HG 3-1068-1977 化学试剂 氯化汞

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基本信息
标准名称:化学试剂 氯化汞
中标分类: 化工 >> 化学试剂 >> 一般无机试剂
替代情况:改号为HG/T 3468-1977
发布日期:
实施日期:2004-05-01
首发日期:
作废日期:
出版日期:
页数:3页
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所属分类: 化工 化学试剂 一般无机试剂
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【英文标准名称】:StandardTestMethodforDeterminationofRolledErosionControlProduct(RECP)PerformanceinProtectingEarthenChannelsfromStormwater-InducedErosion
【原文标准名称】:测定防雨水冲刷保护陶制管道用腐蚀控制产品(RECP)性能的标准试验方法
【标准号】:ASTMD6460-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D18.25
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:覆盖;通道;控制;测定;侵蚀;冲刷控制;性能;冲刷;沉积物;土壤;试验方法
【英文主题词】:channellining;ECB;erosioncontrol;erosioncontrolblanket;RECP;rollederosioncontrolproduct;scour;sediment;soilloss;TRM;turfreinforcementmat
【摘要】:ThistestmethodevaluatesRECPsandtheirmeansofinstallationto:5.1.1Reducesoillossandsedimentconcentrationsinstormwaterrunoffunderconditionsofvaryingchannelconditionsandsoiltype;5.1.2Functionwithinacompositesystemactingasvegetativereinforcement;and5.1.3Improvewaterqualityexitingtheareadisturbedbyearthworkactivitybyminimizingmobilizationofin-situparticleswithinthestreambed.Thistestmethodmodelsandexaminesconditionstypicallyfoundonconstructionsitesinvolvingearthworkactivities,including:highwaysandroads;airports;residential,commercialandindustrialdevelopments;pipelines,mines,andlandfills;golfcourses;etc.Thistestmethodisaperformancetest,butcanbeusedforqualitycontroltodetermineproductconformancetoprojectspecifications.Cautionisadvisedsinceinformationregardinglaboratoryspecificprecisionisincomplete.Forprojectspecificconformance,uniqueproject-specificconditionsshouldbetakenintoconsideration.1.1Thistestmethodcoverstheguidelines,requirementsandproceduresforevaluatingtheabilityofRolledErosionControlProducts(RECPs)toprotectearthenchannelsfromstormwater-inducederosion.CriticalelementsofthisprotectionaretheabilityoftheRECPto:1.1.1Neutralizeandabsorbthehydraulicforceofstormwater,therebyreducingsoilparticlelooseningthrough"scour"mechanisms;1.1.2Slowrunoffandencouragesedimentation,therebyreducingsoilparticletransportdownstream;1.1.3Absorbshearforcesofoverlandflow;1.1.4Trapsoilparticlesbeneath;and1.1.5Promotetheestablishmentofvegetation.1.2Thistestmethodutilizesfull-scaletestingprocedures,ratherthanreduced-scale(bench-scale)simulation,andispatternedafterconditionstypicallyfoundonconstructionsitespriortoandafterrevegetationwork.Further,proceduresforevaluationofbaselineconditionsareprovided.Thus,testpreparation,testexecution,datacollection,dataanalysisandreportingprocedureshereinareintendedtobesuitablefortestingofbaresoil,unvegetatedRECP,vegetatedsoilandvegetatedRECPconditions.1.3ThistestmethodprovidesacomparativeevaluationofanunvegetatedRECPtobaselinebaresoilconditionsandavegetatedRECPtoabaseline,vegetatedconditionundercontrolledanddocumentedconditions.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundunitsgiveninparenthesesareprovidedforinformationpurposesonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Also,theusermustcomplywithprevalentregulatorycodes,suchasOSHA(OccupationalHealthandSafetyAdministration)guidelines,whileusingthetestmethod.
【中国标准分类号】:P57
【国际标准分类号】:13_080_01
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:Low-voltageswitchgearandcontrolgear-Part5-9:controlcircuitdevicesandswitchingelements-Flowrateswitches.
【原文标准名称】:低压开关设备和控制设备.第5-9部分:控制电路设备和开关元件.流量率开关
【标准号】:NFC63-152-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-01-01
【实施或试行日期】:2008-01-19
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:接触元件;控制装置;控制设备;控制开关;定义;电气工程;流量率;低电压;低压电器;低压开关设备;作标记;机械连接;产品信息;特性;合格试验;常规检验;安全组件;机械安全;规范(验收);开关;开关设备;开关元件;测试;试验条件
【英文主题词】:
【摘要】:
【中国标准分类号】:K30
【国际标准分类号】:29_130_20
【页数】:41P;A4
【正文语种】:其他