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Impa.t of ma.grove vegeta.ion on sea.ona. ca.bon buria. a.d other sediment cha.a.teristics in the Vella.-Coleroon estua.y, India

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Journa. of Forestry Resea.ch 2014年第4期25卷 787-794页

作者： kandasamy Ka.hiresa. Venugopa. Goma.hi Ra. a.bura. kandasamy Sa.a.a.a.uma. Centre of a.va.ced Study in Ma.ine Biology Faculty of Marine Sciences Annamalai University Parangipettai 608 502 India

This work qua.tified the tota. ca.bon a.d 12 other sediment cha.a.teristics a. 10 soil depths, in pla.ted a.d or na.ura. ma.grove forests in compa.ison with non-vegeta.ed soil for four sea.ons of the yea. 2009-2010 in the Vella.-Coleroon estua.ine complex, India. The sedi- ment cha.a.teristics va.ied significa.tly between ma.grove-vegeta.ed a.d non-vegeta.ed ha.ita.s or sea.ons of a.a.ysis, but not between soil depths. The ma.grove sediments were rich in tota. ca.bon a.d tota. or- ga.ic ca.bon a. compa.ed to non-ma.grove sediments （p 〈0.01）. Tota. ca.bon wa. 98.2% higher in ma.ure ma.groves a.d 41.8% in pla.ted ma.groves tha. tha. in non-ma.grove soil. Tota. orga.ic ca.bon wa. a. much a. 2.5 times grea.er in ma.ure ma.groves a.d 2 times grea.er in pla.ted ma.groves tha. tha. in unvegeta.ed soil. Ca.bon contents a.so va.ied ma.y fold by sea.on. Tota. ca.bon content wa. 8.6 times grea.er during pre-monsoon, 4.1 times grea.er during post-monsoon a.d 2.5 times grea.er during monsoon tha. during summer （P〈0.01 in a.l ca.es）. Simila.ly, tota. orga.ic ca.bon wa. 5.9 times grea.er during pre-monsoon, 3.1 times grea.er during post-monsoon a.d 69% grea.er during monsoon tha. during summer. In genera., higher levels of sediment ca.bon were recorded during pre a.d post-monsoon sea.ons tha. during other sea.ons. Tota. ca.bon concentra.ion wa. correla.ed nega.ively to tempera.ure, sa.d a.d phosphorus （P 〈0.01）; positively correla.ed with redox potentia., silt, cla., C/N ra.io, pota.sium （P 〈0.01） a.d nitrogen （P〈0.05）; but not correla.ed with soil depth, pH or sa.inity. This work revea.ed tha. the ca.bon buria. wa. ra.id a. the a.nua. ra.e of 2.8% for tota. ca.bon, a.d 6.7% for tota. orga.ic ca.bon in ma.grove-pla.ted sediment. Clea.ing of ma.groves ca. result in significa.tly a.d ra.idly reduced ca.bon *** study highlights the importa.ce of na.ura. a.d pla.ta.ion ma.grove sta.ds for conserving sediment ca.bon in the tropica. coa.ta. doma.n.

关键词： ma.grove sediment ca.bon buria. tota. ca.bon tota. orga.icca.bon

Dechlorina.ion of chlorophenols by zero va.ent iron impregna.ed silica

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Journa. of Environmenta. Sciences 2012年第4期24卷 765-773页

作者： Pra.eena.Juliya.Dora.hiy Pa.a.ivelu kandasamy Centre for Environmenta. Studies Anna UniversityChennai 600025India

La.ora.ory studies were conducted to find out the effica.y of uniquely prepa.ed zero va.ent iron impregna.ed silica.in tra.sforming xenobiotic chlorophenols na.ely 4-chlorophenol, 2,4-dichlorophenol a.d 2,4,6-trichlorophenol. Continuous mode column experiments were performed to investiga.e the tra.sforma.ion of chlorophenols by va.ying pH, column height, flow ra.e a.d initia. chlorophenol concentra.ion. Reusa.ility study of the zero va.ent iron impregna.ed silica.wa. studied a. well a. the morphologica. cha.ges a.d the chemica. composition of the ca.a.yst medium were a.so investiga.ed. Dechlorina.ion kinetic studies were conducted a.d the order of dechlorina.ion of chlorophenols wa. found to be 2,4,6-trichlorophenol 〉 2,4-dichlorophenol 〉 4-chlorophenol. The optimum pH, column height a.d flow ra.e were found to be 7, 20 cm a.d 0.75 L/hr respectively for a.l chlorophenols in the rea.tion dura.ion of 4 hr. Intermedia.es formed during dechlorina.ion study were identified by ga. chroma.ogra.hy-ma.s spectroscopy a.a.ysis. This method wa. a.plied to rea. pulp a.d pa.er wa.tewa.er a.d wa. found sa.isfa.tory.

关键词： zero va.ent iron silica chlorophenols dechlorina.ion

Lie group a.a.ysis for the effect of tempera.ure-dependent fluid viscosity a.d thermophoresis pa.ticle deposition on free convective hea. a.d ma.s tra.sfer under va.ia.le strea. conditions

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a.plied Ma.hema.ics a.d Mecha.ics(English Edition) 2010年第3期31卷 317-328页

作者： Ra.a.a.y kandasamy Ismoen MUHa.MIN Fa.ulty of Science Arts and HeritageUniversiti Tun Hussein Onn Malaysia

This pa.er exa.ines a.stea.y two-dimensiona. flow of incompressible fluid over a.vertica. stretching sheet. The fluid viscosity is a.sumed to va.y a. a.linea. function of tempera.ure. a.sca.ing group of tra.sforma.ions is a.plied to the governing equa. tions. The system rema.ns inva.ia.t due to some rela.ions a.ong the tra.sforma.ion pa.a.eters. a.ter finding three a.solute inva.ia.ts, a.third-order ordina.y differentia. equa.ion corresponding to the momentum equa.ion a.d two second-order ordina.y differentia. equa.ions corresponding to energy a.d diffusion equa.ions a.e derived. The equa.ions a.ong with the bounda.y conditions a.e solved numerica.ly. It is found tha. the decrea.e in the tempera.ure-dependent fluid viscosity ma.es the velocity decrea.e with the increa.ing dista.ce of the stretching sheet. a. a.pa.ticula. point of the sheet, the fluid velocity decrea.es but the tempera.ure increa.es with the decrea.ing viscosity. The impa.t of the thermophoresis pa.ticle deposition pla.s a. importa.t role in the concentra.ion bounda.y la.er. The obta.ned results a.e presented gra.hica.ly a.d discussed.

关键词： Lie group a.a.ysis tempera.ure-dependent fluid viscosity therma. ra.ia.ion thermophoresis pa.ticle deposition

Q-Lea.ning-Ba.ed Pesticide Conta.ina.ion Prediction in Vegeta.les a.d Fruits

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Computer Systems Science & Engineering 2023年第4期45卷 715-736页

作者： kandasamy Sella.uthu Vishnu Kuma. Ka.ia.pa. Depa.tment of Computer Science a.d Engineering KPR Institute of Engineering and TechnologyCoimbatore641407Tamil NaduIndia

Pesticides ha.e become more necessa.y in modern a.ricultura. ***,these pesticides ha.e a. unforeseea.le long-term impa.t on people's wellbeing a. well a. the *** to a.shorta.e of ba.ic pesticide exposure a.a.eness,fa.mers typica.ly utilize pesticides extremely close to *** residues within foods,pa.ticula.ly fruits a. well a. veggies,a.e a.significa.t issue a.ong fa.mers,mercha.ts,a.d pa.ticula.ly *** residua. concentra.ions were fa. lower tha. these ma.ima. a.lowa.le limits,with only a.few surpa.sing the restrictions for such pesticides in *** is a. obliga.ion to provide a.wa.ning a.out this a.ount of pesticide use in *** technologies fa.led to foreca.t the la.ge number of pesticides tha. were da.gerous to people,necessita.ing the development of improved detection a.d ea.ly wa.ning systems.a.novel methodology for verifying the sta.us a.d eva.ua.ing the level of pesticides in regula.ly consumed veggies a. well a. fruits ha. been identified,na.ed a. the Hybrid Chronic Multi-Residua. Fra.ework(HCMF),in which the ha.mful level of used pesticide residues ha. been predicted for conta.ina.ion in a.ro products using Q-Lea.ning ba.ed Recurrent Neura. Network a.d the predicted conta.ina.ion levels ha.e been a.a.yzed using Complex Event Processing(CEP)by processing given spa.ia. a.d sequentia. *** a.a.ysis results a.e used to minimize a.d effectively use pesticides in the a.ricultura. field a.d a.so ensure the sa.ety of fa.mers a.d ***,the technique is ca.ried out in a.Python environment,with the results showing tha. the proposed model ha. a.98.57%a.cura.y a.d a.tra.ning loss of 0.30.

关键词： Pesticide conta.ina.ion complex event processing recurrent neura. network Q lea.ning multi residua. level a.d conta.ina.ion level

Neuropla.ticity, limbic neurobla.tosis a.d neuro-regenera.ive disorders

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Neura. Regenera.ion Resea.ch 2018年第8期13卷 1322-1326页

作者： Ma.esh kandasamy Ludwig a.gner La.ora.ory of Stem Cells a.d Neuroregenera.ion Department of Animal Science School of Life Sciences Bharathidasan University Fa.ulty Recha.ge Progra.me University Grants Commission (UGC-FRP) Institute of Molecula. Regenera.ive Medicine Salzburg Paracelsus Medical University Spina. Cord Injury a.d Tissue Regenera.ion Center Salzburg Paracelsus Medical University

The bra.n is a.dyna.ic orga. of the biologica. rena.ssa.ce due to the existence of neuropla.ticity. a.ult neurogenesis a.ides by every a.pect of neuropla.ticity in the inta.t bra.n a.d contributes to neura. regenera.ion in response to bra.n disea.es a.d injury. The occurrence of a.ult neurogenesis ha. unequivoca.ly been witnessed in huma. subjects, experimenta. a.d wildlife resea.ch including rodents, ba.s a.d ceta.ea.s. a.ult neurogenesis is a.complex cellula. process, in which genera.ion of neurobla.ts na.ely, neurobla.tosis a.pea.s to be a. integra. process tha. occur in the limbic system a.d ba.a. ga.glia.in a.dition to the ca.onica. neurogenic niches. Neurobla.tosis ca. be regula.ed by va.ious fa.tors a.d contributes to different functions of the bra.n. The cha.a.teristics a.d fa.e of neurobla.ts ha.e been found to be different a.ong ma.ma.s rega.dless of their cognitive functions. Recently, regula.ion of neurobla.tosis ha. been proposed for the sensorimotor interfa.e a.d regenera.ive neuropla.ticity of the a.ult bra.n. Hence, the understa.ding of a.ult neurogenesis a. the functiona. level of neurobla.ts requires a.grea. scientific a.tention. Therefore, this mini-review provides a.glimpse into the conceptua. development of neuropla.ticity, discusses the possible role of different types of neurobla.ts a.d signifies neuroregenera.ive fa.lure a. a.potentia. ca.se of dementia.

关键词： neuropla.ticity a.ult neurogenesis neurobla.ts rea.tive neurobla.tosis hippoca.pus ultra.ound neuroregenera.ive disorders neotrophy echoloca.ion

Efficient Single-Sta.e Bridgeless a. to DC Converter Using Grey Wolf Optimiza.ion

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Computer Systems Science & Engineering 2022年第11期43卷 487-499页

作者： Prema.kandasamy K.Prem Kuma. Depa.tment of Electrica. a.d Electronics Engineering Thangavelu Engineering CollegeChennai-600097India Depa.tment of Electrica. a.d Electronics Engineering Rajalakshmi Engineering CollegeChennai-602105India

Bridgeless single-sta.e converters a.e used for efficient(a.terna.ive current)a.-(direct current)DC *** converters control genera.ors,likeelectroma.netic meso-a.d micro-sca.e genera.ors with low *** fa.torcorrection helps increa.e the fa.tor of the power *** ma.n a.va.ta.e ofthe power fa.tor is it sha.es the input current for increa.ing the rea. power of thea. *** this pa.er,a.two-switch bridgeless rectifier topology is designedwith a.power fa.tor correction *** the proposed converter topologyto ha.e good power qua.ity pa.a.eters,the closed loop scheme,which uses thegrey wolf optimiza.ion(GWO)a.gorithm,is *** successes ofGWO encoura.e this resea.ch to implement GWO in the *** performa.ceof the proposed topology is a.a.yzed under different loa. *** is ca.ried out using the Ma.La./Simulink environment,a.d theresults a.e compa.ed with those of conventiona.(proportiona. integra. deriva.ive)PID a.d(pa.ticle swa.m optimiza.ion)PSO *** va.ida.e the simula.ion results,a.350-W ha.dwa.e prototype is implemented,a.d the volta.e ripple,efficiency,a.d power fa.tor under different loa. conditions a.e a.a.yzed a.d *** compa.a.ive study clea.ly indica.es tha. the proposed convertertopology with a.closed loop control scheme using the GWO a.gorithm improves the power fa.tor to 0.9732 a.d reduces the volta.e ripple to 0.12%with a.conversion efficiency of 98.25%.

关键词： Bridgeless a. converter DC converter GWO controller power fa.tor

Effects of hea. a.d ma.s tra.sfer on nonlinea. MHD bounda.y la.er flow over a.shrinking sheet in the presence of suction

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a.plied Ma.hema.ics a.d Mecha.ics(English Edition) 2008年第10期29卷 1309-1317页

作者： Muha.min R. kandasamy a.me B. Kha.is Centre for Science Studies University Tun Hussein Onn Malaysia 86400 Parit Raja Batu Pahat Johor Malaysia

This work is concerned with Ma.netohydrodyna.ic viscous flow due to a.shrinking sheet in the presence of suction. The ca.es of two dimensiona. a.d a.isymmetric shrinking a.e discussed. The governing bounda.y la.er equa.ions a.e written into a.dimensionless form by simila.ity tra.sforma.ions. The tra.sformed coupled nonlinea. ordina.y differentia. equa.ions a.e numerica.ly solved by using a. a.va.ced numeric technique. Fa.ora.ility compa.isons with previously published work a.e presented. Numerica. results for the dimensionless velocity, tempera.ure a.d concentra.ion profiles a. well a. for the skin friction, hea. a.d ma.s tra.sfer a.d deposition ra.e a.e obta.ned a.d displa.ed gra.hica.ly for pertinent pa.a.eters to show interesting a.pects of the solution.

关键词： shrinking sheet suction a. the surfa.e Runge Kutta.Gill method ma.netic effect

Ca.bon na.otubes on unstea.y MHD non-Da.cy flow over porous wedge in presence of therma. ra.ia.ion energy

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a.plied Ma.hema.ics a.d Mecha.ics(English Edition) 2016年第8期37卷 1031-1040页

作者： R.kandasamy R.MOHa.Ma. I.MUHa.MIN Resea.ch Centre for Computa.iona. Ma.hema.ics Faculty of ScienceTechnology and Human DevelopmentUniversiti Tun Hussein Onn Malaysia

The therma. ra.ia.ion energy is the clea. energy with a.much lower environmenta. impa.t tha. the conventiona. energy. The objective of the present work is to investiga.e theoretica.ly the effect of copper na.opa.ticles a.d ca.bon na.otubes （CNTs） in the presence of ba.e fluid （wa.er） with the va.ia.le strea. condition due to the therma. ra.ia.ion energy. Single-wa.led ca.bon na.otubes （SWCNTs） in the presence of ba.e fluid flow over a.porous wedge pla. a.significa.t role compa.ed to those of copper na.opa.ticles on a.sorbing the incident sola. ra.ia.ion a.d tra.siting it to the working fluid by convection.

关键词： ca.bon na.otube (CNT) copper na.opa.ticle ma.netic field therma. ra.ia.ion energy

Ca.bon Geochemistry of Ga. Hydra.e-a.socia.ed Sediments in the Southwestern Ta.wa. Ba.in

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a.ta.Geologica.Sinica.English Edition) 2018年第1期92卷 333-341页

作者： LEI Hua.ya. Ya.G Yufeng Selva.a. kandasamy SHI Chunxia. Sta.e Key La.ora.ory of Ma.ine Environmenta. Science Xiamen University Xiamen Fujian 361102 College of Ocea. a.d Ea.th Sciences Xiamen University Xiamen Fujian 361102 Ma.ine Technology Center of Huizhou Huizhou Guangdong 516008

Ma.ine ga. hydra.es, one of the la.gest metha.e reservoirs on Ea.th, ma. grea.ly a.fect the deep sea.sedimenta.y environment a.d biogeochemistry; however, the ca.bon geochemistry in ga. hydra.e-bea.ing sediments is poorly understood. In this study, we investiga.ed the ca.bon va.ia.les in sediment core 973-3 from the southwestern Ta.wa. Ba.in in the South China.Sea.to understa.d the effect of environmenta. fa.tors a.d a.cha.a. communities on ca.bon geochemistry. The ca.bon profiles suggest the metha.ogenesis with the incera.e of dissolved inorga.ic ca.bon （DIC） a.d high tota. orga.ic ca.bon （TOC）（mea. = 0.46%） origina.ed from terrigenous orga.ic ma.ter （mea. j13CToc va.ue of -23.6%0） driven by the a.unda.t metha.ogen ＇Metha.osa.ta.a.d Metha.omicrobia.es＇. The a.tive a.a.robic oxida.ion of metha.e is cha.a.terized by the increa.e of DIC a.d inorga.ic ca.bon （IC）, a.d the depleted δ13CIC, coupled with the increa.e of TOC a.d the decrea.e of δ13Croc va.ues owing to the metha.otroph ＇Metha.osa.cina.es/a.ME＇ in 430-840 cm. Environmenta. fa.tors a.d a.cha.a. communities in core 973-3 a.e significa.tly correla.ed to ca.bon va.ia.les owing to metha.e production a.d oxida.ion. Our results indica.e tha. the ca.bon geochemica. cha.a.teristics a.e obviously responding to the forma.ion a.d decomposition of ga. hydra.es. Furthermore, pH, Eh a.d gra.n size, a.d Metha.osa.ta.grea.ly a.fect the ca.bon geochemistry in ga. hydra.e-a.socia.ed sediments.

关键词： southwestern Ta.wa. Ba.in ca.bon geochemistry environmenta. conditions a.cha.a ga.hydra.e