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Learning from Japan for Possible Improvement in Existing Disaster Risk Management System of Nepal

Open Journal of Earthquake Research 2019年第2期8卷 85-100页

作者： ganesh kumar jimee Kimiro Meguro Amod Mani Dixit Institute of Industrial Science The University of Tokyo Tokyo Japan National Society for Earthquake Technology-Nepal (NSET) Lalitpur Nepal International Center for Urban Safety Engineering Institute of Industrial Science The University of Tokyo Tokyo Japan Asian Disaster Risk Reduction Network (ADRRN) Kathmandu Nepal

Nepal and Japan, both are multi-hazard prone countries having experience of devastating disasters. It is difficult, if not impossible, to stop natural hazard events at source. However, the impact can be reduced significantly by preventing them from turning into disasters. The impact of disasters can vary depending on the capacity to handle the situation;and the capacity depends on the level of preparedness and mitigation measures taken in advance. Japan has set example for the rest of the world when it comes to Disaster Risk Management (DRM). Recovery and reconstruction after disasters are not just to develop the area as it was earlier, but it has to be taken as an opportunity for developing better than earlier, which is called as “Build Back Better”. This concept was raised by Japanese Government in UN World conference, Sendai in 2015 [1]. Dynamic, evolutionary and proactive DRM policy and plans with innovation, and the use of science and technology to find solutions, and effective implementation of the policy and plans, coupled with the culture of safety among the citizens, and the spirit of never give up “Nana KarobiYa Oki” (Seven times fall down, Eight times get up), are the unique features that every country should learn from Japan’s DRM mechanism. This paper is an effort to buy-in the good practices from Japan to improve DRM system in Nepal. It is a product of three-month intensive research in the University of Tokyo under a PhD research that consisted of reviewing existing DRM documents and several interactive meetings with stakeholders in Japan.

关键词： Learnings from Japan Disaster Risk Management Act Disaster

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Performance assessment of prefabricated vertical drains in mitigating soil reliquefaction subjected to repeated seismic events using shaking table experiments

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Frontiers of Structural and Civil Engineering 2024年第3期18卷 411-427页

作者： Gowtham PADMANABHAN ganesh kumar SHANMUGAM Department of Earthquake Engineering Indian Institute of Technology RoorkeeUttarakhand 247667India Geotechnical Engineering Division CSIR-Central Building Research Institute Academy of Scientific and Innovative Research(AcSIR)Uttarakhand 247667India

The use of prefabricated vertical drains(PVD)in liquefiable deposits is gaining attention due to enhanced ***,investigations on PVD in mitigating re-liquefaction during repeated shaking events are not *** study performed a series of shaking table experiments on untreated and PVD-treated specimens prepared with 40%and 60%relative *** sinusoidal loading was applied with an incremental peak acceleration of 0.1g,0.2g,0.3g,and 0.4g,at 5 Hz shaking frequency with 40 s *** performance of treated ground was evaluated based on the generation and dissipation of excess pore water pressure(EPWP),induced sand densification,subsidence,and cyclic stress *** addition,the strain accumulated in fresh and exhumed PVD was investigated using geotextile tensile testing apparatus aided with digital image *** evidence of pore pressure was reported up to 0.2g peak acceleration for 40%and 60%relative density *** continuous occurrence of soil densification and drainage medium restrained and delayed the generation of EPWP and expedited the dissipation *** study demonstrates PVD can mitigate re-liquefaction,without suffering from deterioration,when subjected to medium to high intense repeated shaking events.

关键词： prefabricated vertical drains drainage re-liquefaction shaking table digital image correlation

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Extension of Distribution Transformer Life in the Presence of Smart Inverter-based Distributed Solar Photovoltaic Systems

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CSEE Journal of Power and Energy Systems 2024年第1期10卷 88-95页

作者： Kanhaiya kumar Saran Satsangi ganesh Balu Kumbhar Department of Electrical and Electronics Engineering Motihari College of EngineeringMotihariBiharIndia Department of Electrical Engineering National Institute of Technology(NIT)PatnaPatnaBiharIndia Department of Electrical Engineering Indian Institute of Technology(IIT)RoorkeeRoorkeeUttarakhandIndia

A transformer is an essential but expensive power delivery equipment for a distribution *** many distribution utilities worldwide,a sizable percentage of transformers are near the end of their designed *** the same time,distribution utilities are adopting smart inverter-based distributed solar photovoltaic(SPV)systems to maximize renewable *** central objective of this paper is to propose a methodology to quantify the effect of smart inverter-based distributed SPV systems on the aging of distribution *** proposed method is first tested on a modified IEEE-123 node distribution *** that,the procedure is applied to a practical distribution system,i.e.,the Indian Institute of Technology(IIT)Roorkee campus,*** transformer aging models,alongside advanced control functionalities of grid-tied smart inverter-based SPV systems,are implemented in *** open-source simulation tool(OpenDSS)is used to model distribution *** analyze effectiveness of various inverter functionalities,time-series simulations are performed using exponential load models,considering daily load curves from multiple seasons,load types,current harmonics,*** show replacing a traditional inverter with a smart inverter-based SPV system can enable local reactive power generation and may extend the life of a distribution *** results demonstrate,simply by incorporating smart inverter-based SPV systems,transformer aging is reduced by 15%to 22%in comparison to SPV systems operating with traditional inverters.

关键词： Distribution transformer loss of life smart inverter functions solar photovoltaic systems thermal models Volt-VAr control

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Adverse events associated with the gold probe and the injection gold probe devices used for endoscopic hemostasis:A MAUDE database analysis

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World Journal of Gastrointestinal Endoscopy 2024年第1期16卷 37-43页

作者： Vishnu Charan Suresh kumar Mark Aloysius ganesh Aswath Division of Gastroenterology and Hepatology SUNY Upstate Medical UniversitySyracuseNY 13202United States

BACKGROUND Gastrointestinal(GI)bleeding accounts for over half a million admissions annually and is the most common GI diagnosis requiring hospitalization in the United *** electrocoagulation devices are used for the management of gastrointestinal *** is no data on device-related adverse events for gold probe(GP)and injection gold probe(IGP).AIM To analyze this using the Food and Drug Administration(FDA’s)Manufacturer and User Facility Device Experience(MAUDE)database from 2013 to *** We examined post-marketing surveillance data on GP and IGP from the FDA MAUDE database to report devicerelated and patient-related adverse events between *** MAUDE database is a publicly available resource providing over 4 million records relating to medical device *** analyses were performed using IBM SPSS Statistics V.27.0(IBM Corp.,Armonk,NY,United States).RESULTS Our search elicited 140 reports for GP and 202 reports for IGP,respec-tively,during the study period from January 2013 to August *** reportedly occurred in 130 cases for GP,and actual patient injury or event occurred in 10 patients.A total of 149 patients(74%)reported with Injection GP events suffered no significant consequences due to the device failure,but 53 patients(26%)were affected by an *** GP and IGP are critical in managing gastrointestinal *** study of the FDA MAUDE database revealed the type,number,and trends of reported device-related adverse *** endoscopist and support staff must be aware of these device-related events and be equipped to manage them if they occur.

关键词： Hemostasis Gastrointestinal bleeding Endoscopy Device failure Bipolar coagulation Cautery Risks

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Impact of glucagon-like peptide receptor agonists on endoscopy and its preoperative management: Guidelines, challenges, and future directions

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World Journal of Gastrointestinal Endoscopy 2024年第6期16卷 292-296页

作者： Sahib Singh Vishnu Charan Suresh kumar ganesh Aswath Department of Internal Medicine Sinai HospitalBaltimoreMD 21215United States Division of Gastroenterology and Hepatology State University of New York Upstate Medical UniversitySyracuseNY 13210United States

Glucagon-like peptide receptor agonists(GLP-1RA)are used to treat type 2 diabetes mellitus and,more recently,have garnered attention for their effect-iveness in promoting weight *** have been associated with several gastrointestinal adverse effects,including nausea and *** side effects are presumed to be due to increased residual gastric *** the potential risk of aspiration and based on limited data,the American Society of Anesthesi-ologists updated the guidelines concerning the preoperative management of patients on GLP-1RA in *** included the duration of mandated cessation of GLP-1RA before sedation and usage of“full stomach”precautions if these medications were not appropriately held before the *** has led to additional challenges,such as extended waiting time,higher costs,and increased risk for *** this editorial,we review the current societal guidelines,clinical practice,and future directions regarding the usage of GLP-1RA in patients undergoing an endoscopic procedure.

关键词： Glucagon-like peptide receptor agonists Endoscopy Adverse events Intubation Aspiration Semaglutide Healthcare burden Guidelines

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低成本羧甲基纤维素水凝胶制备及其吸附性能探索型实验设计

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实验技术与管理 2024年第2期41卷 81-89页

作者：包月平 ganesh kumar 胡晓展思辉张贺南开大学环境科学与工程学院天津300350 南洋理工大学材料科学与工程学院新加坡639798

羧甲基纤维素水凝胶分子内含有大量的羧基和羟基官能团,能够高效吸附水体中的有机污染物,同时由于水凝胶的易回收和生物相容性,目前已被广泛应用于印染废水处理。但传统的羧甲基纤维素水凝胶制备方法存在耗时长、成本高、污染重等问题... 详细信息

羧甲基纤维素水凝胶分子内含有大量的羧基和羟基官能团,能够高效吸附水体中的有机污染物,同时由于水凝胶的易回收和生物相容性,目前已被广泛应用于印染废水处理。但传统的羧甲基纤维素水凝胶制备方法存在耗时长、成本高、污染重等问题。该实验设计结合我国资源化发展和环境保护需要,以纤维素水凝胶为原料,以水代替部分传统有机溶剂,开发出一种室温下快速制备羧甲基纤维素水凝胶的绿色合成方案。合成时间从44 h缩短至约4h,制备成本降低约95%,同时减少了化学试剂的使用,避免了二次污染。实验选用典型染料亚甲基蓝作为模型污染物,考察了羧甲基纤维素水凝胶对其在不同水体环境中的吸附性能。

关键词：羧甲基纤维素水凝胶亚甲基蓝吸附

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Remimazolam for sedation in gastrointestinal endoscopy:A comprehensive review

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World Journal of Gastrointestinal Endoscopy 2024年第7期16卷 385-395页

作者： Dushyant Singh Dahiya ganesh kumar Syeda Parsa Manesh kumar Gangwani Hassam Ali Amir Humza Sohail Saqr Alsakarneh Umar Hayat Sheza Malik Yash R Shah Bhanu Siva Mohan Pinnam Sahib Singh Islam Mohamed Adishwar Rao Saurabh Chandan Mohammad Al-Haddad Division of Gastroenterology Hepatology&MotilityThe University of Kansas School of MedicineKansas CityMO 66160United States Department of Internal Medicine Chandka Medical CollegeSindh 77280Pakistan Department of Gastroenterology and Hepatology University of Arkansas For Medical SciencesLittle RockAR 72205United States Division of Gastroenterology Hepatology and NutritionEast Carolina University/Brody School of MedicineGreenvilleNC 27858United States Department of Surgery University of New Mexico School of MedicineAlbuquerqueNM 87106United States Department of Internal Medicine University of Missouri-Kansas CityKansas CityMO 64108United States Department of Internal Medicine Geisinger Wyoming Valley Medical CenterWilkes BarrePA 18711United States Department of Internal Medicine Rochester General HospitalRochesterNY 14621United States Department of Internal Medicine Trinity Health Oakland/Wayne State UniversityPontiacMI 48341United States Department of Internal Medicine John H.Stroger Hospital of Cook CountyChicagoIL 60612United States Department of Internal Medicine Sinai hospitalBaltimoreMD 21215United States Department of Hepatology University of MissouriColumbiaMO 65211United States Department of Internal Medicine Guthrie Robert Packer HospitalSayrePA 18840United States Division of Gastroenterology and Hepatology Creighton University School of MedicineOmahaNE 68131United States Division of Gastroenterology and Hepatology Indiana University School of MedicineIndianapolisIN 46202United States

Worldwide,a majority of routine endoscopic procedures are performed under some form of sedation to maximize patient ***,benzodiazepines and opioids continue to be widely ***,in recent years,Remimazolam is gaining immense popularity for procedural sedation in gastrointestinal(GI)*** is an ultra-short-acting benzodiazepine sedative which was approved by the Food and Drug Administration in July 2020 for use in procedural *** has shown a favorable pharmacokinetic and pharmacodynamic profile in terms of its non-specific metabolism by tissue esterase,volume of distribution,total body clearance,and negligible drug-drug *** also has satisfactory efficacy and has achieved high rates of successful sedation in GI ***,studies have demonstrated that the efficacy of Remimazolam is non-inferior to Propofol,which is currently a gold standard for procedural sedation in most parts of the ***,the use of Propofol is associated with hemodynamic instability and respiratory *** contrast,Remimazolam has lower incidence of these adverse effects intra-procedurally and hence,may provide a safer alternative to Propofol in procedural *** this comprehensive narrative review,highlight the pharmacologic characteristics,efficacy,and safety of Remimazolam for procedural *** also discuss the potential of Remimazolam as a suitable alternative and how it can shape the future of procedural sedation in gastroenterology.

关键词： Remimazolam Endoscopy Sedation Outcomes Efficacy Safety Pharmacokinetics

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Experimental studies on liquefaction and reliquefaction potential of saturated ground subjected to repeated incremental acceleration loading with varying shaking duration

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Earthquake Engineering and Engineering Vibration 2023年第4期22卷 909-920页

作者： Gowtham Padmanabhan ganesh kumar Shanmugam Department of Earthquake Engineering Indian Institute of Technology RoorkeeRoorkeeUttarakhand 247667India Geotechnical Engineering Division CSIR-Central Building Research InstituteAcademy of Scientific and Innovative Research(AcSIR)RoorkeeUttarakhand 247667India

Past research has focused on the factors that influence liquefaction under normal shaking ***,studies on parameters that influence the reliquefaction potential of saturated deposits during repeated shaking events are *** this study,an attempt has been made to examine the influence of acceleration amplitude and shaking duration on liquefaction and reliquefaction potential under repeated shaking conditions is conducted.1-g uni-axial shaking table experiments were performed on saturated ground prepared with 40%and 60%relative *** prepared ground was subjected to alternate longer and shorter shaking durations(40 and 20 s)of repeated incremental 0.1 g,0.2 g,0.3 g and 0.4 g acceleration loading,*** variation in density,excess pore water pressure(EPWP),cyclic resistance ratio(CRR)and surface settlement were *** results showed that due to repeated incremental shaking events,reliquefaction was observed on the prepared *** longer shaking duration,the post-liquefied soil showed density improvement with improved soil ***,the application of shorter duration loading followed by longer shaking reduced the beneficial effect of density improvement by disturbing the densified *** to this,the ground was found to be more susceptible to reliquefaction in the subsequent incremental longer shaking event.

关键词： 1g–shaking table reliquefaction acceleration amplitude shaking duration relative density

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An overview of chemical enhanced oil recovery and its status in India

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Petroleum Science 2023年第4期20卷 2305-2323页

作者： ganesh kumar Pothula Rakesh kumar Vij Achinta Bera Department of Petroleum Engineering School of Energy TechnologyPandit Deendayal Energy UniversityGandhinagarGujarat382007India

India is currently producing crude oil from matured fields because of insufficient discoveries of new ***,in order to control the energy crisis in India,enhanced oil recovery(EOR)techniques are required to reduce the import of crude from the OPEC(Organization of the Petroleum Exporting Countries).This review mentions chemical EOR techniques(polymers,surfactants,alkali,nanoparticles,and combined alkali-surfactant-polymer flooding)and operations in *** EOR methods are one of the most efficient methods for oil *** efficiency is enhanced by interfacial tension(IFT)reduction using surfactants and alkali,and mobility control of injected water is done by adding a polymer to increase the volumetric sweep *** paper also reviews the current trend of chemical EOR,prospects of chemical EOR in Indian oilfields,the development of chemical EOR in India with their challenges raising with economics,and screening criteria for chemical EOR implementation on the field ***,the review gives a brief idea about chemical EOR implementation in Indian oilfields in future prospects to increase the additional oil recovery from existing depleted fields to reduce the import of crude *** outcome of this review depicts all chemical EOR operations and recovery rates both at the laboratory scale and field scale around the *** additional recovery rates are compared from various chemical EOR methods like conventional chemical flooding methods and conventional chemicals combined with nanoparticles on a laboratory *** development of chemical EOR in the past few decades and the EOR policy given by the government of India has been mentioned in this *** analysis provides an idea about enhanced recovery screening and implementation of chemical EOR methods in existing fields will significantly reduce the energy crisis in India.

关键词： Chemical enhanced oil recovery Surfactant flooding Polymer flooding Indian oilfields Enhanced oil recovery challenges in India Screening criteria

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Energy Efficient Ambience Awake Routing with OpenFlow Approach

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Computers, Materials & Continua 2021年第5期67卷 2049-2059页

作者： Hima Bindu Valiveti SNV ganesh Budati Anil kumar Dileep kumar Yadav Department of ECE GRIETHyderabad500090India Department of EEE Avanthi Institute of Engineering and TechnologyVisakhapatnam535006India Department of CSE Galgotia’s UniversityNoida201310India

A major problem in networking has always been energy *** life is one parameter which could help improve Energy *** research on wireless networking stresses on reducing signaling messages or time required for data transfer for addressing energy consumption *** or Forwarding packets in a network between the network elements like routers,switches,wireless access points,etc.,is complex in conventional *** the advent of Software Defined Networking(SDN)for 5G network architectures,the distributed networking has embarked onto centralized networking,wherein the SDN Controller is responsible for decision *** controller pushes its decision onto the network elements with the help of a control plane protocol termed *** networks have been largely in use because of their ease in physical and logically setting the administrative *** centralized controller deals with the policy funding and the protocols used for routing procedures are designated by the decentralized *** Awake is a location centered routing protocol deployed in the 5G network architecture with OpenFlow *** Ambience Awake mechanism relies on the power consumption of the network elements during the packet transmission for unicast and multicast *** signalling load and the routing overhead witnessed an improvement of 30%during the routing *** proposed routing mechanism run on the top of the decentralized SDN controller proves to be 19.59%more efficient than the existing routing solutions.

关键词： Energy efficiency routing smart networks 5G software defined networking openflow

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