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简介：Thetriple-to-doublecoincidenceratio(TDCR)methodofliquidscintillationcount-ingisanabsolutemeasurementmethodofradioactivity.TheformulationoftheTDCRmethodandtheestablishedTDCRliquidscintillationcounterarepresentedinthispaper.TheNISTstandardreferencematerial(SRM)oftritiumwaterwasmeasuredtoverifytheperformanceoftheTDCRliquidscintillationcounter.

简介：Spread-sale,spreadingsalesnationwidethroughvariouschannels,asamarketingmethod,hasbeenintroducedtoChinasincetheearly1990s,andismovingtowardsstandardization.Tobringspread-saleundergovernmentsupervision,theMinistryofInternalTradedraftedtheManagementProvisionsonMultipleSpread-sale(forsolicitingopinions)in1994,aimingtostrengthenthelegalmanagementandinternalcontrolofthespread-salemarket.InAugust1994,the

简介：Duringtheearly1800's,thecurrentCenozoicEra(Phillips,1840)underwentcompetingschemesofsubdivisionbasedonfieldrelationshipsoronbiologicalevolution.

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简介：Preparationofthetemporalboneforlightmicroscopyisanimportantstepinhistologicalstudiesoftheinnerear.Duetothecomplexityofstructuresoftheinnerear,itisdifficulttomeasureorcomparestructuresofinterestwithoutacommonlyacceptedstandardizedmeasureoftemporalbonesections.Therefore,standardizationoftemporalbonesectionsisveryimportantforhistologicalassessmentofsensoryhaircellsandperipheralganglionneuronsinthecochlearandvestibularsystems.Thestandardizedtemporalbonesectioningisorientedtoaplaneparalleltotheouterandinternalauditorycanals.Sectionsarecollectedfromtheepitympanumtothehypotympanumtoreveallayersintheorderofthecristaampullarisofthesuperiorandlateralsemicircularcanals,maculautriculiandmaculasacculi,superiorvestibularganglionneurons,maculaofsacculeandinferiorvestibularganglionneurons,cochlearmodiolus,endolymphaticductandendolymphaticsac,andfinallythecristaampullarisoftheposteriorsemicircularcanal.Moreover,technicaldetailsofpreparingfortemporalbonesectioningincludingfixation,decalcification,wholetemporalbonestaining,embeddingpenetration,andembeddingorientationarealsodiscussed.

简介：<正>In2002,ZhejiangprovinceinsoutheastChina,oneofthemostprosperousprovincesinChinawithawell-developedprivatesector,setupafundtohelpfamilieswhoseonlychildwasdeadordisabled.Underthesystem,householdswhoseonlychildhaddiedreceiveamonthlystipendofRMB50-300perperson,orRMB500-

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简介：目的现在的学习被承担孤立并且标准化在Punicagranatum的水果树皮在场的各种各样的活跃phytochemical成分。Punicagranatum的方法水果树皮在一个静态的抽出者与甲醇被弄干并且提取；methanolic摘录(MEPG)的百分比收益被发现是26%methanolic摘录用n-butanol，乙醇醋酸盐和水被划分；部分的百分比收益被发现分别地是17.16%，26.88%和47.72%。HPLC被执行因为所有部分和相应于在HPLC的主要山峰的标记用列层析被孤立。孤立的标记被描绘用紫外，红外，质量和NMR光谱学。完全，四混合物作为punicalin，punicalagin，法国的酸和基于酸的ellagic被孤立并且识别的结果与结论紫外，红外，质量和NMR数据，他们被HPLC标准化。

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