查询词典 drift

Especially, the ionospheric electric field in Hainan was studied according to the ionospheric plasma drift velocity by removing the neutral wind effect.

特别是采用扣除中性风的方法，研究了海南地区电场的变化特性，并对海南地区的漂移变化因素进行了分析。

An important feature of the velocity-field characteristics is a differential negative resistance effect in steady state electron drift velocity.

在平均漂移速度-电场特性中发现了微分负阻效应。

This subject is experimentally and theoretically studied in the paper and the limit-ing conditions of distribution parameter and drift velocity for upward two-phase flow are proposed.

1引言空泡率代表着两相流动的相分布情况，是决定两相流内部结构的基本参数。

It has shown that the drift velocity is relatively more intense near the wall which greatly affects the turbulent suspension and transportation diffusion of the sediment.

通过数值模拟和理论分析说明了相间漂移速度在靠近床面的区域内相对较为显著，这对于泥沙的湍流悬浮和输移扩散有较大的影响。

And at the beginning of the scintillation, the plasma has a large vertical velocity, which can also cause the uncertainty of the zonal drift velocity.

另外，在闪烁刚发生时，不规则体纬向速度起伏较大，这可能与不规则体的随机起伏以及等离子体泡产生时垂直速度较大有关。

And the drift velocity and the average energy of electron in air are computed. The results obtained in this work will be of great importance to the research of discharges in atmosphere including dielectric barrier discharge at atmospheric pressure.

通过模拟在大气常温下O_2、N_2及O_2／N_2的直流放电过程，所得结果对进一步了解大气常温下直流放电动力学的机理具有重要意义，对大气常温下介质阻挡放电研究也具有一定的参考价值。

Some factors are introduced,including the effects of temperature on transverse effective electric field and surface roughness scattering,the dependence of the saturation drift velocity of the electron on transverse effective electric field and temperature,and an improved interface trapped charge and fixed oxide charge coulomb scattering model.

在新模型中，引入了横向有效电场和表面粗糙散射的温度依赖性，电子饱和漂移速度与横向有效电场和温度的关系，以及改进的界面陷阱电荷和固定氧化物电荷库仑散射模型等因素。

Due to the different drift velocity of Bi atoms and Sn atoms under high current density, the electromigration properties of eutectic SnBi are unique.

由于铋原子和锡原子在高电流密度下具有不同的迁移速率，因此共晶锡铋钎料具有独特的电迁移特性。

According to this argument, similar to one-dimensional two-phase flow, the vapor's drift velocity in multi-dimensional two-phase flow is supposed to be a function of the modified acceleration .

上述研究成果得到了国际同行的高度评价，并据此开辟了分析多维、多成分、多相流漂移流率模型研究的新领域，研究成果对发展多相流数学解析模型有重要的理论意义，在工程上有重要的应用前景，研究工作取得了起过预期目标的重要成果。

Single probe ; Parallel Mach probe ; Mach number ; Plasma drift velocity ; Electron temperature ; Ion density

单探针；平行马赫探针；马赫数；等离子体漂移速度；电子温度；离子密度

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐