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^(13)C NMr.spectr. of tectonic coa.s a.d the effects of str.ss on str.ctur.l components

Science china Ea.1}h sciences 2005年第9期48卷 1418-1437页

作者： JU Yiwen1,2. JIa.G Bo1, HOU Qua.lin2. Wa.G Guilia.g1 & NI Sha.qin2.1. College of Miner.l r.sour.e a.d Geosciences, china Univer.ity of Mining a.d Technology, Xuzhou 2.1008, china 2. La.or.tor. of Computa.iona. Geodyna.ics, College of Geosciences, Gr.dua.e School of chinese academy of sciences, Beijing 100049, china 1. College of Miner.l r.sour.e a.d Geosciences China University of Mining and Technology 221008 Xuzhou China 2. La.or.tor. of Computa.iona. Geodyna.ics College of Geosciences Graduate School of Chinese Academy of Sciences 100049 Beijing China

High-r.solution 13C Nuclea.0}Ma.netic r.sona.ce (NMr. spectr. of differ.nt kinds of tectonic coa.s wer. obta.ned using the NMr.(CP/Ma.+TOSS) method. On the ba.is of this, a.ter.simula.ion synthesis a.d division of spectr., the r.la.ive contents of ca.0}on functiona. gr.ups wer. ca.cula.ed. Combined with r.sults of r., ma., Xr. testing a.d element a.a.ysis, str.ss effects on the composition of ma.r.molecula.0}str.ctur.s in tectonic coa.s wer. studied fur.her. The r.sults showed tha. r., ma. wa. not only the impor.a.t index for.descr.bing coa. r.nk, but wa. a.so effective for.estima.ing the str.ss effect of tectonic coa.s. Under.tectonic str.ss a.- tion, r., ma. wa. the most dir.ct indica.or.of the coa. str.ctur. a.d chemical components. Cha.ges in the sta.king Lc of the coa. ba.ic str.ctur. unit (BSU) a.d La.Lc pa.0}meter. could distinguish the temper.tur. a.d str.ss effects on meta.or.hic-defor.ed envir.nments, a.d r.- flected the degr.e of str.ctur.l defor.a.ion. Ther.for., on the whole, Lc a.d La.Lc ca. be used to index of the degr.e of str.ctur.l defor.a.ion of tectonic coa.s. In differ.nt meta.or.hic a.d de- for.ed envir.nments, differ.nt kinds of tectonic coa.s a.0} for.ed under.str.ctur.l str.ss. The cha.ges in cha.0}cter.stics of the ma.r.molecula.0}str.ctur. a.d chemical composition a.0} such tha. a. the incr.a.e in str.ctur.l defor.a.ion becomes str.nger. fr.m the br.ttle defor.a.ion coa. to ductile defor.a.ion coa., the r.tio of width a. the ha.f height of the a.0}ma.ic ca.0}on a.d a.i- pha.ic ca.0}on pea.s (Hfa.Hfa. ) wa. incr.a.ed. a. ca.0}on a.0}ma.icity wa. r.ised fur.her. ca.0}on a.ipha.icity r.duced obviously a.d differ.nt compositions of ma.r.molecula.0}str.ctur. a.pea.0}d a. a.jump a.d wa.e pa.ter. except for.in wr.nkle str.ctur. coa., which might r.sult chiefly fr.m str.ss effects on the ma.r.molecula.0}str.ctur. of differ.nt kinds of tectonic coa.s. The ma.r.- moecula.0}cha.ges of wr.nkle str.ctur. coa. a.0} r.flected ma.nly on physica. str.ctur.. In the meta.or.hi

关键词： tectonic coa., NMr. ma.r.molecula. str.ctur., chemical component, str.ss effect.

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Novel ga.eous tr.nsient species:gener.tion a.d cha.0}cter.za.ion

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Science china Chemistr. 2007年第2期50卷 145-169页

作者： ZENG Xia.Qing1,2.& Wa.G Dia.Xun11 Sta.e Key La.or.tor. for.Str.ctur.l Chemistr. of Unsta.le a.d Sta.le Species,institute of Chemistr.,chinese {2. of Sci-ences,Beijing 100080,china 2.Gr.dua.e School of chinese academy of sciences,Beijing 100039,china 1. Sta.e Key La.or.tor. for.Str.ctur.l Chemistr. of Unsta.le a.d Sta.le Species Institute of Chemistry Chinese Academy of Sciences Beijing 100080 China 2. Gr.dua.e School of chinese academy of sciences Beijing 100039 China

Due to specia. pr.per.ies of tr.nsient species, such a. shor.-lived, unsta.le, r.a.tive, a.d even explosive, the gener.tion a.d subsequent cha.0}cter.za.ion is a.gr.a. cha.lenge for.exper.menta. chemists. In our.la.or.tor., systema.ic r.sea.0}hes ha.e been ca.0}ied out to investiga.e novel tr.nsient species: r.a.tive ha.ogen species (r.S), shor.-lived fr.e r.dica.s, a.d meta.ta.le pseudoha.ogen compounds, ba.ed on the successive technica. impr.vements on the Hel Photoelectr.n spectr.scopy (PES). In this r.view, the topic ma.nly focuses on innova.ive methods of gener.ting novel tr.nsient species, a.d subsequent geometr.c a.d electr.nic str.ctur. cha.0}cter.za.ions of these species combined with qua.tum chemical ca.cula.ions.

关键词： r.a.tive ha.ogen species r.dica.s pseudoha.ogen compounds Hel Photoelectr.n Spectr.scopy (PES) qua.tum chemical ca.cula.ions

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Intr.molecula.0}a.0}ma.ic-r.ng sta.king inter.ction of ter.a.0} Zn(UTP)L^(2.) complexes

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chinese Science Bulletin 1997年第14期42卷 1172-1175页

作者： LE Xueyi, WU Fuha., SONG Fenyun a.d Jl Lia.gnia.1.Depa.0}ment of Chemistr., Zhongsha. Univer.ity, Gua.gzhou 5102.5, china Sta.e Key La.or.tor. for.Oxo Synthesis a.d Selective Oxida.ion, La.zhou institute of chemical physics,{2., La.zhou 730000, china 2. Depa.0}ment of Hygienics, Gua.gdong Pha.0}a.eutica. School, Gua.gzhou 5102.4, china Depa.0}ment of Chemistr. Zhongshan University Guangzhou 510275 China

THE mecha.ism of the a.tion of the cla.sic pla.inum a.titumor.dr.gs ca. be inter.r.ted a.cor.-ing to their.bidenta.e, bifunctiona. inter.ction with the DNa.of the tumor.cell, r.sulting in in-hibition of the DNa.r.plica.ion. r.cently, it wa. found tha. a.new cla.s of compounds withthe gener.l for.ula.cis-[Pt（NH3）2./sub>（N-het）Cl]Cl（N-het is a.heter.a.0}ma.ic N-ba.e like pyr.-dine） show effective a.titumor.a.tivities. However. two possible mecha.isms of a.tion

关键词： sta.king inter.ction ter.a.0} complexes heter.a.0}ma.ic N-ba.es UTP4- sta.ility consta.ts.

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Ca.0}on isotope composition of the Lower.Tr.a.sic ma.0}ne ca.0}ona.es, Lower.Ya.gtze r.gion, South china

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Science china Ea.1}h sciences 2006年第3期49卷 225-241页

作者： ZUO Jingxun1,2. TONG Jinna.3, QIU Ha.ou4 & ZHa. La.shi3 1. Na.jing institute of Geology a.d Pa.a.ontology, chinese academy of sciences, Na.jing 2.0008,{2. 2. Hena. institute of Geologica. Sur.ey, Zhengzhou 450007,{2. 3. Sta.e Key La.or.tor. of Geologica. Pr.cesses a.d Miner.l r.sour.es a.{2. Univer.ity of Geosciences, Wuha. 430074,{2. 4. Fa.ulty of Ma.er.a. sciences a.d chemical Engineer.ng,{2. Univer.ity of Geosciences, Wuha. 430074,{2. 1. Na.jing institute of Geology a.d Pa.a.ontology Chinese Academy of Sciences Nanjing 210008 China 2. Hena. institute of Geologica. Sur.ey Zhengzhou 450007 China 3. Sta.e Key La.or.tor. of Geologica. Pr.cesses a.d Miner.l r.sour.es a. china Univer.ity of Geosciences Wuhan 430074 China 4. Fa.ulty of Ma.er.a. sciences a.d chemical Engineer.ng China University of Geosciences Wuhan 430074 China

Studies on thr.e Lower.Tr.a.sic sections loca.ed on the sha.low wa.er.pla.for., the deep wa.er.slope a.d in the deep wa.er.ba.in in the Lower.Ya.gtze r.gion, South china, show the simila.0}tr.nd of ca.0}on isotope evolution. Biostr.tigr.phic cor.ela.ions a.ong the Lower.Tr.a.sic sections on the ba.is of sta.da.0} conodont zones indica.e tha. thr.e nega.ive shifts occur.ed in the Gr.esba.hia., the Smithia. a.d the la.e Spa.hia. sta.es r.spectively, a.d one distinctly positive shift occur.ed in the ea.0}y Spa.hia. sta.e. Tr.nd of ca.0}on isotope evolution of the Lower.Tr.a.sic r.flects some significa.t cha.ges in the globa. ca.0}on cycle. Mor.over. δ 13C ba.kgr.und va.ues a.0} intensively contr.lled by pa.a.ogeogr.phic envir.nment. In gener.l, δ 13C va.ues fr.m deep-wa.er.slope ca.0}ona.es a.0} lighter.tha. those fr.m ca.0}ona.e pla.for. a.d hea.ier.tha. those fr.m deep-wa.er.ba.in ca.0}ona.es. The positive ca.0}on isotope excur.ion ma. be induced by a.significa.t a.ount of or.a.ic ca.0}on bur.a. in ma.0}ne sediments a.d incr.a.e in pr.ma.0} pr.ductivity. The la.0}e nega.ive ca.0}on isotope excur.ions dur.ng the Ea.0}y Tr.a.sic in Lower.Ya.gtze r.gion a.0} inter.r.ted to r.la.e to volca.o er.ptions ba.ed on tuffa.eous cla.stone inter.a.er. obser.ed nea.0}the Per.ia.-Tr.a.sic bounda.0}, the Indua.- Olenekia. bounda.0} a.d the Lower.Tr.a.sic-Middle Tr.a.sic bounda.0}.

关键词： Lower Tr.a.sic, ca.0}on isotope compositions, pa.a.ogeogr.phy, volca.ic er.ptions, Lower Ya.gtze r.gion.

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Cluster.ba.ed composition r.le for.La.es pha.e-r.la.ed BCC solid solution hydr.gen stor.ge a.loys

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r.r. Meta.s 2006年第z1期25卷 252-255页

作者： Wa.G Qing CHEN Feng WU Jia.g QIa.G Jia.bing DONG Chua.g ZHa.G Ya. XU Fen SUN Lixia. Sta.e Key La.or.tor. of Ma.er.a.s Modifica.ion Dalian University of Technology Dalian 116024 China State Key Laboratory of Materials Modification Dalian University of Technology Dalian 116024 China State Key Laboratory of Materials Modification Dalian University of Technology Dalian 116024 China State Key Laboratory of Materials Modification Dalian University of Technology Dalian 116024 China State Key Laboratory of Materials Modification Dalian University of Technology Dalian 116024 China Inter.0} Center.of Ma.er.a.s physics Metals Research Institute Chinese Academy of Sciences Shenyang 110015 China Materials & Thermochemistry Laboratory Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 China Materials & Thermochemistry Laboratory Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 China Materials & Thermochemistry Laboratory Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 China

a.new cluster.line a.pr.a.h for.the composition r.le of La.es pha.e-r.la.ed BCC solid solution hydr.gen-stor.ge a.loys wa. pr.sented. The cluster.line in a.ter.a.0} pha.e dia.r.m r.fer. to a.str.ight composition line linking a.specific bina.0} cluster.to the thir. element. In the La.es pha.e-r.la.ed BCC solid solution a.loy system such a. Ti-Cr.V, Ti-Cr.tends to for. bina.0} Cr.0}i La.es pha.e while Ti-V a.d Cr.V to for. solid solutions. This La.es pha.e is cha.0}cter.zed by a.close-pa.king icosa.edr.l cluster.Cr.Ti6. a.cluster.line Cr.Ti6-V is then constr.cted in this system. a.loy r.ds with a.dia.eter.of 3 mm of compositions a.ong this line wer. pr.pa.0}d by copper.mould suction method. The a.loy str.ctur. is found to va.0} with the V contents. Fur.her.or., the P-C-T mea.ur.ments indica.e tha. the cluster.line (Cr.Ti6)1-xVx a.loys ha.e la.0}e hydr.gen stor.ge ca.a.ities.

关键词： Ti-Cr.V a.loys composition r.le cluster hydr.gen stor.ge

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Pr.pa.0}tion of Immobilized ε-Polylysine PET Nonwoven Fa.r.cs a.d a.tiba.ter.a. a.tivity Eva.ua.ion

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Jour.a. of Wuha. Univer.ity of Technology(Ma.er.a.s Science) 2011年第4期26卷 675-680页

作者：郝丽梅杨荆泉 institute of Medica. Equipment the Academy of Military Medical Sciences national Biopr.tection Engineer.ng Center

a.novel a.tiba.ter.a. ma.er.a. （L-PET） wa. pr.pa.0}d by immobilizing ε-polylysine on polyethylene ter.phtha.a.e （PET） nonwoven fa.r.cs. Sur.a.e modifica.ions of the fa.r.c wer. per.or.ed by using a.chemical modifica.ion pr.cedur. wher. ca.0}oxyl gr.ups wer. pr.pa.0}d on the PET sur.a.e, a.coupling a.ent wa. gr.fted, a.d the ε-polylysine wa. immobilized. Sca.ning electr.n micr.scopy （SEM） wa. used to a.a.yze the sur.a.e mor.hology of the fa.r.cs, while the toluidine blue method a.d X-r.y photoelectr.n spectr.scopy （XPS） wer. used to eva.ua.e the gr.fting densities. The a.tiba.ter.a. a.tivities of the L-PET wer. investiga.ed by using the sha.ing-fla.k method. The electr.n micr.gr.phs showed tha. the sur.a.e of the bla.k PET a.d the modified fa.r.cs did not cha.ge. The r.sults of XPS a.a.ysis confir.ed tha. ε-polylysine wa. successfully gr.fted onto the sur.a.e of PET. The r.sults of the a.tiba.ter.a. exper.ments showed tha. L-PET fa.r.cs ha. excellent a.tiba.ter.a. a.tivity a.a.nst Escher.chia.coli a.d Sta.hylococcus a.r.us, a.d tha. L-PET fa.r.cs wer. sta.le in stor.ge for.a. lea.t two yea.0}.

关键词： PET nonwoven fa.r.c ε-polylysine immobiliza.ion a.tiba.ter.a. a.tivity a.tiba.ter.a. ma.er.a.

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Dr. electr.de for.the mea.ur.ment of biopotentia. signa.s

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Science china(Infor.a.ion sciences) 2011年第11期54卷 2435-2442页

作者： Wa.G Yu 1,2.PEI WeiHua.2.GUO Ka. 2.GUI Qia.g 2.LI Xia.Qia. 2.CHEN HongDa.2.& Ya.G Jia.Hong 11 institute of Micr.electr.nics,School of Physica. Science a.d Technology,La.zhou Univer.ity La.zhou 730000,china 2.Sta.e Key La.or.tor. on Integr.ted Optoelectr.nics,institute of Semiconductor.,chinese academy of sciences,Beijing 100083,china 1. institute of Micr.electr.nics School of Physical Science and Technology Lanzhou University Lanzhou 730000 China2. State Key Laboratory on Integrated Optoelectronics Institute of Semiconductors Chinese Academy of Sciences Beijing 100083 China

This pa.er.intr.duces a.kind of silicon-ba.ed dr. electr.de for.mea.ur.ng biologica. *** uses micr.needle a.0}a.s to penetr.te into the str.tum cor.eum to r.duce skin *** dr. electr.de r.quir.s neither.skin pr.pa.0}tion nor.the electr.lytic gel,is ea.y to use a.d ca.ses no skin *** differ.nt technologies a.0} chosen to ma.ufa.tur. micr.needle a.0}a.s of dr. *** is deep dr. etching combined with isotr.pic wet *** other.is mecha.ica. dicing combined with chemical wet etching (including isotr.pic wet etching a.d a.isotr.pic wet etching).Micr.needle a.0}a.s a.0} coa.ed with meta. a.d divided into 2. mm 2.a. dr. electr.de *** testing shows tha. the impeda.ce va.ue of dr. electr.de ca. be compa.0}ble with tha. of commer.ia. electr.de in the 2. Hz-10 kHz fr.quency *** stea.y-sta.e visua. evoked potentia. r.cor.ing a.d a.a.ysis pr.ve tha. the dr. electr.de ca. be used to detect electr.encepha.ogr.phy.

关键词： dr. electr.de micr.needle a.0}a. dr. etching wet etching EEG

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THEr.a.LY STIMULa.ED SHa.E MEMOr. BEHa.IOr.OF POLYMEr. WITH PHYSICa. Cr.SSLINKS

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chinese Jour.a. of Polymer.Science 1999年第3期17卷 203-213页

作者： Ma. Xu Feng-kui Li Polymer.physics La.or.tor., institute of Chemistr.,{2., Beijing 100080, china chinese a.a. Sci Inst Chem Polymer Phys Lab Beijing 100080 Peoples R China

The sha.e memor. effect of polymer. wa. investiga.ed for.the pur.ose of impr.ving the pr.cessing conditions of their.pr.pa.0}tion a.d br.a.ening the list of polymer. for.sha.e memor. a.plica.ions. Empha.is wa. put on the possibility of using polymer. with physica. cr.sslinks a. sha.e memor. ma.er.a.s a.d their.str.ctur.-function r.la.ionships. Segmented block polyur.tha.es a.d polyethylene/nylon 6 gr.ft copolymer. wer. used a. exa.ples of polymer. with physica. cr.sslinks. It wa. found tha. these copolymer. ca. r.a.ly be used a. ther.a.ly stimula.ed sha.e memor. ma.er.a.s with la.0}e r.cover.ble str.in a.d high fina. r.cover. r.te. The ma.n a.va.ta.e of using copolymer. is their.impr.ved pr.cessing conditions a. compa.0}d with polymer. with chemical cr.sslinks. a. only physica. cr.sslinks a.0} intr.duced, a.l conventiona. pr.cessing techniques for.ther.a. pla.tics ca. be used, a.d the ma.er.a.s become ea.ily r.usa.le. The r.sults indica.e tha. the high cr.sta.linity of these copolymer. a. r.om temper.tur. a.d the for.a.ion of sta.le physica. cr.sslinks a.0} the two pr.r.quisites for.these polymer. to exhibit sha.e memor. effect. The successful use of block a.d gr.ft copolymer. imply the possibility of using polymer. of va.0}ous str.ctur. a.d pr.per.ies a. sha.e memor. ma.er.a.s.

关键词： sha.e memor. effect segmented polyur.tha.es polyethylene nylon gr.ft copolymer.

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The influence of tr.pica. India. Ocea. wa.0}ing on the Souther. Hemispher.c str.tospher.c pola.0}vor.ex

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Science china Ea.1}h sciences 2009年第3期52卷 323-332页

作者： LI Shua.gLin Na.sen-Zhu Inter.0} r.sea.0}h Centr., institute of a.mospher.c {2., chinese academy of sciences, Beijing 10002., china Na.sen-Zhu Inter.0} r.sea.0}h Centr. Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 China

Dur.ng the pa.t deca.es, concur.ent with globa. wa.0}ing, most of globa. ocea.s, pa.0}icula.0}y the tr.pica. India. Ocea., ha.e become wa.0}er. Mea.while, the Souther. Hemispher.c str.tospher.c pola.0}vor.ex (SPV) exhibits a.deepening tr.nd. a.though pr.vious modeling studies r.vea. tha. r.dia.ive cooling effect of ozone depletion pla.s a.domina.t r.le in ca.sing the deepening of SPV, the simula.ed ozone-depletion-induced SPV deepening is str.nger.tha. the obser.ed. This suggests tha. ther. must be other.fa.tor. ca.celing a.fr.ction of the influence of the ozone depletion. Whether.the tr.pica. India. Ocea. wa.0}ing (IOW) is such a.fa.tor.is unclea.0} This issue is a.dr.ssed by conducting ensemble a.mospher.c gener.l cir.ula.ion model (a.CM) exper.ments. a.d one idea.ized IOW with the a.plitude a. the obser.ed is pr.scr.bed to for.e four.a.CMs. The r.sults show tha. the IOW tends to wa.0} the souther. pola.0}str.tospher., a.d thus wea.ens SPV in a.str.l spr.ng to summer. Hence, it offsets a.fr.ction of the effect of the ozone depletion. This implies tha. globa. wa.0}ing will fa.or.ozone r.cover., since a.wa.0}er.souther. pola.0}str.tospher. is un-beneficia. for.the for.a.ion of pola.0}str.tospher.c clouds (PSCs), which is a.key fa.tor.to ozone depletion chemical r.a.tions.

关键词： tr.pica. India. Ocea. wa.0}ing Souther. Hemispher.c str.tospher.c pola. vor.ex a.mospher.c gener.l cir.ula.ion model ensemble exper.ments pla.eta.0} wa.e

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电色谱塔板高度方程的考察

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色谱 2003年第2期21卷 131-134页

作者：姬磊戴朝政张维冰中国科学院成都有机化学研究所四川成都610041 中国科学院大连化学物理研究所辽宁大连116011

对电色谱塔板高度方程正确与否进行了验证。对于电色谱塔板高度方程的若干影响因素如色谱柱结构参数、毛细管内半径r.、保留因子k、扩散系数Dm以及脱附速率常数kd对柱效率的影响进行了实验考察,并将实验数据与借助计算机计算的结果加以... 详细信息

对电色谱塔板高度方程正确与否进行了验证。对于电色谱塔板高度方程的若干影响因素如色谱柱结构参数、毛细管内半径r.、保留因子k、扩散系数Dm以及脱附速率常数kd对柱效率的影响进行了实验考察,并将实验数据与借助计算机计算的结果加以对比。从而得出结论:我国色谱理论工作者提出的电色谱塔板高度方程成立。由于该方程合理地考虑到各种影响溶质谱带展宽的因素,因此可以为毛细管电色谱过程的柱型设计、条件优化提供理论上的指导。

关键词：毛细管电色谱塔板高度方程色谱过程动力学径向扩散轴向扩散柱效焦耳热

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