匹配条件: “Hem Bahadur Katuwal” ,找到相关结果约367条。
The mammalian fauna from the Central Himalaya, Nepal
Hem Bahadur Katuwal,Bhaiya Khanal,Khadga Basnet,Bhim Rai
Asian Journal of Conservation Biology , 2013,
Abstract: Nepal harbors unique mammalian fauna, but it is poorly studied at higher elevation. Mammalian fauna were recorded in Manaslu Conservation Area, Dudhkunda and Dudhkoshi valley of Solukhumbu district and Kanchenjunga Conservation Area of Nepal during March 2011 to April 2013 along the trail and the study plots from 700m to 4400m a.s.l. Semi-structured interviews were made with local people to understand their behavior and habitats. Altogether, 29 mammalian fauna were recorded. Five species were recorded new for the areas. Overall, Carnivore species (nine) were encountered more, followed by species of the order Cetartiodactyla (seven). The highest number of mammalian fauna (18) was identified from Manaslu Conservation Area whereas the least (11) from Dudhkunda and Dudhkoshi valley. Human wildlife conflict was frequent with Himalayan Goral (Naemorhedus goral), Barking Deer (Muntiacus vaginalis), Himalayan Tahr (Hemitragus jemlahicus), Rhesus Macaque (Macaca mulatta), Nepal Grey Langur (Semnopithecus schistaceus) and Himalayan Black Bear (Ursus thibetanus) for crop depredation in these areas. Although mammalian research started a long time ago, scenario of comprehensive research is not satisfactory in the Central Himalaya, Nepal.
Nepalese management education at crossroads: Prospects and constraints
Shyam Bahadur Katuwal
Bodhi: An Interdisciplinary Journal , 2011, DOI: 10.3126/bodhi.v5i1.8050
Abstract: Bodhi: An Interdisciplinary Journal, 5, 2011, Page 144-159 DOI: http://dx.doi.org/10.3126/bodhi.v5i1.8050
Named Entity Recognition for Nepali Text Using Support Vector Machines  [PDF]
Surya Bahadur Bam, Tej Bahadur Shahi
Intelligent Information Management (IIM) , 2014, DOI: 10.4236/iim.2014.62004

Named Entity Recognition aims to identify and to classify rigid designators in text such as proper names, biological species, and temporal expressions into some predefined categories. There has been growing interest in this field of research since the early 1990s. Named Entity Recognition has a vital role in different fields of natural language processing such as Machine Translation, Information Extraction, Question Answering System and various other fields. In this paper, Named Entity Recognition for Nepali text, based on the Support Vector Machine (SVM) is presented which is one of machine learning approaches for the classification task. A set of features are extracted from training data set. Accuracy and efficiency of SVM classifier are analyzed in three different sizes of training data set. Recognition systems are tested with ten datasets for Nepali text. The strength of this work is the efficient feature extraction and the comprehensive recognition techniques. The Support Vector Machine based Named Entity Recognition is limited to use a certain set of features and it uses a small dictionary which affects its performance. The learning performance of recognition system is observed. It is found that system can learn well from the small set of training data and increase

Effects of Boundary Conditions on Postbuckling Strengths of Composite Laminate with Various Shaped Cutouts under In-Plane Shear  [PDF]
Dinesh Kumar, Shamsher Bahadur Singh
Open Journal of Composite Materials (OJCM) , 2013, DOI: 10.4236/ojcm.2013.32006

Cutouts are often provided in composite structural components for practical reasons. For instance, aircraft components such as wingspar, fuselage and ribs are provided with cutouts for access, inspection, fuel lines and electric lines or to reduce the overall weight. This paper addresses the effect of boundary condition on buckling and postbuckling responses, failure loads, and failure characteristics of composite laminate with various shaped cutouts (i.e., circular, square, diamond, elliptical-vertical and elliptical-horizontal) and having different lay-ups under in-plane shear (positive and negative) load, using finite-element method. The FEM formulation is based on the first order shear deformation theory in conjunction with geometric nonlinearity using von Karman’s assumptions. The 3-D Tsai-Hill criterion is used to predict the failure of a lamina while the onset of delamination is predicted by the interlaminar failure criterion. It is observed that the effect of boundary condition on buckling, first-ply failure and ultimate failure loads of a quasi-isotropic laminate with cutout is more for positive shear load than that for the negative shear load for almost all cutout shapes. It is also noted that under in-plane shear loads postbuckling stiffness of (0/90)4s laminate with circular cutout is maximum, while it is minimum for (45/—45)4s laminate with circular cutout, irrespective of boundary conditions.

Mobile SMS Spam Filtering for Nepali Text Using Naïve Bayesian and Support Vector Machine  [PDF]
Tej Bahadur Shahi, Abhimanu Yadav
International Journal of Intelligence Science (IJIS) , 2014, DOI: 10.4236/ijis.2014.41004

Spam is a universal problem with which everyone is familiar. A number of approaches are used for Spam filtering. The most common filtering technique is content-based filtering which uses the actual text of message to determine whether it is Spam or not. The content is very dynamic and it is very challenging to represent all information in a mathematical model of classification. For instance, in content-based Spam filtering, the characteristics used by the filter to identify Spam message are constantly changing over time. Na?ve Bayes method represents the changing nature of message using probability theory and support vector machine (SVM) represents those using different features. These two methods of classification are efficient in different domains and the case of Nepali SMS or Text classification has not yet been in consideration; these two methods do not consider the issue and it is interesting to find out the performance of both the methods in the problem of Nepali Text classification. In this paper, the Na?ve Bayes and SVM-based classification techniques are implemented to classify the Nepali SMS as Spam and non-Spam. An empirical analysis for various text cases has been done to evaluate accuracy measure of the classification methodologies used in this study. And, it is found to be 87.15% accurate in SVM and 92.74% accurate in the case of Na?ve Bayes.

First line anti-tubercular drug resistance among patients visiting German Nepal Tuberculosis Project, Nepal
S Regmi,B Shrestha,A Katuwal
International Journal of Infection and Microbiology , 2013, DOI: 10.3126/ijim.v2i2.8321
Abstract: INTRODUCTION: Tuberculosis is one of the commonest causes of death in the world. It remains a major public health problem in developing countries including Nepal. Despite the reduction in incidence of tuberculosis by the implementation of anti-tuberculosis drugs regimen, TB remains pandemic due to emergence of drug resistant strain of M. tuberculosis. The aim of this study was to evaluate the first line anti-tubercular drug resistance among patients visiting German Nepal Tuberculosis Project, Nepal. MATERIALS AND METHODS: Anti-tubercular drug susceptibility test for first line drugs (Rifampicin, Isonizid, Ethambutol, and Streptomycin) was performed by proportion method (n=141) for new sputum smear positive patients attending German Nepal Tuberculosis Project, Kathmandu, Nepal. RESULTS: 78.1% (n=110.) were sensitive to all 4 drugs. Eight isolates (5.6%), 4(2.8%), 10(7.1%) and 31(21.9%) were resistant to any 4, 3, 2 and 1 drug respectively. Proportion of drug resistant (PDR) to one drug was 12.6%, two drugs 7.6%, three drugs (6.3%) and four drugs was 5.6%. Our result indicates the PDR to the first line drug was 21.9% and multidrug resistant (MDR) was 12 (8.5%). CONCLUSIONS: Drugs resistant cases of tuberculosis in increasing. Surveillance and monitoring of the drug resistant tuberculosis is necessary to prevent emergence of MDR, extensively drug resistant and so-called totally drug resistant tuberculosis. ? DOI: http://dx.doi.org/10.3126/ijim.v2i2.8321 ? Int J Infect Microbiol 2013;2(2):45-48
Convergence of Lagrange interpolation on the unit circle
S. Bahadur
International Mathematical Forum , 2012,
Proteomic analysis of acidic chaperones, and stress proteins in extreme halophile Halobacterium NRC-1: a comparative proteomic approach to study heat shock response
Hem D Shukla
Proteome Science , 2006, DOI: 10.1186/1477-5956-4-6
Abstract: A modified 2-D gel electrophoretic procedure, employing IPG strips in the range of pH 3–6, enabled improved separation of acidic proteins relative to previous techniques. Combining experimental data from 2-D gel electrophoresis with available genomic information, allowed the identification of at least 30 cellular proteins involved in many cellular functions: stress response and protein folding (CctB, PpiA, DpsA, and MsrA), DNA replication and repair (DNA polymerase A α subunit, Orc4/CDC6, and UvrC), transcriptional regulation (Trh5 and ElfA), translation (ribosomal proteins Rps27ae and Rphs6 of the 30 S ribosomal subunit; Rpl31eand Rpl18e of the 50 S ribosomal subunit), transport (YufN), chemotaxis (CheC2), and housekeeping (ThiC, ThiD, FumC, ImD2, GapB, TpiA, and PurE). In addition, four gene products with undetermined function were also identified: Vng1807H, Vng0683C, Vng1300H, and Vng6254. To study the heat shock response of Halobacterium NRC-1, growth conditions for heat shock were determined and the proteomic profiles under normal (42°C), and heat shock (49°C) conditions, were compared. Using a differential proteomic approach in combination with available genomic information, bioinformatic analysis revealed five putative heat shock proteins that were upregulated in cells subjected to heat stress at 49°C, namely DnaJ, GrpE, sHsp-1, Hsp-5 and sHsp-2.The modified 2-D gel electrophoresis markedly enhanced the resolution of the extremely acidic proteome of Halobacterium NRC-1. Constitutive expression of stress proteins and chaperones help the organism to adapt and survive under extreme salinity and other stress conditions. The upregulated expression pattern of putative chaperones DnaJ, GrpE, sHsp-1, Hsp-5 and sHsp-2 under elevated temperature clearly suggests that Halobacterium NRC-1 has a sophisticated defense mechanism to survive in extreme environments.Halobacterium sp. NRC-1 inhabits an extreme and dynamic environment which presents a significant challenge to it
Journalistisk frihet och ofrihet. M nga fr gor, f rre svar
Pertti Hemánus
Massekultur & Medier , 1984,
Abstract: Journalistisk frihet och ofrihet. M nga fr gor, f rre svar
An assessment of the impact of Koshi floods to birds and mammals
Hem Sagar Baral
Nepalese Journal of Biosciences , 2012, DOI: 10.3126/njbs.v2i0.7482
Abstract: Flood impact assessment with a focus on wetland dependent birds and mammals was carried out in 2009. Data compared to 2008, showed decline in the total number of birds. The results showed that while some bird benefitted from replenished fish stock, many others suffered. South Asian River Dolphin Platanista gangetica increased in number within the Koshi Tappu Wildlife Reserve after the flooding. Poverty and illiteracy contributing to lack of awareness amongst local people were hampering conservation works in the Reserve. DOI: http://dx.doi.org/10.3126/njbs.v2i0.7482 Nepalese Journal of Biosciences 2 : 1-4 (2012)

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