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Pea. swa.ps a. Gira. lignite field Western India. understa.ding the modelling of Ba.mer ba.in, Ra.a.tha., evolution through petrologica.

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Interna.iona. Journa. of Coa. science & Technology 2016年第2期3卷 148-164页

作者： Pra.a.h k. singh P. k. Ra.a.a.M. P. singh V. k. singh a. s. Na.k.a.ok.k. singh Coa. & Orga.ic Petrology La. Centre of Advanced Study inGeology Banaras Hindu UniversityVaranasi 221005 Uttar Pradesh India Ra.iv Ga.dhi Institute of Petroleum Technology Rae Bareli 229316 UP India

The lignite sa.ples collected from Gira. lignite field of Ba.mer ba.in ha.e been subjected to petrologica. investiga.ion. The da.a.genera.ed ha. been discussed to understa.d the evolution of the pa.eomires of these lignites. The present study revea.s tha. these low ra.k.C coa.s a.e chiefly composed of huminite group ma.era.s, ma.nly telohuminite a.d detrohuminite, while liptinite a.d inertinite group ma.era.s occur in subordina.e a.ounts. Not much va.ia.ion in the ma.era. composition from sea.-I to sea.-VIII ha. been observed. Ba.mer lignites a.e cha.a.terized by a.very high GI （〉10） a.d modera.e TPI indica.ing topogenous mire in the ba.in which wa. perma.ently flooded. The GI a.d TPI va.ues a.d the petrogra.hy-ba.ed fa.ies critica. models indica.e tha. these lignites origina.ed mostly under wet forest swa.p to cla.tic ma.sh ha.ing telma.ic to limno-telma.ic conditions with a.modera.e ra.e of subsidence a.d a.very slow fa.l in ground wa.er ta.le. Further, the GWI a.d VI va.ues a.e suggestive of mesotrophic to rheotrophic hydrologica. conditions ha.ing the domina.ce of herba.eous to ma.gina. a.ua.ic vegeta.ion. There were spells of periodic drowning of pea. especia.ly during the forma.ion of sea.-VII. Modera.ely high concentra.ion of ca.cium in these lignites a.ong with the presence of fra.boida. pyrite indica.e enha.ced sulpha.e-reducing ba.teria. a.tivity present in ca.bona.e a.d sulpha.e-rich wa.ers in the ba.in during pea. forma.ion.

关键词： Pea. swa.p Petrogra.hy - Gira. lignite Ba.mer ba.in Western India

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Nutrient Recycling from Industria. solid Wa.tes a.d Weeds by Vermiprocessing Using Ea.thworms

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Pedosphere 2013年第5期23卷 668-677页

作者： a. Ya.a. V. k. Ga.G Depa.tment of Environmenta. science a.d Engineering Guru Jambheshwar University of Science and Technology

Vermicomposting is a.biotechnologica. process tha. ena.les the recycling of orga.ic wa.te ma.eria.s into ma.ure through the combined a.tion of ea.thworms a.d mesophilic microorga.isms. In this study, a.13-week.experiment wa. ca.ried to vermiprocess food industry sludge mixed with different bedding ma.eria.s including two weeds, wa.er hya.inth a.d pa.thenium, a. well a. cow dung, in different combina.ions employing ea.thworms of the species Eisenia.fetida. Eight vermibins conta.ning one k.logra. of the wa.te mixtures （dry weight ba.is） were esta.lished for vermicomposting. Vermiprocessing significa.tly increa.ed nitrogen, phosphorous, a.d pota.sium contents of the mixtures. However, a.decrea.e in pH, orga.ic ca.bon, a.d C：N ra.io wa. observed a.ter vermiprocessing. The hea.y meta. contents in the vermicomposts were higher tha. the initia. va.ues but within permissible limits. These results indica.ed tha. the studied wa.tes ca. be converted into good qua.ity ma.ure by vermiprocessing, which indica.ed their a.ricultura. va.ues a. a.soil conditioner if mixed with weeds in a.propria.e ra.ios.

关键词： Eisenia.fetida food industry sludge hea.y meta.s ma.ure vermicompost

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a.l-Optica. Wa.elength Conversion With Multi-Cha.nel Broa.ca.ting a. 10 Gb/s Using a. Electroa.sorption Modula.or

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光学学报 2003年第S1期23卷 347-348页

作者： k. k. Chow C. shu Depa.tment of Electronic Engineering The Chinese University of Hong Kong Shatin N.T. Hong Kong ChinaDepartment of Electronic Engineering The Chinese University of Hong Kong Shatin N.T. Hong Kong China

a.l-optica. wa.elength conversion ha. been demonstra.ed with a. electroa.sorption modula.or ba.ed on cross-a.sorption modula.ion. For the first time, simulta.eous broa.ca.ting up to 6 different wa.elengths a. 10Gb/s i... 详细信息

关键词： Ea. in on In of a.l-Optica. Wa.elength Conversion With Multi-Cha.nel Broa.ca.ting a. 10 Gb/s Using a. Electroa.sorption Modula.or dBm WDM

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Experimenta. investiga.ion on strip inserts in a.circula. tube hea. tra.sfer effect of conica. under la.ina. flow

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Frontiers in Energy 2016年第2期10卷 136-142页

作者： M. a.ULPRa.a.a.OTHI k. ELa.GOVa. k. HEMa.CHa.DRa.REDDY s. sUREsH Depa.tment of Mecha.ica. Engineering Jawaharlal Nehru Technologi-cal University Anantapur Anantapur 515002 India Depa.tment of Mecha.ica. Engineering Cambridge Institute ofTechnology Bangalore 560036 India Depa.tment of Mecha.ica. Engineering National Institute of Technology Trichy 620015 India

The a.m of this pa.er is to observe the Nusselt number a.d friction fa.tor beha.ior of the circula. tube with conica. strip inserts a. turbula.ors in a.la.ina. flow condition, using sta.gered a.d non-sta.gered conica. strips with three different twist ra.ios （Y = 2, 3 a.d 5）. The conica. strip is inserted in the forwa.d a.d ba.k.a.d direction individua.ly compa.ed to the flow of wa.er which is the work.ng fluid. The results indica.e tha. the conica. strip inserts increa.es the Nusselt number when compa.ed to the pla.n surfa.e tube. It is observed tha. the strip geometry ha. a.ma.or effect on the therma. performa.ce of the circula. tube. On exa.ina.ion of different strips for determining the enha.cement of Nusselt number, the sta.gered conica. strip with the twist ra.io of Y = 3 ha. given a.better result compa.ed to the other two strips. Fina.ly, correla.ions ha.e been derived using regression a.a.ysis for predicting the Nusselt number a.d friction fa.tor.

关键词： Nusselt number friction fa.tor conica. strip

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Nitrogen upta.e by phytopla.k.on in surfa.e wa.ers of the India. sector of southern Ocea. during a.stra. summer

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Frontiers of Ea.th science 2018年第1期12卷 52-62页

作者： s. C. TRIPa.HY sIVa.I Pa.Ra.k. VIsHNU Va.DHa. a. sa.k.0} R. k. MIsHRa.N. a.ILk.Ma. EssO-Na.iona. Centre for a.ta.ctic a.d Ocea. Resea.ch Ministry of Earth Sciences Headland Sada Vasco-da-Gama Goa 403804 India EssO-Integra.ed Coa.ta. a.d Ma.ine a.ea.Ma.a.ement-PD Ministry of Earth Sciences NIOT Campus Velachery Pallikaranai Chennai 600100 India

This study reports the nitrogen upta.e ra.e （using 15N tra.er） of phytopla.k.on in surfa.e wa.ers of different fronta. zones in the India. sector of the southern Ocea. （sO） during a.stra. summer of 2013. The investiga.ed a.ea.encompa.ses four ma.or fronta. systems, i.e., the subtropica. front （sTF）, suba.ta.ctic front （sa.）, pola. front-1 （PF1） a.d pola. front-2 （PF2）. southwa.d decrea.e of surfa.e wa.er tempera.ure wa. observed, wherea. surfa.e sa.inity did not show a.y significa.t trend. Nutrient （NO3- a.d siO44-） concentra.ions increa.ed southwa.d from sTF to PF; while a.monium （NH4＋）, nitrite （NO2-） a.d phospha.e （PO433 rema.ned compa.a. tively sta.le. a.a.ysis of nutrient ra.ios indica.ed potentia. N-limited conditions a. the sTF a.d sa. but no such scena.io wa. observed for PF. In terms of phytopla.k.on bioma.s, PF1 wa. found to be the most productive followed by sa., wherea. PF2 wa. the lea.t productive region. Nitra.e upta.e ra.e increa.ed with increa.ing la.itude, a. no systema.ic spa.ia. va.ia.ion wa. discerned for NH4＋ a.d urea.（CO（NH2）2）. Linea. rela.ionship between nitra.e a.d tota. N-upta.e revea.s tha. the studied a.ea.is ca.a.le of exporting up to 60% of the tota. production to the deep ocea. if the environmenta. settings a.e fa.ora.le. Lik. N-upta.e ra.es the f-ra.io a.so increa.ed towa.ds PF region indica.ing compa.a.ively higher new production in the PF tha. in the subtropics. The modera.ely high a.era.efira.io （0.53） indica.es potentia.ly nea. equa. contributions by new production a.d regenera.ed production to the tota. productivity in the study a.ea. Eleva.ion in N-upta.e ra.es with declining tempera.ure suggests tha. the sO with its va.t qua.tity of cool wa.er could pla. a. importa.t role in dra.ing down the a.mospheric CO2 through the ＂solubility pump＂.

关键词： nitrogen upta.e f-ra.io new productivity,fronta. zones southern Ocea.

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Post-fa.lure beha.ior of tunnel hea.ing colla.se by MPM simula.ion

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science China.Technologica. sciences) 2015年第12期58卷 2139-2152页

作者： CHENG Xuesong ZHENG Ga.g sOGa.k. Ba.Da.a.s.s. k.Ma. k. DIa. Yu XU Jie MOE k.y La.ora.ory of Coa.t Civil structure sa.ety Tianjin University Depa.tment of Civil Engineering Tianjin University Depa.tment of Engineering University of Cambridge

Tunnel colla.se presents a.serious threa. to the sa.ety of urba. construction. The tra.itiona. a.proa.h a.opted to a.sess this risk.is to eva.ua.e the fa.tor of sa.ety a.a.nst fa.lure. However, this a.a.ysis only determines on whether the tunnel will colla.se or not, a.d does not provide informa.ion on the ma.nitude of the post-fa.lure beha.ior(for exa.ple, ca.a.trophic or progressive) if the tunnel colla.se occurs. In this study, a.meshless method ba.ed on the ma.eria. point method(MPM) wa. used to investiga.e the post-fa.lure beha.ior of tunnel hea.ing colla.se in two-dimensiona. pla.e-stra.n conditions. The ca.a.ility a.d a.cura.y of MPM were verified by compa.ing the elicited results to centrifuge test da.a.a.d to a.a.ytica. solutions obta.ned from limit sta.e methods. MPM simula.ions were conducted a. different soil conditions(cla. or sa.d) a.d profiles(homogenous or linea. increa.ing strength) a. well a. a. different tunnel geometries(i.e. tunnel depth a.d unlined length). The differences in the post-fa.lure beha.ior a.d mecha.isms a.e exa.ined a.d reported.

关键词： tunnel sta.ility colla.se mecha.ism ma.eria. point method la.ge deforma.ion

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MODIFIED NEWTON＇s a.GORITHM FOR COMPUTING THE GROUP INVERsEs OF sINGULa. TOEPLITZ Ma.RICEs

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Journa. of Computa.iona. Ma.hema.ics 2006年第5期24卷 647-656页

作者： Jia.-feng Ca. Micha.l k. Ng Yi-min Wei Depa.tment of Ma.hema.ics The Chinese University of Hong Kong Hong Kong Depa.tment of Ma.hema.ics Hong Kong Baptist University Hong Kong school of Ma.hema.ica. sciences Fudan University Shanghai 200433 China ~ Key Laboratory of Mathematics for Nonlinear Sciences (Fudan University) Ministry of Education

Newton＇s itera.ion is modified for the computa.ion of the group inverses of singula. Toeplitz ma.rices. a. ea.h itera.ion, the itera.ion ma.rix is a.proxima.ed by a.ma.rix with a.low displa.ement ra.k. Beca.se of the displa.ement structure of the itera.ion ma.rix, the ma.rix-vector multiplica.ion involved in Newton＇s itera.ion ca. be done efficiently. We show tha. the convergence of the modified Newton itera.ion is still very fa.t. Numerica. results a.e presented to demonstra.e the fa.t convergence of the proposed method.

关键词： Newton's itera.ion Group inverse Toeplitz ma.rix Displa.ement ra.k.

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MHD flow a.d ma.s tra.sfer of chemica.ly rea.tive upper convected Ma.well fluid pa.t porous surfa.e

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a.plied Ma.hema.ics a.d Mecha.ics(English Edition) 2012年第7期33卷 899-910页

作者： k. Va.Ra.ELU k. V. PRa.a. a. sUJa.Ha.吴朝安 Depa.tment of Ma.hema.ics University of Central Florida Depa.tment of Ma.hema.ics Bangalore University Depa.tment of Mecha.ica. Engineering The University of Hong Kong

The ma.netohydrodyna.ic （MHD） flow a.d ma.s tra.sfer of a. electrica.ly conducting upper convected Ma.well （UCM） fluid a. a.porous surfa.e a.e studied in the presence of a.chemica.ly rea.tive species. The governing nonlinea. pa.tia. differentia. equa.ions a.ong with the a.propria.e bounda.y conditions a.e tra.sformed into nonlinea. ordina.y differentia. equa.ions a.d numerica.ly solved by the k.ller-box method. The effects of va.ious physica. pa.a.eters on the flow a.d ma.s tra.sfer cha.a.teristics a.e gra.hica.ly presented a.d discussed. It is observed tha. the order of the chemica. rea.tion is to increa.e the thick.ess of the diffusion bounda.y la.er. a.so, the ma.s tra.sfer ra.e strongly depends on the schmidt number a.d the rea.tion ra.e pa.a.eter. Furthermore, a.a.la.le results in the litera.ure a.e obta.ned a. a.specia. ca.e.

关键词： chemica.ly rea.tive species upper convected Ma.well (UCM) fluid ma.-netohydrodyna.ic (MHD) flow ma.s tra.sfer k.ller-box method

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sta.istica. Modeling studies of Iron Recovery from Red Mud Using Therma. Pla.ma

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Pla.ma.science a.d Technology 2013年第5期15卷 459-464页

作者： swa.a. s. Ra.H a.cha.a.Pa.Y k. Ja.a.a.k.0} a.it k. MITRa.C. sa.IsH k.Ma. Pa.tha.s. MUk.ERJEE Ba.a.a.k. MIsHRA Institute of Minera.s a.d Ma.eria.s Technology (CsIR) Veda.ta.a.umina.Limited Lanjigarh

Optimiza.ion studies of pla.ma.smelting of red mud were ca.ried out. Reduction of the dried red mud fines wa. done in a. extended a.c pla.ma.rea.tor to recover the pig iron. Lime grit a.d low a.h meta.lurgica. （La.） cok. were used a. the flux a.d reducta.t, respectively. 2level fa.toria. design wa. used to study the influence of a.l pa.a.eters on the responses. Response surfa.e modeling wa. done with the da.a.obta.ned from sta.istica.ly designed experiments. Meta. recovery a. optimum pa.a.eters wa. found to be 79.52%.

关键词： pla.ma response surfa.e modeling red mud design of experiments optimiza.tion

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Response of pla.ma.turbulence a.a.nst externa.ly-controlled perturba.ions

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Chinese Physics B 2012年第9期21卷 385-395页

作者： s. I. Itoh k. Itoh Resea.ch Institute for a.plied Mecha.ics Kyushu University Itoh Resea.ch Center for Pla.ma.Turbulence Kyushu University Na.iona. Institute for Fusion science

a.theory of the dyna.ic response of the turbulent pla.ma.a.a.nst the externa.ly-controlled perturba.ions is reported. Ba.ed on Mori＇s method [Prog. Theor. Phys. 33 423 （1965）], the nonlinea. force is a.smned to be sepa.a.ed into the memory function a.d the nonlinea. fluctua.ing force. The former corresponds to the da.ping term, a.d the la.ter is ca.egorized into the noise term. The response of the turbulent pla.ma.a.a.nst the externa.ly-controlled source is formula.ed. The response k.rnel, which connects the externa.ly-controlled source a.d the response of the turbulent field, is shown to ha.e both the nonloca. property （in spa.e） a.d the non-Ma.k.via. response （in time）. a.discussion is ma.e on the nonloca. a.d non-Ma.k.via. response, including the ca.e of dispa.a.e-sca.e intera.tions. a.new method is proposed to observe experimenta.ly the nonloca. intera.tion in the drift wa.e turbulence via.the zona. flows.

关键词： turbulent tra.sport nonloca. a.d non-Ma.k.via. response

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