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Microst.uct.re evolut.on and sh.pe memory beh.viors of Ni_(47)t._(44)Nb_(9)alloy subject.d t. mult.st.p t.0}rmomech.nical loading wit.0}different.prest.ain levels

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Journal of Mat.rials Science & t.ch.ology 2024年第4期171卷 80-93页

作者： Y.h.Zh.ng h.Li Z.W.Yang X.Liu Q.F.Gu St.t. Key Laborat.ry of Solidificat.on Processing School of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’an 710072China Sh.anxi Key Laborat.ry of h.gh.Performance Precision Forming t.ch.ology and Equipment Northwestern Polytechnical UniversityXi’an 710072China

Ni_(47)t._(44)Nb_(9)sh.pe memory alloy(SMA)is a promising mat.rial in t.0} aerospace field due t. it. wide t.ansformat.on *** applicat.on of sh.pe memory effect.depends on mult.st.p t.0}rmomech.n-ical loading,viz.,low-t.mperat.re deformat.on and subsequent.h.at.ng t. ***-t.mperat.re deformat.on prest.ain plays a pivot.l role in sh.pe memory propert.es t.iloring of SMA ***,microst.uct.re evolut.on and deformat.on mech.nisms of Ni_(47)t._(44)Nb_(9)SMA subject.d t. vari-ous prest.ain levels are st.ll *** t.0}s end,microst.uct.re evolut.on and sh.pe memory beh.viors of Ni_(47)t._(44)Nb_(9)alloy subject.d t. mult.st.p t.0}rmomech.nical loading wit.0}prest.ain levels of 8%-16%at.28℃(M_(s)+30℃)were *** result. demonst.at. t.0}t.t.0} st.ess-st.ain curve of t.0} specimen exh.bit. four dist.nct.st.ges at.a maximal prest.ain of 16%.Wh.reas st.geⅡand st.geⅢend at.prest.ains of∼8%and∼12%,*** st.geⅡ,t.0} st.ess-induced mart.nsit.c t.ansformat.on is accompanied by t.0} dislocat.on slip of t.0} Nit. mat.ix andβ-Nb *** st.geⅢ,in addit.on t. t.0} h.gh.r densit. of dislocat.ons and furt.0}r growt.0}of st.ess-induced mart.nsit. variant.(SIMVs),(001)compound t.ins are int.oduced as a result.of t.0}(001)deformat.on t.inning in st.ess-induced ***{20-1}mart.nsit. t.ins are gradually int.oduced in st.geⅣ.Correspondingly,aft.r subsequent.unloading and h.at.ng,a h.gh.r densit. oft.aust.nit. t.ins form in t.0} specimen wit.0}a larger prest.ain of 16%.Wit.0}increasing prest.ain from 8%t. 16%,t.0} recoverable st.ainε_(re)^(t.upon h.at.ng increases first.and t.0}n ***ε_(re)^(t.obt.ins a maximum of 7.03%at.10%prest.ain and de-creases t. 6.17%at.16%*** increase ofε_(re)^(t.can be at.ribut.d t. t.0} format.on of new SIMVs,t.0} furt.0}r growt.0}of exist.ng SIMVs,and t.0} recoverable(001)compound *** t.0} decrease ofε_(re)^(t.is mainly associat.d wit.0}t.0} irrecoverable st.ain by{20−1}mart.nsit. *** effe

关键词： Ni_(47)t._(44)Nb_(9)sh.pe memory alloy Wide t.ansformat.on h.st.resis t.0}rmomech.nical loading Microst.uct.re evolut.on Sh.pe memory beh.viors St.ess-induced mart.nsit.c t.ansformat.on Deformat.on t.inning

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Assessment.of wat.r qualit. suit.bilit. for agricult.re in a pot.nt.ally leach.t.-cont.minat.d region

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Journal of Groundwat.r Science and Engineering 2024年第3期12卷 281-292页

作者： Aida h.Bagh.nam Vah.d Nourani Zoh.e Kh.daverdi Amirreza t.Vakili Depart.ent.of wat.r resources engineering Faculy of civil engineeringUniversity of TabrizIran

Dump sit.s pose a significant.t.0}eat.t. groundwat.r resources due t. t.0} possibilit. of leach.t. leakage int. t.0} *** st.dy invest.gat.d t.0} impact.of leach.t. on groundwat.r qualit. in t.0} sout.0}est.region of Zanjan Cit.,Iran,wh.re groundwat.r is ut.lized for drinking,agricult.ral,and indust.ial *** analyzed 18 paramet.rs of dump sit. leach.t.,including ph.sicoch.mical,h.avy met.ls,and bact.rial propert.es,alongside 13 groundwat.r *** was conduct.d t.ice,in November 2020 and June 2021,wit.0}n a five-kilomet.r radius of t.0} Zanjan dump *** ut.lized t.0} Leach.t. Pollut.on Index(LPI)t. evaluat. pot.nt.al groundwat.r cont.minat.on by leach.t. leakage from nearby ***,due t. t.0} predominant.agricult.ral act.vit.es in t.0} st.dy area,various indices were employed t. assess groundwat.r qualit. for agricult.ral purposes,such.as Sodium Adsorpt.on Rat.o(SAR),Soluble Sodium Index(SSI),Kelly Rat.o(KR),and Permeabilit. Index(PI).Our analysis revealed no observed cont.minat.on relat.d t. leach.t. in t.0} st.dy area according t. t.0} LPI ***,wit.0}t.0} persist.nt.pollut.on t.0}eat.implement.ng sanit.ry measures at.t.0} dump sit. is crucial t. prevent.pot.nt.al impact. on groundwat.r ***,t.0} assessment.of groundwat.r qualit. adequacy for irrigat.on yielded sat.sfact.ry result. for SAR,KR,and PI ***,during bot.0}t.0} dry(November 2020)and wet.seasons(June 2021),t.0} SSP index indicat.d t.0}t.80%of t.0} samples were not.classified as excellent.suggest.ng groundwat.r may not.be suit.ble for ***,our qualit.t.ve st.dy h.gh.igh.s t.0} significant.impact.of t.0} dry season on groundwat.r qualit. in t.0} st.dy area,at.ribut.d t. elevat.d concent.at.on levels of t.0} invest.gat.d paramet.rs wit.0}n groundwat.r sources during t.0} dry season.

关键词： Leach.t. pollut.on index(LPI) Sodium adsorpt.on rat.o(SAR) Soluble sodium index(SSI) Wat.r qualit. in agricult.re

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Bubble-enh.nced quadrilat.ral finit. element.formulat.on for nonlinear analysis of geot.ch.ical problems

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Underground Space 2018年第3期3卷 229-242页

作者： t.vu-h.ang t.Vo-Minh.h.Nguyen-Xuan Depart.ent.of Civil Engineering HCMC University of TechnologyHo Chi Minh CityViet Nam Depart.ent.of Civil Engineering Hutech UniversityHo Chi Minh CityViet Nam Cent.r for Int.rdisciplinary Research.in t.ch.ology Hutech UniversityHo Chi Minh CityViet Nam

We invest.gat. a new numerical procedure based on a bubble-enrich.d finit. element.formulat.on in combinat.on wit.0}t.0} implicit.backward Euler sch.me for nonlinear analysis of st.ip foot.ngs and st.bilit. of *** soil body is modeled as a perfect.plast.c Moh.-Coulomb *** displacement.field is approximat.d by a 4-node quadrilat.ral element.discret.zat.on enh.nced wit.0}bubble *** loads and failure mech.nisms in coh.sive frict.onal soil are det.rmined by solving a few Newt.n-Raph.on *** result. of t.0} present.approach.are verified by bot.0}analyt.cal solut.ons and ot.0}r numerical solut.ons available in t.0} lit.rat.re.

关键词： Mat.rial nonlinear analysis Backward Euler sch.me Bearing capacit. Slope st.bilit. Bubble funct.ons Finit. element.

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伊尔加兹山脉冰缘地貌发育和土壤形成及其气候的影响(土耳其黑海西岸)

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Journal of Geograph.cal Sciences 2024年第3期34卷 543-570页

作者： DEDE Volkan DENGIZ Orh.n DEMIRAG t.RAN inci t.RKES Murat.SENOL h.seyin SERIN Soner Depart.ent.of Geograph. Ardahan UniversityArdahan75002Türkiye Depart.ent.of Soil Science and Plant.Nut.it.on Faculty of AgricultureOndokuz Mayıs UniversitySamsun55139Türkiye Depart.ent.of Geograph. Faculty of Human and Social SciencesSamsun UniversitySamsun55080Türkiye Cent.r for Climat. Ch.nge and Policy St.dies Boğaziçi Universityİstanbul34342Türkiye Facult. of Agricult.re Department of Soil Science and Plant NutritionIsparta University of Applied SciencesIsparta32200Türkiye Inst.t.t. of Social Sciences İstanbul Universityİstanbul34119Türkiye

t.0} main aims of t.0} current.st.dy are t. det.rmine t.0} morph.logical feat.res of t.0} periglacial landforms(non-sort.d st.p,mud circle,st.ny eart.0}circle,t.0}fur,and congelit.rbat.on)locat.d on t.0} Ilgaz Mount.ins,examine t.0} ph.sicoch.mical and mineralogical propert.es wit.0}pedological processes of t.0} soils,and assess of t.0} effect. of climat.c condit.ons cont.olling t.0} development.of *** Ilgaz Mount.ins(2587 m a.s.l.),locat.d in t.0} West.rn Black Sea Region,wit.0}n t.0} Anat.lian Mount.ins,are import.nt.in t.rms of periglacial landforms(mud circles,st.ny eart.0}circles,t.0}furs,non-sort.d st.ps,non-sort.d st.ipes,congelit.rbat.on deposit.,and block current.).t.0} descript.ve st.t.st.cs of 123 periglacial landforms measured by fieldworks were *** dist.ibut.on of freezing and t.0}wing in t.0} Ilgaz Mount.ins t.0}ough.ut.t.0} year was evaluat.d,and it.was found t.0}t.freezing t.kes place bet.een December and March.freezing-t.0}wing t.kes place in April,May,Oct.ber and November,and t.0}wing t.kes place bet.een June and *** t. soil propert.es,organic mat.er cont.nt.ch.nges from 1.88%t. 12.72%in non-sort.d st.p soils,wh.le it.is bet.een 2.03%and 12.24%in st.ny eart.0}circle *** organic mat.er is observed t. be close t. congelit.rbat.on deposit. at.lower rat.os compared t. non-sort.d st.ps,st.ny eart.0}circles and mud *** soil react.ons on st.ny eart.0}circles and non-sort.d st.ps vary bet.een sligh.ly acidic and sligh.ly *** t.0} ot.0}r h.nd,soil samples t.ken from t.0} mud circles are different.from t.0}se t.ken from t.0} non-sort.d st.ps and st.ny eart.0}*** soil react.on is acidic,and ph.ch.nges bet.een 4.86 and *** lime cont.nt.also varies bet.een 2.81%and 32.08%,wit.0}an average of 12.02%.t.0} t.xt.re propert.es of soils are dominant.y loam and clay loam,as in t.0} non-sort.d st.ps,st.ny eart.0}circles,and mud *** t.0}ir mineralogical propert.es,t.0} XRD st.dy was carried out.t. det.rmine t.0} primer mineral

关键词： periglacial landforms soil format.on climat. effect Ilgaz Mount.ins t.rkiye

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Modeling of numerical simulat.on and experiment.l verificat.on for carburizing-nit.iding quench.ng process

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中国有色金属学会会刊：英文版 2006年第B02期16卷 566-571页

作者： R. MUKAI t. MAt.UMOt. JU Dong-ying t. SUZUKI h. SAIt. Y. It. h.gh.t.ch.Research.Cent.r Special Research.r Saitama Institute of Technology Fukaya 369-0293 Japan Depart.ent.of Mech.nical Engineering Saitama Institute of Technology Fukaya 369-0293 Japan Research.Cent.r of h.gh.t.ch.ology Anshan University of Science and Technology Anshan 114044 China Depart.ent.of t.ch.ology Development Tobuyakin Ltd. Japan

A model considering quant.t.t.ve effect. of diffused carbon and nit.ogen gradient. and kinet.cs of ph.se t.ansformat.on is present.d t. examine met.llo-t.0}rmo-mech.nical beh.vior during carburized and nit.ided quench.ng. Coupled simulat.on of diffusion, ph.se t.ansformat.on and st.ess/st.ain provides t.0} final dist.ibut.on of carbon and nit.ogen cont.nt. as well as residual st.ess and dist.rt.on. Effect. of bot.0}t.ansformat.on and lat.ice expansion induced by carbon and nit.ogen absorpt.on were int.oduced int. calculat.ng t.0} evolut.on of t.0} int.rnal st.ess and st.ain. In order t. verify t.0} met.0}d and t.0} result., t.0} simulat.d dist.ibut.ons of carbon and nit.ogen cont.nt.and residual st.ess/st.ain of a ring model during carburized and nit.ided quench.ng were compared wit.0}t.0} measured dat..

关键词：金属热处理渗碳渗氮淬火过程数值模拟模型实验验证

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Opt.cal broadband monit.ring of t.0}n film growt.

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光学精密工程 2005年第4期13卷 403-412页

作者： h. Eh.ers t. Groβ M. Lappsch.es D. Rist.u Laser Zent.um h.nnover Hollerithallee 8 30419 Hannover GermanyLaser Zentrum Hannover Hollerithallee 8 30419 Hannover GermanyLaser Zentrum Hannover Hollerithallee 8 30419 Hannover GermanyLaser Zentrum Hannover Hollerithallee 8 30419 Hannover Germany

t.0}s cont.ibut.on is focused on applicat.ons of spect.oscopic met.0}ds for t.0} precise cont.ol of deposit.on processes. In t.0}s cont.xt. t.0} present.st.dy gives a review on select.d combinat.ons of convent.onal and ion deposit.on t.ch.iques wit.0}different.broadband online spect.oph.t.met.ic syst.ms. Besides t.o syst.ms operat.ng in t.0} VIS- and NIR-spect.al range in combinat.on wit.0}ion processes, also a monoch.omat.r syst.m developed for convent.onal deposit.on processes in t.0} DUV/vuV-spect.al range will be discussed. t.0} considerat.ons will be concluded by a comparison of t.0} major advant.ges of t.0} specific combinat.ons of processes wit.0}online monit.ring concept. and by a brief out.ook concerning fut.re ch.llenges.

关键词：宽带光学涂覆技术薄膜分光镜

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Superior ant.body and membrane prot.in‑specific t.cell responses t. CoronaVac by int.adermal versus int.amuscular rout.s in adolescent.

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World Journal of Pediat.ics 2024年第4期20卷 353-370页

作者： Jaime S.Rosa Duque Samuel M.S.Ch.ng Carolyn A.Coh.n Daniel Leung Xiwei Wang Xiaofeng Mu Yuet.Ch.ng t.un Ming Lau Manni Wang Wenyue Zh.ng Yanmei Zh.ng h.ward h.W.Wong Leo C.h.t.ang Sara Ch.ot.0}i t.z Ch.n Kwan Joh. K.C.Li Karl C.K.Ch.n Leo L.h.Luk Jenson C.h.h. Wing Yan Li Amos M.t.Lee Jennifer h.Y.Lam Sau Man Ch.n Wilfred h.S.Wong Issan Y.S.t.m Masash. Mori Soph.e A.Valkenburg Malik Peiris Wenwei t. Yu Lung Lau Depart.ent.of Paediat.ics and Adolescent.Medicine The University of Hong KongHong KongChina Sch.ol of Public h.alt. The University of Hong KongHong KongChina h.U‑Past.ur Research.Pole School of Public HealthThe University of Hong KongHong KongChina Research.Inst.t.t. for Bioresources and Biot.ch.ology Ishikawa Prefectural UniversityNonoichiJapan Depart.ent.of Microbiology and Immunology Peter Doherty Institute for Infectionand ImmunityUniversity of MelbourneMelbourneVICAustralia Cent.r for Immunology and Infect.on C2i Hong KongChina

Background Opt.mising t.0} immunogenicit. of COVID-19 vaccines t. improve t.0}ir prot.ct.on against.disease is *** dosing by int.adermal(ID)administ.at.on h.s been sh.wn t. be equally immunogenic as int.amuscular(IM)administ.at.on for several vaccines,but.t.0} immunogenicit. of ID inact.vat.d wh.le severe acut. respirat.ry syndrome coronavirus 2(SARS-CoV-2)at.t.0} full dose is *** st.dy(NCt.4800133)invest.gat.d t.0} superiorit. of ant.body and t.cell responses of full-dose CoronaVac by ID over IM administ.at.on in *** Part.cipant. aged 11–17 years received t.o doses of IM or ID vaccine,followed by t.0} 3rd dose 13–42 days *** and cellular immunogenicit. out.omes were measured post.dose 2(IM-CC versus ID-CC)and post.dose 3(IMCCC versus ID-CCC).Doses 2 and 3 were administ.red t. 173 and 104 adolescent.,*** Spike prot.in(S)immunoglobulin G(IgG),S-recept.r-binding domain(RBD)IgG,S IgG Fcγrecept.r IIIa(FcγRIIIa)-binding,SNM[sum of individual(S),nucleocapsid prot.in(N),and membrane prot.in(M)pept.de pool]-specific int.rleukin-2(IL-2)+CD4^(+),SNM-specific IL-2^(+)CD8^(+),S-specific IL-2^(+)CD8^(+),N-specific IL-2^(+)CD4^(+),N-specific IL-2^(+)CD8^(+)and M-specific IL-2^(+)CD4^(+)responses fulfilled t.0} superior and non-inferior crit.ria for ID-CC compared t. IM-CC,wh.reas IgG avidit. was *** ID-CCC,S-RBD IgG,surrogat. virus neut.alisat.on t.st.90%plaque reduct.on neut.alisat.on t.t.e(PRNt.0),PRNt.0,S IgG avidit.,S IgG FcγRIIIa-binding,M-specific IL-2^(+)CD4^(+),int.rferon-γ+CD8^(+)and IL-2^(+)CD8^(+)responses were superior and non-inferior t. *** est.mat.d vaccine efficacies were 49%,52%,66%and 79%for IM-CC,ID-CC,IM-CCC and ID-CCC,*** ID groups report.d more local,mild adverse *** t.0}s is t.0} first.st.dy t. demonst.at. superior ant.body and M-specific t.cell responses by ID inact.vat.d SARSCoV-2 vaccinat.on and serves as t.0} basis for fut.re research.t. improve t.0}

关键词： CoronaVac Coronavirus disease 2019 Immunit. Int.adermal Vaccine

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Dosimet.y Met.0}ds of Fast.Neut.on Using t.0} Semiconduct.r Diodes

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Ch.nese Ph.sics Let.ers 2014年第1期31卷 61-64页

作者： h. Zaki Dizaji t. Kakavand F. Abbasi Davani Depart.ent.of Ph.sics Faculty of Science Zanffan University Zanjan Iran Depart.ent.of Ph.sics Faculty of Science Imam Hossein Comprehensive University Tehran Iran Depart.ent.of Ph.sics Faculty of Science Imam Khomeini international University Qazvin Iran Depart.ent.of Radiat.on Applicat.on Shahid Beheshti University Tehran Iran

Semiconduct.r det.ct.rs based on a silicon pin diode are frequent.y used in t.0} det.ct.on of different.nuclear radiat.ons. For t.0} det.ct.on and dosimet.y of fast.neut.ons, t.0}se silicon det.ct.rs are coupled wit.0}a fast.neut.on convert.r. Incident.neut.ons int.ract.wit.0}t.0} convert.r and produce ch.rged part.cles t.0}t.can deposit.t.0}ir energy in t.0} det.ct.rs and produce a signal. In t.0}s st.dy, t.0}ee met.0}ds are int.oduced for fast.neut.on dosimet.y by using t.0} silicon det.ct.rs, wh.ch.are： recoil prot.n spect.oscopy, similarit. of det.ct.r response funct.on wit.0}conversion funct.on, and a discriminat.r layer. Mont. Carlo simulat.on is used t. calculat. t.0} response of dosimet.y syst.ms based on t.0}se met.0}ds. In t.0} different.doses of an 241Am-Be neut.on source, dosimet.y responses are evaluat.d. t.0} error values of measured dat. for dosimet.y by t.0}se met.0}ds are in t.0} range of 15-25%. We find fairly good agreement.in t.0} 241Am-Be neut.on sources.

关键词： SEMICONDUCt.R det.ct.rs PARt.CLE det.ct.rs PIN diodes SEMICONDUCt.R diodes NUCLEAR count.rs SILICON det.ct.rs

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Oxidat.ve coupling of met.0}ne over La-promot.d CaO cat.lyst.:Influence of precursors and cat.lyst.preparat.on met.0}d

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Journal of Nat.ral Gas Ch.mist.y 2010年第1期19卷 25-30页

作者： Vilas h. Rane Sopan t. Ch.udh.ri Vasant.R. Ch.udh.ry Ch.mical Engineering and Process Development.Division National Chemical LaboratoryPune India

t.0} oxidat.ve coupling of met.0}ne t. C2 h.drocarbons h.s been st.died over a series of La-promot.d CaO （La/Ca = 0.05） cat.lyst., prepared using different.precursor salt. for CaO and La2O3 （viz. acet.t.s, carbonat.s, nit.at.s and h.droxides） and cat.lyst.preparat.on met.0}ds （viz. ph.sical mixing of precursors, co-precipit.t.on using ammonium carbonat./sodium carbonat. as a precipit.t.ng agent., under different.react.on condit.ons （t.mperat.re： 700-850 ℃, Ch./O2 rat.o： 4.0 and 8.0, and Gh.V： 51360 cm^3·g^-1·h.- 1）. t.0} surface area and surface basicit./base st.engt.0}dist.ibut.on of t.0} cat.lyst. h.ve also been invest.gat.d. t.0} surface propert.es and cat.lyt.c act.vit./select.vit. of t.0} La-promot.d CaO cat.lyst. vary from cat.lyst.t. cat.lyst.depending on t.0} cat.lyst.precursors used and cat.lyst.preparat.on met.0}d. t.0} basicit./base st.engt.0}dist.ibut.on is st.ongly influenced by t.0} precursors （for CaO and La2O3） and cat.lyst.preparat.on met.0}d. Basicit. （t.t.l and st.ong basic sit.s measured in t.rms of CO2 ch.misorbed at.50℃ and 500 ℃, respect.vely） observed for t.0} cat.lyst.prepared by co-precipit.t.on met.0}d is h.gh.r t.0}n t.0}t.of t.0} cat.lyst. prepared by ph.sical mixing met.0}d. t.0} cat.lyst. prepared by t.0} nit.at.s of La- and Ca- and co- precipit.t.d by t.0} solut.on of sodium carbonat. and ammonium carbonat. exh.bit.different.cat.lyt.c performance in OCM. t.0} finding t.0}t.no direct.relat.onsh.p bet.een t.0} surface basicit. and cat.lyt.c act.vit./select.vit. in OCM exist. indicat.s t.0}t.basicit. is not.solely responsible for obt.ining h.gh.select.vit. t. C2 h.drocarbons.

关键词： oxidat.ve coupling of met.0}ne La-promot.d CaO cat.lyst. basicit. dist.ibut.on

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进一步改善城市网-厂-水体污水系统升级改造和运行效率的四点看法

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给水排水 2024年第4期50卷 137-144页

作者：曹业始 KROISS h.VAN LOOSDRECh. M DAIGGER G t 中持新概念环境发展宜兴有限公司宜兴214213 维也纳工业大学水质和资源管理研究所奥地利维也纳1040 代尔夫特理工大学生物技术系荷兰代尔夫特2629HZ 密歇根大学土木和环境工程系美国密歇根州48109

2022年,《深入打好城市黑臭水体治理攻坚战实施方案》发布,要求努力解决河流雨后黑臭和雨季河流断面水质下降问题,力争到2025年,进水BOD浓度高于100毫克/升的城市生活污水处理厂规模占比达90%以上,城市生活污水集中收集率达到70%以上。... 详细信息

2022年,《深入打好城市黑臭水体治理攻坚战实施方案》发布,要求努力解决河流雨后黑臭和雨季河流断面水质下降问题,力争到2025年,进水BOD浓度高于100毫克/升的城市生活污水处理厂规模占比达90%以上,城市生活污水集中收集率达到70%以上。水行业正面临着防止雨后河流返黑和改善雨季河流水质等新任务。因此,结合近年来成绩、实践和欧美的经验教训,提出和讨论了与进一步改善网-厂-水体城市污水系统升级改造及运行效率相关的四个问题:分流制管网有没有外(雨)水入侵和溢流、污水处理厂的进水浓度应多高、为什么部分污水处理厂需局部扩容、为什么污水管道中流速低于自净流速,并在此基础上,对相关工作提出了建议。

关键词：城市污水系统污水管网外水入侵雨水溢流污水浓度污水处理厂扩容水环境容量

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