SJ 1017-75 手柄翻开式钻模 钻套

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基本信息
标准名称:手柄翻开式钻模 钻套
英文名称:Jig opened with handle-Bit holder
中标分类: 农业、林业 >> 农业、林业综合 >> 技术管理
替代情况:替代NE 1114-57;
发布日期:1975-08-15
实施日期:1976-06-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:3页
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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: 农业 林业 农业 林业综合 技术管理
下载地址: 点击此处下载
【英文标准名称】:Textileglass;Wovenfabrics;Determinationofmassperunitarea
【原文标准名称】:纺织玻璃纤维.织物.单位面积质量(物质的量)的测定
【标准号】:ISO4605-1978
【标准状态】:作废
【国别】:国际
【发布日期】:1978-11
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:物理试验;测量;纺织玻璃纤维;布;质量(物质);玻璃纤维织物;比面积;试样制备
【英文主题词】:mass;cloth;physicaltesting;glasscloth;specimenpreparation;physicaltests;specificarea;textileglass;measurement
【摘要】:
【中国标准分类号】:W50
【国际标准分类号】:6660
【页数】:2P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminingGelContentinCrosslinkedEthylenePlasticsUsingPressurizedLiquidExtraction
【原文标准名称】:用加压溶剂萃取法测定交联乙烯塑料中凝胶含量的标准试验方法
【标准号】:ASTMD7567-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Manyimportantpropertiesofcrosslinkedethyleneplasticsvarywiththegelcontent.Hence,determinationofthegelcontentprovidesameansofbothcontrollingtheprocessandratingthequalityoffinishedproducts.Extractiontestspermitverificationofthedesiredgelcontentofanygivencrosslinkedethyleneplasticandtheyalsopermitcomparisonbetweendifferentcrosslinkedethyleneplastics,includingthosecontainingfillers,providedthat,forthelatter,thefollowingconditionsaremet:Thefillerisnotsolubleinxyleneortolueneattheextractiontemperatureandtheamountoffillerpresentinthecompoundisknownorcanbedetermined.Sufficientcrosslinkinghasbeenachievedtopreventmigrationoffillerduringtheextraction.Usuallyithasbeenfoundthat,atextractionlevelsupto50%,theextractionsolventremainsclearandfreeoffiller.Sincesomeoxidativedegradationofthematerialcanoccurattheextractiontemperaturesusedinthisprocedure,despitetheuseofaclosedcellwhichallowsforminimalintroductionofoxygen,asuitableantioxidantisaddedtothesolventtoinhibitsuchdegradation.Beforeproceedingwiththismethod,referenceshouldbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,orcombinationthereof,coveredinthematerialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.Iftherearenomaterialspecifications,thenthedefaultconditionsapply1.1Thegelcontentofcrosslinkedethyleneplasticsisdeterminedbysolventextractionwithxyleneortoluene.Thistestmethodisapplicabletoethyleneplasticsofalldensities,includingthosecontainingfillers;providedthefillersareinsolubleintheextractionsolvent(s).1.2Thistestmethodusespressurizedliquidextraction(PLE)toincreasethespeedandreducetheamountofsolventrequiredforsolventextraction.TheresultsofthismethodaresimilartoTestMethodD2765.1.3Extractiontestsshallbeperformedonsamplesofanyshape(see7.2).Specimensshallbeselectedfromthoseportionsofthearticlemostsusceptibletoinsufficientcrosslinkingorselectedfromportionsrepresentativeoftheentirearticle.Thistestmethodhasbeendevelopedforproductionandqualitycontrolofcrosslinkedpolyethylenepipebutmaybeapplicabletootherproductssuchasmultilayermaterialsandfibers.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thismethodmakesuseofminimalreagentsandallowsforsolventrecoveryandre-use.Duetotheuseofminimalreagents,healthandsafetyconcernsareminimizedincomparisontoothermethods.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection10.Note18212;ThereisnoknownISOequivalenttothistestmethod.ThistestmethodissimilartoTestMethodD2765.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:5P.;A4
【正文语种】:英语