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简介：这个工作介绍调查结果的评论进包装算法的一个数字地基于的粒子的能力，叫的DigiPac，在许多包装的列预言床结构，为通用小团的一个范围，形状经常在设计工业的化学药品和过程使用了。产生宏观的性质与从侵略、非破坏性的测量技术导出的试验性的数据相比。另外，通过产生的床结构的样品，液体速度分布用格子Boltzmann被分析方法(LBM)模拟并且从文学对试验性的数据被比较。

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简介：Phosphatidylinositolpolyphosphates(PIPx)arerelatedwithtyrosinekinaseactivation,cellproliferationandcarcinogenesis.InordertoinvestigatetheactionmechanismofPIPx,itisdesirabletosynthesizeaffinitycolumnofPI-3,4-P2,whichisexpectedtobeabletoisolatethebindingproteinsofPI-3,4-P2.ThyraminereactedwithCH-Sepharose4Bgivingcolumn13.Thep-aminogroupof3’-(1’,2’-distearoyl-glyceryl)-1-(2-p-aminobenzyl)-3,4-di-O-phosphoryl-myo-inositylphosphate(12)wasdiazotized,thendiazo-coupledwithcolumn13togivePI-3,4-P2affinitycolumn14.ThisPI-3,4-P2affinitycolumnisaneffectivetooltopickupbindingproteinsofPI-3,4-P2.

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简介：Onthebasisofapparentelasticitymethod,wederivedtheequiva-lentcircuitofcouplingvibrationofashortcolumnanddiscusseditsfrequencyequationandtheeffectsoftheloadimpedanceontheresonantfrequencyoftheshortcolumn.Bytheequivalentcircuit,wecalculatedtheinputmechanicalimpedanceofthelongitudinally-excitedshortcolumnandthecurvesoftheap-parentvibrationvelocityratioversusthegeometricaldimensionsofthecolumn.Itshowsthattheequivalentcircuitmethodisasimpleandconvenientonetoanalyzeandcalculatethecouplingvibrationoftheshortcolumn.

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简介：Thedynamicbucklingofanelastic-plasticcolumnsubjectedtoaxialimpactbyarigidbodyhasbeendiscussedinthispaper.Thewholetravelingprocessofelastic-plasticwavesunderimpactactionisanalyzedwiththecharacteristicsmethod.Theregularityofstresschangesinbothcolumnendsandthefirstseparatingtimeofarigidbodyandcolumnareobtained.Byusingtheenergyprincipleandtakingintoaccountthepropagationandreflectionofstresswavesthelateraldisturbanceequationisderivedandthepowerseriessolutionisgiven.Inaddition,thecriticalbucklingconditioncanbeobtainedfromthestabilityanalysisofthesolution.Bynumericalcomputationandanalysis,therelationshipamongcriticalvelocityandimpactmass,hardeningmodulus,andbucklingtimeisgiven.

简介：喷雾器光厚度(AOT)，水蒸汽内容和一个CIMEL阳光光度计在北京获得的导出的埃代表被分析。从保证质量的每日的工具，季节的趋势和内部年度的变化计算的每月的工具被介绍并且讨论。夏天在440nm有最高季节的平均AOT(τa440)，埃代表(440870)并且有价值的水蒸汽内容0.93，1.34和3.0厘米分别地。第二最高季节的平均τa440与最大的变化出现在春天440870和最小4408700.99由于粗糙的粒子的影响。最小的季节的平均τa440(0.44)并且水蒸汽内容(0.4厘米)出现在冬季。年度平均τa440，440870并且水蒸汽内容为关于4年的观察，时期分别地是0.70，1.19和1.4厘米。所有每月平均的埃代表在0.8-1.4以内，它显示在北京的喷雾器是好模式、粗糙模式的粒子的很复杂的混合物(从人为的影响和自然矿物质灰尘)。

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简介：Fastanalysisofthiocyanatebyion-pairchromatographyusingasilica-basedmonolithiccolumnanddirectconductivitydetectionwascarriedout.ChromatographicseparationwasperformedonaChromolithSpeedRODRP-18eusingtetrabutylammoniumhydroxide(TBA)–phthalicacid–acetonitrileaseluent.Theeffectsofeluentconcentration,eluentpHvalue,columntemperatureandflowrateonretentiontimeofthiocyanatewereinvestigated.Theoptimizedchromatographicconditionsforthedeterminationofthiocyanatewereasfollows:0.25mmol/LTBA–0.18mmol/Lphthalate–7%acetonitrile(pH5.5)aseluent,columntemperatureof308C,andflowrateof6.0mL/min.Retentiontimeofthiocyanatewaslessthan1minundertheconditions.Commonanions(Clà,NO3à,SO42àandIà)didnotinterferewiththedeterminationofthiocyanate.Detectionlimit(S/N=3)ofthiocyanatewas0.96mg/L.Calibrationgraphbetweenpeakareaandtheconcentrationofthiocyanatewaslinearintherangeof2.0–100.0mg/L.Relativestandarddeviation(RSD)ofchromatographicpeakareawas1.4%(n=5).Thismethodhasbeenappliedtothedeterminationofthiocyanateinionicliquids.Recoveriesofthiocyanateafterspikingwere100.5%.

简介：Equilibriumpathsofpost-bucklingaremeasuredforlargeslendernesscolumnspecimensmadeofthefiberreinforcedcompositematerial.Theinfluenceoftheinitialcurvatureisinvestigatedexperimentallyandcomparedwiththeresultoftheinitialpost-bucklingtheory.Boththetheoreticalandexperimentalresultsrevealthatthecolumnwiththeinitialcurvaturehasstablepost-bucklingbe-haviorsandisnotsensitivetotheimperfectionintheformofinitialcurvature.Theexperimentalre-sultsshowthatwhenthelateralbucklingdisplacementislessthan20percentofthecolumnlength,theexperimentalresultsagreewiththeresultsfromthetheoryofinitialpost-bucklingquitewell,whiletheyagreewiththeresultsfromthelargedeflectiontheoryinaquitelargerange.

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简介：Amantadine(AMA)是在养蜂过去常保护蜜蜂免于sacbrood病毒(Moratoraetatulae)的抗病毒的药。这研究描述了可靠高效的液体色析法(HPLC)为用稳固阶段的抽取(SPE)在蜂蜜分析AMA的方法为纯化的子弹(PlexaPCX)，4-fluoro-7-nitro-2,1,3-benzoxadiazole(NBD-F)作为一个列前derivatization代理人，和fluorometric察觉(ex=470nm，em=530nm)。色析法的分离在XDBC18列上被执行(150

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