检索结果-南通市图书馆

L-a.ginine Supplementa.ion a.ters Ma.erna. Blood Biochemica. a.tributes a.d Milk Composition Rela.ive to Neona.a. Tra.ts of.<i>Na.di</i>Ewes

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Open Journa. of.a.ima. Sciences 2019年第3期9卷 341-354页

作者： Mousta.0} M. Zeitoun a.med a. a.-Ghoneim Kha.id a. a.-Soba.il Ya.ser R. Ha.sa.ein Moha.ed M. Ma.sour Kheir El-Din M. El-a.ra. marwa f. a. attia Ta.iq I. a.munda.ij Depa.tment of.a.ima. Production a.d Breeding College of Agriculture and Veterinary Medicine Qassim University Buriedah KSA Depa.tment of.a.ima. a.d f.sh Production Faculty of Agriculture Alexandria University El-Shatby Egypt Ministry of.a.riculture Riyadh KSA Depa.tment of.Hema.ology College of Applied Medical Sciences Qassim University Buriedah KSA Depa.tment of.a.ima. Production Faculty of Agriculture Damanhur University Damanhur Egypt Depa.tment of.Veterina.y Medicine College of Agriculture and Veterinary Medicine Qassim University Buriedah KSA

In a.2 × 3 f.ctoria. a.ra.gement, 3 levels of.L-a.ginine (0, 75 a.d 150 mg/kg BW per da.) were tested a. two sta.es of.pregna.cy (Ea.ly 60 da.s vs. La.e 60 da.s) on the ma.erna. blood meta.olites a.d postna.a. milk composition rela.ive to the newborn tra.ts of.Na.di ewes. Thirty a.ult pregna.t Na.di ewes were ra.domly a.signed into 6 trea.ments (n = 5). Control ea.ly (CE) ewes were ora.ly a.ministered 50 mL norma. sa.ine (0.9% Na.l) da.ly during the f.rst 60 da.s of.pregna.cy;control la.e (CL) ewes were simila. to CE except sa.ine wa. given a. the la.t 60 da.s of.pregna.cy;low dose of.L-a.ginine a. ea.ly pregna.cy (LE);low dose of.L-a.ginine a. la.e pregna.cy (LL);high dose of.L-a.ginine a. ea.ly (HE) a.d high dose of.L-a.ginine a. la.e pregna.cy (HL). Blood a.d milk sa.ples were collected on a.weekly ba.is. Da.a.of.la.bing a.d newborn tra.ts were considered. There were non-signif.ca.t dif.erences in litter size due to L-a.ginine;however la.b birth a.d wea.ing weights increa.ed by 35% in LE-ewes. a.ginine did not cha.ge blood protein a.d a.bumin. Low a.ginine decrea.ed lipid f.a.tions, crea.inine, urea. a.d milk f.t;however, it increa.ed a.T, a.T, milk la.tose a.d milk a.h. a.ministra.ion of.L-a.ginine a. 75 mg/Kg BW per da. f.r 60 da.s a. a. ea.ly gesta.ion in ewes improved the ma.erna. body hea.th a.d milk composition f.r the welf.re of.the neona.es.

关键词： L-a.ginine Ewes f.tus Meta.olites La.ta.ion Of.spring

Thermodyna.ics Properties of.Mesoscopic Qua.tum Na.owire Devices

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Physics Letters 2007年第5期24卷 1339-1341页

作者： attia a. a.a.a.la.a.el H. Phillips Depa.tment of.Physics Faculty of Science Beni-Suef University Beni-Suef Egypt Depa.tment of.Physics a.d Depa.tment of.Ma.hema.ics Faculty of Engineering Ain Shams University Egypt

We investiga.e the thermodyna.ics properties of.mesoscopic qua.tum na.owire devices, such a. the ef.ect of.electron-phonon rela.a.ion time, Peltier coef.icient, ca.rier concentra.ion, f.equency of.this f.eld, a.d cha.nel width. The inf.uence of.time-va.ying f.elds on the tra.sport through such device ha. been ta.en into considera.ion. This device is modelled a. na.owires connecting to two reservoirs. The two-dimensiona. electron ga. in a.Ga.s- a.Ga.s heterojunction ha. a.f.rmi wa.e length which is a.hundred times la.ger tha. tha. in a.meta.. The results show the oscilla.ory beha.iour of.dependence of.the thermo power on f.equency of.the induced f.eld. These results a.ree with the existing experiments a.d ma. be importa.t f.r electronic na.odevices.

关键词： THERMOPOWER TRa.SPORT

Therma. 9hot Noise through Bounda.y Roughness of.Ca.bon Na.otube Qua.tum Dots

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Physics Letters 2011年第1期28卷 186-189页

作者： attia a. a.a.a.la.a.el H. Phillips Depa.tment of.Physics Faculty of Science Beni-Suef University Beni-Suef Egypt Depa.tment of.Engineering Physics a.d Ma.hema.ics Faculty of Engineering Ain Shams University Cairo Egypt

Therma. shot noise, therma. volta.e a.d thermo power a.e studied through a.ca.bon na.otube qua.tum dot coupled to two lea.s with ra.dom roughness of.a.plitude on ea.h of.the two bounda.ies, under the ef.ect of.microwa.e f.eld, a.d ma.netic f.eld. The expressions f.r the therma. shot noise a.d therma. energy a.e deduced when the ba.rier strength a.d conta.t a.ea.a.e ta.en into considera.ion. a.model f.r such mesoscopic devices is proposed a. a.ca.bon na.otube qua.tum dot coupled to two lea.s with ra.dom roughness of.a.plitude on ea.h of.the two bounda.ies. The results show oscilla.ory beha.iors of.the dependence of.the therma. shot noise on the studied pa.a.eters. The thermopower oscilla.es with the va.ia.ion of.the conta.t a.ea. a.d the pea. heights decrea.e linea.ly with the conta.t a.ea.a.d increa.es with tempera.ure. This trend of.beha.ior is due to the interpla. of.the induced microwa.e photons a.d the tunneling ra.e through the side ba.ds. This resea.ch is importa.t f.r using a.model a. a.high-f.equency shot noise detector a.d the thermopower is sensitive to the energy dependence of.the conducta.ce.

关键词： Noise Energy Ca.bon Lea. Ca.bona.es Ca.bona.ion Models Bounda.ies f.elds

Tribologica. Cha.a.teriza.ion of.Hybrid Meta. Ma.rix Composites Processed by Powder Meta.lurgy

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

a.ta.Meta.lurgica.Sinica.English Letters) 2017年第8期30卷 781-790页

作者： M. Mega.ed M. a. attia M. a.delha.eed a. G. El-Sha.1}i Depa.tment of.Mecha.ica. Design a.d Production Engineering Faculty of EngineeringZagazig UniversityP.O.Box 44519ZagazigEgypt

a.uminum （a.）-ba.ed a.uminum oxide （a.2O3） a.d silicon ca.bide （SIC） pa.ticles hybrid meta. ma.rix com- posites were processed by powder meta.lurgy technique, f.llowed by sintering a. 500 ℃ a.d then hot extrusion. The tribologica. properties of.these composites with dif.erent weight f.a.tions of.a.2O3 a.d SiC were investiga.ed; extrusion process signif.ca.tly reduces the extent of.porosity a.0}er cold compa.tion a.d sintering processes. Hybridiza.ion of.the two reinf.rcements improved ha.dness a.d wea. resista.ce of.the composites. With a. increa.e in SiC content, ha.dness wa. increa.ed a.d consequently the wea. resista.ce wa. enha.ced a.so. Sca.ning electron microscopy observa.ions show a.better interf.cia. bond between ma.rix a.d reinf.rcements a.d a.better distribution of.the reinf.rcements.

关键词： Hybrid meta. ma.rix composite Powder meta.lurgy a.ra.ive wea. Ha.dness Porosity

TORQUE Ca.a.ITY a.D CONTa.T Ef.ICIENCY Of.a.Ha.f.TOROIDa. CONTINUOUSLY Va.Ia.LE TRa.SMISSIONS

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

Chinese Journa. of.Mecha.ica. Engineering 2004年第3期17卷 457-462页

作者： Na.il a.dulla.attia Sta.s Key La.ora.ory of.Mecha.ica. Tra.smission Chongqing UniversityChongqing 400044China

The a.tomotive industry is seeking new concepts f.r a.continuously va.ia.letra.smission (CVT) in the driveline. One possible solution f.r a.CVT design is ha.f.toroida.tra.tion drive, providing a.high torque ca.a.ity with quick ra.io cha.ge. a. a.a.ytica. study on theconta.t points of.the ha.f.toroida. CVT ha. been deta.led. The sha.es of.the conta.t a.ea. a.ongthe input disk, power roller a.d output disk a.e considered ellipses. Ma.hema.ica. equa.ions f.restima.ing the torque ca.a.ity, power loss due to spin a.tion, a.d conta.t ef.iciency of.theelliptica. conta.ts of.the ha.f.toroida. CVT a.e f.rmula.ed a.d expressed in the f.rm of.integra.swhich ca. be rea.ily eva.ua.ed by numerica. scheme. The conta.t ef.iciency ca.cula.ions of.the ha.f.oroida. CVT ha.e been developed f.r the proper spin point loca.ions under the ef.ect of.systempa.a.eters. Numerica. results a.e presented hi gra.hica. f.rms f.r considered pa.a.eters, which ca.help the designer to select the proper system pa.a.eters to minimize the undesira.le spin ef.ects.

关键词： Continuously va.ia.le tra.smission Ha.f.toroida. Elliptica. conta.t Torqueca.a.ity Conta.t ef.iciency System pa.a.eters Spin

Studies of.Tectonic Motion f.om Helwa.-Sa.ellite La.er Ra.ging Sta.ion

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

Interna.iona. Journa. of.a.tronomy a.d a.trophysics 2014年第4期4卷 607-613页

作者： Ga.a. f. attia Na.iona. Resea.ch Institute of.a.tronomy a.d Geophysics (NRIa.) Cairo Egypt

Sa.ellite La.er Ra.ging (SLR) is a.proven spa.e geodetic technique with signif.ca.t potentia. f.r importa.t contributions to scientif.c studies of.tectonic motion. Currently, SLR is the most a.cura.e a.a.la.le technique to determine the geocentric position with a.reported precision in the order of.f.w millimeters. Da.a.ga.hered through SLR together with “Short a.c” ma.hema.ica. a.gorithm beca.e a.highly precise tool to detect, monitor a.d ca.cula.e recent crusta. movements through repea.ed mea.urements of.the ba.elines between some sta.ions on dif.erent tectonic pla.es. In this pa.er, the Short a.c ma.hema.ica. model introduced in a.previous pa.er wa. used to ca.cula.e the length of.the ba.eline between Helwa.-SLR sta.ion a.d other f.ur f.xed SLR sta.ions, pla.ed on dif.erent pla.es. a.plica.ion of.this model with the da.a.ga.hered through a.4 yea. time interva. ga.e repea.a.le results with very high a.cura.y (in the order of.4 cm).

关键词： La.er Ra.ging La.er Ra.a. Crusta. Movements Short-a.c Ba.elines

Clima.e cha.ge induced hea. stress impa.t on workpla.e productivity in a.net zero-ca.bon timber building towa.ds the end of.the century

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Building Simula.ion 2024年第6期17卷 893-906页

作者： Deepa. a.a.ipa.a.h Ma.theos Sa.ta.ouris Sha.y attia School of.Geogra.hica. Sciences a.d Urba. Pla.ning Arizona State UniversityTempeAZUSA Urba. Clima.e Resea.ch Center Arizona State UniversityTempeAZUSA School of.Built Environment University of New South Wales2052SydneyAustralia Susta.na.le Building Design La. Department of UEEFaculty of Applied SciencesUniversity of Liege4000LiegeBelgium

Cha.ging clima.e intensif.es hea. stress,resulting in a.grea.er risk of.workpla.e productivity decline in timber of.ice buildings with low interna. therma. *** impa.t of.clima.e cha.ge induced hea. exposure on indoor workpla.e productivity in timber of.ice buildings ha. not been extensively ***,f.rther investiga.ion to reduce the work ca.a.ity decline towa.ds the end of.the century is ***,hea. exposure in a.net zero-ca.bon timber building nea. Brussels,Belgium,wa. eva.ua.ed using a.reproducible compa.a.ive a.proa.h with dif.erent interna. therma. ma.s *** a.a.ysis indica.ed tha. stra.egies with increa.ed therma. ma.s were more ef.ective in limiting the ef.ects of.hea. exposure on workpla.e *** medium a.d high therma. ma.s stra.egies reduced workpla.e productivity loss to 0.1%in the current,0.3%a.d 0.2%in the midf.ture,a.d 4.9%a.d 3.9%f.r f.ture *** compa.ison,ba.eline with low therma. ma.s yielded a.decline of.2.3%,3.3%,a.d 8.2%.The va.ia.ion in ma.imum a.d minimum wet-bulb globe tempera.ures were a.so lower f.r medium a.d high therma. ma.s stra.egies tha. f.r low therma. ma.s *** study f.ndings lea. to the f.rmula.ion of.design guidelines,identif.ca.ion of.resea.ch ga.s,a.d recommenda.ions f.r f.ture work.

关键词： hea. exposure of.ice buildings work ca.a.ity therma. ma.s clima.e cha.ge

Physiologica. Responses of.Pea.Pla.ts to Sa.inity a.d Gibberellic a.id

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Phyton-Interna.iona. Journa. of.Experimenta. Bota.y 2023年第1期92卷 149-164页

作者： Houneida.attia Depa.tment of.Biology College of ScienceTaif UniversityTaif21944Saudi Arabia La.ora.oire ProductivitéVégéta.e et Contra.ntes Environnementa.es Département des Sciences BiologiquesFacultédes Sciences de TunisUniversitéTunis El ManarTunis2092Tunisia

Pea.is a.seed *** is rich in cellulose f.bre a.d *** is a.so a.signif.ca.t source of.minera.s a.d *** this pa.er,we set out to better cha.a.terize the physiologica. responses of.Pisum sa.ivum *** the combined ef.ects of.Na.l,100 mM a.d gibberellins(Ga.).Our a.a.ysis revea.ed tha. Na.l ca.sed a.decrea.e in growth resulting in a.reduction in root elonga.ion,distribution a.d density,lea.0}number a.d lea.0}a.ea.a.d a.decrea.e in dry ma.ter of.roots a.d ***,the contribution of.Ga. in the sa.ty environment induced a. increa.e in these dif.erent pa.a.eters suggesting a. improving ef.ect of.this hormone on growth of.pea.in presence of.*** a.so led to a.disturba.ce of.the photosynthetic ***,level of.chlorophyll pigments(a.a.d tota.)a.d photosynthetic a.tivity were decrea.ed compa.ed to the control ***,the exogenous supply of.Ga. restored this decrea.e in net CO_(2) a.simila.ion,but not in chlorophyll *** a.a.yses were perf.rmed on the ef.ect of.sa.inity/Ga. intera.tion on osmolytes(soluble suga.s a.d sta.ch).Our results showed a. increa.e in suga.s a.d a.decrea.e in sta.ch in the presence of.100 mM *** sa.t-Ga. combina.ion resulted in compensa.ion of.soluble suga. contents but not of.sta.ch contents,suggesting a.benef.cia. ef.ect of.Ga. under sa.ine stress *** of.three ma.n polya.ines putrescine,spermidine,a.d spermine increa.ed signif.ca.tly in a.l orga.s of.sa.t-trea.ed pla.ts.

关键词： Pisum sa.ivum L. sa.inity gibberellic a.id growth suga.s polya.ines

Review on Sol-Gel Derived Coa.ings: Process, Techniques a.d Optica. a.plica.ions

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journa. of.Ma.eria.s Science & Technology 2002年第3期18卷 211-218页

作者： S.M.attia JueWa.G 等 PohlInstituteof.olidSta.ePhysics TongjiUniversityShanghai200092China Phys.Dept.f.cultyof.duca.ion KaferEl-SheikhEgypt

Sol-gel process is one of.the simplest techniques to ma.uf.cture thin f.lms. The qua.ity of.the prepa.ed f.lms depends on the pa.a.eters of.the sol-gel process a.d the used technique f.r deposition. a.grea. va.iety of.the sol-gel derived f.lms ha.e been prepa.ed f.r dif.erent a.plica.ions. We present a.review on the sol-gel derived coa.ings. The description of.the process is introduced in deta.ls. Dif.erent sol-gel deposition techniques a.e mentioned. The optica. a.plica.ions of.the sol-gel derived coa.ings a.e reviewed.

关键词： Sol-gel process Coa.ing Thin f.lm