IEC 60367-2A-1976 通信用电感器和变压器磁芯第2部分:性能规范的编写指南补充1
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【英文标准名称】:Coresforinductorsandtransformersfortelecommunications.Part2:Guidesforthedraftingofperformancespecifications.
【原文标准名称】:通信用电感器和变压器磁芯第2部分:性能规范的编写指南补充1
【标准号】:IEC60367-2A-1976
【标准状态】:作废
【国别】:国际
【发布日期】:1976
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC51
【标准类型】:()
【标准水平】:()
【中文主题词】:线圈;性能;变压器;通信设备;电信;规范;电气工程;铁氧体磁心;保护线圈
【英文主题词】:transformers;specifications;telecommunication;electricalengineering;communications;ferritcores;protectivecoils;performance;spools;electriccoils
【摘要】:
【中国标准分类号】:L19
【国际标准分类号】:29_100_10
【页数】:7P;A4
【正文语种】:英语
基本信息
| 标准名称： | 平面回转筛 |
| 中标分类： |
食品 >>
食品加工机械 >>
粮食与油脂加工机械 |
| ICS分类： |
食品技术 >>
食品工业厂房和
|
| 替代情况： | 原标准号SB/T 10256-1995 |
| 发布日期： | 1995-05-29 |
| 实施日期： | 1995-10-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 6页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 食品 食品加工机械 粮食与油脂加工机械 食品技术 食品工业厂房和
【英文标准名称】:StandardTestMethodforHydraulicConductivityCompatibilityTestingofSoilswithAqueousSolutions
【原文标准名称】:含水溶液土壤的液压电导率相容性试验的标准试验方法
【标准号】:ASTMD7100-2006
【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】:D18.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:含水的;兼容性;电导性;液压的;土壤;溶液;试验
【英文主题词】:constanthead;fallinghead;hydraulicbarrier;hydrauliccompatibility;hydraulicconductivity;intrinsicpermeability;liner
【摘要】:1.1Thistestmethodcovershydraulicconductivitycompatibilitytestingofsaturatedsoilsinthelaboratorywithaqueoussolutionsthatmayalterhydraulicconductivity(forexample,wasterelatedliquids)usingaflexible-wallpermeameter.Ahydraulicconductivitytestisconducteduntilbothhydraulicandchemicalequilibriumareachievedsuchthatpotentialinteractionsbetweenthesoilspecimenbeingpermeatedandtheaqueoussolutionaretakenintoconsiderationwithrespecttothemeasuredhydraulicconductivity.1.2Thistestmethodisapplicabletosoilswithhydraulicconductivitieslessthanapproximately110-8m/s.1.3Inadditiontohydraulicconductivity,intrinsicpermeabilitycanbedeterminedforasoilifthedensityandviscosityoftheaqueoussolutionareknownorcanbedetermined.1.4Thistestmethodcanbeusedforallspecimentypes,includingundisturbed,reconstituted,remolded,compacted,etc.specimens.1.5Aspecimenmaybesaturatedandpermeatedusingthreemethods.Method1isforsaturationwithwaterandpermeationwithaqueoussolution.Method2isforsaturationandpermeationwithaqueoussolution.Method3isforsaturationwithwater,initialpermeationwithwater,andsubsequentpermeationwithaqueoussolution.1.6Theamountofflowthroughaspecimeninresponsetoahydraulicgradientgeneratedacrossthespecimenismeasuredwithrespecttotime.Theamountandpropertiesofinfluentandeffluentliquidsaremonitoredduringthetest.1.7ThehydraulicconductivitywithanaqueoussolutionisdeterminedusingproceduressimilartodeterminationofhydraulicconductivityofsaturatedsoilswithwaterasdescribedinTestMethodsD5084.Severaltestprocedurescanbeused,includingthefallingheadwater-risingtailwater,theconstant-head,thefallingheadwater-constanttailwater,ortheconstantrate-of-flowtestprocedures.1.8ThestandardunitsforthehydraulicconductivityvaluesaretheSIunits,unlessotherunitsarespecified.Hydraulicconductivityhastraditionallybeenexpressedincm/sintheU.S.,eventhoughtheofficialSIunitforhydraulicconductivityism/s.1.9ThisstandardcontainsaHazardssectionrelatedtousinghazardousliquids(Section7).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:
【页数】:17P.;A4
【正文语种】:
