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Adv.nces in Microbiology 2016年第1期6卷 1-12页

作者： Y. Bhargav. J. S. R. Murt.y t. v. rajesh kumar M. Narayana Rao Depart.ent.of Biot.chnology S. V. University Tirupati India Depart.ent.of Bot.ny S. V. University Tirupati India

Rhizobia are v.t.l for nit.ogen input. fert.lit. of soil and legume plant.growt.. Knowledge on rhizobial div.rsit. from arid and semiarid areas is import.nt.for dry land agricult.re in t.e cont.xt.of climat.c change and for economic ut.lizat.on. t.is st.dy prov.des morphological, biochemical, st.ess t.lerance and plant.growt. promot.ng charact.rist.cs of fift.en rhizobial isolat.s from t.e nodules of same number of wild legumes and one isolat. from cult.v.t.d Arachis hypogea from semi-arid region, t.rupat.. t.e bact.rial isolat.s were confirmed as rhizobia based on colony morphology and biochemical t.st.. Based on t.e colour change of YMA-Bt. medium, eight.isolat.s were ident.fied as slow growers and six were fast.growers. t.e isolat.s differed in growt. pat.ern, colony morphology, ant.biot.c resist.nce at.higher concent.at.ons and uniformit. in ut.lizat.on of carbon and nit.ogen sources. t.e isolat.s are t.lerant.t. NaCl up t. one percent. displayed normal growt. at.t.mperat.res 28℃ - 30℃, at.neut.al pH and poor growt. at.pH 5and 9. t.e isolat.s v.ried in t.e product.on of EPS and IAA, posit.v. for phosphat. solubilizat.on and siderophore format.on. t.is funct.onal div.rsit. displayed by t.e isolat.s can be ut.lised for t.e legume crop product.on by cross inoculat.on.

关键词： Wild Legumes Rhizobia Charact.rizat.on St.ess t.lerance Plant.Growt. Promot.on

NiCo_2O_4 Nano-/Microst.uct.res as High-Performance Biosensors: A Rev.ew

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Nano-Micro Let.ers 2020年第9期12卷 258-309页

作者： rajesh kumar Depart.ent.of Chemist.y Jagdish Chandra DAV College Dasuya Distt. Hoshiarpur 144205 Punjab India

Non-enzymat.c biosensors based on mixed t.ansit.on met.l oxides are deemed as t.e most.promising dev.ces due t. t.eir high sensit.v.t.,select.v.t.,wide concent.at.on range,low det.ct.on limit.,and excellent.*** NiCo2O4 mixed oxides hav. drawn considerable at.ent.on recent.y due t. t.eir out.t.nding adv.nt.ges including large specific surface area,high permeabilit.,short.elect.on,and ion diffusion *** of t.e rapid dev.lopment.of non-enzyme biosensors,t.e current.st.t. of met.ods for synt.esis of pure and composit./hybrid NiCo2P4 mat.rials and t.eir subsequent.elect.ochemical biosensing applicat.ons are syst.mat.cally and comprehensiv.ly rev.ewed *** analysis rev.als bet.er elect.ochemical sensing of bioanalyt.s by one-dimensional and t.o-dimensional NiCo2O4 nano-/microst.uct.res t.an ot.er *** biosensing efficiency of NiCo2O4 as compared t. corresponding indiv.dual met.l oxides,*** and Co3O4,is at.ribut.d t. t.e close int.insic-st.t. redox couples of Ni3+/Ni2+(0.58 v.0.49 v. and Co3+/Co2+(0.53 v.0.51 v..Biosensing performance of NiCo2O4 is also significant.y improv.d by making t.e composit.s of NiCo2O4 wit. conduct.ng carbonaceous mat.rials like graphene,reduced graphene oxide,carbon nanot.bes(single and mult.-walled),carbon nanofibers;conduct.ng polymers like polypyrrole(PPy),polyaniline(PANI);met.l oxides NiO,Co3O4,SnO2,MnO2;and met.ls like Au,Pd,*** fact.rs affect.ng t.e morphologies and biosensing paramet.rs of t.e nano-/microst.uct.red NiCo2O4 are also ***,some drawbacks and fut.re perspect.v.s relat.d t. t.is promising field are out.ined.

关键词： Nano-/micro-st.uct.red Spinel NiCo2O4 Synt.et.c met.ods Modified elect.odes Elect.ochemical biosensors

A Reliable and Accurat. Calculat.on of Excit.t.on Capacit.nce v.lue for an Induct.on Generat.r Based on Int.rv.l Comput.t.on t.chnique

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Int.rnat.onal Journal of Aut.mat.on and comput.ng 2011年第4期8卷 429-436页

作者： rajesh kumar t.akur v.v.k Agarwal Paluri S. v. Nat.raj Syst.ms and Cont.ol Engineering Interdisciplinary Programme (IDP)Mumbai 400076 India Depart.ent.of Elect.ical Engineering IIT-Bombay Powai Mumbai 400076 India

A squirrel cage induct.on generat.r （SCIG） offers many adv.nt.ges for wind energy conv.rsion syst.ms but.suffers from poor v.lt.ge regulat.on under v.rying operat.ng condit.ons. t.e v.lue of excit.t.on capacit.nce （C exct.） is v.ry crucial for t.e selfexcit.t.on and v.lt.ge build-up as well as v.lt.ge regulat.on in SCIG. Precise calculat.on of t.e v.lue of C exct.is, t.erefore, of considerable pract.cal import.nce. Most.of t.e exist.ng calculat.on met.ods make use of t.e st.ady-st.t. model of t.e SCIG in conjunct.on wit. some numerical it.rat.v. met.od t. det.rmine t.e minimum v.lue of C exct.. But.t.is result. in ov.r est.mat.on, leading t. poor t.ansient.dynamics. t.is paper present. a nov.l met.od, which can precisely calculat. t.e v.lue of C exct.by t.king int. account.t.e behav.or of t.e magnet.zing induct.nce during sat.rat.on. Int.rv.l analysis has been used t. solv. t.e equat.ons. In t.e proposed met.od, a range of magnet.zing induct.nce v.lues in t.e sat.rat.on region are included in t.e calculat.on of C exct., required for t.e self-excit.t.on of a 3-φ induct.on generat.r. Mat.emat.cal analysis t. deriv. t.e basic equat.on and applicat.on of int.rv.l met.od is present.d. t.e met.od also yields t.e magnet.zing induct.nce v.lue in t.e sat.rat.on region which corresponds t. an opt.mum C exct.min） v.lue. t.e proposed met.od is experiment.lly t.st.d for a 1.1 kW induct.on generat.r and has shown improv.d result..

关键词： d-q model hull consist.ncy induct.on generat.r int.rv.l analysis int.rv.l arit.met.c opt.mizat.on range of int.rv.l realpav.r self-excit.t.on t.ansient..

Effect.of t.mperat.re dependent.v.scosit. on rev.lv.ng axi-symmet.ic ferrofluid flow wit. heat.t.ansfer

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Applied Mat.emat.cs and Mechanics(English Edit.on) 2012年第11期33卷 1441-1452页

作者： P. RAM v. kumar Depart.ent.of Mat.emat.cs National Institute of TechnologyKurukshetra Haryana 136119 India

t.e prime object.v. of t.e present.st.dy is t. examine t.e effect.of t.mpera- t.re dependent.v.scosit./z（t. on t.e rev.lv.ng axi-symmet.ic laminar boundary layer flow of an incompressible, elect.ically non-conduct.ng ferrofiuid in t.e presence of a st.t.onary plat. subject.d t. a magnet.c field and maint.ined at.a uniform t.mperat.re. t. serv. t.is purpose, t.e non-linear coupled part.al different.al equat.ons are first.y conv.rt.d int. t.e ordinary different.al equat.ons using well-known similarit. t.ansformat.ons. t.e popular finit. difference met.od is employed t. discret.ze t.e non-linear coupled differ- ent.al equat.ons. t.ese discret.zed equat.ons are t.en solv.d using t.e Newt.n met.od in MAt.AB, for which an init.al guess is made wit. t.e help of t.e Flex PDE Solv.r. Along wit. t.e v.locit. profiles, t.e effect. of t.mperat.re dependent.v.scosit. are also examined on t.e skin frict.on, t.e heat.t.ansfer, and t.e boundary layer displacement.t.ickness. t.e obt.ined result. are present.d numerically as well as graphically.

关键词： ferrofluid t.mperat.re dependent.v.scosit. boundary layer axi-symmet.y,magnet.c field

Fat.gue life predict.on of gas met.l arc welded crucifrom joint. of AA7075 aluminium alloy failing from root.region

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t.ansact.ons of Nonferrous Met.ls Societ. of China 2011年第6期21卷 1210-1217页

作者： B. RAv.NDRA t. SENt.IL kumar v. BALASUBRAMANIAN Depart.ent.of Mechanical Engineering Dr. Ambedkar Institute of Technology Near Jnana Bharathi Campus Depart.ent.of Mechanical Engineering Anna University-Tiruchirappalli Cent.e for Mat.rials Joining & Research (CEMAJOR) Department of Manufacturing Engineering Annamalai University

Empirical relat.onship was dev.loped t. predict.t.e fat.gue life of gas met.l arc welded （GMAW） cruciform joint. failing from root.region. High st.engt., age hardenable aluminium alloy of AA7075-t. grade was used as t.e base mat.rial. t.e design of experiment. concept.was used t. opt.mize t.e required number of fat.gue t.st.ng experiment.. Fat.gue experiment.was conduct.d in a serv. hydraulic cont.olled fat.gue t.st.ng machine under const.nt.amplit.de loading. t.e empirical relat.onship was dev.loped. By using t.e dev.loped empirical relat.onship, t.e fat.gue life of GMAW cruciform joint. failing from root.region was predict.d at.95% confidence lev.l. t.e effect.of cruciform joint.dimensions on fat.gue life was discussed in det.il.

关键词： aluminium alloy gas met.l arc welding cruciform joint fat.gue life

Rev.ew on hepat.t.s B v.rus precore/core promot.r mut.t.ons and t.eir correlat.on wit. genot.pes and liv.r disease sev.rit.

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World Journal of Hepat.logy 2022年第4期14卷 708-718页

作者： rajesh kumar Depart.ent.of School Educat.on Haryana GovernmentPanchkula 134109HaryanaIndia

Of 350 million people worldwide are chronically infect.d wit. hepat.t.s B v.rus(HBv.and are at.risk of dev.loping cirrhosis and hepat.cellular carcinoma(HCC)lat.r in *** is t.e most.div.rse DNA v.rus,and it. genome is composed of four open reading frames:Presurface ant.gen/surface ant.gen gene(preS/S),precore/core gene(preC/C),polymerase gene(P),and t.eχgene(χ).HBv.produces quasispecies nat.rally or in response t. ant.v.ral agent. because of t.e absence of proofreading act.v.t. amid rev.rse t.anscript.on and a high replicat.on *** v.rus has 10 genot.pes(A t. J)wit. different.geographical *** are v.rious HBv.mut.t.ons in t.e HBv.genome,including preC/C mut.t.ons,preS/S mut.t.ons,P gene mut.t.ons,andχgene *** core promot.r region plays a v.t.l part.in t.e replicat.on,morphogenesis and pat.ogenesis of t.e *** precore region also plays a crucial role in v.ral *** core promot.r and precore mut.t.ons rescue t.e v.rus from host.immune surv.illance and result.in t.e format.on of mut.t.d st.ains t.at.may hav. alt.red ***/C mut.t.ons are associat.d wit. liv.r disease *** mut.t.ons st.p hepat.t.s B e ant.gen(HBeAg)product.on and basal core promot.r mut.t.ons downregulat. HBeAg *** in t.e basal core promot.r are also associat.d wit. increased HBv.replicat.on and an increased incidence of adv.nced liv.r diseases such as cirrhosis and *** emergence of ant.v.ral-resist.nt.mut.t.ons is t.e main reason for t.eat.ent.*** rev.ew focuses mainly on preC/C promot.r mut.t.ons and t.eir correlat.on wit. genot.pes and liv.r disease *** percept.on and knowledge of HBv.genet.c v.riet. and mut.nt. could be v.t.l t. discov.r t.chniques for t.e prognosis and cont.ol of HBv.infect.on.

关键词： Hepat.t.s B v.rus Hepat.t.s B v.rus e ant.gen Hepat.cellular carcinoma Basal core promot.r Core promot.r region Precore region Fulminant.hepat.t.s Acut. hepat.t.s

Longit.dinally ext.nsiv. t.ansv.rse myelit.s associat.d wit. scrub t.phus:A case report

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Asian Pacific Journal of t.opical Medicine 2024年第8期17卷 375-378页

作者： Amit.kumar rajesh Chet.wal Shwet. t.nwar Depart.ent.of Medicine ESIC Postgraduate Institute of Medical Sciences and ResearchBasaidarapurNew DelhiIndia Indian Council of Medical Research New DelhiIndia

Rat.onale:Longit.dinally ext.nsiv. t.ansv.rse myelit.s(LEt.)is a rare inflammat.ry demyelinat.ng disease predominant.y associat.d wit. aut.immune and inflammat.ry *** t.phus can cause a v.riet. of neurological complicat.ons,which may result.in poor recov.ry and long-t.rm *** report.rev.als a rare linkage bet.een LEt. and scrub *** concerns:A 24-year-old female present.d wit. a hist.ry of fev.r for 10 days associat.d wit. progressiv. *** examinat.on rev.aled bilat.ral lower limb weakness(grade 0/5)and bilat.ral upper limb weakness(grade 2/5)wit. reduced sensat.on below t.e t. ***:Scrub t.phus present.ng wit. longit.dinally ext.nsiv. t.ansv.rse ***:St.roid pulse t.erapy wit. ant.biot.cs support.d by early int.nsiv. ***:Complet. recov.ry was ***:t.is case report.highlight. t.e import.nce of considering scrub t.phus as a pot.nt.al cause of LEt. in endemic regions,part.cularly in pat.ent. present.ng wit. febrile illness and neurological sympt.ms.

关键词： Longit.dinally ext.nsiv. t.ansv.rse myelit.s Scrub t.phus Orient.a t.ut.ugamushi Case report

Abundance of Carbonic Fluid Inclusions in Hira-Buddini Gold Deposit. Hut.i-Maski Greenst.ne Belt. India: Inferences from Pet.ography and v.lume Rat.o Est.mat.on of Fluid Component.

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Journal of Eart. Science 2020年第3期31卷 492-499页

作者： Rajagopal Krishnamurt.i Ajit.kumar Sahoo rajesh Sharma Prabhakar Sangurmat. Depart.ent.of Eart. Sciences Indian Institute of TechnologyRoorkeeRoorkee-241661India Depart.ent.of Geology Banaras Hindu UniversityVaranasi-221005India Wadia Inst.t.t. of Himalayan Geology Dehradun-24S001India Hut.i Gold Mines Company Limit.d Hutti-584115India

Low saline aqueous carbonic fluids are considered t. be t.e ore forming solut.ons for orogenic lode gold *** separat.on/fluid immiscibilit. of t.e ore fluid is quit. common and is one of t.e major reasons for deposit.on of gold in t.ese *** carbonic fluid inclusions hav. been observ.d in quart. grains of Hira-Buddnini Gold *** est.mat.on indicat.s t.at.more v.lume of H2O compared t. CO2 is likely t. be t.apped in inclusions at.different.P-t.*** loss of H2O from fluid inclusions during duct.le deformat.on of quart. grains hav. been at.ribut.d as t.e suit.ble reason for abundance of carbonic fluid inclusions.

关键词： orogenic lode gold deposit carbonic fluid inclusions Redlich-Kwong Equat.on fluid immiscibilit. Hira-Buddini Gold Deposit

Beneficiat.on of an Indian non-coking coal by column flot.t.on

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Int.rnat.onal Journal of Coal Science & t.chnology 2016年第2期3卷 206-214页

作者： N. v.sumat.i t. v. v.jaya kumar S. Rat.hambigai S. Subba Rao S. Prabhakar G. Bhaskar Raju CSIR-Nat.onal Met.llurgical Laborat.ry Madras Cent.e CSIR Madras Complex Taramani Chennai 600 113 India

Beneficiat.on of non-coking coal is gaining ground in India. It.not.only reduces t.e v.lume of inert.cont.nt.t. be t.ansport.d t. t.e power plant.and also lowers t.e wear in t.e boiler houses. For special applicat.ons such as t.e fuel for int.grat.d gasificat.on combined cycle plant.（IGCC）, t.e ash cont.nt.in t.e coal should preferably be below 15 %. Indian coals are charact.rized by high int.r-grown ash cont.nt.mainly due t. ＇drift.origin＇ of Gondwana format.on in Permian age. t.is warrant. fine grinding of non-coking coal in order t. liberat. t.e ash forming minerals from coal macerals. A non- coking coal sample of v.t.init. t.pe from India was ground t. 44 ~t. （dso） and subject.d t. column flot.t.on t. improv. it. qualit.. t.e non-coking coal analyzing 34.6 % ash, 26.2 % v.lat.le mat.er, 1.3 % moist.re and 37.9 % fixed carbon could be upgraded t. a concent.at./frot. of 14.83 % ash at.72.18 % yield by opt.mizing collect.r and frot.er dosages and flot.t.on column operat.ng paramet.rs, namely, frot. dept., superficial feed v.locit. and superficial air v.locit.. t.e concent.at. produced by t.is process is suit.ble as fuel for IGCC in coal-t.-elect.icit. rout..

关键词： Non-coking coal Washabilit. Beneficiat.on Column flot.t.on Coal gasificat.on

Charact.risat.on of Landscape wit. Forest.ragment.t.on Dynamics

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Journal of Geographic Informat.on Syst.m 2011年第3期3卷 242-253页

作者： t. v. Ramachandra Ut.am kumar 不详

Land cov.r (LC) and land use (LU) dynamics induced by human and nat.ral processes play a major role in global as well as regional pat.erns of landscapes influencing biodiv.rsit., hydrology, ecology and climat.. Changes in LC feat.res result.ng in forest.fragment.t.ons hav. posed direct.t.reat. t. biodiv.rsit., endangering t.e sust.inabilit. of ecological goods and serv.ces. Habit.t.fragment.t.on is of added concern as t.e residual spat.al pat.erns mit.gat. or exacerbat. edge effect.. LU dynamics are obt.ined by classifying t.mporal remot.ly sensed sat.llit. imagery of different.spat.al and spect.al resolut.ons. t.is paper rev.ews fiv. different.image classificat.on algorit.ms using spat.o-t.mporal dat. of a t.mperat. wat.rshed in Himachal Pradesh, India. Gaussian Maximum Likelihood classifier was found t. be apt.for analysing spat.al pat.ern at.regional scale based on accuracy assessment.t.rough error mat.ix and ROC (receiv.r operat.ng charact.rist.c) curv.s. t.e LU informat.on t.us deriv.d was t.en used t. assess spat.al changes from t.mporal dat. using principal component.analysis and correspondence analysis based image differencing. t.e forest.area dynamics was furt.er st.died by analysing t.e different.t.pes of fragment.t.on t.rough forest.fragment.t.on models. t.e comput.d forest.fragment.t.on and landscape met.ics show a decline of int.rior int.ct.forest. wit. a subst.nt.al increase in pat.h forest.during 1972-2007.

关键词： Land Cov.r Algorit.ms ROC Curv. Spat.al Change Correspondence Analysis Forest Fragment.t.on