EN 61228-1994 日光浴用紫外线灯紫外线辐射量的规定和测量方法
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【英文标准名称】:MethodofmeasuringandspecifyingtheUV-radiationofultravioletlampsusedforsun-tanning(IEC61228:1993);GermanversionEN61228:1994
【原文标准名称】:日光浴用紫外线灯紫外线辐射量的规定和测量方法
【标准号】:EN61228-1994
【标准状态】:现行
【国别】:
【发布日期】:1995-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:紫外线;电气工程;光线疗法;紫外线辐射;试验;试验条件;家用设备;辐照器;测量;作标记;家用电器;荧光灯;定义;电灯;皮肤治疗器械;照明工程;放电灯;评定;照明系统;测量技术;灯;皮肤化妆用具;辐射;规范(验收)
【英文主题词】:
【摘要】:日光浴用紫外线灯紫外线辐射量的规定和测量方法
【中国标准分类号】:K71
【国际标准分类号】:17_240;29_140_30;97_170
【页数】:6P;A4
【正文语种】:英语
【英文标准名称】:Specificationforcolourcodeforidentificationoftheconstituentmaterialofropesandcordage
【原文标准名称】:绳索和缆索组成材料的识别颜色代码规范
【标准号】:BS6033-1981
【标准状态】:作废
【国别】:英国
【发布日期】:1981-04-30
【实施或试行日期】:
【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】:聚烯烃纤维;人造纤维绳;天然纤维绳;绳索;聚酰胺纤维;化学纤维;识别方法;聚酯纤维;蕉麻;色码;软索;剑麻;纺织纤维
【英文主题词】:colourcodes;sisal;man-madefibres;abaca;polyamidefibres;identificationmethods;man-madefibreropes;natural-fibreropes;textilefibres;ropes;polyesterfibres;polyolefinfibres;cords
【摘要】:
【中国标准分类号】:A26;W58
【国际标准分类号】:
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforDeterminationoftheSoilWaterChararcteristicCurveforDesorptionUsingaHangingColumn,PressureExtractor,ChilledMirrorHygrometer,and/orCentrifuge
【原文标准名称】:使用悬垂柱、压力萃取器、冷镜式湿度计和/或离心分离机测定土壤水解吸性能曲线的标准试验方法
【标准号】:ASTMD6836-2002
【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(ASTM)
【起草单位】:D18.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:离心机;柱;曲面;解吸;测定;萃取器;湿度计;镜子;压力;土壤水;土壤
【英文主题词】:capillarypressure;chilledmirrorhygrometer;gravimetricwatercontent;hangingcolumn;matricpotential;matricsuction;pressuremembrane;pressureplate;soil;soilwatercharacteristiccurve;suction;totalsuction;volumetricwatercontent;wateractivity;
【摘要】:Thesoilwatercharacteristiccurve(SWCC)isfundamentaltohydrologicalcharacterizationofunsaturatedsoilsandisrequiredformostanalysesofwatermovementinunsaturatedsoils.TheSWCCisalsousedincharacterizingtheshearstrengthandcompressibilityofunsaturatedsoils.TheunsaturatedhydraulicconductivityofsoilisoftenestimatedusingpropertiesoftheSWCCandthesaturatedhydraulicconductivity.Thismethodappliesonlytosoilscontainingtwoporefluids:agasandaliquid.Theliquidisusuallywaterandthegasisusuallyair.Otherliquidsmayalsobeused,butcautionmustbeexercisediftheliquidbeingusedcausesexcessiveshrinkageorswellingofthesoilmatrix.Afullinvestigationhasnotbeenconductedregardingthecorrelationbetweensoilwatercharacteristiccurvesobtainedusingthismethodandsoilwatercharacteristicscurvesofin-placematerials.Thus,resultsobtainedfromthismethodshouldbeappliedtofieldsituationswithcautionandbyqualifiedpersonnel.Note18212;Thequalityoftheresultproducedbythisstandarddependsonthecompetenceofthepersonnelperformingthetestandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting,sampling,inspection,etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfensurereliableresults.Reliableresultsdependonmanyfactors.PracticeD3740providesameansofevaluatingsomeofthesefactors.1.1Thistestmethodcoversthedeterminationofsoilwatercharacteristiccurves(SWCCs)fordesorption(drying).SWCCsdescribetherelationshipbetweensuctionandvolumetricwatercontent,gravimetricwatercontent,ordegreeofwatersaturation.SWCCsarealsoreferredtoassoilwaterretentioncurves,soilwaterreleasecurves,orcapillarypressurecurves.1.2Thisstandarddescribesfivemethods(A-E)fordeterminingthesoilwatercharacteristiccurve.MethodA(hangingcolumn)issuitableformakingdeterminationsforsuctionsintherangeof0to80kPa.MethodB(pressurechamberwithvolumetricmeasurement)andMethodC(pressurechamberwithgravimetricmeasurement)aresuitableforsuctionsintherangeof0to1500kPa.MethodD(chilledmirrorhygrometer)issuitableformakingdeterminationsforsuctionsintherangeof500kPato100MPa.MethodE(centrifugemethod)issuitableformakingdeterminationsintherange0to120kPa.MethodAtypicallyisusedforcoarsesoilswithlittlefinesthatdrainreadily.MethodsBandCtypicallyareusedforfinersoilswhichretainwatermoretightly.MethodDisusedwhensuctionsnearsaturationarenotrequiredandcommonlyisemployedtodefinethedryendofthesoilwatercharacteristiccurve(thatis,watercontentscorrespondingtosuctions>1000kPa).MethodEistypicallyusedforcoarsersoilswhereanappreciableamountofwatercanbeextractedwithsuctionsupto120kPa.Themethodsmaybecombinedtoprovideadetaileddescriptionofthesoilwatercharacteristiccurve.Inthisapplication,MethodAorEisusedtodefinethesoilwatercharacteristiccurveatlowersuctions(0to80kPaforA,0to120kPaforE)nearsaturationandtoaccuratelyidentifytheairentrysuction,MethodBorCisusedtodefinethesoilwatercharacteristiccurveforintermediatewatercontentsandsuctions(100to1000kPa),andMethodDisusedtodefinethesoilwatercharacteristiccurvesatlowwatercontentsandhighersuctions(>1000kPa)and1.3AllobservedandcalculatedvaluesshallconformtotheguideforsignificantdigitsandroundingestablishedinPracticeD6026.TheproceduresinPracticeD6026......
【中国标准分类号】:B11
【国际标准分类号】:13_080_40
【页数】:20P.;A4
【正文语种】: