YDN 017-1996 高速无线电寻呼网技术体制(暂行规定)
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来源:标准资料网
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基本信息
标准名称: | 高速无线电寻呼网技术体制(暂行规定) |
中标分类: | 通信、广播 >> 通信网 >> 通信网技术体制 |
发布日期: | 1996-01-01 |
实施日期: | 1999-03-01 |
首发日期: | |
作废日期: | 2009-12-01 |
起草单位: | 邮电部电信传输研究所 |
出版日期: | |
页数: | 29页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 通信 广播 通信网 通信网技术体制
下载地址: 点击此处下载
基本信息
标准名称: | 修井用游车大钩 |
中标分类: | 石油 >> 石油勘探、开发、集输设备 >> 石油钻采设备与仪器 |
替代情况: | SY 5208-87;被SY/T 5208-2000代替 |
发布日期: | |
实施日期: | 1992-05-01 |
首发日期: | |
作废日期: | 2001-06-01 |
出版日期: | |
页数: | 7页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
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所属分类: 石油 石油勘探 开发 集输设备 石油钻采设备与仪器
【英文标准名称】:StandardGuideforDisplayingResultsofChemicalAnalysesofGroundWaterforMajorIonsandTraceElements-DiagramsBasedonDataAnalyticalCalculations【原文标准名称】:基于数据分析计算的痕量元素示意图和主要离子的地下水化学分析结果表示的标准指南
【标准号】:ASTMD5877-1995(2005)
【标准状态】:现行
【国别】:
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:水分析图解;地下水质量;化学离子;图形表示;化学分析;地下水;统计分析
【英文主题词】:Chemicalanalysis;chemicalions;graphicaldisplay;groundwater;groundwaterquality;statisticalanalysis;water-analysisdiagram
【摘要】:1.1Thisguidecoversmethodsthatgraphicallydisplaychemicalanalysesofmultipleground-watersamples,discretevaluesandalsothosereducedtocomprehensivesummariesorparameters.Detailsrequiredbytheinvestigatortofullyusethemethodsarefoundinthelistedreferences.Themethodsincludedinthisguidearemanyofthegraphicalproceduresthatwerenotdiscussedintwopreviousguides,GuidesD5738andD5754.Note18212;Thegraphicmethodsinthisguideapplytobothrawandtransformeddata,forexample,unalteredmedians,maximums,andminimumsandtransformedmeans,square-roots,frequencydistributions,andsoforth.Themethodsareoftencomputationalintensive,requiringtheuseofadigitalcomputer.Somegraphicalmethodsillustratetheresultsofthestatisticalanalysisofasampledataset.Forexample,boxplotsaregraphicalportrayalsofthemaximum,minimum,median,25thpercentile,and75thpercentileofonevariable,suchasthechlorideionfromagroupofchemicalanalyses.Besideschemicalcomponents,othervariablesthatmaybeplottedtoshowaninterdependencewithwaterchemistryincludetime,distance,andtemperature.1.2Thisguideondiagramsbasedondataanalyticalcalculationsisthethirdofseveraldocumentstoinformthehydrologistsandgeochemistsabouttraditionalgraphicalmethodsfordisplayingground-waterchemicaldata.Note28212;Theinitialguidedescribedthecategoryofwater-analysisdiagramsthatusetwo-dimensionaltrilineargraphstodisplay,onasinglediagram,thecommonchemicalcomponentsfromtwoormoreanalysesofnaturalgroundwater.1.2.1Thesecondguidedescribedthecategoryofwater-analysisdiagramsthatusepatternandpictorialmethodsasabasisfordisplayingeachoftheindividualchemicalcomponentsdeterminedfromtheanalysisofasinglesampleofnaturalgroundwater.1.3Thisguidepresentsacompilationofdiagramsthatallowsfortransformationofnumericaldataintovisual,usableforms.Itisnotaguidetoselectionoruse.Thatchoiceisprogramorprojectspecific.1.4Manygraphictechniqueshavebeendevelopedbyinvestigatorstoillustratetheresultsofthedataanalyticalcomputationstoassistinsummarizingandinterpretingrelateddatasets.Inthisguide,selectedgraphicalmethodsareillustratedusingground-waterchemistrydata.1.5Thebasicororiginalformatofeachofthegraphicaltechniquesgiveninthisguidehasbeenmodifiedinseveralways,largelydependinguponthedataanalyticaltechniquesusedbytheinvestigators.Severalminormodificationsarementioned,somesignificantrevisionsarediscussedinmoredetail.1.6Notationshavebeenincorporatedwithinmanydiagramsillustratedinthisguidetoassistthereaderinunderstandinghowthediagramsareconstructed.Thesenotationswouldnotberequiredonadiagramdesignedforinclusioninaprojectdocument.Note38212;UseoftradenamesinthisguideisforidentificationpurposesonlyanddoesnotconstituteendorsementbyASTM.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.8Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smany......
【中国标准分类号】:D14
【国际标准分类号】:
【页数】:19P.;A4
【正文语种】: