查询词典 drift aimlessly

It is the basis for designing balance mass. And, the couple between flexure and torsional vibration is calculated, which is QRSs intrinsic zero drift, and is also main considerations of determining scale factor.(3) There is a difference for equivalent elastic compliance constant of quartz crystal between the X-direction and the Z-direction. It is related directly to each parameter of QRS.

2对由机械耦合产生的零漂作了系统的定量描述，指出质量不平衡等因素产生的零漂可以由加质量和去质量来消除，这是我们设计平衡质量的依据；同时，计算了弯曲振动和扭转振动之间的耦合，指出它是QRS的固有零漂，也是确定QRS标度因子时所必须考虑的主要因素之一。

The model has considered solar EUV photoionization, photochemical reactions, ion diffusion and the influences of neutral wind and electrodynamic E×B drift.

通过对宁静电离层剖面结构和日变化的模拟及其与实际观测的比较，认为模型所考虑的物理过程是合理的。

This larger electron drift energy is related to the lower magnetic field necessary for krypton operation.

这个能量较大的电子漂移与磁场下氪必要行动。

In the simulations we considered the effect of the lattice temperature on the steady-state electron drift velocity-field relation in GaN.

模拟中考虑了晶格温度对于GaN稳态电子速度-场关系的影响。

Silicon carbide is a promising semiconductor with wide band-gap, high saturation electron drift velocity, high breakdown electric field and high thermal conductivity.

碳化硅是一种新型半导体材料，具有禁带宽、电子饱和迁移速度高、击穿电场强度高、热导率高等特点。

The discharge mechanism of the avalanche in these gases has been analyzed. The variation patterns and impact factors of their effective ionization coefficients, electron drift velocities and diffusion coefficients have been given. The transportation of electrons is closely related to that of ions.

为验证模拟结果的正确性，本文采用PT法获得的SF〓／N〓、SF〓／CO〓和SF〓／Kr的实验结果和模拟结果进行对比，分析了它们的电子崩发展特点，给出了其有效电离系数、电子漂移速度和扩散系数的变化规律以及影响因素。

The values obtained in thepresent study for the electron energy distribution function,drift velocity,ionizationcoefficient and attachment coefficient,etc.,are calculated and compared with theexperimental results reported in the literature,and the comparison is also carried outwith the values obtained from the two different types of fields.

应用Monte Carlo模拟法研究了氧气放电的电子参数，得到了在均匀电场中的电子能量分布、平均能量、漂移速度、电离系数、附着系数、迁移率及扩散系数随时间、电场强度的变化关系，并与文献上的实验结果进行了比较。

The characteristics of the MHD structure observed in the soft x-ray tomography are as follows. It is constructed with m=2 mode oscillation, so that the magnetic surface is made up of two islands. The structure of the magnetic surface is relatively stable. It rotates in the direction of the electron dia-magnetic drift, and the rotation frequency is the half of the oscillation frequency of soft x-ray signals.

通过SX反演图象分析，MHD型磁面结构的特点：一是m=2模的振荡构成，因而此磁面始终有两个岛组成；二是磁面结构相当稳定，在MHD放电过程中没有明显变化；三是磁面结构整体沿电子逆磁方向极向旋转，旋转的频率是软X射线测量的信号频率的一半。

Since the first Landauer theory in 1957,theorists have attempted for 50 years to justify the drift force or electron momentum transfer assumed by Black as some electron-wind force to impart on the metal atoms and ions to move them.

自1957年第一个Landauer理论以来，理论工作者用50年试图论证飘移力，即Black假设的电子动量转移，又称电子风力，作用到金属原子和离子上，可使它们移动。

High-frequency and high power electronic or microwave devices, because of their excellent properties such as wide band gap, high electron saturation drift velocity, low dielectric constant, high thermal conductivity, good chemical and thermal stability, and so on.

同时由于GaN基材料具有电子漂移饱和速度高、介电常数小、导热性能好、化学和热稳定性好等特点，也非常适合于制作高温、高频及大功率电子器件。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。