BS ISO 8802-2-1989 信息处理系统.局域网.第2部分:逻辑链路控制
作者:标准资料网 时间:2024-05-28 15:47:00 浏览:8633
来源:标准资料网
【英文标准名称】:Informationprocessingsystems.localareanetworks.Logicallinkcontrol
【原文标准名称】:信息处理系统.局域网.第2部分:逻辑链路控制
【标准号】:BSISO8802-2-1989
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardSpecificationforTrack-ResistantBlackThermoplasticHigh-DensityPolyethyleneInsulationforWireandCable,75176;COperation
【原文标准名称】:工作温度75°C的电线和电缆用不留痕迹的黑色高密度聚乙烯绝缘材料的标准规范
【标准号】:ASTMD3554-2007
【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】:D09.18
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:黑色;电缆;电气工程;电绝缘材料;电绝缘;电气测试;绝缘;聚乙烯;热塑性聚合物;金属线
【英文主题词】:actest;coldbend;dctest;elongation;environmentalcracking;heatdistortion;high-densitypolyethylene;surfaceresistivity;tensilestrength;thermoplastic;track-resistant;u-benddischarge
【摘要】:1.1Thisspecificationcoverstrack-resistantblackthermoplastichigh-densitypolyethyleneinsulation.Beforeapplicationtotheconductor,theinsulationshallcomplywiththerequirementsofSpecificationD1248,TypeIII,ClassC,Category5,GradeE10,J4,orJ5.TherequirementsofSpecificationD1248shallnotapplytotheinsulationremovedfromtheconductor.1.2Thistypeofinsulationisconsideredsuitableforuseonwireorcablethatwillbeusedforcontinuousoperationatconductortemperaturesupto75176;C.1.3Thisinsulationissuitableforuseonwireorincableusedforpowertransmissioninoverheadspaced-lineservice,installedattemperaturesabove25Candexposedtosunlightandotheratmosphericenvironmentsbetween55and+75C.1.4Inmanyinstances,theinsulationcannotbetestedunlessithasbeenformedaroundaconductor.Therefore,testsdoneoninsulatedwireinthisstandardaresolelytodeterminetherelevantpropertyoftheinsulationandnottotesttheconductororcompletedcable.1.5Whenevertwosetsofvaluesarepresented,indifferentunits,thevaluesinthefirstsetarethestandard,whilethoseinparenthesesareforinformationonly.
【中国标准分类号】:K15
【国际标准分类号】:29_035_20
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforPhosphorusinLubricatingOilsandAdditivesbyQuinolinePhosphomolybdateMethod
【原文标准名称】:用喹啉磷钼酸盐法测定润滑油及添加剂中磷含量的试验方法
【标准号】:ASTMD4047-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D02.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:含量测定;石油产品;磷;试验;润滑剂
【英文主题词】:additives;lubricatingoils;phosphomolybdate;phosphorous
【摘要】:Knowledgeofthephosphoruscontent,andthusthephosphorus-containingadditives,inalubricatingoiloradditivecanbeusedtopredictperformancecharacteristics.1.1Thistestmethodcoversthedeterminationof0.005to10.0mass%phosphorusinunusedlubricatingoilandadditiveconcentrates.Thereisnoreasontodoubtitsapplicabilitytofiltered,usedlubricatingoils,butnosystematicstudyofthisapplicationhasbeenmade.1.2Thetestmethodisapplicabletosamplescontaininganyofthephosphoruscompoundsinnormaluse.Note18212;ThistestmethodextendsthescopeofthepreviousversionofIP149andreplacesIP148andthepreviousversionofIP149asarefereemethod.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see6.9.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:4P.;A4
【正文语种】:
