DIN 15578-3-1978 穿孔电影胶片与磁带的长度测量.第2部分:1-120秒放映时间与胶片长度的换算表
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【英文标准名称】:Length-measuringofperforatedmotion-picturefilmsandmagnetictapes;tablesofrunningtimes1to120mininrelationtofilmlength
【原文标准名称】:穿孔电影胶片与磁带的长度测量.第2部分:1-120秒放映时间与胶片长度的换算表
【标准号】:DIN15578-3-1978
【标准状态】:现行
【国别】:德国
【发布日期】:1978-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:公差;频率;交付使用;电视;磁带;尺寸;电影胶片;长度;换算(计量单位);时间;道速;测量;线性测量
【英文主题词】:Commissioning;Conversion(unitsofmeasurement);Dimensions;Frequencies;Length;Linearmeasurement;Magnetictapes;Measurement;Motion-picturefilm;Television;Time;Tolerances(measurement);Trackspeed
【摘要】:Length-measuringofperforatedmotion-picturefilmsandmagnetictapes;tablesofrunningtimes1to120mininrelationtofilmlength.Mesurementdelalongueurdesfilmsperforésetdesrubansmagnétiques;tableauxdestempsdedéroulementendépendanc
【中国标准分类号】:N40
【国际标准分类号】:33_160_30;37_060_20
【页数】:9P;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforPlanningtheSamplingoftheAmbientAtmosphere
【原文标准名称】:制定外围大气的取样计划的标准操作规程
【标准号】:ASTMD1357-1995(2005)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D22.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:职业安全;抽样方法;空气质量;计划;规范(验收);环境;保健
【英文主题词】:ambientatmospheres;sampling
【摘要】:Sincetheanalysisoftheatmosphereisinfluencedbyphenomenainwhichallfactorsexceptthemethodofsamplingandanalyticalprocedurearebeyondthecontroloftheinvestigator,statisticalconsiderationmustbegiventodeterminetheadequacyofthenumberofsamplesobtained,thelengthoftimethatthesamplingprogramiscarriedout,andthenumberofsitessampled.Thepurposeofthesamplingandthecharacteristicsofthecontaminanttobemeasuredwillhaveaninfluenceindeterminingthisadequacy.Regular,orifpossible,continuousmeasurementsofthecontaminantwithsimultaneouspertinentmeteorologicalobservationsshouldbeobtainedduringallseasonsoftheyear.Statisticaltechniquesmaythenbeappliedtodeterminetheinfluenceofthemeteorologicalvariablesontheconcentrationsmeasured(2).Statisticalmethodsmaybeusedfortheinterpretationofallofthedataavailable(2).Trendsofpatternsandrelationshipsbetweenvariablesofstatisticalsignificancemaybedetected.Muchofthevalidityoftheresultswilldepend,however,onthecomprehensivenessoftheanalysisandthelocationandcontaminantmeasured.Forexample,if24-hsamplesofsuspendedparticulatematterareobtainedonlyperiodically(forexample,every6or8daysthroughouttheyear),thegeometricmeanofthemeasuredconcentrationsisrepresentativeofthemedianvalueassumingthedataarelognormallydistributed.Thegeometricmeanlevelmaybeusedtocomparetheairqualityatdifferentlocationsatwhichsuchregularbutintermittentobservationsofsuspendedparticulatematteraremade.1.1Thepurposeofthispracticeistopresentthebroadconceptsofsamplingtheambientairfortheconcentrationsofcontaminants.Detailedproceduresarenotdiscussed.Generalprinciplesinplanningasamplingprogramaregivenincludingguidelinesfortheselectionofsitesandthelocationoftheairsamplinginlet.1.2Investigationsofatmosphericcontaminantsinvolvethestudyofaheterogeneousmassunderuncontrolledconditions.Interpretationofthedataderivedfromtheairsamplingprogrammustoftenbebasedonthestatisticaltheoryofprobability.Extremecaremustbeobservedtoobtainmeasurementsoverasufficientlengthoftimetoobtainresultsthatmaybeconsideredrepresentative.1.3Thevariablesthatmayaffectthecontaminantconcentrationsaretheatmosphericstability(temperature-heightprofile),turbulence,windspeedanddirection,solarradiation,precipitation,topography,emissionrates,chemicalreactionratesfortheirformationanddecomposition,andthephysicalandchemicalpropertiesofthecontaminant.Toobtainconcentrationsofgaseouscontaminantsintermsofweightperunitvolume,theambienttemperatureandatmosphericpressureatthelocationsampledmustbeknown.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z11
【国际标准分类号】:13_040_20
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:StandardSpecificationforFullyProcessedMagneticLaminationSteel
【原文标准名称】:全处理的磁性夹层钢的标准规范
【标准号】:ASTMA840-2006
【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】:A06.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:冷轧的;钢
【英文主题词】:carbonsteelsheet;cold-rolledlaminationsteel;cold-rolledmagneticlaminationsteel;fullyprocessed;laminationsteel;magneticlaminationsteel
【摘要】:1.1Thisspecificationcoverscold-rolledcarbonsteelcoilsorstripusedinthefullyprocessedconditioninmagneticlaminationapplications.1.2Thissteelisproducedtospecifiedmaximumcore-lossvaluesandisintendedprimarilyforcommer
【中国标准分类号】:H46
【国际标准分类号】:77_140_50
【页数】:4P.;A4
【正文语种】:
