势垒

Alpha decay half-lives of even-even superheavy element s are calculated in the framework of the effective liquid drop model using the combination of constant asymmetry shape description for the mass transfer and the effective inertia coefficient.

利用有效液滴模型计算了偶偶超重核的α衰变半衰期，计算过程中采用了保持碎片体积守恒的不对称形状描述以及有效惯性系数计算Gamow势垒穿透因子。

In the latter case, the particle is thermally excited to a higher energy level En in the metastable well, and then tunnels through the barrier at an elevated energy.

在第二种情况中，粒子在亚稳井中被势激发到更高的能级En，然后以提高的能量隧穿势垒。

Our double-potential well model explains the fact that the grain size affects the barrier height and therefore changes the relaxation characteristics and the structural metastability.

我们利用双势阱模型解释了这样一个事实：晶粒尺寸影响了势垒高度，这样改变了弛豫特征和结构亚稳性。

We apply these set of rules to study three kind of typical quantum problems including harmonic oscillator, double well potential and impulse barrier penetration.

利用这套规则，我们研究了谐振子，双势阱和脉冲型势垒的透射这三种量子力学中典型问题的格林函数。

In this thesis, by continuously changing an external electric field across a specially-designed three-barrier-double-well tunneling structure, the density of excess electrons in the QW can be turned in a controllable manner.

本论文主要通过改变在特殊设计的三势垒双势阱结构的样品两端外加垂直电场的大小，使得量子阱中的过剩电子变得可控。

A critical thickness of 10ML isestablished, at which the atomically flat Pb films become stable at room temperature.

在这种体系中，电子运动被半导体能隙和真空势垒限制在金属薄膜对应的势阱中，形成量子阱态。

This model based on Brews's charge sheet model and the above non-iterative computation of surface potential also accounts for DIBL effect, kink effect, and channel-length modulation.

基于Brews的薄层电荷模型和上述非迭代计算表面势，本电流模型同时考虑了漏致势垒降低效应、kink效应和沟道长度调制效应。

And we give the effects of the barrier height on fractional dimension, exciton ground energy and binding energy.

另外，非对称方势阱中的激子结合能随阱宽的减小而增大，且随一侧势垒的增大而增大。

The effects of DMSG structure on channel electrostatic potential and channel potential is taken into account, and the relation between the length of control gate and the short channel effects is analyzed.

模型考虑了异质围栅结构对沟道表面势和沟道势垒高度的影响，分析了控制栅长度与器件短沟道效应之间的关系。

Carrier capturing from the barriers to the wells occurs mainly during the carrier cooling and recombination in the time scale of picoseconds.

势垒中的载流子被捕至势阱束缚态的情况主要发生于热载流子的冷却和复合过程的皮秒级时间内。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。