简介：ThepreparationoftwotypesofmolecularsievesAlPO4-11andMAPO-11isreported.Theparticlesizeofthelatterishundredsofmicrons,about10timeslargerthanthatoftheformer.TheXRD,IRandDTAspectrahavedemonstratedthatmagnesiumhasbeenintroducedintotheframeworkofAlPO4-11.ThesuccessfulpreparationoflargesinglecrystalofMAPO-11willopenupanewareaforthepreparationoflargemolecularsievescrystalsinthefuture.ThelargeMAPO-11crystalcompoundisapromisinghostforthehost-guestassemblyofcompositematerials.

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简介：当PH值里现7，代表着这个物体开始平衡。当一个人PH值=7的时候，他将开始不再执着于男人的痛苦，也不会像女人一样钻牛角尖。哲平是一个平凡如你我的人，不同的是以快乐为宗旨，他找寻到自己的PH7值。或许中性的生存，就是一种快乐的方程式。

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简介：纹身的神秘在于它的不公开与文化。它一旦刺入皮肤，便一生不能消失无法去除，即便现在科技发达也不能将它从你的身体上彻底洗去。选一个好的纹身店与纹身师，显得至关重要！

简介：做一做：4个人一组做掷硬币(或掷骰子)等游戏，让一名同学任意抛出一个硬币，落地后一定是正面吗?多做几次试试看，落地后每次一定是正面吗?做实验试一试，并与其他同学交流一下实验的结果，相信你会有所发现．

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简介：134Csabranchingpointins-processpathwhichisshowninFig.1.Thebranchingratioisdefinedasfβ=λβ/(λβ+λn).Itcouldbededucedfromtheabundanceof134Baand136Basince136Bagoesthroughbothdecayandneutroncaptureof134Cswhile134Baonlyexperiencesdecaychannel[1].Duetoboth134Baand134Baarepures-processnuclei,thisbranchingpointisagoodapproachtodeterminethes-processparameters.Withtemperaturedependentβ-decayrateof134Cs,thetemperatureofs-processcouldbededuced.

简介：InstitutionofModernPhysics(IMP)hasdesigned,fabricatedandinstalledthefirstSRFcavityelectropolishingsystemofChina.It’ssizedfor1.3GHzSRFcavities,andalsocanworksformultiplecellcavitieswithfurtherupgradeofstructure.

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简介：Anewfuellingmethod,thesupersonicmolecularbeaminjection(SMBI)systemhasbeenappliedtoW7-ASinMay2001,supportedbytheNationalNatureScienceFoundationofChinaandtheMax-PlanckInstituteofPlasmaPhysics,Garching,Germany.TheexperimentswithhydrogenordeuteriumonW7-ASwereimplementedfortwoyears.

简介：HierarchicalZSM-11microsphereswithintercrystallinemesoporouspropertiesandrod-likecrystalsintergrowthmorphologyhavebeensynthesizedusingaspotoftetrabutylammoniumasasingletemplate.XRD,FTIR,SEM,TEMandN2adsorptionanalysisrevealedthateachindividualparticlewascomposedofnanosizedrodcrystalsinsertingeachotherandtheintercrystallinevoidsexistingamongrodsgaveasignificantmesoporesizedistribution.Steamtreatmentresultdemonstratedtheexcellenthydrothermalstabilityofsamples.Variouscrystallizationmodesincludingconstanttemperaturecrystallization(one-stagecrystallization)andtwo-stagetemperature-varyingcrystallizationwithdifferent1ststagedurationswereinvestigated.TheresultssuggestedthatthecrystallizationmodesweremainlyresponsiblefortheadjustableparticlesizeandtexturalpropertiesofsampleswhilethesmallamountoftetrabutylammoniumbromidewasmainlyusedtodirecttheformationofbothZSM-11frameworkanditsintergrowthmorphology.Furthermore,theperformanceofoptimalZSM-11asanactivecomponentforthecatalyticpyrolysisofheavyoilwasalsoinvestigated.Comparedwiththecommercialpyrolysiscatalyst,thehierarchicalZSM-11catalystexhibitedahighselectivitytodesiredproducts(LPG+gasoline+diesel),aswellasamuchlowerdrygasandcokeyield,plusahighselectivityandyieldoflightolefins(C=3C=4)andverypoorselectivitytobenzene.Therefore,fullyopenmicropore-mesoporeconnectivitywouldmakesuchhierarchicallyporousZSM-11zeolitesveryattractiveforapplicationsincleanpetrochemicalcatalysisfield.

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简介：6,9,11-Trihydroxy-6a,12a-dehydrorotenoid1(coccineoneB)wassynthesizedfrom2-hydroxybenzaldehyde2andphloroglucinol.

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