【英文标准名称】:Anionicandnon-ionicsurfaceactiveagents;Determinationofthecriticalmicellizationconcentration;Methodbymeasuringsurfacetensionwithaplate,stirruporring
【原文标准名称】:阴离子和非离子表面活性剂临界胶束浓度的测定用平板、镫形环或圆环测定表面张力的方法
【标准号】:ISO4311-1979
【标准状态】:现行
【国别】:国际
【发布日期】:1979-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC91
【标准类型】:()
【标准水平】:()
【中文主题词】:临界浓度;浓缩;表面活性剂;洗涤剂;阴离子活性物质;非离子活性物质;蒸馏水;含量测定;测量;物理试验;试验
【英文主题词】:Concentration;Detergents;Determinationofcontent;Distilledwater;Measurement;Physicaltesting;Surfactants;Testing;Tests
【摘要】:Themethodiscarriedoutinthefollowingway:Determinationofthesurfacetensionofaseriesofsolutionswhoseconcentrationsbracketthecriticalmicellizationconcentration.Plottingofthegraphofsurfacetensionasafunctionofthelogarithmoftheconcentration:thecriticalmicellizationconcentrationcorrespondstoasingularpointonthiscurve.Inthispointthecurveshowsasharpchangeofslope.
【中国标准分类号】:G72
【国际标准分类号】:71_100_40
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforHydrostaticInfiltrationTestingofVitrifiedClayPipeLines
【原文标准名称】:上釉陶土管道的水压渗入和渗出试验的标准试验方法
【标准号】:ASTMC1091-2003a
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:C04.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:管;试验;炻器
【英文主题词】:airtest;claypipe;hydrostatictest;infiltration;pipe;pressuretest;sewers;vitrifiedclaypipe;watertest;
【摘要】:Thetestscalledforherein,fortheirresults,indicatetheacceptabilityofinstalledvitrifiedclaypipelines.1.1Thistestmethoddefinesproceduresforhydrostaticinfiltrationtestingofnewinstallationsofvitrifiedclaypipelines,todemonstratethestructuralintegrityoftheinstalledline.RefertoPracticeC12.1.2Thistestmethodissuitablefortestinggravity-flowpipelinesconstructedofvitrifiedclaypipeorcombinationsofclaypipeandotherpipematerials.1.3Thistestmethodisapplicabletothetestingofthepipelinesonly.Manholesorotherstructuresshouldbetestedseparately.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q31
【国际标准分类号】:91_100_25
【页数】:2P.;A4
【正文语种】: