基本信息
| 标准名称： | １类高压瓷介电容器质量分等标准 |
| 英文名称： | Class 1 high-voltage ceramic dielectric capacitors-Quality grading standard |
| 中标分类： |
医药、卫生、劳动保护 >>
医药、卫生、劳动保护综合 >>
技术管理 |
| 发布日期： | 1991-03-22 |
| 实施日期： | 1991-04-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2010-01-20 |
| 出版日期： | 1900-01-01 |
| 页数： | 3页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 医药 卫生 劳动保护 医药 卫生 劳动保护综合 技术管理
【英文标准名称】:StandardTestMethodforKinematicViscosityofTransparentandOpaqueLiquids(andCalculationofDynamicViscosity)
【原文标准名称】:透明和不透明液体运动粘度的标准试验方法(包括动态粘度的计算)
【标准号】:ASTMD445-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D02.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电气工程;电绝缘;绝缘液体;运动粘度;不透明的;试验;透明软片;粘度
【英文主题词】:dynamicviscosity;kinematicviscosity;viscometer;viscosity
【摘要】:Manypetroleumproducts,andsomenon-petroleummaterials,areusedaslubricants,andthecorrectoperationoftheequipmentdependsupontheappropriateviscosityoftheliquidbeingused.Inaddition,theviscosityofmanypetroleumfuelsisimportantfortheestimationofoptimumstorage,handling,andoperationalconditions.Thus,theaccuratedeterminationofviscosityisessentialtomanyproductspecifications.1.1Thistestmethodspecifiesaprocedureforthedeterminationofthekinematicviscosity,,ofliquidpetroleumproducts,bothtransparentandopaque,bymeasuringthetimeforavolumeofliquidtoflowundergravitythroughacalibratedglasscapillaryviscometer.Thedynamicviscosity,,canbeobtainedbymultiplyingthekinematicviscosity,,bythedensity,,oftheliquid.Note1Forthemeasurementofthekinematicviscosityandviscosityofbitumens,seealsoTestMethodsD2170andD2171.Note2ISO3104correspondstoTestMethodD445.1.2Theresultobtainedfromthistestmethodisdependentuponthebehaviorofthesampleandisintendedforapplicationtoliquidsforwhichprimarilytheshearstressandshearratesareproportional(Newtonianflowbehavior).If,however,theviscosityvariessignificantlywiththerateofshear,differentresultsmaybeobtainedfromviscometersofdifferentcapillarydiameters.Theprocedureandprecisionvaluesforresidualfueloils,whichundersomeconditionsexhibitnon-Newtonianbehavior,havebeenincluded.1.3Therangeofkinematicviscositiescoveredbythistestmethodisfrom0.2to300000mm2/s(seeTableA1.1)atalltemperatures(seeand).Theprecisionhasonlybeendeterminedforthosematerials,kinematicviscosityrangesandtemperaturesasshowninthefootnotestotheprecisionsection.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:17_060;75_080
【页数】:10P.;A4
【正文语种】: