MIL-PRF-122A

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MIL-PRF-122A, PERFORMANCE SPECIFICATION, RESISTORS, FIXED, PRECISION, ESTABLISHED RELIABILITY, GENERAL SPECIFICATION FOR (19 FEB 1990) [SUPERSEDING MIL-R-122] [S/S BY DSCC DWGS 97009, 97010 AND 97011]., This specification covers the general requirements for hermetically sealed, high precision, low reactance, fixed, resistors that possess a high degree of stability with respect to time under severe life failure rates ranging from 1 percent to 0.001 percent per 1,000 hours (see 1.2.1.2). These failure rates are established at 60percent confidence on the basis of life tests.

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【英文标准名称】:Methodfordeterminationofstablehydrogenisotoperatio(H/H)ofwaterfromfruitjuices,usingisotoperatiomassspectrometry
【原文标准名称】:使用同位素比值记录质谱分析法对水果中水的稳定氢同位素比值(H/H)测定方法
【标准号】:DDENV12142-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-02-15
【实施或试行日期】:1997-02-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:同位素;水果汁;仪器分析法;氢同位素;统计数据;再现性;食品;比率;试验设备;饮料;质谱学
【英文主题词】:ratios;reproducibility;instrumentalmethodsofanalysis;hydrogenisotopes;fruitjuices;isotopes;beverages;massspectrometry;foodproducts;statisticaldata;testequipment
【摘要】:
【中国标准分类号】:X24
【国际标准分类号】:67_160_20
【页数】:18P;A4
【正文语种】:英语


【英文标准名称】:Chainsaws-Methodofevaluatingengineperformanceincludingfuelconsumption
【原文标准名称】:链锯.包括燃料消耗的发动机性能评估方法
【标准号】:BS6916-7-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-03-15
【实施或试行日期】:1998-03-15
【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】:内燃机;轻便机床;林业设备;链锯;原动机;性能试验;机床;锯床;试验条件;燃料消耗
【英文主题词】:Chainsaws;Enginenetpower;Forestryequipment;Forestrymachines;Fuelconsumption;Internalcombustionengines;Powersaws;Specification(approval);Testing
【摘要】:ThisInternationalStandardspecifiesamethodfortestingtheperformanceandfuelconsumptionofinternalcombustionenginesusedtopowerportablechain-saws.
【中国标准分类号】:J57
【国际标准分类号】:65_060_80
【页数】:12P.;A4
【正文语种】:英语