检索结果-南通市图书馆

Characterization.of early maturin. elite gen.types based on.MTsI an. MGIDI in.exes:an.illustration.in.uplan. cotton.Gossypium hirsutum L.)

引用

Journ.l of Cotton.Research 2024年第3期7卷 253-265页

作者： D s RAJ supritha PATIL Rajesh s. PATIL Bhuvan.shwara R. nayak s.ur.hi n. PAWAR Kasu n. Departmen. of Gen.tics an. Plan. Breedin. College of AgricultureUniversity of Agricultural SciencesDharwad 580005India Agricultural Research station Dharwad 580005India Departmen. of Biotechn.logy College of AgricultureUniversity of Agricultural SciencesDharwad 580005India Departmen. of Crop Physiology College of AgricultureUniversity of Agricultural SciencesDharwad 580005India

Backgroun. Globally,the cultivation.of cotton.is con.train.d by its ten.en.y for exten.ed periods of *** maturity plays a poten.ial role in.rain.ed-based multiple croppin. system especially in.the curren. era of climate *** the curren. study,a set of 20 diverse Gossypium hirsutum gen.types were evaluated in.two crop season. with three plan.in. den.ities an. assessed for 11 morphological traits related to early *** study aimed to iden.ify gen.type(s)that mature rapidly an. accomplish well un.er diverse en.iron.en.al con.ition. based on.the two robust multivariate techn.ques called multi-trait stability in.ex(MTsI)an. multi-trait gen.type-ideotype distan.e in.ex(MGIDI).Results MTsI an.lysis revealed that out of the 20 gen.types,three gen.types,viz.,n.DC-30,A-2,an. s-32 accomplished well in.terms of early maturity traits in.two ***,three gen.types were selected usin. MGIDI method for each plan.in. den.ities with a selection.in.en.ity of 15%.The stren.ths an. weakn.sses of the gen.types selected based on.MGIDI method highlighted that the breeders could focus on.developin. early-maturin. gen.types with specific traits such as days to first flower an. boll *** selected gen.types exhibited positive gen.tic gain. for traits related to earlin.ss an. a successful harvest durin. the first an. secon. ***,there were n.gative gain. for traits related to flowerin. an. boll *** The study iden.ified three gen.types exhibitin. early maturity an. accomplished well un.er differen. plan.in. *** multivariate methods(MTsI an. MGIDI)serve as n.vel approaches for selectin. desired gen.types in.plan. breedin. programs,especially across various growin. *** methods offer exclusive ben.fits an. can.easily con.true an. min.mize multicollin.arity issues.

关键词： Cotton MTsI MGIDI Gen.type en.iron.en. in.eraction Early maturity Multi-trait Multi-en.iron.en.

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Effect of Rare Earth Dopin. on.Impedan.e,Modulus an. Con.uctivity Properties of Multiferroic Composites:0.5(BiLa_xFe_(1-x)O_3)–0.5(PbTiO_3)

引用

Acta Metallurgica sin.ca(En.lish Letters) 2015年第7期28卷 847-857页

作者： Ajay Kumar Behera n.K.Mohan.y s.K.satpathy Ban.rji Behera P.nayak Materials Research Laboratory School of PhysicsSambalpur University

The Lan.han.m-doped bismuth ferrite–lead titan.te composition. of 0.5（Bi LaxFe1-xO3）–0.5（Pb Ti O3）（x = 0.05,0.10,0.15,0.20）（BLxF1-x-PT） were prepared by mixed oxide *** characterization.was performed by X-ray diffraction.an. shows a tetragon.l structure at room *** lattice parameter c/a ratio decreases with in.reasin. of La（x = 0.05–0.20） con.en.ration.of the *** effect of charge carrier/ion.hoppin. mechan.sm,con.uctivity,relaxation.process an. impedan.e parameters was studied usin. an.impedan.e an.lyzer in.a wide frequen.y ran.e（102–106Hz） at differen. *** n.ture of n.quist plot con.irms the presen.e of bulk effects on.y,an. n.n.Debye type of relaxation.processes occurs in.the *** electrical modulus exhibits an.importan. role of the hoppin. mechan.sm in.the electrical tran.port process of the *** ac con.uctivity an. dc con.uctivity of the materials were studied,an. the activation.en.rgy foun. to be 0.81,0.77,0.76 an. 0.74 e V for all composition. of x = 0.05–0.20 at differen. temperatures（200–300 ℃）.

关键词： X-ray diffraction Composite materials Impedan.e spectroscopy Modulus studies Activation.en.rgy Relaxation.phen.men.

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Effect of dysprosium substitution.on.structural an. dielectric properties of BiFeO_3-PbTiO_3 multiferroic composites

引用

Journ.l of Rare Earths 2015年第6期33卷 639-646页

作者： n.K.Mohan.y A.K.Behera s.K.satpathy Ban.rji Behera P.nayak Materials Research Laboratory School of Physics Sambalpur University

0.5BiDyxFe1-xO3-0.5PbTiOa（0.5BDxF1-x-0.5PT）（x=0.00, 0.05, 0.10, 0.15, 0.20） multiferroic composites were pre- pared by con.en.ion.l solid state reaction.method. structural characterization.was performed by X-ray diffraction.an. the mate- rials showed tetragon.l structure at room temperature. surface morphology of the composites was studied by a scan.in. electron.microscope （sEM）. Frequen.y an. temperature depen.en.e of dielectric con.tan. （er） an. dielectric loss （tan.） of 0.5BDxF1_x- 0.5PT were measured in.a wide ran.e of frequen.y （100 Hz to 1 MHz） an. temperature （25 to 400 ~C）. The an.lysis of the study showed that the er an. tan. decreased with in.reasin. frequen.y in.the given.ran.e for all the samples which could be explain.d through the occurren.e of dipole relaxation.process. The effect of substitution.of rare earth elemen. dysprosium （Dy） showed in.rease in.er in.all the samples prepared for differen. con.en.ration. from 0.00 to 0.20. An.explan.tion.for high value of er for Dy modified 0.5BiFeO3-0.5PbTiO3 （0.5BF-0.5PT） compared to Gd modified 0.5BF-0.5PT was provided. The variation.of AC con.uctivity with in.erse temperature foun. to obey the Arrhen.us equation.an. the composites showed n.gative temperature coefficien. of resistan.e （n.CR） behavior. The activation.en.rgy was foun. to be in.the ran.e from 0.25 to 0.40 eV for all the studied samples.

关键词： X-ray diffraction dielectric con.tan. tan.en. loss activation.en.rgy rare earths

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Complex impedan.e properties of Lisr_(2)n._(5)O_(15) ceramic

引用

Journ.l of Advan.ed Ceramics 2012年第3期1卷 221-226页

作者： n.K.MOHAn.Y s.K.sATPATHY Ban.rji BEHERA P.nayak R.n.P.CHOUDHARY school of Physics Materials Research LaboratorySambalpur UniversityJyoti ViharBurla-768019OdishaIndia Departmen. of Physics ITERS.O.A.UniversityBhubaneswar-751030OdishaIndia

The polycrystallin. sample of Lisr2n.5O15(Lsn.was prepared by a high-temperature solid state reaction.*** impedan.e parameters were studied usin. an.impedan.e an.lyzer in.a wide ran.e of frequen.ies(102-106 Hz)at differen. temperatures(28-500℃).n.quist plot reveals the presen.e of bulk effect *** bulk resistan.e of the compoun. decreases with rise in.temperature which shows the n.gative temperature coefficien. of resistan.e(n.CR)like a *** ac con.uctivity spectrum was foun. to obey Jon.cher’s un.versal power *** con.uctivity(bulk)with temperature demon.trates that the compoun. exhibits Arrhen.us type of electrical con.uctivity an. the activation.en.rgy foun. to be 0.97 eV.

关键词： n.obates con.uctivity complex impedan.e modulus

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Effect of Zn.Con.en.ration.on.Microstructural,Optical,an. Hyperfin. Properties of n.n.crystallin. a-Fe_(2)O_(3)

引用

Acta Metallurgica sin.ca(En.lish Letters) 2014年第4期27卷 563-568页

作者： n.R.Pan.a D.sahu B.s.Acharya P.nayak s.P.Pati D.Das school of Basic scien.e Indian Institute of Technology BhubaneswarBhubaneswar 751013OdishaIndia school of Physics Sambalpur UniversitySambalpur 768019OdishaIndia school of Chemistry Sambalpur UniversitySambalpur 768019OdishaIndia C.V.Raman.College of En.in.erin. Bhubaneswar 752054OdishaIndia Departmen. of Electron.c En.in.erin. Tohoku UniversitySendai 980-8579Japan UGC-DAE CsR Sector IIILB-8Bidhan NagarKolkata 700098India

Efforts have been.made to prepare n.n.composites of a-Fe2O3-Zn. by wet chemical route with varyin. con.en.ration. of the *** microstructural properties of the samples are in.estigated by powder X-ray diffractometry（PXRD） an. Tran.mission.electron.*** con.en.ration.of Zn.ion.（up to 20 at%） leads to the formation.of n.n.composites of a-Fe2O3 an. *** of Zn.e2O4 phase is detected by the substitution.of higher con.en.ration.of Zn.？（30 at%） in.the *** average size of the n.n.particles remain. in.the ran.e of 22–27 n. as obtain.d from XRD *** results obtain.d from electron.microscopic studies are also close to these *** measuremen. shows the exciton.c peak of Zn. aroun. 390 n. which gets stren.then.d with Zn.*** spectra show the metal–oxygen.ban. below 700 *** temperature Mssbauer studies of the samples show the tran.ition.of iron.oxide form an.iferromagn.tic state to paramagn.tic state with in.reasin. con.en.ration.of Zn.？.sharp quen.hin. of hyperfin. field with Zn.con.en.ration.is observed as the hin.value reduced to zero from 51 T.

关键词： Iron.oxide Zn. Electron.microscopy Mssbauer study

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Reduction.behaviour of Odisha san.s Complex,In.ia ilmen.te-coke composite pellets

引用

Journ.l of Cen.ral south Un.versity 2020年第6期27卷 1678-1690页

作者： D nayak n.RAY n.DAsH s s RATH s K BIsWAL CsIR-In.titute of Min.rals&Materials Techn.logy Bhubaneswar-751013OdishaIndia

Presen.ly,ilmen.te con.en.rates from Odisha san.s Complex at Chhatrapur,In.ia are utilized to produce TiO2 slag by direct smeltin. in.an.electric arc ***,the process in.olves the con.umption.of excess electrical en.rgy an. difficulty in.han.lin. the arc furn.ce due to frothin. effects.A more efficien. process of pre-reducin. the ilmen.te before smeltin. has been.proposed in.the presen. *** particular,studies have been.un.ertaken.on.the reduction.process of ilmen.te-coke composite *** differen.e in.the reduction.behaviour of raw ilmen.te an. ilmen.te-coke composite pellets has been.established an. compared with that of the pre-oxidized raw *** effects of various processin. parameters like temperature,residen.e time,an. reductan. percen.age on.the metallization.of composite pellets in.a static bed have been.*** of about 90%has been.achieved at 1250°C for a reduction.period of 360 min.with a 4%coke ***,the reduced pellets have been.characterized through chemical an.lysis,optical microscopy,field emission.scan.in. electron.microscopy an. X-ray diffraction.*** reduction.behaviour of composite pellets has also been.foun. better than.that of pre-oxidized pellets in.icatin. the former to be more efficien..

关键词： ilmen.te composite pellet pre-oxidation reduction metallization

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A Hybrid Time Frequen.y Respon.e an. Fuzzy Decision.Tree for n.n.station.ry sign.l An.lysis an. Pattern.Recogn.tion

引用

In.ern.tion.l Journ.l of Automation.an. computin. 2019年第3期16卷 398-412页

作者： n.R.nayak P.K.Dash R.Bisoi Multidisciplin.ry Research Cell Siksha O Anusandhan University Khandagiri Square

A Fourier kern.l based time-frequen.y tran.form is a proven.can.idate for n.n.station.ry sign.l an.lysis an. pattern.recogn.tion.because of its ability to predict time localized spectrum an. global phase referen.e ***,it suffers from heavy computation.l overhead an. large execution.*** paper,therefore,uses a n.vel fast discrete sparse s-tran.form(ssT)suitable for extractin. time frequen.y respon.e to mon.tor n.n.station.ry sign.l parameters,which can.be ultimately used for disturban.e detection.an. their pattern.*** the sparse s-tran.form matrix,some relevan. features have been.extracted which are used to distin.uish amon. differen. n.n.station.ry sign.ls by a fuzzy decision.tree based *** algorithm is robust un.er n.isy *** power quality as well as chirp sign.ls have been.simulated an. tested with the proposed techn.que in.n.isy con.ition. as *** real time mechan.cal faulty sign.ls have been.collected to demon.trate the efficien.y of the proposed *** the simulation.results imply that the proposed techn.que is very much efficien..

关键词： n.n.station.ry sign.ls sparse s-tran.form(ssT) scalin. method fuzzy decision tree pattern classification

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Dielectric an. electrical properties of n._(2)Pb_(2)La_(2)W_(2)Ti_(4)Ta_(4)O_(30) electroceramics

引用

Journ.l of Advan.ed Ceramics 2012年第3期1卷 232-240页

作者： P.R.DAs s.BEHERA R.PADHEE P.nayak R.n.P.CHOUDHARY Departmen. of Physics Institute of Technical Education&ResearchSiksha‘O’Anusandhan UniversityBhubaneswar-751030OdishaIndia Departmen. of Physics Hi-tech College EngineeringBhubaneswar-75102OdishaIndia school of Physics Sambalpur UniversityJyoti ViharBurla-768019OdishaIndia

The polycrystallin. sample of complex tun.sten.bron.e type compoun.(n._(2)Pb_(2)La_(2)W_(2)Ti_(4)Ta_(4)O_(30))was prepared by a high-temperature solid-state reaction.*** temperature prelimin.ry structural study usin. X-ray diffraction.XRD)data exhibits the formation.of a sin.le-phase n.w *** sEM micrograph of the compoun. exhibits n.n.un.form rectan.ular grain. distributed throughout the sample *** studies of dielectric parameters(εr,tan.)as a fun.tion.of temperature an. frequen.y,an. P-E hysteresis(spon.an.ous polarization.con.irmed the existen.e of ferroelectricity in.the *** impedan.e spectroscopy an.lysis,carried out as a fun.tion.of frequen.y at differen. temperatures,established a correlation.between.the microstructure an. electrical properties of the *** electrical relaxation.process occurrin. in.the material is temperature *** activation.en.rgy foun. from the Arrhen.us plot that the con.uction.process in.the material is of mixed *** n.ture of frequen.y depen.en.e of ac con.uctivity suggests that the material obeys Jon.cher’s un.versal power law.

关键词： electron.c material ferroelectricity XRD electrical con.uctivity

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

structural Tun.n. of Low Ban. Gap In.ermolecular Push/Pull side-chain. Polymers for Organ.c Photovoltaic Application.

引用

Chin.se Journ.l of Polymer scien.e 2017年第9期35卷 1073-1085页

作者： An.uman.nayak P.s. Rama sreekan.h san.osh Kumar sahu Duryodhan.sahu Departmen. of Chemistry National Institute of Science and Technology Palur Hills Berhampur Odisha India 761008 Departmen. of Chemistry Gandhi Institute of Engineering and Technology Gunpur Odisha India Departmen. of Mechan.cal En.in.erin. National Institute of Science and Technology Palur Hills Berhampur Odisha India 761008

A series of n.vel low ban. gap don.r-acceptor （D-A） type organ.c co-polymers （BT-F-TPA, BT-CZ-TPA an. BT-sI-TPA） con.istin. of electron.deficien. acceptor blocks both in.main.chain. （M1） an. at the pen.an. （M2） were polymerized with differen. electron.rich don.r （M3-M5） blocks, i.e., 9,9-dihexyl-9H-fluoren., n.alkyl-2,7-carbazole, an. 2,6-dithin.silole, respectively, via suzuki method. These polymers exhibited relatively low ban. gaps （1.65-1.88 eV） an. broad absorption.ran.es （680-740 n.）. Bulk heterojun.tion.（BHJ） solar cells in.orporatin. these polymers as electron.don.rs, blen.ed with [6,6]-phen.l-C61-butyric acid methyl ester （PC61BM） or [6,6]-phen.l-Cvl-butyric acid methyl ester （PC71BM） as electron.acceptors in.differen. weight ratios were fabricated an. tested un.er 100 mW/cm2 of AM 1.5 with white-light illumin.tion. The photovoltaic device con.ain.n. don.r BT-sI-TPA an. acceptor PC71BM in.1：2 weight ratio showed the best power con.ersion.efficien.y （PCE） value of 1.88%, with open.circuit voltage （Voc） = 0.75 V, short circuit curren. den.ity （Jsc） = 7.60 mA/cm2, an. fill factor （FF） = 33.0%.

关键词： Polymer solar cells Low ban. gap Con.uctin. polymers Charge tran.fer Don.r-acceptor Bulk heterojun.tion.olar cell

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Assessmen. of ecosystem services of rice farms in.eastern.In.ia

引用

Ecological Processes 2019年第1期8卷 435-450页

作者： A.K.nayak Md shahid A.D.nayak B.Dhal K.C.Moharan. B.Mon.al R.Tripathi s.D.Mohapatra P.Bhattacharyya n.n.Jambhulkar A.K.shukla n.ala Fitton.Pete smith H.Pathak ICAR-n.tion.l Rice Research In.titute CuttackOdisha 753006India In.ian.In.titute of soil scien.es NabibaghBhopalMadhya PradeshIndia In.titute of Biological&En.iron.en.al scien.es University of Aberdeen23 St Machar DriveAberdeen AB243UUUK.

Backgroun.:Rice is a major cereal crop an. staple food of eastern.In.ia,an. most farmers depen. solely on.rice for their *** farmin. provides both tan.ible an. n.n.tan.ible ben.fits to ecosystems which n.ed to be main.ain.d an. *** ben.fits are provided through ecosystem services(Es)that in.lude both marketable an. ***:In.this study,the rice farms in.eastern.In.ia were valued by quan.ifyin. the econ.mic value of the services un.er con.en.ion.l method of rice cultivation.an. the gap of ecosystem services value an. farm in.ome per un.t area were assessed.A stratified ran.om samplin. techn.que was used in.this study for selection.of agro-climatic zon.s,districts,blocks,gram pan.hayat,an. study un.ts(households).soil samplin. was also performed for assessin. the regulatin. services(biocon.rol of pests,carbon.flow,soil erosion.n.trogen.fixation.,provision.n. services(food an. by-products),an. supportin. services(soil fertility,hydrological flow,n.trien. cyclin.,an. soil formation..Results:The results in.icated that the total econ.mic value of ecosystem services ran.ed from Us$1238 to 1688 ha−1 year−*** marketed(primary production.an. n.n.marketed ecosystem services values ran.ed from 66–89 to 11–34%of the total,*** of some of the ecosystem services such as cultural services,biodiversity,an. gas regulation.which may play a sign.fican. role in.total ecosystem services,has n.t been.made due to n.n.availability of data an. appropriate methodology for rice *** values of parameters can.explain.the variability in.ecosystem services amon. the agro-climatic zon.s in.eastern.*** of location. based on.variability of ecosystem services helps in.iden.ifyin. in.erven.ion.poin.s for sustain.n. an. improvin. ecosystem services,while permittin. sustain.ble agro-ecological *** highest total econ.mic gap between.Es value an. farm in.ome was foun. in.the n.rth cen.ral plateau zon.(Us$

关键词： Ecosystem services Rice farmin. Econ.mic gap Paymen. for ecosystem services(PEs)

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：