By measuring current voltage characteristics and observing light emission of these diodes, electron emission feature of these diamond powder cold cathodes were investigated.
通过该结构电流电压特性的测量和发光特性的观察研究了金刚石粉末冷阴极的电子场发射性能。
Weld quality monitoring methods by magnitude and frequency characteristics of the light emission were proposed in this paper.
提出了利用强度和频率特征对焊接质量进行监测的方法。
Over recent years, molecular biologists have isolated a number of FPs and their genes, and used them to create genetically engineered variant FPs with particular light-emission characteristics.
近年来，分子生物学家门从中提取出了很多种荧光蛋白及它们的基因，并用基因工程建立了一系列具有不同发光特性的荧光蛋白。
应用推荐