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LY/T 2030-2012落叶收集法快速测定落叶天然林叶面积指数的技术规程Technical regulation of rapid measurement of l...2022-06-10

GB/T 19322.3-2017小艇机动游艇空气噪声第3部分:用计算和测量程序进行噪声评估Small craft—Airborne sound emi...2022-06-10

SJ 3244.5-1989砷化镓和磷化铟材料补偿度的测试方法Methods of measurement for compensation degree of Gallium ar...2022-06-10

GB/T 18737.8-2009纺织机械与附件.经轴.第8部分:跳动公差的定义和测量方法Textile machinery and accessories - Bea...2022-06-10

GB/T 33672-2017大气甲烷光腔衰荡光谱观测系统Cavity Ring-Down Spectroscopy system for measurement of atmospher...2022-06-10

SJ 20400-1994低副瓣平板裂缝天线性能近场测试方法Methods of near-field measurement for planar waveguide-fed sl...2022-06-10

SJ/T 11206-1999磁性氧化物制成的双孔及多孔磁芯测量方法Measurement method of double-aperture and multi-apertur...2022-06-10

GB/T 3449-2011声学.轨道车辆内部噪声测量Acoustics—Measurement of noise inside railbound vehicles...2022-06-10

GB/T 1553-2009硅和锗体内少数载流子寿命测定光电导衰减法Test methods for minority carrier lifetime in bulk ger...2022-06-10

GB/T 24622-2009绝缘子表面湿润性测量导则Guidance on the measurement of wettability of insulator surfaces...2022-06-10

GB/T 28543-2012电力电容器噪声测量方法Noise measurement of power capacitors2022-06-09

GB/T 16921-2005金属覆盖层覆盖层厚度测量 X射线光谱法Metallic coatings-Measurement of coating thickness-X-ra...2022-06-09

GB/T 20018-2005金属与非金属覆盖层覆盖层厚度测量 β射线背散射法Metallic and non-metallic coatings—Measurem...2022-06-09

GB/T 19889.5-2006声学.建筑和建筑构件隔声测量.第5部分:外墙构件和外墙空气声隔声的现场测量Acoustics―Measuremen...2022-06-09

SJ 20129-1992金属镀覆层厚度测量方法Methods for measurement of metallic coating thickness2022-06-09

SJ 2784-1987调度电话总机测试方法Methods of measurement for dispatching telephone main stations2022-06-09

JG/T 242-2009建筑遮阳产品操作力试验方法Blinds and shutters—Measurement of operating force—Test methods...2022-06-08

GB/T 24957-2010冷冻轻烃流体船上膜式储罐和独立棱柱形储罐的校准物理测量法Refrigerated light hydrocarbon flui...2022-06-08

GB/T 20307-2006纳米级长度的扫描电镜测量方法通则General rules for nanometer-scale lengthmeasurement by SEM...2022-06-08

GB/T 17682-1999矿山杂散电流的测定The measurement of stray current in mines2022-06-08

GB/T 18311.4-2003纤维光学互连器件和无源器件基本试验和测量程序第3-4部分;检查和测量-衰减Fibre optic interco...2022-06-08

GB 14763-2005装用点燃式发动机重型汽车.燃油蒸发污染物排放限值及测量方法(收集法)Limits and measurement methods...2022-06-06

SJ/Z 9010.16-1987电子管电性能的测试第16部分：电视显像管测试方法Measurements of electrical properties of elect...2022-06-06

GB/T 25749.6-2012机械安全.空气传播的有害物质排放的评估.第6部分：测量带导管出口的空气净化系统质量分离效率的试验...2022-06-06

SJ 382-1973反射速调管频率的可重调性的测试方法Measurement of frequency resettability of reflex klystrons...2022-06-06

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