【英文标准名称】:Methodforverifyingaccuracyoftandeltameasurementsapplicabletocapacitors
【原文标准名称】:适用于电容器的正切三角测量精度检验方法
【标准号】:PD6528-1990
【标准状态】:现行
【国别】:英国
【发布日期】:1990-11-30
【实施或试行日期】:1990-11-30
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定型试验;试验条件;电容器;准确度;验证;性能试验;热稳定性
【英文主题词】:capacitors;thermalstability;performancetesting;accuracy;testingconditions;verification;typetesting
【摘要】:Testmethodforusewithshuntandseriescapacitors,rated15Hzto60Hz,duringthethermalstabilitytypetestsrequiredbyotherBritishStandardsforcapacitors.
【中国标准分类号】:L85;L11
【国际标准分类号】:31_060_01
【页数】:8P;A4
【正文语种】:英语
基本信息
标准名称: | 铝土矿石化学分析方法 钼蓝光度法测定二氧化硅量 |
英文名称: | Methods for chemical analysis of bauxite -- Determination of silicon dioxide content -- Molybdenum blue photometric method |
中标分类: |
矿业 >>
有色金属矿 >>
重金属矿 |
ICS分类: |
采矿和矿产品 >>
金属矿
|
替代情况: | 原标准号GB/T 3257.3-1999;被YS/T 575.3-2007代替 |
发布日期: | 2006-07-27 |
实施日期: | 2006-10-11 |
首发日期: | |
作废日期: | 2008-05-01 |
出版社: | 中国标准出版社 |
出版日期: | 2006-10-11 |
页数: | 5页 |
适用范围
没有内容
前言
没有内容
目录
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引用标准
没有内容
所属分类: 矿业 有色金属矿 重金属矿 采矿和矿产品 金属矿
【英文标准名称】:StandardTestMethodforResistanceofFineAggregatetoDegradationbyAbrasionintheMicro-DevalApparatus
【原文标准名称】:使用微型台佛尔仪测量细精级料抗磨损降级的试验方法
【标准号】:ASTMD7428-2008e1
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D04.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasionresistance;fineaggregate;micro-Deval;test;Abrasionresistance;Fineaggregate;Micro-Devalapparatus
【摘要】:TheMicro-Devalabrasiontestisatestoffineaggregatetodetermineabrasionlossinthepresenceofwaterandanabrasivecharge.Manyaggregatesaremoresusceptibletoabrasionwhenwetthandry,andtheuseofwaterinthistestincorporatesthisreductioninresistancetodegradation.Thetestresultsarehelpfulinevaluatingthetoughness/abrasionresistanceoffineaggregatesubjecttoabrasionwhenadequateinformationisnotavailablefromservicerecords.Thistestissuitableformeasuringtheamountofweak,softmaterialsuchasshaleorshaleycarbonateinfineaggregate.Materialsthatgivealowlossinthistestareunlikelytoexhibitsignificantdegradationduringhandling,mixingorplacing.ThereisarelationshipbetweendryingshrinkageofcementmortarandMicro-Devalabrasionlossoffineaggregate,withhigherlossmaterialsresultinginhigherdryingshrinkage.Descriptionsofthedevelopmentofthetestandtherelationshipwithotherpropertieshavebeenpublished.,,TheMicro-Devalabrasiontestonfineaggregateisusefulfordetectingchangesinpropertiesofaggregateproducedfromanaggregatesourceaspartofaqualitycontrolorqualityassuranceprocess.TheMicro-Devalabrasiontestonfineaggregate,incontrasttotheversiononcoarseaggregate,hasasignificantcorrelationwiththeMagnesiumSulfatesoundnesslossoffineaggregate.TheMicro-Devaltestonfineaggregatehasbetterprecisionthanthesulfatesoundnesstest,isquicker,andmaybeusedinplaceofthattest.Adviceonspecificvaluesforselectionofaggregatewillbefoundintheappendix.1.1ThistestmethodcoversaprocedurefortestingfineaggregateforresistancetoabrasionusingtheMicro-Devalapparatus.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thetextofthismethodreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthetestmethod.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:6P.;A4
【正文语种】:英语