GB 9847-1988 苹果苗木
作者:标准资料网 时间:2024-04-30 21:43:04 浏览:9962
来源:标准资料网
基本信息
标准名称: | 苹果苗木 |
英文名称: | Apple nursery stocks |
中标分类: |
农业、林业 >>
经济作物 >>
瓜果、蔬菜种植与产品 |
ICS分类: |
农业 >>
农业和林业 >>
植物栽培
|
替代情况: | 被GB 9847-2003代替 |
发布日期: | 1988-09-20 |
实施日期: | 1989-04-01 |
首发日期: | 1900-01-01 |
作废日期: | 2003-11-01 |
起草单位: | 中国农科院果树研究所 |
出版日期: | 1900-01-01 |
页数: | 5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: 农业 林业 经济作物 瓜果 蔬菜种植与产品 农业 农业和林业 植物栽培
【英文标准名称】:Reciprocatinginternalcombustionengines.Exhaustemissionmeasurement.Part8:enginegroupdetermination.
【原文标准名称】:往复式内燃机.废气排放测量.第8部分:发动机组的测定
【标准号】:NFE37-211-8-1999
【标准状态】:现行
【国别】:法国
【发布日期】:1999-04-01
【实施或试行日期】:1999-04-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:往复式内燃机;往复式发动机;内燃机;排气测量;电动机;试验;排气
【英文主题词】:Exhaustgases;Exhaustmeasurement;Internalcombustionengines;Motors;Reciprocatingengines;Reciprocatinginternalcombustionengines;Testing
【摘要】:
【中国标准分类号】:J91
【国际标准分类号】:13_040_40;27_020
【页数】:7P;A4
【正文语种】:其他
【英文标准名称】:Statictransfersystems(STS)-Electromagneticcompatibility(EMC)requirements
【原文标准名称】:静态转换系统(STS).电磁兼容性(EMC)要求
【标准号】:BSEN62310-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-03-30
【实施或试行日期】:2007-03-30
【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】:组件;定义;电力变换器;电力系统;电气工程;电气安全性;电驱动装置;电磁兼容性;电子工程;电子设备及元件;EMC;检验;使用条件;电力电子学;安全性;安全规则;安全性要求;半导体器件;半导体;规范(验收);测试;可不中断的;不中断电力系统
【英文主题词】:Components;Definition;Definitions;Electricconvertors;Electricpowersystems;Electricalengineering;Electricalsafety;Electrically-operateddevices;Electromagneticcompatibility;Electronicengineering;Electronicequipmentandcomponents;EMC;Inspection;Operatingconditions;Powerelectronics;Safety;Safetyregulations;Safetyrequirements;Semiconductordevices;Semiconductors;Specification(approval);Testing;Uninterruptable;Uninterruptiblepowersystems
【摘要】:TheIEC62310seriesappliestofreestandingoperationa.c.statictransfersystems(STS)intendedtoensurethecontinuityofloadsupplythroughcontrolledtransfer,withorwithoutinterruptionofpower,fromtwoormoreindependenta.c.sources.TheIEC62310seriesincludesrequirementsfortheswitchingelements,theircontrolandprotectiveelements,whereapplicable.TheIEC62310seriesalsoincludesinformationfortheoverallintegrationoftheSTSanditsaccessoriesintothea.c.powernetwork.Thisstandardappliestosystemsupto1000Va.c.whichareintendedtobeusedinsinglephase,phase-phaseorthree-phaseapplicationsThispartofIEC62310isintendedasaproductstandardallowingtheEMCconformityassessmentofproductsofcategoriesC1,C2andC3asdefinedinClause4,beforeplacingthemonthemarket.EquipmentofcategoryC4istreatedasafixedinstallation.Checkingisgenerallydoneafterinstallationinitsfinalplaceofuse.Sometimespartialcheckingmaybedonebefore.SeeAnnexE.ThispartofIEC62310takesprecedenceoverallaspectsofthegenericstandards,andnoadditionaltestingisnecessary.TherequirementshavebeenselectedsoastoensureanadequatelevelofElectromagneticCompatibility(EMC)forSTSatpublicandindustriallocations.Theselevelscannot,however,coverextremecaseswhichmayoccurinanylocation,butwithextremelylowprobabilityofoccurrence.IttakesintoaccountthedifferingtestconditionsnecessarytoencompasstherangeofphysicalsizesandpowerratingsofSTS.ASTS,whetherpresentedasaunitoranassemblyofunitsshallmeettherelevantrequirementsofthispartofIEC62310asastand-aloneproduct.EMCphenomenaproducedbyanysupplyorloadconnectedtotheinputoroutputoftheSTSequipmentshallnotbetakenintoaccount.Thisstandarddoesnotapplyto:–devicesford.c.sourceswitching;–singlesourcesystems;–transfersystemsusingonlyelectromechanicalswitchingdevicesintendedtobeusedinemergencypowersystemswithinterruptionofthesupplytotheloadduringtransfer;NOTE1SuchequipmentiscoveredbyIEC60947-6-1.–automaticswitchingdevicesintegratedintoUninterruptiblePowerSystems(UPS)coveredbytheIEC62040series.ThispartofIEC62310concernsElectromagneticCompatibility(EMC).SeeIEC62310-1forgeneralandsafetyrequirements.Specialinstallationenvironmentsarenotcovered,norarefaultconditionsofSTStakenintoaccount.Thisstandardspecifies:–EMCrequirements;–testmethods;–minimumperformancelevels.
【中国标准分类号】:L06
【国际标准分类号】:29_200
【页数】:42P.;A4
【正文语种】:英语