查询词典 semiconductor diode

A novel high power microwave detector is investigated, which is based on the characteristics of thermionic diode.

主要给出了波导型的X波段大功率微波探测器的结构、标定方法和标定结果。

Widely used analytical Gaussian distribution model predicted that the I-V-T curves may intersect with the possibility of negative thermal activation of current, but it is contradictory to the thermionic emission mechanism in a Schottky diode.

被广泛应用的具有解析表达式的高斯分布模型预言I-V-T曲线会相交，即电流有可能具有负的热激发特性，但这违反了肖特基二极管热发射输运机制。

A diode-type electron gun is used to investigate the DC emitting characteristics of a single crystal LaB6 thermionic cathode.

实验利用二极管型电子枪研究了单晶LaB6热阴极的直流发射特性。

The simulation results show that the three models are all selfconsistent with electromagnetic field. Gauss law model tends to be affected by the width of the first cell and yield nonphysical oscillation. 1D diode model with reasonable discrete grid gets almost the same results as Child law model, but it needs to solve a transcendental equation, which would cost much time.

模拟结果表明，三种模型都能与电磁场自洽并反映外加磁场对发射电流的影响，但高斯定律模型受网格剖分粗细程度的影响较大且容易产生振荡，一维二极管模型在网格参数合理的情况下结果与查尔特定律模型基本接近，但需要求解超越方程，花费时间多。

I am engaged in diode, triode, voltage regulator tubes Product research, development, and production and supply, with the most advanced production equipment and strong technology development strength and experience of large-scale production.

我公司从事二极管，三极管，稳压管产品的研究，开发，及生产及供应，拥有最先进的生产设备和雄厚的技术开发实力及大规模生产经验。

Product sub-discharge diode and triode, various series of the many specifications can also be tailor-made for you.

放电管产品分二极管与三极管，各种系列规格众多，也可以为您量身定做。

How to use the table to determine the diode triode file?

如何用数字表的二极管档去判断三极管？

The diode consists of a tungsten filament, which gives off electrons when it is heated, and a plate toward which the electrons migrate when the field is in the right direction.

二极管由一根钨丝和一个极板组成，钨丝受热时就放出电子；当电场方向为正时，这些电子就移向极板。

Because of the use of novel technique of mode choosing and shape modifying to the high power infrared diode laser,and of manipulating the trap with dual-lens scanning, the tweezer is easy to be constructed and operated.

由于采用了独特的对大功率多模红外激光选模整形和双透镜陷阱操纵技术等性能价格最优化选择，该系统易于构建，陷阱操作方便，其构建价格仅一般光镊的几十分之一，非常适合光镊技术的推广和一般实验室构建。

A novel unselective regrowth buried heterostructure long-wavelength superluminescent diode with a graded composition bulk InGaAs active region is developed by metalorganic vapor phase epitaxy.

研制了一种新型的非选择性再生长掩埋异质结构长波长超辐射二极管。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。