海岸电台高频无线电话频道干扰的计算方法
Interference calculation methods of coast radiotelephone station operating in high frequency bands
检测标准
演播室数字电视编码参数规范
The specifications of encoding parameters of digital television for studio
橡胶用造粒炭黑 第4部分:堆积强度的测定
Rubber compounding ingredients-Pelletized carbon black-Part 4:Determination of mass strength
电子和通信设备用变压器和电感器 第3部分:按能力批准程序评定 质量的电源变压器分规范
Transformers and inductors for use in electronic and telecommunication equipment-Part 3:Sectional specification for power transformers on the basisnof the capability approval procedure
橡胶用造粒炭黑 第5部分:颗粒尺寸分布的测定
Rubber compounding ingredients-Pelletized carbon black-Part 5:Determination of pellet size distribution
橡胶用造粒炭黑 第1部分:倾注密度的测定
Rubber compounding ingredients-Pelletized carbon black-Part 1:Determination of pour density
电子工业用气体 磷化氢
Gas for electronic industry-Phosphine
橡胶用造粒炭黑 第6部分:单个颗粒破碎强度的测定
Rubber compounding ingredients-Pelletized carbon black-Part 6:Determination of individual pellet crushing strength
工作直接日射表的校准方法
Calibration of field pyrheliometers
半导体集成电路封装结到外壳热阻测试方法
Junction-to-case thermal resistance test methods of packages for semiconductor integrated circuits
