ASTM A 568/A 568M-2001 热轧及冷轧高强度低合金碳素钢薄板一般要求的标准规范

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【英文标准名称】:StandardSpecificationforSteel,Sheet,Carbon,andHigh-Strength,Low-Alloy,Hot-RolledandCold-Rolled,GeneralRequirementsfor
【原文标准名称】:热轧及冷轧高强度低合金碳素钢薄板一般要求的标准规范
【标准号】:ASTMA568/A568M-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】:规范(验收);钢;薄板材
【英文主题词】:specification(approval);sheetmaterials;steels
【摘要】:
【中国标准分类号】:H46
【国际标准分类号】:77_140_50
【页数】:28P;A4
【正文语种】:英语


【英文标准名称】:Low-voltageswitchgearandcontrolgear-Part5-2:Controlcircuitdevicesandswitchingelements-Proximityswitches
【原文标准名称】:低压开关设备和控制设备.第5-2部分:控制电路装置和开关元件.近接开关
【标准号】:IEC60947-5-2-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC17B
【标准类型】:()
【标准水平】:()
【中文主题词】:开关能力;交流电压;放大器;器具连接器;容量;特征;分类;分类系统;连接;控制电路;控制装置;控制开关;直流电接口;定义;直流电压;电控制设备;电气布线系统;电气工程;电气安全;电磁兼容性;机电的;机电装置;EMC;感应;检验;低电压;低压电器;低压开关设备;作标记;测量;测量技术;插头;特性;近接开关;传感器;规范(验收);开关;开关设备;开关操纵元件;切换频率;切换功率;测试
【英文主题词】:Abilitytoswitch;Acquisition;Activities;Ageing(materials);Alternatingfields;Alternatingvoltages;Ambienttemperature;Amplifiers;Appliancecouplers;Behaviour;Cables;Capacitive;Characteristics;Classification;Classificationsystems;Clearances;Conditions;Connections;Constantfields;Constructionrequirements;Controlcircuits;Controldevices;Controlswitches;Currents;Cylinders;Damping;DCinterface;Definitions;Degreesofprotection;Directvoltage;Discharge;Disconnection;Distances;Doorclosers;Earthconductors;Electriccontrolequipment;Electricwiringsystems;Electricalengineering;Electricalsafety;Electromagnetic;Electromagneticcompatibility;Electromagnetism;Electromechanical;Electromechanicaldevices;EMC;Evaluations;Exits;Firerisks;Frequencies;Handlings;Heat;Heating;Height;Hysteresis;Idlemode;Impulsevoltages;Indications;Inductive;Information;Inspection;Insulations;Interferingemissions;Leakagepaths;Linevoltagedrop;Loading;Longitudinalslots;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Maintenance;Marking;Materials;Measure;Measurement;Measuringtechniques;Mechanic;Metals;Mounting;Mountingconditions;Operatingconditions;Operation;Optical;Pipes;Plugs;Precision;Productinformation;Properties;Proximityswitches;Selection;Sensors;Servicevoltage;Shape;Shocks;Shortcircuits;Signals;Specification(approval);Stress;Supply;Switches;Switchgear;Switchingelements;Switchingfrequency;Switchingintervals;Switchingpower;Switching-in;Tensiletests;Testresults;Testing;Threads;Transport;Transportconditions;Types;Ultrasonics;Vibration;Voltagedrops
【摘要】:ThispartofIEC60947appliestoinductiveandcapacitiveproximityswitchesthatsensethepresenceofmetallicand/ornon-metallicobjects,ultrasonicproximityswitchesthatsensethepresenceofsoundreflectingobjects,photoelectricproximityswitchesthatsensethepresenceofobjectsandnon-mechanicalmagneticproximityswitchesthatsensethepresenceofobjectswithamagneticfield.Theseproximityswitchesareself-contained,havesemiconductorswitchingelements(s)andareintendedtobeconnectedtocircuits,theratedvoltageofwhichdoesnotexceed250V50Hz/60Hza.c.or300Vd.c.ThisStandardisnotintendedtocoverproximityswitcheswithanalogueoutputs.Theobjectofthisstandardistostateforproximityswitches:–definitions;–classification;–characteristics;–productinformation;–normalservice,mountingandtransportconditions;–constructionalandperformancerequirements;–teststoverifyratedcharacteristics.
【中国标准分类号】:K30
【国际标准分类号】:29_120_40;29_130_20
【页数】:206P;A4
【正文语种】:英语


【英文标准名称】:Safetyofinformationtechnologyequipment.
【原文标准名称】:信息技术设备的安全
【标准号】:NFC77-210-2000
【标准状态】:作废
【国别】:法国
【发布日期】:2000-10-01
【实施或试行日期】:2000-10-05
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:L04
【国际标准分类号】:35_020;35_260
【页数】:273P;A4
【正文语种】:其他