查询词典 spontaneous emission

We observe gate current by biasing the gate at fixed voltage and gate direct tunneling current will show two or three levels. The cause is carriers trapping in the trap site during tunneling through gate dielectrics and detrapping by thermal emission.

透过给一固定的闸极电压观察闸极电流，闸极直接穿隧电流会在多个层次间振动，其原因来自於电荷在穿越闸极层时，会掉进闸极层里面的缺陷并被抓住，但又容易藉著热从缺陷中散逸。

The dynamic emission curve of SO_2 has a bimodal distribution, and the SO_2 yield increase with the increasing of oxygen concentration.

SO_2的动态析出曲线呈双峰分布，析出量随氧量的增加而增加。

Siemens Biograph PET/CT is a combined positron emission tomography and computed tomography system,and combined PET/CT systems are taking place of single PET to be the main choice of clinical application.

Biograph 系列扫描仪是西门子公司研制的高性能 PET 和螺旋 CT 一体化的混合 PET/CT 扫描系统，PET/CT 混合成像系统正在取代单独 PET 系统成为临床应用的主要选择。

A method for the determination of lead,tin and bismuth by inductively coupled plasma atomic emission spectrometry was studied.

研究了电感耦合等离子体原子发射光谱法同时测定钨铁中铅、锡、铋含量的分析方法。

With the present lasers, X-ray microscopy can be made using narrow band emission or black body radiation from laser plasmas.

就目前的泵浦激光条件，采用窄带辐射和黑体辐射可进行水窗波段X光显微成像的实验研究。

Based on the impact assessment results, the major blamer for the environmental load in the practice of smelting magnesium with Pidgeon process is identified, providing improvement advices and decision support on energy-saving and emission-reducing of the magnesium production.

根据影响评价结果，确定了皮江法炼镁环境负荷的主要责任者，为原镁生产的节能减排工作提供了改进意见和决策支撑。

Using H2 15O positron emission tomography, we measured changes in relative regional cerebral blood flow.

使用氧15的水进行正电子断层扫描实验，我们测量了相关的局部脑血流。

Wastewater emission was greatly decreased and industrial structure reasonable adjusted through 10 years' implementation of blowdown right trade in Minhang District of Shanghai.

从闵行区企业排污权交易的实例出发，用"产权"理论模拟用经济手段对黄浦江某段水域的污染控制与治理，进而分析了在实际运用排污权交易控制污染时会面临的3种情况，论证了排污权交易的可行性。

If its energy is larger, it may impart energy to atomic electrons as described by the Bohr theory, causing excitation of electrons to higher energy states or producing ionization, with subsequent emission of light.

果其能量更大，它可以按照波尔理论把能量传递给原子的电子，使电子激发到高能态或电离，并伴随发光现象。

For example, we investigate Maxwell equation and Boltzmann equation in the above spacetime and the new properties of plasma and the theory of the radio emission of pulsars in flat spacetime.

比如，较详细地讨论了平坦空间和弯曲空间的Maxwell方程和Boltzmann方程，平坦空间中等离子体的新特性以及中子星磁层的射电辐射理论。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。