Product Code:SAE AS39029/115
Title:Contacts, Electrical Connector, Pin, Crimp Removable, Coaxial, Size 12.75 OHM (For MTL-DTL-38999 SEries I, II, III and IV Connectors)
Issuing Committee:Ae-8c1 Connectors Committee
Scope: This project will create new 12ga, 75ohm coax contacts, one pin and one socket, for MIL-DTL-38999 connectors. This contact pair was requested by AS-1 for use in the new High Speed 1760 standard.
Rationale: This project will create new 12ga, 75ohm coax contacts, one pin and one socket, for MIL-DTL-38999 connectors. This contact pair was requested by AS-1 for use in the new High Speed 1760 standard.【英文标准名称】:StandardGuideforSelectionofKrigingMethodsinGeostatisticalSiteInvestigations
【原文标准名称】:地质现场调查中可里格法选择的标准指南
【标准号】:ASTMD5923-1996(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D18.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:estimation;geostatistics;kriging;simulation;Krigingmethods;Siteidentification/investigation/selection;Geostatisticalsiteinvestigation;Geologicalinvestigations
【摘要】:Thisguideisintendedtoencourageconsistencyandthoroughnessintheapplicationofkrigingmethodstoenvironmental,geotechnical,andhydrogeologicalsiteinvestigations.Thisguidemaybeusedtoassistthoseperformingakrigingstudyorasanexplanationofproceduresforqualifiednonparticipantsthatmaybereviewingorauditingthestudy.Thisguideencouragestheuseofsite-specificinformationfortheselectionofanappropriatekrigingmethod;however,thequalityofdata,thesamplingdensity,andsitecoveragecannotbeimprovedorcompensatedbyanychoiceofkrigingmethod.Thisguidedescribesconditionsforwhichkrigingorparticularkrigingmethodsarerecommended.However,thesemethodsarenotnecessarilyinappropriateifthestatedconditionsarenotencountered.ThisguideshouldbeusedinconjunctionwithGuidesD5549,D5922,andD5924.1.1Thisguidecoversrecommendationsforselectingappropriatekrigingmethodsbasedonstudyobjectives,exploratorydataanalysis,andanalysisofspatialvariation.1.2Thisguideconsiderscommonlyusedformsofkriging,includingordinarykriging,simplekriging,lognormalkriging,universalkriging,andindicatorkriging.Multivariate,space-time,andotherless-frequentlyusedkrigingmethodsarenotdiscussed;however,thisisnotintendedtoreflectanyjudgementastothevalidityofthesemethods.1.3Thisguidedescribesconditionsforwhichkrigingmethodsarenotappropriateandforwhichgeostatisticalsimulationsapproachesshouldbeused.1.4Thisguidedoesnotdiscussnon-geostatisticalalternativestokriging,suchassplinesorinverse-distancetechniques.1.5Thisguidedoesnotdiscussthebasicprinciplesofkriging.IntroductionstogeostatisticsandkrigingmaybefoundinnumeroustextsincludingRefs(1-3).AreviewofkrigingmethodsisgiveninRef.(4).1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.7Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Thewordx201C;Standardx201D;inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:P13
【国际标准分类号】:07_060
【页数】:4P.;A4
【正文语种】:英语