查询词典 Bosworth Field

Through the theory analyses of PMSM timing and the research of field orientable control, this paper theoretically prove another great achievement of field orientable control in the fields of AC motor timing.

本文通过对永磁同步电动机调速的理论分析，以及磁场定向控制的研究，从理论上证明了磁场定向控制在交流电机调速领域上的又一次重大发展。

H-BN thin films were prepared on the (100)-oriented surface of n-Si by r. f. sputtering physical vapor deposition. The field emission characteristics of the BN films were measured in a ultra high vacuum system. It has been found that the field emission characteristics of BN films is affected evidently by substrates temperature.

利用射频磁控溅射方法，真空室中充入高纯N2(99.99%)和高纯Ar(99.99%)的混合气体，在n型(100)Si基底上沈积了六角氮化硼薄膜，在超高真空0^(-7Pa系统中测量了BN薄膜的场发射特性，发现沈积时基底温度对BN薄膜的场发射特性有很大影响。

A calculation model is established for the corrugation and annular flow field of a stratification injection allocator by using 3D Max and it is put into VR environment of PHOENICS and based on the actual geometric size of the allocator,κ-ε turbulent calculating model is used for numerical calculation of water medium flow field by using orthogonal and detail grid under coordinate system.

用3D Max建立了分层配注器波纹环空流场的计算模型，调入PHOENICS的VR编辑环境中，根据实际配注器的几何尺寸，在柱坐标系下，采用局部加密正交网格，应用k-ε湍流计算模型对水介质流场进行了数值计算，给出流场的速度分布与压力分布曲线，并对比分析了3种形状的波纹环空流场的数值计算结果。

The characteristic field and velocity field of plane stress problem for the orthotropic materials are studied by the R.

Hill屈服准则研究了正变异性材料平面应力问题的应力场及速度场，得到了应力场与速度场的特征线处处重合的结果。

The research features in this paper are as follows: considering rockfills orthotropy in seepage analysis for CFRD, introducing E-B constitutive model into general software, founding the coupling analysis model of seepage field and stress field based on FEM.

本文的研究特色在于：在面板堆石坝渗流分析中考虑了堆石体的渗透正交异性；在通用有限元软件中实现了E-B本构模型的二次开发；建立了面板堆石坝渗流场与应力场耦合分析的有限元计算模型。

Then the nonlinear electric polarization due to torsion is analyzed and the problems of electric field in torsional effect of piezoelectrics are converted into the inner and outer boundary value problems of partial differential equations according to the equivalent principle of electric field.

总结了压电晶体内部非线性极化的形成规律，利用电场的等效原理将这种非线性极化激发的电场的求解问题转化为等效极化电荷体系的电场问题，并归纳成泊松方程的内边值问题和拉普拉斯方程的外边值问题。

In this paper the temperature field and thermal-creep-stress field in roller compacted concrete overflow dam during construction and operation are simulated and the distribution law of them are systematically studied by an example.

本文通过一典型算例对碾压混凝土溢流坝施工期和运行期温度场、徐变应力场进行了全过程仿真分析，较为系统的研究了碾压混凝土溢流坝施工期和运行期温度场、温度徐变应力场的分布规律。

It was shown that TAPP and its metalloporphyrin complexes all had good photoconductivity. The surface photovoltage response in tensity of Soret band and Q band were enhanced with an external positive electric field and weakened with a negative electric field, and possessed the characteristic of p-type semiconductor.

并研究了这些卟啉化合物在不同外加电场条件下的表面光电压谱，结果表明，TAPP及其金属配合物都具有良好的光电性能，且其Soret带与Q带的光伏响应强度随外加正电场光伏响应强度的增加而增强，随外加负电场光伏响应强度的增加而减弱，具有P-型半导体的特征。

Service, a character used to pad input ''.'message'.'' fields or output device fields when the length of the received data is less than the length defined for the field or when no data is received for the field.

格式'。''服务程序中，当输入报文字段或输出设备字段所接收的数据长度小于规定的长度或未接收到数据时，用来填充该字段的字符。

The numerical simulation of velocity field and temperature field of the office using hot-water floor panel heating system is carried out.

对采用热水地板辐射供暖系统的办公室的速度场、温度场进行了数值模拟，室内气流分布比较均匀，没有吹风感觉，竖直方向温度梯度较小，热舒适度较好。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。