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GB/T 4476.4-1984 金属船体制图 尺寸注法

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基本信息
标准名称:金属船体制图 尺寸注法
英文名称:Drawings for metal hull of ships;Dimensioning
中标分类: 船舶 >> 船舶综合 >> 基础标准与通用方法
ICS分类: 造船和海上建筑物 >> 船舶和海上建筑物综合
替代情况:替代CB* 3009-77;被GB/T 4476.4-2008代替
发布部门:国家标准局
发布日期:1984-06-18
实施日期:1985-04-01
首发日期:1984-06-18
作废日期:2009-02-01
主管部门:中国船舶工业集团公司
提出单位:中国船舶工业总公司
归口单位:全国海洋船标准化技术委员会
起草单位:金属船体制图编写组
起草人:王怀玉
出版社:中国标准出版社
出版日期:1985-04-01
页数:10页
适用范围

本标准适用于民用船舶和军用辅助船舶的金属船体制图。其它船舶船体制图、船机和船电制图、除其本身特点外,可参照使用。
本标准没有明确规定的部分,应按国家标准《机械制图》绘制。

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所属分类: 船舶 船舶综合 基础标准与通用方法 造船和海上建筑物 船舶和海上建筑物综合
【英文标准名称】:Specificationforlow-voltageswitchgearandcontrolgearforindustrialuse-Inductiveproximityswitches-FormD,fordirectcurrent,3or4terminals
【原文标准名称】:工业用低压开关设备和控制装置规范.D型直流用3或4引线感应式近距离开关
【标准号】:BS5684-1988
【标准状态】:作废
【国别】:英国
【发布日期】:1988-01-29
【实施或试行日期】:1988-01-29
【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】:装配;准确度;频率;长方形;工作范围;长度;操作时间;感应近接开关;电压;开关;电流;直流电流;近接开关;控制开关;开关设备;名称与符号;试验条件;尺寸;工业的;电控制设备;温度;低压电器
【英文主题词】:Cableglands;Clamps;Connections;Dimensions;Directcurrent;Electricenclosures;Electricalengineering;Electronicengineering;Frequencies;Inductiveproximityswitches;Industrial;Industrialelectricalinstallations;Industries;Installation;Lowvoltage;Low-voltageequipment;Marking;Proximityswitches;Ratings;Reproducibility;Shape;Switches;Switchgear;Switchgears;Temperature;Tolerances(measurement)
【摘要】:Onlyswitchesthatarenotembeddableinmetal,inrectangularformwithrectangularcross-section,forratedvoltagenotexceeding48V.
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:8P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforPerformingAcceleratedOutdoorWeatheringofNonmetallicMaterialsUsingConcentratedNaturalSunlight
【原文标准名称】:使用集中自然光对非金属材料进行加速室外候化的标准实施规程
【标准号】:ASTMG90-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:G03.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:durability;exposure;fresnel-reflector;weathering;Acceleratedaging/testing--buildingmaterials;Acceleratedweathering;Durability--paints/relatedmaterials;Exposuretests--atmospheric;Fresnel-reflectorsystem;Mirrors;Nonmetallicmaterials;Outdoo
【摘要】:Resultsobtainedfromthispracticecanbeusedtocomparetherelativedurabilityofmaterialssubjectedtothespecifictestcycleused.Noacceleratedexposuretestcanbespecifiedasatotalsimulationofnaturalorfieldexposures.Resultsobtainedfromthispracticecanbeconsideredasrepresentativeofnaturalorfieldexposuresonlywhenthedegreeofcomparativeperformancehasbeenestablishedforthespecificmaterialsbeingtested.TherelativedurabilityofmaterialsinnaturalorfieldexposurecanbeverydifferentdependingonthelocationoftheexposurebecauseofdifferencesinUVradiation,timeofwetness,temperature,pollutants,andotherfactors.Therefore,evenifresultsfromaspecificacceleratedtestconditionarefoundtobeusefulforcomparingtherelativedurabilityofmaterialsexposedinaparticularexteriorlocation,itcannotbeassumedthattheywillbeusefulfordeterminingrelativedurabilityforadifferentlocation.Theuseofasingleaccelerationfactorrelatingtherateofdegradationinthisacceleratedexposuretotherateofdegradationinaconventionalexteriorexposureisnotrecommendedbecausetheaccelerationfactorvarieswiththetypeandformulationofthematerial.Eachmaterialandformulationmayresponddifferentlytotheincreasedlevelofirradianceanddifferencesintemperatureandhumidity.Thusanaccelerationfactordeterminedforonematerialmaynotbeapplicabletoothermaterials.Becauseofvariabilityintestresultsunderbothacceleratedandconventionalexteriorexposuresresultsfromasufficientnumberoftestsmustbeobtainedtodetermineanaccelerationfactorforamaterial.Further,theaccelerationfactorisapplicabletoonlyoneexteriorexposurelocationbecauseresultsfromconventionalexteriorexposurescanvaryduetoseasonalorannualdifferencesinimportantclimaticfactors.Variationsinresultsmaybeexpectedwhenoperatingconditionsvarywithinthelimitsofthispractice.Forexample,therecanbelargedifferencesintheamountofdegradationinasinglematerialbetweenseparate,althoughsupposedlyidentical,exposurescarriedoutforthesamedurationornumberofexposurecycles.Thispracticeisbestusedtocomparetherelativeperformanceofmaterialstestedatthesametimeinthesamefresnelreflectordevice.Becauseofpossiblevariabilitybetweenthesametypeofexposuredeviceandvariabilityinirradiance,temperatureandmoisturelevelsatdifferenttimes,comparingtheamountofdegradationinmaterialsexposedforthesamedurationorradiantenergyatseparatetimesisnotrecommended.Thispracticeshouldnotbeusedtoestablishax201C;pass/failx201D;approvalofmaterialsafteraspecificperiodofexposureunlessperformancecomparisonsaremaderelativetoacontrolmaterialexposedsimultaneously,orthevariabilityinthetestisdefinedsothatstatisticallysignificantpass/failjudgementscanbemade.Itisstronglyrecommendedthatatleastonecontroltestspecimenbeexposedwitheachtest.ThecontroltestspecimenshouldmeettherequirementsofTerminologyG113,andbechosensothatitsfailuremodeisthesameasthatofthetestspecimen.Itispreferabletousetwocontroltestspecimens,onewithrelativelygooddurabilityandonewithrelativelypoordurability.Theuseofatleasttworeplicatesofeachcontroltestspecimenandeachmaterialbeingevaluatedisrecommended.ConsultGuideG169forperformingstatisticalanalysis.1.1Fresnel-reflectingconcentratorsusingthesunassourceareutilizedintheacceleratedoutdoorexposuretestingofnonmetallicmaterials.......
【中国标准分类号】:H25
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:英语