MIL-HDBK-1908B
作者:标准资料网 时间:2024-05-04 06:06:10 浏览:9697
来源:标准资料网
MIL-HDBK-1908B, DEPARTMENT OF DEFENSE HANDBOOK: DEFINITIONS OF HUMAN FACTORS TERMS (16 AUG 1999)., This handbook defines terms frequently used in human factors standardization documents by providing common meanings of such terms to ensure that they will be interpreted consistently and in the manner intended.
【英文标准名称】:Liveworking-Portablephasecomparatorsforuseonvoltagesfrom1kVto36kVa.c.
【原文标准名称】:带电作业交流电压1KV-36KV用便携式相位比较仪
【标准号】:IEC61481-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-02
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC78
【标准类型】:()
【标准水平】:()
【中文主题词】:功能;电性质和电现象;职能;定义;带电作业;相位比较器;防电击;检验;机械试验;规范(验收);电气工程;电气试验;试验;试验;试验;试验;定义;尺寸;特性;质量保证;验收检验;职业安全
【英文主题词】:Acceptanceinspection;Alternatingvoltages;Definitions;Dimensions;Electricalengineering;Electricalpropertiesandphenomena;Electricaltesting;Functions;Inscription;Inspection;Liveworking;Mechanicaltesting;Occupationalsafety;Phasecomparators;Portable;Properties;Protectionagainstelectricshocks;Qualityassurance;Specification(approval);Testing
【摘要】:ThisInternationalStandardisapplicabletoportablephasecomparatorswithorwithoutabuilt-inpowersourcetobeusedonelectricalsystemsforvoltagesfrom1kVto36kVa.c.andfrequenciesfrom50Hzto60Hz.Thisstandardisapplicabletotwo-polephasecomparatorshavingaconnectingleadbetweenthem,two-polephasecomparatorsoperatingwithawirelessconnectionandsingle-polephasecomparatorsoperatingwithamemorysystem.Thisstandardisapplicabletophasecomparatorsusedincontactwiththeparttobetested,asasingleunitorasaseparatedevicecompletedbyanadaptableinsulatingpolecoveredinIEC60855orIEC61235.Somerestrictionsontheiruseareapplicableinthecaseoffactory-assembledswitchgearandonoverheadsystemsofelectrifiedrailways(seeannexB).Deviceswhichcanbeusedasvoltagedetectorandphasecomparatorarenotcoveredbythisstandard.NOTEExceptwhenotherwisespecified,allthevoltagesdefinedinthisstandardrefertophase-to-phasevoltagesofthree-phasesystems.Phasecomparatorsmaybeusedinotherthanthree-phasesystems,buttheapplicablephase-to-phaseorphase-to-earth(ground)voltagemustbeusedtodeterminetheoperatingvoltage.
【中国标准分类号】:F21
【国际标准分类号】:13_260
【页数】:103P.;A4
【正文语种】:英语
【英文标准名称】:Methodforpreparationofsamplesofironoresbymanualmeans
【原文标准名称】:铁矿石试样的手工制备方法
【标准号】:BS5661-1987
【标准状态】:作废
【国别】:英国
【发布日期】:1987-10-30
【实施或试行日期】:1987-10-30
【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】:磨碎;精密度;按大小分级;金属矿;抽样方法;铁矿石;水分测定;试样制备;人力驱动装置;尺寸;采样设备;化学分析和试验;作标记
【英文主题词】:Apparatus;Ironores;Minerals;Ores;Samples;Specimenpreparation
【摘要】:ThisInternationalStandardspecifiesa)theunderlyingtheory,b)thebasicprinciples,andc)thebasicrequirementsforthedevicesandtheiropera-tionforthemanualmethodofpreparationofsamplestakenfromaconsignmentofironoreinaccordancewithISO3081orISO3082,forthepurposeofdeterminingthequalitycharacteristicsoftheconsignment.NOTE—ThetheoryandbasicprinciplesgivenhereinaresimilartothosegiveninISO3081andISO3082.
【中国标准分类号】:D31
【国际标准分类号】:73_060_10
【页数】:20P.;A4
【正文语种】:英语