BS 2043-1968 用投影显微镜测定毛纤维细度的方法

作者:标准资料网 时间:2024-05-08 09:32:41   浏览:8229   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Methodforthedeterminationofwoolfibrefinenessbytheuseofaprojectionmicroscope
【原文标准名称】:用投影显微镜测定毛纤维细度的方法
【标准号】:BS2043-1968
【标准状态】:现行
【国别】:英国
【发布日期】:1968-01-31
【实施或试行日期】:1968-01-31
【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】:纤维细度测定;精纺毛纱;粗纺毛纱;显微分析;纱;纺织纤维;纤维试验(纺织);纱线试验;纺织材料;试样制备;羊毛;纺织试验;试验条件;羊毛纤维;试验设备
【英文主题词】:Fibretesting(textiles);Fibre-finenessdetermination;Microscopicanalysis;Specimenpreparation;Testequipment;Testingconditions;Textilefibres;Textiletesting;Textiles;Wool;Woolfibres;Woollenspunyarn;Worstedyarn;Yarn;Yarntesting
【摘要】:Applicabletowoollenandworstedproductsatallstagesfromrawmaterialstoyarns.
【中国标准分类号】:W04;W20
【国际标准分类号】:59_060_10
【页数】:12P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforVaporAttackonRefractoriesforFurnaceSuperstructures
【原文标准名称】:炉上层结构用耐火材料的蒸气冲击标准实施规范
【标准号】:ASTMC987-2010
【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】:C08.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:腐蚀;玻璃;耐火材料;上部结构;蒸汽腐蚀;蜕变速率
【英文主题词】:corrosion;glass;refractories;superstructures;vaporattack;Disintegrationrate
【摘要】:Thistestmethodprovidesaguideforevaluatingtheresistanceofrefractoriesinglassmeltingfurnacesuperstructurestovaporattack.Thistestmethodmayalsobeusefulforevaluatingrefractoriesinotherapplicationswherevaporattackoccurs.Anelectric-heatedfurnaceisrecommended.Watervaporandotheratmosphericcomponentsinagas-orfuel-firedfurnacemayparticipateinthechemicalandphysicalreactionsbeingstudied.Resultsmaydiffer,therefore,dependinguponthenatureandtypeoffiringemployed.Thedegreeofcorrelationbetweenthistestmethodandserviceperformanceisnotfullydeterminable.Thisisintendedtobeanacceleratedtestmethodthatgeneratesasubstantialdegreeofreactioninarelativelyshortamountoftime.Thisaccelerationmaybeaccomplishedbychangingthecompositionand/orconcentrationofthereactants,increasingtemperatures,orbyperformingthetestinanisothermalenvironment.Sincethetestmethodmaynotaccuratelysimulatetheserviceenvironment,observedresultsofthistestmethodmaynotberepresentativeofthosefoundinservice.Itisimperativethattheuserunderstandandconsiderhowtheresultsofthistestmethodmaydifferfromthoseencounteredinservice.Thisisparticularlylikelyifthereactionproducts,theirnature,ortheirdegreedifferfromthosenormallyfoundintheactualserviceenvironment.Itisincumbentupontheusertounderstandthatthisisanaggressive,acceleratedtestmethodandtobecarefulininterpretingtheresults.If,forexample,thereactionspecieshaveneverbeenfoundinarealworldfurnace,thenthistestmethodshouldnotnecessarilybeconsideredvalidtoevaluatetherefractoryinquestion.1.1Thistestmethodcoversaprocedureforcomparingthebehaviorofrefractoriesincontactwithvaporsunderconditionsintendedtosimulatetheenvironmentwithinaglassmeltingorothertypeoffurnacewhenrefractoriesareexposedtovaporsfromrawbatch,moltenglass,fuel,fuelcontaminants,orothersources.Thisprocedureisintendedtoaccelerateserviceconditionsforthepurposeofdetermininginarelativelyshorttimetheintervalresistancetofluxing,bloating,shrinkage,expansion,mineralconversion,disintegration,orotherphysicalchangesthatmayoccur.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:81_080
【页数】:3P.;A4
【正文语种】:


基本信息
标准名称:半导体器件生产用扩散炉通用技术条件
英文名称:General specification for diffusion furnace for semiconductor device manufacturing
中标分类: 医药、卫生、劳动保护 >> 医药、卫生、劳动保护综合 >> 技术管理
发布日期:1981-10-01
实施日期:1981-10-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:4页
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 医药 卫生 劳动保护 医药 卫生 劳动保护综合 技术管理