查询词典 electromagnetic

Electromagnetic field theory,lumped-element circuit theoy and distributed circuit theory,based on maxwell′s equations,kirchhoff's laws,telegrapher's equation respectively,are the main methods to analyze electromagnetic problems.

0引言电磁场问题的"场"理论是基于Maxwell方程组的理论分析途径，这种分析方法归结为电磁场边值问题地求解，通常比较复杂而繁琐，原则上可以用来处理几乎所有得宏观电磁场问题。

The electromagnetic field tensor method is used to calculate the electromagnetic fields inside a parallel-plate simulator and analytical expressions for the field distributions are derived in time domain.

利用电磁场张量法计算了平行板电磁脉冲模拟器内的电磁场并推导了其时域解析表达式。

Microvisual electromagnetic model and thermology model have been established and solved by starting with matching the change of micelle dielectric dissipation and heat exchange factor with temperature by using electromagnetic and heat transfer knowledge.

本文利用电磁学和传热学方面的相关知识，从拟合稠油中胶团介质损耗和换热系数随温度的变化规律出发，建立并求解了微波加热稠油的微观电磁模型和热学模型。

These transfer equations were used to reestablish the entropy transfer equation for the electromagnetic fluid,and further to reconstitute the differential component equations for different forms of exergy and the differential equation for total exergy in the fluid by the definitions of thermal,pressure,chemical,kinetic,potential and electromagnetic forms of exergy.

通过定义热火用、压火用、化学火用、动能火用、势能火用、电磁火用，重新构建了不同形式火用传递的分量方程及其总火用传递方程。

The numerical calculation shows that the space distibution of the electromagnetic field in each sub-micro-layer changes with the varing transmission depth in the relief grating, the space distribution in each sub-micro-layer is uniformer than that in isotropic grating and the optical parameters of the anisotropic relief grating and the incident beam have a large impact on the space distribution of the electromagnetic field in relief grating and so on.

数值计算表明，光波场光强的空间分布随透射深度的变化而变化，各向异性介质光栅体内光波场的空间分布相对各向同性介质要均匀，光栅材料的性质参数和光束的入射参数对光波场光强的空间分布有较大的影响等。

Using triple integral equation based on scalar Green function for forward modeling transient electromagnetic response to a 3 D anomalous body, a frequency response of electromagnetic field component has been evaluated first on frequency domain, then the evaluated results has been transformed into time domain by using fast numeric filtering algorithm.

用基于张量格林函数的体积分方程对三维异常体进行瞬变电磁响应的正演模拟，首先在频率域内计算电磁场分量的频率域响应；然后利用快速数字滤波技术将计算结果转换到时间域。

Einstein only has dispelled the unsymmetry of the explanation for electromagnetic interaction, but can't dispel the unsymmetry in size of electromagnetic interaction.

爱因斯坦只是消除了电磁相互作用的理论解释的不对称，他那个方法不能消除电磁相互作用的大小的不对称。

This thesis aimed to discuss an electromagnetic energy harvester. Motion of a fluid driven by a 30 Hz pulse pump is used to activate the electromagnetic energy harvester. The periodic motion of the fluid in the chamber causes a harmonic vertical deflection in the diaphragm on which a permanent magnet is attached. Subsequently, the vibration of this magnet induces an output voltage in a solenoid hanging above it.

中文摘要本文是探讨电磁式能量产生器的机构，此电磁式能量产生器的主要作动方式为藉由频率30Hz的脉冲马达驱动工作流体，使工作流体呈周期性的流动让帮浦腔体上致动薄膜产生周期性的上下往复运动，因此帮浦腔体内产生压力周期性的变化，在薄膜上永久磁铁的振动，使得螺旋线圈感应产生电压的输出。

Leb regarding the treatment of osteoporosis with electromagnetic field were built on the clinical studies of Basset, Brighton, Becker, Cruess, Janssen, Lengel, Rubin and Wallach, among which the cell cultivation study made by Rodermann, Bayreuther and Pfederer in 1985,that is the reaction of human skin and pulmonary collagen cells to certain electromagnetic field intensity and alternating density, exerted the biggest influence on Professor W.

Leb教授运用电磁场治疗骨质疏松的治疗计划与规则是建立在Basset，Brighton，Becker， Cruess， Janssen， Lengel， Rubin∫ Wallach 的临床研究基础之上的，其中 Rodemann， Bayreuther和Pfecderer于1985年开展的细胞培养研究，即人类皮肤、肺成胶原细胞对一定电磁场强度和交变密度的反应对W。

A method of seismic exploration (140), using conversions between electromagnetic (144) and seismic energy (147), with particular attention to the electromagnetic source wave form used.

一种地震勘探方法(140)，利用电磁能量(144)和地震能量(147)之间的转换，特别涉及所用的电磁源波形。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。