ISO 4939-1984 钢和铸铁镍含量的测定丁二酮肟分光光度法

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【英文标准名称】:StandardTestMethodforObjectiveMeasurementofSpeechPrivacyinOpenOfficesUsingArticulationIndex
【原文标准名称】:使用声音清晰度指数在敞开式办公室内对谈话保密性进行客观量度的标准试验方法
【标准号】:ASTME1130-2002e1
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:E33.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:建筑声学;办公室(室内);试验
【英文主题词】:architecturalacoustics;articulationindex;fieldtest;openoffice;openofficesystem;open-planspace;speechprivacy;systemtest;
【摘要】:1.1Thistestmethoddescribesameansofmeasuringspeechprivacyobjectivelybetweenlocationsinopenoffices.Thistestmethodreliesuponacousticalmeasurements,publishedinformationonspeechlevels,andstandardmethodsforassessingspeechcommunication.Thistestmethoddoesnotmeasuretheperformanceofindividualopenofficecomponentswhichaffectspeechprivacy;itmeasurestheprivacywhichresultsfromaparticularconfigurationofcomponents(1,2).1.2Thistestmethodisintendedtobeafieldtestforthemeasurementofspeechprivacyinactualopenoffices.However,thistestmethodcouldbeusedinanenvironmentarrangedtosimulateanopenoffice.1.3Thistestmethodcouldbeadaptedforuseinotheropenplanspacessuchasopenplanschools.Itcouldalsobeadaptedformeasuringthespeechprivacybetweenopenplanandenclosedspacesorbetweenfullyenclosedspaces.1.4ThistestmethodreliesupontheArticulationIndexwhichpredictstheintelligibilityofspeechforagroupoftalkersandlisteners.WhileboththeArticulationIndexandthistestmethodcanbeexpectedtoreliablypredictaveragespeechprivacy,neitherpredictsthespecificdegreeofspeechprivacyaffordedtoparticularopenofficeoccupants.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsinparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P31
【国际标准分类号】:17_140_01
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Fillerrodsforbrazewelding;Determinationofconventionalbondstrengthonsteel,castironandothermetals
【原文标准名称】:钎接焊的焊条.钢.铸铁和其他金属常规焊接强度的测定
【标准号】:ISO698-1975
【标准状态】:作废
【国别】:国际
【发布日期】:1975-06
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC44
【标准类型】:()
【标准水平】:()
【中文主题词】:焊接;试验;钢;金属;铜焊;填充金属;钎焊接;铸铁;粘结强度;粘合性
【英文主题词】:brazing;welding;tests;adhesivestrength;steels;cast-iron;metals;fillermetal;brazewelding;bondingstrength;testing;castiron;adhesiveness
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:3250;3235
【页数】:4P;A4
【正文语种】:英语