ASTM C 1498-2001 建筑材料的吸湿等热性的标准试验方法
作者:标准资料网 时间:2024-05-08 11:25:57 浏览:9730
来源:标准资料网
【英文标准名称】:StandardTestMethodforHygroscopicSorptionIsothermsofBuildingMaterials
【原文标准名称】:建筑材料的吸湿等热性的标准试验方法
【标准号】:ASTMC1498-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:testing;buildingmaterials;compositematerials;physicalproperties
【摘要】:
【中国标准分类号】:P33
【国际标准分类号】:91_120_30
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:Semiconductorconverters.Generalrequirementsandlinecommutatedconverters.Part1-1:Specificationofbasicrequirements
【原文标准名称】:半导体变流器.总要求和线路整流转换器.第1-1部分:基本要求规范
【标准号】:BSEN60146-1-1-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-08-31
【实施或试行日期】:2010-08-31
【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】:电容性负载;电容器;扼流圈;断路器;电路;分类系统;组件;定义(术语);效率;电力变换器;电气工程;电绝缘;电气安全性;电气测试;电磁兼容性;电子工程;电子设备及元件;电磁兼容性(EMC);工作环境;检验;逆变器;电网换流;作标记;性能测试;电力电子学;功率损耗;防电击;质量控制;额定电流;额定值;整流二极管;整流器;半导体器件;半导体二极管;半导体工程;半导体功率转换器;半导体整流器;半导体;静态变换器;温升;试验;半导体闸流管;变压器;晶体管;定型试验;阀门
【英文主题词】:Capacitiveloads;Capacitors;Chokes(electric);Circuit-breakers;Circuits;Classificationsystems;Components;Definitions;Efficiency;Electricconvertors;Electricalengineering;Electricalinsulation;Electricalsafety;Electricaltesting;Electromagneticcompatibility;Electronicengineering;Electronicequipmentandcomponents;EMC;Environment(working);Inspection;Inverters;Linecommutation;Marking;Performancetesting;Powerelectronics;Powerlosses;Protectionagainstelectricshocks;Qualitycontrol;Ratedcurrent;Ratings;Rectifierdiodes;Rectifiers;Semiconductordevices;Semiconductordiodes;Semiconductorengineering;Semiconductorpowerconvertors;Semiconductorrectifiers;Semiconductors;Staticconvertors;Temperaturerise;Testing;Thyristors;Transformers;Transistors;Typetesting;Valves
【摘要】:ThisInternationalStandardspecifiestherequirementsfortheperformanceofallsemiconductorpowerconvertersandsemiconductorpowerswitchesusingcontrollableand/ornon-controllableelectronicvalvedevices.Theelectronicvalvedevicesmainlycomprisesemiconductordevices,eithernotcontrollable(i.e.rectifierdiodes)orcontrollable(i.e.thyristors,triacs,turn-offthyristorsandpowertransistors).Thecontrollabledevicesmaybereverseblockingorreverseconductingandcontrolledbymeansofcurrent,voltageorlight.Non-bistabledevicesareassumedtobeoperatedintheswitchedmode.Thisstandardisprimarilyintendedtospecifythebasicrequirementsforconvertersingeneralandtherequirementsapplicabletolinecommutatedconvertersforconversionofa.c.powertod.c.powerorviceversa.Partsofthisstandardarealsoapplicabletoothertypesofelectronicpowerconverterprovidedthattheydonothavetheirownproductstandards.Thesespecificequipmentrequirementsareapplicabletosemiconductorpowerconvertersthateitherimplementpowerconversionorusecommutation(forexamplesemiconductorselfcommutatedconverters)orinvolveparticularapplications(forexamplesemiconductorconvertersford.c.motordrives)orincludeacombinationofsaidcharacteristics(forexampledirectd.c.convertersforelectricrollingstock).Thisstandardisapplicabletoallpowerconvertersnotcoveredbyadedicatedproductstandard,orifspecialfeaturesarenotcoveredbythededicatedproductstandard.DedicatedproductstandardsforpowerconvertersshouldrefertothisInternationalStandard.NOTE1ThisstandardisnotintendedtodefineEMCrequirements.Itcoversallphenomenaandthereforeintroducesreferencestodedicatedstandardswhichareapplicableaccordingtotheirscope.NOTE2Alargepartofthisstandard,particularlyforpowertransformers,iscoveredinIEC61378-1.
【中国标准分类号】:K46
【国际标准分类号】:29_045;29_200
【页数】:100P.;A4
【正文语种】:英语
【英文标准名称】:Strengthgradingofwood-Part1:Coniferoussawntimber
【原文标准名称】:木材的强度分级.第1部分:针叶树锯材
【标准号】:DIN4074-1-2008
【标准状态】:作废
【国别】:德国
【发布日期】:2008-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分类系统;分类;建筑;施工材料;定义;名称与符号;尺寸;荷载能力;作标记;质量;质量保证;质量状态;锯材;软木;分类等级;建筑用木料;原木材;视觉的;木材;木材技术
【英文主题词】:Classificationsystems;Classifications;Construction;Constructionmaterials;Definition;Definitions;Designations;Dimensions;Loadcapacity;Marking;Quality;Qualityassurance;Qualitycondition;Sawntimber;Softwoods;Sortingclasses;Structuraltimber;Timberinlogs;Visual;Wood;Woodtechnology
【摘要】:
【中国标准分类号】:B69
【国际标准分类号】:79_040
【页数】:23P;A4
【正文语种】:德语
