DIN 7988-1953 十字槽沉头螺钉(目前采用的半圆头沉头形式)
时间:2024-05-17 16:09:34 来源: 标准资料网 作者：标准资料网 阅读：8270
【英文标准名称】:CrossRecessedRaisedCountersunk(Oval)HeadScrews(RaisedCountersunkHeadsofTypeHithertoUsed)
【原文标准名称】:十字槽沉头螺钉(目前采用的半圆头沉头形式)
【标准号】:DIN7988-1953
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodforBulkSolidsCharacterizationbyCarrIndices
【原文标准名称】:用承载指数对散装固体特性的标准试验方法
【标准号】:ASTMD6393-1999(2006)
【标准状态】:现行
【国别】:
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D18.24
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:差角;落角;抹刀角;承载指数;承载指数;承载过程;可分散性;动态体密度;松散体密度;包裹体密度;压缩性;内聚;休止角;同一
【英文主题词】:angleofdifference;angleoffall;angleofrepose;angleofspatula;Carrindex;Carrindices;Carrprocedures;cohesion;compressibility;dispersibility;dynamicbulkdensity;loosebulkdensity;packedbulkdensity;uniformity;
【摘要】:Thistestmethodprovidesmeasurementsthatcanbeusedtodescribethebulkpropertiesofapowderorgranularmaterial.Themeasurementscanbecombinedwithpracticalexperiencetoproviderelativerankingsofvariousformsofbulkhandlingbehaviorofpowdersandgranularmaterialsforaspecificapplication.1.1Thistestmethodcoverstheapparatusandproceduresformeasuringpropertiesofbulksolids,henceforthreferredtoasCarrIndices.1.2Thistestmethodissuitableforfreeflowingandmoderatelycohesivepowdersandgranularmaterialsupto2.0mminsize.Materialsmustbeabletopourthrougha7.0177;1.0-mmdiameterfunneloutletwheninanaeratedstate.1.3ThismethodconsistsofeightmeasurementsandtwocalculationstoprovidetentestsforCarrIndices.Eachindividualtestoracombinationofseveraltestscanbeusedtocharacterizethepropertiesofbulksolids.Thesetentestsareasfollows:1.3.1TestA8212;MeasurementofCarrAngleofRepose1.3.2TestB8212;MeasurementofCarrAngleofFall1.3.3TestC8212;CalculationofCarrAngleofDifference1.3.4TestD8212;MeasurementofCarrLooseBulkDensity1.3.5TestE8212;MeasurementofCarrPackedBulkDensity1.3.6TestF8212;CalculationofCarrCompressibility1.3.7TestG8212;MeasurementofCarrCohesion1.3.8TestH8212;MeasurementofCarrUniformity1.3.9TestI8212;MeasurementofCarrAngleofSpatula1.3.10TestJ8212;MeasurementofCarrDispersibility1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A80
【国际标准分类号】:19_120
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:Safetyoftoys—RepliestorequestsforinterpretationofEN71-1,EN71-2,andEN71-8
【原文标准名称】:玩具安全性.EN71-1、EN71-2和EN71-8要求说明的答复
【标准号】:BSPDCEN/TR15371-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThepurposeofthisCENTechnicalReportistoproviderepliestorequestsforinterpretationsofEN71-1:2005,Safetyoftoys–Part1:Mechanicalandphysicalproperties(includingamendmentsA1,A3,A4,A5andA6:2008)EN71-2:2006,Safetyoftoys–Part2:Flammability(includingamendmentA1:2007)EN71-8:2003,Safetyoftoys–Part8:Swings,slidesandsimilaractivitytoysforindoorandoutdoorfamilydomesticuse(includingamendmentA1:2006)
【中国标准分类号】:Y57
【国际标准分类号】:97_200_50
【页数】:28P.;A4
【正文语种】:英语