BS EN 60564-1979 测量电阻用直流电桥
时间:2024-05-29 05:42:50 来源: 标准资料网 作者：标准资料网 阅读：8665
【英文标准名称】:D.C.bridgesformeasuringresistance
【原文标准名称】:测量电阻用直流电桥
【标准号】:BSEN60564-1979
【标准状态】:现行
【国别】:英国
【发布日期】:1979-07-31
【实施或试行日期】:1979-07-31
【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】:符号;精密度;规范(验收);电气工程;泄漏电流;电阻测量电桥;测量;定义;安全要求;直流电压;缺陷;储存;电阻测量;安全工程;基准面;电学测量仪表;电桥;分辨率;电路;电阻器;温度极限;测量仪器;直流电流;防护屏蔽;公差(测量)
【英文主题词】:Bridges(electric);Bridgesforresistancemeasurement;Circuits;Connectionsformeasurement;Datum;Defects;Definitions;Directcurrent;Directvoltage;Electricalengineering;Electricalmeasuringinstruments;Errorlimits;Humidity;Influenceeffects;Influencequantity;Insulatingresistance;Leakagecurrents;Measurement;Measuringbridges;Measuringinstruments;Measuringranges;Precision;Referenceconditions;Resistancemeasurement;Resistors;Resolution;Safetyengineering;Safetyrequirements;Shields;Specification(approval);Storage;Symbols;Temperature-riselimit;Tolerances(measurement)
【摘要】:Termsanddefinitions,classification,stability,permissiblelimitsofintrinsicerrors,permissiblevariations,additonalelectricalandmechanicalrequirements,markingsandsymbols.
【中国标准分类号】:N21
【国际标准分类号】:17_220_20
【页数】:24P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforPileThicknessofFinishedMultilevelPileYarnFloorCovering
【原文标准名称】:经加工的多级绒头纱地板覆层的绒头厚度标准试验方法
【标准号】:ASTMD7241-2006
【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】:D13.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:覆盖;地板覆盖物;绒头地毯;桩;试验;厚度;纱
【英文主题词】:carpet;multilevel;pilethickness;pileyarnfloorcovering
【摘要】:1.1Thistestmethodcoversthedeterminationofpilethicknessoffinishedmultilevelpileyarnfloorcoveringusingathicknessmeasuringinstrumenthavingastationarysurface(platen),acircularpressurefootunderspecifiedforce,andcapableofbeingmovedverticallyabovetheplaten.1.2Thistestmethodisapplicableonlytofinishedmultilevellooppileconstructions.Note1DeterminationofpilethicknessofmultilevelpileyarnfloorcoveringswaspreviouslycontainedwithinTestMethodD418.Foruserconvenience,SubcommitteeD13.21subdividedTestMethodD418intoseparatestandardsofwhichthistestmethodisone.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationonlyandmaybeapproximate.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:59_080_60
【页数】:8P.;A4
【正文语种】:
【英文标准名称】:Soilquality-Gaschromatographicquantitativedeterminationofvolatilearomaticandhalogenatedhydrocarbonsandselectedethers-Staticheadspacemethod
【原文标准名称】:土壤质量.挥发性芳烃和卤化烃与选定醚的气相色谱定量测定.静态液上法
【标准号】:ISO22155-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC190
【标准类型】:()
【标准水平】:()
【中文主题词】:芳烃;化学分析和试验;色谱法;土壤组分;测定;含量测定;醚;气相色谱法;卤化烃;液上分析;烃类;数学计算;分析方法;抽样方法;土壤分析;土壤普查;土壤试验;土壤;挥发物测定;挥发有机混合物含量;挥发有机混合物;水常规
【英文主题词】:Aromatichydrocarbons;Chemicalanalysisandtesting;Chromatography;Compositionoftheground;Determination;Determinationofcontent;Ethers;Gaschromatography;Halogenatedhydrocarbons;Head-spaceanalysis;Hydrocarbons;Mathematicalcalculations;Methodsofanalysis;Samplingmethods;Soilanalysis;Soilsurveys;Soiltesting;Soils;Volatilematterdetermination;Volatileorganiccompoundcontent;Volatileorganiccompounds;Waterpractice
【摘要】:ThisInternationalStandardspecifiesastaticheadspacemethodforquantitativegaschromatographicdeterminationofvolatilearomaticandhalogenatedhydrocarbonsandselectedaliphaticethersinsoil.ThisInternationalStandardisapplicabletoalltypesofsoil.Thelimitofdeterminationisdependentonthedetectionsystemusedandthequalityofthemethanolgradeusedfortheextractionofthesoilsample.UndertheconditionsspecifiedinthisInternationalStandard,thefollowinglimitsofdeterminationsapply(expressedonthebasisofdrymatter):a)whenusinggaschromatographywithaflameionizationdetector(GC-FID),thetypicallimitofdeterminationis0,2mg/kgforvolatilearomatichydrocarbonsand0,5mg/kgforaliphaticethersasmethylfert-butylether(MTBE)andtert-amylmethylether(TAME);b)whenusinggaschromatographywithanelectroncapturedetector(GC-ECD),thetypicallimitofdeterminationis0,01mg/kgto0,2mg/kgforvolatilehalogenatedhydrocarbons.NOTELowerlimitsofdeterminationcanbeachievedbyusingmassspectrometry(MS)withselectediondetection.
【中国标准分类号】:B11
【国际标准分类号】:13_080_10
【页数】:17P;A4
【正文语种】:英语