57 research outputs found
Simulation studies of PV fed Line Frequency Commutated 5-Level Inverter
Power electronic converters are essential for harnessing the abundantly available solar energy. Power from the photovoltaic array can be fed to the ac load or utility grid through inverter which is capable of producing an ac voltage with less harmonics. A multilevel inverter is generally employed for this purpose at the cost of extra switches and control complexity. In this paper, a system is proposed to obtain a multilevel output by introducing a simple auxiliary circuit between the photovoltaic array and the line frequency commutated inverter. Simulation studies of the proposed system have been carried out using MATLAB/Simulink software and the results are presented in this paper
Methods and participant characteristics in the Cancer Risk in Vegetarians Consortium: a cross-sectional analysis across 11 prospective studies
Background: The associations of vegetarian diets with risks for site-specific cancers have not been estimated reliably due to the low number of vegetarians in previous studies. Therefore, the Cancer Risk in Vegetarians Consortium was established. The aim is to describe and compare the baseline characteristics between non-vegetarian and vegetarian diet groups and between the collaborating studies. Methods: We harmonised individual-level data from 11 prospective cohort studies from Western Europe, North America, South Asia and East Asia. Comparisons of food intakes, sociodemographic and lifestyle factors were made between diet groups and between cohorts using descriptive statistics. Results: 2.3 million participants were included; 66% women and 34% men, with mean ages at recruitment of 57 (SD: 7.8) and 57 (8.6) years, respectively. There were 2.1 million meat eaters, 60,903 poultry eaters, 44,780 pescatarians, 81,165 vegetarians, and 14,167 vegans. Food intake differences between the diet groups varied across the cohorts; for example, fruit and vegetable intakes were generally higher in vegetarians than in meat eaters in all the cohorts except in China. BMI was generally lower in vegetarians, particularly vegans, except for the cohorts in India and China. In general, but with some exceptions, vegetarians were also more likely to be highly educated and physically active and less likely to smoke. In the available resurveys, stability of diet groups was high in all the cohorts except in China. Conclusions: Food intakes and lifestyle factors of both non-vegetarians and vegetarians varied markedly across the individual cohorts, which may be due to differences in both culture and socioeconomic status, as well as differences in questionnaire design. Therefore, care is needed in the interpretation of the impacts of vegetarian diets on cancer risk
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Not AvailableDescribes about the various diagnosis techniques available for brucellosis disease in animalsNot Availabl
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Not AvailableThis training manual on Bovine mastitis theory and practical considerations in management has been prepared on the occasion of the training programme sponsored by Directorate of Extension Ministry of Agriculture New DelhiDirectorate of Extension, Ministry of Agricultur
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Not AvailableDescribes the various procedures for isolation, serological and molecular diagnostics of brucellosisNot Availabl
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Not AvailableBrucellosis caused by Brucella species is readily transmissible to humans, causing acute
febrile illness and undulant fever which may progress to a more chronic form and can also
produce serious complications affecting the musculoskeletal, cardiovascular, and central
nervous systems. A veterinary livestock inspector presented to the institute with symptoms
of intermittent fever, pain involving muscles and joints, loss of weight, anxiety and weakness
for about three months has been investigated. The isolation, serological tests and PCR were
performed for diagnosis of brucellosis. Based on history of constant professional association
with animals, characteristic symptoms, hematological and biochemical, multiple serological
and PCR assay results, the patient was diagnosed as brucellosis. Detection of Brucella abortus
directly in the clinical samples by gel based PCRs were highly useful for diagnosis and
monitoring of treatment. This diagnostic protocol will facilitate in a simple way to map major
Brucella species infecting humans in a geographical region.Not Availabl
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Not AvailableYak (Bos grunniens) is multipurpose long haired ruminant reared by the poor tribal farmers for wool, milk,
meat, etc in the high altitudes of Himalayan region of Indian Territory. There is a serious concern about increasing
morbidity and mortality of yak due to respiratory diseases. Nasal swab sample was collected from pneumonic yak in
Amies charcoal transport media from Arunachal Pradesh, India and processed for bacterial isolation and identification
and direct PCR detection in 18h BHI enriched broth sample. Based on biochemical characteristics and multiplex
PCR, the culture was identified as K. pneumoniae (isolate No. KP1) and in in-vitro antibiotic sensitivity test, the isolate
was resistant to ampicillin. The 16S rRNA sequence analysis and 16S rRNA secondary structure prediction revealed
close geographical relatedness to environmental K. pneumoniae PB12 from River Mahananda from East India and K.
pneumoniae JPR 9 isolated from soil samples of Assam. This study describes pneumonia in yak due to K. pneumoniae
from Arunachal Pradesh, India by direct PCR detection from enriched clinical sample, isolation, PCR and 16S rRNA
sequence, phylogenetic and secondary structure relation studiesNot Availabl
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Not AvailableBrucellosis caused by Brucella spp. is an important zoonosis and constitutes a serious public health hazard. In India, the disease is increasingly prevalent among bovine population with high zoonotic potential and negative impact on national economy. The investigation was conducted to study seroprevalence of brucellosis through random sample survey using survey tool box software. A total of 12,054 (cattle-9236, buffaloes-2818) bovine serum samples sourced from 15 states of India were tested by protein G indirect ELISA. The true prevalences of brucellosis observed in cattle and buffaloes were 8.3% and 3.6%, respectively. The highest prevalence of brucellosis was observed in the state of Punjab in both cattle and buffaloes (23.51 and 10.2%). Comparatively higher prevalence was recorded in cattle than the buffaloes in all the states except Manipur. The true prevalence greater than 5% was recorded in 8 and 3 states for cattle and buffaloes, respectively (cattle- Punjab, Maharashtra, Rajasthan, Karnataka, Madhya Pradesh, Tamil Nadu, Gujarat and Kerala) and (buffaloes-Punjab, Gujarat and Manipur) indicating wider prevalence of brucellosis. This study conclusively highlighted the seroprevalence of bovine brucellosis at state level which might be useful for prioritizing regions for vaccination, designing control strategies and improvisation of clinical surveillance system.Not Availabl
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