GB/T 4324.7-1984 钨化学分析方法 钴试剂光度法测定钴量
作者:标准资料网 时间:2024-05-19 13:31:01 浏览:8854
来源:标准资料网
基本信息
| 标准名称： | 钨化学分析方法 钴试剂光度法测定钴量 |
| 英文名称： | Methods for chemical analysis of tungsten;The 5-cl-PADAB photometric method for the determination of cobalt content |
| 中标分类： |
冶金 >>
金属化学分析方法 >>
稀有金属及其合金分析方法 |
| ICS分类： |
冶金 >>
黑色金属
|
| 替代情况： | 替代SJ/Z 325-1972;被GB/T 4324.7-2012代替 |
| 发布部门： | 中国有色金属工业协会 |
| 发布日期： | 1984-04-12 |
| 实施日期： | 1985-03-01 |
| 首发日期： | 1984-04-12 |
| 作废日期： | 2013-10-01 |
| 主管部门： | 中国有色金属工业协会 |
| 归口单位： | 全国有色金属标准化技术委员会 |
| 起草单位： | 株州硬质合金厂 |
| 出版日期： | 1900-01-01 |
| 页数： | 3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： 冶金 金属化学分析方法 稀有金属及其合金分析方法 冶金 黑色金属
【英文标准名称】:Specificationforlow-voltageswitchgearandcontrolgear-Controlcircuitdevicesandswitchingelements-Electromechanicalcontrolcircuitdevices
【原文标准名称】:低压开关设备和控制设备规范.控制电路器件和切换元件.机电控制电路器件
【标准号】:BSEN60947-5-1-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-06-28
【实施或试行日期】:2004-06-28
【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】:安全组件;低电压;低压电器;机电的;控制开关;电磁兼容性;开关;机电装置;电控制设备;触点元件;机械链接;规范(验收);开关操纵元件;电气工程;定义;控制装置;低压开关设备;试验;特性;控制设备;开关设备
【英文主题词】:Acquisition;Activities;Ageing(materials);Alternatingfields;Alternatingvoltages;Ambienttemperature;Appliancecouplers;Behaviour;Cables;Capacitive;Characteristics;Classificationsystems;Clearances;Conditions;Connections;Constantfields;Constructionrequirements;Contactelement;Controldevices;Controlequipment;Controlswitches;Currents;Cylinders;Damping;Definitions;Degreesofprotection;Directvoltage;Discharge;Disconnection;Distances;Doorclosers;Earthconductors;Electriccontrolequipment;Electricalengineering;Electromagnetic;Electromagneticcompatibility;Electromagnetism;Electromechanical;Electromechanicaldevices;EMC;Englishlanguage;Evaluations;Exits;Firerisks;Frenchlanguage;Frequencies;Handlings;Heat;Heating;Height;Hysteresis;Idlemode;Impulsevoltages;Indications;Inductive;Information;Insulations;Interferingemissions;Leakagepaths;Linevoltagedrop;Loading;Longitudinalslots;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Maintenance;Marking;Materials;Measure;Measurement;Measuringtechniques;Mechanic;Mechanicallinkages;Metals;Mounting;Operation;Optical;Pipes;Plugs;Precision;Productinformation;Properties;Proximityswitches;Qualificationtests;Routinechecktests;Safetycomponents;Selection;Servicevoltage;Shape;Shocks;Shortcircuits;Signals;Specification(approval);Stress;Supply;Switches;Switchgear;Switchingelements;Switchingfrequency;Switchingintervals;Switching-in;Tensiletests;Testresults;Testing;Testingconditions;Threads;Transport;Types;Ultrasonics;Vibration;Voltagedrops
【摘要】:ThispartofIEC60947appliestocontrolcircuitdevicesandswitchingelementsintendedforcontrolling,signalling,interlocking,etc.,ofswitchgearandcontrolgear.Itappliestocontrolcircuitdeviceshavingaratedvoltagenotexceeding1000Va.c.(atafrequencynotexceeding1000Hz)or600Vd.c.However,foroperationalvoltagesbelow100Va.c.ord.c,seenote2of4.3.1.1.Thisstandardappliestospecifictypesofcontrolcircuitdevicessuchas:-manualcontrolswitches,forexamplepushbuttons,rotaryswitches,footswitches,etc.;-electromagneticallyoperatedcontrolswitches,eithertime-delayedorinstantaneous,forexamplecontactorrelays;-pilotswitches,forexamplepressureswitches,temperaturesensitiveswitches(thermostats),programmers,etc.;-positionswitches,forexamplecontrolswitchesoperatedbypartofamachineormechanism;-associatedcontrolcircuitequipment,forexampleindicatorlights,etc.NOTE1Acontrolcircuitdeviceincludes(a)controlswitch(es)andassociateddevicessuchas(an)indicatorlight(s).NOTE2Acontrolswitchincludes(a)switchingelement(s)andanactuatingsystem.NOTE3Aswitchingelementmaybeacontactelementorasemiconductorelement.Italsoappliestospecifictypesofswitchingelementsassociatedwithotherdevices(whosemaincircuitsarecoveredbyotherstandards)suchas:-auxiliarycontactsofaswitchingdevice(e.g.contactor,circuitbreaker,etc.)whicharenotdedicatedexclusivelyforusewiththecoilofthatdevice;-interlockingcontactsofenclosuredoors;-controlcircuitcontactsofrotaryswitches;-controlcircuitcontactsofoverloadrelays.ContactorrelaysshallalsomeettherequirementsandtestsofIEC60947-4-1exceptfortheutilizationcategorywhichshallcomplywiththisstandard.ThisstandarddoesnotincludetherelayscoveredinIEC60255orautomaticelectricalcontroldevicesforhouseholdandsimilarpurposes.Thecolourrequirementsofindicatorlights,pushbuttons,etc.,arefoundinIEC60073andalsoinpublication2oftheInternationalCommissionofIllumination(CIE).Theobjectofthisstandardistostate:a)Thecharacteristicsofcontrolcircuitdevices.b)Theelectricalandmechanicalrequirementswithrespectto:1)Thevariousdutiestobeperformed.2)Thesignificanceoftheratedcharacteristicsandofthemarkings.3)Theteststoverifytheratedcharacteristics.c)Thefunctionalrequirementstobesatisfiedbythecontrolcircuitdeviceswithrespectto:1)Environmentalconditions,includingthoseofenclosedequipment.2)Dielectricproperties.3)Terminals.
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:94P;A4
【正文语种】:英语
【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponentsperformancestandard-Part053-3:continouslyvariableattenuatorsforcategoryU-Uncontrolledenvironment.
【原文标准名称】:纤维光学互连器件和无源元件性能标准.第053-3部分:U类连续可变衰减器.非受控环境
【标准号】:NFC93-909-053-3-2004
【标准状态】:现行
【国别】:法国
【发布日期】:2004-07-01
【实施或试行日期】:2004-07-05
【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】:电插头;电气工程;单模纤维;组件;电子设备及元件;光纤;光波导;玻璃纤维电缆;性能;初始验证;连接工艺;环境条件;最低要求;电缆;测量;紧固件;试验;规范(验收);衰减器
【英文主题词】:
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:18P;A4
【正文语种】:其他
