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ZB J 87022-1990 印刷机械产品包装通用技术条件

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基本信息
标准名称:印刷机械产品包装通用技术条件
中标分类: 机械 >> 通用机械与设备 >> 印刷机械
发布日期:
实施日期:1991-01-01
首发日期:
作废日期:
出版日期:
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所属分类: 机械 通用机械与设备 印刷机械
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforBrittlenessTemperatureofPlasticSheetingbyImpact
【原文标准名称】:用冲击法测定塑料薄板的脆化温度的标准试验方法
【标准号】:ASTMD1790-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;试验
【英文主题词】:brittlenesstemperature;cold-cracktemperature;impact;plasticsheeting;
【摘要】:Dataobtainedbythistestmethodmaybeusedtopredictthebehaviorofplasticsheetingatlowtemperaturesonlyiftheconditionsofdeformationaresimilartothosespecifiedinthistestmethod.Thistestmethodisusefulforspecificationtestingandforcomparativepurposes,butdoesnotnecessarilymeasurethelowesttemperatureatwhichtheplasticsheetingmaybeused.Ithasbeendemonstratedthatoncalenderedsheetingthebrittlenesstemperatureissensitivetothedirectionoffold.Ithasalsobeendemonstratedthatthebrittlenesstemperatureissensitivetothedirectionofsampling.Therefore,itisimperativethattheprocedurefortakingspecimensandfoldingbefollowedexplicitly.1.1Thistestmethodcoversthedeterminationofthattemperatureatwhichplasticsheeting1.00mm(0.040in.)orlessinthicknessexhibitsabrittlefailureunderspecifiedimpactconditions.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Note18212;ThistestmethodwasdevelopedjointlywiththeSocietyofthePlasticsIndustry,primarilyforusewithplasticizedvinylsheetings.Itsapplicabilitytootherplasticsheetingsmustbeverifiedbytheuser.1.3Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninNote4.Note38212;ThistestmethodissimilartoISO8570-1991intitleonly.Thetechnicalcontentissignificantlydifferent.
【中国标准分类号】:G33
【国际标准分类号】:83_140_10
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Electromagneticcompatibility(EMC)-Part4-8:Testingandmeasurementtechniques;Powerfrequencymagneticfieldimmunitytest
【原文标准名称】:电磁兼容性.第4-8部分:试验和测量方法.电源频率磁场抗扰试验
【标准号】:IEC61000-4-8Edition1.1-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-03
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC77B
【标准类型】:()
【标准水平】:()
【中文主题词】:电磁试验;抗扰性;电磁兼容性;测量技术;磁场测量;电气工程;定义;定义
【英文主题词】:Definitions;Electricalengineering;Electromagneticcompatibility;Electromagnetictests;EMC;Immunity;Magneticfieldmeasurement;Measuringtechniques
【摘要】:Thisinternationalstandardrelatestotheimmunityrequirementsofequipment,onlyunderoperationalconditions,tomagneticdisturbancesatpowerfrequencyrelatedto:-residentialandcommerciallocations;-industrialinstallationsandpowerplants;-mediumvoltageandhighvoltagesub-stations.Theapplicabilityofthisstandardtoequipmentinstalledindifferentlocationsisdeterminedbythepresenceofthephenomenon,asspecifiedinclause3.Thisstandarddoesnotconsiderdisturbancesduetocapacitiveorinductivecouplingincablesorotherpartsofthefieldinstallation.OtherIECstandardsdealingwithconducteddisturbancescovertheseaspects.Theobjectofthisstandardistoestablishacommonandreproduciblebasisforevaluatingtheperformanceofelectricalandelectronicequipmentforhousehold,commercialandindustrialapplicationswhensubjectedtomagneticfieldsatpowerfrequency(continuousandshortdurationfield).Thestandarddefines:-recommendedtestlevels;-testequipment;-testset-up;-testprocedure.Otherkindsofmagneticfieldswouldbeobjectofstandardization:-fieldsatotherpowerfrequencies(162/3-20or30-400Hz);-fieldsofharmoniccurrents(100Hzto2000Hz);-fieldsofhigherfrequencies(upto150kHz,e.g.formainssignallingsystems);-D.C.fields.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:31P.;A4
【正文语种】:英语