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196篇 您的检索式:作者名="Boopathy"
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1Effect of tool pin profile on microstructure and tensile properties of friction stir welded dissimilar AA 6061e AA 5086 aluminium alloy joints显示文摘Joints between two different grades of aluminium alloys are need of the hour in many light weight military structures.In this investigation,an attempt has been made to join the heat treatable(AA 6061) and non-heat treatable(AA 5086) aluminium alloys by friction stir welding(FSW)process using three different tool pin profiles like straight cylindrical,taper cylindrical and threaded cylindrical.The microstructures of various regions were observed and analyzed by means of optical and scanning electron microscope.The tensile properties and microhardness were evaluated for the welded joint.From this investigation it is founded that the use of threaded pin profile of tool contributes to better flow of materials between two alloys and the generation of defect free stir zone.It also resulted in higher hardness values of 83 HV in the stir zone and higher tensile strength of 169 MPa compared to other two profiles.The increase in hardness is attributed to the formation of fine grains and intermetallics in the stir zone,and in addition,the reduced size of weaker regions,such as TMAZ and HAZ regions,results in higher tensile properties.M.ILANGOVAN S.RAJENDRA BOOPATHY V.BALASUBRAMANIAN 2015Defence Technology(防务技术)2015,11,2:12
2Exposure to polycyclic aromatic hydrocarbons with special focus on cancer显示文摘Polycyclie aromatic hydrocarbons(PAHs) are a group of compounds consisting of two or more fused aromatic rings.Most of them are formed during incomplete combustion of organic materials such as wood and fossil fuels,petroleum products,and coal.The composition of PAH mixtures varies with the source and is also affected by selective weathering effects in the environment.PAHs are ubiquitous pollutants frequently found in a variety of environments such as fresh water and marine sediments,the atmosphere,and ice.Due to their widespread distribution,the environmental pollution due to PAHs has aroused global concern.Many PAHs and their epoxides are highly toxic,mutagenic and/or carcinogenic to microorganisms as well as to higher forms of life including humans.The main aim of this review is to provide contemporary information on PAH sources,route of exposure,worldwide emission rate,and adverse effects on humans,especially with reference to cancer.Thamaraiselvan Rengarajan Peramaiyan Rajendran Natarajan Nandakumar Boopathy Lokeshkumar Palaniswami Rajendran Ikuo Nishigaki 2015Asian Pacific Journal of Tropical Biomedicine2015,5,3:6
3搅拌摩擦焊异种AA6061-AA5086铝合金接头的显微组织与力学性能(英文)显示文摘在熔焊异种可热处理强化和不可热处理强化铝合金过程中,面临许多与凝固相关的问题。采用搅拌摩擦焊接可以解决这些问题,从而可以综合利用两种铝合金的优异性能。研究搅拌摩擦焊同种和异种AA6061和AA5086焊接接头的显微组织和拉伸性能。采用光学显微镜和扫描电子显微镜观察分析不同区域的显微组织,测量焊接接头不同部位的显微硬度,评价焊接接头的拉伸性能,并研究其与显微组织和显微硬度之间的关联。研究发现,异种焊接接头的最大维氏硬度为HV 115,焊接效率为56%。这主要是由于获得无缺陷的搅拌区和晶粒增强作用。M.ILANGOVAN S.RAJENDRA BOOPATHY V.BALASUBRAMANIAN 2015Transactions of Nonferrous Metals Society of China2015,25,4:6
4AZ61A镁合金搅拌摩擦焊接头在NaCl溶液中的腐蚀行为(英文)显示文摘对6mm厚的挤压态AZ61A镁合金板进行搅拌摩擦对接焊。采用浸泡试验研究焊接接头在NaCl溶液中的腐蚀行为,建立了一个经验公式来预测在不同的溶液pH值、浸泡时间和氯离子浓度下的接头腐蚀速率。该经验公式的可信度水平为95%。采用3因素、5水平的中央复合旋转设计方法来减少实验工作量。采用响应面方法来构建方程。结果表明,在碱性溶液中AZ61A镁合金接头的腐蚀速率要比其在酸性或中性溶液中的低,而且腐蚀速率随着氯离子浓度的降低和浸泡时间的延长而减少。β相的分布对其腐蚀形貌有重要影响。A.DHANAPAL S.RAJENDRA BOOPATHY V.BALASUBRAMANIAN 2012Transactions of Nonferrous Metals Society of China2012,22,4:3
5Comparative evaluation of microscopy,OptiMAL® and 18S rRNA gene based multiplex PCR for detection of Plasmodium falciparum & Plasmodium vivax from field isolates of Bikaner,India显示文摘Objective:To evaluate microscopy,OptiMAL? and multiplex PCR for the identification of Plasmodium falciparum(P.falciparum) and Plasmodium vivax(P.vivax) from the field isolates of Bikaner,Rajasthan(Northwest India).Methods:In this study,a multiplex PCR(P.falciparum and P.vivax) was further developed with the incorporation of Plasmodium malariae(P.malariae) specific primer and also a positive control.The performance of microscopy,plasmodium lactate dehydrogenase(pLDH) based malaria rapid diagnostic test OptiMAL? and 18S rRNA gene based multiplex PCR for the diagnosis of P.falciparum and P.vivax was compared.Results:The three species multiplex PCR if.falciparum,P.vivax and P.malariae) with an inbuilt positive control was developed and evaluated.In comparison with multiplex PCR,which showed the sensitivity and specificity of 99.36%(95%CI,98.11%-100.00%) and 100.00%(95%CI,100.00%-100.00%),the sensitivity and specificity of microscopy was 90.44%(95%CI,88.849-95.04%) and 99.22%(95% CI,97.71%-100.00%),and OptiMAL? was 93.58%(95%CI,89.75%-97.42%) and 97.69%(95%CI, 95.10%-100.00%).The efficiencies were 99.65%,95.10%and 95.45%for multiplex PCK.microscopy and OptiMAL?.respectively.Conclusions:Our results raise concerns over the overall sensitivities of microscopy and OptiMAL?,when compared to the multiplex PCR and thus stress the need for new molecular interventions in the accurate detection of the malarial parasites.This further highlights the fact that further developments are needed to improve the performance of rapid diagnostic tests at field level.Deepak Pakalapati Shilpi Garg Sheetal Middha Abhishek Kochar Amit Kumar Subudhi Boopathi Pon Arunachalam Sanjay Kumar Kochar Vishal Saxena Pareek RP Jyoti Acharya Dhanpat Kumar Kochar Ashis Das 2013Asian Pacific Journal of Tropical Medicine2013,6,5:3
6Immunity:研究开发出最优的HIV疫苗递送模式显示文摘HIV已不再占据头条新闻。这主要是因为抗逆转录病毒药物的成功开发已将HIV病毒感染导致的艾滋病(AIDS)转化为一种慢性的可控制的疾病。然而。当前在全世界大约0.367亿名HIV感染者中,仅约一半的人能够获得控制这种病毒所需的药物。与此同时。新的HIV感染率持续保持在非常高的水平,这突出强调了需要开发一种预防性疫苗。然而,几十年来。Matthias Pauthner Colin Havenar-Daughton Devin Sok Joseph P. Nkolola Raiza Bastidas Archana V. Boopathy Diane G. Carnathan Abishek Chandrashekar Kimberly M. Cirelli Christopher A. Cottrell Alexey M. Eroshkin Javier Guenaga Kirti Kaushik Daniel W. Kulp Jinyan Liu Laura E. McCoy Aaron L. Oom Gabriel Ozorowski Kai W. Post Shailendra K. Sharma Jon M. Steichen Steven W. de Taeye Talar Tokatlian Alba Torrents de la Peña Salvatore T. Butera Celia C. LaBranche David C. Montefiori Guido Silvestri Ian A. Wilson Darrell J. Irvine Rogier W. Sanders William R. Schief Andrew B. Ward Richard T. Wyatt Dan H. Barouch Shane Crotty Dennis R. Burton 2017现代生物医学进展2017,17,27:2
7Revealing natural antisense transcripts from Plasmodium vivax isolates: evidence of genome regulation in complicated malaria显示文摘Boopathi PA Subudhi AK Garg S 2013Infect Genet Evol2013,20,:1
8Sur{actant-enhanced bioremediation of soil contaminated with 2,4,6-trinitrotoluene in soil slurry re- actors显示文摘Boopathy R Manning J 1999Water Environment Research1999,71,1:1
9Pelletization of biomass in a hybrid anaerobic baffled reactor (HABR) treating acidified waste-water显示文摘Boopathy R Tilche A 1992Bioresource Technol1992,40,2:1
10Modeling and analysis of roundness error in friction drilling of aluminum silicon carbide metal matrix composite显示文摘G Somasundaram S Rajendra Boopathy K Palanikumar 2011Journal of Composite Materials2011,46,2:1
11Factors limiting bioremediation technologies显示文摘Boopathy R 2000Bioresource Technology2000,74,1:1
12Dual delivery of hepatocyte and vascular endothelial growth factors via a protease-degradable hydrogel improves cardiac function in rats显示文摘Salimath AS Phelps EA Boopathy AV 2012PLoS One2012,7,50:1
13Multifunc- tional human transcriptional coactivato-r protein PC4 is a substrate of Aurora kinases and activates the Aurora en- zymes显示文摘Dhanasekaran K Kumari S Boopathi R 2016FEBS J2016,283,6:1
14Biological treatment of swine waste using an- aerobic baffled reactors 显示文摘Boopathy R 1998Bioresource Technology1998,64,:1
15A Sensor for Acetaminophen in a Blood Medium Using a Cu ( Ⅱ )-conducting Polymer Complex Modified Electrode 显示文摘Boopathi M Won M S Shim Y B 2004Anal Chim Acta2004,12,2:1
16Synthesis and char- acterization of metal ion imprinted nano-porous polymer for the selective recognition of copper 显示文摘Anuradha Baghel M Boopathi Beer Singh Pratibha Pandey T H Mahato P K Sekhar 2007Biosensors and Bioelectronics2007,22,12:1
17Use of trinitrobenzene as a nitrogen source by Pseudomonas vesicularis isolated from soil显示文摘 Boopathy R 1997Curr Microbiol1997,34,3:1
18Use of anaerobic soil slurry reactors for the removal of petroleum hydrocarbons in soil显示文摘Boopathy R 2003International Biodeterioration & Biodegradation2003,52,:1
19Preparation, characterizations and its application of heterogeneous Fenton catalyst for the treatment of synthetic phenol solution显示文摘Karthikeyan S Boopathy R Gupta V K 2013Journal of Molecular Liquids2013,177,:1
20Surfactant-enhanced bioremediation of soil contaminated with 2,4,6-trinitrotoluene in soil slurry reactors显示文摘Boopathy R Manning J 1999 1999Water Environ Res1999,71,1:1
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