查询词典 spontaneous emission

Emission of light caused by electric discharge in a gas .

电在电场中的气体中传播的现象。

Emission of light caused by electric ''.

电荧光通过气体的''。

Objective To investigate the diagnostic value of exercise electrocardiography test, single photon emission computed tomography and dobutamine stress echocardiography in coronary artery disease.

目的 评价运动心电图试验、心肌灌注单光子发射计算机断层显像、多巴酚丁胺负荷超声心动图对冠心病的诊断价值。

In this dissertation, the properties of photoluminescence and electroluminescence from Ge-Si02 thin films and mechanisms of light emission have been studied.

本论文主要研究了Ge-SiO_2薄膜的光致发光和电致发光性质，讨论了可能的发光机理。

Their photoluminescence and electroluminescence properties have been investigated thoroughly, and the relationships between molecular structure and light emission properties have been studied as well.

光致发光研究结果表明，所合成的杯芳烃类材料在固态和溶液中均有良好的荧光性质，并都有非常好的溶解性能和成膜性能。

They looked for the emission of certain wavelengths within the radio part of the electromagnetic spectrum.

他们寻查了电磁波普的无线电波段内所释放的特定波长。

Electromagnetically induced acoustic emission technique is a recently developed non-destructive test technique, which can be used for damage assessment of thin walled conducting structures.

电磁声发射技术是近几年发展起来的一种无损检测新技术，可以用来对导电薄板进行损伤评价。

Electron emission characteristics have been investigated for amorphous diamond films with low or even negative electron affinity.

摘要利用阴极电弧法分别在矽基板及镀有一层钐金属的矽基板上沉积非晶钻石。

These materials have excellent chemical and thermal stability, high melting point, high thermal conductivity, high breakdown voltage and large carrier mobility rate especially the smaller electron affinity and potential or even a negative electron affinity, and the situation has greatly reduced the market launch of the threshold voltage, therefore, Field emission of such material will have a very vast potential for development and application prospects.

这些材料具有良好的化学与热稳定性、高熔点、高热导率、高击穿电压及大的载流子迁移率，特别是较小的电子亲和势甚至是负的电子亲和势，大大降低了场发射的阈值电压，因此，这类场发射材料将有着极为广阔的发展潜力及应用前景。

The paper reports the preliminary experiment results of the electron gun based on photo-field emission of carbon nanotubes.

报道了碳纳米管光场致发射电子枪的初步研究结果。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。