BS 4758-1986 对工程用镍电镀层进行规范的方法
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【英文标准名称】:Methodforspecifyingelectroplatedcoatingsofnickelforengineeringpurposes
【原文标准名称】:对工程用镍电镀层进行规范的方法
【标准号】:BS4758-1986
【标准状态】:作废
【国别】:英国
【发布日期】:1986-01-31
【实施或试行日期】:1986-01-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:表面处理;性能试验;工业的;镍;孔隙度测量;覆层;试验设备;防护覆层;金属覆层;应力消除;电镀;材料的机械性能;尺寸;材料规范;锤击;热处理;厚度
【英文主题词】:Coatings;Dimensions;Electroplating;Heattreatment;Industrial;Materialsspecification;Mechanicalpropertiesofmaterials;Metalcoatings;Nickel;Peening;Performancetesting;Porositymeasurement;Protectivecoatings;Stressrelieving;Surfacetreatment;Testequipment;Thickness
【摘要】:Methodforspecifyingrequirementsfornickelcoatingsusuallyofsubstantialthicknessonferrousandnon-ferrousmetals.Stressrelieftreatmentbeforecoating,theappearance,surfacefinish,thickness,hardness,adhesionandporosity,andheattreatmentaftercoatingandsampling.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Electromagneticcompatibility(EMC)-Installationandmitigationguidelines-Installationandmitigationguidelines-Degreesofprotectionbyenclosuresagainstelectromagneticdisturbances(EMcode)-Degreesofprotectionagainstelectromagneticdistu
【原文标准名称】:电磁兼容性(EMC).安装和调试指南.外壳抗电磁干扰防护等级(EM规则)
【标准号】:BSEN61000-5-7-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-15
【实施或试行日期】:2001-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:性能要求;安装说明;核能;无线电干扰;影响量;作标记;防护屏蔽;防护等级;保护设备;电磁场;爆炸;基本标准;电磁学;电力设备;环境条件;EMC;电磁兼容性;干扰抑制;外壳;干扰防护
【英文主题词】:Basicstandard;Degreesofprotection;Electricalinstallations;Electromagneticcompatibility;Electromagneticfields;Electromagnetism;EMC;Enclosures;Environmentalcondition;Explosions;Influencequantities;Installationinstructions;Interferenceprotection;Interferencesuppression;Marking;Nuclearenergy;Performancerequirements;Protectiondevices;Radiointerferences;Shields
【摘要】:ThispartofIEC61000describesperformancerequirements,testmethodsandclassificationproceduresfordegreesofprotectionprovidedbyemptyenclosuresagainstelectromagneticdisturbancesforfrequenciesbetween10kHzand40GHz.Theshieldingperformanceistobemeasuredpriortotheinstallationofinternalelectricaland/orelectronicequipmentandcomponents.ThisshieldingprotectionismeasuredforthepurposeofdemonstratingthattheenclosureprovidesadequateshieldingofelectromagneticenergytosupportacceptableperformanceofthecompleteassembledunitswhentestedtoapplicableIECstandards.However,itshouldbenotedthatsatisfactoryperformanceofanemptyenclosuredoesnotnecessarilyensurethatthecompletedunitswillpassallEMCperformanceteststandardsfortheoperatingequipment(seediscussioninannexA).Thepurposeofthisstandardistoprovidearepeatablemeansforevaluatingtheelectromagneticshieldingperformanceofemptymechanicalenclosures,includingcabinetsandsubracks,andtospecifyamarkingcodetoallowamanufacturertoselectanenclosurewithaknowncapabilityforattenuatingelectromagneticfields.Therequirementsforimmunitytovarioustypesofelectromagneticdisturbances,includinglightningandhigh-altitudeelectro-magneticpulse(HEMP)willneedtobeconsideredbymanufacturerswhendeterminingtheneedforapplicationofthisstandardforspecificequipmentandapplications,andforthespecificenclosureshieldingrequirementswhicharenecessaryasafunctionoffrequency.Theadoptionoftheclassificationsysteminthisstandardwill,wheneverpossible,promoteuniformityinmethodsofdescribingtheprotectionagainstelectromagneticstressesprovidedbytheenclosure.Thisincludesprotectionofequipmentinsidetheenclosurefromexternalelectromagneticstresses,aswellasprotectionofexternalequipmentfrominternallygeneratedelectromagneticstresses.TechnicalCommitteesresponsibleforenclosuresmaydecideontheextentandmannerinwhichtheclassificationdefinedinthisstandardisusedintheirstandardsandtodefine"enclosure"asitappliestotheirequipment.However,thetestsandperformancecategoriesmustnotdifferfromthosespecifiedinthisstandard.AninformativeguideforthedetailstobespecifiedinrelevantenclosureproductstandardsisgiveninannexB.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:30P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforNon-destructiveTesting(NDT)forDeterminingtheIntegrityofSeamsUsedinJoiningFlexiblePolymericSheetGeomembranes
【原文标准名称】:用于粘结柔性聚合物土工薄膜时现场接缝完整性测定的标准实施规程
【标准号】:ASTMD4437-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D35.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Adhesivebonds;Bondedseams;Destructivetesting--soil/rock;Fieldtesting--geosynthetics;Flexiblebarriermaterials;Geomembranes;Liquids--geosynthetic/geothermalapplications;Nondestructiveevaluation(NDE)--soil/rock/relatedmaterials;Polymericge
【摘要】:Theuseofgeomembranesasbarriermaterialstorestrictliquidmigrationfromonelocationtoanotherinsoilandrock,andthelargenumberofseammethodsandtypesusedinjoiningthesegeomembranesheets,hascreatedaneedforstandardtestsbywhichthevariousseamscanbecomparedandthequalityoftheseamsystemscanbenon-destructivelyevaluated.Thispracticeisintendedtomeetsuchaneed.Thegeomembranesheetmaterialshallbeformulatedfromtheappropriatepolymersandcompoundingingredientstoformaplasticorelastomersheetmaterialthatmeetsallspecifiedrequirementsfortheenduseoftheproduct.Thesheetmaterial(reinforcedornonreinforced)shallbecapableofbeingbondedtoitselfbyoneofthemethodsdescribedin1.2inaccordancewiththesheetmanufacturer''srecommendationsandinstructions.1.1Thispracticeisintendedforuseasasummaryofnondestructivequalitycontroltestmethodsfordeterminingtheintegrityofseamsusedinthejoiningofflexiblesheetmaterialsinageotechnicalapplication.Thispracticeoutlinesthetestproceduresavailablefordeterminingthequalityofbondedseams.Anyoneorcombinationofthetestmethodsoutlinedinthispracticecanbeincorporatedintoaprojectspecificationforqualitycontrol.Thesetestmethodsareapplicabletomanufacturedflexiblepolymericmembraneliningsthatarescrimreinforcedornonreinforced.Thispracticeisnotapplicabletodestructivetesting.FordestructivetestmethodslookatotherASTMStandardsandPractices.1.2Thetypesofseamscoveredbythispracticeincludethefollowing:ThermallyBondedSeams,HotAir,HotWedge(orKnife),Extrusion,SolventBondedSeams,BodiedSolventBondedSeams,AdhesiveBondedorCementedSeams,TapedSeams,WaterproofedSewnSeams.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:91_100_50
【页数】:2P.;A4
【正文语种】:英语
