电磁

Aiming at the problems of anti-jamming and apparatus security in measuring the Electrothermal-Chemical Gun's chamber pressure at present, and based on knowing the problems of doughty electromagnetism jam and voltages fluctuate in the course of ETCG's launch, we studied the measurement of ETCG's Chamber Pressure by use of the multilayer shield technology which solved the ETCG's chamber pressure testing problem, and the results were prove to be satisfied.

针对当前电热化学炮的膛压测试技术中存在的强电磁干扰和仪器安全性问题，在了解电热化学炮发射过程中的几种强电磁干扰和地电位浮动问题的基础上，引入了利用多层组合屏蔽技术的电热化学炮膛压测试技术，解决了电热化学炮膛压的测试问题，获得了良好的数据。

At the same time, this paper annaylses the particle-detector interaction and the detector response. The behaviors of electrons, photons and hadrons in EEMC are studied and they are also compared with the rusults in barrel electromagnetic calorimeter. Also, the calculation and realization method of standard electromagnetic interaction is compared with the low electromagnetic interaction.

同时，分析粒子与探测器相互作用及探测器的响应处理，分析电子、光子和强子在端盖量能器的行为，与桶部量能器的模拟结果进行对比研究，并对低能电磁相互作用和标准电磁住作用的计算方法和实现方法进行了比较。

Commercial experiments were implemented with M- EMS and F- EMS at a billet caster in Iron and Steel Group Company of Qingdao for high carbon steel casting.

对结晶器电磁搅拌和末端电磁搅拌改善优质碳素钢连铸小方坯质量的工业性对比试验进行总结，结果表明，在现有的工艺条件下，选择合适的搅拌参数可较好地改善连铸坯的中心裂纹、中间裂纹、中心疏松、缩孔、角部裂纹和中心碳偏析。

The selection rules for the angles of jaw clutch, the determination of the sup ply voltage for the magnet, the design of the control circuit to eliminate the so-called "striking jaw top" and the measures to reduce residual magnetism and the switching time are discussed. The code circuit designing method for the speed control of the spindle box in XHK 5140 machining centre is also described.

本文根据牙嵌式电磁离合器的使用情况，对离合器齿形角的选择原则、激磁电压的设计、消除顶齿的控制电路的设计，以及采用电容器放电消除剩磁和缩短断开时间等问题进行了讨论，最后介绍了XHK5140立式加工中心主轴用电磁离合器变速的译码电路的设计方法。

The neural network with knowledge-based neurons and generalized transmission line equation techniques are adopted for electromagnetic modeling as CAD tools with high performance.

在电磁建模方面，提出了知识人工神经网络方法和新型传输线方法，作为高效的CAD工具，其能实现准确和快速的电磁建模。

With establishing geological models, this paper numerically simulates the electromagnetic field, in which the receiving winding is vertical and parallel to the bole axis respectively, analyzes the amplitude of induced electrical potential in receiving hole and its variation with geological body, well-to-well distance, and transmitting frequency, and testifies the results with the data sets from three cross-well electromagnetic loggings in Shengli Oil Field.

本文以电磁场理论为基础，假设地下非均匀介质是关于发射器所在的井轴对称，发射源为处于垂直于井轴或平行于井轴放置的通以交流电的多匝线圈，对普通井及套管井井间电磁测井原理及方法、金属套管的几何参数及磁导率的确定方法、金属套管及发射频率等对井间电磁测井影响的规律等进行了系统研究。

Based on the dispersion equation of electromagnetic mode, the propagation characteristics in a lossy cylindrical waveguide are studied.

基于电磁模式的色散方程，研究了有损金属圆波导中电磁模式的传输问题。

Finally, the wave equation of the electromagnetic field of this kind damper isderived from the Maxwells equation. The magnetic flux density at the boundary isassumed to be harmonic, so the analytical result of the wave equation is solved. When therotor rotates, eddy currents flowing inside the conducting material field are caused. Thetangential force acting on the rotor because of the action between eddy currents andmagnetic field is produced. The tangential force causes a retardation torque, which leadsto the increase of power and heating effects.

最后，应用Ahrens的电磁轴承简化模型，从Maxwell方程出发推导了应用于本文所述的被动式电磁阻尼器的波动方程，并用傅立叶级数把矩形磁场展开的谐变磁场作为磁场的边界条件，通过求解波动方程得到磁场的解析解，从而计算了阻尼器对转子的电磁力和由涡流引起的切向力产生的阻尼器附加功耗。

Objective To study the protection effect of metal net-like defense cloth in visas and genistein on Jurkat cell after electromanetic pulse.

目的 利用在体动物模型观察镀铜织物物理金属网电磁屏蔽布(EM-4)对电磁脉冲辐照后免疫组织的防护效果，并在离体Jurkat细胞损伤模型上探讨药物防治的可能性。

Seismic energy is disturbed and attenuated seriously under the bad geological conditions for seismic exploration in southern Huanghai basin, and therefore the Meso-Paleozoic wave group of marine reflection seismic cannot be recognized and the seismogram does not meet the requirement for evaluation of pre-Tertiary oil/gas resources in southern Huanghai basin. In May 2006, marine magnetotelluric sounding experiment was carried out and reliable data were acquired.

针对南黄海盆地深层地震地质条件差，地震波受屏蔽，能量严重衰减，在海洋反射地震资料中很难识别反映中-古生界的反射地震波组，不能满足南黄海盆地前第三系油气资源前景评价的需要等问题，于2006年5月，开展了南黄海海域海底大地电磁测深试验，在盆地内五莲斜坡和胶州凹陷区布设了3个海底大地电磁测深点，取得了可靠的海底观测数据。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。