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ASTM F21-1965(2007) 用雾化试验器作疏水表面薄膜的试验方法

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【英文标准名称】:StandardTestMethodforHydrophobicSurfaceFilmsbytheAtomizerTest
【原文标准名称】:用雾化试验器作疏水表面薄膜的试验方法
【标准号】:ASTMF21-1965(2007)
【标准状态】:现行
【国别】:
【发布日期】:1965
【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】:E21.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电子工程;影片;表面;层;雾化器;疏水材料;试验
【英文主题词】:atomizertest;contamination-semiconductors;film-electricalconductors;hydrophobicsurfacefilms;detectionofhydrophobicorganiccontaminantsonsurfacefilms,surfaceanalysis-electroniccomponents/devices;water-filmtest(fordetectinghydrophob
【摘要】:Theatomizertestasdescribedinthistestmethodisnondestructiveandmaybeusedforcontrolandevaluationofprocessesfortheremovalofhydrophobiccontaminants.Thetestmayalsobeusedforthedetectionandcontrolofhydrophobiccontaminantsinprocessingambients.Forthisapplication,asurfacefreeofhydrophobicfilmsisexposedtotheambientandsubsequentlytested.41.1Thistestmethodcoversthedetectionofthepresenceofhydrophobic(nonwetting)filmsonsurfacesandthepresenceofhydrophobicorganicmaterialsinprocessingambients.Whenproperlyconducted,thetestwillenabledetectionoffractionalmolecularlayersofhydrophobicorganiccontaminants.Onveryroughorporoussurfacesthesensitivityofthetestmaybesignificantlydecreased.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G51
【国际标准分类号】:25_220_20
【页数】:5P.;A4
【正文语种】:


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【英文标准名称】:StandardGuideforConceptualizationandCharacterizationofGround-WaterSystems
【原文标准名称】:地下水系统概念化和特性化的标准指南
【标准号】:ASTMD5979-1996(2008)
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:characterization;conceptualization;groundwater;ground-watermodeling;ground-watersystems;Characteristics/characterization;Conceptualsitemodel(CSM);Ground-watermodel
【摘要】:Conceptualizationandcharacterizationofaground-watersystemisfundamentaltoanyqualitativeorquantitativeanalysis.Thisconceptualizationbeginswithsimpleabstractionsintheinvestigator''smind,emphasizingthemajorcomponentsofthestudiedsystem,thatcanberenderedinqualitativetermsorsimpleillustrations.Theextentoffurtherdevelopmentoftherepresentationofthesystemdependsonthecharacteroftheground-waterproblemandtheprojectobjective.Theabstractconceptmaysuffice,oritmaybefurtherdefinedandquantifiedthroughuseofanalyticalmodelsofincreasingcomplexity,and,insomecases,numericalmodelsmaybeemployed.Ifnumericalmodelsareused,thelevelofdetailandsophisticationoffeaturesrepresentedinthemodelislikelytoincreaseastheprojectdevelops.Evolutionofconceptualizationofaground-waterflowsystemshouldbeterminatedwhentheresultsoftherelatedanalysesaresufficientfortheproblembeingaddressed.Thisguidemaybeusedinthefollowing:Evaluatingnaturalvariationsinground-waterflowsystems.Evaluatinganthropogenicstressesonground-waterflowsystems,suchaspumpingforwatersupply,irrigation,inducedinfiltration,orwellinjection.Evaluatingpresenceandvelocityofground-watercontaminants.Designingandselectingmathematicalmodelstosimulateground-watersystems;andcompletingmodelschematizationandattributionbasedontheproblemdefined,characterizedground-waterflowsystem,andmodel(s)selected.Designingground-waterremediationsystems.Thisguideisaflexibledescriptionofspecifictechniquesandinvestigationrequirements;methodsdefinedbyotherASTMStandardsornon-ASTMtechniquesmaybeappropriateinsomecircumstancesand,afterdueconsideration,someofthetechniqueshereinmaybeomitted,altered,orenhanced.Acomprehensivelistofitemstobeconsideredconceptualizationandcharacterizationareincludedinthemainheadings(Sections6through13)andfirstsubheadings(forexample,7.1and8.1).Inkarstandfracturedrockhydrogeologicsettings,thisguideshouldbeusedinconjunctionwithGuideD5717.Themethodsandamountofeffortrequiredforconceptualization,characterization,andquantificationofground-watersystemsformodelingorotherapplicationswillvarywithsiteconditions,objectivesofinvestigation,andinvestigatorexperience.Thisguidedoesnotreplaceproperacademictrainingandexperienceinhydrogeologicprinciples,oringround-watersystemanalysisandquantification.Thisguidedoesnotsetmandatoryguidelinesanddoesnotconstitutealistofnecessarystepsorproceduresforallinvestigations.Thisguidemaybeusedforprojectplanninganddatacollection,butdoesnotprovidespecificaspectsforfieldcharacterizationtechniques.RefertoTableX1.1inGuideD5730,PracticeD5254,andRefs(2,3,4,and5)forfurtherguidanceregardingfieldcharacterizationtechniques.Thisguidemaybeusedtogeneratethenecessaryinformationaspartoftheprocessformodelselection,design,andasinputtomodelschematization,includingthesimplificationofhydrologicsystemsandtherepresentationofhydrogeologicparametersinmodels.RefertoRef(6)forfurtherguidance.1.1Thisguidecoversanintegrated,stepwisemethodforthequalitativeconceptualizationandquantitativecharacterizationofground-waterflowsystems,includingtheunsaturatedzone,fornaturalorhuman-inducedbehaviororchanges.1.2Thisguidemaybeusedatanyscaleofinvestigation,includingsite-specific,subregional,andregionalapplications.1.3Thisguidedescribesaniterativeprocessfordevelopingmultipleworkinghypothesesforcharacte......
【中国标准分类号】:P12
【国际标准分类号】:13_060_10
【页数】:8P.;A4
【正文语种】:英语


【英文标准名称】:Ophthalmicinstruments-Trialframes(ISO12867:2010);GermanversionENISO12867:2010
【原文标准名称】:眼科仪器.试镜架(ISO12867-2010).德文版本ENISO12867-2010
【标准号】:DINENISO12867-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分类;定义;设计;使用说明;仪器;作标记;眼科设备;眼科光学;眼科试验设备;眼科学;光学仪器;光学;合格试验;规范(验收);眼镜(夹鼻);试验设备;测试;试镜架
【英文主题词】:Classification;Definitions;Design;Instructionsforuse;Instruments;Marking;Ophthalmicequipment;Ophthalmicoptics;Ophthalmictestequipment;Ophthalmology;Opticalinstruments;Optics;Qualificationtests;Specification(approval);Spectacles(eyeglasses);Testequipment;Testing;Trialframes
【摘要】:
【中国标准分类号】:C32;Y89
【国际标准分类号】:11_040_70
【页数】:12P;A4
【正文语种】:英语