热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

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
下载地址: 点击此处下载
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.
下载地址: 点击此处下载
【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



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1