查询词典 barrier potential

As potential customers are aware of the possibility for market abuse, this is a potential barrier to implementation.

基于潜在客户担心巿场力量有可能被滥用，实施上便潜在一定障碍。

After that, a more natural and more practical potential model is advanced, whose essential point is to cut off the potential interaction around the high potential barrier.

在此基础上我们提出了一个更自然、更实际的势函数模型，其要点是在强势垒处截断势力作用(实际计算中取的是势函数等于15kT的地方)。

This is because, a company producing at a point on the long-run average cost curve where economies of scale exist has the potential to obtain cost savings in the future, and this potential is a barrier to entry.

这因为公司长期平均费用曲线在一个点生产，规模经济存在的地方，有潜能获得成本节约，并且这种潜能是进入的一个障碍。

By exploring the potential energy surface of C7H8OH+,that the formation of C7H8OH+ is a reaction process without potential barrier is concluded.

对C7H8OH+离子势能面的研究得到，C7H8OH+离子的形成是一个无势垒的反应过程。

Using STM, the change of the image contrast of local potential barrier is studied for different kinds of materials on the sample surface, and it is put forward to apply local potential barrier to view different surface materials.

利用STM研究了样品表面成分不同时局域势垒图象的衬度变化，提出了用局域隧道势垒观测表面不同材料的方法。

It indicated that photovoltaic noise barrier by way of link point of flourish development in photovoltaic and huge potential of noise barrier, would open up a vast range of prospects.

指出作为蓬勃发展的光伏发电与潜力巨大的声屏障两者结合点的光伏声屏障，具有十分广阔的发展前景。

The potential barrier of the rate controlling step is 83.42 kJ/mol, which is higher than the potential barrier of channel A (20.80 kJ/mol).

通道 B 是新发现的反应通道，其速控步骤的位垒 83.42 kJ/mol，位垒高于通道 A(20.80 kJ/mol)。

Based on the FDTD method,three different potential-barrier problems including rectangular potential-barrier,deltoid potential-barrier and syntonic potential-barrier are investigated.

在此基础上，计算模拟了三种不同的势垒如方势垒、三角形势垒和谐振势垒下系统的能量变化、概率变化，再现了量子隧道效应这一重要物理现象。

Part 1: Permeability of Exogenetic BDNF through placental barrier of pregnant rats and blood-brain barrier of fetus with transient uteroplacental ischemiaObjective To investigate the potential of BDNF to penetrate the placental barrier and get into the fetus and pass through the blood-brain barrier of fetus to play neuroprotective function in the condition of transient ischemia.

第一部分：外源性脑源性神经营养因子在宫内缺氧环境中对胎盘及胚鼠血脑屏障通透性的实验研究目的：探讨外源性脑源性神经营养因子在宫内缺氧环境下能否通过胎盘屏障进入胎鼠体内，再通过胎鼠血脑屏障进入胎鼠脑组织而发挥其生物功能。

From the potential energy profile, it can be predicted that, the dominant channel of this reaction consists of three steps: the two reactants first form a three-membered ring intermediate (INT1) through a barrier-free exothermic reaction of 19.2 kJ/mol; three-membered ring intermediate (INT1) isomerizes to a four-membered ring silylene(P2) via the transition state (TS2) with an energy barrier of 22.8 kJ/mol; four-membered ring silylene(P2) further reacts with ethene(R2) to form a silicic bis-heterocyclic compound (P3), which is also a barrier-free exothermic reaction of 132.2 kJ/mol.

用CCSD//MP2/6-31G*方法研究了单重态二甲基亚烷基硅烯与乙烯生成硅杂双环化合物环加成反应的机理，根据该反应的势能面可以预言，该反应的主反应通道有三步组成：第一步是两反应物（R1， R2）首先生成了一三元环中间体（INT1），它是一无势垒的放热反应，放出的能量为19.2 kJ/mol；第二步是三元环中间体(INT1)经过渡态TS2异构化为了四元环硅烯（P2），其势垒为22.8 kJ/mol；第三步是四元环硅烯（P2）进一步与乙烯(R2)反应生成了硅杂双环化合物（P3），该反应也是一无势垒的放热反应，放出的能量为132.2 kJ/mol。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。