简介：Theadsorptionprocessesofantibioticsofthetetracylinegroup(ATG)byseveralhome-madesulfocationitesarestudiedinthispaper.TheresultsshowthattheadsorptionmaybeofnonequivalentnormalityundercertainpHcondition.Theadsorptionmechanismisdiscussedwithinfraredspectrometry.ItcanbeconcludedthatATGcaninteractwithsulfocationitesbyionexchangemechanismorion-transfermechanismorbothofthem.

简介：

简介：Theadsorptionof2,4-dinitrophenoland2,6-dinitrophenolonnon-polarandpolaradsorbentswasstudied.TheresultsshowedthattheequilibriumadsorptiondidnotcomplywiththeLangmuirequationandwasnotmono-layeradsorption.ItisofinteresttonoticethattheeffectofpHontheadsorptionof2,4-or2,6-dinitrophenolontoADS-7andADS-21wasverysmall,Theresultisexplainedbyhydrogenbondinginteractionbetween2,4-or2,6-dinitrophenolandtheadsorbentADS-21.ThelargeadsorptioncapacityofdinitrophenolontoADS-21,whichwasabout500mg/gatanequilibriumconcentrationof400mg/L,andthesmalldinitrophenolleakageintheeffluentfromADS-21columnpresentedagoodprospectfortreatmentofwastewatercontainingdinitrophenolwithadsorbentADS-21.

简介：在这篇论文，在另外的事情之中，作者学习弱*关上的左翻译半组代数学和组代数学的不变的补充潜水艇空间。另外，作者学习在设计和顺从之间的关系。

简介：Inthispaper,theradiationgraftcopolymerofMgO,SiO2andY-molecularsieveontoorganiccompounds,suchasmethacrylate,styreneandacrylomitrileobtainedbyper-radiationmethodwerecharacterizedbyX-raydiffraction,pyrolysisgaschromatography,GPCandX-rayphotoelectronspectroscopy.

简介：Sphericalcrosslinkedpolystyrene-isocyanuricacidresinwassynthesizedbyreactionofchloromethylatedpolystryenewithisocyanuricacid.Thesorptionisothermsofphenolfromaqueoussolutionandcyclohexanesolutionontotheresinweremeasured.Itisofinteresttonoticethattheresinsorbedphenolefficientlythoughitsspecificsurfaceareawas0anddidnotswellinwater,andthesorptioncapactityfromaqueoussolutionwasclosetothatofphenolontoXAD-4atthesameequilibriumconcentration.SorptionenthalpiescalculatedfromtheisothermsaccordingtotheClausius-Clapeyronequationwere-21-25kJ/moland-39-41kJ/molrespectively.Thesevaluesimpledthatthesorptionprocesseswerebasedonhydrogenbonding.Inaddition.thedetailsofthehydrogenbondingbetweentheactivesitesoftheresinandphenolweresuggested.

简介：

简介：在神经氧化铝上支持的Tungstophosphoric酸(HPW)催化剂被学习。它借助于平衡和早期的湿受精技术被准备。在50%V/V乙醇水的HPW的答案被用来在25℃使Al_2O_3妊娠。在500℃由锻烧包含30%PW的催化剂在缩荃或ketals的合成显示出更高的催化活性，这被发现。处于下列条件，也就是说臼齿的比率ofaldehyde/ketone到乙二醇是1:1.5，使用的催化剂的集体部分是0.5%，并且在那里，行动时间是1.0h；ketals和缩荃的收益能到达直到60.5%-86.7%。而且，它能容易被恢复并且再使用。

简介：

简介：

简介：SYSWELDwasusedtosimulatein-serviceweldingprocessofgaspipelineofX70pipelinesteel.Weldingthermalcycle,stressanddeformationofin-serviceweldedjointwerestudied.Theresultsshowthatpeaktemperatureofcoarsegrainheat-affectedzone(CGHAZ)ofin-serviceweldingontogaspipelineisthesamewithroutinewelding,butt_(8/5),t_(8/5)andt_(8/1)decreaseatcertaindegree.Forthezonenearweldedseam,axialstressandhoopstressintheinnerpipewallarecompressivestresswhenweldingsourcepassesthroughthecross-sectionthatisstudied,butresidualaxialstressandresidualhoopstressafterweldedarealltensilestress.Transientdeformationandresidualdeformationareallconvexdeformationcomparedwiththeoriginalpipediametersize.Deformationachievesmaximumwhenweldingthermalsourcepassesthroughthecross-sectionthatisstudiedandthendecreasesduringthecoolingprocessafterwelding.

简介：Dual-platestructureisveryeffectiveintheprotectionofspacevehiclefromhypervelocityim-pact.TheexperimentsofA1projectileimpactingA1dualtargetsatthevelocityrangingover2.5—7.0km/sweresystematicallyconducted.Thedamageeffectswereexamined,includingtheperforationoftheshield,thedevelopmentofdebriscloudandthegeneraldamagecharacteristicsofthesubplate.Manyvaluableexperi-mentaldataandphenomenahavebeenobtained

简介：

简介：

简介：WepresentaparalleliterativealgorithmtofindtheshortestdistanceprojectionofagivenpointontotheintersectionofafinitenumberofclosedconvexsetsinarealHilbertspace;thenumberofsetsusedateachiterationsteptcorrespondingtothenumberofavailableprocessors,maybesmallerthanthetotalnumberofsets.TherelaxationcoefficientateachiterationstepisdeterminedbyageometricalconditioninanassociatedHilbertspace,whilefortheweightsmildconditionsaregiventoassurenormconvergenceoftheresultingsequence.Thesemildconditionsleaveenoughflexibilitytodeterminetheweightsmorespecificallyinordertoimprovethespeedofconvergence.

简介：与钾每硫酸盐(KPS)作为开始者，ethylacrylate(EA)的接枝共聚化合物在水介质被调查到水溶性的hydroxypropyl纤维素甲醚(HPMC)上。grafting(G)和grafting效率(G_E)的百分比上的单体集中，开始者集中，矩阵集中，和反应温度的效果被学习。结果显示出价值两个都增加与的那G和G_EEA集中andKPS集中的增加；当从0提起HPMC集中时。12mmol/L到0.47mmol/L，G减少，当G_E增加时；并且当从50℃提起反应温度到65℃时，G增加，但是G_Edecreases。另外，接枝共聚物被Fourier变换描绘红外线(英尺红外)系列和传播电子显微镜学(TEM)方法。

简介：

简介：Immobilizingbiocomponentsonsolidsurfacesisacriticalstepinthedevelopmentofnewdevicesforfuturebiological,medical,andelectronicapplications.Therefore,numerousintegratedfilmswererecentlydevelopedbyimmobilizingdifferentproteinsorenzymesonelectrodesurfaces.Inthiswork,hemeproteinsweresafelyimmobilizedontomacroporousnickel-basedelectrodeswhilemaintainingtheirfunctionality.Suchmodifiedelectrodesshowedinterestingpseudo-capacitivebehavior.Amonghemeproteins,hemoglobin(Hb)filmhasahigherelectrochemicalperformanceandgreatercharge/dischargecyclingstabilitythanmyoglobin(Mb)andcytochromeC(CytC).Thehemegroupinanalkalinemediumcouldinducetheformationofsuperoxidesontheelectrodesurface.Thesecapacitivefeaturesofhemeprotein-NielectrodewererelatedtostrongbindingsitesbetweenhemeproteinsandporousNielectrode,theaccumulationofsuperoxideorradicalsontheNisurface,andfacileelectrontransferandelectrolytediffusionthroughthethree-dimensionalmacroporousnetwork.Thus,thesenewprotein-basedsupercapacitorshavepotentialuseinfree-standingplatformtechnologyforthedevelopmentofimplantableenergy-storagedevices.

简介：HeparinwascovalentlyimmobilizedontopolyurethanesurfaceviaaPEGspacerbyamicrowave-assistedapproachtoimprovebloodcompatibility.Firstly,amino-terminatedpoly(ethyleneglycol)(APEG)wasrapidlygraftedontoPUsurfacewithin20minbyatwo-stepmethodinvolvingmicrowave-assistedMDI-functionalizationandsubsequentmicrowave-assistedAPEGcoupling.Then,heparinwascovalentlyimmobilizedthroughanamidelinkagebythedirectcouplingofthecarboxylicacidofheparinwiththeaminogroupofAPEGonPUsurfaceusingcarbodiimidecouplingreaction.ThesurfacestructureandpropertieswerecharacterizedbyX-rayphotoelectronspectroscopy(XPS),atomicforcemicroscopy(AFM)andwatercontactanglemeasurements.Theresultsrevealedthatheparin-immobilizedPUsurfacehadslightlyincreasedroughnessandsignificantlyimprovedhydrophilicityincomparisontotheoriginalPUsurface.Theanticoagulantactivityoffilmswasevaluatedbywholebloodclottingtime(CT)andprothrombintime(PT).Complementactivationwasassessedbydetectingcomplementfragment3aconcentrationsofserumexposedtothefilms.Theresultsrevealedthatthemicrowave-assistedheparin-immobilizedPUfilmshadexcellentantithrombogenicityandsuppressedcomplementactivation,indicatingimprovedbloodcompatibility.

简介：