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Search Results: 1 - 10 of 2055 matches for " Amar Nath "
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Controller Design and Simulation of PMSM Drive
Amar Nath Tiwari
International Journal of Engineering Science and Technology , 2011,
Abstract: The paper presents modeling, controller design and simulation of a PMSM drive. Hysteresis current controller is used for inner loop current control and PI controller for outer loop speed control. A simplified closed loop transfer function has been developed for the proposed drive and complete controller algorithm is given. The stability of the controller is studied for variations in the drive inertia and mechanical damping. The simulation results are shown for the verification of the controller algorithm.
INNOVATIVE WASTE MANAGEMENT PRACTICES FOR ENSURING SUSTAINABLE BUSINESS FOR HOSPITALITY INDUSTRY
AMAR NATH AND NRIPENDRA SINGH
Indian Streams Research Journal , 2012,
Abstract: The purpose of the study is to highlight the issues related to hospitality industry especially in the wake of increased quantity of waste generation from this industry by identifying the various gaps present in current waste management system in hospitality industry. Study aims to highlight various areas of improvement and their positive implications. For this purpose extensive literature review has been done on hospitality industry in order to find out innovative waste management practices that have the potential to ensure the sustainability of the overall business especially in the context of hospitality sector. Qualitative approach along with various case studies has been used for the carrying out the study. Various parameters and dimensions emerged after analyzing literatures and case studies have been included in concluding remarks of the research paper that help to redefine the hierarchy of waste management currently used in hospitality industry
Improving Survival in Decompensated Cirrhosis
Amar Nath Mukerji,Vishal Patel,Ashokkumar Jain
International Journal of Hepatology , 2012, DOI: 10.1155/2012/318627
Abstract: Mortality in cirrhosis is consequent of decompensation, only treatment being timely liver transplantation. Organ allocation is prioritized for the sickest patients based on Model for End Stage Liver Disease (MELD) score. In order to improve survival in patients with high MELD score it is imperative to preserve them in suitable condition till transplantation. Here we examine means to prolong life in high MELD score patients till a suitable liver is available. We specially emphasize protection of airways by avoidance of sedatives, avoidance of Bilevel Positive Airway Pressure, elective intubation in grade III or higher encephalopathy, maintaining a low threshold for intubation with lesser grades of encephalopathy when undergoing upper endoscopy or colonoscopy as pre transplant evaluation or transferring patient to a transplant center. Consider post-pyloric tube feeding in encephalopathy to maintain muscle mass and minimize risk of aspiration. In non intubated and well controlled encephalopathy, frequent physical mobility by active and passive exercises are recommended. When renal replacement therapy is needed, night-time Continuous Veno-Venous Hemodialysis may be useful in keeping the daytime free for mobility. Sparing and judicious use of steroids needs to be borne in mind in treatment of ARDS and acute hepatitis from alcohol or autoimmune process.
T-cell Proliferation in a Mathematical Model of CTL Activity Through HIV-1 Infection
Priti Kumar Roy,Amar Nath Chatterjee
Lecture Notes in Engineering and Computer Science , 2010,
Abstract:
Mahesh Dattani’s Final Solutions: A Drama of Social Maladies
Pramod Kumar Singh,Amar Nath Prasad
Journal of Literature, Culture and Media Studies , 2010,
Abstract:
Improving Survival in Decompensated Cirrhosis
Amar Nath Mukerji,Vishal Patel,Ashokkumar Jain
International Journal of Hepatology , 2012, DOI: 10.1155/2012/318627
Abstract: Mortality in cirrhosis is consequent of decompensation, only treatment being timely liver transplantation. Organ allocation is prioritized for the sickest patients based on Model for End Stage Liver Disease (MELD) score. In order to improve survival in patients with high MELD score it is imperative to preserve them in suitable condition till transplantation. Here we examine means to prolong life in high MELD score patients till a suitable liver is available. We specially emphasize protection of airways by avoidance of sedatives, avoidance of Bilevel Positive Airway Pressure, elective intubation in grade III or higher encephalopathy, maintaining a low threshold for intubation with lesser grades of encephalopathy when undergoing upper endoscopy or colonoscopy as pre transplant evaluation or transferring patient to a transplant center. Consider post-pyloric tube feeding in encephalopathy to maintain muscle mass and minimize risk of aspiration. In non intubated and well controlled encephalopathy, frequent physical mobility by active and passive exercises are recommended. When renal replacement therapy is needed, night-time Continuous Veno-Venous Hemodialysis may be useful in keeping the daytime free for mobility. Sparing and judicious use of steroids needs to be borne in mind in treatment of ARDS and acute hepatitis from alcohol or autoimmune process. 1. Introduction Mortality in cirrhosis is usually a consequence of decompensation or its ensuing complications. Notable exceptions are cases with hepatocellular carcinoma, where death could result from local mass effects or metastatic disease. Quite often the patient has more than one feature of decompensation and presents a complex challenge. The treatment of choice for decompensated cirrhosis is orthotopic liver transplantation and many such patients are placed on transplant waiting lists. This implies that to improve mortality in this population, we need to prolong survival until a transplant is received [1]. Merion et al. [2] reported a waiting list mortality of 25% (190 out of the 760 patients in their series), which justifies the focus on this population. The MELD (Model for End Stage Liver Disease) score is used for organ allocation in the United States [3]. Although the MELD score predicts 90-day mortality based on bilirubin, INR (international normalized ratio) and serum creatinine, the predisposing factors for death and final events leading to mortality needs consideration. In this paper, we shall attempt to identify decompensated cirrhosis patient at high risk for mortality, the events leading to
Effect of salinisation of soil on growth, water status and general nutrient accumulation in seedlings of Delonix regia (Fabaceae)

Ashish Dahyabhai Patel,Hina Bhensdadi,Amar Nath Pandey,

生态学报 , 2009,
Abstract: Greenhouse experiments were conducted to assess the effect of salinisation of soil on emergence, growth, water content, proline content and mineral accumulation of seedlings of Delonix regia (Hook.) Raf. (Fabaceae). Sodium chloride (NaCl) was added to the soil and salinity was maintained at 0.3, 1.9, 3.9, 6.0 and 7.9 dS m 1. A negative relationship between seedling emergence and salt concentration was obtained. Salinity caused reduction in water content and water potential of tissues (leaves, stems, tap roots and lateral roots) that resulted in internal water deficit to plants. Consequently, shoot and root elongation, leaf expansion and dry matter accumulation in leaves, stems, tap roots and lateral root tissues of seedlings significantly decreased in response to increasing concentration of salt. Proline content in tissues was very low. There were no effective mechanisms to control net uptake of Na on root plasma membrane and subsequently its transport to shoot tissues. Potassium content significantly decreased in tissues in response to salinisation of soil. This tree species is a moderate salt-tolerant glycophytic plant. Nitrogen and calcium content in tissues significantly decreased as soil salinity increased. Phosphors content in tissues exhibited a declining trend with increase in soil salinity. Changes in tissues and whole-plant accumulation pattern of other elements tested, as well as possible mechanisms for avoidance of Na toxicity in this tree species in response to salinisation, are discussed.
PERFORMANCE EVALUATION OF MANET ROUTING PROTOCOLS GRP, DSR AND AODV BASED ON PACKET SIZE
AMAR NATH MURAW,Dr. DEEPAK ARORA,SHASHWAT SHUKLA,VINEET SINGH
International Journal of Engineering Science and Technology , 2012,
Abstract: Mobile Ad hoc Networks has become an essential part of interest of researchers in last couple of years. A Mobile Ad-Hoc Network is a collection of independent wireless mobile nodes having no any centralized accesspoint, infrastructure and any centralized administration. In order to communicate with other nodes inside thenetwork, a routing protocol is used to find out best possible routes among nodes. The most important goal of adhoc network routing protocol is to discover, validate and establish route between a couples of nodes, for appropriate, fast and reliable message delivery. In this research work authors have analyzed the performance of three most popular MANET routing protocols GRP, DSR and AODV under different parameters like throughput, Network delay and network load. Authors have performed entire analysis to study the behaviour ofthese protocols under different test measures based on packet size as a key parameter. Authors have also given their test results by using OPNET as a testing tool and demonstrated all the simulations in this work.
HIV Infection in T-lymphocytes and Drug Induced CTL Response of a Time Delayed Model
Priti Kumar Roy,Amar Nath Chatterjee,Biplab Chattopadhyay
Lecture Notes in Engineering and Computer Science , 2010,
Abstract:
Role of candidate genes in regulation of embryonic survival and maternal recognition of pregnancy in farm animals
Rohit Kumar,P. W. Ramteke,Amar Nath,Satyendra P. Singh
Veterinary World , 2013, DOI: 10.5455/vetworld.2013.280-284
Abstract: Successful growth and development of the post-hatching blastocyst and pregnancy establishment are results of the interaction between a competent embryo and a receptive uterine environment. There are certain marker gene transcripts identified which contribute and regulate the bidirectional channel of communication during the pregnancy period in farm animals. The changes in temporal gene expression in the endometrium are similar in pregnant and cyclic animals up to the time of maternal recognition of pregnancy (MRP) when conceptus derived factors affect expression of a large number of genes in pregnant animals. In this review we have discussed a set of candidate genes expressed or induced for MRP. There are certain genes playing important role in MRP in farm animals, of which interferon-tau (IFNT), Ubiquitin Cross Reative Protein (UCRP), Ghrelin, Aldoketoreductase-1B5 (AKR1B5), SERPINA14 are having esteemed role in farm animals. These genes appear to have role in successful establishment of pregnancy and expression of the cascade of signalling molecules. However, IFNT was recognized as one of the earliest expressing gene specifically required for maintenance of pregnancy. [Vet World 2013; 6(5.000): 280-284]
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