DIN 27205-2-2004 铁路车辆的状况.制动器.第2部分:盘式制动器机械部分

上一篇: DIN 8129-2004 自动轨道衡.计量与技术要求、试验
下一篇: DIN VDE 0119-207-8-2004 铁路车辆状况.控制和测量技术.第207-8部分:车上设备.GNT(倾斜火车的过速控制)

【英文标准名称】:StandardGuideforUsingtheSeismicRefractionMethodforSubsurfaceInvestigation
【原文标准名称】:地下勘探用震波折射法的标准导则
【标准号】:ASTMD5777-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:geophysics;refraction;seismicrefraction;surfacegeophysics
【摘要】:1.1PurposeandApplicationThisguidecoverstheequipment,fieldprocedures,andinterpretationmethodsfortheassessmentofsubsurfaceconditionsusingtheseismicrefractionmethod.Seismicrefractionmeasurementsasdescribedinthisguideareapplicableinmappingsubsurfaceconditionsforvarioususesincludinggeologic,geotechnical,hydrologic,environmental(),mineralexploration,petroleumexploration,andarchaeologicalinvestigations.Theseismicrefractionmethodisusedtomapgeologicconditionsincludingdepthtobedrock,ortowatertable,stratigraphy,lithology,structure,andfracturesorallofthese.Thecalculatedseismicwavevelocityisrelatedtomechanicalmaterialproperties.Therefore,characterizationofthematerial(typeofrock,degreeofweathering,andrippability)ismadeonthebasisofseismicvelocityandothergeologicinformation.1.2Limitations1.2.1Thisguideprovidesanoverviewoftheseismicrefractionmethodusingcompressional(P)waves.Itdoesnotaddressthedetailsoftheseismicrefractiontheory,fieldprocedures,orinterpretationofthedata.Numerousreferencesareincludedforthatpurposeandareconsideredanessentialpartofthisguide.ItisrecommendedthattheuseroftheseismicrefractionmethodbefamiliarwiththerelevantmaterialinthisguideandthereferencescitedinthetextandwithappropriateASTMstandardscitedin.1.2.2Thisguideislimitedtothecommonlyusedapproachtoseismicrefractionmeasurementsmadeonland.Theseismicrefractionmethodcanbeadaptedforanumberofspecialuses,onland,withinaboreholeandonwater.However,adiscussionoftheseotheradaptationsofseismicrefractionmeasurementsisnotincludedinthisguide.1.2.3Therearecertaincasesinwhichshearwavesneedtobemeasuredtosatisfyprojectrequirements.Themeasurementofseismicshearwavesisasubsetofseismicrefraction.ThisguideisnotintendedtoincludethistopicandfocusesonlyonPwavemeasurements.1.2.4Theapproachessuggestedinthisguidefortheseismicrefractionmethodarecommonlyused,widelyaccepted,andproven;however,otherapproachesormodificationstotheseismicrefractionmethodthataretechnicallysoundmaybesubstituted.1.2.5TechnicallimitationsandinterferencesoftheseismicrefractionmethodarediscussedinD420,D653,D2845,D4428,D5088,D5730,D5753,D6235,andD6429.1.3Precautions1.3.1Itistheresponsibilityoftheuserofthisguidetofollowanyprecautionswithintheequipmentmanufacturer''srecommendations,establishappropriatehealthandsafetypractices,andconsiderthesafetyandregulatoryimplicationswhenexplosivesareused.1.3.2Ifthemethodisappliedatsiteswithhazardousmaterials,operations,orequipment,itistheresponsibilityoftheuserofthisguidetoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofanyregulationspriortouse.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.Thisguideisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisguidemeansonlythat......
【中国标准分类号】:D04
【国际标准分类号】:13_080_01
【页数】:14P.;A4
【正文语种】:

标准名称：	黄瓜主要病害抗病性鉴定技术规程 第6部分：黄瓜抗细菌性角斑病鉴定技术规程
发布部门：	中华人民共和国农业部
发布日期：	2010-05-20
实施日期：	2010-09-01
首发日期：
作废日期：
出版社：	中国农业出版社
出版日期：	2010-09-01

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