查询词典 barrier potential difference

Cased hole formation resistivity logging calculates apparent formation resistivity by measuring slight potential difference on metal casing,its measurement error of the apparent formation resistivity is decided by the measurement error of the potential difference on the casing.

过套管电阻率测井通过测量金属套管上的微小电位差来计算地层视电阻率，套管上电位差的测量误差决定了地层视电阻率的测量误差。

The gating of PMT was realized with the method of adding the applied gating and gain-control nano-second pulse, and by changing the electric potential difference between the cathode and the first dynode. The gain control of PMT was complemented by the aid of adding the high voltage pulse to the last dynode of PMT to change the electric potential difference between the last dynode and front dynode.

采用给PMT外加选通和变增益纳秒电脉冲的方法，通过改变PMT光阴极与第一打拿极之间电势差，实现PMT选通；借助给PMT最后一个打拿极外加变增益高压脉冲改变PMT最后一个打拿极与前置打拿极间的电势差，实现PMT变增益。

The relations between the potential difference and the discharging time when the discharge current is a step function as well as a step function containing high frequency vibrations, the relations between one-dimensional and two-dimensional spark locations and potential difference based on the thin wall model and the thick wall model have been studied.

仿真研究了放电电流为阶跃函数以及含高频振荡时电位差与放电时间的关系；基于薄壁模型和厚壁模型，仿真研究了电极下表面一维放电点位置和二维放电点位置与电位差的关系；对于确定的电位差，仿真研究了放电点位置的分布情况，说明两点输入不能唯一地检测出放电点位置，从而引入四点输入检测的思想。

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。

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。

On the basis of Landau-Lifshitz-Gilbert equation and Fokker-Planck equation,through analyzing the current induced magnetic switching and potential change,a new model to explain the potential barrier reducing is proposed.

在对称系综模型的Landau-Lifshitz-Gilbert和Fokker-Planck方程的基础上，分析了电流驱动磁动力学开关过程和电流引起磁势能的变化，提出一个新的电流感应磁势垒降低模型。

There are three difference formats in this thesis. They are backward difference, Crank-Nicolson"s difference and Galerkin"s difference.

本文对时间域采用的离散格式有两点向后差分、Crank-Nicolson格式差分和Galerkin差分等。

Between the Chinese and American culture difference has accomplished the China and America classroom instruction difference, but this kind of difference comes from in the Chinese and American education idea and the educational system difference, the China elementary education attention knowledge accumulation and instills into, the attention trains the student to ask the same thought and the attention trains the student to the knowledge itself grasping, but US pays great attention to actually trains the student to carry on the solution actual problem using the knowledge ability, the attention trains the student to the knowledge innovation and the development, also the attention raises the student criticalness thought and the divergent thought.

中美文化之间的差异造就了中美课堂教学的差异，而这种差异来自于中美教育理念和教育制度上的不同，中国基础教育注重知识的积累和灌输，注重培养学生的求同思维和注重培养学生对知识本身的掌握，而美国却注重培养学生运用知识进行解决实际问题的能力，注重培养学生对知识的创新和拓展，且注重培养学生批判性思维和发散性思维。

The difference schema of the initial boundary value problem was converted to the step-by-step form,which was similar to the difference schema of the initial value problem.It is concluded that the difference schema satisfying the Von Neumann condition is a stable schema,and that,under the consistency condition,such stable schema is convergent.Moreover,with error estimate expression for the difference approximation to the classical solution,the linearity condition is unnecessary.

引入反投影算子将发展方程初边值问题的差分格式转化为与初值问题差分格式类似的逐步推进的形式，从而得出：满足Von Neumann条件的差分格式是稳定的格式；在相容条件下，差分格式若稳定(或满足VonNeumann条件)则格式收敛，且对古典解的差分逼近有误差估计式，不再需要线性的条件。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。