【英文标准名称】:Hardmetals-Determinationoftransverserupturestrength
【原文标准名称】:硬质合金.横向断裂强度的测定
【标准号】:BSEN23327-1993
【标准状态】:作废
【国别】:英国
【发布日期】:1993-06-15
【实施或试行日期】:1993-06-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:物理性能;试验;弯曲试验;抗弯应力;抗弯强度;材料强度;试验设备;物理试验;测定;符号;机械试验;试样;金属;粉末冶金;烧结产品;材料;硬质合金;工艺;抗断裂强度;术语
【英文主题词】:Bendtesting;Bendingstrength;Bendingstress;Breakingstrength;Determination;Hardmetals;Materials;Mechanicaltesting;Metals;Physicalproperties;Physicaltesting;Powdermetallurgy;Processes;Samples;Sinteredproducts;Strengthofmaterials;Symbols;Terms;Testequipment;Testing
【摘要】:ThisInternationalStandardspecifiesamethodforthedeter-minationofthetransverserupturestrengthofhardmetals.
【中国标准分类号】:H70
【国际标准分类号】:77_160
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforOperatingPerformanceofContinuousElectrodeionizationSystemsonReverseOsmosisPermeatesfrom2to100S/cm
【原文标准名称】:反向渗透率为2-100S/cm的连续电去电离作用系统的操作性能的标准试验方法
【标准号】:ASTMD6807-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D19.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:continuouselectrodeionization;deionization;electricalcurrentefficiency;electricalresistance;electrodeionization;electroregeneration;highpuritywater;pressuredifferential
【摘要】:CEDIdevicescanbeusedtoproducedeionizedwaterfromfeedsofpretreatedwater.ThistestmethodpermitsthemeasurementofkeyperformancecapabilitiesofCEDIdevicesusingastandardsetofconditions.Thedataobtainedcanbeanalyzedtoprovideinformationonwhetherchangesmayhaveoccurredinoperatingcharacteristicsofthedeviceindependentlyofanyvariabilityinfeedwatercharacteristicsoroperatingconditions.Underspecificcircumstances,themethodmayalsoprovidesufficientinformationforplantdesign.1.1Thistestmethodcoversthedeterminationoftheoperatingcharacteristicsofcontinuouselectrodeionization(CEDI)devices,indicativeofdeionizationperformancewhenadeviceisappliedtoproductionofhighlydeionizedwaterfromtheproductwaterofareverseosmosissystem.Thistestmethodisaprocedureapplicabletofeedwaterscontainingcarbonicacidand/ordissolvedsilicaandothersolutes,withaconductivityrangeofapproximately2to100microsiemens-cm-1.1.2ThistestmethodcoversthedeterminationofoperatingcharacteristicsunderstandardtestconditionsofCEDIdeviceswheretheelectricallyactivetransfermediathereinispredominantlyregenerated.1.3Themethodisnotnecessarilyindicativeof:1.3.1Longtermperformanceonfeedwaterscontainingfoulantsand/orsparinglysolublesolutes;1.3.2Performanceonfeedsofbrackishwater,seawater,orotherhighsalinityfeeds;1.3.3Performanceonsyntheticindustrialfeedsolutions,pharmaceuticals,orprocesssolutionsoffoodsandbeverages;or,1.3.4Performanceonfeedwaterslessthan2S/cm,particularlyperformancerelatingtoorganicsolutes,colloidalorparticulatematter,orbiologicalormicrobialmatter.1.4Thetestmethod,subjecttothelimitationsdescribed,canbeappliedaseitheranaidtopredictexpecteddeionizationperformanceforagivenfeedwaterquality,orasamethodtodeterminewhetherperformanceofagivendevicehaschangedoversomeperiodoftime.Itisultimately,however,theuser'sresponsibilitytoensurethevalidityofthetestmethodfortheirspecificapplications.1.5Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G90
【国际标准分类号】:71_040_50(PHYSICOCHEMICALMETHODSOFANALYSIS)
【页数】:6P.;A4
【正文语种】: