JB 2956.1-1985 烧结刚玉砂轮
时间:2024-05-25 10:25:23 来源: 标准资料网 作者:标准资料网 阅读:8312
基本信息
标准名称: | 烧结刚玉砂轮 |
中标分类: |
机械 >>
工艺装备 >>
磨料与磨具 |
替代情况: | 被JB/T 2956.1-99代替 |
发布日期: | |
实施日期: | 2003-10-01 |
首发日期: | |
作废日期: | 2000-01-01 |
出版日期: | |
页数: | 8页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 机械 工艺装备 磨料与磨具
【英文标准名称】:StandardSpecificationforAcetabularProstheses
【原文标准名称】:碟状体菌柄标准规范
【标准号】:ASTMF2091-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:
【英文主题词】:medicaltechnology;prostheticdevices;specification
【摘要】:
【中国标准分类号】:C04
【国际标准分类号】:11_040_40
【页数】:5P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforAcceleratedAgingofPressure-SensitiveTapes
【原文标准名称】:压敏带加速老化的标准实施规范
【标准号】:ASTMD3611-2006
【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】:D10.14
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:老化;办公室设备;包装件;包装;工艺;自粘的;窄条带材;试验
【英文主题词】:acceleratedaging;pressure-sensitivetape
【摘要】:Thispracticeacceleratesthenaturalagingofpressure-sensitivetapessothattheresponsetotheusualphysicalpropertytestschangestothesameextentaswithanexposuretoapproximatelytwoyearsofnaturalagingwhencomparedwiththeresponsetotestsbeforeaging.5.1.1Naturalaginginthiscontextmeansacontinuousperiodofagingoftapeinaclosedfibreboardcontainer(indarkness)inthevariableclimateofeitherthewarmmoistsouth,thewarmdrysouthwestorthemoderatemidcontinent,USA.Theextentofchangeforonephysicalpropertyshouldbeexpectedtobedifferentthanforanotherpropertyandsowouldalsorelatetodifferentnaturalagingtime.Anabnormalproductlotmaycausedifferencesintestingresponsethatthrowofftheexpectedtimepatterns.Appearanceofnormaltapeproductwillusuallychangeonlyslightlyontwoyearsnaturalaging.Thisacceleratedexposureusuallyproducesanexaggeratedchangeinappearancewhichwouldbeseenundernaturalconditionsonlyinabnormalproduct.Thereisnopresentexperiencetorelatethisacceleratedexposuretoresponsesoftapeinapplicationswherethetapeisunderausestress.1.1Thispracticeprovidesoneenvironmentinwhichtoexposefinishedpressure-sensitivetapematerialforthepurposeofacceleratingtheagingofit.Itisapplicabletotapeinrollformwhentheuserobservestheprecautionsdetailedwithintheprocedure.Thepracticedoesnotprovideforaconclusionwithinitself,butisforuseinconjunctionwithappearanceorphysicalpropertyteststofollowtheacceleratedexposure.Whilethispracticewasdevelopedusingpackagingtypetapes,itsuseonothertypesoftapewithsimilarconstructionisencouraged.Itisnotintendedforuseonelectricalgradetapes(seeTestMethodsD1000).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A80
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】: