【英文标准名称】:Numericallycontrolledwoodworkingmachines--Markingsymbolsforoperations
【原文标准名称】:数控木材加工机械.操作标记符号
【标准号】:JISB6571-1992
【标准状态】:现行
【国别】:日本
【发布日期】:1992-07-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonIndustrialMachinery
【标准类型】:()
【标准水平】:()
【中文主题词】:木工机械;作标记;名称与符号;图形符号;工艺规范;数值控制
【英文主题词】:numericalcontrol;woodworkingmachines;graphicsymbols;designations;marking;processspecification
【摘要】:この規格は,数値制御木工機械の操作及び操作に関連する物事を表示するのに用いる記号,並びにその定義について規定する。
【中国标准分类号】:J65
【国际标准分类号】:01_080_20;25_040_20;79_120_10
【页数】:28P;A4
【正文语种】:日语


【英文标准名称】:StandardTestMethodforMoistureandResidueinLiquidChlorine
【原文标准名称】:液氯中水和残渣的试验方法
【标准号】:ASTME410-1998(2003)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:E15.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:残留物;试验;氯;潮气;化合物;剩余试验
【英文主题词】:analysis;chlorine;gravimetric;moisture;residue;water
【摘要】:Thistestmethodprovidesforthedeterminationofmoistureandresidueinliquidchlorine.Theconcentrationlevelsoftheseimpuritiesareimportantfactorsinmanycommercialusesofliquidchlorine.1.1Thistestmethodcoversthedeterminationofmoistureandresidueinliquidchlorine.Lowerlimitsofdetectionof10ppm(w/w)basedona150mLsampleareachievable.1.2Thistestmethoddescribesoperationsandspecialapparatusforsamplingliquidchlorinefromcylinders.Samplingothercommercialfacilitiessuchastankcars,barges,andstoragetanksrequirespecialtechniquesofmanipulationinfillingsamplecylindersfortesting.Ifconditionsandfacilitiesarefavorable,theanalysisapparatusmaybeconnecteddirectlytotheselargerstorageandtransportationunitsandon-the-spottestsmaybecompleted.1.3Theanalyticalmethodsareempiricalandaregravimetric.Theyareapplicabletothedeterminationoftheresidueandmoisturecontentofcommercialgradesofliquidchlorine(condensedgaseousproduct).1.4Residueisdefinedasbeingthosesubstanceswhichremaininthesampleflaskaftersamplevolatilizationundertheconditionsofthetest.Moistureisdefinedasthevolatilesubstancesevolvedduringvolatilizationandpurgingofthesample-residueflaskandabsorbedonthedesiccantcontainedintheabsorptiontubesundertheconditionsofthetest.Someofthevolatilechlorinatedhydrocarbonsmayalsobeevolvedfromthesampleresidueflaskduringpurgeandabsorbed,thuscontributingtotheapparentmoistureanalysisvalue.1.5Thistestmethodmaybeusedfordeterminingthemoisturecontentonlyofgaseouschlorineifsuitableandappropriatemodificationsaremadeforsamplemeasurementandcalculation.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Themetricequivalentsofinch-poundunitsmaybeapproximate.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection7.
【中国标准分类号】:A43
【国际标准分类号】:71_060_10
【页数】:5P.;A4
【正文语种】: