IEC 60068-2-20-1979 环境试验第2-20部分:试验试验T:锡焊

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【英文标准名称】:Environmentaltesting.Part2:Tests.TestT:Soldering
【原文标准名称】:环境试验第2-20部分:试验试验T:锡焊
【标准号】:IEC60068-2-20-1979
【标准状态】:作废
【国别】:国际
【发布日期】:1979
【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/TC104
【标准类型】:()
【标准水平】:()
【中文主题词】:环境试验;温度;试验;定义;电子设备及元件;材料试验;环境;电气工程;规范;电子工程;描述;电气元件;老化;助熔剂(材料);铜焊;电学;焊锡;钎焊;印制电路板;印制电路;软钎焊性
【英文主题词】:Ageing(materials);Brazing;Definition;Definitions;Descriptions;Electricalcomponents;Electricalengineering;Electricity;Electronicengineering;Electronicequipmentandcomponents;Environment;Environmentaltesting;Fluxes(materials);Materialstesting;Printedcircuits;Printed-circuitboards;Solderability;Solderings;Solders;Specification;Temperature;Testgroup;Testing
【摘要】:Isapplicabletoallelectricalandelectroniccomponentsliabletobesubmittedtothetestsdescribedherein.Determinestheabilityofcomponentterminationsandprintedcircuitstoweteasily,andchecksthatthecomponentitselfwillnotbedamaged
【中国标准分类号】:A21
【国际标准分类号】:19_040
【页数】:52P.;A4
【正文语种】:英语


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Product Code:SAE AMS6372
Title:Steel Tubing, Mechanical, 0.95Cr - 0.20Mo (0.33 - 0.38C) (SAE 4135)
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:This specification covers an aircraft-quality, low-alloy steel in the form of mechanical tubing.【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsandsoundenergylevelsofnoisesourcesusingsoundpressure-Engineeringmethodsforanessentiallyfreefieldoverareflectingplane.
【原文标准名称】:声学.使用声压进行噪声源的声音功率级测定.反射面上方自由场的工程法
【标准号】:NFS31-025-2012
【标准状态】:现行
【国别】:法国
【发布日期】:2012-02-01
【实施或试行日期】:2012-02-04
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Calibration;Definitions;Determination;Earprotectors;Envelopingsurfacemethods;Environment;Ergonomics;Externalnoise;Fixings;Installations;Mathematicalcalculations;Measurement;Measurementduration;Measuringinstruments;Measuringsurfaces;Measuringtechniques;Methods;Methodsofcalculation;Microphones;Noise;Noise(environmental);Noisemeasurements;Noisesources;Operation;Precision;Reflective;Rooms;Sound;Soundabsorption;Soundfields;Soundlevel;Soundlevels;Soundpower;Soundpressure;Soundsources;Specification(approval);Standarddeviation;Testequipment;Testing;Testingconditions
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:90P;A4
【正文语种】:其他