SAE J2912 Performance Requirements for R-134a and R-1234yf Refrigerant Diagnostic Identifiers for Use with Mobile Air Co
时间:2024-04-30 18:47:09 来源: 标准资料网 作者：标准资料网 阅读：8550
Product Code:SAE J2912
Title:Performance Requirements for R-134a and R-1234yf Refrigerant Diagnostic Identifiers for Use with Mobile Air Conditioning Systems
Issuing Committee:Interior Climate Control Service Committee
Scope:This SAE Standard applies to refrigerant identification equipment to be used for identifying refrigerant HFC-134a (R-134a) and/or HFO-1234yf (R-1234yf) refrigerant when servicing a mobile A/C system or for identifying refrigerant in a container to be used to charge a mobile A/C system. Identification or other refrigerants are the option of the equipment manufacturer, although it shall not misidentify refrigerants, per 3.2.
【英文标准名称】:SiliconinPetroleumLiquidsbyICP-OES
【原文标准名称】:用电感耦合等离子体发射光谱分析法(ICP-OES)测定石油液体中硅含量
【标准号】:ASTMUOP796-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:
【标准类型】:(UOP)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thismethodisforthedeterminationofsilicon(Si)inpetroleumliquidsusinganInductivelyCoupledPlasma-OpticalEmissionSpectrometer(ICP-OES).Silicon(Si)istypicallypresentinpetroleumliquidsassolubleorganicsilicones,butthemethodwillalsodetectotherformsofsilicon(Si)suchasthegenerallyinsolubleinorganicsilicon(Si)saltsandsilica.Themethodisprimarilyusedtoanalyzereformerchargestocksforsilicones,butmayalsobeusedforrefinerychargestocksasheavyasvacuumgasoil(VGO).Thelowerlimitofquantitionisapproximately1.0mg/kg(mass-ppm)assilicon(Si).Standardaddition,asdescribedintheAppendix,maybeusedtoverifytheresults.
【中国标准分类号】:
【国际标准分类号】:
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:Helmetsforfirefightinginbuildingsandotherstructures
【原文标准名称】:建筑和其它机构用防火头盔
【标准号】:BSEN443-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-03-31
【实施或试行日期】:2008-03-31
【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】:燃烧特性;舒适;定义;防护等级;电性能;设备;视野;消防队;消防;消防人员头盔;头盔;防护头盔;使用说明书;寿命;维修;作标记;处理;机械性能;职业安全;性能要求;探头;特性;防护服装;防护设备;耐力;安全工程;安全要求;头皮防护器;规范(验收);材料强度;试验设备;测试;热稳定性
【英文主题词】:Burningbehaviours;Comfort;Definition;Definitions;Degreesofprotection;Electricalproperties;Equipment;Fieldofvision;Firebrigade;Firefighting;Firemenshelmets;Helmets;Helmets(protective);Instructionsforuse;Life(durability);Maintenance;Marking;Mechanicalproperties;Occupationalsafety;Performancerequirements;Probe;Properties;Protectiveclothing;Protectiveequipment;Resistance;Safetyengineering;Safetyrequirements;Scalpprotectors;Specification(approval);Strengthofmaterials;Testequipment;Testing;Thermalstability
【摘要】:ThisEuropeanStandardspecifiesminimumrequirementsforfirefighters'helmetsprotectingtheupperheadmainlyagainsttheeffectsofimpact,penetrationandheatandflame,whilstfirefightinginbuildingsandotherstructures.
【中国标准分类号】:C85
【国际标准分类号】:13_340_20
【页数】:44P.;A4
【正文语种】:英语