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【英文标准名称】:Low-voltageswitchgearandcontrolgear-Part4-3:Contactorsandmotor-starters-ACsemiconductorcontrollersandcontactorsfornon-motorloads(IEC60947-4-3:1999+A1:2006+A2:2011);GermanversionEN60947-4-3:2000+A1:2006+A2:2011
【原文标准名称】:低压开关设备和控制设备.第4-3部分:接触器和电动机起动器.非电动机负载用交流半导体控制器和接触器
【标准号】:DINEN60947-4-3-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-03-01
【实施或试行日期】:2012-03-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Abilitytoswitch;Alternatingcurrent;Alternatingvoltages;Applications;Auxiliarycontactors;Characteristics;Classification;Classificationsystems;Contactors;Controldevices;Criterion;Definitions;Degreeofsharpness;Electricload;Electricstarters;Electricalengineering;Electromagneticcompatibility;Electromechanical;Electronic;Electronicengineering;EMC;Frequencies;Handlings;Inscription;Inserts;Inspection;Installations;Instructionsforuse;Interferencerejections;Interferingemissions;Letterings;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Maintenance;Marking;Motorstarters;Operatinginstructions;Operation;Overloadprotection;Productinformation;Properties;Radiation;Semiconductorcontactors;Semiconductordevices;Set-upinstructions;Short-circuitprotection;Shutdown;Specification(approval);Starters;Switchgear;Take-off;Testing
【摘要】:
【中国标准分类号】:K30
【国际标准分类号】:29_130_20
【页数】:92P;A4
【正文语种】:德语


【英文标准名称】:Plastics—Aromaticisocyanatesforuseintheproductionofpolyurethanes—Determinationoftheisomerratiointoluenediisocyanate
【原文标准名称】:塑料.聚氨酯生产中使用的芳族异氰酸酯.甲苯二异氰酸酯中同分异构体比率的测定
【标准号】:ISO15064-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-12-01
【实施或试行日期】:2010-12-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Aromaticcompounds;Definitions;Determination;Isocyanates;Isomer;Plastics;Polyurethane;Testing;Toluylenediisocyanate
【摘要】:WARNING—PersonsusingthisInternationalStandardshouldbefamiliarwithnormallaboratorypractice.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtoensurecompliancewithanynationalregulatoryconditionspriortouse.ThisInternationalStandardspecifiesmethodsforthemeasurementoftoluene-2,6-diisocyanateinmixturesofthe2,4-and2,6-isomers.Twomethodsbasedoninfraredspectroscopyarerequiredtogiveaccurateresultsoverabroadrangeofisomerconcentrations.MethodAisapplicabletoTDIsamplescontaining5%to95%ofthe2,6-isomer.MethodBisapplicabletoTDIsamplescontaining0%to5%ofthe2,6-isomer.Bothmethodsarebasedonthequantitativemeasurementofabsorptionbandsarisingfromout-of-planeC?Hdeformationvibrationsofthearomaticringat810cm?1and782cm?1(12,3μmand13,8μm).
【中国标准分类号】:
【国际标准分类号】:83_080_10
【页数】:16P.;A4
【正文语种】:英语