BS EN 12836-2002 表面活性剂.烷氧基化产品的水数测定
时间:2024-05-13 01:09:06 来源: 标准资料网 作者：标准资料网 阅读：9638
【英文标准名称】:Surfaceactiveagents-Determinationofthewaternumberofalkoxylatedproducts
【原文标准名称】:表面活性剂.烷氧基化产品的水数测定
【标准号】:BSEN12836-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-04-11
【实施或试行日期】:2002-04-11
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:化学性质;表面活性剂;水;水数;材料试验;定义;乙氧基化物;烷氧基化物;试验
【英文主题词】:Alkoxylates;Chemicalproperties;Definition;Definitions;Ethoxylates;Materialstesting;Surfactants;Testing;Water;Waternumbers
【摘要】:ThisEuropeanStandardspecifiesthedeterminationofthewaternumberofethoxylatedproductsuptoabout70%ethyleneoxide.EO/POblockpolymerswithwaternumbershigherthanabout23becomehardtointerpret.NOTEThevaluesobtainedbythismethodarenotcompletelyidenticalwiththewaternumberobtainedindioxane,inparticularwaternumbershigherthan23.
【中国标准分类号】:G72
【国际标准分类号】:71_100_40
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Steelcastings-Ultrasonicexamination-Part2:Steelcastingsforhighlystressedcomponents
【原文标准名称】:钢铸件.超声波检验.第2部分:高应力元件用钢铸件
【标准号】:ISO4992-2-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-02
【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/TC17
【标准类型】:()
【标准水平】:()
【中文主题词】:铸钢;铸件;铸铁;缺陷;失误误差;定义;测定;评定;膨胀;精整;铸造(学);铸造生产;重型;检验;材料;球墨铸铁;无损检验;脉冲回波;规范(验收);规范;钢;表面不连续性;表面;试验条件;试验;涡轮机部件;超声检验;壁厚
【英文主题词】:Caststeels;Castings;Cast-iron;Defects;Defectstolerances;Definition;Definitions;Determination;Evaluations;Expansion;Finishes;Foundries;Foundrypractice;Heavy-duty;Inspection;Materials;Nodular-graphitecast-iron;Non-destructivetesting;Pulsereplies;Specification(approval);Specifications;Steels;Surfacediscontinuities;Surfaces;Testing;Testingconditions;Tests;Turbinecomponents;Ultrasonictesting;Wallthicknesses
【摘要】:ThispartofISO4992specifiestherequirementsfortheultrasonicexaminationofsteelcastings(withferriticstructure)forhighlystressedcomponents,andthemethodsfordetermininginternaldiscontinuitiesbythepulseechotechnique.ThispartofISO4992appliestotheultrasonicexaminationofsteelcastingswhichhaveusuallyreceivedagrain-refiningheattreatmentandwhichhavewallthicknessesuptoandincluding600mm.Forgreaterwallthicknesses,specialagreementsapplywithrespecttothetestprocedureandrecordinglevels.ThispartofISO4992doesnotapplytoausteniticsteelsandjointwelds.
【中国标准分类号】:J31
【国际标准分类号】:77_040_20;77_140_80
【页数】:31P.;A4
【正文语种】:英语
MIL-STD-188/161C, MILITARY STANDARD: INTEROPERABILITY AND PERFORMANCE STANDARDS FOR DIGITAL FACSIMILE EQUIPMENT (30 OCT 1991) [S/S BY STANAG 5000]., The purpose of this document is to establish, in the most economical manner, interoperability and performance parameters necessary to ensure interoperability among long laul and tactical digital facsimile equipment. the technical parameters established by this document represent a set of minimum interoperability and performance characteristics, which may be exceeded to satisfy specific requirements.