【英文标准名称】:Uninterruptiblepowersystems(UPS)-Part2:Electromagneticcompatibility(EMC)requirements(IEC62040-2:2005);GermanversionEN62040-2:2006
【原文标准名称】:不间断供电系统(UPS).第2部分:电磁兼容性(EMC)要求(IEC62040-2:2005)
【标准号】:EN62040-2-2006
【标准状态】:现行
【国别】:
【发布日期】:2006-07
【实施或试行日期】:2006-07-01
【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】:交流电流;组件;转炉;定义;设计;尺寸选定;电力变换器;电力系统;电气工程;电气安全;电驱动装置;电磁兼容性;电子工程;电子设备及元件;检验;安装;干扰抑制;使用条件;电力电子学;冗余;安全;半导体器件;半导体功率转换器;半导体;规范(验收);试验;可不中断的;连续;连续电力系统
【英文主题词】:Alternatingcurrent;Components;Converters;Definition;Definitions;Design;Dimensioning;Electricconvertors;Electricpowersystems;Electricalengineering;Electricalsafety;Electrically-operateddevices;Electromagneticcompatibility;Electronicengineering;Electronicequipmentandcomponents;EMC;Inspection;Installations;Interferencerejections;Operatingconditions;Powerelectronics;Redundancy;Safety;Semiconductordevices;Semiconductorpowerconvertors;Semiconductors;Specification(approval);Testing;Uninterruptable;Uninterruptiblepowersystems
【摘要】:
【中国标准分类号】:K85;L06
【国际标准分类号】:29_200;33_100_10
【页数】:44P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 球形储罐 基本参数 |
| 中标分类： |
化工 >>
化工机械与设备 >>
化工设备 |
| 替代情况： | 被GB/T 17261-1998代替 |
| 发布日期： | |
| 实施日期： | 2001-07-01 |
| 首发日期： | |
| 作废日期： | 1998-05-13 |
| 出版日期： | |
| 页数： | 2页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 化工 化工机械与设备 化工设备
【英文标准名称】:StandardTestMethodforMethanolWallWashofMarineVesselsHandlingPolyesterGradeMonoethyleneGlycol
【原文标准名称】:处理涤纶级乙二醇的海洋船舶清洗甲醇壁的标准试验方法
【标准号】:ASTME2664-2009a
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:E15.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:appearance;chloride;color;hydrocarbons;methanol;polyestergrademonoethyleneglycol;wallwash;Appearance;Color;Hydrocarbons;Marinevessels;Methanol(methylalcohol);Polyestergradeethyleneglycol;Wallwash
【摘要】:Themethanolwallwashtestisperformedtodeterminethecleanlinessandsuitabilityofcargotanksorcompartmentsonamarinevesselpriortoloadingpolyestergrademonoethyleneglycol.Polyestergrademonoethyleneglycolhasveryhighqualityrequirementsandmustbehandledwithcare,asitisadverselyaffectedbyoxygen,hydrocarbons,waterandchloride.Itisespeciallysusceptibletoaromaticcontamination,whichdegradesUVtransmittance.Possiblesourcesofcontaminationarethepriorcargoesandcleaningagents.Themethanolwallwashprocedureprovidesarepresentativesamplingoftheimpuritiesandcontaminationpresentonthesidesofthecargotank.Thetestmethodsusedforanalysisofthemethanolwallwashsamplesarecapableofdetermininglowlevelsofimpuritiesorcontaminationinmethanol.Thesetestsincludeappearance,color,hydrocarbonsandchloride.Theproducersofpolyestergrademonoethyleneglycolneedconfirmationofthecleanlinessandsuitabilityofthemarinevesselx2019;stankspriortoloadingwithin-specificationmaterial.Cargotanksthatdonotpassthewallwashtestshouldnotbeloaded.AlternativetestmethodsandtechnologyforseveralofthemethodscanbefoundintheAppendix.Thealternativetestmethodsdonothaveprecisiondatafortheapplicationofthesemethodsinanalyzingmethanol.Useofthesemethodsisoptionalandindividualsusingthealternativemethodsshouldassurethemselvesthatthemethodissufficientlyprecise.Precisiondataisonlyfortheoriginaltestmethodslisted.1.1Thistestmethodcoversthemethanolwallwashprocedureandthechemicalandphysicalanalysisofthewallwashsamplingforcargotanksofmarinevesselshandlingpolyestergrademonoethyleneglycol.Thekeysectionsforthewallwashprocedureandtestmethodsappearinthefollowingorder:SectionsWallWashProcedure
7and8
Appearance
9-11
Color
12-14
Hydrocarbons
15-17
Chloride
18-21