您的位置: 标准下载 » 国际标准 » BS 英国标准 »

BS EN 60068-2-2-2007 环境测试.试验.试验B:干热

时间:2024-05-23 21:01:34 来源: 标准资料网 作者:标准资料网 阅读:8076
下载地址: 点击此处下载
【英文标准名称】:Environmentaltesting-Tests-TestB.Dryheat
【原文标准名称】:环境测试.试验.试验B:干热
【标准号】:BSEN60068-2-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-10-31
【实施或试行日期】:2007-10-31
【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】:保用期服务;空气循环;温度变化;检验设备;气候试验;部件;锐度;识别标志;烘干;干热;干热试验;电气工程;电气设备;电学;环境;环境条件;环境测试;发热的;最终测量;热学;初始测量;材料测试;不发热的;预处理;样品;应力;应力时间;表面;温度;温度试验;试验环境;试验室;测试;热试验;热测试
【英文主题词】:Aftercare;Aircirculation;Changesoftemperature;Checkingequipment;Climatictests;Components;Definitions;Degreeofsharpness;Distinguishingsigns;Dry;Dryheat;Dry-heattests;Electricalengineering;Electricalequipment;Electricity;Environment;Environmentalconditions;Environmentaltesting;Exothermic;Finalmeasurements;Heat;Initialmeasurements;Materialstesting;Nomogram;Notexothermic;Pretreatment;Specimens;Stress;Stresstime;Surfaces;Temperature;Temperaturetest;Testatmospheres;Testchamber;Testing;Testingdevices;Thermaltest;Thermaltesting
【摘要】:Thisstandarddealswithdryheattestsapplicablebothtoheat-dissipatingandnonheatdissipatingspecimens.Fornonheat-dissipatingspecimens,TestsBbandBddonotdeviateessentiallyfromearlierissues.Theobjectofthedryheattestislimitedtothedeterminationoftheabilityofcomponents,equipmentorotherarticlestobeused,transportedorstoredathightemperature.Thesedryheattestsdonotenabletheabilityofspecimenstowithstandoroperateduringthetemperaturevariationstobeassessed.Inthiscase,itwouldbenecessarytouseIEC60068-2-14TestN:Changeoftemperature.Thedryheattestsaresubdividedasfollows:Dryheattestfornonheat-dissipatingspecimens–withgradualchangeoftemperature,Bb.Dryheattestsforheat-dissipatingspecimens–withgradualchangeoftemperature,Bd;–withgradualchangeoftemperature,specimenpoweredthroughout,Be.Theproceduresgiveninthisstandardarenormallyintendedforspecimensthatachievetemperaturestabilityduringtheperformanceofthetestprocedure.
【中国标准分类号】:K04;A21
【国际标准分类号】:19_040
【页数】:18P.;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforReflected-LightPhotomicrography
【原文标准名称】:反射光显微摄影标准指南
【标准号】:ASTME883-1999
【标准状态】:作废
【国别】:美国
【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】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:显微摄影;金属;试验;指导手册;金相学
【英文主题词】:photomicrography;metallography;guidebooks;testing;metals
【摘要】:
【中国标准分类号】:A15
【国际标准分类号】:37_080
【页数】:16P;A4
【正文语种】:英语


MIL-L-6730C (NOTICE 2), MILITARY SPECIFICATION: LIGHTING EQUIPMENT, EXTERIOR, AIRCRAFT (GENERAL REQUIREMENTS FOR) (14 SEP 1981) [MIL-L-006730C USED IN LIEU OF MIL-L-6730] [NO S/S DOCUMENT]., Military Specification MIL-L-006730C(AS), dated 17 May 1971, is hereby reinstated and may be used for acquisition.