【英文标准名称】:Designationsystemforscrewthreads
【原文标准名称】:螺纹命名体系
【标准号】:JISB0123-1999
【标准状态】:现行
【国别】:日本
【发布日期】:1999-01-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonMachineElements
【标准类型】:()
【标准水平】:()
【中文主题词】:螺钉;名称与符号;字母;螺纹
【英文主题词】:letters(symbols);screws(bolts);threads;designations
【摘要】:この規格は,ねじ基本に関する規格及びねじ山をもつ製品に関する規格に用いるねじの表し方について規定する。
【中国标准分类号】:J04
【国际标准分类号】:21_040_01
【页数】:8P;A4
【正文语种】:日语


【英文标准名称】:Electromagneticcompatibility(EMC)-Testingandmeasurementtechniques-Variationofpowerfrequency,immunitytest
【原文标准名称】:电磁兼容性(EMC).试验和测量技术.电源频率变化和抗扰性试验
【标准号】:BSEN61000-4-28-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-06-15
【实施或试行日期】:2000-06-15
【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】:电源频率;规范(验收);试验发电机;电气工程;低压电源;电压波动;电流表;电网;锐度;波纹;电压降;交流电压;电气设备;电气设备;干扰抑制;影响量;EMC;电力系统;测量技术;定义;试验;电磁兼容性;电子仪器;波动;中断
【英文主题词】:ACnetwork;Alternatingvoltages;Basicstandard;Currentmeters;Definition;Definitions;Degreeofsharpness;Effect;Electricpowernetworks;Electricpowersystems;Electricalappliances;Electricalengineering;Electricalequipment;Electromagneticcompatibility;Electronicinstruments;EMC;Environment;Fluctuation;Influencequantities;Interferencerejections;Interruptions;Laboratorytesting;Lowvoltagemains;Measuringtechniques;Powerfrequency;Ripple;Specification(approval);Testreports;Testing;Testingdevices;Testinggenerators;Voltagedips;Voltagefluctuations
【摘要】:ThispartofIEC61000isabasicEMC(electromagneticcompatibility)publication.Itconsidersimmunitytestsforelectricand/orelectronicequipmentinitselectromagneticenvironment.Onlyconductedphenomenaareconsidered,includingimmunitytestsforequipmentconnectedtopublicandindustrialnetworks.Theobjectofthispartistoestablishareferenceforevaluatingtheimmunityofelectricandelectronicequipmentwhensubjectedtovariationsofthepowerfrequency.Thisstandardappliestoelectricand/orelectronicequipmentconnectedto50Hzor60Hzdistributednetworkwithratedlinecurrentupto16Aperphase.Itdoesnotapplytoelectricand/orelectronicequipmentconnectedtoa.c.400Hzdistributionnetworks.TestsconcerningthesenetworkswillbecoveredbyotherIECstandards.Ingeneral,electricalandelectronicequipmentisnotsusceptibletominorvariationsofthepowerfrequency.Testingaccordingtothisstandardshouldbelimitedtoproductswhichareassessedtobesusceptibletopowerfrequencyvariationsbyvirtueofdesign,environmentorfailureconsequences.Theimmunitytestlevelsrequiredforaspecificelectromagneticenvironmenttogetherwiththeperformancecriteriaareindicatedintheproduct,productfamilyorgenericstandardsasapplicable.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:18P;A4
【正文语种】:英语