简介：
简介：ItwasgenerallyconsideredthatcontaminationofthegeltypepolystyrenestrongbasicanionexchangeresinbyorganicmatterinnaturalwateristheresultofionexchangeandVanderwaal′sadsorptiononit.Onthebasisoflaboratoryandindustrialexperiments,thispaperconfirmedthattheinterreactionbetweenorganicmatterandresinpolymermatrixisprimarilycontroledbyaVanderwaal′sadsorption.
简介：Four1,2,3-trisubstitutedimidazoliniumiodideswhichwereusedas5,10-+CPh-THFmodel（7-10）atformicacidoxidationlevelweresynthesized.Thebenzylidynegroup（phenyl-substitutedonecarbonunit）transferreactionsfromthesecompoundstoGrignardreagentwerein-vestigated,andthereactionsofthesecompoundswithKBH4andNaOHwerealsostudied.
简介：利用蒙特卡罗模拟程序MCNP研究了NaI（Tl）探测器对海水中137Cs、131I的比计数率响应情况；计算了NaI（Tl）探测器对不同半径海水球体源中137Cs与131I的比计数率响应曲线；分析了探测器防水套筒、NaI（Tl）晶体尺寸与结构、射线能量等因素对比计数率响应的影响；拟合了3R3型、5R5型NaI（Tl）探测器最大比计数率ymax及有效探测距离D。防水套筒模型与裸晶体简化模型的计算结果对比表明，裸晶体模型会给计算带来明显的偏差，应在模型设计时，考虑探测器结构，构建更精确的模型。
简介：FiveC3/C3fluoroquinolonedimerstetheredwithafusedheterocyclicringofs-triazolo[2,1-b][1,3,4]thiadiazolederivedfromantibacterialquinolonesweresynthesizedandcharacterized,andtheirinvitroantitumoractivityagainstL1210,CHOcelllineswasevaluatedviatherespectiveIC50values.
简介：Temperature-dependentphotoluminescencecharacteristicsoforganic-inorganichalideperovskiteCH3NH3PbI3-xClxfilmspreparedusingatwo-stepmethodonZnO/FTOsubstrateswereinvestigated.Surfacemorphologyandabsorptioncharacteristicsofthefilmswerealsostudied.Scanningelectronmicroscopyrevealedlargecrystalsandsubstratecoverage.Theorthorhombic-to-tetragonalphasetransitiontemperaturewas140K.Thefilms’excitonbindingenergywas77.6±10.9meVandtheenergyofopticalphononswas38.8±2.5meV.TheseresultssuggestthatperovskiteCH3NH3PbI3-xClxfilmshaveexcellentoptoelectroniccharacteristicswhichfurthersuggeststheirpotentialusageinperovskitebasedoptoelectronicdevices.
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