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BS EN 3305-1997 镀镉的合金钢短螺纹紧公差标准螺杆斜十字槽100°小埋头螺钉.等级:1100MPa(室温)/235℃

作者:标准资料网 时间:2024-05-03 01:57:17  浏览:9581   来源:标准资料网
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【英文标准名称】:Screws,100°countersunkreducedhead,offsetcruciformrecess,closetolerancenormalshank,shortthread,inalloysteel,cadmiumplated-Classification:1100MPa(atambienttemperature)/235°C
【原文标准名称】:镀镉的合金钢短螺纹紧公差标准螺杆斜十字槽100°小埋头螺钉.等级:1100MPa(室温)/235℃
【标准号】:BSEN3305-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-02-15
【实施或试行日期】:1997-02-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:埋头紧固件;合金钢;电镀;镉;金属覆层;试验条件;层覆材料;十字头紧固件;钢;角(几何学);凹槽头紧固件;尺寸公差;紧固件;螺纹紧固件;飞行器部件;抗拉强度;温度;作标记;螺钉;名称与符号;尺寸;外螺纹紧固件
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Alloysteels;Cadmiumplated;Characteristics;Countersunkheadscrews;Cruciform-headfasteners;Designations;Dimensionaltolerances;Dimensions;Fittingbolts;Marking;Recesses;Screws(bolts);Spacetransport;Specification(approval);Steels;Surfacetreatment;Tensilestrength;Testforces;Threads;Tolerances(measurement);Torq-setrecesses
【摘要】:Thisstandardspecifiesthecharacteristicsofscrews,100°countersunkreducedhead,offsetcruciformrecess,closetolerancenormalshank,shortthread,inalloysteel,cadmiumplated.Classification:1100MPa/235℃note:1)Minimumtensilestrengthofthematerialatambienttemperature2)Maximumtemperaturethatthescrewcanwithstandwithoutcontinuouschangeinitsoriginalcharacteristics,afterreturntoambienttemperature.Themaximumtemperatureisdeterminedbythesurfacetreatment.
【中国标准分类号】:V20
【国际标准分类号】:49_030_20
【页数】:14P.;A4
【正文语种】:英语


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【英文标准名称】:Ergonomicrequirementsforworkwithvisualdisplaysbasedonflatpanels-Part2:ergonomicrequirementsforflatpaneldisplays.
【原文标准名称】:基于平板视觉显示的工作的人类工效学要求.第2部分:平板显示的人类工效学要求
【标准号】:NFX35-123-2-2002
【标准状态】:作废
【国别】:法国
【发布日期】:2002-05-01
【实施或试行日期】:2002-05-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Activities;Colourdifferences;Computerhardware;Computers;Contrast(optical);Definitions;Design;Display;Displayunits;Ergonomics;Flatpaneldisplays;Flatpanels;Hardware;Imagequality;Indications;Information;Informationtechnology;Luminance;Mathematicalcalculations;Measurement;Officemachines;Officework;Organizationofoperations;Performancerequirements;Picturedesigns;Reflection;Reflective;Screens;Shallow;Specification(approval);Structuralsystems;Televisionreceivers;Terminals;Terminology;Testing;Visual;Visualdisplayunits;Visualdisplayworkstations;Vocabulary;Wordprocessors
【摘要】:
【中国标准分类号】:A25
【国际标准分类号】:13_180;35_180
【页数】:160P.;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforDescriptionandSelectionofConditionsforPhotographingSpecimensUsingAnalog(Film)CamerasandDigitalStillCameras(DSC)
【原文标准名称】:使用模拟相机和数字静止相机的摄影样片条件描述和选择标的准实施规程
【标准号】:ASTME312-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E12.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:验收检验;条件;摄影;图象;工艺;试件;试验
【英文主题词】:analogcamera;digitalstillcamera;DSC;lighting;photography;viewing
【摘要】:Thispracticeprovidesabasisforchoosing,specifying,recording,communicating,andstandardizingtheconditionsandprocessesthatdeterminethenatureofaphotographicimageofaspecimen.Itsprovisionsareparticularlyusefulwhenthephotographicimageisusedtopreserveorcommunicatetheappearanceofaspecimeninvolvedinanagingorstressingtestthataffectsitsappearance.Itisoftenusefultocomparephotographsmadeunderidenticalconditionsbeforeandafteratesttoillustrateachangeinappearance.Thispracticedealswithspecificdetailsofcameratechniqueandthephotographicprocess,soitwillprobablybebestunderstoodandimplementedbyatechnicalphotographerorsomeonetrainedinphotographicscience.Thepersonrequiringthephotographmustclearlyindicatetothephotographerwhatfeaturesofthespecimenareoftechnicalinterest,sohemayusetechniquesthatmakethosefeaturesclearlyevidentinthephotograph,withoutmisrepresentingtheappearanceofthespecimen.Thispracticeprovidesusefulguidanceonpresentingphotographsforviewing,providinganindicationofdimensionsorscale,indicatingtheorientationofthepicture,andreferringtoparticularpointsonapicture.Thesetechniquesshouldbeusefultothosewritingtechnicalliteratureinvolvingillustrationsoftheappearanceofspecimens.Themethodsofthispracticeshouldcontributemateriallytotheaccuracyandprecisionofotherstandardsthatrelyonpicturestoindicatevariousgradesofsomeattributeofappearance,suchasblisteringorcracking.Foracceptancetesting,manufacturingcontrol,andregulatorypurposes,itisdesirabletoemploymeasurement,butinthosecaseswheretherearenomethodsofmeasuringtheattributeofappearanceofinterest,well-madephotographsorphotomechanicalreproductionsofthemmaybethebestavailablewaytorecordandcommunicatetoaninspectorthenatureoftheattributeofappearance.1.1Thispracticedefinestermsandsymbolsandprovidesasystematicmethodofdescribingthearrangementoflights,camera,andsubject,thecharacteristicsoftheillumination,thenatureofthephotographicprocess,andtheviewingsystem.Conditionsforphotographingcertaincommonformsofspecimensarerecommended.Althoughthispracticeisapplicabletophotographicdocumentationingeneral,itisintendedforuseindescribingthephotographyofspecimensinvolvedintestingandinstandardizingsuchproceduresforparticularkindsofspecimens.Thispracticeisapplicabletomacrophotographybutphotomicrographyisexcludedfromthescopeofthispractice.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G81;A15
【国际标准分类号】:37_040_10
【页数】:9P.;A4
【正文语种】:



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