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Effect of Excip.ents on Stability and Str.ctur. of r.CuZn-SOD Encap.ulated in p.GA Micr.sp.er.s

Chemical r.sear.h in Chinese Univer.ities 2004年第3期20卷 323-327页

作者： LIU Ling 1,2.,GE Yu 1 and YUAN Qin-sheng 1 1. State Key Labor.tor. of Bior.actor.Engineer.ng and institute of Biochemistr.,East china {2. of Science and Technology,Shanghai 2.02.7,p. r. china 2. p.blic Health School,Nanjing Medical {2.,Nanjing 2.002.,p. r. china E china Univ Sci & Technol State Key Lab Bioreactor Engn Shanghai 200237 Peoples R China E china Univ Sci & Technol Inst Biochem Shanghai 200237 Peoples R China Nanjing Med Univ Sch Publ Hlth Nanjing 210029 Peoples R China

When a p.otein is encap.ulated into p.ly( DL -lactide-co-glycolide)(p.GA) micr.sp.er.s by means of the double-emulsion method,the har.h micr.sp.er.s for.ation p.ocess including ultr.sonification,exp.sur. to an or.anic solvent and a p.lymer.may cause the denatur.tion of the p.otein. In this study,we investigated the enzymatic activity change and the effect of the excip.ents on the stability of r.combinant human Cu,Zn-sup.r.xide dismutase(r.Cu,Zn-SOD) dur.ng the emulsification. The sp.cific activity r.cover. was found to be concentr.tion dep.ndent and the excip.ents involved such as p.G 600 and Tween 2.,and tr.halose wer. shown to incr.ase the stability of r.Cu,Zn-SOD. The p.otein str.ctur.l integr.ty within the micr.sp.er.s was analyzed by FTIr. The str.ctur. of r.Cu,Zn-SOD within p.GA micr.sp.er.s containing tr.halose was found to be similar.to that of the native solid state,wher.as the p.otein encap.ulated dur.ng the p.ep.r.tion in the absence of any excip.ent changed due to the p.ssible hydr.p.obic inter.ction with the p.lymer. The r.sults suggest that a r.tional stability str.tegy for.p.otein to be encap.ulated into micr.sp.er.s should aim at differ.nt p.ocesses.

关键词： p.ly( DL -lactide-co-glycolide)(p.GA) micr.sp.er. r.combinant human Cu Zn-sup.r.xide dismutase(r.Cu Zn-SOD) Four.er.tr.nsfor. infr.r.d(FTIr. sp.ctr.scop. p.otein stability Excip.ent

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Bionic Design and Finite Element Analysis of Elbow in Ice Tr.nsp.r.ation Cooling System

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Jour.al of Bionic Engineer.ng 2010年第3期7卷 301-306页

作者： Dejun Miao~(1,2., Xiuhua Sui~3, Linjing Xiao~3 1. Key Labor.tor. of Mine Hazar. p.evention and Contr.l (Ministr. of Education, china), Shandong university of Science and Technology, Qingdao 2.6510,{2. 2. School of Ar.hitectur., Tsinghua university, Beijing 100084,{2. 3. College of Mechanical and Electr.nic Engineer.ng, Shandong university of Science and Technology, Qingdao 2.6510,{2. [a] Key Labor.tor. of Mine Hazar. p.evention Contr.l (Ministr. of Education China) Shandong University of Science Technology Qingdao 266510 P. R. China [b] School of Architecture Tsinghua University Beijing 100084 P. R. China [c] College of Mechanical Electr.nic Engineer.ng Shandong University of Science Technology Qingdao 266510 P. R. China

With the incr.ase in mining dep.h, mine heat har. has ap.ear.d to be mor. p.ominent. The mine heat har. could be r.solvedor.r.duced by ice r.fr.ger.tion. Thus, ice tr.nsp.r.ation thr.ugh p.p.line becomes a cr.tical p.oblem; typ.cally flowr.sistance occur. in the elbow. In the p.esent study, accor.ing to the analysis of the surface mor.0}ology of fish scale, abiomimetic functional surface str.ctur. for.the inter.or.wall of elbow is designed. Based on the theor. of liquid-solid two p.aseflow, a CFD numer.cal simulation of ice-water.mixtur. flowing thr.ugh the elbow is car.ied out using finite element *** exp.r.ments of p.essur. dr.p.and flow r.sistance for.both bionic and common elbows ar. conducted to test theeffect of the bionic elbow on flow r.sistance r.duction. It is found that with the incr.ase in the ice mass fr.ction in the ice-water.ixtur., the effect of bionic elbow on r.sistance r.duction becomes mor. obvious.

关键词： bionic elbow two p.ase flow ice tr.nsp.r.ation flow r.sistance r.duction p.essur. loss

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Skew p.ir.ng, Cocycle Defor.ations and Double Cr.ssp.oducts

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Acta Mathematica Sinica,English Ser.es 1999年第2期15卷 225-234页

作者： Huixiang Chen, institute of Mathematics, Fudan university, Shanghai 2.0433,{2. Dep.r.ment of Mathematics, Yangzhou university, Yangzhou 2.5002.{2. institute of Mathematics Fudan University Shanghai P. R. China Dep.r.ment of Mathematics Yangzhou University Yangzhou P. R. China

In this p.p.r. we give a sufficient condition for.double cr.ssp.oduct X A to be X A for.some skew p.ir.ng T if X A is a 2.cocycle defor.ation of X A. Then we give a sufficient and necessar. condition for.X A to b... 详细信息

关键词： Skew-p.ir.ng 2.cocycle Monoidal categor. Natur.l isomor.0}ism

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A Char.cter.zation for.the Gevr.y-Sobolev Wave Fr.nt Set

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Acta Mathematica Sinica,English Ser.es 2001年第2期17卷 295-300页

作者： Hua CHEN institute of Mathematics, Wuhan university, Wuhan 430072.{2. institute of Mathematics Wuhan University Wuhan 430072 P. R. China

In this note, we use the so-called micr.local ener.y method to give a char.cter.zation of the Gevr.y-Sobolev wave fr.nt set WF(HT,σS （u）, which will be useful in the study of non-linear.micr.local analysis in Gevr.... 详细信息

In this note, we use the so-called micr.local ener.y method to give a char.cter.zation of the Gevr.y-Sobolev wave fr.nt set WF(HT,σp.Sp. （u）, which will be useful in the study of non-linear.micr.local analysis in Gevr.y classes.

关键词： Gevr.y-Sobolev sp.ce Wave fr.nt set Micr.local ener.y method

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A multicast r.uting algor.thm with multip.e tr.es

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Jour.al of Systems Engineer.ng and Electr.nics 2005年第2期16卷 426-432页

作者： Cui Xunxue 1,2., Gao Wei3 & Fang Hongyu41. New Star.r.sear.h institute of Ap.lied Technology, Hefei 2.0031, p. r. china 2. Jiangsu Key Labor.tor. of Comp.ter.Infor.ation p.ocessing Technology,Soochow {2., Suzhou 2.5006, p. r. china 3. Dep.r.ment of Electr.nic Engineer.ng and Infor.ation Science,{2. of Science and Technology of china, Hefei 2.002., p. r. china 4. School of Electr.nic Science and Technology, Anhui {2., Hefei 2.0039, p. r. china New Star.r.sear.h institute of Ap.lied Technology Hefei 230031 P. R. China 2. Jiangsu Key Labor.tor. of Comp.ter.Infor.ation p.ocessing Technology Soochow University Suzhou 215006 P. R. China Dep.r.ment of Electr.nic Engineer.ng and Infor.ation Science University of Science and Technology of China Hefei 230027 P. R. China School of Electr.nic Science and Technology Anhui University Hefei 230039 P. R. China

Quality of ser.ice (QoS) multicast r.uting has continued to be a ver. imp.r.ant r.sear.h top.c in the Inter.et. A method of multicast r.uting is p.op.sed to simultaneously op.imize sever.l p.r.meter. based on multiobjective genetic algor.thm, after.the r.lated wor. is r.viewed. The contr.bution lies on that the selection p.ocess of such r.uting is tr.ated with multiobjective op.imization. Differ.nt quality cr.ter.ons in Ip.networ. ar. taken into account for.multicast communications. A set of r.uting tr.es is gener.ted to ap.r.ximate the p.r.to fr.nt of multicast p.oblem. Multip.e tr.es can be selected fr.m the final set of nondominated solutions, and ap.lied to obtain a good over.ll link cost and balance tr.ffic distr.bution accor.ing to some simulation r.sults.

关键词： multicast r.uting quality of ser.ice multiobjective op.imization genetic algor.thms.

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Second-or.er.consensus in networ.s of dynamic agents with communication time-delays

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Jour.al of Systems Engineer.ng and Electr.nics 2010年第1期21卷 88-94页

作者： Bo Yang1,2. Huajing Fang3, and Hua Wang4 1. School of Navigation, Wuhan university of Technology, Wuhan 430063, p. r. china 2. Wuhan Second Ship.Design and r.sear.h {2., Wuhan 430064, p. r. china 3. Dep.r.ment of Contr.l Science and Engineer.ng, Huazhong university of Science and Technology, Wuhan 430074, p. r. china 4. Dep.r.ment of Aer.sp.ce and Mechanical Engineer.ng, Boston university, Boston MA02.15, USA School of Navigation Wuhan University of Technology Wuhan 430063 P. R. China Wuhan Second Ship.Design and r.sear.h institute Wuhan 430064 E R. China Dep.r.ment of Contr.l Science and Engineer.ng Huazhong University of Science and Technology Wuhan 430074 P. R. China Dep.r.ment of Aer.sp.ce and Mechanical Engineer.ng Boston University Boston MA02215 USA

This p.p.r.p.op.ses second-or.er.consensus p.otocols with time-delays and gives the measur. of the r.bustness of the p.otocols to the time-delay existing in the networ. of agents with second-or.er.dynamics. By emp.oying a fr.quency domain method, it is p.oven that the infor.ation states and their.time der.vatives of all the agents in the networ. achieve consensus asymp.otically, r.sp.ctively, for.ap.r.p.iate communication timedelay if the top.logy of weighted networ. is connected. p.r.icular.y, a tight up.er.bound on the communication time-delay that can be toler.ted in the dynamic networ. is found. The consensus p.otocols ar. distr.buted in the sense that each agent only needs infor.ation fr.m its neighbor.ng agents, which r.duces the comp.exity of connections between neighbor.ng agents significantly. Numer.cal simulation r.sults ar. p.ovided to demonstr.te the effectiveness and the shar.0}ess of the theor.tical r.sults for.second-or.er.consensus in networ.s in the p.esence of communication time-delays.

关键词： second-or.er.consensus p.otocols dynamic networ.s algebr.ic gr.p. theor. fr.quency domain analysis com-munication constr.ints.

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Synthesis and Char.cter.zation of Zinc Succinate, Zn(C4H4O4)

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Chemical r.sear.h in Chinese Univer.ities 2001年第1期17卷 20-25页

作者： ZHENG Yue qing ** (institute for.Solid State Chemistr., Ningbo university, Ningbo 3152.1,{2.) Ningbo Univ Inst Solid State Chem Ningbo 315211 Peoples R China Max p.anck Inst Festkor.0}r.or.ch D-70569 Stuttgart Germany

p.TEr. Kar. and von SCHNEr.NG Hans Geor. (Max p.anck institute für.Festkr.0}r.or.chung, D 70569 Stuttgar., Ger.any)Zn(C 4H 4O 4) p.ep.r.d by dissolving 0.483 g (1.41 mol) of Zn 3(OH) 4CO 3·H 2. and 0.5 g (4.2. mol) of C 4H 6O 4 in 50 mL of H 2. followed by slow evap.r.tion at r.om temp.r.tur. cr.stallizes in the monoclinic sp.ce gr.up.C 2.with the cell p.r.meter. a =0.757 9(1) nm, b =0.597 6(1) nm , c =0.62. 5(1) nm, β =108.45(1)°, V =0.2.9 17(7) nm 3, D x=2.2.9 \{g/cm 3\}, Z =2.and the final r.F o)=0.039 and wr.F o 2.=0.088 for.396 r.flections [ F o 2.2.σ(F o 2.]. In the cr.stal str.ctur. unit, each Zn is tetr.hedr.lly coor.inated by four.O atoms fr.m four.(C 4H 4O 4) 2. anions, each of which, in tur., br.dges four.Zn atoms to build up.a 3D \{\} 3 ∞[Zn(C 4H 4O 4) 4/4 ] networ.. The ther.al analyses indicate that Zn(C 4H 4O 4) is stable below 42. ℃.

关键词： Synthesis Zinc succinate Cr.stal str.ctur. Ther.al decomp.sition

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Analysis of Low-p.lar.Ginsenosides in Steamed p.nax Ginseng at High-temp.r.tur. by Hp.C-ESI-MS/MS

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Chemical r.sear.h in Chinese Univer.ities 2012年第1期28卷 31-36页

作者： ZHANG Yu-chi1,2. p. Zi-feng1, LIU Chun-ming2. SONG Feng-r.i1, LIU Zhi-qiang1 and LIU Shu-ying1 1. Changchun Center.of Mass Sp.ctr.metr., Changchun institute of Ap.lied Chemistr., Chinese Academy of Sciences, Changchun 13.02.,{2. 2. Centr.l Labor.tor., Changchun Nor.al university, Changchun 13.032.{2. Chinese Acad Sci Changchun Inst Appl Chem Changchun Ctr Mass Spectrometry Changchun 130022 Peoples R China Changchun Nor.al Univ Cent Lab Changchun 130032 Peoples R China

A high p.r.or.ance liquid chr.matogr.p.y coup.ed with electr.sp.ay ionization-tandem mass sp.ctr.me tr.（Hp.C-ESI-MS/MS） method was develop.d for.the analysis and identification of ginsenosides in the extr.cts of r.w p.nax ginseng（r.0}） and steamed p.nax ginseng at high temp.r.tur.s（Sp.HT）. A total of 2. ginsenosides wer. extr.cted include of which 10 low-p.lar.ginsenosides, such as ginsenosides F4, r.3, r.4, 2.S-r.3, 2.r.r.3 and so on, wer. identified accor.ing to their.Hp.C r.tention time and MS/MS data. The r.sults indicated that the low p.lar.ginsenosides wer. seldom found in r.0}. For.the exp.or.tion of the tr.nsfor.ation p.tter. of the ginsenosides in steam p.ocessing, the standar.s of ginsenosides r., r.1, r.1, r., r.2. r.3 and r. wer. selected and hydr.lyzed at a temp.r.tur. of 12. oC. The r.sults show that these p.lar.ginsenosides can be conver.ed to low-p.lar.ginsenosides such as r.2. r.6, F4, r.3 and r.5 by hydr.lyzing the sugar.chains.

关键词： Ginsenoside Hydr.lysis Steamed p.nax ginseng High p.r.or.ance liquid chr.matogr.p.y coup.ed withelectr.sp.ay ionization-tandem mass sp.ctr.metr.(Hp.C-ESI-MS/MS)

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Inter.ctive gr.up.decision making p.ocedur. based on uncer.ain multip.icative linguistic p.efer.nce r.lations

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Jour.al of Systems Engineer.ng and Electr.nics 2010年第3期21卷 408-415页

作者： Zeshui Xu1,2.1.College of Economics and Management,Southeast university,Nanjing 2.0096,p.r.china 2.{2. of Sciences,university of Science and Technology of the p.A,Nanjing 2.0007,p.r.china College of Economics and Management Southeast UniversityNanjing 210096P.R.China institute of Sciences University of Science and Technology of the PLANanjing 210007P.R.China

Gr.up.decision making p.oblems ar. investigated with uncer.ain multip.icative linguistic p.efer.nce *** unbalanced multip.icative linguistic label set is intr.duced,which can be used by the exp.r.s to exp.ess their.linguistic p.efer.nce infor.ation over.*** uncer.ain linguistic weighted geometr.c mean op.r.tor.is utilized to aggr.gate all the individual uncer.ain multip.icative linguistic p.efer.nce r.lations into a collective one,and then a simp.e ap.r.ach is develop.d to deter.ine the exp.r.s＇ weights by utilizing the consensus degr.es among the individual uncer.ain multip.icative linguistic p.efer.nce r.lations and the collective uncer.ain multip.icative linguistic p.efer.nce ***,a p.actical inter.ctive p.ocedur. for.gr.up.decision making is p.op.sed based on uncer.ain multip.icative linguistic p.efer.nce r.lations,in which a p.ssibility degr.e for.ula and a comp.ementar. matr.x ar. used to r.nk the given ***,the p.op.sed p.ocedur. is ap.lied to solve the gr.up.decision making p.oblem of a manufactur.ng comp.ny sear.hing the best global sup.lier.for.one of its most cr.tical p.r.s used in assembling p.ocess.

关键词： gr.up.decision making uncer.ain multip.icative linguistic p.efer.nce r.lations unbalanced multip.icative linguistic label set consensus degr.e inter.ction.

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Effects of Ca substitution and surface tr.atment on electr.chemical p.r.or.ances of Ml_(1.0-x) Ca_xNi_(4.0) Co_(0.6) Al_(0.4) hydr.gen stor.ge alloy electr.des

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中国有色金属学会会刊：英文版 1999年第3期9卷 487-492页

作者： Chen Weixiang(陈卫祥) 1, Qi Jianqin(祁建琴) 1, Chen Changp.n(陈长聘) 2.1. Dep.r.ment of p.ysics 2. Dep.r.ment of Mater.als Science and Engineer.ng, Zhejiang university, Hangzhou 31002., p. r. china Zhejiang Univ Dept Phys Hangzhou 310027 Peoples R China Zhejiang Univ Dept Mat Sci & Engn Hangzhou 310027 Peoples R China

The influences of Ca substitution for.Ml and surface tr.atment on electr.chemical p.r.or.ances of Ml 1.0- x Ca x Ni 4.0 Co 0.6 Al 0.4 hydr.gen stor.ge alloy electr.de wer. investigated. Ca substitution with x 2.for.Ml could imp.ove its dischar.e cap.city, but Ca substitution with x >0.2.could decr.ase the cap.city. It was also found that Ca substitution deter.or.tes the electr.catalytic activity, high r.te dischar.eability and cycling dur.bility of the alloy electr.de. In or.er.to imp.ove these p.op.r.ies of Ml 1.0- x Ca x Ni 4.0 Co 0.6 Al 0.4 alloy electr.de, the alloy was tr.ated in 6 mol/L KOH+0.02.mol/L KBH 4 solution. The r.sults showed that the surface tr.atment imp.oves the electr.chemical p.r.or.ances such as the electr.catalytic activity, high r.te dischar.eability and cycling dur.bility of the alloy electr.de. :The influences of Ca substitution for.Ml and surface tr.atment on electr.chemical p.r.or.ances of Ml 1.0- x Ca x Ni 4.0 Co 0.6 Al 0.4 hydr.gen stor.ge alloy electr.de wer. investigated. Ca substitution with x 2.for.Ml could imp.ove its dischar.e cap.city, but Ca substitution with x >0.2.could decr.ase the cap.city. It was also found that Ca substitution deter.or.tes the electr.catalytic activity, high r.te dischar.eability and cycling dur.bility of the alloy electr.de. In or.er.to imp.ove these p.op.r.ies of Ml 1.0- x Ca x Ni 4.0 Co 0.6 Al 0.4 alloy electr.de, the alloy was tr.ated in 6 mol/L KOH+0.02.mol/L KBH 4 solution. The r.sults showed that the surface tr.atment imp.oves the electr.chemical p.r.or.ances such as the electr.catalytic activity, high r.te dischar.eability and cycling dur.bility of the alloy electr.de.

关键词： hydr.gen stor.ge alloy electr.de Ca substitution surface modification

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