NF P72-301-1983 隔墙或覆面用光滑砌面天然石膏板
作者:标准资料网 时间:2024-05-04 17:04:59 浏览:9539
来源:标准资料网
【英文标准名称】:Smoothfacednaturalplastertilesforpartitionsorfacings.
【原文标准名称】:隔墙或覆面用光滑砌面天然石膏板
【标准号】:NFP72-301-1983
【标准状态】:作废
【国别】:法国
【发布日期】:1983-12-01
【实施或试行日期】:1983-12-30
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;材料的物理性质;尺寸公差;隔墙;验收试验;质量(物质);外观;规范;验收检验;几何特性;特性;平整度;抗弯强度;pH值;交付;灰泥板;物理性能;化学性质;材料强度;作标记;名称与符号;几何;硬度
【英文主题词】:
【摘要】:
【中国标准分类号】:Q62
【国际标准分类号】:91_100_10
【页数】:8P;A4
【正文语种】:其他
【英文标准名称】:Anoscopes
【原文标准名称】:肛门镜
【标准号】:JIST4403-1953
【标准状态】:作废
【国别】:日本
【发布日期】:1953-04-13
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonMedicalEquipment
【标准类型】:()
【标准水平】:()
【中文主题词】:医疗检查;医疗器械;注射器械;躯体系统和器官;窥器;医疗设备;临床检查器械
【英文主题词】:bodysystemsandorgans;;;medicalequipment
【摘要】:
【中国标准分类号】:C40
【国际标准分类号】:11_040_55
【页数】:2P;A4
【正文语种】:日语
【英文标准名称】:Electricalapparatusforexplosivegasatmospheres-Classificationofhazardousareas
【原文标准名称】:爆炸性气体环境用电气设备.危险场所的分类
【标准号】:BSEN60079-10-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-04-24
【实施或试行日期】:2003-04-24
【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】:Explosiveatmospheres;Electricalequipment;Protectedelectricalequipment;Electricalsafety;Hazardousareasclassification(forelectricalequipment);Electricalinstallations;Ventilation;Flammableatmospheres;Classificationsystems;Mathematicalcalculati
【英文主题词】:Burninggases;Classification;Classificationofareas;Classificationsystems;Combustible;Dangerzones;Definitions;Detachments;Documentations;Electricappliances;Electricalengineering;Electricalequipment;Electricalinstallations;Electrically-operateddevices;Equipment;Explosionarea;Explosionhazard;Explosionprotection;Explosionsecurity;Explosion-proof;Explosive;Explosiveatmospheres;Explosives;Flammableatmospheres;Flammablematerials;Fuelgases;Gasatmosphere;Gases;Hazardousareasclassification(forelectricalequipment);Potentiallyexplosivematerials;Protectivemeasures;Reprocessing;Safety;Ventilation
【摘要】:ThispartofIEC60079isconcernedwiththeclassificationofhazardousareaswhereflammablegasorvapourrisksmayarise,inordertopermittheproperselectionandinstallationofapparatusforuseinsuchhazardousareas.Itisintendedtobeappliedwheretheremaybeariskofignitionduetothepresenceofflammablegasorvapour,mixedwithairundernormalatmosphericconditions(seenote2),butitdoesnotapplytoa)minessusceptibletofiredamp;b)theprocessingandmanufactureofexplosives;c)areaswhereariskmayariseduetothepresenceofignitabledustsorfibres;d)catastrophicfailureswhicharebeyondtheconceptofabnormalitydealtwithinthisstandard(seenote3);e)roomsusedformedicalpurposes;f)areaswherethepresenceofflammablemistmaygiverisetoanunpredictableriskandwhichrequirespecialconsideration(seenote5);g)domesticpremises.Thisstandarddoesnottakeintoaccounttheeffectsofconsequentialdamage.Definitionsandexplanationsoftermsaregiventogetherwiththemainprinciplesandproceduresrelatingtohazardousareaclassification.Fordetailedrecommendationsregardingtheextentofthehazardousareasinspecificindustriesorapplications,referencemaybemadetothecodesrelatingtothoseindustriesorapplications.NOTE1Forthepurposeofthisstandard,anareaisathree-dimensionalregionorspace.NOTE2Atmosphericconditionsincludevariationsaboveandbelowreferencelevelsof101,3kPa(1013mbar)and20℃(293K),providedthatthevariationshaveanegligibleeffectontheexplosionpropertiesoftheflammablematerials.NOTE3Catastrophicfailureinthiscontextisapplied,forexample,totheruptureofaprocessvesselorpipelineandeventsthatarenotpredictable.NOTE4Inanyprocessplant,irrespectiveofsize,theremaybenumeroussourcesofignitionapartfromthoseassociatedwithelectricalapparatus.Appropriateprecautionswillbenecessarytoensuresafetyinthiscontext.Thisstandardmaybeusedwithjudgementforotherignitionsources.NOTE5Mistsmayformorbepresentatthesametimeasflammablevapours.Thismayaffectthewayflammablematerialdispersesandtheextentofanyhazardousareas.Thestrictapplicationofareaclassificationforgasesandvapoursmaynotbeappropriatebecausetheflammabilitycharacteristicsofmistsarenotalwayspredictable.Whilstitcanbedifficulttodecideuponthetypeandextentofzones,thecriteriaapplicabletogasesandvapourswill,inmostcases,giveasaferesult.However,specialconsiderationshouldalwaysbegiventothedangerofignitionofflammablemists.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:62P;A4
【正文语种】:英语
