【英文标准名称】:Gasweldingequipment-Acetylenemanifoldsystemsforwelding,cuttingandalliedprocesses-Generalrequirements(ISO14114:1999);GermanversionENISO14114:1999
【原文标准名称】:气焊设备.焊接、切割和相关工艺用乙炔汇流系统一般要求
【标准号】:ENISO14114-1999
【标准状态】:现行
【国别】:
【发布日期】:1999-09
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:氧气切割;气焊;规范(验收);定义;安全装置;试验;安全;焊接设备;作标记
【英文主题词】:Acetylenegasbottles;Bottlebanks;Compressedgases;Cutting;Definition;Definitions;Equipmentsafety;Gascylinders;Gaswelding;Gas-weldingequipment;Marking;Oxygencutting;Performancetesting;Pressureregulators;Safety;Safetydevices;Specification(approval);Testing;Welding;Weldingequipment
【摘要】:
【中国标准分类号】:J64
【国际标准分类号】:25_160_30
【页数】:16P.;A4
【正文语种】:英语
基本信息
标准名称: | 端铣刀杆螺钉尺寸 |
中标分类: |
机械 >>
金属切削机床 >>
机床辅具与附件 |
替代情况: | 被JB/T 3411.126-99代替 |
发布日期: | |
实施日期: | 2001-10-01 |
首发日期: | |
作废日期: | 2000-01-01 |
出版日期: | |
页数: | 1页 |
适用范围
没有内容
前言
没有内容
目录
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引用标准
没有内容
所属分类: 机械 金属切削机床 机床辅具与附件
【英文标准名称】:StandardSpecificationforConcreteAggregates
【原文标准名称】:混凝土集料的标准规范
【标准号】:ASTMC33/C33M-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C09.20
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:aggregates;coarseaggregate;concreteaggregates;fineaggregate;Aggregate--specifications;Coarseaggregate--specifications;Concreteaggregates--specifications;Fineaggregate
【摘要】:1.1Thisspecificationdefinestherequirementsforgradingandqualityoffineandcoarseaggregate(otherthanlightweightorheavyweightaggregate)foruseinconcrete.1.2Thisspecificationisforusebyacontractor,concretesupplier,orotherpurchaseraspartofthepurchasedocumentdescribingthematerialtobefurnished.Note18212;Thisspecificationisregardedasadequatetoensuresatisfactorymaterialsformostconcrete.Itisrecognizedthat,forcertainworkorincertainregions,itmaybeeithermoreorlessrestrictivethanneeded.Forexample,whereaestheticsareimportant,morerestrictivelimitsmaybeconsideredregardingimpuritiesthatwouldstaintheconcretesurface.Thespecifiershouldascertainthataggregatesspecifiedareorcanbemadeavailableintheareaofthework,withregardtograding,physical,orchemicalproperties,orcombinationthereof.1.3Thisspecificationisalsoforuseinprojectspecificationstodefinethequalityofaggregate,thenominalmaximumsizeoftheaggregate,andotherspecificgradingrequirements.Thoseresponsibleforselectingtheproportionsfortheconcretemixtureshallhavetheresponsibilityofdeterminingtheproportionsoffineandcoarseaggregateandtheadditionofblendingaggregatesizesifrequiredorapproved.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thetextofthisstandardreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthisstandard.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:11P.;A4
【正文语种】:英语