基本信息
标准名称: | 印制板镀层附着力试验方法 胶带法 |
英文名称: | Test methods of plating adhesion by adhesive type for printed boards |
中标分类: |
电子元器件与信息技术 >>
电子元件 >>
印制电路 |
ICS分类: |
电子学 >>
印制电路和印制电路板
|
替代情况: | 被GB/T 4677-2002代替 |
发布日期: | 1984-07-25 |
实施日期: | 1985-05-01 |
首发日期: | 1900-01-01 |
作废日期: | 2003-04-01 |
起草单位: | 电子部734厂 |
出版日期: | 1900-01-01 |
页数: | 1页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 电子元器件与信息技术 电子元件 印制电路 电子学 印制电路和印制电路板
【英文标准名称】:StandardGuideforUsingtheSeismic-ReflectionMethodforShallowSubsurfaceInvestigation
【原文标准名称】:用地震反射法的浅地下勘测的标准指南
【标准号】:ASTMD7128-2005(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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;near-surface;seismicreflection;surfacegeophysics;Subsurfaceinvestigations;Seismic-reflectionmethod
【摘要】:Concepts:Thisguidesummarizesthebasicequipment,fieldprocedures,andinterpretationmethodsusedfordetecting,delineating,ormappingshallowsubsurfacefeaturesandrelativechangesinlayergeometryorstratigraphyusingtheseismic-reflectionmethod.Commonapplicationsofthemethodincludemappingthetopofbedrock,delineatingbedorlayergeometries,identifyingchangesinsubsurfacematerialproperties,detectingvoidsorfracturezones,mappingfaults,definingthetopofthewatertable,mappingconfininglayers,andestimatingofelastic-wavevelocityinsubsurfacematerials.PersonnelrequirementsareasdiscussedinPracticeD3740.Subsurfacemeasurementsusingtheseismic-reflectionmethodrequireaseismicsource,multipleseismicsensors,multi-channelseismograph,andappropriateconnections(radioorhardwire)betweeneach(Fig.1,alsoshowingoptionalroll-alongswitch).Seismicwavesgeneratedbyacontrolledseismicenergysourcepropagateintheformofmechanicalenergy(particlemotion)fromthesourcethroughthegroundorairtoseismicsensorswheretheparticle(ground)motionisconvertedtoelectricalvoltageandtransmittedtotheseismograph.Seismicenergytravelsawayfromthesourceboththroughthegroundandair.Intheground,theenergytravelsasanelasticwave,withcompressionalwaves(Eq1)andshearwaves(Eq2)movingawayfromthesourceinahemisphericalpattern,andsurfacewavespropagatingawayinacircularpatternonthegroundsurface.1.1PurposeandApplication:1.1.1Thisguidesummarizesthetechnique,equipment,fieldprocedures,dataprocessing,andinterpretationmethodsfortheassessmentofshallowsubsurfaceconditionsusingtheseismic-reflectionmethod.1.1.2Seismicreflectionmeasurementsasdescribedinthisguideareapplicableinmappingshallowsubsurfaceconditionsforvarioususesincludinggeologic(1),geotechnical,hydrogeologic(2),andenvironmental(3).Theseismic-reflectionmethodisusedtomap,detect,anddelineategeologicconditionsincludingthebedrocksurface,confininglayers(aquitards),faults,lithologicstratigraphy,voids,watertable,fracturesystems,andlayergeometry(folds).Theprimaryapplicationoftheseismic-reflectionmethodisthemappingoflateralcontinuityoflithologicunitsand,ingeneral,detectionofchangeinacousticpropertiesinthesubsurface.
【中国标准分类号】:P13
【国际标准分类号】:07_060
【页数】:25P.;A4
【正文语种】:英语