EN 2356-1988 航空航天..耐蚀钢制滚动轴承的操纵钢索的带螺纹叉端头.尺寸和负荷
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【英文标准名称】:Aerospaceseries;fork-endsthreaded,controlcableforrollingbearingincorrosionresistingsteel;dimensionsandloads
【原文标准名称】:航空航天..耐蚀钢制滚动轴承的操纵钢索的带螺纹叉端头.尺寸和负荷
【标准号】:EN2356-1988
【标准状态】:现行
【国别】:
【发布日期】:1989-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:控制电缆;作标记;钢;尺寸;公差;飞行器;松紧螺纹扣;滚珠轴承;荷载;断裂荷载;耐腐蚀钢;航空航天运输;航空运输;名称与符号;航天运输;规范(审批);材料;飞行操纵;紧固眼螺栓;螺纹
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Aircraftcontrols;Ballbearings;Breakingload;Controlcables;Corrosion-resistantsteels;Designations;Dimensions;Forks(cutlery);Loading;Marking;Materials;Screws(bolts);Spacetransport;Specification(approval);Steels;Threads;Tighteningeyebolts;Tolerances(measurement);Turnbuckles
【摘要】:
【中国标准分类号】:V20
【国际标准分类号】:49_030_99
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Electromagneticcompatibility(EMC)-Part5-7:Installationandmitigationguidelines;Degreesofprotectionprovidedbyenclosuresagainstelectromagneticdisturbances(EMcode)
【原文标准名称】:电磁兼容性(EMC)第5-7部分：安装和调试指南外壳对电磁骚扰的保护度(EM规程)
【标准号】:IEC61000-5-7-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC77C
【标准类型】:()
【标准水平】:()
【中文主题词】:保护设备;电磁学;抗干扰;安装说明;电磁兼容性;防护屏蔽;爆炸;无线电干扰;基础标准;电力设备;环境条件;核能;干扰抑制
【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)willneedtobeconsideredbymanufacturerswhendeterminingtheneedforapplicatiohofthisstandardforspecificequipmentandapplications,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】:51P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 集装箱运输成本的计算方法 |
| 中标分类： |
综合 >>
标志、包装、运输、贮存 >>
集装箱、托盘、货架 |
| 发布日期： | 1995-03-10 |
| 实施日期： | 1995-09-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 11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： 综合 标志 包装 运输 贮存 集装箱 托盘 货架
