SN/T 1269-2003 创建“国际卫生机场”规程
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时间:2024-05-08 07:02:08
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来源:标准资料网
基本信息
标准名称: | 创建“国际卫生机场”规程 |
英文名称: | Codes for establishing sanitary international airport |
中标分类: |
医药、卫生、劳动保护 >>
卫生 >>
卫生检疫 |
ICS分类: |
|
替代情况: | 被SN/T 1269-2010代替 |
发布部门: | 中华人民共和国国家质量监督检验检疫总局 |
发布日期: | 2003-05-28 |
实施日期: | 2003-12-01 |
首发日期: | 1900-01-01 |
作废日期: | 2010-09-16 |
起草单位: | 国家认证认可监督管理委员会 |
出版日期: | 1900-01-01 |
页数: | 平装16开, 页数:7, 字数:10千字 |
适用范围
本标准规定了在中国境内开展创建“国际卫生机场工作的步骤、内容、方法和技术要求。本标准适用于全国国际机场开展创建“国际卫生机场工作。
前言
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目录
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引用标准
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所属分类: 医药 卫生 劳动保护 卫生 卫生检疫
【英文标准名称】:StandardPracticeforPreparationofInsulatingPaperandBoardImpregnatedwithaLiquidDielectric
【原文标准名称】:浸透液态电介质的纸及纸板绝缘性电制备的标准实施规程
【标准号】:ASTMD2413-1999(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:D09.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:board;dielectricstrength;dissipationfactor;drying;impulsestrength;oilimpregnation;paperpermittivity;pressboard;vacuumdrying;Dielectricbreakdownvoltage;Electricalinsulatingpaper/paperboard;Electricalproperties;Impregnateddie
【摘要】:DissipationFactorandRelativePermittivity8212;Knowledgeofthesepropertiesisimportantinthedesignofelectricalequipmentsuchascables,transformers,insulators,etc.Thenumericalproductofthesetwopropertiesofadielectricsystemisproportionaltotheenergylossconvertedtoheat,andiscalleditslossindex(seeTerminologyD1711).Theenergylossreducestheefficiencyofelectricalequipment.Theheatproducedtendstochemicallydegradethedielectricmaterialandmayevenleadtothermalrunaway.Testresultsofimpregnatedspecimenscandisclosesignificantdifferencesbetweencombinationsofpapersandoilsthatappearsimilarwhenthepapersandtheoilsaretestedseparately.Dissipationfactor,particularlyatelevatedtemperatures,isoftenchangedsignificantlybythepresenceofasmallquantityofimpuritiesineithertheliquidorthepaper.Thispracticeisusefulinthecomparisonofmaterialsandinevaluatingtheeffectsofdifferentpapersonagivenliquid.Judiciousanalysisofresultswithrespecttotime,temperature,andfieldstrengthshouldbeusefulinpredictingtheperformanceandcapabilitiesofsystemsusingthepaperandtheliquid.Foradditionalinformationonthesignificanceofdissipationfactorandrelativepermittivity,seeTestMethodsD150.TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequencies:Acomprehensivediscussionofthesignificanceofthedielectricstrengthtestasappliedtosolid,semi-solid,andliquidmaterialsisgiveninAppendixX1ofTestMethodD149.Otherfactorspeculiartohigh-qualitycompositeinsulations,suchasoil-impregnatedpapers,areconsideredinthefollowing:Intestsinvolvinghighelectricalstresses,immersionofcriticalpartsofatestcircuitinoilisawidelyusedtechniqueforinhibitingcorona.However,ithaslimitationsthatmustberecognizedwhenusingthesubmergedelectrodeoptionofthispractice(Note1).Attackonthepaperbycoronageneratedinthesurroundingfluidatelectrodeedgescanoccurwhetherthefluidisairoroil.Coronaoccursatconsiderablyhighervoltagesinoilthaninair.Thickanddensepapersaremorelikelytocausedischarge-initiatedbreakdowns.Forinterpretationofbreakdownmeasurementsthenumberofedgebreakdowns,implyingdischarge-initiatedbreakdowns,shouldbeconsidered.Note18212;Twotechniquesareinuseintheindustryfortestingspecimensfordielectricbreakdownvoltage.Inone,thetestismadewiththeelectrodesandtestspecimensubmergedintheimpregnatingliquidwhileintheothertheelectrodesarenotsubmerged,thatis,thespecimenistestedinair.Muchdatahasbeenaccumulatedusingthelattertechnique.Thesetechniquesyielddifferentvaluesofbreakdownvoltage.TestMethodD149statespreferencefortestingmaterialsinthemediuminwhichtheyareused.Theuseofsubmergedelectrodesfollowsthispreference.Whentestingthickinsulatingboards,theuseofsubmergedelectrodesisgreatlypreferred.Theresultsofpowerfrequencytestsonoilimpregnatedpapersareusefulforscreening,research,andqualitycontrol,providedthatconsiderablejudgmentisexercisedininterpretingtheresults.Theapplicationofthetestresultstoequipmentdesignandservicerequiresparticu........
【中国标准分类号】:K15
【国际标准分类号】:29_035_10
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:Jewelsforfinemechanics;watchjewels,flat
【原文标准名称】:精密仪器用宝石.第1部分:扁平式手表宝石
【标准号】:DIN8257-1-1987
【标准状态】:现行
【国别】:德国
【发布日期】:1987-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:红宝石;尺寸;形状;浅;钟表机芯;钟表宝石;圆柱形;孔;直径;尺寸公差;材料;公差;表;表用宝石
【英文主题词】:shape;cylindricalshape;watches;shallow;watchjewels;diameter;tolerances(measurement);holes;dimensionaltolerances;materials;ruby;dimensions;horologicaljewels;clockmovements
【摘要】:Thisstandardreferstoflatjewelsforuseinmovementsforwatches.
【中国标准分类号】:Y11;D58
【国际标准分类号】:39_040_00
【页数】:4P;A4
【正文语种】:德语