【英文标准名称】:Threadguides.Eyelets,rods,tubesandpigtailguides.Recommandedvalues.
【原文标准名称】:导纱器.洞眼、轴、管和猪尾形导纱器.推荐值
【标准号】:NFG42-510-1977
【标准状态】:作废
【国别】:法国
【发布日期】:1977-12-01
【实施或试行日期】:1977-11-22
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;纺织机器;名称与符号;尺寸;几何特性;纺织机械及附件;绕组;织造;螺纹导向器;规范;几何;络纱;尺寸公差;准备
【英文主题词】:
【摘要】:
【中国标准分类号】:W93
【国际标准分类号】:59_120_10
【页数】:4P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforSamplingSteam
【原文标准名称】:取样蒸汽的标准实施规程
【标准号】:ASTMD1066-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D19.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:工艺;抽样方法;蒸汽;水
【英文主题词】:isokineticsampling;samplecooler;sampling;samplingnozzles;saturatedsteam;superheatedsteam
【摘要】:Itisessentialtosamplesteamrepresentativelyinordertodeterminetheamountofallimpurities(dissolvedchemicals,solidparticles,chemicalsabsorbedonsolidparticles,waterdroplets)init(1).3Anaccuratemeasureofthepurityofsteamprovidesinformation,whichmaybeusedtodeterminewhetherthepurityofthesteamiswithinnecessarylimitstopreventdamageordeterioration(corrosion,solidparticleerosion,flow-acceleratedcorrosion,anddepositbuildup)ofdownstreamequipment,suchasturbines.Impuritiesinthesteammaybederivedfromboilerwatercarryover,inefficientsteamseparators,naturalsaltsolubilityinthesteamandotherfactors.Themostcommonlyspecifiedandanalyzedparametersaresodium,silica,iron,copper,andcationconductivity.1.1Thispracticecoversthesamplingofsaturatedandsuperheatedsteam.Itisapplicabletosteamproducedinfossilfiredandnuclearboilersorbyanyotherprocessmeansthatisatapressuresufficientlyaboveatmospherictoestablishtheflowofarepresentativesample.Itisalsoapplicabletosteamatlowerandsubatmosphericpressuresforwhichmeansmustbeprovidedtoestablishrepresentativeflow.1.2Forinformationonspecializedsamplingequipment,testsormethodsofanalysis,referenceshouldbemadetotheAnnualBookofASTMStandards,Vols11.01and11.02,relatingtowater.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_30
【页数】:5P.;A4
【正文语种】: