DIN 51921-1985 炭素材料检验.哇啉不溶解物质含量测定.粘接剂和浸渍剂
时间:2024-05-16 11:56:55 来源: 标准资料网 作者：标准资料网 阅读：8542
【英文标准名称】:Testingofcarbonmaterials;determinationofcontentofmatterinsolubleinquinoline;bindingandimpregnatingmaterials
【原文标准名称】:炭素材料检验.哇啉不溶解物质含量测定.粘接剂和浸渍剂
【标准号】:DIN51921-1985
【标准状态】:作废
【国别】:德国
【发布日期】:1985-12
【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】:非溶物质测定;定义;数学计算;试验;喹啉;煤焦油;碳;浸渍材料;焦油;硬沥青(石油产品);含量测定;化学分析和试验;碳素材料;粘合剂
【英文主题词】:insolublematterdetermination;carbonmaterials;chemicalanalysisandtesting;coaltar;definitions;binders;carbon;tars;mathematicalcalculations;determinationofcontent;bindingagents;quinoline;testi
【摘要】:
【中国标准分类号】:Q50
【国际标准分类号】:5590
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:WirelessManagementandSecurity-Part1:GeneralRequirements
【原文标准名称】:无线网络管理和安全.第1部分:一般要求
【标准号】:ANSIX9.112-1-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电路网络;元部件;控制;金融业务;功能;执行;工业;信息系统;信息技术;管理安全;网络;概述;射频;条例;风险;技术;无线的
【英文主题词】:Circuitnetworks;Components;Controls;Financialservices;Functions;Implementation;Industries;Informationsystems;Informationtechnology;Managementsecurity;Network;Overviews;Radiofrequencies;Regulations;Risk;Technology;Wireless
【摘要】:Intoday'sworld,bothprivate/publicsectorsdependuponinformationtechnologysystemstoperformessentialandmission-criticalfunctions.Privacyandregulatoryrequirementshighlightthisneed.Wirelesstechnologiesarerapidlyemergingassignificantcomponentsofthesenetworks.Part1ofthisStandardprovidesanoverviewofwirelessradiofrequency(RF)technologiesandgeneralrequirementsapplicabletoallwirelessimplementationsforthefinancialservicesindustry.SubsequentpartsofthisStandardwilladdressspecificapplicationsofwirelesstechnology,associatedrisks,aswellastechnologies,methodsandcontrolsthatmitigatethoserisks.
【中国标准分类号】:M11
【国际标准分类号】:35_110
【页数】:
【正文语种】:英语
【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