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DIN EN 60835-2-5-1995 数字微波无线电传输系统设备的测量方法.第2部分:地面无线电中继系统.第5节:数字信号处理子系统

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【英文标准名称】:Methodsofmeasurementforequipmentusedindigitalmicrowaveradiotransmissionsystems-Part2:Measurementonterrestrialradiorelay-systems-Section5:Digitalsignalprocessingsub-system(IEC60835-2-5:1993);GermanversionEN60835-2-5:1995
【原文标准名称】:数字微波无线电传输系统设备的测量方法.第2部分:地面无线电中继系统.第5节:数字信号处理子系统
【标准号】:DINEN60835-2-5-1995
【标准状态】:现行
【国别】:德国
【发布日期】:1995-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电信;数字工程;子系统;微波链路;无线电中继系统;信号处理;传播技术;无线电电路;传输系统;陆地的;电气工程;测量技术;无线电装置;数字信号;无线电工程;额定值
【英文主题词】:Communicationtechnology;Digitalengineering;Digitalsignals;Electricalengineering;Measuringtechniques;Microwavelinks;Radiocircuits;Radioengineering;Radioequipment;Radioplants;Radiosystems;Radio-relaysystems;Ratings;Signalprocessing;Subsystems;Telecommunication;Terrestrial;Transmissionsystems
【摘要】:Thisdocumentdealswithmethodsofmeasurementfordigitalsignalprocessingsub-systemsforterrestrialradio-relaysystems.
【中国标准分类号】:M34
【国际标准分类号】:33_060_30
【页数】:13P.;A4
【正文语种】:德语


基本信息
标准名称:陶瓷材料抗压强度试验方法
英文名称:STANDARD test method for compressive resistance of ceramic materials
中标分类: 轻工、文化与生活用品 >> 日用玻璃、陶瓷、搪瓷、塑料制品 >> 日用陶瓷制品
ICS分类: 玻璃和陶瓷工业 >> 陶瓷 >> 陶瓷制品
替代情况:GB/T 4740-1984
发布部门:国家质量技术监督局
发布日期:1999-08-12
实施日期:2000-02-01
首发日期:1984-11-02
作废日期:1900-01-01
主管部门:中国轻工业联合会
提出单位:国家轻工业局
归口单位:中国轻工业联合会
起草单位:中国轻工总会陶瓷研究所
起草人:张侃、徐莉华、程塾贤
出版社:中国标准出版社
出版日期:2000-02-01
页数:平装16开, 页数:3, 字数:4千字
适用范围

本标准规定了在室温下,陶瓷烧结材料抗压强度的试验设备、试样、试验步骤、结果计算及数据处理。本标准适用于烧结后陶瓷材料及辅助材料。

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所属分类: 轻工 文化与生活用品 日用玻璃 陶瓷 搪瓷 塑料制品 日用陶瓷制品 玻璃和陶瓷工业 陶瓷 陶瓷制品
【英文标准名称】:StandardGuideforUseofTestKitstoMeasureInorganicConstituentsinWater
【原文标准名称】:水中无机成分测量用整套试验工具使用的标准指南
【标准号】:ASTMD5463-2008
【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】:D19.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:inorganicanalysis;kits;testkits;wastewater;water;Analytes;Chemicalanalysis--waterapplications;Inorganicchemicalanalysis--water;Inorganiccompounds--water;Quantitativeanalysis/measurement--water;Testingmethods--water;Wastewatertest
【摘要】:Inorganicconstituentsinwaterandwastewatermustbeidentifiedandmeasuredtosupporteffectivewaterqualitymonitoringandcontrolprograms.Currently,oneofthesimplest,mostpracticalandcosteffectivemeansofaccomplishingthisisthroughtheuseofchemicaltestkitsandrefills.AmoredetaileddiscussionispresentedinASTMSTP1102.Testkitshavebeenacceptedformanyapplications,includingroutinemonitoring,compliancereporting,rapidscreening,troubleinvestigation,andtrackingcontaminantsource.Testkitsoffertime-savingadvantagestotheuser.Theyareparticularlyappropriateforfielduseandusuallyareeasytouse.Usersdonotneedtohaveahighleveloftechnicalexpertise.Relativelyunskilledstaffcanbetrainedtomakeaccuratedeterminationsusingkitsthatincludeapremixedliquidreagent,premeasuredreagent(tablets,powders,orglassampoules),andpremeasuredsample(evacuatedglassampoules).1.1Thisguidecoversgeneralconsiderationsfortheuseoftestkitsforquantitativedeterminationofanalytesinwaterandwastewater.Testkitsareavailablefromvariousmanufacturersforthedeterminationofawidevarietyofanalytesindrinkingwater,surfaceorgroundwaters,domesticandindustrialfeedwatersandwastes,andwaterusedinpowergenerationandsteamraising.SeeTable1foralistingofsomeofthetypesofkitsthatareavailableforvariousinorganicanalytesinwater.1.2Ranges,detectionlimits,sensitivity,accuracy,andsusceptibilitytointerferencesvaryfromkittokit,dependingonthemethodologyselectedbythemanufacturer.Insomecases,kitsaredesignedtoreplicateexactlyanofficialtestmethodofastandard-settingorganizationsuchastheAssociationofOfficialAnalyticalChemists(AOAC),AmericanPublicHealthAssociation(APHA),ASTM,ortheU.S.EnvironmentalProtectionAgency(USEPA).Inothercases,minormodificationsofofficialtestmethodsaremadeforvariousreasons,suchastoimproveperformance,operatorconvenience,oreaseofuse.Adjustmentsmaybemadetosamplesize,reagentvolumesandconcentrations,timing,anddetailsoftheanalyticalfinish.Inyetothercases,majorchangesmaybemadetotheofficialtestmethod,suchastheomissionofanalyticalsteps,changeoftheanalyticalfinish,omissionofreagents,orsubstitutionofonereagentforanother.Reagentsintestkitsareoftencombinedtoobtainafewernumberandmakethetesteasiertouse.Additivesmayalsobeusedtominimizeinterferencesandtomakethereagentmorestablewithtime.Akittestmethodmaybebasedonacompletelydifferenttechnology,notapprovedbyanyofficialorstandard-settingorganization.Combinationsoftestkitsx2014;multi-parametertestkitsx2014;maybepackagedtosatisfytherequirementsofaparticularapplicationconveniently.Thetestkitsinsuchcombinationproductsmaybeusedtomakedozensofdeterminationsofseveralparameters.1.3Testkitreagentrefillsarecommonlyavailablefrommanufacturers.Refillspermitcostsavingsthroughreuseofthemajortestkitcomponents.1.4Becauseofthewidedifferencesamongkitsandmethodologiesfordifferentanalytes,universalinstructionscannotbeprovided.Instead,theusershouldfollowtheinstructionsprovidedbythemanufacturerofaparticularkit.1.5Atestkitorkitcomponentshouldnotbeusedafterthemanufacturer''sexpirationdate;itistheuser''sresponsibilitytodeterminethattheperformanceissatisfactory.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafet......
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:5P.;A4
【正文语种】:英语