mesoscopic conductors / M. Büttiker, P. Samuelsson and E. V. Sukhoruk. Teleportation of electron spins with normal and superconducting dots / O. Sauret, D. Feinberg and T. Martin. Entangled state analysis for one-dimensional quantum spin system: singularity at critical point / A. Kawaguchi and K. Shimizu. Detecting crossed Andreev reflection by cross-current correlations / G. Bignon et al. Current correlations and transmission probabilities for a Y-shaped diffusive conductor / S. K. Yip -- 2. Mesoscopic electronics. Quantum bistability, structural transformation, and spontaneous persistent currents in mesoscopic Aharonov-Bohm loops / I. O. Kulik. Many-body effects on tunneling of electrons in magnetic-field-induced quasi one-dimensional systems in quantum wells / T. Kubo and Y. Tokura. Electron transport in 2DEG narrow channel under gradient magnetic field / M. Hara et al. Transport properties of a quantum wire with a side-coupled quantum dot / M. Yamaguchi et al. Photoconductivity- and magneto-transport studies of single InAs quantum wires / A. Wirthmann et al. Thermoelectric transports in charge-density-wave systems / H. Yoshimoto and S. Kurihara -- 3. Mesoscopic superconductivity. Parity-restricted persistent currents in SNS nanorings / A. D. Zaikin and S. V. Sharov. Large energy dependence of current noise in superconductingh/normal metal junctions / F. Pistolesi and M. Houzet. Generation of photon number states and their superpositions using a superconducting qubit in a microcavity / Yu-Xi Liu, L. F. Wei and F. Nori. Andreev interferometry for pumped currents / F. Taddei, M. Governale and R. Fazio. Suppression of Cooper-pair breaking against high magnetic fields in carbon nanotubes / J. Haruyama et al. Impact of the transport supercurrent on the Josephson effect / S. N. Shevchenko. Josephson current through spin-polarized Luttinger liquid / N. Yokoshi and S. Kurihara

  12. Neural-Network Quantum States, String-Bond States, and Chiral Topological States

    Science.gov (United States)

    Glasser, Ivan; Pancotti, Nicola; August, Moritz; Rodriguez, Ivan D.; Cirac, J. Ignacio

    2018-01-01

    Neural-network quantum states have recently been introduced as an Ansatz for describing the wave function of quantum many-body systems. We show that there are strong connections between neural-network quantum states in the form of restricted Boltzmann machines and some classes of tensor-network states in arbitrary dimensions. In particular, we demonstrate that short-range restricted Boltzmann machines are entangled plaquette states, while fully connected restricted Boltzmann machines are string-bond states with a nonlocal geometry and low bond dimension. These results shed light on the underlying architecture of restricted Boltzmann machines and their efficiency at representing many-body quantum states. String-bond states also provide a generic way of enhancing the power of neural-network quantum states and a natural generalization to systems with larger local Hilbert space. We compare the advantages and drawbacks of these different classes of states and present a method to combine them together. This allows us to benefit from both the entanglement structure of tensor networks and the efficiency of neural-network quantum states into a single Ansatz capable of targeting the wave function of strongly correlated systems. While it remains a challenge to describe states with chiral topological order using traditional tensor networks, we show that, because of their nonlocal geometry, neural-network quantum states and their string-bond-state extension can describe a lattice fractional quantum Hall state exactly. In addition, we provide numerical evidence that neural-network quantum states can approximate a chiral spin liquid with better accuracy than entangled plaquette states and local string-bond states. Our results demonstrate the efficiency of neural networks to describe complex quantum wave functions and pave the way towards the use of string-bond states as a tool in more traditional machine-learning applications.

  13. Korean War Veterans by State

    Data.gov (United States)

    Department of Veterans Affairs — The spreadsheet of Korean War Veterans by State includes the total Korean War Veteran population for each state and broken out by age and gender. It also includes...

  14. The intermediate state in Patd

    African Journals Online (AJOL)

    ) Jesus had assumed. (concerning the 'intermediate state') as existing, anything which does not exist. Three basic things about the intermediate state emerge from the parable: (a) Jesus recognizes that at the moment of death, in ipso articulo.

  15. Probabilistic broadcasting of mixed states

    International Nuclear Information System (INIS)

    Li Lvjun; Li Lvzhou; Wu Lihua; Zou Xiangfu; Qiu Daowen

    2009-01-01

    It is well known that the non-broadcasting theorem proved by Barnum et al is a fundamental principle of quantum communication. As we are aware, optimal broadcasting (OB) is the only method to broadcast noncommuting mixed states approximately. In this paper, motivated by the probabilistic cloning of quantum states proposed by Duan and Guo, we propose a new way for broadcasting noncommuting mixed states-probabilistic broadcasting (PB), and we present a sufficient condition for PB of mixed states. To a certain extent, we generalize the probabilistic cloning theorem from pure states to mixed states, and in particular, we generalize the non-broadcasting theorem, since the case that commuting mixed states can be exactly broadcast can be thought of as a special instance of PB where the success ratio is 1. Moreover, we discuss probabilistic local broadcasting (PLB) of separable bipartite states

  16. State Drug Utilization Data 2003

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  17. State Drug Utilization Data 2011

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  18. State Program Integrity Assessment (SPIA)

    Data.gov (United States)

    U.S. Department of Health & Human Services — The State Program Integrity Assessment (SPIA) is the Centers for Medicare and Medicaid Services (CMS) first national data collection on state Medicaid program...

  19. Veteran Religious Affiliation by State

    Data.gov (United States)

    Department of Veterans Affairs — This dataset provide a count of Veteran by their religious affiliation and state of residence. The dataset set covers all 50 states, District of Columbia and other...

  20. Breast Cancer Rates by State

    Science.gov (United States)

    ... Associated Lung Ovarian Prostate Skin Uterine Cancer Home Breast Cancer Rates by State Language: English (US) Español (Spanish) ... from breast cancer each year. Rates of Getting Breast Cancer by State The number of people who get ...

  1. State Drug Utilization Data 2009

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  2. State Drug Utilization Data 2016

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  3. State Online Query System (SOLQ)

    Data.gov (United States)

    Social Security Administration — Designed specifically for State Human Service agencies, SOLQ allows States real-time online access to SSA's SSN verification service and, if permitted, retrieval of...

  4. Timely and Effective Care - State

    Data.gov (United States)

    U.S. Department of Health & Human Services — Timely and Effective Care measures - state data. This data set includes state-level data for measures of heart attack care, heart failure care, pneumonia care,...

  5. State Drug Utilization Data 2017

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  6. State Drug Utilization Data 1996

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  7. State Drug Utilization Data 2008

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  8. State Drug Utilization Data 1992

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  9. State Drug Utilization Data 1995

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  10. State Drug Utilization Data 1998

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  11. State Drug Utilization Data 2014

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  12. State Drug Utilization Data 2005

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  13. State Drug Utilization Data 2002

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  14. State Drug Utilization Data 2004

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  15. State Drug Utilization Data 1993

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  16. State Drug Utilization Data 2006

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  17. State Drug Utilization Data 2012

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  18. State Drug Utilization Data 1999

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  19. State Drug Utilization Data 2015

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  20. State Drug Utilization Data 1997

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  1. State Drug Utilization Data 1991

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  2. State Drug Utilization Data 2001

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  3. State Drug Utilization Data 2007

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  4. State Drug Utilization Data 2013

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  5. State Cancer Profiles Web site

    Data.gov (United States)

    U.S. Department of Health & Human Services — The State Cancer Profiles (SCP) web site provides statistics to help guide and prioritize cancer control activities at the state and local levels. SCP is a...

  6. State Drug Utilization Data 1994

    Data.gov (United States)

    U.S. Department of Health & Human Services — Drug utilization data are reported by states for covered outpatient drugs that are paid for by state Medicaid agencies since the start of the Medicaid Drug Rebate...

  7. State of the States. Fuel Cells in America 2012

    Energy Technology Data Exchange (ETDEWEB)

    Curtin, Sandra [Fuel Cells 2000, Washington, DC (United States); Gangi, Jennifer [Fuel Cells 2000, Washington, DC (United States); Skukowski, Ryan [Fuel Cells 2000, Washington, DC (United States)

    2012-09-01

    This report, written by Fuel Cells 2000 and partially funded by the U.S. Department of Energy's Fuel Cell Technologies Program, continues to build on the April 2010 State of the States report that provided a snapshot of fuel cell and hydrogen activity in the 50 states and District of Columbia. This update report provides more details on the progress and activities that happened since the second report, issued in June 2011. Details reported for each state include new policies and funding, recent and planned fuel cell and hydrogen installations, and recent activity by state industry and universities.

  8. Supercoherent states and physical systems

    International Nuclear Information System (INIS)

    Fatyga, B.W.; Kostelecky, V.A.; Truax, D.R.

    1991-01-01

    A method is developed for obtaining coherent states of a system admitting a supersymmetry. These states are called supercoherent states. The approach presented in this talk is based on an extension to supergroups of the usual group-theoretic approach. The example of the supersymmetric harmonic oscillator is discussed, thereby illustrating some of the attractive features of the method. Supercoherent states of an electron moving in a constant magnetic field are also described. 35 refs

  9. Unbound states in quantum heterostructures

    Directory of Open Access Journals (Sweden)

    Ferreira R

    2006-01-01

    Full Text Available AbstractWe report in this review on the electronic continuum states of semiconductor Quantum Wells and Quantum Dots and highlight the decisive part played by the virtual bound states in the optical properties of these structures. The two particles continuum states of Quantum Dots control the decoherence of the excited electron – hole states. The part played by Auger scattering in Quantum Dots is also discussed.

  10. Influence of Noises on Remote State Preparation Using GHZ State

    International Nuclear Information System (INIS)

    Liang Huaqiu; Liu Jinming

    2008-01-01

    Using a quantum channel consisting of a GHZ state exposed to noisy environment, we investigate how to remotely prepare an entangled state and a qubit state, respectively. By solving the master equation in the Lindblad form, the influence of the various types of noises on the GHZ state is first discussed. Then we use the fidelity to describe how close the remotely prepared state and the initial state are. Our results show that the fidelity is a function of the decoherence rates and the angles of the initial state. It is found that for each of the two RSP schemes, the influence of the noise acting simultaneously in x, y, and z directions on the average fidelity is the strongest while the influence of the noise acting in x or z direction on the average fidelity is relatively weaker

  11. Configurational entropy of glueball states

    Energy Technology Data Exchange (ETDEWEB)

    Bernardini, Alex E., E-mail: alexeb@ufscar.br [Departamento de Física, Universidade Federal de São Carlos, PO Box 676, 13565-905, São Carlos, SP (Brazil); Braga, Nelson R.F., E-mail: braga@if.ufrj.br [Instituto de Física, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, RJ 21941-972 (Brazil); Rocha, Roldão da, E-mail: roldao.rocha@ufabc.edu.br [CMCC, Universidade Federal do ABC, UFABC, 09210-580, Santo André (Brazil)

    2017-02-10

    The configurational entropy of glueball states is calculated using a holographic description. Glueball states are represented by a supergravity dual picture, consisting of a 5-dimensional graviton–dilaton action of a dynamical holographic AdS/QCD model. The configurational entropy is studied as a function of the glueball spin and of the mass, providing information about the stability of the glueball states.

  12. Deceptive Business Practices: State Regulations.

    Science.gov (United States)

    Rohrer, Daniel Morgan

    Although much has been done at the federal level to control deceptive advertising practices, many states have no criminal laws designed to regulate advertising, and several states recently repealed such laws. This paper examines states' efforts to balance the advertiser's freedom of speech with the consumer's need for information about products by…

  13. Bell inequalities for graph states

    International Nuclear Information System (INIS)

    Toth, G.; Hyllus, P.; Briegel, H.J.; Guehne, O.

    2005-01-01

    Full text: In the last years graph states have attracted an increasing interest in the field of quantum information theory. Graph states form a family of multi-qubit states which comprises many popular states such as the GHZ states and the cluster states. They also play an important role in applications. For instance, measurement based quantum computation uses graph states as resources. From a theoretical point of view, it is remarkable that graph states allow for a simple description in terms of stabilizing operators. In this contribution, we investigate the non-local properties of graph states. We derive a family of Bell inequalities which require three measurement settings for each party and are maximally violated by graph states. In turn, any graph state violates at least one of the inequalities. We show that for certain types of graph states the violation of these inequalities increases exponentially with the number of qubits. We also discuss connections to other entanglement properties such as the positively of the partial transpose or the geometric measure of entanglement. (author)

  14. State Energy Program Fact Sheet

    Energy Technology Data Exchange (ETDEWEB)

    None

    2018-02-01

    The U.S. Department of Energy’s State Energy Program (SEP) provides funding and technical assistance to states, territories, and the District of Columbia to enhance energy security, advance state-led energy initiatives, and maximize the benefits of decreasing energy waste.

  15. Penn State DOE GATE Program

    Energy Technology Data Exchange (ETDEWEB)

    Anstrom, Joel

    2012-08-31

    The Graduate Automotive Technology Education (GATE) Program at The Pennsylvania State University (Penn State) was established in October 1998 pursuant to an award from the U.S. Department of Energy (U.S. DOE). The focus area of the Penn State GATE Program is advanced energy storage systems for electric and hybrid vehicles.

  16. Competing States in the t-J Model: Uniform d-Wave State versus Stripe State versus Stripe State

    NARCIS (Netherlands)

    Corboz, P.R.; Rice, T.M.; Troyer, M.

    2014-01-01

    Variational studies of the t-J model on the square lattice based on infinite projected-entangled pair states confirm an extremely close competition between a uniform d-wave superconducting state and different stripe states. The site-centered stripe with an in-phase d-wave order has an equal or only

  17. Multipartite fully nonlocal quantum states

    International Nuclear Information System (INIS)

    Almeida, Mafalda L.; Cavalcanti, Daniel; Scarani, Valerio; Acin, Antonio

    2010-01-01

    We present a general method for characterizing the quantum correlations obtained after local measurements on multipartite systems. Sufficient conditions for a quantum system to be fully nonlocal according to a given partition, as well as being (genuinely) multipartite fully nonlocal, are derived. These conditions allow us to identify all completely connected graph states as multipartite fully nonlocal quantum states. Moreover, we show that this feature can also be observed in mixed states: the tensor product of five copies of the Smolin state, a biseparable and bound entangled state, is multipartite fully nonlocal.

  18. Luminescence and the solid state

    CERN Document Server

    Ropp, Richard C

    2013-01-01

    Since the discovery of the transistor in 1948, the study of the solid state has been burgeoning. Recently, cold fusion and the ceramic superconductor have given cause for excitement. There are two approaches possible to this area of science, namely, that of solid state physics and solid state chemistry, although both overlap extensively. The former is more concerned with electronic states in solids (including electromagnetics) whereas the latter is more concerned with interactions of atoms in solids. The area of solid state physics is well documented, however, there are very few texts which de

  19. Circular states of atomic hydrogen

    International Nuclear Information System (INIS)

    Lutwak, R.; Holley, J.; Chang, P.P.; Paine, S.; Kleppner, D.; Ducas, T.

    1997-01-01

    We describe the creation of circular states of hydrogen by adiabatic transfer of a Rydberg state in crossed electric and magnetic fields, and also by adiabatic passage in a rotating microwave field. The latter method permits rapid switching between the two circular states of a given n manifold. The two methods are demonstrated experimentally, and results are presented of an analysis of the field ionization properties of the circular states. An application for the circular states is illustrated by millimeter-wave resonance in hydrogen of the n=29→n=30 transition. copyright 1997 The American Physical Society

  20. Entanglement entropy of excited states

    International Nuclear Information System (INIS)

    Alba, Vincenzo; Fagotti, Maurizio; Calabrese, Pasquale

    2009-01-01

    We study the entanglement entropy of a block of contiguous spins in excited states of spin chains. We consider the XY model in a transverse field and the XXZ Heisenberg spin chain. For the latter, we developed a numerical application of the algebraic Bethe ansatz. We find two main classes of states with logarithmic and extensive behavior in the dimension of the block, characterized by the properties of excitations of the state. This behavior can be related to the locality properties of the Hamiltonian having a given state as the ground state. We also provide several details of the finite size scaling

  1. Vehicle electrical system state controller

    Science.gov (United States)

    Bissontz, Jay E.

    2017-10-17

    A motor vehicle electrical power distribution system includes a plurality of distribution sub-systems, an electrical power storage sub-system and a plurality of switching devices for selective connection of elements of and loads on the power distribution system to the electrical power storage sub-system. A state transition initiator provides inputs to control system operation of switching devices to change the states of the power distribution system. The state transition initiator has a plurality of positions selection of which can initiate a state transition. The state transition initiator can emulate a four position rotary ignition switch. Fail safe power cutoff switches provide high voltage switching device protection.

  2. Fiscal Liability of State Contractors

    Directory of Open Access Journals (Sweden)

    Santiago Fajardo-Peña

    2017-06-01

    Full Text Available The State contract is one of the most important tools for public management. The formation, execution and liquidation of State contracts are also a potential cause of State patrimonial damages. Perhaps for this reason, many State contractors are prosecuted as if they were public spending managers. The question, however, is not as simple. The fiscal liability process has a qualified recipient: the fiscal manager. In this article, through a conceptual exposition and a case study, we identify the criterion for determining in which cases a State contractor acquires the function of controlling public funds and when he/she can be subjected to a fiscal liability.

  3. 4- states of 16O

    International Nuclear Information System (INIS)

    Barker, F.C.; Smith, R.; Morrison, I.; Amos, K.A.

    1981-01-01

    A three-state isospin-mixing model is fitted to available data on pion scattering and nucleon pickup relevant to the 4 - states of 16 O at 17.79, 18.98 and 19.80 MeV. An excellent fit to all data is obtained, and the state descriptions are shown to be consistent with inelastic proton scattering measurements. The 18.98 MeV state is predominantly 1p-1h T = 1, while the other two states have significant isospin mixing and 3p-3h admixtures

  4. Southern states' routing agency report

    International Nuclear Information System (INIS)

    1989-02-01

    The Southern states' routing agency report is a compendium of 16-southern states' routing programs relative to the transportation of high-level radioactive materials. The report identifies the state-designated routing agencies as defined under 49 Code of Federal Regulations (CFR) Part 171 and provides a reference to the source ad scope of the agencies' rulemaking authority. Additionally, the state agency and contact designated by the state's governor to receive advance notification and shipment routing information under 10 CFR Parts 71 and 73 are also listed

  5. Southern States' Routing Agency Report

    International Nuclear Information System (INIS)

    1990-03-01

    The Southern States' Routing Agency Report is a compendium of 16-southern states' routing program for the transportation of high-level radioactive materials. The report identifies the state-designated routing agencies as defined under 49 Code of Federal Regulations (CFR) Part 171 and provides a reference to the source and scope of the agencies' rulemaking authority. Additionally, the state agency and contact designated by the state's governor to receive advance notification and shipment routing information under 10 CFR Parts 71 and 73 are also listed

  6. Tavria state agrotechnological university

    Directory of Open Access Journals (Sweden)

    N. V. Shcherbakova

    2015-04-01

    Full Text Available It can be argued that life priorities of young people, including student ones, are not yet well established, therefore, have a certain ability to transformation. In turn, the family has a huge influence on the processes of changes in the value system of young people, in addition, the institution of the family has an impact on shaping the personality of almost every representative of the younger generation. It is necessary to consider the role of the state in the preparation of the family Institution to perform educational functions. The essence of this role is to prepare parents for the process of education, in other words, to increase the level of their pedagogical culture. This is because most parents do not have pedagogical education. Therefore there is a contradiction: the older generation is actively engaged in education without having any methods or tools for this process. In fact, some ways to resolve the conflict are the basic content of this article. In the future, the resolution of this contradiction, will transform social relations so that they were based on spiritual norms, which, in turn, will lead to the preservation and further development of Ukrainian culture, and society in general.

  7. A Solid State Pyranometer

    Directory of Open Access Journals (Sweden)

    Dumitrescu Anca Laura

    2015-12-01

    Full Text Available The construction of a solid state device-based pyranometer designated to broadband irradiance measurements is presented in this paper. The device is built on the physical basis that the temperature difference between two bodies of identical shape and external surface area, identically exposed to the incident radiation, but having different absorption and heat transfer coefficients (e.g. one body is painted white and the other is painted black, is proportional to the incident irradiance. This proportionality may be put in evidence if the two bodies consisting of identical arrays of correspondingly painted semiconductor diodes, due to the thermal behaviour of their p-n junction. It is theoretically predicted and experimentally confirmed that the voltage drop across a diode passed through a constant forward current linearly decreases with the temperature of the junction. In other words, a signal proportional to the irradiance of the light source may be obtained via conventional analog electronics. The calibration of the apparatus, as performed by means of a professional device (LP PYRA 03, indicates a good linearity.

  8. A Solid State Pyranometer

    Science.gov (United States)

    Dumitrescu, Anca Laura; Paulescu, Marius; Ercuta, Aurel

    2015-12-01

    The construction of a solid state device-based pyranometer designated to broadband irradiance measurements is presented in this paper. The device is built on the physical basis that the temperature difference between two bodies of identical shape and external surface area, identically exposed to the incident radiation, but having different absorption and heat transfer coefficients (e.g. one body is painted white and the other is painted black), is proportional to the incident irradiance. This proportionality may be put in evidence if the two bodies consisting of identical arrays of correspondingly painted semiconductor diodes, due to the thermal behaviour of their p-n junction. It is theoretically predicted and experimentally confirmed that the voltage drop across a diode passed through a constant forward current linearly decreases with the temperature of the junction. In other words, a signal proportional to the irradiance of the light source may be obtained via conventional analog electronics. The calibration of the apparatus, as performed by means of a professional device (LP PYRA 03), indicates a good linearity.

  9. State of the industry

    International Nuclear Information System (INIS)

    Lilly, P.; Ogden, S.O.; Sell, D.P.; Garges, T.W.

    1991-01-01

    This panel discussion on the state of the US coal industry presented three points of view. The issue is one of perspective, for the coal miner current conditions are not particularly encouraging given the economic climate, environmental issues, and the ambiguity of the proposed National Energy Strategy. To make matters worse, much of the public views the production and utilization of coal as an environmental risk. It is easy to overlook the fact that the US coal industry is poised for tremendous growth and opportunity. Demand for energy and electricity worldwide is projected to increase significantly and coal is expected to play a major role. New technologies such as clean coal combustion and coal gasification will be required to meet growing human and environmental requirements. The coal industry must educate the public on the capabilities of coal, advance new technologies for deployment and commercial development, demonstrate prudent mining and safety records and develop human talent and skills necessary to advance US coal in the 21st century

  10. Topological orders in rigid states

    International Nuclear Information System (INIS)

    Wen, X.G.

    1990-01-01

    The authors study a new kind of ordering topological order in rigid states (the states with no local gapless excitations). This paper concentrates on characterization of the different topological orders. As an example the authors discuss in detail chiral spin states of 2+1 dimensional spin systems. Chiral spin states are described by the topological Chern-Simons theories in the continuum limit. The authors show that the topological orders can be characterized by a non-Abelian gauge structure over the moduli space which parametrizes a family of the model Hamiltonians supporting topologically ordered ground states. In 2 + 1 dimensions, the non-Abelian gauge structure determines possible fractional statistics of the quasi-particle excitations over the topologically ordered ground states. The dynamics of the low lying global excitations is shown to be independent of random spatial dependent perturbations. The ground state degeneracy and the non-Abelian gauge structures discussed in this paper are very robust, even against those perturbations that break translation symmetry. The authors also discuss the symmetry properties of the degenerate ground states of chiral spin states. The authors find that some degenerate ground states of chiral spin states on torus carry non-trivial quantum numbers of the 90 degrees rotation

  11. 7 CFR 1160.104 - United States.

    Science.gov (United States)

    2010-01-01

    ... 7 Agriculture 9 2010-01-01 2009-01-01 true United States. 1160.104 Section 1160.104 Agriculture... Definitions § 1160.104 United States. United States means the 48 contiguous states in the continental United States and the District of Columbia, except that United States means the 50 states of the United States...

  12. 22 CFR 1508.1005 - State.

    Science.gov (United States)

    2010-04-01

    ... 22 Foreign Relations 2 2010-04-01 2010-04-01 true State. 1508.1005 Section 1508.1005 Foreign...) Definitions § 1508.1005 State. (a) State means— (1) Any of the states of the United States; (2) The District... States; or (5) Any agency or instrumentality of a state. (b) For purposes of this part, State does not...

  13. State-to-state and state-to-all-states reactive scattering angular distributions: F+H 2→HF+H

    International Nuclear Information System (INIS)

    Emmons, R.W.; Suck, S.H.

    1983-01-01

    How each state-to-state reactive transition determines nonundulatory ''state-to-all-states'' angular distribution has not yet been investigated. Here we present a complete exposure of state-to-state distorted-wave Born-approximation angular distributions in order to examine how the nonoscillatory and backward-peaked state-to-all-states reactive scattering angular distribution occurs

  14. 31 CFR 19.1005 - State.

    Science.gov (United States)

    2010-07-01

    ... 31 Money and Finance: Treasury 1 2010-07-01 2010-07-01 false State. 19.1005 Section 19.1005 Money... (NONPROCUREMENT) Definitions § 19.1005 State. (a) State means— (1) Any of the states of the United States; (2) The... States; or (5) Any agency or instrumentality of a state. (b) For purposes of this part, State does not...

  15. Molecular Ωb states

    Science.gov (United States)

    Liang, Wei-Hong; Dias, J. M.; Debastiani, V. R.; Oset, E.

    2018-05-01

    Motivated by the recent finding of five Ωc states by the LHCb collaboration, and the successful reproduction of three of them in a recent approach searching for molecular states of meson-baryon with the quantum numbers of Ωc, we extend these ideas and make predictions for the interaction of meson-baryon in the beauty sector, searching for poles in the scattering matrix that correspond to physical states. We find several Ωb states: two states with masses 6405 MeV and 6465 MeV for JP = 1/2-; two more states with masses 6427 MeV and 6665 MeV for 3/2-; and three states between 6500 and 6820 MeV, degenerate with JP = 1/2-, 3/2-, stemming from the interaction of vector-baryon in the beauty sector.

  16. Probabilistic cloning of equidistant states

    International Nuclear Information System (INIS)

    Jimenez, O.; Roa, Luis; Delgado, A.

    2010-01-01

    We study the probabilistic cloning of equidistant states. These states are such that the inner product between them is a complex constant or its conjugate. Thereby, it is possible to study their cloning in a simple way. In particular, we are interested in the behavior of the cloning probability as a function of the phase of the overlap among the involved states. We show that for certain families of equidistant states Duan and Guo's cloning machine leads to cloning probabilities lower than the optimal unambiguous discrimination probability of equidistant states. We propose an alternative cloning machine whose cloning probability is higher than or equal to the optimal unambiguous discrimination probability for any family of equidistant states. Both machines achieve the same probability for equidistant states whose inner product is a positive real number.

  17. Multiparty Quantum Secret Sharing of Quantum States Using Entanglement States

    International Nuclear Information System (INIS)

    Ying, Guo; Da-Zu, Huang; Gui-Hua, Zeng; Ho, Lee Moon

    2008-01-01

    A multi-partite-controlled quantum secret sharing scheme using several non-orthogonal entanglement states is presented with unconditional security. In this scheme, the participants share the secret quantum state by exchanging the secret polarization angles of the disordered travel particles. The security of the secret quantum state is also guaranteed by the non-orthogonal multi-partite-controlled entanglement states, the participants' secret polarizations, and the disorder of the travelling particles. Moreover, the present scheme is secure against the particle-number splitting attack and the intercept-and-resend attack. It may be still secure even if the distributed quantum state is embedded in a not-so-weak coherent-state pulse

  18. States and carbon

    International Nuclear Information System (INIS)

    Criqui, Patrick; Faraco, Benoit; Grandjean, Alain

    2009-01-01

    The climate challenge appeals to an unprecedented mutation of our societies. From north to south, all our life styles will have to be changed from dwelling, to transport and feeding. These changes will have sense only at a worldwide scale and will impact our way of development. How can we reduce our energy consumption and greenhouse impact with answering everyone's essential needs at the same time? How can we invent a carbon-free economy in the North and preserve the big socio-economical equilibria at the same time? How can we get rid of poverty in the South without compromising the well-being of the future generations with an increase of CO 2 emissions? Such difficulties cannot be overcome without innovations in terms of public policies. This book takes stock of the new possible instruments and policies at the global scale and involving fiscality, standards, investments and social justice. Content: 1 - the carbon threat: a changing climate and energies becoming scarce (the climate threat, an increasing energy insecurity); carbon and modern economy (human greenhouse gas emissions, a carbon-free well-being); governments and carbon control (a global challenge requiring an international control, the experiments era from Rio to the present day, the challenge of the state in front of the carbon threat); 2 - the political instruments of environment: standards as first instruments of climate public policies (standards efficiency in some sectors, standards limitations, standards and innovation); emissions quotas and market instruments (Kyoto protocol and CO 2 market, the future of 'cap and trade' and of individual and regional quotas); carbon tax, fiscal instruments and new regulations (carbon tax as an alternative or a complement, other fiscal and para-fiscal instruments, new regulation instruments); investing in climate (managing the transition, governments as transition administrators). (J.S)

  19. United States mineral resources

    Science.gov (United States)

    Brobst, Donald A.; Pratt, Walden P.

    1973-01-01

    The work on this volume began in January 1972, but in a broader sense its production began many years ago. The chapters were written by geologists most of whom have had many years of experience studying the geology of mineral deposits, and more particularly the commodities about which they have written here. A total of nearly 2,300 man-years of professional experience in the geology of mineral resources is represented by the authors of the volume, and about 30 man-years went directly into its preparation. Each chapter contains not only a synthesis of the state of knowledge of the geology of the commodity, but also an appraisal of the known resources, and an examination of the geologic possibilities for finding additional deposits. In January 1972, responsibility for the preparation of the volume was assigned to us as co-editors, and we were given a tentative list of commodities and authors. We provided each author with a suggested outline of general topics to be covered, and some guidelines as to scope and philosophy of approach, but beyond that we avoided any attempt to fit each chapter into a stereotype. Moreover, the types of commodities range from the major metals and industrial minerals such as copper, silver, and fluorspar, which have been the subject of geologic research for years, to other commodities that are of such varied geologic nature (such as pigments or gemstones) or of such minor present importance (such as scandium or thallium) that they cannot be treated from the same viewpoint as the major minerals. The chapters range, therefore, from comprehensive summary reports to general essays that reflect the individuality of the authors as well as the variation among commodities. Throughout the book the emphasis is on geology, but each chapter contains some summary information on uses, technology, and economics. These summaries are not meant to be exhaustive, however, and additional details are in the 1970 edition of "Mineral Facts and Problems" (Bulletin

  20. State of the States: Fuel Cells in America 2013

    Energy Technology Data Exchange (ETDEWEB)

    Curtin, Sandra; Gangi, Jennifer

    2013-10-31

    This October 2013 report, written by Fuel Cells 2000 and partially funded by the U.S. Department of Energy's Fuel Cell Technologies Office, continues to build on the April 2010 State of the States report that provided a snapshot of fuel cell and hydrogen activity in the 50 states and District of Columbia. This update report provides more details on the progress and activities that happened since the third report, issued in August 2012.