【英文标准名称】:Forestrymachinery-Portablechain-saws-Kickbacktest
【原文标准名称】:林业用机械.便携式链锯.逆转试验
【标准号】:BSISO9518-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-12-15
【实施或试行日期】:1998-12-15
【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】:冲击试验;程序设计语言;BASIC语言;轻便机床;林业设备;锯床;链锯;机械驱动装置;物理试验;机床;流程图
【英文主题词】:Agriculturalmachines;Chainsaws;Definition;Definitions;Forestry;Forestryequipment;Portablemachinetools;Saws;Testing
【摘要】:ThisInternationalStandardspecifiesthemethodologyfordeterminingthekickbackpotentialofagasoline-poweredchain-saw,completewithguidebarandsawchain.ThisInternationalStandardhasbeendemonstratedtobeanaccuratemethodofmeasurementforevaluatingcomputedkickbackanglesandenergyassociatedwithchain-sawkickbackforchain-sawswithenginecapacityupto80cm.Itisnotintendedtoevaluatechain-sawswithanenginecapacityofabove80cm.Furthermore,becauseofphysicalsizelimitationsofthekickbackmachine,testingofunitswithguidebarcuttinglengthinexcessof63cmisnotrecommended.NOTE?AlthoughthisInternationalStandardisapplicabletogasoline-poweredchain-saws,thekickbackmachineandtestprocedureoughttobealsosuitablefortestingofelectricpoweredchain-saws.Toaidinapplicationofthistestmethodtoelectricpoweredunits,someinstructionsareincludedinthisdocumentthatrelatespecificallytoelectricchain-saws.
【中国标准分类号】:B96
【国际标准分类号】:65_060_80
【页数】:50P.;A4
【正文语种】:英语


【英文标准名称】:Plasticspipesandfittings-Pressurereductionfactorsforpolyethylenepipelinesystemsforuseattemperaturesabove20°C
【原文标准名称】:塑料管道和配件.使用温度在20℃以上的聚乙烯管道系统的压力折减系数
【标准号】:ISO13761-1996
【标准状态】:现行
【国别】:国际
【发布日期】:1996-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC138
【标准类型】:()
【标准水平】:()
【中文主题词】:配件;聚乙烯管道;管道配件;管系统;塑料管;聚乙烯;压力管;压力调节器;标准值;工作压力
【英文主题词】:Fittings;PEpipes;Pipefittings;Pipingsystem;Plasticpipes;Polyethylene;Pressurepipes;Pressureregulators;Referencevalues;Servicepressure
【摘要】:Givesamethodforthederivationofreductionfactorstobeusedtoobtainthemaximumallowableoperatingpressureforelevated-temperatureoperationofpolyethylene(PE)pipelinesystems.Applicabletofluidswhichdonotadverselyaffectthelong-termpropertiesofthepolyethylenmaterialattemperaturesbetween20鳦and40鳦.
【中国标准分类号】:G33
【国际标准分类号】:23_040_01
【页数】:3P;A4
【正文语种】:英语