【英文标准名称】:StandardTestMethodforEvaluationofLargeAreaDensityandBackgroundonOfficeCopiers
【原文标准名称】:办公室复印机大范围浓度和底色评定用测试方法
【标准号】:ASTMF875-1994(2003)e1
【标准状态】:现行
【国别】:
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F05.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:办公室设备;复制设备;浓度;试验
【英文主题词】:copierbackground;copierimagedensity;imagequality
【摘要】:Thecopyimagequalityisaffectedbymanyfactors;includingthecopier,supplies,andenvironmentalconditions.Thedensityandbackgroundimagequalityisparticularlysignificantrelativetoaestheticappearance,thevisualimpressionofblackness,andtheabilitytodistinguishinformationfrombackground.Thetesttargetmayalsobeusedtoevaluatethecopierorsupplies.1.1Thistestmethodcoversthedescriptionandmethodofuseforadensityandbackgroundtesttargetforofficecopierimageevaluation.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection8.
【中国标准分类号】:N47
【国际标准分类号】:37_100_10
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:Welding-Acceptanceinspectionofelectronbeamweldingmachines-Part2:Measurementofacceleratingvoltagecharacteristics
【原文标准名称】:焊接电子束焊接机的验收检验第2部分:加速电压特性的测量
【标准号】:ISO14744-2-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-04
【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/TC44
【标准类型】:()
【标准水平】:()
【中文主题词】:焊接设备;验收检验;电子束焊;焊接;熔焊;验收规范;焊机;电子束;电压测量;测量;测量;加速度;电焊;加速电压
【英文主题词】:Acceleratingvoltage;Acceleration;Acceptanceinspection;Acceptancespecification;Beamcurrent;Definitions;Electricwelding;Electricalmeasurement;Electronbeams;Electron-beamwelding;Fusionwelding;Inspection;Measurement;Measuring;Ratings;Speed;Testing;Tolerances(measurement);Voltage;Voltagemeasuring;Welding;Weldingengineering;Weldingequipment;Weldingmachines;Weldingparameters
【摘要】:ThisstandardisintendedforusewhenthecharacteristicsoftheacceleratingvoltageofelectronbeamweldingmachinescomplyingwithENISO14744-1istobemeasuredinconnectionwithanaceptanceinspection.Itprovidesessentialinformationontheprocedureandapparatustobeusedformakingthemeasurements.Theacceleratingvoltageisoneofthesignificantparametersinelectronbeamwelding.Whenacceleratingtheelectrons,thevoltageshouldbestableandreproduciblewithingivenshort-termandlong-termlimits.Thepurposeofthemeasurementisthustocheckwhetherthevariationsinacceleratingvoltagearewithinspecifiedlimits.
【中国标准分类号】:J64
【国际标准分类号】:25_160_30
【页数】:4P.;A4
【正文语种】:英语