SJ 20585-1996 微波频率计通用规范
时间:2024-05-10 14:14:18 来源: 标准资料网 作者:标准资料网 阅读:8856
基本信息
标准名称: | 微波频率计通用规范 |
英文名称: | General specification for microwave frequency counter |
中标分类: |
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发布日期: | 1996-08-30 |
实施日期: | 1997-01-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 18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:
【英文标准名称】:StandardTestMethodforHeatAgingofAsbestosTextiles
【原文标准名称】:石棉织物热老化的标准试验方法
【标准号】:ASTMD1573/D1573M-1995(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:C17.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aging;asbestos;heat;heat-aging;tensile;textile
【摘要】:Thistestmethodcoverstheevaluationofasbestostextileswithregardto(1)qualityand(2)elevatedtemperatureserviceabilitycharacteristics.Sinceasbestostextilesareusuallycomposedofblendsofasbestoswithcottonorotherorganiccarrierfibers,thelatterbeingpresentinamountsupto25%,temperaturesabove150x00B0;C[300x00B0;F]willpromotethedegradationofthecottoncontentandwillreducethestructuralreinforcementderivedtherefrom.Inthehighergradeasbestostextiles,whereinlittleornocarrierfibersareusedandinwhichthelongerasbestosfibersarenecessaryifasatisfactoryyarnistobeproduced,thedegradationinstrengthresultingfromheat-agingupto540x00B0;C[1000x00B0;F]islow.Inthecaseofthelowergradeasbestostextiles,however,whereinamountsfrom15to25%carrierfibersareincorporated,asbestosfibershavingshorterlengthsmaybeutilized.Undertherelativelylowservicetemperaturestowhichsuchmaterialsmaybesubjected,neitherthecottonnortheclothpropertiesaregreatlyaffected.However,thestrength-impartinginfluenceofthecarrierfibersisreducedatelevatedtemperaturesandtheentwiningpropertiesoftheshorterasbestosfibersprimarilyservetoestablishtheresultanttensilestrengthandotherphysicalpropertiesofthetextile.Inviewofthis,elevatedtemperaturetestsmayservetoindicatetheasbestosfibergradeorqualitythatmaybeusedinatextileconstruction.Anotheruseandperhapsmorepracticalapplicationfortheinformationtobederivedfromelevatedtemperaturestudiesistherevelationoftheabilityofasubjecttextiletowithstandknownelevatedtemperatureserviceconditions.Itwillbeappreciatedthattemperaturealonemaynotbetheonlydegratoryinfluenceinthedestructionofsuchmaterials;however,undernormaloperatingconditions,hightemperaturesareusuallythedominatingfactorsinsuchdegradation.Theresultsobtainedthroughsuchinvestigationsthereforemaybeinterpretedintermsofelevatedtemperatureserviceability.1.1Thistestmethodcoverstheheatagingofasbestostextiles.Itmaybeusedtodeterminetheresistancetothedeteriorationoftensilestrengthattemperaturesupto450x00B0;C[800x00B0;F].1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Warningx2014;Breathingofasbestosdustishazardous.Asbestosandasbestosproductspresentdemonstratedhealthrisksforusersandforthosewithwhomtheycomeintocontact.Inadditiontootherprecautions,whenworkingwithasbestos-cementproducts,minimizethedustthatresults.Forinformationonthesafeuseofchrysoltileasbestos,refertox201C;SafeUseofChrysotileAsbestos:AManualonPreventiveandControlMeasures.x201D;1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetyhazard,see1.3.
【中国标准分类号】:Q61
【国际标准分类号】:59_060_30
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:Meansofpackaging-Roundwide-mouthedglasscontainers,withrecessedgrip
【原文标准名称】:包装用具.带凹槽柄的圆形大口玻璃容器
【标准号】:DIN5068-1998
【标准状态】:作废
【国别】:德国
【发布日期】:1998-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:玻璃;尺寸;玻璃器皿;槽形容器;容器;包装件;包装;材料;作标记;包装手段;圆形;广口玻璃容器
【英文主题词】:marking;glass;circularshape;packaging;packages;wide-mouthedglasscontainer;materials;dimensions;meansofpackaging;containers;troughs;glassware
【摘要】:
【中国标准分类号】:A82
【国际标准分类号】:55_100
【页数】:3P;A4
【正文语种】:德语