查询词典 constant field

The results show that they relate to the dipole-dipole coupling strength between two atoms and atom-field coupling constant and nonlinear coefficient of field.

结果表明，它们与原子间的偶极相互作用、原子和光场的耦合系数以及非线性耦合系数有关。

Because of the complexity of the Earth's magnetic field and the constant changes it is impossible to predict what the field will be like anytime in the distant future.

因为地球磁场和持续变化的复杂性，要预测磁场在遥远的未来将是什么样子的是不可能的。

In fact, if we add a constant to the displacement field, the stress field would change but this is not the case with the LFD.

事实上，如果我们加上不断向位移场，应力场会改变，但事实并非如此，与lfd 。

Cladding field has been constructed by using the accurate functional form with two approximate parameters:the transverse decay constant in the cladding and the field value at core-cladding interface,which are already known.

包层场用修正贝塞尔函数以及已经求得的两个参量：包层径向衰减常量和场在纤芯-包层界面上的值重新构建。

According to the theory of flow diffusion and convection, three-dimensional state equation of radon field is established for constant and variable diffusion coefficient and convection rate. The numerical solutions for different coefficient and different boundary conditions are obtained for two models of radon field which have respectively source in the side and inside of collapse column.

根据流体场的扩散理论和对流理论，建立了扩散系数与对流速度为常量或变量情况下的氡气场三维状态方程；对於陷落柱柱体侧面有源氡气场和柱体体内有源氡气场两种理论模型，给出了不同系数和边界条件下的数值解的形式。

Based on the well-know Pennes'' bioheat equation,we calculated theoretically temperature field of HIFU-induced BFR in tissue,and measured spatial temperature rise in BFR induced by HIFU in freshly excised cow liver at constant acoustic intensity and exposure time, and studied the effects of the physical parameters of focused ultrasound transducer such as frequency,outer radius and curvature radius,focal depth, and acoustic intensity and exposure time on the temperature field of HIFU-induced BFR.

采用生物热传导方程理论计算了HIFU生物学焦域温度场，采用微型热电偶探针测量了HIFU辐照离体牛肝时靶组织温度分布；研究了聚焦超声换能器的物理参数、辐照深度和治疗剂量对HIFU生物学焦域温度场的影响；研究了HIFU在牛肝组织中的传播衰减。

A boundary integral formulation describing constant-αforce-free field with finite energycontent in the semi-infinite space above the sun was proposed(Yan,1995), this formulationcontains boundary field and its normal gradient under integral sign.

颜毅华1995年在太阳物理杂志上发表一文，就太阳磁场提出了一个具有有限能量的线性无力场模型，并对磁场给出了一个边界积分表示公式，该公式用边界上的已知磁场值和未知的磁场法向导数值来确定空间任意点的磁场值。

According to previously announced programme, Japan Dentsu will integrate China Power Group's three companies in the Internet advertising, online media and business services, namely the Beijing Dentsu Advertising Co., Ltd., Beijing Orient Advertising Co., Ltd., the Shanghai East camp Advertising Co., Ltd. At the same time, Focus Media will also include integration (Allyes - All Yes, Kesi WorldCom, the miracle of creation, Ka Wah's constant, constant - Guangzhou, Shanghai stockwork), its six ad Companies, and interactive network field survey company resources, both owned by sharing technology, databases, business, and so on the strengths and improve the efficiency of use of media resources, provide better customer System Solutions.

据此前公布的计划，日本电通将整合中国电通集团旗下三家公司的互联网广告、网络媒体业务和服务，它们分别是北京电通广告有限公司、北京东方日海广告有限公司、上海东派广告有限公司；同时，分众传媒也将整合包括(好耶-All Yes、科思世通，创世奇迹，嘉华恒讯，广州恒讯，上海网脉)在内的旗下6家广告公司，以及互动网络领域调查公司资源，通过共享双方拥有的技术、数据库、业务能力等方面的优势，提高媒体资源利用效率，为客户提供更好的系统解决方案。

In this paper, set the balancing disk labyrinth seal in vibration test-bed for a large-type compressor rotor as research object, CFD method is adopted to analyze the internal flow field of 3-D labyrinth seal of rotating shaft under the condition of different relative eccentricity with constant speed and variable pressure difference and with constant pressure difference and variable speed.

以某大型压缩机转子振动试验台的平衡盘梳齿密封为研究对象，采用CFD方法，分析了转轴在不同相对偏心距下，定转速变压差和定压差变转速时的三维梳齿密封内部流场，总结了流场内部压力、速度和温度的变化规律。

Constant reactive power and constant power factor control is an important research field for small generator unit.

恒无功和恒功率因数控制方式研究对小型发电机组有着重要的意义。

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。