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Towards a sustainable geoliner construction in landflls by potential blending of fly ash with kaolin clay alternative:a review with an insight to Indian scenario

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Waste Disposal and Sustainable Energy 2024年第2期6卷 243-258页

作者： kshitij kuma. Biswajit Paul Department of Environmental Science and Engineering Indian Institute of Technology(Indian School of Mines)Dhanbad 826004JharkhandIndia

Electricity generated through coal-based Thermal Power Plants(TPPs)has played a pivotal role in shaping modern civiliza-tion,revolutionizing industries,and improving the quality of life for billions of people *** TPPs contribute to about 37%-40%of the global energy *** production,in turn,has a direct impact on the economy of any *** from this boon to humankind,these TPPs combusting coal as their primary fuel also have specific environmen-tal impacts,the major ones being water,air,and soil pollution due to unscientific disposal of high-quantity fly ash produced *** we can put this ash to good use,it may assist us in mitigating the pollution caused by *** there are many conventional uses of fly ash,such as a pozzolanic material in the cement industry,more pathways need to be discovered to balance the high generation quantities with ***,a detailed description of its use in potential geoliner applications is presented in this article.A geoliner or a landfill liner acts as a virtually impenetrable layer to mitigate the leachate penetration into the underneath subsoil and groundwater,thus preventing *** are presently some studies that support the use of only fly ash in such ***,the properties of the geoliners using it are not so good to significantly mitigate environmental degradation owing to its high permeability and low densification *** bentonite conventionally used has limited deposits and is mined intensively for its use as a natural *** depos-its must also be conserved,and an alternative material that may serve similar application benefits,like bentonite,must be *** desired aim can be fulfilled if we blend this combustion residue with other suitable materials(such as kaolinite clay)with low ***,the article focuses on the possibilities of blending fly ash with different clays for geoliner construction to improve the in

关键词： Fly ash-Geoliner Environmental management Composite liner systems Bentonite Kaolin clay

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Association of cannabis use disorder with atrial fibrillation in young men without concomitant tobacco use:Insights from nationwide propensity matched analysis

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World Journal of Experimental Medicine 2024年第3期14卷 64-71页

作者： Bhavin Patel Sumanth Khadke kshitij Mahajan Avleen Dhingra Rishika Trivedi Samrath Singh Brar Sakshi Dixit Vaibhav Periwal Shaylika Chauhan Rupak Desai Department of Internal Medicine Trinity Health Oakland HospitalPontiacMI 48341United States Lahey Hospital and Medical Center Division of Cardiovascular MedicineDepartment of MedicineBurlingtonMA 01805United States Department of Internal Medicine Trinity Health Oakland/Wayne State UniversityPontiacMI 48341United States Department of Medicine Dayanand Medical College and HospitalLudhiana 141001PunjabIndia Department of Internal Medicine DHR HealthEdinburgTX 78539United States Department of Medicine Government Medical CollegePatiala 147001PunjabIndia Department of Internal Medicine Geisinger Health SystemWikes-BarrePA 18702United States Independent Researcher Outcomes ResearchAtlantaGA 30079United States

BACKGROUND Recent data are inconclusive regarding the risk of arrhythmias among young cannabis ***,many young adults use both cannabis and tobacco,which could add a residual confounding effect on ***,we studied young men who have cannabis use disorder(CUD)excluding tobacco use disorder(TUD)to understand their independent association with atrial fibrillation(AF)and related *** To study the association of CUD with AF and related *** We used weighted discharge records from National Inpatient Sample(2019)to assess the baseline characteristics and mortality rates for AF-related hospitalizations in young(18-44 years)men in 1:1 propensity-matched CUD+vs CUD-cohorts without *** Propensity matched CUD+and CUD-cohorts consisted of 108495 young men in each *** analysis showed an increased incidence of AF in black population with *** addition,the CUD+cohort had lower rates of hyperlipidemia(6.4%vs 6.9%),hypertension(5.3%vs 6.3%),obesity(9.1%vs 10.9%),alcohol abuse(15.5%vs 16.9%),but had higher rates of anxiety(24.3%vs 18.4%)and chronic obstructive pulmonary disease(COPD)(9.8%vs 9.4%)compared to *** adjustment with covariates including other substance abuse,a non-significant association was found between CUD+cohort and AF related hospitalizations(odd ratio:1.27,95%confidence interval:0.91-1.78,P=0.15).CONCLUSION Among hospitalized young men,the CUD+cohort had a higher prevalence of anxiety and COPD,and slightly higher proportion of black *** there were higher odds of AF hospitalizations in CUD+cohort without TUD,the association was statistically *** subgroup analysis showed higher rates of AF in black ***-scale prospective studies are required to evaluate long-term effects of CUD on AF risk and prognosis without TUD and concomitant substance abuse.

关键词： Cannabis Marijuana Atrial fibrillation Tobacco use disorder Original research Smoking

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Improving milk safety at farm-level in an intensive dairy production system:relevance to smallholder dairy producers

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Food Quality and Safety 2018年第3期2卷 135-143页

作者： Habtamu Lemma D. Ashenafi Mengistu Taddese kuma.Berhanu kuma Wolaita Sodo University College of AgriculturePOB 138Ethiopia Addis Ababa University College of Veterinary Medicine and AgricultureEthiopia Ethiopian Development Research Institute Ethiopia

Objective:This paper discusses methods for improving milk safety in smallholder ***:Analyzing best practices/experiences of selected countries and Ethiopian dairy farming as a case study(household survey and milk testing).Results:The coliform count was slightly higher than European *** value of total bacterial count found was higher than the standard of bacteriological quality of *** Cell count is slightly higher than US standard,but it is in the range of the EU ***,there were other associated challenges facing dairy farmers,including shortage of feed concentrate and water,milk marketing,health of dairy stock,and manure *** better practices were also observed including literacy and dairying experience of smallholder dairy *** this,increased availability of some dairy stakeholders and their efforts would also be an added *** efforts of private veterinarians to engage in provision of drugs and on-call home-treatment for stall-fed cows were good,but this needs to be complemented with laboratory based-diagnostic/clinical and advisory services prevent ***:Improvement of milk safety can be achieved through good management practices by dairy farmers,market incentives,and increased efforts of various stakeholders and the adoption of best *** this regard,a coordinated action involving all stakeholders is needed to implement preventative/control measures,quality management strategies,and appropriate regulation while supporting and building capacity of smallholder dairy producers to minimize risks associated with milk production.

关键词： milk safety challenges prevention intensive dairy systems smallholders dairy farms.

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Application of IITM-RANS3D to free-fall water entry of prismatic and non-prismatic finite wedges

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水动力学研究与进展B辑:英文版 2023年第3期35卷 417-430页

作者： Shaswat Saincher kshitij Srivastava R.Vijayakuma. V.Sriram Center for Maritime Experiments to Maritime Experience(ME2ME) Indian Institute of Technology MadrasChennaiIndia Department of Ocean Engineering Indian Institute of Technology MadrasChennaiIndia

High-speed watercraft and ships undergo coupled motions which make the front portion of the hull exit and violently re-enter *** induces short-term slamming loads that may compromise the structural integrity of the *** slamming of the bow can be modeled as straight wedges of different deadrise angles(DRAs)falling into water from different *** advent of computational fluid dynamics has allowed the problem of wedge-slamming to be simulated using the full Navier-Stokes equations thus complementing the pioneering studies based on ***,most researchers are opting to use commercial software to simulate the wedge-impact problem as it allows access to overset meshing algorithms which are robust in modeling the wedge as a moving *** boundary methods(EBMs)offer some advantages over overset meshing in that the mesh only needs to be generated once and Cartesian mesh-based solvers can be ***,the application of EBMs to wedge-impact has been limited in the literature and merits further *** this context,we investigate the applicability of the fast-fictitious-domain(FFD)based embedded boundary treatment to simulate the violent water-entry of *** extend our in-house Navier-Stokes model IITM-RANS3D to handle floating bodies through integration of a rigid-body dynamics solver and an algorithm to embed three-dimensional stereolithography(STL)geometries as solids over a Cartesian *** proposed algorithm is extensively benchmarked against variable DRA wedge-slamming experiments reported in the literature as well as constant DRA wedge-slamming experiments performed *** good agreement is reported in terms of the time-history of hydrodynamic impact pressures measured at various locations on the hull as well as the wedge motion responses thus demonstrating the suitability of FFD for simulating the coupled hydrodynamics of slamming for simplified hull geometries.

关键词： Wedge water entry slamming fast-fictitious-domain IITM-RANS3D experiments

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UNIFORM APPROXIMATION OF ENTIRE FUNCTIONS OF SLOW GROWTH ON COMPACT SETS

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Acta Mathematica Scientia 2012年第6期32卷 2401-2410页

作者： G.S.Srivastava S.kuma Department of Mathematics Indian Institute of Technology RoorkeeRoorkee-247667India Department of Mathematics Central University of Himachal PradeshDharamshala-176215India

In the present paper, we study the polynomial approximation of entire functions of several complex variables. The characterizations of generalized order and generalized type of entire functions of slow growth are obta... 详细信息

关键词： entire function generalized order generalized type approximation errors interpolation errors

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海螺桑拿房

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城市环境设计 2024年第1期147卷 192-197页

作者：隈太一堀越圭晋 SS

本项目坐落于直岛一个小海湾的豪华露营设施“SANA MANE”的中心，是一座由有机木材建造而成的桑拿房，名为“SAZAE”（海螺）。设计中最大的挑战在于其木制结构—项目由150层数控机床加工的28毫米厚胶合板堆叠而成。实木桑拿房的平均...

本项目坐落于直岛一个小海湾的豪华露营设施“SANA MANE”的中心，是一座由有机木材建造而成的桑拿房，名为“SAZAE”（海螺）。设计中最大的挑战在于其木制结构—项目由150层数控机床加工的28毫米厚胶合板堆叠而成。实木桑拿房的平均壁厚为450毫米，从而保证了建筑的隔热保温性能。从外观上看，建筑宛如贝壳一般，表面呈现出无数细小的褶皱，在阳光的照射下投下阴影，令人印象深刻。而从室内来看，褶皱呈现出舒缓的节奏，宛如人体的曲线，带来舒适的闲坐体验。阳光从建筑顶部的天窗照射进室内，营造出冥想的氛围与宁静的体验。

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优化蒸汽驱过程的注入方案和生产策略

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世界石油科学 1996年第1期 49-57页

作者： kuma.,M 侯健

本文对加利福尼亚稠油油藏注蒸汽动态的优化方法进行娄值主估。数模结果和现场数据表明，蒸汽突破后，降低蒸汽注入速度是有益的。与恒速注入相比，线性降热方案注入的蒸汽较少，却带来高的现净采可售原油产量。

关键词：蒸汽驱注入提高采收率采油

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Genetically modified mouse models for the study of nonalcoholic fatty liver disease

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World Journal of Gastroenterology 2012年第11期18卷 1141-1153页

作者： Perumal Nagarajan M Jerald Mahesh kuma.Ramasamy Venkatesan Subeer S Majundar Ramesh C Juyal M Jerald Mahesh kuma Small Animal Facility National Institute of Immunology NewDelhi 110067 India Animal House Centre for Cellularand Molecular Biology Hyderabad 500007 India Animal House JNU New Delhi110067 India

Nonalcoholic fatty liver disease(NAFLD) is associated with obesity,insulin resistance,and type 2 *** represents a large spectrum of diseases ranging from(1) fatty liver(hepatic steatosis);(2) steatosis with inflammation and necrosis;to(3) *** animal models to study NAFLD/nonalcoholic steatohepatitis(NASH) are extremely useful,as there are still many events to be elucidated in the pathology of *** study of the established animal models has provided many clues in the pathogenesis of steatosis and steatohepatitis,but these remain incompletely *** different mouse models can be classified in two large *** first one includes genetically modified(transgenic or knockout) mice that spontaneously develop liver disease,and the second one includes mice that acquire the disease after dietary or pharmacological *** the molecular mechanism leading to the development of hepatic steatosis in the pathogenesis of NAFLD is complex,genetically modified animal models may be a key for the treatment of *** animal models for NASH should closely resemble the pathological characteristics observed in *** date,no single animal model has encompassed the full spectrum of human disease progression,but they can imitate particular characteristics of human ***,it is important that the researchers choose the appropriate animal *** review discusses various genetically modified animal models developed and used in research on NAFLD.

关键词： Nonalcoholic fatty liver disease Steatosis Steatohepatitis Knockout Animal models

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在一些新供体中水稻白叶枯病抗性基因的等位关系和遗传

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国外作物育种 1998年第4期17卷 22-24页

作者： kuma.,AR 向平

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为满足“空气洁净法”要求而改变燃用煤种对电厂的影响

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热力发电译丛 1992年第4期 28-35,59页

作者： kuma.,KS 李小江

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