NF C18-481/A1-2003 带电作业.交流电压为1kV至36kV的便携式相位比较器
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【英文标准名称】:Liveworking-Portablephasecomparatorsforuseonvoltagesfrom1kVto36kVa.c.
【原文标准名称】:带电作业.交流电压为1kV至36kV的便携式相位比较器
【标准号】:NFC18-481/A1-2003
【标准状态】:现行
【国别】:法国
【发布日期】:2003-02-01
【实施或试行日期】:2003-02-20
【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】:电气试验;功能;特性;定义;带电作业;尺寸;机械试验;相位比较器;验收检验;试验;检验;电性能;质量保证;防电击;职业安全;规范(验收);电气工程
【英文主题词】:
【摘要】:
【中国标准分类号】:F21
【国际标准分类号】:13_260
【页数】:6P;A4
【正文语种】:其他
【英文标准名称】:StandardPracticeforReducingSamplesofAggregatetoTestingSize
【原文标准名称】:将集料的现场试样减小到适于试验的标准实施规程
【标准号】:ASTMC702-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:C09.20
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:试验;建筑;施工材料;尺寸;尺寸;集料;抽样方法;现场试验;减低
【英文主题词】:aggregate;aggregate&8212;coarse;aggregate&8212;fine;fieldtesting&8212;aggregate;sampling&8212;aggregates;samplereduction;specimenpreparation
【摘要】:Specificationsforaggregatesrequiresamplingportionsofthematerialfortesting.Otherfactorsbeingequal,largersampleswilltendtobemorerepresentativeofthetotalsupply.Thispracticeprovidesproceduresforreducingthelargesampleobtainedinthefieldorproducedinthelaboratorytoaconvenientsizeforconductinganumberofteststodescribethematerialandmeasureitsqualityinamannerthatthesmallertestsampleportionismostlikelytobearepresentationofthelargersample,andthusofthetotalsupply.Failuretocarefullyfollowtheproceduresinthispracticecouldresultinprovidinganonrepresentativesampletobeusedinsubsequenttesting.Theindividualtestmethodsprovideforminimumamountofmaterialtobetested.Undercertaincircumstances,reductioninsizeofthelargesamplepriortotestingisnotrecommended.Substantialdifferencesbetweentheselectedtestsamplessometimescannotbeavoided,asforexample,inthecaseofanaggregatehavingrelativelyfewlargesizeparticlesinthesample.Thelawsofchancedictatethatthesefewparticlesmaybeunequallydistributedamongthereducedsizetestsamples.Similarly,ifthetestsampleisbeingexaminedforcertaincontaminantsoccurringasafewdiscretefragmentsinonlysmallpercentages,cautionshouldbeusedininterpretingresultsfromthereducedsizetestsample.Chanceinclusionorexclusionofonlyoneortwoparticlesintheselectedtestsamplemayimportantlyinfluenceinterpretationofthecharacteristicsoftheoriginalsample.Inthesecases,theentireoriginalsampleshouldbetested.1.1Thispracticecoversthreemethodsforthereductionoflargesamplesofaggregatetotheappropriatesizefortestingemployingtechniquesthatareintendedtominimizevariationsinmeasuredcharacteristicsbetweenthetestsamplessoselectedandthelargesample.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:SpecificationforPolypropylene(pp)Siding
【原文标准名称】:聚丙烯(PP)墙面板的规范
【标准号】:ANSI/ASTMD7254-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006-10-10
【实施或试行日期】:2006-10-10
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:外观;适用范围;覆层(建筑物);火焰传播;冲击强度;安装说明;说明书;极限;维修;制造;个人保健;塑料;聚丙烯;PP;生产;公共卫生;再循环;规则;耐力;安全;国际单位制;规范;表面;测试;墙面板
【英文主题词】:Appearance;Applicability;Cladding(buildings);Flamepropagation;Impactstrength;Installationinstructions;Instructions;Limitations;Maintenance;Manufacturing;Personalhealth;Plastics;Polypropylene;PP;Produce;Publichealth;Recycling;Regulations;Resistance;Safety;Si-units;Specification;Surfaces;Testing;Weatherboards
【摘要】:Thisspecificationestablishesrequirementsandtestmethodsformaterials,impactstrength,appearance,surfaceflamespread,andwindloadresistanceofsidingproductsmanufacturedfrompolypropylenematerial.Methodsofindicatingcompliancewiththisspecificationarealsoprovided.TheuseofpolypropylenerecycledplasticinthisproductshallbeinaccordancewiththerequirementsinSection.Sidingproducedtothisspecificationshallbeinstalledinaccordancewithmanufacturersinstallationinstructionsforthespecificproducttobeinstalled.Note1Informationwithregardtosidingmaintenanceshallbeobtainedfromthemanufacturer.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationpurposesonly.Thefollowingprecautionarycaveatpertainstothetestmethodportiononly,Section6ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note2ThereisnoknownISOequivalenttothisstandard.
【中国标准分类号】:Q15
【国际标准分类号】:91_060_10
【页数】:
【正文语种】:英语
