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  • 服务由 质检出版社 提供

    GB/T 16920-2015 - 中外标准 - - 2015/12 - 现行
    本标准规定了弹性固体玻璃的平均线热膨胀系数测定方法。 本标准适用于各种材质玻璃平均线热膨胀系数的测定。
  • QB/T 2437-2015 - 中外标准 - - 2015/10 - 现行
    本标准规定了啤酒计量杯的产品规格、要求、试验方法、检验规则和标志、包装、运输、贮存。本标准适用于具有容量标志的盛装啤酒的玻璃容器。
  • ASTM D3404-2015 - 中外标准 - - 2015/4 - 现行
    manometermatric potentialporous cuppressure sensorsoil watertensiometervacuum gaugevadose zone
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    GB/T 30991-2014 - 中外标准 - - 2014/7 - 现行
    本标准规定了智能氧弹式热量计的术语、使用条件、要求、试验方法、检验规则、标志、包装、运输及贮存。
  • DIN 45657-2014 - 中外标准 - - 2014/6 - 现行
    Acoustic equipmentAcoustic measurementAcousticsDefinitionsElectrical engineeringEvaluationsFrequency weightingInspectionLevel frequencyMeasurementMeasuring equipmentMeasuring instrumentsMeasuring uncertaintyMetrologyPulse maximum levelsSound intensitySound pressure levelSound-level metersSpecification (approval)TestingTime intervalsSound levelsMeasurement, testing and instruments
  • DIN EN 61672-2-2014 - 中外标准 - - 2014/6 - 现行
    Acoustic measurementAcoustic properties and phenomenaAcoustic testingAcousticsElectrical engineeringElectrical propertiesElectrical properties and phenomenaElectrical testingElectroacousticsEnvironmental conditionError limitsFeaturesFrequenciesFrequency measurementInfluencesMarkingMeasurementMeasuring instrumentsMeasuring techniquesNoise control (acoustic)Noise (environmental)Noise measurementsOccupational safetyPollution controlPrecisionPropertiesSound exposureSound levelsSound pressure levelSound-level metersSpecificationSpecification (approval)TestingType testingSound intensity
  • DIN EN 61672-1-2014 - 中外标准 - - 2014/6 - 现行
    Acoustic measurementAcoustic properties and phenomenaAcoustic testingAcousticsDefinitionsElectrical engineeringElectrical propertiesElectrical properties and phenomenaElectrical testingElectroacousticsError limitsFeaturesFrequenciesFrequency measurementMarkingMeasurementMeasuring instrumentsMeasuring techniquesNoise control (acoustic)Noise (environmental)Noise measurementsOccupational safetyPollution controlPrecisionPropertiesSound exposureSound levelsSound pressure levelSound-level metersSpecificationSpecification (approval)TestingSound intensity
  • ASTM E1237-1993(2014) - 中外标准 - - 2014/4 - 现行
  • ASTM E1561-1993(2014) - 中外标准 - - 2014/4 - 现行
    bending strainMohr&x0027s circle for strainrosetteshear strainstrainstrain gagestensile strain
  • ASTM E251-1992(2014) - 中外标准 - - 2014/4 - 现行
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