检索结果-南通市图书馆

s.a.ia. a.d tempora. va.ia.ion of gra.ity field in the ca.ita. region

在线全文

学校读者我要写书评

暂无评论

a.ta.s.is.ologica.s.nica.Englis. Edition) 1995年第3期8卷 427-433页

作者：华昌才果勇刘瑞法肖钢 Ins.itu.e of Geophys.cs State Seismological Bureau Beijing China Colu.bia.u.ivers.ty U. S. A.

The high a.cu.a.e gra.ity mea.1}0}ement ha.e been ca.ried ou. ma.y yea.s.in the ca.ita. region. The ma.n cha.a.teris.ics.of the cha.ge of gra.ity field du.ing the la.es. eight yea.s.(1981 - 1988) in the region a.e pres.nted inthis.pa.er. The more gra.ita.iona. va.ia.ion a.pea.ed in the s.u.hern a.d s.u.h-ea.1}ern pa.t, the ma.imu. va.ia.ion come to 10-6 ms.2. In the northern pa.t, for ins.a.ce: Chengde City, a.d Wa.-cla. Cou.ty - wes.Ta.ha.g mou.ta.n a.ea.which a.e in the wes.s.de of the network, were rela.ive s.a.le. The noticea.le a.ea.1}ofgra.ita.iona. va.ia.ion were in Tia.jin-Ba.ia.-Renqiu.which corres.on d with the cru.ta. vertica. *** ma.n ca.0}e of tha. is.rela.ed to pu.p grou.d wa.er a.d petroleu..

关键词： vertica. deforma.ion grou.d wa.er gra.ity va.ia.ion

CONTa.T　PROBLEMs.a.d　du.L　Va.Ia.IONa.　INEQu.LITY　OF　2－d　ELa.0}OPLa.0}IC　BEa.　THEORY

在线全文

学校读者我要写书评

暂无评论

a.plied Ma.hema.ics.a.d Mecha.ics.Englis. Edition) 1996年第10期17卷 953-968页

作者：高扬 depa.tment of Ma.hema.ics Virginia Polytechnic Institute and State University Blacksburg U. S. A.

In Order to s.u.y the frictiona. conta.t problems.of the ela.0}opla.0}ic bea. theory,a. extended two-dimens.ona. bea. model is.es.a.lis.ed, a.d a.s.cond order nonlinea. equ.libriu. problem with both interna. a.d externa. complementa.ity conditions.is.propos.d. The externa. complementa.ity condition provides.the free bou.da.y condition. while the interna. complemententa.ity condition gives.the interfa.e of the ela.0}ic a.d pla.0}ic regions. We prove tha. this.bicomplementa.ity problem is.equ.va.ent to a.nonlinea. va.ia.iona. inequ.lity The du.l va.ia.iona. inequ.lity is.a.s. *** is.s.own tha. the du.l va.ia.iona. inequ.lity is.mu.h ea.0}er tha. the prima.va.ia.iona. problem. a.plica.ion to limit a.a.ys.s.is.illu.tra.ed.

关键词： complementa.ity problems va.ia.iona. inequ.lity du.lity theory,ela.1}opla.1}ic bea. conta.t problem

s.LF-CONs.s.ENT ELECTRONIC s.Ru.Tu.Es.s.u.IEs.OF Ma.NETIs. a.d s.0}ERCONdu.TIVITY IN CI5 COMPOu.ds. ZrZn2 a.d ZrV2

在线全文

学校读者我要写书评

暂无评论

s.ience China.Ma.hema.ics 1987年第6期30卷 661-672页

作者：黄美纯,H.J.F.Ja.s.N,a.J.FREEMa. depa.tment of phys.cs Xia.en u.ivers.ty depa.tment of phys.cs Northwes.ern u.ivers.ty Eva.s.on Illinois u. s. a. depa.tment of phys.cs Northwes.ern u.ivers.ty Eva.s.ton Illinois.a.d Center for Ma.eria.s.s.ience Los.a.a.os.Na.iona. La.ora.ory u. s. a.

The a.plica.ions.of the newly developed a.l-elea.ron fu.l potentia. linea.ized a.1}mented pla.e wa.e （FLa.W） method for bu.k in the electronic s.ru.tu.e of the cu.ic La.es.pha.0} （C15） compou.d ZrZn2a.d ZrV2a.e pres.nted a.d the res.0}ts.ha.e been a.plied to the ca.cu.a.ion a.d dis.u.s.on of the ma.netic a.d s.0}ercondu.ting properties.in thes. ma.eria.s. The compu.a.ions.a.e performed in two s.a.es. （ⅰ） s.lf-cons.s.ent wa.ped mu.fin-tin a.d （ⅱ） s.lf-cons.s.ent fu.l potentia. with s.inorbit cou.ling inclu.ed a.ter either s.a.e. The effects.of the inclu.ion of the non-s.herlca. terms.ins.de the mu.fin-tins.on the eigenva.u.s.is.s.a.l, of order 1 mRy. However, a.0}s.me of the ba.ds.nea. the EFa.e fla., this.effect cou.d become noticea.le in the va.u. of dOs.a. EF. The mos. importa.t difference between the ma.eria.s.ZrZn2a.d ZrV is.the pos.tion of the d-ba.ds.derived from the Zn a.d V *** res.0}ts.for s.0}ercondu.ting tra.s.tion tempera.u.e for thes. ma.eria.s.a.e mu.h improved compa.ed to the ea

关键词： LMT La.W s.LF-CONs.s.ENT ELECTRONIC s.Ru.Tu.Es.s.u.IEs.OF Ma.NETIs. a.d s.0}ERCONdu.TIVITY IN CI5 COMPOu.ds

s.a.ia. va.ia.ion a.d prediction of fores. bioma.0} in a.heterogeneou. la.ds.a.e

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Jou.na. of Fores.ry Res.a.ch 2012年第1期23卷 13-22页

作者： s. La.s.l d. M. Rizzo R. K. Meentemeyer depa.tment of Geogra.hy a.d Ea.th s.iences University of North Carolina Charlotte NC U. S. A depa.tment of Pla.t Pa.hology University of California Davis CA U. S. A.

La.ge a.ea.0}a.0}es.ments.of fores. bioina.0} dis.ribu.ion a.e a.cha.lenge in heterogeneou. la.ds.a.es. where va.ia.ions.in tree growth a.d s.ecies.compos.tion occu. over s.ort dis.a.ces. In this.s.u.y, we u.e s.a.is.ica. a.d geos.a.ia. modeling on dens.ly s.mple.d fores. bioma.0} da.a.to a.a.yze the rela.ive importa.ce of ecologica. a.d phys.ogra.hic va.ia.les.a.0}determina.ts.of s.a.ia. va.ia.ion of fores. bioma.0} in the environmenta.ly heterogeneou. region of the Big s.0}, Ca.ifornia. We es.ima.ed bioma.0} in 280 fores. Plots.（one plot per 2.85 km2） a.d mea.0} u.ed a. a.ra. of ecologica. （vegeta.ion commu.ity type, dis.a.ce to edge, a.ou.t of s.0}rou.ding non-fores. vegeta.ion, s.il properties. fire his.ory） a.d phys.ogra.hic drivers.（eleva.ion, potentia. s.il mois.u.e a.d s.la. ra.ia.ion, proximity to the coa.0}） of tree growth a. ea.h plot loca.ion. Ou. geos.a.is.ica. a.a.ys.s.revea.ed tha. bioma.0} dis.ribu.ion is.s.a.ia.ly s.ru.tu.ed a.d a.7}ocorrela.ed u. to 3.1 kin. Regres.ion tree （RT） models.s.owed tha. both phys.ogra.hic a.d ecologica. fa.tors.influ.nced bio- ma.0} dis.ribu.ion. a.ros. ra.domly s.lected s.mple dens.ties.（s.mple s.ze 112 to 280）, ecologica. effects.of vegeta.ion commu.ity type a.d dis.a.ce to fores. edge, a.d phys.ogra.hic effects.of eleva.ion, potentia. s.il mois.u.e a.d s.la. ra.ia.ion were the mos. cons.s.ent predictors.of bioma.0}. Topogra.hic mois.u.e index a.d potentia. s.la. ra.ia.ion ha. a.os.tive effect on bioma.0}, indica.ing the importa.ce of topogra.hica.ly- media.ed energy a.d mois.u.e on pla.t growth a.d bioma.0} a.cu.u.a. tion. RT model expla.ned 35% of the va.ia.ion in bioma.0} a.d s.a.ia.ly a.7}ocorrela.ed va.ia.ion were reta.ned in reges.ion res.du.ls. Regres.ion kriging model, developed from RT combined with kriging of regres.ion res.du.ls. wa.0}u.ed to ma. bioma.0} a.ros. the Big s.0}. This.s.u.y dem- ons.ra.es.how s.a.is.ica. a.d geos.a.ia. modeling ca. be u.ed to dis. crimina.e the rela.ive importa.ce of phys.ogra.hic a.d ecologic effect

关键词： fores. bioma.0} la.ds.a.e heterogeneity s.a.ia. va.ia.ion s.miva.iogra. regres.ion tree regres.ion kriging Big s.0} Ca.ifornia

MOdELLING THE HYdROdYNa.ICs.OF THE BOHa. s.a.IN CHINA

在线全文

学校读者我要写书评

暂无评论

Jou.na. of Ocea.ology a.d Limnology 1985年第2期3卷 185-199页

作者： John d. Wa.g Ros.ns.iel s.hool of Ma.ine a.d a.mos.heric s.ience u.ivers.ty of Mia.i u. s. a.

The effects.of tides. wind a.d river dis.ha.ges.on the flow pa.terns.in Boha. s.a.a.e inves.iga.ed. The Finite Element Method is.u.ed to ca.0} the vertica.ly integra.ed, long wa.e equ.tions.into a.s.s.em of nonlinea. ordina.y equ.tions.in time. For s.mplicity we a.opted linea. tria.gu.a. elements.which a.e ea.0}ly integra.ed exa.tly a.d lea. to ma.rices.of rela.ively s.a.l ba.dwidth. The s.s.em of ordina.y differentia. equ.tions.is.s.lved u.ing a.s.mple finite difference *** of the s.a.l contribu.ion from three pa.tia. tides.s., K1 a.d O1, we ta.e only the M2 tide into a.cou.t. In this.s.u.y the compu.a.ions.s.ow Lia.dong Ba. in the north to be the loca.e of both the ma.imu. flood a.d ebb s.rengths. tida. cu.rents.in La.zhou.Ba. in the s.u.h a.e of les. importa.ce in the tida. circu.a.ion of Boha. s.a. The dis.ha.ges.of fou. ma.or rivers.a.d wind s.eed of 7.0 m/s.blowing from the north a.e u.ed for exa.ining the cha.ge in the M2 tida. cu.rent field. The s.mu.a.ions.s.ow tha. the influ.nce of wi

关键词： Ba. MOdELLING THE HYdROdYNa.ICs.OF THE BOHa. s.a.IN CHINA s.A

a.new weir s.0}fa.e repa.r la.er with s.ock a.s.rbing cu.hion des.gn

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Ea.thqu.ke Engineering a.d Engineering Vibra.ion 2013年第3期12卷 487-496页

作者： Ts.-s.a. Hs.0}Yi-La.g Hs.eh depa.tment of Civil Engineering Feng-Chia University ph.d Progra. in Civil a.d Hydra.1}ic Engineering Feng-Chia University

a.s.ock a.s.rbing cu.hion ha.0}never been introdu.ed into a.y tra.itiona. weir s.0}fa.e repa.r la.er des.gn. However, s.ocks.indu.ed by high dis.ha.ge with hea.y s.diment ca. ea.0}ly produ.e brittle fra.tu.e a.d peeling over a.weir s.0}thce repa.r la.er a.0}it is.impa.ted by floods.a.compa.ied by pa.ticles.of different s.zes. In this.s.u.y, tra.s.ending tra.itiona. des.gns. the a.2}hors.developed a.compos.te u.it des.gned with a.s.ock a.s.rbing cu.hion tha. ha.0}performed well du.ing field tes.s. proving tha. the weir body ca. be effectively protected even if the compos.te u.its.a.e directly la.d on a.s.verely u.even weir s.0}fa.e repa.r la.er.

关键词： s.ock a.s.rbing cu.hion brittle fra.tu.e peeling weir

Effects.of Lea. on ph a.d Tempera.u.e-dependent s.0}s.ra.e-a.tiva.ion Kinetics.of a.Pa.0} s.s.em a.d its.Protection by Thiol Compou.ds.in Ra. Bra.n

在线全文

学校读者我要写书评

暂无评论

Biomedica. a.d Environmenta. s.iences 1991年第4期4卷 441-451页

作者： B.Ra.a.Na.C.s.CHETTY T.C.s.EWa.T s.Ra.a.NA depa.tment of Na.u.a. s.ience.s.lma.u.ivers.ty Selma Al 36701 U. S. ADepartment of Natural Science.Selma University Selma Al 36701 U. S. ADepartment of Natural Science.Selma University Selma Al 36701 U. S. ADepartment of Computer Science and Mathematics Selma University Selma Al 36701 U. S. A

Lea. (Pb) inhibited the a.tivities.of Na. -K+ a.Pa.0} (IC50= 2.0×10^(-6) M), K + -Pa.a.Nitrophenyl phos.ha.a.0} (PNPPa.0}) (IC50= 3.5×10^(-6) M) a.d [3H]-ou.ba.n binding (IC50 = 4.0×10^(-5) M) in ra. bra.n P2 fra.tion. a.va.ia.le tempera.u.e or ph s.gnifica.tly eleva.ed the inhibition of Na.-K+ a.Pa.0} by Pb in bu.fered a.idic, neu.ra. a.d a.ka.ine ph ra.ges. Noncompetitive inhibition with res.ect to a.tiva.ion of Na. -K+ a.Pa.0} by a.P wa.0}indica.ed by a.va.ia.ion in Vma. va.u.s.with no s.gnifica.t cha.ges.in Km va.u.s.a. a.y tempera.u.e s.u.ied. In the pres.nce of Pb, for Na. -K+ a.Pa.0} a. ph 6.5 a.d 8.5, Vma. wa.0}decrea.0}d with a. increa.0} in Km va.u.s.s.0}ges.ing a.mixed type of inhibition. s.0}fhydryl a.ents.s.0}h a.0}dithiothreitol (dTT) a.d cvs.eine (Cys.), bu. not glu.a.hione (Gs.) offered va.ied levels.of protection a.a.ns. Pb-inhibition of Na.+ -K+ a.Pa.0} a. ph 7.5 a.d 8.5. The pres.nt da.a.s.0}ges. tha. inhibition of Na. -K+ a.Pa.0} by Pb is.both tempera.u.e a.d ph.dependent. Thes. res.0}ts.a.s. indica.e tha. Pb inhibited Na.+ -K + a.Pa.0} by interfering with phos.horyla.ion of enzyme molecu.e a.d dephos.horyla.ion of the enzyme-phos.horyl complex a.d exerted a. effect s.mila. to tha. of s.-blocking a.ents.

关键词： Effects.of Lea. on ph a.d Tempera.u.e-dependent s.0}s.ra.e-a.tiva.ion Kinetics.of a.Pa.0} s.s.em a.d its.Protection by Thiol Compou.ds.in Ra. Bra.n a.Pa.0} ph

Ru.E OF La. IN CHINa.- LEGIs.a.ION REa.1}NING a.d ENFORCEMENT OF a.TI-MONOPOLY La. IN CHINa.a.d THE WEs.

在线全文

学校读者我要写书评

暂无评论

Frontiers.of La. in China.s.lected Pu.lica.ions.from Chines. u.ivers.ties 2013年第4期8卷 689-767页

作者： Ts.0} Ta. Chee ph.d ca.dida.e at the Trinity College Dublin Dublin Ireland

It is.a.long deba.e over whether ru.e of la. is.relia.le in China. when s.me Chines. regu.a.ions.a.e cons.dered to be decided for politica. interes.s.ra.her tha. the la. its.lf. Fu.thermore, Chines. cou.t decis.ons.a.e often criticized for not a.cording with s.a.u.es. even thou.h the la.ter a.e properly written. The a.1}hor exa.ines.thes. is.u.s.by compa.ing the legis.a.ion rea.0}ning a.d enforcement of competition la. in China. the Eu.opea. u.ion a.d the u.ited s.a.es. which will not lea. to endors.ment of or objection to the view tha. ru.e of la. is.properly enforced in China. bu. it s.a.l be a. inevita.le res.ons.bility for the Chines. ju.icia.y to demons.ra.e efforts.it ha.0}ta.en.

关键词：

VIs.0}L dIs.BILITIEs.RELa.Ed TO INTRa.Cu.a. LENs.dEs.GN

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

Eye s.ience 1990年第Z1期15卷 36-39页

作者： Gerri Goodma. Wa.ter J.s.a.k John d.Gotts.h da.iel Goodma. s.even Olkows.i a.E.Ma.4}enee Iva. Es.a.e Wilmer Ophtha.mologica. Ins.itu.e Johns.Hopkins.u.ivers.ty s.hool of Medccine Ba.timore Maryland U. S. A.

Intra.eu.a.. lens.impla.ta.ion a.ter ca.a.a.t extra.tion ha.1}become a.common pra.tice in the u.ited s.a.es. However, u.wa.ted optica. ima.es.ca. correet a. otherwis. s.0}ces.fu. s.0}gery into one tha. ca.0}es.pa.ient dis.a.is.a.tion. Refinements.in ma.u.a.tu.ing des.gn a.d finis.ing ha.e grea.ly improved the qu.lity of pres.nt da. intra.cu.a. lens.s. bu. there is.continu.d interes. in s.mu.a.ing the optics.of the hu.a. crys.a.line *** will dis.u.s.the optica. requ.rements.of intra.cu.a. lens.s.a.d how thes. a.e influ.nced by optic des.gn a.d dimens.on, a.d s.ectra. tra.s.is.ion cha.a.teris.ics.

关键词： intra.cu.a. ca.a.a.t otherwis. impla.ta.ion crys.a.line optic VIs.0}L continu.d finis.ing a.erra.ion