JB 3727-1984 粗粉分离器细粉分离器及锁气器尺寸系列制造技术条件
作者:标准资料网 时间:2024-05-10 07:14:00 浏览:9592
来源:标准资料网
基本信息
标准名称: | 粗粉分离器细粉分离器及锁气器尺寸系列制造技术条件 |
中标分类: |
机械 >>
活塞式内燃机与其他动力设备 >>
锅炉及其辅助设备 |
替代情况: | 被JB/T 3727-1999代替 |
发布日期: | |
实施日期: | 1989-12-01 |
首发日期: | |
作废日期: | 2000-01-01 |
出版日期: | |
页数: | 3页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 机械 活塞式内燃机与其他动力设备 锅炉及其辅助设备
【英文标准名称】:StandardTestMethodforWoolContentofRawWool-LaboratoryScale
【原文标准名称】:原毛中羊毛含量的实验室测定的标准试验方法
【标准号】:ASTMD584-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cleanwoolcontent;rawwool;yield;Cleanfibercontent;Extractablemattercontent--textilefabrics/fibers;Woolandwooltop;Woolandwooltop--raw;Woolcontent--rawwool
【摘要】:Thistestmethodisconsideredsatisfactoryforacceptancetestingofcommercialshipmentssincethistestmethodhasbeenusedextensivelyinthetradeforacceptancetesting.IncaseofdisputearisingfromdifferencesinreportedtestresultswhenusingTestMethodD584foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativetestingtodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogenousaspossibleandthatarefromalotofthetypematerialinquestion.Thetestspecimensshouldthenbeassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightofknownbias.Thewool-basecontentofwoolinanyconditionorformisabasicquantity.Fromitmaybecalculatedcommercialmassesoryieldsinanyofthevariousrecognizeddefinedsystemsusedininternationalcommerce(Note1).TheproceduresfordeterminingthewoolbasecontentofgreasywoolprovidedinthistestmethodandinIWTOMethod19-85(E)areinessentialagreement.Note38212;Thisisnottrueforscouredwool,asIWTOMethod19-85(E)doesnotrequirerescouringofscouredwoolcontaininglessthan5%residualgrease.Notallofthewoolbasepresentinalotofrawwoolcanberecoveredinusefulformbycommercialcleaningoperations.Theamountofwoollossvaries,dependingonfactorssuchasthecharacterofthewool,thenatureandpercentageoftheimpuritiespresent,thecleaningprocessandequipmentused,andsoforth.NoASTMstandardspecifiesorrecommendsanyspecificprocedureorpracticeforestimatinganticipatedlossofwoolduringcommercialcleaning(orother)operations.Thefollowingstatutorypracticeisdescribedsolelyforinformation:ForthepurposeofdutyassessmentonimportationsofrawwoolintotheUnitedStates,theTariffSchedulesoftheUnitedStatesprovidesastatutoryformulaforcalculatingtheallowancetobemadeforwoolx201C;thatwouldordinarilybelostduringcommercialcleaningoperations.x201D;Theformulaisbasedonthecleanwoolfiberpresent(calledx201C;absolutecleancontentx201D;intheTariffSchedules)andonthevegetablematterpresent.Theallowance,intermsofcleanwoolfiberpresent,isequalto0.5%ofthecleanwoolfiberpresentplus60%ofthevegetablematterpresent,thetotalallowancenottoexceed15%ofthecleanwoolfiberpresent.Thedutiablequantity(calledx201C;cleanyieldx201D;intheTariffSchedules)isthedifferencebetweenthecleanwoolfiberpresentandtheallowancesocalculated.1.1Thistestmethodcoversalaboratoryprocedureforthedeterminationofthewoolbasecontentandthecleanwoolfiberpresentinsamplesofrawwool.Thistestmethodisalsoapplicabletootheranimalfiberssuchasmohair,cashmere,alpaca,andcamelhair.【英文标准名称】:PowerPiping
【原文标准名称】:电力管道系统
【标准号】:ASMEB31.1-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国机械工程师协会(ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;焊接工艺;规范(验收);设计;管;检验;试验;定义;送水管(消防);生产;元部件;焊接接头;管道配件;电力导线;管道;材料规范;管连接件;电线;调查
【英文主题词】:
【摘要】:
【中国标准分类号】:P94
【国际标准分类号】:23_040_01
【页数】:0P;A4
【正文语种】:英语