SAE AMS3165 Solvent, Petroleum, Aromatic
作者:标准资料网 时间:2024-05-25 14:06:49 浏览:8521
来源:标准资料网
Product Code:SAE AMS3165
Title:Solvent, Petroleum, Aromatic
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope: This specification covers a petroleum-base liquid solvent.
基本信息
标准名称: | 家用缝纫机卷边压脚 |
英文名称: | Hemmer feet for household sewing machines |
中标分类: |
轻工、文化与生活用品 >>
钟表、自行车、缝纫机 >>
缝纫机 |
替代情况: | 原标准号GB 4536-1984 |
发布部门: | 国家轻工业局 |
发布日期: | 1999-04-21 |
实施日期: | 1999-04-21 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
提出单位: | 国家轻工业局行业管理司 |
归口单位: | 全国缝纫机标准化中心 |
起草单位: | 上海市缝纫机研究所 |
起草人: | 潘锡基 |
出版社: | 中国轻工业出版社 |
出版日期: | 1999-04-21 |
页数: | 4页 |
适用范围
本标准适用于JA, JB型缝纫机的卷边压脚。
前言
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目录
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引用标准
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所属分类: 轻工 文化与生活用品 钟表 自行车 缝纫机 缝纫机
【英文标准名称】:StandardTestMethodforAirContentofFreshlyMixedConcretebytheVolumetricMethod
【原文标准名称】:体积法测定新拌混凝土的含气量的标准试验方法
【标准号】:ASTMC173/C173M-2010b
【标准状态】:现行
【国别】:
【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】:C09.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:空气含量;校正;混凝土;校正因子;新拌混凝土;测量碗;米;体积法;体积测量
【英文主题词】:aircontent;calibration;concrete;correctionfactor;freshlymixedconcrete;measuringbowl;meter;volumetricmethod;Volumetricmeasurement
【摘要】:Thistestmethodcoversthedeterminationoftheaircontentoffreshlymixedconcrete.Itmeasurestheaircontainedinthemortarfractionoftheconcrete,butisnotaffectedbyairthatmaybepresentinsideporousaggregateparticles.Therefore,thisistheappropriatetesttodeterminetheaircontentofconcretescontaininglightweightaggregates,air-cooledslag,andhighlyporousorvesicularnaturalaggregates.Thistestmethodrequirestheadditionofsufficientisopropylalcohol,whenthemeterisinitiallybeingfilledwithwater,sothatafterthefirstorsubsequentrollingslittleornofoamcollectsintheneckofthetopsectionofthemeter.Ifmorefoamispresentthanthatequivalentto2%airabovethewaterlevel,thetestisdeclaredinvalidandmustberepeatedusingalargerquantityofalcohol.Additionofalcoholtodispelfoamanytimeaftertheinitialfillingofthemetertothezeromarkisnotpermitted.Theaircontentofhardenedconcretemaybeeitherhigherorlowerthanthatdeterminedbythistestmethod.Thisdependsuponthemethodsandamountsofconsolidationeffortappliedtotheconcretefromwhichthehardenedconcretespecimenistaken;uniformityandstabilityoftheairbubblesinthefreshandhardenedconcrete;accuracyofthemicroscopicexamination,ifused;timeofcomparison;environmentalexposure;stageinthedelivery,placementandconsolidationprocessesatwhichtheaircontentoftheunhardenedconcreteisdetermined,thatis,beforeoraftertheconcretegoesthroughapump;andotherfactors.1.1Thistestmethodcoversdeterminationoftheaircontentoffreshlymixedconcretecontaininganytypeofaggregate,whetheritbedense,cellular,orlightweight.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.TheSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(WarningFreshhydrauliccementitiousmixturesarecausticandmaycausechemicalburnstoskinandtissueuponprolongedexposure.)
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:8P.;A4
【正文语种】: