【英文标准名称】:RecommendedPracticeforFireProtectionforHydroelectricGeneratingPlants
【原文标准名称】:水力发电厂的防火推荐实施规程
【标准号】:ANSI/NFPA851-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:能源技术;防火安全;水力发电站;安全工程;安全要求
【英文主题词】:Energytechnology;Firesafety;Hydroelectricpowerstations;Safetyengineering;Safetyrequirements
【摘要】:Thisdocumentprovidesrecommendations(notrequirements)forfirepreventionandfireprotectionforhydroelectricgeneratingplants.Theterm"hydroelectricgeneratingplant"alsocanbereferredtoas"station,""project,""unit(s),""facility,"or"site."
【中国标准分类号】:C80
【国际标准分类号】:13_220_20;27_140
【页数】:
【正文语种】:英语


【英文标准名称】:StandardTestMethodforTensilePropertiesofSingleTextileFibers
【原文标准名称】:单支纺织品纤维张力性能的标准试验方法
【标准号】:ASTMD3822-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.58
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:特性;抗拉强度;试验;纺织纤维;纺织品
【英文主题词】:tension(textile)properties/tests;textilefiber
【摘要】:1.1Thistestmethodcoversthemeasurementoftensilepropertiesofnaturalandman-madesingletextilefibersofsufficientlengthtopermitmountingtestspecimensinatensiletestingmachine.1.2Thistestmethodisalsoapplicabletocontinuous(filament)anddiscontinuous(staple)fibersorfilamentstakenfromyarnsortow.Whenthefiberstobetestedcontaincrimp,orifthetoworyarnshavebeensubjectedtobulking,crimping,ortexturingprocess,thetensilepropertiesaredeterminedafterremovalofthecrimp.Note18212;Testingoffilamentstakenfromyarnsortow,includedinthistestmethodwasoriginallycoveredinTestMethodD2101,thatisdiscontinued.1.3Thewords"fiber"and"filament"areusedinterchangeablythroughoutthistestmethod.1.4Thistestmethodisalsoapplicabletofibersremovedfromyarns,orfromyarnsprocessedfurtherintofabrics.Itshouldberecognizedthatyarnandmanufacturingprocessescaninfluenceormodifythetensilepropertiesoffibers.Consequently,tensilepropertiesdeterminedonfiberstakenfromyarns,orfromyarnsthathavebeenprocessedintofabrics,maybedifferentthanforthesamefiberspriortobeingsubjectedtoyarnorfabricmanufacturingprocesses.1.5Thistestmethodprovidesdirectionsformeasuringthebreakingforceandelongationatbreakofsingletextilefibersandforcalculatingbreakingtenacity,initialmodulus,chordmodulus,tangentmodulus,tensilestressatspecifiedelongation,andbreakingtoughness.1.6Proceduresformeasuringthetensilepropertiesofbothconditionedandwetsinglefibersareincluded.Thetestmethodisapplicabletotestingunderawiderangeofconditions.1.7Asthelengthofthetestspecimendecreases,thetensilestrengthislikelytoincrease,buttheaccuracyofthetensilepropertiesdeterminedmaydecrease,whichmayrequiretheneedtoincreasethenumberoftestspecimens.Thisisparticularlytrueforthosepropertiesdependentonthemeasurementofelongation,sincetheshorterlengthsincreasetherelativeeffectofslippageandstretchingofthetestspecimenswithinthejawsofeitherclamp.1.8Thevaluesstatedineitheracceptablemetricunitsorinotherunitsshallberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W04
【国际标准分类号】:59_060_01
【页数】:10P.;A4
【正文语种】: