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Search Results: 1 - 10 of 1020 matches for " NK Shrestha "
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Step wise Multi-criteria Performance Evaluation of Rainfall-Runoff Models using WETSPRO
PC Shakti,NK Shrestha,P Gurung
Journal of Hydrology and Meteorology , 2010, DOI: 10.3126/jhm.v7i1.5613
Abstract: This paper illustrates a methodology to evaluate model’s performance of rainfall runoff model using a tool called WETSPRO (Water Engineering Time Series PROcessing tool). Simulated results of physically based semidistributed model - SWAT (Soil and Water Assessment Tool) for Kliene Nete watershed (581 km2), Belgium are considered in this study. Paper presents a series of sequential time series processing tasks to be performed to evaluate model’s performance thoroughly. The problem of serial dependence and heteroscedasticity is addressed and model performance evaluation on different flow components (peak flows, low flows and volume) and flow volume is carried. Performance evaluation of both flow components on their extremes is also performed. Two most commonly used goodness-fit-statistics (Mean Square Error – MSE and Nash Sutcliff Efficiency ? NSE) are used with number of complementary graphical plots for evaluation propose. Results indicated model’s robust performance on peak flows although base flows are slightly underestimated especially for lower return periods. Cumulative flow volumes tend to be overestimated. Based upon the study, some recommendations are summarized to enhance model’s ability to simulate the flows events. Keywords: Rainfall runoff model; SWAT; WETSPRO; Kliene Nete; peak flows; low flows. DOI: http://dx.doi.org/10.3126/jhm.v7i1.5613 JHM 2010; 7(1): 18-29
Sediment Impact On Turbine Material: Case Study Of Modi River, Nepal
L Poudel,B Thapa,BP Shrestha,NK Shrestha
Kathmandu University Journal of Science, Engineering and Technology , 2012, DOI: 10.3126/kuset.v8i1.6047
Abstract: Hydropower is considered as one of the most economical and stable base energy source compared with other sources of energy of Nepal. Researches coherent to this field are not new but yet it is not sufficient, lots of tiles have to be kept for better understanding of hydropower effecting elements. Sand is the most affecting element that damages the turbine blades, so research on relation of sand and turbine is most. This research is done to find out the impact of sediment on turbine material. Modi River sediment at eight different stations has been taken as sample and its erosion rate in turbine blade sample specimen has been accounted in this study. Rotating disc apparatus has been utilized to find out the total impact of sand on turbine material. Four same kind of test turbine material is used on single rotating disc all at a time at same condition to define sand impact. Thirty gram (gm) of sediment mixed with three liters of water is used to strike sample pieces for five minutes. Two different tests of sediment samples of 8 different locations were studied. After all the test it is observed that the first test sand sample of location 1 and turbine material 1 has the highest impact with a weight loss of 7.764 mg and least impact in sand sample location 1 and sand sample 3 with a weight loss of 3.5 mg. Average weight loss of turbine material in first location is 5.929 mg which is the greatest impact and 4.0083 at eight locations which is the least. Relating to turbine material first rotating disc turbine specimen P0A has been affected highly with weight loss of 9.289 mg and less eroded on P5A rotating turbine specimen with weight loss of 1.2 mg.
Bacterial Isolates and its Antibiotic Susceptibility Pattern in NICU
S Shrestha,NC Shrestha,S Dongol Singh,RPB Shrestha,S Kayestha,M Shrestha,NK Thakur
Kathmandu University Medical Journal , 2013, DOI: 10.3126/kumj.v11i1.11030
Abstract: Background Neonatal sepsis is one of the major causes of morbidity and mortality among the newborns in the developing world . Objectives To determine the common bacterial isolates causing sepsis in neonatal intensive care unit and its antibiotic susceptibility pattern. Methods A one year discriptive prospective study was conducted in neonatal intensive care unit to analyse the results of blood culture and to look into the sensitivity of the commonly used antibiotics. Results The blood culture yield by conventional method was 44.13% with nosocomial sepsis accounting for 10.79%. 84.08% were culture proven early onset sepsis and 15.95% were late onset sepsis. Klebsiella infection was the commonest organism isolated in early, late and nosocomial sepsis but statistically not significant. Gram positive organisms were 39.36% in which Staphylococcus aureus was the leading microorganism followed by coagulase negative staphylococcus areus. Gram negative organisms were 60.64% amongst them Klebsiella was the most often encountered followed by Pseudomonas. The most common organism Klebsiella was 87.5% and 78.3% resistance to ampicillin and gentamycin respectively. Among gram negative isolates 87.5% and 77.2% were resistance to ampicillin and gentamycin respectively. Among gram positive isolates 58.5% and 31.5% resistance were noted to ampicillin and gentamycin respectively. Resistance to cefotaxim to gram negative and gram positive isolates were 87.34% and 59.35% respectively. Conclusion Klebsiella is most common organism which is almost resistance to first line antibiotics. Resistance to both gram negative and gram positive isolates among firstline antibiotics and even with cefotaxim is emerging and is a major concern in neonatal intensive care unit. DOI: http://dx.doi.org/10.3126/kumj.v11i1.11030 Kathmandu University Medical Journal Vol.11(1) 2013: 66-70
Medicinal and Aromatic Plants Network (MAPs-Net) Nepal: An open access digital database
RM Kunwar,KP Thapa,R Shrestha,PR Shrestha,NK Bhattarai,NN Tiwari,KK Shrestha
Banko Janakari , 2011, DOI: 10.3126/banko.v21i1.9064
Abstract: DOI: http://dx.doi.org/10.3126/banko.v21i1.9064 Banko Janakari, Vol. 21, No. 1 2011; 48-50
Cytogenetic analysis of children with suspected genetic disorder
U Shrestha,S Bhattacharya,NK Bhatta,CB Jha
Kathmandu University Medical Journal , 2009, DOI: 10.3126/kumj.v7i1.1763
Abstract: Objectives: To analyze chromosomes in children with suspected genetic disorder and to categorize the chromosomal basis of genetic disorder Materials and methods: Thirty children were selected from the patients attending genetic clinic, Department of Pediatrics, B.P. Koirala Institute of Health Sciences presenting with dysmorphic feature, mental retardation, short stature, congenital malformations and ambiguous genitalia with age between 0-15 years. Cytogenetic analysis was carried using standard peripheral blood lymphocyte culture method and G-banding technique in Cytogenetic laboratory of Department of Anatomy, B.P. Koirala Institute of Health Sciences. Results: Chromosomal disorders were identified in 33.34% (10) of children. The most common chromosomal abnormality was Down syndrome (26.67%) followed by Turner syndrome (6.67%). Conclusion : The cytogenetic analysis of children with suspected chromosomal aberration is important to uncover the contribution of chromosomal disorder in genesis of dysmorphisms, mental retardation, short stature, sexual ambiguity and congenital malformation in children and prevent further potentially unpleasant investigation being undertaken. Key words: Chromosome, suspected genetic disorder, dysmorphic feature, mental retardation, short stature, congenital malformations, ambiguous genitalia doi: 10.3126/kumj.v7i1.1763 ? ? ? Kathmandu University Medical Journal (2009), Vol. 7, No. 1, Issue 25, 40-43
Variability in Groundnut Genotypes for Tolerance to Drought
SB Thakur,SK Ghimire,SM Shrestha,NK Chaudhary,B Mishra
Nepal Journal of Science and Technology , 2013, DOI: 10.3126/njst.v14i1.8877
Abstract: Groundnut ( Arachis hypogaea L.) is one of the world’s most important legumes, both in subsistence and commercial agriculture in arid and semi-arid regions of the world. Global warming, an increasing threat, is expected to increase the water scarcity in the environment, affecting plant growth and metabolism. Groundnut yield in rain-fed areas has been limited by drought stress because pod yield and other growth parameters have been severely affected. Twenty five groundnut genotypes including four local checks (B-4, Rajashri, Baidehi and Jayanti) were composed and an experiment was conducted during 2010 and 2011at the National Oilseed Research Program (NORP), Nawalpur, Sarlahi, Nepal. The experiment was conducted in a randomized complete block design in three replications. The objective of the study was to determine the genetic variability in different groundnut genotypes to drought tolerance. The analysis of variance indicated highly significant differences for most of plant the characters. Remarkable levels of variability have existed among the groundnut varieties that are essential in groundnut improvement. The genotypes ICGV-99171, ICGV-98089, ICGV-97100, Baidehi, ICGV-00440 and B-4 were observed better for drought tolerance with high pod yield. It is suggested that these genotypes could be grown under regions of limited rainfall and may be used as parents in breeding programmes for developing drought tolerant groundnut cultivars. Nepal Journal of Science and Technology Vol. 14, No. 1 (2013) 41-50 DOI: http://dx.doi.org/10.3126/njst.v14i1.8877
Chronic osteomyelitis of clavicle in a 25 year-old male
P Chaudhary,NK Karn,BP Shrestha,GP Khanal,R Maharjan
Health Renaissance , 2011, DOI: 10.3126/hren.v9i2.4988
Abstract: Osteomyelitis of clavicle is very uncommon. The most common locations include metaphysic of long bones.1 Here, we present a case of 25 year old male who had presented to the Orthopaedic department of B.P. Koirala Institute of Health Sciences, Dharan, Nepal with complain of pain and Chronic discharging sinus from left clavicle for last 1 year. There was history of abscess over the clavicle and incision and drainage was performed 1 year back by the general surgeon. With all these characteristics and literature reviewed, we report this case for its rarity and unique characteristics. In this part of world (Nepal) patients commonly present late to the hospital
Determination of Relationship and Path Co-efficient between Pod Yield and Yield Component Traits of Groundnut Cultivars
SB Thakur,SK Ghimire,NK Chaudhary,SM Shrestha,B Mishra
Nepal Journal of Science and Technology , 2013, DOI: 10.3126/njst.v14i2.10409
Abstract: Twenty - five groundnut genotypes, obtained from National Oilseed Research Program (NORP), Nawalpur, Nepal along with local checks (B -4, Baidehi, Rajshree and Jayanti) were used to study correlation and path co-efficient among pod yield and yield component traits in groundnut. The pod yield ha-1 showed highly significant and positive association with days to maturity, sound matured kernel (SMK)%, pod length, pod width and kernel length but the highly significant and negative association was shown with days to flowering, pod plant -1 , shoots length, shelling % and specific leaf area. Partitioning the total yield contributions into individual and combined effect showed that days to maturity, root length, pod width, pod length and kernel length made individual high positive direct contribution to pod yield ha -1 .Days to flowering, shoot length, shelling %, SMK% and100 kernel weights had direct negative contribution with pod yield ha -1 . Therefore, days to maturity, root length, pod width, pod length and kernel length were identified to be the important traits which could be used in selection for yield. DOI: http://dx.doi.org/10.3126/njst.v14i2.10409 Nepal Journal of Science and Technology Vol. 14, No. 2 (2013) 1-8
Quadriceps angle in eastern Nepalese population
Rajiv Maharjan,BP Shrestha,GP Khanal,P Chaudhary,NK Karn
Health Renaissance , 2013, DOI: 10.3126/hren.v11i2.8223
Abstract: Introduction: Controversy still exists about within-subject and between-group variation of quadriceps angle (Q angle). Moreover, the reference value for our population has not been studied. Still many more determinants of Q angle are to be explored. Objectives: To determine a reference value for normal Q-angles among eastern Nepalese population and determine its correlation with other anthropometric determinants. Methods: 1200 subjects were included form representative districts of eastern Nepal and their Q angle from both sides in various position of limb was measured. Correlation between them as well as their correlation with age, height, weight and arm span of every individual was analyzed. Results: Quadriceps angle in the study population was symmetrically distributed. Between-group (male versus female), within-subject (right versus left lower limb), within-position (supine versus standing) difference in Q angle was not significant. Weight in males, in contrast to females, has strong correlation with Q angle. Conclusion: We conclude that there is within subject, within position and between gender asymmetry in Q angle. Thus in recording Q angle measurements, both sides should be measured with limb position specified. Health Renaissance, January-April 2013; Vol. 11 No.1; 150-156 DOI: http://dx.doi.org/10.3126/hren.v11i2.8223
Epidemiological study of back pain in the Teaching Districts of B.P.Koirala Institute of Health Sciences
BP Shrestha,SR Niraula,GP Khanal,NK Karn,P Chaudhary,R Rijal,R Maharjan
Health Renaissance , 2012, DOI: 10.3126/hren.v10i3.7130
Abstract: Introduction: The prevalence of back pain is very high in the general population but little is known about the predictors of back pain in the general population. Though certain risk factors have been associated with back pain, these are mentioned in Western literature. It is not known how much of these hold true for a developing country like Nepal.
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