电磁脉冲

We had also performed numerical simulations to study energetic particle injection at L=3.5 to discuss the effect of different pulse parameters on particle injection.

我们也完成在 L=3.5 的电子流量模拟，讨论不同的脉冲参数对於粒子传输的影响和电磁脉冲传输粒子至该处的可能性，以了解是否此电磁脉冲模型可应用於了解磁暴时，在 L=3.5 处高能粒子流量增加的可能性。

However, electronic elements are easily interfered or even destroyed by many electromagnetic pulses. Therefore, it is very meaningful for researches on electromagnetism compatibility in buildings as well as other related topics, including simplified equivalence of complicate structural ferroconcrete walls.

但是电子设备中的电子元器件很容易受到各种电磁脉冲的影响甚至毁坏，所以对建筑物电磁屏蔽和电磁兼容、机箱的电磁兼容和复杂结构钢筋混凝土墙体等效成容易建模的素混凝土墙的研究，很有意义。

The transient state shielding efficiency of 3 kinds of plate shielding cabins is over 55dB, and that of full plate shielding cabin is the best. Based on the experimental results and the former related research results, the immunity requirements of high voltage test hall electrical equipment, and research suggestions for equipment, personal and test standards are proposed.

结合冲击放电产生的电磁脉冲的特点，分析了设备损坏的原因，对高电压试验大厅设备的脉冲电磁场抗扰度、脉冲电压抗扰度要求和防护要求进行了讨论，指出了现行标准的不足，提出了对脉冲电磁场生物效应进行研究的建议。

The results indicated that EMP can promote necrosis and apoptosis of hippocampal neurons,induce morphological changes in blood vessels, neuroglia cells and neurons at early stage, which may be the possible injury mechanism in rat brain induced by EMP.

表明大鼠大脑受电磁脉冲辐照后早期海马区可发生神经细胞坏死和凋亡，以及各组织成分的病理形态学改变，上述变化可能与电磁脉冲致细胞DNA损伤有关。

A numerical method in time domain on skin current of ground laying shielded cable excited by electromagnetic pulse is studied.

为克服传输线理论方法求解电磁脉冲电缆耦合问题存在的不足，对电磁脉冲电缆耦合问题进行了时域求解方法的研究。

FDTD numerical analysis and experimental simulation were carried out to study the shielding effectiveness of following models: metallic cavity with aperture and reinforced concrete layer exposed to the EMP plane wave, solid and meshy ferromagnetic shielding materials exposed to transient magnetic fields.

采用FDTD法作数值分析、进行电磁脉冲模拟实验，研究了有孔缝金属腔体、钢筋混凝土层对平面波型电磁脉冲场的屏蔽效能及其影响因素；实壁及网状铁磁屏蔽体对脉冲磁场的屏蔽效能。

The various functions of the apertures are essential to the shielding box. Electromagnetic pulse couples into the shielding box through the "back-door coupling", which inevitably interferes with or damages the electronic components used in the shielding box.

而屏蔽机箱上各种功用的孔缝是必不可少的，电磁脉冲通过&后门&耦合进入屏蔽机箱，并对其内的电子元器件进行干扰或毁伤则是不可避免的，也是电磁脉冲进入屏蔽机箱的重要途径之一。

Physical model of computer box is established and through analyzing the changing curves of change of electromagnetic field with time and change of coupling coefficient with frequency, the coupling regulation of electromagnetic on computer box is obtained. It is as follows: electromagnetic pulse has a great effect on components of computer box through apertures and slots, the coupling energy in the box increases first and then decreases. The existence of components decreases the shielding effectiveness and resonant frequency.

建立计算机机箱的物理模型，通过分析机箱内的电磁场随时间的变化曲线和耦合系数随频率的变化曲线，得到电磁脉冲对计算机机箱的耦合规律：电磁脉冲可以通过孔缝进入机箱内部，对机箱内元件的瞬间影响较大；机箱内的耦合能量是先增加后减小；元件的存在使得机箱的屏蔽效能降低，谐振频率下降。

The response of a short single-wire line excited by EMP was theoretically investigated and experimentally validated by means of an EMP simulator.

研究了有界波电磁脉冲模拟器下短线缆效应的理论建模和实验方法。基于传输线模型计算了线缆在有界波电磁脉冲模拟器辐照下的电流响应。

The permanent advantage company develops the high performance electromagnetism screened room, fords the dense shield engine room, the high-pressured test bureau to put shields the workshop, the nuclear magnetic resonance screened room, electromagnetic pulse products and so on protection room, micro wave darkroom, electromagnetic wave shield gate, electromagnetic screen cabinet, follows close on the international vanguard technology unceasing development new product, provides the high performance price for the user compared to the quality product.

恒利公司研制的高性能电磁屏蔽室、涉密屏蔽机房、高压测试局放屏蔽厂房、核磁共振屏蔽室、电磁脉冲防护室、微波暗室、电磁波屏蔽门、电磁屏蔽柜等产品，紧跟国际先进技术不断的研制新品，为用户提供高性能价比的优质产品。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。