检索结果-南通市图书馆

a.ta.Mecha.ica.Solida.Sinica 2022年第3期35卷 527-540页

作者： M.Sheikhlou F.Sa.eghi S.najafi H.a.imloo Depa.tment of Engineering Sciences Faculty of Advanced TechnologiesUniversity of Mohaghegh ArdabiliNaminIran Mecha.ica. Engineering Depa.tment Urmia UniversityUrmiaIran Guila.ma Inc.Anzali Free ZoneGuilanIran

In na.oresona.ors,thermoela.tic da.ping(TED)is a.prima.y energy dissipa.ion *** a.result,when designing na.oresona.ors,it is critica. to limit this type of *** pa.er investiga.es the nonloca. TED of circula. single-la.ered gra.hene sheet(SLGS)na.oresona.ors in a.isymmetric out-of-pla.e vibra.ion utilizing the genera.ized dua.-pha.e-la. thermoela.ticity *** nonloca. ela.ticity a.d Gurtin-Murdoch surfa.e ela.ticity theories a.e employed to ca.ture the sma.l-sca.e a.d surfa.e energy effects,*** incorpora.ing these effects into the model,the non-cla.sica. equa.ions of the coupled thermoela.tic problem a.e first obta.ned a.d then a. a.a.ytica. expression is introduced to predict TED in circula. ***,the results obta.ned herein a.e va.ida.ed by those of the cla.sica. continuum theory which ca. be found in the open *** influences of the a.pect ra.io,surfa.e ela.tic modulus,surfa.e residua. stress a.d nonloca. pa.a.eter on TED of circula. SLGS na.oresona.ors a.e investiga.ed using numerica. *** ca.cula.ed results show the significa.ce of surfa.e a.d nonloca. effects in na.opla.e TED continuum modeling.

关键词： Thermoela.tic da.ping Dua.-pha.e-la. Single-la.ered gra.hene sheet Surfa.e energy effects

DNa.free genome editing in gra.evine using CRISPR/Ca.9 ribonucleoprotein complexes followed by protopla.t regenera.ion

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

Horticulture Resea.ch 2023年第1期10卷 183-192页

作者： Sa.a.eh najafi Edoa.do Bertini Erica.D’Incà Ma.ia.na.Fa.oli Sa.a.Zenoni Depa.tment of Biotechnology University of Verona37134 VeronaItaly

CRISPR/Ca.9 genome editing technology ca. overcome ma.y limita.ions of tra.itiona. breeding,offering enormous potentia. for crop improvement a.d food *** the direct delivery of Ca.9-single guide RNa.sgRNa.ribonucleoprotein(RNP)complexes to gra.evine(Vitis vinifera.protopla.ts ha. been shown before,the regenera.ion of edited protopla.ts into whole pla.ts ha. not been ***,we describe a. efficient a.proa.h to obta.n tra.sgene-free edited gra.evine pla.ts by the tra.sfection a.d subsequent regenera.ion of protopla.ts isola.ed from embryogenic *** proof of concept,a.single-copy green f luorescent protein reporter gene(GFP)in the gra.evine cultiva. Thompson Seedless wa. ta.geted a.d knocked out by the direct delivery of RNPs to ***/Ca.9 a.tivity,guided by two independent sgRNa.,wa. confirmed by the loss of GFP f *** regenera.ion of GFP−protopla.ts into whole pla.ts wa. monitored throughout development,confirming tha. the edited gra.evine pla.ts were compa.a.le in morphology a.d growth ha.it to wild-type *** report the first highly efficient protocol for DNa.free genome editing in gra.evine by the direct delivery of prea.sembled Ca.9-sgRNa.RNP complexes into protopla.ts,helping to a.dress the regula.ory concerns rela.ed to genetica.ly modified *** technology could encoura.e the a.plica.ion of genome editing for the genetic improvement of gra.evine a.d other woody crop pla.ts.

关键词： complexes fir editing

Sediment contribution from different geologic forma.ions a.d la.d uses in a. Ira.ia. sma.l wa.ershed,ca.e study

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

Interna.iona. Journa. of Sediment Resea.ch 2017年第2期32卷 210-220页

作者： Seyed Ha.idreza.Sa.eghi Sa.ed najafi a.ireza.Riya.i Ba.htia.i Depa.tment of Wa.ershed Ma.a.ement Engineering Faculty of Natural ResourcesTarbiat Modares University Depa.tment of Environmenta. Sciences Faculty of Natural ResourceTarbiat Modares University

Ma.y intra.a.d extra.problems occurred due to unsusta.na.le huma. use of na.ura. resources lea.ing to increa.ing sediment loa.s in the ***,few studies ha.e been comprehensively conducted in progressing countries to prioritize sediment sources from different points of views,pa.ticula.ly in some countries like Ira. where such va.ua.le informa.ion is essentia. for proper wa.ershed resources *** present study wa. therefore pla.ned to a.sess the importa.ce of potentia. sediment sources viz.,spa.ia. sources(geologic units) a.d source types(la.d use units) in sediment yield in Idelo wa.ershed a. one of the importa.t sub-wa.ersheds of Sefidrood la.ge Wa.ershed in Za.ja. Province,Ira.,using composite *** a.dition,the results of the sediment fingerprinting a.proa.h were compa.ed with those of field mea.urement da.a.obta.ned from studying soil erosion types(viz.,sheet,rill a.d gully erosion).Towa.d this a.tempt,16 tra.ers were detected in different geologic units a.d la.d uses a.d the sediment yielded a. the wa.ershed *** results showed tha. the composite fingerprints of the different geologic units comprising a.,N,Cu,Zn,OC a.d Co tra.ers could correctly distinguish 86% of the sediment source *** red gypsiferous ma.l contributed 85 percent in sediment *** rega.d to source types,the optimum composite fingerprint encompa.sed only N a.d Cu a.d provided a.discrimina.ory efficiency of 90%.Besides tha.,the ra.gela.ds with 48.8% study a.ea.covera.e ha. a.significa.t contribution of 88% in sediment *** field mea.urements confirmed the relia.ility of results of fingerprinting a.proa.h in a.portioning wa.ershed sca.e sediment sources on the ba.e of consistency of the two sets of *** wa. a.so understood from the results,besides successful a.plica.ility of composite fingerprinting in a.sessing the provena.ce of the sediment yielded a. the wa.ershed outlet tha. the geologic forma.ions a.d la.d use types pla.ed differe

关键词： Composite fingerprinting Multiva.ia.e mixing model Soil erosion Spa.ia. sources Source types

a.green a.d efficient deoxima.ion using H_2O_2 ca.a.yzed by montmorillonite-K10 supported CoCl_2

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Chinese Chemica. Letters 2007年第12期18卷 1451-1454页

作者： a.i Eza.a.i Ghola. Reza.najafi Moha.med M.Ha.hemi Depa.tment of Chemistry Central Tehran Branch Depa.tment of Chemistry Science and Research BranchIslamic Azad UniversityTehranIran Depa.tment of Chemistry Sharif University of TechnologyP.O.Box 11365-9516TehranIran

Oximes were oxidized to the corresponding ca.bonyl compounds in good to high yields by environmenta.ly friendly a.d green oxida.t, H202 ca.a.yzed by montmorillonite K-10 supported coba.t（Ⅱ） chloride.

关键词： Green deoxima.ion system Hydrogen peroxide Montmorillonite K-IO Coba.t(II) chloride

Two-Dimensiona. Tra.sition Meta. Oxide a.d Cha.cogenide-Ba.ed Photoca.a.ysts

在线全文

学校读者我要写书评

暂无评论

Na.o-Micro Letters 2018年第2期10卷 40-66页

作者： Fa.ja.a.Ha.ue Torben Da.neke Kourosh Ka.a.ta.-zadeh Jia. Zhen Ou School of Engineering RMIT University

Two-dimensiona.(2D) tra.sition meta. oxide a.d cha.cogenide(TMO&C)-ba.ed photoca.a.ysts ha.e recently a.tra.ted significa.t a.tention for a.dressing the current worldwide cha.lenges of energy shorta.e a.d environmenta. pollution. The ultra.igh surfa.e a.ea.a.d unconventiona. physiochemica., electronic a.d optica. properties of 2D TMO&Cs ha.e been demonstra.ed to fa.ilita.e photoca.a.ytic a.plica.ions. This review provides a.concise overview of properties, synthesis methods a.d a.plica.ions of 2D TMO&C-ba.ed photoca.a.ysts. Pa.ticula. a.tention is pa.d on the emerging stra.egies to improve the a.ilities of light ha.vesting a.d photoinduced cha.ge sepa.a.ion for enha.cing photoca.a.ytic performa.ces,which include elementa. doping, surfa.e functiona.iza.ion a. well a. heterojunctions with semiconducting a.d conductive ma.eria.s. The future opportunities rega.ding the resea.ch pa.hwa.s of 2D TMO&C-ba.ed photoca.a.ysts a.e a.so presented.

关键词： Hydrogen evolution rea.tion Polluta.t degra.a.ion Wa.er splitting La.ered ma.eria. Sola. Ca.bon reduction

Va.ida.ion of nutritiona. risk index method a.a.nst pa.ientgenera.ed subjective globa. a.sessment in screening ma.nutrition in colorecta. ca.cer pa.ients

在线全文

学校读者我要写书评

暂无评论

Chinese Journa. of Ca.cer Resea.ch 2013年第5期25卷 544-548页

作者： Elna. Fa.a.a.zi Reza.Ma.da.i Moha.ma. Moha.ma.-zadeh Behna. Na.irimotla.h Student resea.ch committee Tabriz University of Medical Sciences Nutrition Resea.ch Center Tabriz University of Medical Sciences Depa.tment of Ra.iothera.y Imam Khomeini HospitalTabriz University of Medical Sciences

Objective：To va.ida.e ma.nutrition screening tool of nutrition risk index （NRI） a.a.nst pa.ent-genera.ed subjective globa. a.sessment （PG-SGa. a. a.gold sta.da.d tool in colorecta. ca.cer pa.ients before ***：Nutritiona. sta.us of 52 volunteer colorecta. ca.cer pa.ients with a.mea. a.e of 54.1±16.8 yea.s who referred to ra.iothera.y center were a.sessed by PG-SGa.（gold sta.da.d method） a.d *** a.bumin levels of pa.ients were determined by colorimetric method.a.contingency ta.le wa. used to determine the sensitivity,specificity,a.d predictive va.ue of the NRI in screening pa.ients a. risk of ma.nutrition,in compa.ison with the PG-SGa.in pa.ients before ***：The findings of PG-SGa.a.d NRI showed tha. 52％ a.d 45％ of pa.ients in our study were modera.ely or severely ma.nourished *** NRI ha. a.sensitivity of 66％ a.d a.specificity of 60％ a.a.nst *** positive predictive va.ue wa. 64％ a.d the nega.ive predica.ive va.ue wa. 62％.The a.reement between NRI a.d PG-SGa.wa. sta.istica.ly insignifica.t （ka.pa.=0.267; P＞0.05）.Conclusions：The findings of present study showed tha. the preva.ence of ma.nutrition wa. high in pa.ients with colorecta. ***,NRI method ha. low sensitivity a.d specificity in a.sessing nutritiona. sta.us of pa.ients with *** seems tha. the combina.ion of a.thropometric,la.ora.ory pa.a.eters a.d a.subjective scoring system ma. be helpful tools in screening of ma.nutrition in ca.cer pa.ients.

关键词： Colorecta. ca.cer pa.ients ma.nutrition pa.ient-genera.ed subjective globa. a.sessment nutrition risk index (NRI)

Coordina.ed a.d uncoordina.ed design of LFO da.ping controllers with IPFC a.d PSS using ICa.a.d SFLA

在线全文

学校读者我要写书评

暂无评论

Journa. of Centra. South University 2015年第9期22卷 3418-3426页

作者： Ma.di Toupchi Khosrosha.i Fa.ha. Moha.el Ka.emi Moha.ma. Reza.Ja.na.i Oskuee Sa.a. najafi-Ra.a.a.egh Sma.t Distribution Grid Resea.ch La.. Electrical Engineering Department Azarbaijan Shahid Madani University

a.single ma.hine-infinite-bus(SMIB) system including the interline power flow controllers(IPFCs) a.d the power system sta.ilizer(PSS) controller is a.dressed. The linea.ized system model is considered for investiga.ing the intera.tions a.ong IPFC a.d PSS controllers. To improve the sta.ility of whole system a.a.n different disturba.ces, a.lea.-la. controller is considered to produce supplementa.y signa.. The proposed supplementa.y controller is implemented to improve the da.ping of the power system low frequency oscilla.ions(LFOs). Imperia.ist optimiza.ion a.gorithm(ICa. a.d shuffled frog lea.ing a.gorithm(SFLa. a.e implemented to sea.ch for optima. supplementa.y controllers a.d PSS pa.a.eters. Moreover, singula. va.ue decomposition(SVD) method is utilized to select the most effective da.ping control signa. of IPFC lea.-la. controllers. To eva.ua.e the system performa.ce, different opera.ing conditions a.e considered. Reponses of system in five modes including uncoordina.ed a.d coordina.ed modes of IPFC a.d PSS using ICa.a.d SFLa.a.e studied a.d compa.ed. Considering the results, response of system without controller shows the highest overshoot a.d the longest settling time for rotor a.gel a. the different opera.ing conditions. In this mode of system, rotor speed ha. the highest overshoot. Rotor a.gel in the system with only PSS includes lower overshoot a.d oscilla.ion tha. system without controller. When PSS is only implemented, rotor speed devia.ion ha. the longest settling time. Rotor speed devia.ion in the uncoordina.ed mode of IPFC a.d PSS shows lower overshoot tha. system with only PSS a.d without controller. It is noticea.le tha. in this mode, rotor a.gel ha. higher overshoot tha. system with only PSS. The superiority of the suggested ICa.ba.ed coordina.ed controllers is obvious compa.ed with SFLa.ba.ed coordina.ed controllers a.d other system modes. Responses of coordina.ed PSS a.d IPFC SFLa.ba.ed supplementa.y controllers include higher pea. a.plitude a.d l

关键词： interline power flow controller(IPFC) controller imperia.ist competitive optimiza.ion a.gorithm power system sta.ilizer(PSS)

Mecha.ica. Properties of V-,Nb-,a.d Ti-bea.ing a.-ca.t Microa.loyed Steels

在线全文

学校读者我要写书评

暂无评论

Journa. of Ma.eria.s Science & Technology 2007年第6期23卷 779-784页

作者： J.Ra.sizadehgha.i H.najafi M.Ema.y G.Esla.i-Sa.en School of Meta.lurgy a.d Ma.eria.s Engineering University College of EngineeringUniversity of TehranP.O.Box 14395-731TehranIran

The influence of microa.loying a.ditions on the mecha.ica. properties of a.low-ca.bon ca.t steel conta.ning combina.ions of V, Nb, a.d Ti in the a.-ca.t condition wa. eva.ua.ed. Tensile a.d ha.dness test results indica.ed tha. good combina.ions of strength a.d ductility could be a.hieved by V a.d Nb a.ditions. While the yield strength a.d UTS （ultima.e tensile strength） increa.ed up to the ra.ge of 378-435 MPa.a.d 579- 590 MPa. respectively in the microa.loyed hea.s, their tota. elonga.ion ra.ged from 18% to 23%. The presence of Ti, however, led to some reduction in the strength. Microstructura. studies including sca.ning electron microscopy （SEM） a.d optica. microscopy revea.ed tha. coa.se TiN pa.ticles were responsible for this beha.ior. The Cha.py impa.t va.ues of a.l compositions indica.ed tha. microa.loying a.ditions significa.tly decrea.ed the impa.t energy a.d led to the domina.ce of clea.a.e fa.ets on the fra.ture surfa.es. It seems tha. the increa.e in the ha.dness of coa.se ferrite gra.ns due to the precipita.ion ha.dening is the ma.n rea.on for brittle fra.ture.

关键词： Ca.t steel Microa.loyed steel Tita.ium Niobium Va.a.ium

Pha.ma.ologica. a.tivity of Mentha.longifolia.a.d its phytoconstituents

在线全文

学校读者我要写书评

暂无评论

Journa. of Tra.itiona. Chinese Medicine 2017年第5期37卷 710-720页

作者： Moha.ma. Hosein Fa.za.i Rooda.eh Ba.ra.solta.i a.i Ghoba.i Fa.emeh Fa.za.i Fa.iba.najafi Medica. Biology Resea.ch Center Kermanshah University of Medical Sciences Kermanshah *** Iran Pha.ma.eutica. Sciences Resea.ch Center Kermanshah University of Medical Sciences Kermanshah *** Iran Depa.tment of Tra.itiona. Pha.ma.y School of Traditional Medicine Tehran University of Medical Sciences Tehran *** Iran School of Tra.itiona. Medicine Iran University of Medical Sciences Tehran *** Iran Kerma.sha. University of Medica. Sciences Kermanshah *** Iran

Current pa.er reviews the pha.ma.ologica. a.tivities, thera.eutic indica.ions a.d phytochemica.s of M. longifolia. This herb ha. been consumed tra.itiona.ly for the trea.ment of va.ious disea.es, including ga.trointestina. disorders, respira.ory disorders, infectious disea.es, infla.ma.ory disea.es, a. well a. menstrua. disorders. In the modern era. va.ious pha.ma.ologica. a.tivities ha.e been confirmed for M. longifolia. such a. a.ti-pa.a.itic, a.timicrobia., a.ti-insect, a.timuta.enic, a.tinociceptive, a.ti-infla.ma.ory, a.tioxida.t, kera.oprotective, hepa.oprotective, a.ti-dia.rhea. a.d spa.molytic effects. The pla.t showed thera.eutic benefits in irrita.le bowel syndrome, a.enorrhea.a.d oligomenorrhea. a.d oxida.ive stress-a.socia.ed disea.es a. well. a.va.t va.iety of na.ura. components such a. fla.onoids, phenolic a.ids, cinna.a.es, cera.ides, sesquiterpenes, terpenes, a.d terpenoids ha.e been suggested to be responsible for the pha.ma.ologica. a.tion of M. longifolia. These na.ura. products ca. be considered a. novel medicina. sources for developing new drugs. Further investiga.ions to explore thera.eutic effica.y, tolera.ility,a.d pha.ma.eutica. properties of M. longifolia.phytochemica. a.ents a.e recommended.

关键词： Mentha.Phytochemica.s Ethnopha.ma.ology Review

Long-term cha.coa.-induced cha.ges to soil properties in tempera.e regions of northern Ira.

在线全文

学校读者我要写书评

暂无评论

Journa. of Forestry Resea.ch 2019年第3期30卷 1063-1071页

作者： Fa.emeh Fa.hih Mosta.a.Ema.i Fa.din Sa.egh-zadeh Moha.ma. a.i Ba.ma.ya. Depa.tment of Soil Sciences Sari University of Agricultural Sciences and Natural Resources

The long-term performa.ce a.d benefits of cha.coa. a.plica.ion on the ca.bon sequestra.ion a.d properties of forest soils in tempera.e or non-tropica. regions ha. not been studied in deta.l in spite of its importa.t role in globa. wa.ming. This study wa. conducted to describe the long-term cha.coa.-induced cha.ges in orga.ic ca.bon (OC) content a.d other soil properties of tempera.e deciduous forests in Ma.a.da.a. province, northern Ira.. Three sites were sa.pled to collect composite soil sa.ples from two depths (0–20 a.d 20–40 cm) inside a.d outside of a.plot of cha.coa.-enriched soils surrounding a.historica. cha.coa. production site (a.a.doned for more tha. 120 yea.s). The presence of cha.coa. in soils for a.out 120 yea.s eleva.ed significa.tly the bla.k ca.bon, tota. OC, na.ura. soil OC, tota. nitrogen, dissolved orga.ic ma.ter, soil OC density, excha.gea.le ba.es, sa.ura.ed hydra.lic conductivity, a.a.la.le wa.er ca.a.ity a.d a.a.la.le Fe, Mn a.d Zn compa.ed to the a.ja.ent reference soils. Ca.ion excha.ge ca.a.ity (CEC) a.d pH were 15.5 cmolc kg^-1 a.d 0.5 units, respectively, higher tha. the a.ja.ent reference soils a. 0–20 cm soil depth. However, electrica. conductivity (EC), bulk density a.d a.a.la.le Cu were higher in the a.ja.ent reference soil. The a.ed cha.coa. ha. no significa.t effect on the microbia. respira.ion ra.e of studied soils. The results of this study provide new insights a.d strong support for the long-term benefits of biocha. a.plica.ion a. a.ma.a.ement stra.egy for improving soil productivity a. well a. sequestering la.ge qua.tities of dura.le ca.bon in soils of the region a.d mitiga.ing globa. wa.ming.

关键词： Biocha. Bla.k ca.bon Forest soils Luvisols Tempera.e clima.e Terra preta