英语释义

1. a region in which particles (as alpha particles, photoelectrons, or thermions) are decelerated or stopped by a repulsive force

片语

potential barrier width电位障宽

potential l barrier势垒

contact-potential barrier接触势垒

penetrability of potential barrier势垒穿透性

probability potential-barrier penetration势垒穿透机率

potential trade barrier潜在的贸易壁垒

Potential Engergy Barrier势垒

potential energy barrier势能垒

英汉例句

• it appears that the neck and the radial degrees of freedom might both be hampered by an inner potential barrier on their path between the contact configuration to the compound nucleus.

  结果显示，在重核从接触到复合核形成的过程中，颈部自由度和径向自由度可能会同时遇到由于内侧位垒引起的熔合阻止。

• it has shown that less 1, 2-unit content corresponds to lower potential barrier of internal rotation and hence to lower energy of rotational isomerization.

  进一步的研究表明，低1，2-链节含量对应着较低的分子链内旋转势垒和内旋转异构化能。

• the parabolic barrier, double barrier with a rectangular well, double barrier with a parabolic well structure and the potential barrier placed in an external field are discussed here.

  利用该结果分别研究了抛物线型单势垒情况、方型双势垒情况、抛物线型双势垒情况以及置于外场中的双势垒情况。

• this article analyzes thermodynamically the potential barrier and the factors affecting it in the process of phase separation.

  从热力学角度分析了分相过程中存在的势垒及其影响因素。

• electrons from the metal will have to surmount the potential barrier to enter the semiconductor .

  金属中的电子必须克服这个势垒层才能进入半导体。

• the results show that:the potential barrier is directly determined by channel over pinched-off factor;

  结果表明：沟道势垒直接取决于沟道过夹断因子；

• using plane class fat double-decked model, from potential barrier penetration angle discussion high pressure electric field to cell membrane permeability influence.

  同时，利用平面类脂双层模型，从势垒贯穿角度讨论高压电场对细胞膜通透性的影响。

• the author of this essay analyzes the potential barrier structure of diode comparing with several kinds of potential barrier structure, and perfer the optimum one after abundant experiment.

  本文着重从二极管势垒结构进行了分析，同时对几种势垒结构进行了比较，通过大量实验，确定了最佳势垒结构。

• this is due to the existence of 3 confined potential barrier in the cis-(ch)x and thus causes the ground state to be non-degenerate.

  这是由于在顺式聚乙炔中存在禁闭势垒的原因，使基态呈非简并态。

• it is found out whether a formula for scattering from a potential barrier slowly changing with position is obtained by neglecting reflections.

  弄清随坐标缓变势垒对自由粒子散射的透射率的近似公式是否是在略去反射条件下得到的。

• in this paper, the reflexed coefficient of potential barrier of period is calculated by the method of character matrix.

  应用特征矩阵方法计算周期势垒的反射系数，所得结论与文献结果一致，但计算方法较为简单，并且便于计算机处。

• the carrier transport and conductivity mechanism in the grain boundary (gb) of polysilicon were studied, the new models about the structure and the potential barrier distribution in gb were presented.

  研究了多晶硅晶界的载流子输运过程和导电机制，建立了新的晶界结构模型和晶界势垒分布模型。

• the paper develops a new numerical method to calculate the transmission coefficient for one kind of potential barrier with even parity.

  把薛定谔方程的散射态和驻波态联系起来，发展了一种用来求解一些偶对称势垒透射系数的数值方法。

• ppd makes the critical radius and the potential barrier of nucleation of wax crystal increase, and makes the separation of wax from waxy oil difficult.

  降凝剂提高了蜡晶析出的临界半径，增大了成核位垒，使蜡晶析出困难。

• the results showed that nanoparticles accumulation at the vapor-liquid interface decreased embryo bubble radius and the potential barrier of nucleation, facilitating liquid nucleation.

  结果表明，纳米颗粒在界面处的吸附可减小核化的平衡胚泡半径，降低沸腾核化势垒，有利于核化的发生。

• first the equation of bistable non linear system is studied, then three major factors affecting random resonance are pointed out. these are potential barrier (threshold) between bistability;

  首先研究了双稳态非线性系统的方程式，并指出影响随机共振的三个要素是：系统两稳态之间存在势垒（阈值） ；

• firstly, the relation between local potential barrier images of stm and properties of the surface is studied.

  首先，本文研究了stm局域势垒与样品表面性态的关系。

• avoid jokes and cultural references that might be misunderstood, because anything that can be easily misinterpreted is a potential barrier to effective communication.

  不要引入笑话，还有可能造成误解的文化引用，因为任何容易误读的地方都会给有效的交流带来障碍。

• however, it also brings potential barrier to activities of judicial proof, such as the appearance of specialized problems, and reliance on technical means to solve conflicts.

  但与此同时，也给司法证明活动带来了许多潜在障碍，诸如案件中专门性问题的出现，以及解决纠纷对科技手段的依赖等。

• in this paper, a model of potential barrier acted on molecules during the microwave-assisted extraction of resveratrol from polygonum cuspidatum is developed.

  建立了微波萃取虎杖中白藜芦醇过程中的分子扩散势垒模型；

• a step on ni(100) will increase the potential barrier and activation energy for the diffusing h atom across this step, and causing the anisotropy of sd of h on the stepped ni surface.

  面上的台阶，将使通过此台阶的h原子的扩散势垒增高，激活能增大，且引起扩散的各向异性。