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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 40331.2-2021 |
Crop protection equipment—Spray deposition test for field crop—Part 2:Measurement in a crop 植物保护机械 大田作物喷雾沉积量的测试 第2部分：在作物上的测试 |
China National Standards 2:Measurement |
 English PDF |
| GB/T 15972.42-2021 |
Specifications for optical fibre test methods—Part 42:Measurement methods and test procedures for transmission characteristics—Chromatic dispersion 光纤试验方法规范 第42部分：传输特性的测量方法和试验程序 波长色散 |
China National Standards 2:Measurement |
English PDF |
| GB/T 7308.2-2021 |
Plain bearings—Thin-walled half bearings with or without flange—Part 2:Measurement of wall thickness and flange thickness 滑动轴承 有法兰或无法兰薄壁轴瓦 第2部分:轴瓦壁厚和法兰厚度测量 |
China National Standards 2:Measurement |
English PDF |
| GB/T 21451.2-2019 |
Petroleum and liquid petroleum products—Measurement of level and temperature in storage tanks by automatic methods—Part 2:Measurement of level in marine vessels 石油和液体石油产品 储罐中液位和温度自动测量法 第2部分: 油船舱中的液位测量 |
China National Standards 2:Measurement |
English PDF |
| GB/T 19956.2-2005 |
Positive-displacement cacuum pumps-Measurement of performance characteristics Part2:Measurement of ultimate pressure 容积真空泵性能测量方法 第2部分：极限压力的测量 |
China National Standards 2:Measurement |
English PDF |
| GB/T 19955.2-2005 |
Vapour vacuum pumps-Measurement of performance characteristics Part2:Measurement of critical backing pressure 蒸汽流真空泵性能测量方法 第2部分：临界前级压力的测量 |
China National Standards 2:Measurement |
English PDF |
| GB/T 18699.2-2002 |
Acoustics--Determination of sound insulation performances of enclosures--Part 2:Measurements in situ (for acceptance and verification purposes) 声学 隔声罩的隔声性能测定 第2部分:现场测量(验收和验证用) |
China National Standards 2:Measurement |
English PDF |
| GB/T 16404.2-1999 |
Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 2:Measurement by scanning 声学 声强法测定噪声源的声功率级 第2部分:扫描测量 |
China National Standards 2:Measurement |
English PDF |
| GB/T 4958.17-1992 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section six--Diversity，twin-path and hot stand-by equipment 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第六节 分集、双路和热备用设备 |
China National Standards 2:Measurement |
English PDF |
| GB/T 4958.16-1992 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section three--R.F. branching networks 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第三节 射频分支网络 |
China National Standards 2:Measurement |
English PDF |
| GB/T 11299.9-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section seven:Frequency demodulators--Section eight:Frequency demodulators 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第七节:频率调制器 第八节:频率解调器 |
China National Standards 2:Measurement |
English PDF |
| GB/T 11299.8-1989 |
Methods of measuremant for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section four:Up and down converters 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第四节:上变频器和下变频器 |
China National Standards 2:Measurement |
English PDF |
| GB/T 11299.6-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section one:General--Section two:Antenna(inculuding feed network) 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第一节:概述 第二节:天线(包括馈源网络) |
China National Standards 2:Measurement |
English PDF |
| GB/T 11299.10-1989 |
Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section ten:High-power amplifier 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第十节:高功率放大器 |
China National Standards 2:Measurement |
English PDF |
| GB/T 4958.8-1988 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section eight--Radio receivers 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第八节 接收机 |
China National Standards 2:Measurement |
English PDF |
| GB/T 4958.7-1988 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section seven--Radio trsnsmitters 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第七节 发射机 |
China National Standards 2:Measurement |
English PDF |
| GB/T 4958.6-1988 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section five--Frequency demodulators 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第五节 频率解调机 |
China National Standards 2:Measurement |
English PDF |
| GB/T 4958.5-1988 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section four--Frequency modulators 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第四节 频率调制机 |
China National Standards 2:Measurement |
English PDF |
| GB/T 4958.4-1988 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section one--General 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第一节 通则 |
China National Standards 2:Measurement |
English PDF |
| GB/T 6667-1986 |
Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section two:measurements in the antennas and passive repeaters 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第二节 天线和无源转向器的测量 |
China National Standards 2:Measurement |
English PDF |
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