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【英文标准名称】:StandardTestMethodforLaboratoryDeterminationoftheFiberContentofPeatSamplesbyDryMass
【原文标准名称】:用干燥物质作泥炭样品纤维含量的试验室测定的标准试验方法
【标准号】:ASTMD1997-1991(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1991
【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】:D18.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:depositthickness;peat;probing;Fibercontent;Mass;Peatmaterials;Soil
【摘要】:Thepurposeofthistestmethodistostandardizetheprocedurefordeterminingfibercontentofpeatsamplesbydrymass.Astandardtestmethodfordeterminingthequantityoffibersinapeatsampleisnecessarynotonlyforclassifyingsamples(asinClassificationD4427),butisalsoasignificantparameterinpredictingordefiningthemanyendusesofpeat.Inthisregard,fibercontenthasbeenrelatedtoagriculturalandhorticulturalenduses(suchasmulching,soilenrichment,etc.),geotechnicalmeasurements(suchasstrength,compressibility,permeability,etc.),industrialchemicaluses(suchasproductionofwaxes,activatedcarbon,medicinals,etc.),andevenenergyuses(suchasdirectcombustion,methanolproduction,gasyields,etc.).1.1Thistestmethodcoversthelaboratorydeterminationofthefibercontentofsamplesofpeat(asdefinedinClassificationD4427)bydrymass.Italsomaybeusedfornon-peatorganicsoilmaterials.1.2Becausethistestmethodissimpleandrequiresnosophisticatedequipmenttoperform,itisespeciallyrecommendedforroutinereconnaissancework,wherelargenumbersofsamplesneedtobetestedandmineralcontentsarelow.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D20
【国际标准分类号】:65_080
【页数】:2P.;A4
【正文语种】:英语


【英文标准名称】:High-voltagefuses-Current-limitingfuses
【原文标准名称】:高压熔断器.限流熔断器
【标准号】:BSEN60282-1-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2010-04-30
【实施或试行日期】:2010-04-30
【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】:交流开关和控制开关;交流电流;应用;断路容量;限流的;电流额定值;定义;尺寸选定;电气工程;熔断体;熔断器;加热;高电压;高压电器;高压熔断器;高电压技术;检验;额定电压装置;绝缘水平;内部;内部设备;作标记;使用条件;户外;户外变电站;过电流保护装置;合格试验;额定电压;额定值;推荐应用;规范(验收);开关设备;测试;测试条件;使用
【英文主题词】:ACswitchgearandcontrolgear;Alternatingcurrent;Applications;Breakingcapacity;Currentlimiting;Currentratings;Definitions;Dimensioning;Electricalengineering;Fuse-links;Fuses;Heating;Highvoltage;High-voltageequipment;High-voltagefuse;High-voltagetechniques;Inspection;Installationsforratedvoltages;Insulationlevels;Internal;Internalplants;Marking;Operatingconditions;Outdoor;Outdoorsubstations;Overcurrentprotection;Qualificationtests;Ratedvoltages;Ratings;Recommendedapplication;Specification(approval);Switchgear;Testing;Testingconditions;Use
【摘要】:ThispartofIEC60282appliestoalltypesofhigh-voltagecurrent-limitingfusesdesignedforuseoutdoorsorindoorsonalternatingcurrentsystemsof50Hzand60Hzandofratedvoltagesexceeding1000V.Somefusesareprovidedwithfuse-linksequippedwithanindicatingdeviceorastriker.Thesefusescomewithinthescopeofthisstandard,butthecorrectoperationofthestrikerincombinationwiththetrippingmechanismoftheswitchingdeviceisoutsidethescopeofthisstandard;seeIEC62271-105.
【中国标准分类号】:K45
【国际标准分类号】:29_120_50
【页数】:88P.;A4
【正文语种】:英语