JB/T 8858-1999 闸阀 静压寿命试验规程
时间:2024-05-21 08:16:59 来源: 标准资料网 作者:标准资料网 阅读:8627
基本信息
标准名称: | 闸阀 静压寿命试验规程 |
中标分类: |
机械 >>
通用零部件 >>
阀门 |
替代情况: | JB/Z 243-1985;JB/T 8858-2004 |
发布日期: | 1999-04-05 |
实施日期: | 1999-04-05 |
首发日期: | 1900-01-01 |
作废日期: | 2004-08-01 |
出版日期: | 1900-01-01 |
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 通用零部件 阀门
【英文标准名称】:Oilseedmeals—DeterminationofoilcontentPart2:Rapidextractionmethod(ISO734-2:2008)
【原文标准名称】:含油种子.油含量的测定.快速萃取法
【标准号】:BSENISO734-2-2008
【标准状态】:作废
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【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】:农产品;化学分析和试验;化学分析和测试;定义;定义(术语);含量测定;萃取;萃取种子;萃取分析法;食品;己烷萃取物;实验室间试验;实验室试验;分析法;分析方法;计算方法;含量;含油种子;油;油料种子残渣;油料种子;石油醚;精密度;快速方法;基准方法;残留物含量;抽样方法;植物;植物油
【英文主题词】:Agriculturalproducts;Chemicalanalysisandtesting;Definitions;Determinationofcontent;Extraction;Extractiongrists;Extractionmethodsofanalysis;Foodproducts;Hexaneextracts;Inter-laboratorytests;Laboratorytests;Methodsofanalysis;Methodsofcalculation;Oilcontent;Oilseeds;Oils;Oilseedresidues;Oilseeds;Petroleumethers;Precision;Rapidmethod;Referencemethods;Residualcontent;Samplingmethods;Vegetable;Vegetableoils
【摘要】:ThispartofISO734specifiesanextractionmethodwhichmaybeusedtoassesstheefficiencyofade-oilingprocessbycomparingtheoilcontentoftheoilseedwiththeresidualoilcontentofthecorrespondingextractionmeals,pelletsandexpellercakes.Itisnotapplicabletodisputedcases,forwhichISO734-1isapplicable.Itisapplicabletooilseedmealsobtainedfromoilseedsbyexpellingorbyextractionwithasolvent,aswellastothepelletsmadefromtheresidues.
【中国标准分类号】:
【国际标准分类号】:67_200_20
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforShapedWireCompactConcentric-Lay-StrandedAluminumConductors,Coated-SteelSupported(ACSS/TW)
【原文标准名称】:镀覆钢支持的成型钢丝压缩同心铺设铝绞线标准规范
【标准号】:ASTMB857-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:B01.07
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:金属线;铝;铝合金;半成品
【英文主题词】:aluminumconductors;concentric-laystrandedaluminumconductors;electricalconductors;electricalconductors;aluminum;steel-reinforcedconductors;steel-supportedaluminumconductors;strandedaluminumconductors
【摘要】:1.1Thisspecificationcoversshapedwirecompactconcentric-lay-strandedaluminumconductors,steelsupported(ACSS/TW)foruseasoverheadelectricalconductors(seeExplanatoryNote1).1.2Thevaluesstatedininch-poundorSIunitsaretoberegardedseparatelyasstandard.Eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththespecification.ForconductorsizesdesignatedbyAWGorkcmilsizes,therequirementsinSIunitsarenumericallyconvertedfromthecorrespondingrequirementsininch-poundunits.ForconductorsizesdesignationbyAWGorkcmil,therequirementsinSIunitshavebeennumericallyconvertedfromcorrespondingvaluesstatedorderivedininch-poundunits.ForconductorsizesdesignatedbySIunitsonly,therequirementsarestatedorderivedinSIunits.1.2.1Fordensity,resistivity,andtemperature,thevaluesstatedinSIunitsaretoberegardedasstandard.1.3ACSS/TWisdesignedtoincreasethealuminumareaforagivendiameterofconductorbytheuseoftrapezoidalshapedwires(TW).Theconductorsconsistofacentralcoreofroundsteelwire(s)surroundedbytwoormorelayersoftrapezoidalaluminum1350-0wires.Differentstrandingsofthesamesizeofconductorareidentifiedbytype,whichistheapproximateratioofsteelareatoaluminumareaexpressedinpercent(seeTable1,Table2,andTable3).Forthepurposeofthisspecification,thesizeslistedinTable1andTable2aretabulatedonthebasisofthefinishedconductorhavinganareaoroutsidediameterequaltothatofspecifiedsizesofstandardACSR,ACSS,andACSR/TWsoastofacilitateconductorselection.
【中国标准分类号】:K11
【国际标准分类号】:29_060_10
【页数】:7P.;A4
【正文语种】: