检索结果-南通市图书馆

In this pape., we.propose.an algorithm for solving ine.uality constraine. mini-max optimization proble.. In this algorithm, an active.se. strate.y is use. toge.he. with mul- tiplie. me.hod to conve.t the.ine.uality constraine. mini-max optimization proble. into unconstraine. optimization proble.. A trust-re.ion me.hod is a we.l-acce.te. te.hnique.in constraine. optimization to assure.global conve.ge.ce.and is more.robust whe. the. de.l with rounding e.rors. One.of the.advantage. of trust-re.ion me.hod is that it doe. not re.uire.the.obje.tive.function of the.mode. to be.conve.. A global conve.ge.ce.analysis for the.propose. algorithm is pre.e.te. unde. some.conditions. To show the.e.ficie.cy of the.algorithm nume.ical re.ults for a numbe. of te.t proble.s are.re.orte..

关键词： Mini-max proble. Active.se. Multiplie. me.hod Trust-re.ion Global con-ve.ge.ce

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欧洲共产主义土地政策

欧洲共产主义土地政策

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作者： e.·瓦德钦(e. Wade.in)

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Variable.fluid prope.tie. and the.mal radiation e.fe.ts on flow and he.t transfe. in micropolar fluid film past moving pe.me.ble.infinite.flat plate.with slip ve.ocity

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Applie. Mathe.atics and Me.hanics(e.glish e.ition) 2012年第5期33卷 663-678页

作者： M.A.A.MAHMOUD S.e.WAHe.D De.artme.t of Mathe.atics Faculty of ScienceBenha UniversityBenha 13518Egypt

This work de.ls with the.influe.ce.of the.mal radiation on the.proble. of the.mixe. conve.tion thin film flow and he.t transfe. of a micropolar fluid past a moving infinite.ve.tical porous flat plate.with a slip ve.ocity. The.fluid viscosity and the.the.mal conductivity are.assume. to be.the.functions of te.pe.ature. The.e.uations gove.ning the.flow are.solve. nume.ically by the.Che.yshe. spe.tral me.hod for some.re.re.e.tative.value.of various parame.e.s. In comparison with the.pre.iously publishe. work, the.e.ce.le.t agre.me.t is shown. The.e.fe.ts of various parame.e.s on the.ve.ocity, the.microrotation ve.ocity, and the.te.pe.ature.profile., as we.l as the.skin-friction coe.ficie.t and the.Nusse.t numbe., are.plotte. and discusse..

关键词： micropolar fluid thin film slip ve.ocity variable.fluid prope.tie. the.malradiation Che.yshe. spe.tral me.hod

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建筑环境物理学

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作者： e.·希尔德(e. Schild)

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e.vironme.tal magne.ic studie. of lacustrine.se.ime.ts

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Chine.e.Scie.ce.Bulle.in 2002年第7期47卷 613-616页

作者： HU Shouyun, De.G Che.glong, e. Appe. & K. L. Ve.osubNanjing Institute.of Ge.graphy and Limnology, Nanjing 210008, China Institute.of Ge.logy and Ge.physics, Be.jing 100101, China Institut fur Ge.logic, Unive.sitat Tubinge., 72076 Tubinge., Ge.many De.artm Nanjing Institute.of Ge.graphy and Limnology Nanjing China Institute.of Ge.logy and Ge.physics Beijing China Institut für Ge.logie Universität Tübingen Tübingen Germany De.artme.t of Ge.logy University of California Davis USA

In re.e.t de.ade., e.vironme.tal magne.ism has be.ome.an important me.hod for studying past global climatic and e.vironme.tal change.. For an e.vironme.tal magne.ic study, it is important to unde.stand the.magne.ic prope.tie. of various magne.ic mine.als in lacustrine.se.ime.ts and the.proce.se. involve. in the.formation, transport, and pre.e.vation of the.e.magne.ic mine.als. The.magne.ic re.ponse.of lacustrine.se.ime.ts to climatic change.may vary wide.y from lake.to lake. To re.onstruct the.proce.se. contributing to pale.climatic and pale.e.vironme.tal change. it is, the.e.ore. ne.e.sary to de.ive.a comple.e.unde.standing of the.pote.tial origin of the.magne.ic signal obse.ve..

关键词： rock magne.ism pale.climate pale.e.vironme.t lacus-trine se.ime.ts.

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Asse.sme.t of the.He.vy Me.als and Natural Radioactivity in Phosphate.Mine. and Occupational He.lth e.fe.ts at Some.e.yptian Re.ions

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Journal of e.vironme.tal Prote.tion 2016年第11期7卷 1657-1669页

作者： e. R. Atta Kh. M. Zakaria M. S. Ibrahim Nucle.r and Radiological Re.ulatory Authority Cairo Egypt

In this work, the.spe.ific activitie. of natural radionuclide., name.y 238U se.ie., 232Th se.ie. and 40K, have.be.n me.sure. in colle.te. se.ime.tary phosphate.de.osits sample. from e.-Hamrawe.n, e.-Quse. and Safaga phosphate.mine. in e.ypt. HPGe.γ-spe.trome.ry was use.. This study was unde.take. to e.timate.the.radiation hazard indice. in phosphate.mining at the.studie. mine. on the.r occupational worke.s, to e.tablish corre.ation re.ationships be.we.n the.some.me.sure. he.vy me.als such as As, Cd and Pb in blood worke.s and the.r conce.tration in phosphate.rock ore. and to de.e.minate.the.biomarke.s in the.blood worke.s such as malondialde.yde.(MDA) and supe.oxide.dismutase.(SOD). The.phosphate.mine.sample.of e.-Hamrawe.n has the.lowe.t activity conce.tration of 226Ra, 232Th and 40K in comparison to the.phosphate.mine.sample. of e.-Quse.r and Safaga (e.-Hamrawe.n kg-1, 122.4 to 188.3 Bq·kg-1 and 115.4 to 165.8 Bq·kg-1 for Safaga, e.-Quse.r and e.-Hamrawe.n, re.pe.tive.y. For 232Th activity conce.trations varie. from 135.6 to 212.3 Bq·kg-1, 112.8 to 167.4 Bq·kg-1 and 132.8 to 188.6 Bq·kg-1 for Safaga, e.-Quse.r and e.-Hamrawe.n, re.pe.tive.y. For 40K activity conce.trations varie. from 225.2 to 312.8 Bq·kg-1, 168.7 to 268.9 Bq·kg-1 and 95.2 to 155.8 Bq·kg-1 for Safaga, e.-Quse.r and e.-Hamrawe.n, re.pe.tive.y. The.worke.s of old age. have.highe. conce.tration of the.inve.tigate. he.vy me.als than those.of young age.. The.e.is a good re.ation be.we.n the.conce.tration of the.inve.tigate. me.als in phosphate.mine.sample. and the.r conce.tration in blood of the.occupational worke.s in the.e.mine..

关键词： Supe.oxide.Dismutase Malondialde.yde Natural Radionuclide. He.vy Me.als Phosphate Occupational Worke.s He.lth e.fe.ts

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Anatomy e.ucation: Pe.ce.tions and e.pe.ie.ce. of Nige.ian Anatomists towards Contributing to Programme.and Care.r Advance.e.ts

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He.lth 2022年第9期14卷 996-1019页

作者： Joshua O. Owolabi Sunday Y. Olatunji Ade.e.i e. Ade.unji Ahmad A. Tijani Anatomy De.artme.t Division of Basic Medical Sciences University of Global Health Equity Kigali Rwanda De.artme.t of Anatomy Ben Carson School of Medicine Babcock University Ilishan-Remo Nigeria De.artme.t of Anatomy Adventist School of Medicine of East-Central Africa Adventist University of Central Africa Kigali Rwanda Colle.e.of Me.icine.and He.lth Scie.ce. Afe Babalola University Ado-Ekiti Nigeria De.artme.t of Anatomy Faculty of Basic Medical Sciences College of Medical Sciences Modibbo Adama University Yola Nigeria

Anatomy, a fore.ost basic me.ical scie.ce.(BMS) has e.olve. in conte.t and conte.t, while.re.aining the.most fundame.tal BMS subje.t. Stake.olde.s have.continually made.e.forts e.pe.ially in re.e.t time.to achie.e.an e.olution of this subje.t. The.primary aim of this work was to study the.pe.ce.tions and e.pe.ie.ce. of Anatomists towards contributing to programme.and care.r advance.e.ts. Following e.hical approval, structure. que.tionnaire.was administe.e. to Nige.ian anatomists using a Google.form. It is a total population study. The.que.tionnaire.had 13 se.tions, with e.ch se.tion addre.sing a the.e.that was inte.ral to the.subje.t of re.e.rch inte.e.t. The.last se.tion colle.te. fre. re.ponse. as qualitative.information. Afte. indicating informe. conse.t, 106 anatomists prope.ly comple.e. and re.urne. the.que.tionnaire.. Statistical and quantitative.analyse. of re.ults we.e.done. The.most popular fie.d amongst re.ponde.ts was Ne.roscie.ce.(60.9%);followe. by Histology or Microscopic Anatomy (53.6%), e.bryology or de.e.opme.tal anatomy (35.5%), Gross anatomy (34.5%) and Histoche.istry (30.9%). About half of Nige.ian anatomists involve. in the.study had a PhD de.re.. Training e.phasize. the.cognitive.domains the.most. Conse.ue.tly, e.phasis should be.laid on the.psychomotor (skills) and the.affe.tive.domain (attitude. to improve.capacity, compe.e.ce., and the.job prospe.ts of traine.s. The.conse.sus was that the.programme.traine. stude.ts and pre.are. graduate. as me.ical e.ucators, scie.tists, and re.e.rche.s. Anatomy has significant pote.tial to contribute.to de.e.opme.t with prope. programme.de.ign, e.phasis on re.e.rch, te.ching and applie. se.vice. compe.e.cie., e.fe.tive.policy formulation and imple.e.tation and adhe.e.ce.to be.t practice..

关键词： Anatomy Anatomical Scie.ce. e.ucation Curriculum Care.r Prospe.ts Nige.ia

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