BS 3727-22-1966 电子管用镍分析方法.第22部分:锌含量测定(原子吸收法)
时间:2024-05-05 04:17:02 来源: 标准资料网 作者：标准资料网 阅读：9778
【英文标准名称】:Methodsfortheanalysisofnickelforuseinelectronictubesandvalves-Determinationofzinc(atomicabsorptionmethod)
【原文标准名称】:电子管用镍分析方法.第22部分:锌含量测定(原子吸收法)
【标准号】:BS3727-22-1966
【标准状态】:现行
【国别】:英国
【发布日期】:1966-08-26
【实施或试行日期】:1966-08-26
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;原子吸收分光光度测定法;火焰光度测定法;电子管;化学分析和试验;分光光度法;光度测量法(化学分析);校准;锌;镍
【英文主题词】:flamephotometry;chemicalanalysisandtesting;zinc;spectrophotometry;electrontubes;photometry(chemicalanalysis);determinationofcontent;nickel;calibration;atomicabsorptionspectrophotometry
【摘要】:CO-OPERATINGORGANIZATIONSINTRODUCTIONAPPARATUSSOLUTIONSREQUIREDSAMPLINGCALIBRATIONPROCEDURE
【中国标准分类号】:L90
【国际标准分类号】:77_120_40
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:TreeCareOperations-Tree,ShrubandOtherWoodyPlantMaintenance-StandardPractices
【原文标准名称】:树木养护作业.乔木、灌木和其木本植物的维护.标准规程
【标准号】:ANSIA300Part1-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001-04-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:树木栽培;;定义;定义;林业;园艺;;修枝剪刀;灌木;树木培植;;乔木
【英文主题词】:Arboriculture;Cultivationoperations;Definition;Definitions;Forestry;Gardening;Protectionoftrees;Pruningshears;Shrubs;Treeculture;Treecutting;Trees(plants)
【摘要】:Providesstandarddefinitionsfortreecaremaintenance;performancestandardsfortreepruningoperations;performancestandardsforutilitylineclearance;andperformancestandardsforwritingtreepruningspecifications.Thisstandardwaslistedfor
【中国标准分类号】:B64
【国际标准分类号】:65_060_40
【页数】:
【正文语种】:英语
【英文标准名称】:StandardPracticeforInstallingCorrugatedAluminumStructuralPlatePipeforCulvertsandSewers
【原文标准名称】:涵洞和下水道用波纹铝结构板材制管道安装标准实施规程
【标准号】:ASTMB789/B789M-1999(2005)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:B07.08
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aluminumpipe;culvert;installation-underground;sewers;structuralplatepipe
【摘要】:Corrugatedaluminumstructuralplatepipefunctionsstructurallyasaflexibleringthatissupportedbyandinteractswiththecompactedsurroundingsoil.Thesoilplacedaroundthestructureisthusanintegralpartofthestructuralsystem.Itisthereforeimportanttoensurethatthesoilstructureismadeupoftheacceptablematerialandwell-constructed.FieldverificationofsoilstructureacceptabilityusingTestMethodsD1556,D2167,D2922,orD2937,asapplicable,andcomparingtheresultswithTestMethodsD698orD1557,inaccordancewiththespecificationsforeachproject,isthemostreliablebasisforinstallationofanacceptablestructure.Therequireddensityandmethodofmeasurementarenotspecifiedbythispracticebutmustbeestablishedinthespecificationsforeachproject.1.1Thispracticecoversprocedures,soils,andsoilplacementfortheproperinstallationofcorrugatedaluminumstructuralplateculvertsandsewersineithertrenchorembankmentinstallations.Atypicaltrenchinstallationisshownin,andatypicalembankment(projection)installationisshownin.Structuralplatestructuresasdescribedhereinarethosestructuresfactoryfabricatedinplateformandboltedtogetheronsitetoprovidetherequiredshape,size,andlengthofstructure.ThispracticeappliestostructuresdesignedinaccordancewithPracticeB790/B790M.1.2Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P94
【国际标准分类号】:91_140_80
【页数】:5P.;A4
【正文语种】:英语