SAE AS22759/4 Wire, Electric, Fluoropolymer-Insulated, TFE-Glass-FEP, Medium Weight, Silver-Coated Copper Conductor, 600

上一篇: SAE AS22759/2 Wire, Electrical, Fluoropolymer-Insulated, PTFE and PTFE-Coated Glass, Nickel-Coated Copper Conductor, 600
下一篇: SAE AS22759/9 Wire, Electrical, Fluoropolymer-Insulated, Extruded TFE, Silver-Coated Copper Conductor, 1000 Volt

【英文标准名称】:StandardPracticeforSamplingWoolforMoisture
【原文标准名称】:测定羊毛水分的取样的标准操作规程
【标准号】:ASTMD2525-1990(2001)
【标准状态】:现行
【国别】:
【发布日期】:1990
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D13.13
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:羊毛;抽样方法;潮气;工艺;纺织纤维;纺织材料
【英文主题词】:moisturecontent;sampling;statistics;wool;
【摘要】:ThisrecommendedpracticefurnishesdirectionsforthesamplingofwoolofthevariousformsindicatedinSection1,inorderthatcorrectprobabilitystatementsmaybemadeabouttherelationshipbetweenthesamplemeanandthepopulationmean.Ifthesestatementsaretobecorrect,certainconditions,whicharestated,musthold.Thisrecommendedpracticerequiresthatadeliberateactofrandomizationbeperformedsothatallpotentialsamplingunitshaveapproximatelythesamechanceofbeingtakenandnosamplingunitisdeprivedofitschanceofbeingtaken.Inanycasewhereinsufficientinformationaboutthevariabilityofthesamplingunitswithinthelotisavailable,directionsaregivenforcalculatingconfidencelimitsforthesamplemeansothatacorrectprobabilitystatementcanstillbemade.1.1Thispracticecoversthedesignofasamplingplantobeusedtoobtainsamplesforthedeterminationofthemoisturecontentofgreasewool,scouredwool,cardedwool,garnettedwool,wooltopandintermediateproducts,androvings.1.2Directionsaregivenforthedesignationofsamplingunits,calculationofthenumberofsamplingunitsrequiredtoachieveapreselectedprecisionandconfidencelevelor,alternatively,forcalculatingtheconfidencelimitsforthemeanbasedonthevariabilityofthesampletested.Note1--ThispracticefordevisingasamplingplanisintendedforuseinconnectionwithTestMethodD1576orTestMethodD2462.ThesamplingofrawwoolforthedeterminationofcleanwoolfiberpresentiscoveredinPracticeD1060.1.3Thisstandarddoesnotpurporttoaddressthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W21
【国际标准分类号】:59_060_10
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Methodsforchemicalanalysisofcondensedmilks-Generalintroduction,includingpreparationoftestsamples
【原文标准名称】:炼乳的化学分析方法.第1部分:一般介绍(包括试样制备)
【标准号】:BS1742-1-1990
【标准状态】:现行
【国别】:英国
【发布日期】:1990-08-31
【实施或试行日期】:1990-08-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:食品检验;炼乳;食品;试样制备;牛奶;化学分析和试验;数值修约;乳制品
【英文主题词】:Chemicalanalysisandtesting;Condensedmilk;Dairyproducts;Foodproducts;Foodtesting;Milk;Rounding(numbers);Specimenpreparation
【摘要】:ThisPartofBS1742givesageneralintroductiontothemethodsofchemicalanalysisofcondensedmilksandgivesgeneralinstructionsonsamplingandpreparationofsamples.ThisPartshouldbereadinconjunctionwitheachofthemethodsdescribedintheotherPartsofBS1742.NOTE.Thetitlesofthepublicationsreferredtointhisstandardarelistedontheinsidebackpage.
【中国标准分类号】:X16
【国际标准分类号】:67_100_10
【页数】:4P;A4
【正文语种】:英语