HB 4541-1992 MJ内螺纹第Ⅰ系列工艺底孔用圆锥尾量头双头光滑塞规 MJ3.5~MJ40

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标准名称:MJ内螺纹第Ⅰ系列工艺底孔用圆锥尾量头双头光滑塞规 MJ3.5~MJ40
中标分类:
发布日期:1992-10-04
实施日期:1992-12-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:16页
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【英文标准名称】:Altitude-LowTemperatureTestProcedureforElectricalConnectors
【原文标准名称】:电连接器用高-低温度试验程序
【标准号】:ANSI/EIA-364-105-A-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】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:连接设备;电连接器;电气的;电气元件;电气工程;电子产品;低温;温度试验;测试;试验
【英文主题词】:Connectingdevices;Electricconnectors;Electrical;Electricalcomponents;Electricalengineering;Electronicproducts;Lowtemperatures;Temperaturetest;Testing;Tests
【摘要】:Establishesatestmethodtosimulateactualserviceusagebyinducinglowtemperatures,andapplyingthetestvoltageatsimulatedaltitudes.
【中国标准分类号】:L23
【国际标准分类号】:29_120_20
【页数】:
【正文语种】:英语


【英文标准名称】:StandardGuideforCharacterizingHydrocarbonLubricantBaseOils
【原文标准名称】:烃类润滑基油特性的标准指南
【标准号】:ASTMD6074-2008
【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】:D02.P0
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:baseoil;basestock;hydrocarbon;lubricants;oil;Baseoils;Hydrocarbons;Lubricants;Lubricatingoils;Refinedoils;Re-refinedbaseoils
【摘要】:Theconsistentperformanceofhydrocarbonlubricantbaseoilsisacriticalfactorinawidevarietyofapplicationssuchasengineoils,industriallubricants,andmetalworkingfluids.Inaddition,inmanyoftheseapplicationshumansareexposedtothebaseoilsasacomponentofaformulatedproductsuchthathealthorsafetyconsiderationsmayneedtobeaddressed.Thisguidesuggestsacompilationofpropertiesandpotentialcontaminantsthatareunderstoodbythoseknowledgeableinthemanufactureanduseofhydrocarbonlubricantstobeofsignificanceinsomeorallapplications.AdiscussionofeachofthesuggestedpropertiesandpotentialcontaminantsisprovidedinAppendixX1,witheachlistedalphabeticallywithinfourcategories.Potentialsourcesofbaseoilvariationincludetherawmaterial,manufacturingprocess,operatingconditions,storage,transportation,andblending.Thetestmethods,baseoilproperties,andpotentialcontaminantssuggestedarethosethatwouldlikelybeusefulinmanycommonsituations,althoughitisrecognizedthattherearespecificapplicationsandsituationsthatcouldhavedifferentrequirements.Performancetestingrelatedtothespecificapplicationshouldserveasthebasisforacceptability.Issuessuchasfrequencyoftestingandthespecificsofhowthetestresultsaretobeappliedarenotaddressedindetail.Itistheresponsibilityofthebuyerandsellertodetermineandagreeupontheimplementationofthisguide.Thisguideservesasabasisforthatdiscussion.1.1Thisguidesuggestsphysical,chemical,andtoxicologicaltestmethodsforcharacterizinghydrocarbonlubricantbaseoilsderivedfromvariousrefiningprocessesincludingre-refiningusedoilsandrefiningcrudeoil.Thisguidedoesnotpurporttocoveralltestswhichcouldbeemployed.Itistheresponsibilityofthebuyerandsellertodetermineandagreeupontheimplementationofthisguide.1.2Thisguideappliesonlytobaseoilsandnottofinishedlubricants.1.3Thisguideisrelevanttobaseoilscomposedofhydrocarbonsandintendedforuseinformulatingproductsincludingautomotiveandindustriallubricants.Thesebaseoilswouldtypicallyhaveaviscosityofapproximately2to40mm2/s(cSt)at100x00B0;C(50to3740SUSat100x00B0;F).1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:9P.;A4
【正文语种】:英语