【英文标准名称】:StandardTestMethodforDiagnosticSoilTestforPlantGrowthandFoodChainProtection
【原文标准名称】:植物生长和食物链保护的土壤诊断试验标准试验方法
【标准号】:ASTMD5435-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:D18.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:diagnosticsoiltest;foodchain;plant;Bioavailability;Chemicalanalysis--soil/rock/relatedmaterials;Diagnosticsoiltest;Flyashandotherpozzolans;Foodchainprotection;Plantgrowth/life;Sewagesludgemonitoring;Soil;Spoils;Vegetation
【摘要】:Thebioavailabilityofchemicalelementsispoorlyrelatedtothechemicalcompositionofsoilsandplantgrowthmediacontainingamineraloranytypeofadsorbedphase.Thechemicalpotential(piforelement,i,)isanintensityparameter(I),andthesorbedamountinequilibriumwiththesoilsolutionisameasureofthequantity(Q).Theseparametersforeachelement(essentialortoxic)shouldbemeasuredinthepresenceofotherelementsatornearthedesiredintensity.Thistestmethodistheonlymethodthatgeneratestheseresultssimultaneouslyforseveralelements.Thecomputersoftwareallowsthesevaluestoberelatedtothetotalsorbedquantitiesofthedifferentelements.Formanysubstrates,ithasbeenfoundthatthetheoryforthemethodholdstothedegreethatvegetationhasbeenestablishedonmanynon-soilsubstratesandsoil-water-foodchainproblemshavebeenevaluatedbythistestmethod.ThistestmethodhasbeenusedonmanysitesinPennsylvaniaandotherlocationstomonitortheeffectofsewagesludgeapplicationsonlandasasourceofessentialelementsforplantswithnoharmfuleffectsonthefoodchain.Ithasalsobeenusedtoevaluatesyntheticsoilsproducedfromfly-ashaloneorasacomponentofcoalrefusefortheestablishmentofvegetationonminespoils,coalrefusepiles,andabandonedminelands.Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspectionandthelike.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thistestmethodcoversthedeterminationofquantity(Q)andintensity(I)resultsforseveralelementsinsoils,spoils,fly-ash,andothersoilsubstitutestoascertaintheirsuitabilityforthegrowthofvegetationandpossibleadverseeffectsofmetalsonthefoodchain.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B11
【国际标准分类号】:13_080_30
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:FixedCapacitorsforUseinElectronicEquipment-Part14:Sectionalspecification:Fixedcapacitorsforelectromagneticinterferencesuppressionandconnectiontothesupplymains
【原文标准名称】:电子设备用固定电容器.第14部分:分规范:电磁干扰抑制和馈电干线连接用固定电容器
【标准号】:ANSI/UL60384-14-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:交流电压;认可;电容器;组件;定义;尺寸选定;(电网)电源;电气工程;电气测试;电磁兼容性;电磁干扰;电磁特性;电子工程;电子设备及元件;电子仪器;EMC;评估;固定电容器;检验;干扰抑制;电力网供电;测量;测量技术;性能;质量;质量评定;质量评定程序;评定;安全试验;分规范;规范;测试;外观检查(测试)
【英文主题词】:Alternatingvoltages;Approval;Capacitors;Components;Definitions;Dimensioning;Electricmains;Electricalengineering;Electricaltesting;Electromagneticcompatibility;Electromagneticinterferences;Electromagneticproperties;Electronicengineering;Electronicequipmentandcomponents;Electronicinstruments;EMC;Evaluations;Fixedcapacitors;Inspection;Interferencesuppression;Mainspowersupply;Measurement;Measuringtechniques;Properties;Quality;Qualityassessment;Qualityassessmentprocedures;Ratings;Safetytests;Sectionalspecification;Specification;Testing;Visualinspection(testing)
【摘要】:RevisionstotheProposedFirstEditionoftheStandardforFixedCapacitorsforUseinElectronicEquipment-Part14:Sectionalspecification:Fixedcapacitorsforelectromagneticinterferencesuppressionandconnectiontothesupplymains,UL60384-14.
【中国标准分类号】:L11
【国际标准分类号】:31_060_10
【页数】:
【正文语种】:英语