| 1. | Measurements of the electrical properties of transmitting tubes - measuring methods of cathode emission current 发射管电性能测试方法阴极发射电流的测试方法 |
| 2. | Measurements of the electrical properties of transmitting tubes - measuring methods of grid thermo - emission current 发射管电性能测试方法栅极热放射电流的测试方法 |
| 3. | Measurements of electrical properties of electronic tubes ; methods of measurement of emission current from hot cathodes for high - vacuum electronic tubes and valves 电子管电气性能测试.第14部分:高真空电子管加热阴极 |
| 4. | Measurements of the electrical properties of electronic tubes . part 13 : methods of measurement of emission current from hot cathodes for high - vacuum electronic tubes and valves 电子管电性能的测量.第13部分:高真空电子管热阴极发射电流的测量方法 |
| 5. | 2 . after studying the relevant basic theories , the relationship between the field emission current and the work function of semiconductor and the temperature is analyzed 2 、研究了真空微电子压力传感器的相关基础理论,从理论上分析了半导体场致发射电流与半导体功函数及其与温度的关系。 |
| 6. | Static - electric field of spindt cathode was analyzed and then field emission current was simulated . the method could direct the fabrication of spindt cathode . how the aspect ration and site density of cnts effect the field enhancement factor were also analyzed 对碳纳米管的顶端电场进行了计算,分析了其长径比和生长密度对电场增强因子的影响,进而可以对场发射实验进行指导。 |
| 7. | In this paper we seek to report on a novel method of utilizing field emission in acceleration sensor . emission currents are directly related to , among other parameters , the distance separating the emission cathode and anode 本论文围绕真空微电子加速度传感器的相关基础理论和关键制造技术进行了较系统深入的研究,重点研究了集成真空微电子加速度传感器的结构、工作原理、力学、电学特性等。 |
| 8. | The structure of field emission triode is first simulated by magic . the tip height , tip position , tip curvature , gate aperture , and gate voltage are changed , to observe the emission current and the electron congregation 本课题首先采用magic软件对三极管结构的尖锥场发射阴极进行了模拟计算,分别改变尖锥高度,锥尖位置,尖锥曲率半径,栅极孔径及栅极电压,观察阳极收集电流及电子束的会聚情况。 |
| 9. | Transient electromagnetic methods ( tem ) can be called as time domain electromagnetic methods . the exploration equipments of tem include two units : transmitter and receiver . emission current falls down from i to 0 suddenly when step current passes through the transmitter loop 瞬变电磁探测需要发射的电流激励信号要足够强、功率足够大,发射电流波形的关断时间要求比较苛刻,而且发射部分还需提供实时监测发射电流、关断时间,记录电流下降沿等功能。 |
| 10. | Due to their high aspect ratios and small tip radii of curvature , carbon nanotubes possess marvelous electron field emission properties , viz . low turn - on voltage ( e0 ) and large emission current density ( je ) , and have good potential for using as materials in electron emitters of flat panel display 由于奈米碳管具有极高的纵横比与极小的尖端曲率半径,因此奈米碳管有著超乎常态的电子场发射特性,低的场发射起始电压与大的场发射电流密度,使其为电子场发射平面显示器的良好材料。 |