ISO 7884-8-1987 玻璃粘度和粘度固定点第8部分:(膨胀)曲线转变温度的测定
时间:2024-04-27 22:35:19 来源: 标准资料网 作者：标准资料网 阅读：9864
【英文标准名称】:Glass;Viscosityandviscometricfixedpoints;Part8:Determinationof(dilatometric)transformationtemperature
【原文标准名称】:玻璃粘度和粘度固定点第8部分:(膨胀)曲线转变温度的测定
【标准号】:ISO7884-8-1987
【标准状态】:现行
【国别】:国际
【发布日期】:1987-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC48
【标准类型】:()
【标准水平】:()
【中文主题词】:玻璃;试验;热力学性质;膨胀计测定法;测定;粘度
【英文主题词】:Definitions;Determination;Dilatometers;Dilatometry;Glass;Meltingpoint;Rawmaterials;Softening-pointdetermination;Temperature;Testequipment;Testing;Thermalexpansion;Thermalpropertiesofmaterials;Thermodynamicproperties;Viscosity
【摘要】:Thetemperaturecharacterizesacertainglasstransitionrangefromtheelasticbrittle(lowtemperature)statetotheviscous(hightemperature)stateofglass.Itisusedforspecifyingcoolingprogrammes.Thetransformationtemperatureisdeterminedbymeasuringthechangeinlength,relatedtothelengthatintialtemperature,ofarodmadefromtheglassundertestwithtemperature.Therelativechangeinlengthisplottedagainstthetemperature(dilatometercurve).Fromthisdilatometercurvethetransformationtemperatureisdeterminedbyagraphicprocedureasshowninadiagramm.
【中国标准分类号】:Q30
【国际标准分类号】:81_040_10
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:Low-voltageswitchgearandcontrolgear-Part2:circuit-breakers.
【原文标准名称】:低压开关设备和控制装置.第2部分:断路器
【标准号】:NFC63-120-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-11-01
【实施或试行日期】:2006-11-20
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:228P;A4
【正文语种】:其他
【英文标准名称】:Low-voltageswitchgearandcontrolgear-Part5-3:Controlcircuitdevicesandswitchingelements-Requirementsforproximitydeviceswithdefinedbehaviourunderfaultconditions(PDF)
【原文标准名称】:低压开关设备和控制设备第5-3部分:控制电路器件和切换元件在故障条件下具有规定功能的接近开关(PDE)的要求
【标准号】:IEC60947-5-3-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-03
【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】:接近开关;低压设备;开关设备;低压开关设备;电控制设备;近接开关;控制装置;规范(验收);电气工程;低电压
【英文主题词】:Acquisition;Activities;Ageing(materials);Alternatingfields;Alternatingvoltages;Ambienttemperature;Appliancecouplers;Assessmentofdefects;Behaviour;Cables;Capacitive;Characteristics;Classificationsystems;Clearances;Computersoftware;Conditions;Connections;Constantfields;Constructionrequirements;Controldevices;Controlequipment;Currents;Cylinders;Damping;Defects;Definitions;Degreesofprotection;Directvoltage;Discharge;Disconnection;Distances;Doorclosers;Earthconductors;Electriccontrolequipment;Electricwiringsystems;Electricalengineering;Electromagnetic;Electromagneticcompatibility;Electromagnetism;EMC;Evaluations;Exits;Firerisks;Frequencies;Functions;Handlings;Heat;Heating;Height;Hysteresis;Idlemode;Immunity;Impulsevoltages;Indications;Inductive;Information;Insulations;Interferingemissions;Leakagepaths;Linevoltagedrop;Loading;Longitudinalslots;Lowvoltage;Low-voltageequipment;Low-voltageswitchgear;Maintenance;Marking;Materials;Measure;Measurement;Measuringtechniques;Mechanic;Metals;Mounting;Operation;Optical;Pipes;Plugs;Precision;Probableerrors;Productinformation;Programming;Properties;Proximityswitches;Selection;Servicevoltage;Shape;Shocks;Shortcircuits;Signals;Software;Specification(approval);Stress;Supply;Switches;Switchgear;Switchingelements;Switchingfrequency;Switchingintervals;Switching-in;Tensiletests;Testresults;Testing;Threads;Transport;Types;Ultrasonics;Vibration;Voltagedrops
【摘要】:ThispartofIEC60947appliestoproximitydeviceswithanenhancedresistancetofailure(PDF).ItspecifiesrequirementsforfourdifferenttypesofPDF.NOTEDuetotheirenhancedresistancetofailure,PDFsapplyforinstanceto:-interlockingdevices(seeISO14119);-thedetectionofthepresenceorabsenceofprotectivedevices(seeISO/TR12100-1).ForaPDFusedinapplicationswhereadditionalcharacteristics,dealtwithinotherstandards,arerequired,itwillbenecessarytosatisfytherequirementsofallrelevantstandards.
【中国标准分类号】:K31
【国际标准分类号】:29_130_20
【页数】:57P.;A4
【正文语种】:英语