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简介：Newphosphorus-andselenium-containingheterocyclyes,1,3,2,6-dioxaphosphaselena-cyclooctanes(la-1h),weresynthesizedbythereactionofbis(2-hydroxyethyl)selenidewithRP(X)Cl2whereR=alkoxyl,aroxyl,arylandX=Oorlonepair.Theirstructuresweredeterminedbyspectro-scopiesandelementalanalysesandfinallyconfirmedbytheX-raycrystallographicanalysisof1c.Themolecularstructuresoftheheterocycleswerediscussedintermofconformationalanalysis.

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简介：X-γradiationbelongtotheionizingradiation.Ionizingradiationsinkstoenergyinorganismbutproduceadisservicetotheorganism.Justasmedicine,thedisserviceoftheradiationtowardsOrganismisdecidedbytoacceptradiationquantify,theradiationquantifywasnameddose.Radiationprotection'sbasicmissionsistowanttoresultthedosetofixquantify.InthissurveythedoseatworkplaceanditssurroundingsenvironmentsofHL-2Adevicewasmeasuredandtheassessmentwasgivenout.

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简介：以一个新方法在四维的欧几里德几何学的苏(2)杨工厂理论由分解苏(2)计量潜力，我们发现与一件马甲的isospin缺点有关的数字上的片刻命令参数能被Hopf索引和Brouwer度拓扑地使量子化。数字上的片刻只是在杨工厂理论的重要部门的isospin缺点的拓扑的费用的和，这也被显示出。

简介：Tomeettherequirementoflong-timeacquisitionwithoutinterruptionsfortheplannednucleardecayexperimentsatCSRe,anewdataacquisitionsystemhasbeensuccessfullydevelopedin2016.DuringthebeamtimeinDec.2016,ournewsystemhasbeenrunningstablywithoutanyproblemsandcontinuouslyacquiringhundredsofdatawithoutanybreaks.Thewholesystemisbasedonaspectrumanalyzer(R&SFSVR7)andanIQrecorder(R&SIQR100).BothofthemareconnectedtoaserverviaEthernet.Thespectrumanalyzeracquiresthetime-domaininformationinthefrequencyrangeofinterestfromtheSchottkyresonator.TheIQrecordercollectstheinformationfromtheanalyzerandpacksitintodata.Oncethedatahavebeenentirelytransferredtotheserver,itwillimmediatelyberemovedfromIQrecorder.Thehigh-volumesolid-statedrive(1TB)ofIQrecorderallowsforavirtuallyunlimitedsizeofacquiredlestobestoredinpractice.Besides,inordertobypasstheunreliabletriggersystemofIQrecorder,webuiltanindependenttriggersystemwithamicrocontroller(ArduinoYun)totranslatetheTTLsignaltonetworkcommands.

简介：摘要刻画了|C(S)／L|≤2的完全正则半群S的同余格的具体特征，给出了具有上述性质的所有完全正则半群的分类．

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简介：Usingpolyvinylalcohol(PVA)asrawmaterialandvacuumpumpoilasoilphasemedium,PVA-basedmicrocarrierswerepreparedbysuspensionmethodThediametersofthebeadswere100-180μm.LO2cellswereculturedonPVA-basedmicrocarriersandcytodexⅢmicrocarriers.Morphology,attachmentandgrowthrateofLO2cellswerestudied.

简介：FBIisacodeoriginallydevelopedonJT-60UtoquicklycalculatecomprehensiveplasmaparametersforadischargeunderUnixOS.IthasbeentransferredtoHL-2Aatthebeginningof2003.Itsmainfunctionistoidentifyplasmaboundarybyfilamentcurrentmethodwithsignalsfromtheelectromagneticmeasurement.Thefundamentaldifferencesofmachinescaleandstructure,

简介：氢存储的关键是与轻集体、大表面和富有的吸附地点设计新材料。在综合基于最近的试验性的成功tripyrrylmethane，我们探索了Ti-tripyrrylmethane基于的2D为氢存储使用的多孔的结构密度功能的理论。我们发现了结构是稳定的，并且暴露的Ti地点能与平均绑定绑三个氢分子0.175eV/H的精力在房间温度并且在周围的压力为氢的存储和版本躺在精力窗户的2,。

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简介：Ｎｉ／Ｍｏ２ＮａｓａＨｉｇｈｌｙＡｃｔｉｖｅＨｙｄｒｏｄｅｎｉｔｒｏｇｅｎａｔｉｏｎＣａｔａｌｙｓｔＮｉ／Ｍｏ２ＮａｓａＨｉｇｈｌｙＡｃｔｉｖｅＨｙｄｒｏｄｅｎｉｔｒｏｇｅｎａｔｉｏｎＣａｔａｌｙｓｔ￥ＷｅｎＹｕＺＨＡＮＧ；ＸｉｎＰｉｎｇＷＡＮＧ；...

简介：ＤｅｖｅｌｏｐｍｅｎｔｏｆＢｅａｍＳｔｅｅｒｏｆＩｎｊｅｃｔｉｎｇＳｙｓｔｅｍａｔ２ＭＶＴａｎｄｅｍ￥ＬｉＺｈｅｎｇｆａｎｇ；ＺｕＫａｉｌｉｎｇ；ＷａｎｇＸｉａｎｙｉａｎｄＱｉａｎＺｈｉｈｕａＴｈｅｒｅｗａｓｎｏｔａｎｙｂｅａｍｓｔｅｅｒｉｎｇｍａｇ...

简介：ItisnotedthattheITER-FEATisanexperimentalreactorsystemwithaspectratioA=3whilethesphericalapproachhasaspectrationear1.4thatallowsformuchhigherstablebetavaluebuttheengineeringaspectsareratherformidable.Recently,

简介：AnewconceptaboutthenextsteptokamakdeviceisrecentlyproposedbyacademicianLIZhengwu.HeindicatedthandevicewiththeaspectratioAnear2isablankinboththepresent-daytokamakdevicesandtheproposedorinconstructiontokamaks,includingtheITER-FEAT.

简介：TiO_2-coatedpolystyrenenanoparticleswerepreparedinasimpleway.First,functionalPSparticlesweresynthesizedbycopolymerizingonekindofpolymerizablesurfactantwithstyrene.Thenthestabledispersionsofpolystyrenenanoparticleswereusedastemplates,andpolystyrenenanoparticleswerecoatedwithtitaniabyinsituhydrolysisoftetra-n-butyltitanate(TBT).Nosurfacetreatmentandcentrifugation/redispersioncycleprocesswereneededduringthewholeexperiment.IsolatedPSsphereswithuni...