DIN 11860-1954 乳品机械.压力接头用钩形扳手
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【英文标准名称】:Dairyingmachines;hookspannersforcompressionfittings
【原文标准名称】:乳品机械.压力接头用钩形扳手
【标准号】:DIN11860-1954
【标准状态】:作废
【国别】:德国
【发布日期】:1954-03
【实施或试行日期】:
【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】:奶牛饲养业;质量(物质);钩形扳手;旋具;材料;压合接头;管;可锻铸铁;钢;扳手
【英文主题词】:Compressionfittings;Dairyfarming;Hookspanners;Malleablecast-iron;Mass;Materials;Pipes;Screwdrivers;Steels;Wrenches
【摘要】:
【中国标准分类号】:X99;J47
【国际标准分类号】:25_140_30
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMeasuringtheInsulationResistanceofMineral-Insulated,Metal-SheathedThermocouplesandThermocoupleCableatRoomTemperature
【原文标准名称】:测量室温时绝缘矿物、铠装金属热电偶和热电偶电缆绝缘电阻的标准试验方法
【标准号】:ASTME780-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E20.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:环境温度;绝缘电阻;材料;测量技术;温度测量;热电偶
【英文主题词】:insulationresistance;mineral-insulated,metal-sheathedthermocouplecableinsulationresistance;mineral-insulated,metal-sheathedthermocoupleinsulationresistance
【摘要】:Thermocouplesfabricatedfromthermocouplecablethathasbeencontaminatedbymoistureorbyotherimpuritiesmayundergolargechangesinthermoelectricpropertiesormayfailcatastrophicallywhenexposedtohightemperatures.Sincesuchcontaminationusuallylowerstheelectricalresistancebetweenthethermoelementsandthesheathsubstantially,measurementoftheinsulationresistancecanprovideavaluablecheckofinsulationqualityandcleanliness,andcanserveasabasisforrejectionofunsuitablematerialandunreliablecomponents.Formanufacturersinparticular,lowelectricalinsulationresistancecanalsobeindicativeofdisplacedthermoelementsordefectsinthemetalsheathwhichwillrequirefurtherinvestigation,butallusersshouldbeawareofthesepotentialdefectswhenfacedwithanunacceptableinsulationresistancemeasurement.Thistestmethodisprimarilyintendedforusebymanufacturersandusersofmineral-insulated,metal-sheathedthermocouplesorthermocouplecablestoverifythatmeasuredvaluesofinsulationresistanceexceedspecifiedminimumvalues,suchasthoselistedinSpecificationsE235,E585/E585M,E608/E608M,andE2181/E2181M.Manufacturersandusersshouldbeaware,however,thatwhentheinsulationresistanceisgreaterthan1x00D7;108x2126;,disagreementbyanorderofmagnitudeintheresultsobtainedwiththistestmethodisnotunusual.Inaddition,usersofthistestmethodshouldappreciatethattheroomtemperatureinsulationresistanceofboththermocouplecablesandoffinishedthermocouplesmaychangeduringshipment,storage,anduse,particularlyiftheendsealsaredamagedordefective.Consequently,valuesofinsulationresistancedeterminedbythistestmethodmaynotnecessarilyberepeatable.1.1Thistestmethodprovidestheproceduresformeasuringtheroomtemperatureelectricalinsulationresistancebetweenthethermoelements,andbetweenthethermoelementsandthesheath,ofamineral-insulated,metal-sheathedthermocoupleorthermocouplecable.Itmaybeusedtomeasuretheinsulationresistanceofbulklengthsofthermocouplecablepreviouslysealedagainstmoistureintrusionortotestathermocouplehavinganungroundedclass2junction.Thismethodcannotbeusedtotestathermocouplehavingagroundedclass1junctionunlessthejunctionisremovedpriortotesting,afterwhichthethermocouplemaybedealtwithinthesamemannerasathermocouplecable.1.2ThistestmethodappliesprimarilytothermocouplecablesconformingtoSpecificationsE585/E585MandE2181/E2181MandtothermocouplesconformingtoSpecificationsE608/E608MandE2181/E2181M,butmayalsobeappliedtothermocouplesorthermocouplecablesthataresuitableforuseinair,whosesheathorthermoelementsarecomprisedofrefractorymetals,thataretestedinadryandchemicallyinertenvironment,andthatmayemploycompactedceramicinsulatingmaterialsotherthanmagnesia(MgO)oralumina(Al2O3).Usersofthistestmethodshouldnotethatspecificationsdealingwithcompactedceramicinsulatingmaterialsotherthanmagnesiaoralumina,whicharedescribedinSpecificationE1652,arenotcurrentlyavailable.Asaresult,acceptancecriteriamustbeagreeduponbetweenthecustomerandsupplieratthetimeofpurchase,oralternatively,judgmentandexperiencemustbeappliedinestablishingtestvoltagelevelsandacceptableinsulationresistancevaluesforthesetypesofthermocouplesandthermocouplecables.1.3Thistestmethodmaybeusedforthermocouplesorthermocouplecableshavinganoutsidediameterof0.5mm(0.020in)orlarger.1.4Usersofthistestmethodshouldbeawarethattheroomtemperaturei......
【中国标准分类号】:K15
【国际标准分类号】:17_200_20
【页数】:5P.;A4
【正文语种】:
基本信息
标准名称: | 单粒(精密)播种机试验方法 |
英文名称: | Testing methods of single seed drills(precision drills) |
中标分类: |
农业、林业 >>
农、林机械与设备 >>
农机具 |
ICS分类: |
农业 >>
农业机械、工具和设备 >>
播种和种植设备
|
替代情况: | 替代GB/T 6973-1986 |
发布部门: | 中华人民共和国国家质量监督检验检疫总局 中国家标准化管理委员会 |
发布日期: | 2005-10-24 |
实施日期: | 2006-05-01 |
首发日期: | 1986-11-01 |
作废日期: | 1900-01-01 |
主管部门: | 中国机械工业联合会 |
提出单位: | 中国机械工业联合会 |
归口单位: | 全国农业机械标准化技术委员会 |
起草单位: | 中国农机院、山东华日总公司 |
起草人: | 杨兆文、刘星福、李问盈 |
出版社: | 中国标准出版社 |
出版日期: | 2006-05-01 |
页数: | 16开, 页数:20, 字数:35千字 |
计划单号: | 20021054-T-604 |
适用范围
本标准规定了单粒(精密)播种试验方法。
前言
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引用标准
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所属分类: 农业 林业 农 林机械与设备 农机具 农业 农业机械 工具和设备 播种和种植设备