查询词典 constant field

Incipient ferroelectrics or quantum paraelectrics constitutes a very unique subject of current interest due to its high value of dielectric constant , low dielectric losses and high degree of tenability by the external electric field and temperature .

等由于其高介电常数，低介电损耗，对外场和温度高度的可调协性等独特的性质和应用价值一直是一类人们广泛研究的晶体材料。

As the multi-part of magnetic pole have been adopted, the deflection center is easy to adjust and every order of the Trilemma constant can be made zero or small in each region, so as to correct the deflection aberration by multipole field.

由于采用了多段磁极，使偏转中心的调整比较方便，从而可以调整各阶Trilemma常数为0来对偏转像差进行校正。

Trilemma effect is an important criteria for the self-convergence deflection system.The influence of the higher order Trilemma effect should be taken into account for the correction of the higher-order deflection aberrations.In this paper,when up to the seventh-order Trilemma constants are adjusted,the expression of the influence of 2n-pole multipole field on n-th order Trilemma constant has been deduced and this influence has been calculated.

Trilemma效应［1，2］是在彩色显像管中应用自会聚偏转系统对偏转像差校正时所必须考虑的一个重要问题，在大偏转角下对高级偏转像差的校正必须考虑高阶Trilemma效应的影响，文献［3］应用多极场偏转像差校正理论［4，5，6］，采用区域分割的方法，对直至七阶的Trilemma效应进行了分析，在文献［3］中对Trilemma效应分析时，用到了下面的近似

To simplify the fabrication, the encapsulation is carried out under constant pressure.It is illuminated that grid Au upper electrode has more uniform electric field, and slot electrode has larger interface with environment, consequently larger sensitivity.

研究结果表明，电容式湿度传感器栅格结构的Au上电极具有均匀的电场，而条形上电极结构聚酰亚胺感湿薄膜与外界的接触面积更大，拥有更大的灵敏度。

When the change in the component of the tested material measured the uniplanar scattering-field capacitive sensor causes the variation of the total dielectric constant ε_x, the measured capacitance C_X will also change.

当同面散射场电容传感器的测量介质的组成成分变化时，会引起总介电常数ε_x的变化，从而，测量电容C_x也随之变化。

Job description Our sales, market and business developers have a constant watching brief to spot and qualify business opportunities, develop plans for individual or groups of products, and then support the field forces and sales channels to meet and beat the required sales targets.

市场营销开拓了我们的视野是市场营销人做到了这一切工作说明我们的销售、市场业务开发人员始终保持警觉，及时发现和验证业务机会，制定单一产品或系列产品计划，然后为现场人员和销售渠道提供支持，从而达到并超过销售目标。

The dielectric properties of homogenous BSZT and compositionally graded BSZT thin films were characterized by measuring the dielectric constant and dielectric loss as a function of applied electric field, temperature and frequency.

结果表明，通过合理设计梯度薄膜的成分分布，不仅可以实现对薄膜介电常数的调控，使其保持较高的调谐率，还可获得良好的介电常数温度稳定性。

While the comparison among the output characteristics of the constant parameter wiggler, tapered wiggler, optical klystron, and dc electric field FELs has been finished.

同时对常参数摇摆器、锥形摇摆器、光学速调管、及直流电场自由电子激光器的工作特性进行了比较。

Secondly, some influences of fringing field are taken into account , an effective dielectric constant is introduced ,and the resonant frequency expression is modified as well.

在某些情况下，谐振频率需要被调谐，为此，在基片和地板之间引入一层空气隙，可以改变微带天线的某些性能，特别是谐振频率。

First, we deduce theoretical formulae of calculating equivalent dielectric constant and resonance frequency of rectangular microstrip antennas with air gaps from electromagnetic field theory based on the modified theory of cavity model. Then, we discusses the radiant principle of microstrip antennas on the base of transmission line theory and analyzes the problem of air gaps how to influence pattern and other idiocratic parameters of a microstrip antenna in detail.

本论文的主要工作是根据修改的微带天线的腔模理论，利用电磁场理论推导了具有空气隙的矩形微带天线的等效介电常数和谐振频率的理论计算公式，同时以传输线理论为基础，论述了微带天线的辐射原理。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。