SJ 20455-1994 军用计算机机房通用规范
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基本信息
| 标准名称： | 军用计算机机房通用规范 |
| 英文名称： | General specification for military computer room |
| 中标分类： | 冶金 >> 冶金综合 >> 技术管理 |
| 发布日期： | 1994-09-30 |
| 实施日期： | 1994-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 15页 |
适用范围
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前言
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引用标准
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所属分类： 冶金 冶金综合 技术管理
下载地址: 点击此处下载
【英文标准名称】:TestMethodforApparentDensityofMetalPowdersUsingtheArnoldMeter
【原文标准名称】:用阿诺德仪表测定金属粉末外观密度的试验方法
【标准号】:ASTMB703-1988
【标准状态】:作废
【国别】:美国
【发布日期】:1988
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:密度;金属;金属粉末;试验;金属的
【英文主题词】:testing;metallic;metallicpowders;metals;density
【摘要】:
【中国标准分类号】:H70
【国际标准分类号】:77_160
【页数】:2P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingNameplateRecoveryRateofStationaryOilSkimmerSystems
【原文标准名称】:测定固定油水分离设备的铭牌回收率的标准试验方法
【标准号】:ASTMF2709-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F20.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:nameplate;oil;recovery;skimmer
【摘要】:Ithasbeenindustrypracticetoclaimthecapacityofaskimmerbasedontherateofthedischargepump(whicharetypicallyratedusingwaterasatestfluid)orotherarbitrarymethods.Endusersneedatestmethodologythatevaluatesoptimumperformancedataforplanningandselectionofequipment.Thistestmethodwillassistproducersandotherstakeholderstoverifyandaccuratelyreportskimmersystemperformance.Thistestmethodisspecificallydesignedtoquantifytwokeyskimmerperformancevalues,toreducetestingcosts,andtoencourageindustrywideperformancestandardization.Thistestmethodestablishestestconditionsthatwillresultinameasurednameplaterecoveryrateandanindicationofthecombinationoftestparameters(oiltype,viscosity,operatingspeed)thatresultinthehighestaverageperformanceforthetestedskimmersystem.Thistestmethodwillvalidatetheperformanceofthedischargepumpintheskimmersystem,underconditionsthataretypicalofarecoveryoperation.Specifically,thiswillincludeamodestimposedheadpressurecomposedofstaticheadanddynamicfrictionlossesduetoaspecifiedlengthofdischargehose.Thistestmethodencouragesperformancetestingusingtwoormoreoilsforcomparisonpurposes.Testsshallbeconductedunderwell-documentedconditionsandgeneraterepeatableresults.Moredetailedtestingandcollectionofskimmerperformanceiscoveredunderexistingstandards(forexample,GuideF631).Testing(SLRoss2007)hasshownthat,whenwaterispresent,recoveryperformanceinslickthicknessesrangingfrom50mmto75mmresultsinvaluescomparabletosignificantlythickerslicks.Thismaynotbethecasewithhigh-rateskimmersinviscousoil,wheretherateofoilrecoveryexceedstherateatwhichtheslickwillflowtotheskimmermechanism.Forskimmingsystemsthatincludevariousoptionsforthedischargepump,thetestdescribedinthistestmethodmaybeusedtomeasuretheperformanceoftheskimmingcomponentofthesystem.Performanceofthepumpingcomponentcanbemeasuredindependentlyusingthesameviscosityofoilandthedischargeheadconditionsnotedinthistestmethod.Thenameplaterecoveryrateofanyspecifiedskimmingcomponentandpumpcombinationwouldbethelesseroftheskimmingcomponentandthepump.1.1Thistestmethoddefinesamethodandmeasurementcriteriatoquantifythenameplaterecoveryrate(capacity)ofastationaryskimmersysteminidealconditions.Ifadeterminationofaskimmerx2019;scapabilitiesinrealisticconditions(thatis,advancingorwaves)isrequired,testingshouldbeperformedaccordingtoGuideF631orequivalent.1.2Thistestmethodincludestheoptionoftestingtodeterminerecoveryefficiency.1.3Thistestmethodandparametersareintendedtoprovideidealrecoveryconditionsallowingtheskimmersystemtooperateandcollectoilatitsmaximumpossiblerecoveryrate.Givenidealconditions,inherentmechanicalandphysicalattributesofthesystembecomethelimitingfactors.1.4Thistestmethodisintendedtoidentifylimitationsoftheskimmersystem,suchasperformanceoftheskimmingmechanism,theflowofoilwithintheskimmerandsump,thepumpcharacteristics,andtypicaldischargeheadconditions.1.5Itisacceptedthatthenameplaterecoveryrateasdeterminedbythistestmethodwillnotlikelybeachievableunderactualconditionsofaspill.Thenameplaterecoveryrateshouldbeusedinconjunctionwithade-ratingfactortoaccountforsuchissuesaschangingencounterrate,changesinotherrecoveryconditions,changesinoilpropertiesandslickthickness,numberofdaylighthours,operatordowntime,lessthanidea......
【中国标准分类号】:Z05
【国际标准分类号】:13_020_40
【页数】:4P.;A4
【正文语种】:英语
【原文标准名称】:用阿诺德仪表测定金属粉末外观密度的试验方法
【标准号】:ASTMB703-1988
【标准状态】:作废
【国别】:美国
【发布日期】:1988
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:密度;金属;金属粉末;试验;金属的
【英文主题词】:testing;metallic;metallicpowders;metals;density
【摘要】:
【中国标准分类号】:H70
【国际标准分类号】:77_160
【页数】:2P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingNameplateRecoveryRateofStationaryOilSkimmerSystems
【原文标准名称】:测定固定油水分离设备的铭牌回收率的标准试验方法
【标准号】:ASTMF2709-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F20.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:nameplate;oil;recovery;skimmer
【摘要】:Ithasbeenindustrypracticetoclaimthecapacityofaskimmerbasedontherateofthedischargepump(whicharetypicallyratedusingwaterasatestfluid)orotherarbitrarymethods.Endusersneedatestmethodologythatevaluatesoptimumperformancedataforplanningandselectionofequipment.Thistestmethodwillassistproducersandotherstakeholderstoverifyandaccuratelyreportskimmersystemperformance.Thistestmethodisspecificallydesignedtoquantifytwokeyskimmerperformancevalues,toreducetestingcosts,andtoencourageindustrywideperformancestandardization.Thistestmethodestablishestestconditionsthatwillresultinameasurednameplaterecoveryrateandanindicationofthecombinationoftestparameters(oiltype,viscosity,operatingspeed)thatresultinthehighestaverageperformanceforthetestedskimmersystem.Thistestmethodwillvalidatetheperformanceofthedischargepumpintheskimmersystem,underconditionsthataretypicalofarecoveryoperation.Specifically,thiswillincludeamodestimposedheadpressurecomposedofstaticheadanddynamicfrictionlossesduetoaspecifiedlengthofdischargehose.Thistestmethodencouragesperformancetestingusingtwoormoreoilsforcomparisonpurposes.Testsshallbeconductedunderwell-documentedconditionsandgeneraterepeatableresults.Moredetailedtestingandcollectionofskimmerperformanceiscoveredunderexistingstandards(forexample,GuideF631).Testing(SLRoss2007)hasshownthat,whenwaterispresent,recoveryperformanceinslickthicknessesrangingfrom50mmto75mmresultsinvaluescomparabletosignificantlythickerslicks.Thismaynotbethecasewithhigh-rateskimmersinviscousoil,wheretherateofoilrecoveryexceedstherateatwhichtheslickwillflowtotheskimmermechanism.Forskimmingsystemsthatincludevariousoptionsforthedischargepump,thetestdescribedinthistestmethodmaybeusedtomeasuretheperformanceoftheskimmingcomponentofthesystem.Performanceofthepumpingcomponentcanbemeasuredindependentlyusingthesameviscosityofoilandthedischargeheadconditionsnotedinthistestmethod.Thenameplaterecoveryrateofanyspecifiedskimmingcomponentandpumpcombinationwouldbethelesseroftheskimmingcomponentandthepump.1.1Thistestmethoddefinesamethodandmeasurementcriteriatoquantifythenameplaterecoveryrate(capacity)ofastationaryskimmersysteminidealconditions.Ifadeterminationofaskimmerx2019;scapabilitiesinrealisticconditions(thatis,advancingorwaves)isrequired,testingshouldbeperformedaccordingtoGuideF631orequivalent.1.2Thistestmethodincludestheoptionoftestingtodeterminerecoveryefficiency.1.3Thistestmethodandparametersareintendedtoprovideidealrecoveryconditionsallowingtheskimmersystemtooperateandcollectoilatitsmaximumpossiblerecoveryrate.Givenidealconditions,inherentmechanicalandphysicalattributesofthesystembecomethelimitingfactors.1.4Thistestmethodisintendedtoidentifylimitationsoftheskimmersystem,suchasperformanceoftheskimmingmechanism,theflowofoilwithintheskimmerandsump,thepumpcharacteristics,andtypicaldischargeheadconditions.1.5Itisacceptedthatthenameplaterecoveryrateasdeterminedbythistestmethodwillnotlikelybeachievableunderactualconditionsofaspill.Thenameplaterecoveryrateshouldbeusedinconjunctionwithade-ratingfactortoaccountforsuchissuesaschangingencounterrate,changesinotherrecoveryconditions,changesinoilpropertiesandslickthickness,numberofdaylighthours,operatordowntime,lessthanidea......
【中国标准分类号】:Z05
【国际标准分类号】:13_020_40
【页数】:4P.;A4
【正文语种】:英语
