ANSI/ABMA/ISO 10285-1992 套筒式往复球式直线运动滚柱滚柱轴承.米制
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【英文标准名称】:RollingBearings,LinearMotion,RecirculatingBall,SleeveType–MetricSeries
【原文标准名称】:套筒式往复球式直线运动滚柱滚柱轴承.米制
【标准号】:ANSI/ABMA/ISO10285-1992
【标准状态】:现行
【国别】:美国
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ABMA(ASCB3)
【标准类型】:()
【标准水平】:()
【中文主题词】:轴承;滚柱轴承;精密度;滚珠轴承;米制的
【英文主题词】:Ballbearings;Bearings;CGSsystem;Definition;Definitions;Dimensionaltolerances;Dimensions;Linear;Linearmotionrecirculatingbearings;Metric;Overalldimensions;Precision;Rollerbearings;Rollingbearings;Tolerances(measurement)
【摘要】:Specifiesthegeneralboundarydimensions,tolerancesanddefinitionsforlinearmotion,recirculatingball,sleeve-typerollingbearingsofthemetricseries.
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:
【正文语种】:英语
【英文标准名称】:Explosiveatmospheres-Part29-2:Gasdetectors-Selection,installation,useandmaintenanceofdetectorsforflammablegasesandoxygen
【原文标准名称】:爆炸性气体环境.第29-2部分:气体探测器.易燃气体和氧用探测器的选择、安装、使用和维护
【标准号】:BSEN60079-29-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2008-02-29
【实施或试行日期】:2008-02-29
【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】:分析仪;燃烧气体;浓缩;团料;定义;检测;检波器(回路);电器;电气设备;电气工程;电驱动装置;防爆;爆炸安全;爆炸性环境;防火安全;可燃性环境;易燃材料;气体浓度;气体检测器;气体测量仪器;混合气体;气敏元件;指导手册;工业;装置;维修;测量;测量仪器;操作;氧;缺氧;参数;便携的;潜在爆炸物;特性;安全工程;安全要求;选择;传感器;规范(验收);火焰表面传播;试验设备;测试;贸易;蒸气压力;蒸气
【英文主题词】:Analyzers;Burninggases;Concentration;Conglomerates;Definition;Definitions;Detection;Detectors(circuits);Electricappliances;Electricalappliances;Electricalengineering;Electrically-operateddevices;Explosionprotection;Explosionsecurity;Explosiveatmospheres;Firesafety;Flammableatmospheres;Flammablematerials;Gasconcentrations;Gasdetectors;Gasmeasuringinstruments;Gasmixtures;Gassensors;Guidebooks;Industries;Installations;Maintenance;Measurement;Measuringinstruments;Operation;Oxygen;Oxygendeficiency;Parameters;Portable;Potentiallyexplosivematerials;Properties;Safetyengineering;Safetyrequirements;Selection;Sensors;Specification(approval);Surfacespreadofflame;Testequipment;Testing;Trade;Vapourpressure;Vapours
【摘要】:ThispartofIEC60079-29givesguidanceon,andrecommendedpracticefor,theselection,installation,safeuseandmaintenanceofelectricallyoperatedgroupIIapparatusintendedforuseinindustrialandcommercialsafetyapplicationsforthedetectionandmeasurementofflammablegasescomplyingwiththerequirementsofIEC60079-29-1.Thisstandardisapplicableforoxygenmeasurementforthepurposeofinertisationwhereexplosionprotectionisprovidedbytheexclusionofoxygeninsteadofmeasuringthecombustiblegasesorvapourspresent.Thisstandardisacompilationofpracticalknowledgetoassisttheuser,andappliestoapparatus,instrumentsandsystemsthatindicatethepresenceofaflammableorpotentiallyexplosivemixtureofgasorvapourwithairbyusinganelectricalsignalfromagassensortoproduceameterreading,toactivateavisualoraudiblepre-setalarmorotherdevice,oranycombinationofthese.Suchapparatusmaybeusedasameansofreducingtheriskwheneverthereisthepossibilityofarisktolifeorpropertyspecificallyduetotheaccumulationofacombustiblegas-airmixture,byprovidingsuchwarnings.Itmayalsobeusedtoinitiatespecificsafetyprecautions(e.g.plantshutdown,evacuation,fireextinguishingprocedures).Thisstandardisapplicabletoallnewpermanentinstallationsand,wherereasonablypracticable,toexistingpermanentinstallations.Itisalsoapplicabletotemporaryinstallations,whetherneworexisting.Similarlyitisapplicabletothesafeuseofportableortransportableapparatus,irrespectiveoftheageorcomplexityofsuchapparatus.Sincemuchmodernapparatusofthistypealsoincludesoxygendeficiencydetectionand/orspecifictoxicgassensors,someadditionalguidanceisgivenforthesetopics.NOTEWheninclassifiedareas,theapparatusshouldbesoinstalledandusedthatitisnotcapableofitselfignitingacombustiblegas-airmixture.ItshouldthereforecomplywiththerequirementsofIEC60079-10.Forthepurposesofthisstandard,exceptwherespecificallystatedotherwise,flammablegasesshallincludeflammablevapours.ThisstandardappliesonlytogroupIIapparatus(i.e.apparatusintendedforuseinindustrialandcommercialsafetyapplications,involvingareasclassifiedinaccordancewithIEC60079-10).Forthepurposesofthisstandard,apparatusincludesa)fixedapparatus;b)transportableapparatus;andc)portableapparatus.Thisstandardisnotintendedtocover,butmayprovideusefulinformation,forthefollowing:a)apparatusintendedonlyforthedetectionofnon-flammabletoxicgases;b)apparatusoflaboratoryorscientifictypeintendedonlyforanalysisormeasurementpurposes;c)apparatusintendedforundergroundminingapplications(groupIapparatus);d)apparatusintendedonlyforprocesscontrolapplications;e)apparatusintendedforapplicationsinexplosivesprocessingandmanufacture;f)apparatusintendedforthedetectionofapotentiallyflammableatmosphereresultingfromdustormistinair;g)openpathapparatusnotusedforpointmeasurement.
【中国标准分类号】:C81
【国际标准分类号】:13_320;29_260_20
【页数】:106P.;A4
【正文语种】:英语
【英文标准名称】:Glassinbuilding-Basicsodalimesilicateglassproducts-Part3:polishedwireglass.
【原文标准名称】:建筑用玻璃.基本钠钙玻璃产品.第3部分:抛光嵌丝玻璃
【标准号】:NFP78-104-2004
【标准状态】:现行
【国别】:法国
【发布日期】:2004-12-01
【实施或试行日期】:2004-12-31
【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】:玻璃的;玻璃制品;建筑物用玻璃;缺陷与故障;钙钠玻璃;玻璃;窗玻璃;嵌丝玻璃;基底材料;石英玻璃;尺寸;反射率;质量要求;测量技术;浮法玻璃;定义;材料试验;尺寸公差;名称与符号;验收(鉴定);建筑;质量;规范(验收)
【英文主题词】:
【摘要】:
【中国标准分类号】:Q33
【国际标准分类号】:81_040_20
【页数】:11P;A4
【正文语种】:其他
