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The design and per.or.ance of char.ed par.icle detector.onb.ar. the gECAM mission

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r.diation detection Technology.and Methods 2022年第1期6卷 53-62页

作者： y.b.xu x.q.li x.l.sun s.y.ng H.wang W.x.peng x.H.liang K.gong y.q.liu d.y.guo x.y.zhao C.y.li z.H.An j.j.He x.j.liu x.y.Wen s.l.xiong Fan zhang d.l.zhang C.y.zhang C.Cai z.Chang g.Chen C.Chen y.y.d. M.gao r.gao d.j.Hou y.g.li g.li l.li x.F.li M.s.l. F.j.lu H.lu b.Meng F.shi j.z.wang y.s.wang H.z.wang x.Wen s.xiao y.p.xu j.W.y.ng q.b.y. s.N.zhang C.M.zhang F.zhang y.zhao x.zhou Key.lab.r.tor. of par.icle Astr.phy.ics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China

b.ckgr.und The gr.vitational wave highly.ener.etic Electr.magnetic Counter.ar. All-sky.Monitor.gECAM)is dedicated to detecting gr.vitational wave gamma-r.y.*** is capab.e of all-sky.monitor.ng over.and discover.ng gamma-r.y.b.r.ts and new r.diation *** consists of two micr.satellites,each equipped with 8 char.ed par.icle detector.(Cpds)and 25 gamma-r.y.d.tector.(gr.s).pur.ose The Cpd is used to measur. char.ed par.icles in the space envir.nment,monitor.ener.y.and flow intensity.changes,and identify.b.tween gamma-r.y.b.r.ts and space char.ed par.icle events in conj.nction with *** Cpd uses plastic scintillator.as the sensitive mater.al for.detection,s.l.con photomultiplier.ar.ay.as the optically.r.adab.e device,and the inlaid Am-241 r.dioactive sour.e as the onb.ar. calib.0}tion *** In this paper.we will pr.sent the wor.ing pr.nciple,phy.ical design,functional implementation and pr.liminar.3}r.or.ance test r.s.l.s of the *** a r.s.l.,the ener.y.r.nge of electr.n,gamma-r.y.d.tection efficiency.and dead time ar. tested to b. b.tter.than the indexes r.quir.d thr.ugh the gr.und calib.0}tion exper.ment.

关键词： gECAM Cpd sipM

The data acquisition algor.thm designed for.the sipM-b.sed detector. of gECAM satellite

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r.diation detection Technology.and Methods 2022年第1期6卷 70-77页

作者： y.q.liu K.gong x.q.li x.y.Wen z.H.An C.Cai z.Chang g.Chen C.Chen y.y.d. M.gao r.gao d.y.guo j.j.He d.j.Hou y.g.li C.y.li g.li l.li x.F.li M.s.l. x.H.liang x.j.liu F.j.lu H.lu b.Meng W.x.peng F.shi x.l.sun H.wang j.z.wang y.s.wang H.z.wang x.Wen s.xiao s.l.xiong y.b.xu y.p.xu s.y.ng j.W.y.ng q.b.y. Fan zhang d.l.zhang s.N.zhang C.y.zhang C.M.zhang Fei zhang x.y.zhao y.zhao x.zhou Key.lab.r.tor. of par.icle Astr.phy.ics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Univer.ity.of Chinese Academy.of sciences Chinese Academy of SciencesBeijing 100049China phy.ics and space science College China West Normal UniversityNanchong 637002China

b.ckgr.und The gr.vitational Wave High-ener.y.Electr.magnetic Counter.ar. All-sky.Monitor.gECAM)consists of 2 micr.satellites,each of which contains 25 gr.(lab.0})detector. and 8 Cpd(plastic scintillator.*** s.l.con photomultiplier.sipM)ar.ay.is used to r.ad each *** output signal of these detector. with sipM ar.ay.is ver. special and challenging to *** this study.a novel data acquisition(dAq)algor.thm for.these detector. is designed and implemented,and the content of the output event packet is *** and Conclusion The per.or.ances,including the event acquisition efficiency.of this dAq algor.thm,ar. extensively.ver.fied thr.ugh exper.mental *** the on-gr.und and in-flight tests,this algor.thm has excellent per.or.ance despite the ver. limited r.sour.es and shor. development time of gECAM mission.

关键词： s.l.con photomultiplier digital wavefor. pr.cessing data acquisition

sTr.CTUr.l dETEr.INATION OF TITANIUM-OxIdE NANOpAr.IClEs b. x-r.y.Ab.Or.TION spECTr.sCOpy

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Acta Metallur.ica sinica(English letter.) 2002年第1期15卷 53-57页

作者： z.y. Wu j. zhang K. Ib.2}him M.I. Ab.as g. li y. Tao T.d. Hu F.q. liu H.j. qian y.N. xie q.H. zhang l. gao z.z. Chen b.ij.ng sy.chr.tr.n r.diation Facility Institute of High Energy PhysicsThe Chinese Academy of SciencesBeijing 100039China lab.r.tor. Nazionali di Fr.scati Istituto Nazionali di Fisica Nucleare Via Enrico Fermi 40P.O. Box 13I-00044 FrascatiItaly b.ij.ng sy.chr.tr.n r.diation Facility Institute of High Energy PhysicsThe Chinese Academy of Sciences Beijing 100039China shanghai Institute of Cer.mics The Chinese Academy of SciencesShanghai200050China

As a potential application of titanium-oxide nanopar.icles, it is extr.mely.impor.ant to investigate a detailed pictur. of the sur.ace and inter.or.str.ctur.l pr.per.ies of nanocr.stalline mater.als, such as r.tile and anatase with diameter. 7.0 and 4.5nm, r.spectively. x-r.y.ab.or.tion spectr.scopy.has b.en used to identify.the local Ti envir.nment and r.lated electr.nic str.ctur.. We comb.ne the exper.mental r.s.l.s at the Ti edge in b.th b.lk and nano-cr.stals to deter.ine the lattice distor.ion in ter.s of differ.ntly.char.cter.stic pr.edge featur.s and the var.ation in the multiple-scatter.ng r.gion of x-r.y.ab.or.tion near.edge str.ctur. (xANEs) spectr.. The r.lationship b.tween the tr.nsition peaks and the sur.ace-to volume r.tio is also discussed.

关键词： x-r.y.ab.or.tion near.edge str.ctur. nano par.icle tr.nsition metal oxide

dominant effect of r.sidual secondar.0}ase of powder. on j. and micr.str.ctur. of b.-2212 super.onducting wir.s

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super.onductivity 2023年第4期8卷 1-8页

作者： l.H.j.n g.q.liu j.q.Feng x.y.xu g.F.j.ao s.N.zhang q.b.Hao p.x.zhang C.s.l. super.onducting Mater.als r.sear.h Center Northwest Institute for Nonferrous Metal ResearchShaanxiXi’an 710016China

b._(2)sr.(2)CaCu_(2)O_(8+δ)(b.‐2212)super.onducting r.und wir.s exhib.ted gr.at potential for.use in high‐field *** pur.ty.of the pr.cur.or.powder. is cr.tical for.the tr.nspor. cur.ent of the ***,the r.le of the r.sidual secondar.0}ase in the pr.cur.or.powder. is not fully.***,the or.gin of the secondar.0}ase was investigated in pr.cur.or.powder. that wer. pr.par.d using ultr.sonic spr.y.p.r.ly.is(Usp)and calcination *** micr.str.ctur. and phase evolution of the pr.cur.or.powder. dur.ng the cr.stallization pr.cess wer. ***,the effects that the r.sidual secondar.0}ase has on melting b.havior.mor.hology.p.oper.ies,and the super.ur.ent flow of b.‐2212 multi‐filamentar. wir.s ar. sy.tematically.*** r.sidual secondar.0}ase in the filament caused fur.her.cr.stallization,and this.l.d to the for.ation of mor. and lar.er.b.‐2201 gr.ins at the onset of the melting *** poor.micr.str.ctur. and low cr.tical cur.ent of the final b.‐2212 wir.s can b. attr.b.ted to the pr.sence of the r.sidual copper.r.ch ***‐2212 wir.s that wer. pr.par.d with fully.cr.stallized powder. had a high cr.tical cur.ent density.j.(c))of 6773 A/mm^(2) at 4.2 K,s.l.‐*** was r.vealed that contr.l of the secondar.0}ases in pr.cur.or.powder. is gr.atly.significant for.achieving super.or.values of j.(c).

关键词： super.onductor b.‐2212 wir. r.sidual secondar.0}ase powder

pr.COAgulANT EFFECTs OF THr.Mb.ly.ICTHEr.py.IN ACUTE My.CAr.IAl INFAr.TION

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Chinese Medical sciences j.ur.al 2002年第1期17卷 36-39页

作者： wang y.liu q zhu j.y.an z Ma x depar.ment of Car.iology the First Hospital Xi''an Jiaotong University Xi''an 710061

To examine the pr.coagulant effects of thr.mb.ly.ic agent on h emostasis and study.the r.le of hemostatic mar.er. as pr.dictor. of clinical outcomes. Methods. In the pr.sent study. eighteen patients with acute my.car.ial in far.tion(AMI) r.ceived 1.5 or.2.0 million U nonspecific ur.kinase(UK), or.70～80 mg fib.0}n specific r.comb.nant tissue plasminogen activator.r. pA)and did not use hepar.n until 8 hour. after.intr.venous inj.ction of the ab.ve agents. Eig ht patients with AMI and without thr.mb.ly.ic ther.py.wer. enr.lled as contr.ls. Coagulant and thr.mb.ly.ic activity.mar.er. included thr.mb.n antithr.mb.n Ⅲ complex (TAT), d dimer. fib.0}nogen (Fg), FMpV/Amax. All mar.er. wer. deter.ined b.for.,immediately.1,2,4 and 8 hour. after.the administr.tion of thr.mb.ly.ic a gents r.spectively. r.s.l.s. Molecular.mar.er.of thr.mb.n gener.tion——TAT showed an activated coa gulant state immediately.after.thr.mb.ly.ic ther.py. level of TAT showed no sign ificant changes b.tween ever. two ob.er.ed phases in contr.ls. However. level of TAT incr.ased significantly.fr.m 4.95±1.75μg/l ( 4.63±1.37μg/l) to 14.71±3 .31μg/l ( 14.25±2.53μg/l) b.for. and immediately.after.administr.tion of thr. mb.ly.ic agents UK(or.r. pA). Ther. was significant differ.nce b.tween level of ser.m TAT of patients with and without thr.mb.ly.ic ther.py.(ppatients achieving clinical r.per.usion had lower.TAT level than those failing in thr.mb.oly.ic ther.py. and higher.FMpV/Amax level than contr.ls. d dimer. a sur.ogate of thr.mb.ly.ic activity.incr.ased mar.edly.and Fg significantly. declined afte r.thr.mb.ly.ic ther.py.p. 0.05).Conclusions. Thr.mb.n gener.tion occur.ed in plasma in r.sponse to excess fib.0} noly.is induced b. thr.mb.ly.ic ther.py. b.th ur.kinase and r. pA had pr.coagul ant action. This tr.nsient activation of the coagulant sy.tem might contr.b.te t o ear.y.r.occlusion. These data pr.vided the theor.tical suppor. for.simultaneou s administr.tion of antico

关键词： acute my.car.ial infar.tion thr.mb.ly.is ur.kinase r. pA

The design and per.or.ance of gr. onb.ar. the gECAM satellite

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r.diation detection Technology.and Methods 2022年第1期6卷 43-52页

作者： z.H.An x.l.sun d.l.zhang s.y.ng x.q.li x.y.Wen K.gong x.H.liang x.j.liu y.q.liu y.g.li s.l.xiong y.b.xu Fan zhang x.y.zhao C.Cai z.Chang g.Chen C.Chen y.y.d. p.y.Feng M.gao r.gao d.y.guo j.j.He d.j.Hou C.y.li g.li l.li x.F.li M.s.l. F.j.lu H.lu b.Meng W.x.peng F.shi H.wang j.z.wang y.s.wang H.z.wang x.Wen s.xiao y.p.xu j.W.y.ng q.b.y. s.N.zhang C.y.zhang C.M.zhang Fei zhang y.zhao x.zhou CAs Institute of High Energy PhysicsBeijing 100049China state Key.lab.r.tor. of par.icle detection and Electr.nics Beijing 100049China 3 Xiangtan UniversityXiangtan 411105China 4 Beijing Normal UniversityBeijing 110875China xiangtan Univer.ity Xiangtan 411105China b.ij.ng Nor.al Univer.ity Beijing 110875China

b.ckgr.und Each gECAM satellite pay.oad contains 25 gamma-r.y.d.tector.(gr.s),which can detect gamma-r.y. and par.icles and can r.ughly.localize the gamma-r.y.b.r.ts(gr.s).gr. was designed using lanthanum b.0}mide(lab.0})cr.stal as the sensitive mater.al with the r.ar.end coupled with s.l.con photomultiplier.sipM)ar.ay.for.*** In aer.space engineer.ng design of gr.,ther. ar. many.key.p.ints to b. *** this paper.we pr.sent the specific design scheme of gr.,the assemb.y.and the per.or.ance test r.s.l.s of *** b.sed on Monte Car.o simulation and exper.mental test r.s.l.s,the specific schematic design and assemb.ing pr.cess of gr. wer. *** b.ing fully.assemb.ed,the gr.s wer. conducted per.or.ance tests b. using r.dioactive sour.e and also conducted r.ndom vib.0}tion *** and conclusion The test r.s.l.s show that all satellite-b.r.e gr.s have ener.y.r.s.l.tiong r.quir.ments of satellite in scientific *** r.ndom vib.0}tion test shows that gr. can maintain in a stab.e per.or.ance,which meets the r.quir.ment of spatial application.

关键词： lanthanum b.0}mide scintillator sipM ar.ay gECAM gamma-r.y.d.tector Ener.y.r.s.l.tion

Effect of gr.in size on fatigue cr.cking at twin b.undar.es in a CoCr.eMnNi high-entr.py.alloy

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j.ur.al of Mater.als science & Technology 2020年第4期39卷 1-6页

作者： A.g.wang x.H.An j.gu x.g.wang l.l.li W.l.li M.song q.q.duan z.F.zhang x.z.liao school of Aer.space Mechanical&Mechatronic EngineeringThe University of Sydne0ySydneyAustralia state Key.lab.r.tor. of powder.Metallur.y Central South UniversityChangsha 410083China Mater.als Fatigue and Fr.ctur. division Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Max-planck-Institut für.Eisenfor.chung Max-Planck-Stra?e 140237 DüsseldorfGermany

The fatigue cr.cking b.havior.at twin b.undar.es(Tb.)in a Co Cr.Fe Mn Ni high-entr.py.alloy.with thr.e differ.nt gr.in sizes was sy.tematically.investigated under.low-cy.le *** of gr.in size,the change fr.m slip b.nd cr.cking to Tb.cr.cking occur.ed with incr.asing the differ.nce in the schmid factor.(dsF)b.tween matr.x and ***,the r.quir.d cr.tical dsF for.the tr.nsition of the dominant cr.cking mode decr.ases with decr.asing gr.in size due to the r.duced slip b.nd spacing that incr.ases the impingement sites on the Tb. and facilitates the coalescence of defects and voids to initiate Tb.cr.cks.

关键词： High-entr.py.alloy Fatigue cr.cking Twin b.undar. slip b.nd gr.in size

The high-ener.y.p.r.icle package onb.ar. CsEs

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r.diation detection Technology.and Methods 2019年第3期3卷 45-55页

作者： x.q.li y.b.xu z.H.An x.H.liang p.wang x.y.zhao H.y.wang H.lu y.q.Ma x.H.shen x.y.Wen H.wang d.l.zhang F.shi W.x.peng M.gao x.x.y. j.z.wang y.j.zhang j.l.zhang j.zhang H.x.li j.r.zeng y.F.Nan Institute of High Ener.y.p.y.ics CASBeijing 100049China Institute of Cr.stal dy.amics CEABeijing 100085China Nanchang Hangkong Univer.ity Nanchang 330063China Nor.hwest Univer.ity Xi’an 710127China

Intr.duction The China seismo-Electr.magnetic satellite(CsEs)aims to monitor.space electr.magnetic fields,ionospher.c plasma,high-ener.y.char.ed par.icles and other.featur.s of the glob.l space *** high-ener.y.p.r.icle package(HEpp),which can effectively.d.tect the ener.y.spectr.m,flux and pitch angle distr.b.tion of space electr.ns and pr.tons,and soft x-r.y.emission fr.m s.l.r.flar.s,is one of the main pay.oads of *** and methods In this study.we designed,developed and calib.0}ted the high-ener.y.p.r.icle package and launched it into or.it with *** consists of the high-ener.y.d.tector.HEpp-H),the low-ener.y.d.tector.HEpp-l),and the s.l.r.x-r.y.monitor.HEpp-x).The thr.e sub.detector. mainly.use s.l.con detector.and cr.stal calor.meter.detection *** launching,we calib.0}ted the thr.e sub.detector. in detail b. using r.diation sour.e and acceler.tor.*** All the thr.e sub.detector. have good ener.y.*** launching into or.it,the space ener.etic par.icles and x-r.y.d.str.b.tion detected b. HEpp ar. consistent with *** per.or.ance indices of the detector.r.ach the advanced level of the same kind of detector.in the *** HEpp has a wide ener.y.d.tection r.nge,good ener.y.r.s.l.tion and high angular.r.s.l.tion ab.lity.for.electr.ns and *** will play.an impor.ant r.le in the study.of space par.icle r.sponse and space phy.ics of seismic activity.

关键词： zH-1 CsEs HEpp High-ener.y.p.r.icle r.diation b.lt

study.of b.sIII tr.gger.efficiencies with the 2018 j.ψ data

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Chinese phy.ics C 2021年第2期45卷 48-55页

作者： M.Ab.ikim M.N.Achasov p.Adlar.on s.Ahmed M.Alb.0}cht r.Alib.r.i A.Amor.so M.r.An q.An x.H.b.i y.b.i O.b.kina r.b.ldini Fer.oli I.b.lossino y.b.n K.b.gzsur.n N.b.r.er.M.b.r.ani d.b.ttoni F.b.anchi j.b.oms A.b.r.one I.b.y.o r.A.b.0}er. H.Cai x.Cai A.Calcater.a g.F.Cao N.Cao s.A.Cetin j.F.Chang W.l.Chang g.Chelkov d.y.Chen g.Chen H.s.Chen M.l.Chen s.j.Chen x.r.Chen y.b.Chen z.j.Chen W.s.Cheng g.Cib.netto F.Cossio x.F.Cui H.l.dai x.C.dai A.db.y.si r.E.de b.er.d.dedovich z.y.d.ng A.denig I.deny.enko M.destefanis F.de Mor. y.d.ng C.dong j.dong l.y.d.ng M.y.d.ng x.dong s.x.du y.l.Fan j.Fang s.s.Fang y.Fang r.Far.nelli l.Fava F.Feldb.uer.g.Felici C.q.Feng j.H.Feng M.Fr.tsch C.d.Fu y.gao y.gao y.gao y.g.gao I.gar.ia p.T.ge C.geng E.M.ger.ab.ck A gilman K.goetzen l.gong W.x.gong W.gr.dl M.gr.co l.M.gu M.H.gu s.gu y.T.gu C.y.guan A.q.guo l.b.guo r.p.guo y.p.guo A.guskov T.T.Han W.y.Han x.q.Hao F.A.Har.is H Hüsken K.l.He F.H.Heinsius C.H.Heinz T.Held y.K.Heng C.Her.ld M.Himmelr.ich T.Holtmann y.r.Hou z.l.Hou H.M.Hu j.F.Hu T.Hu y.Hu g.s.Huang l.q.Huang x.T.Huang y.p.Huang z.Huang T.Hussain W.Ikegami Ander.son W.Imoehl M.Ir.had s.j.eger.s.j.nchiv q.j. q.p.j. x.b.j. x.l.j. H.b.j.ang x.s.j.ang j.b.j.ao z.j.ao s.j.n y.j.n T.j.hansson N.Kalantar.Nay.stanaki x.s.Kang r.Kapper. M.Kavatsy.k b.C.Ke I.K.Keshk A.Khoukaz p.Kiese r.Kiuchi r.Kliemt l.Koch O.b.Kolcu b.Kopf M.Kuemmel M.Kuessner.A.Kupsc M.g.Kur.h W.Kühn j.j.lane j.s.l.nge p.lar.n A.lavania l.lavezzi z.H.lei H.leithoff M.lellmann T.lenz C.li C.H.li Cheng li d.M.li F.li g.li H.li H.li H.b.li H.j.li j.l.li j.q.li j.s.l. Ke li l.K.li lei li p.r.li s.y.li W.d.li W.g.li x.H.li x.l.li z.y.li H.liang H.liang H.liang y.F.liang y.T.liang l.z.liao j.lib.y.C.x.lin b.j.liu C.x.liu d.liu F.H.liu Fang liu Feng liu H.b.liu H.M.liu Huanhuan liu Huihui liu j.b.liu j.l.liu j.y.liu K.liu K.y.liu Ke liu l.liu M.H.liu p.l.liu q.liu q.liu s.b.liu shuai liu T.liu W.M.liu x.liu y.liu y.b.liu z.A.liu z.q.liu x.C.lou F.x.lu H.j.lu j.d.lu j.g.lu x.l.lu y.lu y.p.lu C.l.luo M.x.luo b.p.W.luo T.luo x.l.luo s Institute of High Ener.y.p.y.ics Beijing 100049China b.ihang Univer.ity Beijing 100191China b.ij.ng Institute of petr.chemical Technology Beijing 102617China b.chum r.hr.Univer.ity D-44780 BochumGermany Car.egie Mellon Univer.ity PittsburghPennsylvania 15213USA Centr.l China Nor.al Univer.ity Wuhan 430079China China Center.of Advanced science and Technology Beijing 100190China COMsATs Univer.ity.Islamab.d Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan Univer.ity Shanghai 200443China gIb.dker.Institute of Nuclear.phy.ics sb.r.s(b.Np) Novosibirsk 630090Russia gsI Helmholtzcentr. for.Heavy.Ion r.sear.h gmb. D-64291 DarmstadtGermany guangxi Nor.al Univer.ity Guilin 541004China guangxi Univer.ity Nanning 530004China Hangzhou Nor.al Univer.ity Hangzhou 310036China Helmholtz Institute Mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Henan Nor.al Univer.ity Xinxiang 453007China Henan Univer.ity.of science and Technology Luoyang 471003China Huangshan College Huangshan 245000China Hunan Nor.al Univer.ity Changsha 410081China Hunan Univer.ity Changsha 410082China Indian Institute of Technology.Madr.s Chennai 600036India Indiana Univer.ity BloomingtonIndiana 47405USA (A)INFN lab.r.tor. Nazionali di Fr.scati I-00044FrascatiItaly(B)INFN Sezione di PerugiaI-06100PerugiaItaly(C)University of PerugiaI-06100PerugiaItaly (A)INFN sezione di Fer.ar. I-44122FerraraItaly(B)University of FerraraI-44122FerraraItaly Institute of Moder. phy.ics Lanzhou 730000China Institute of phy.ics and Technology Peace Ave54BUlaanbaatar 13330Mongolia j.lin Univer.ity Changchun 130012China j.hannes gutenb.r. Univer.ity.of Mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany j.int Institute for.Nuclear.r.sear.h 141980 DubnaMoscow regionRussia j.stus.l.eb.g-Univer.itaet giessen IIPhysikalisches InstitutHeinrich-Buff-Ring 16D-35392GiessenGermany KVI-CAr. University of GroningenNL-9747 AA GroningenThe Netherlands lanzhou Univer.ity Lanzhou 730000China liaoning Nor.al Unive

Using a dedicated data sample taken in 2018 on the j.ψpeak,we per.or. a detailed study.of the tr.gger.efficiencies of the b.sIII *** efficiencies ar. deter.ined fr.m thr.e r.pr.sentative phy.ics pr.cesses,namely.b.ab.a scatter.ng,dimuon pr.duction and gener.c hadr.nic events with char.ed *** comb.ned efficiency.of all active tr.gger. appr.aches 100%in most cases,with uncer.ainties small enough not to affect most phy.ics analy.es.

关键词： b.sIII tr.gger.efficiency b.ab.a dimuon hadr.nic events