等离子体

Based on the source terms and fusion burn-up equations,a three-temperature plasma model is founded in which the electrons,ions,and the radiation filed are represented by separate temperatureskT_e,kT_i and kT_r,respectively,where kT_r is characterized by a Planckian distribution.

第四章建立了考虑α粒子慢化的两温模型和三温模型，首先导出了考虑慢化的α粒子对等离子体的能源项，替换已有的两温模型的等离子体能量密度方程中的能源项，将其改进为考虑α粒子慢化过程的两温模型，与瞬时沉积能量的两温模型作了对比，在不同的初始温度密度条件下考察了α粒子慢化对等离子体聚变燃烧的影响。

The thesis firstly introduces the basic characteristics of plasma, pyrogenation course and factors on the mixture of pulverized coal and primary air, and the combustion improving effect of reaction of plasma and pulverized coal.

首先介绍了等离子体基本特性、煤粉空气混合物在等离子体中的热解特性及其影响因素、等离子体对煤粉的促燃效果等。

Secondly, according to the construction and characteristic of the N-isopropylacrylamide and the temperature-sensitivity of PNIPA hydrogel, Pdualistic hydrogel was synthesized by microwave low temperature plasma. The effects of the factors on the swelling characteristic of P dualistic hydrogel, such as treatment time and power of plasma, concentrations of crosslinking agent and total monomers, proportion of AMPS, polymerizing temperature etc, was discussed in detail. The three dimensions structure , thermostability , reversional volume , swelling/deswelling kinetics, temperature-sensitivity and pH-sensitivity of the hydrogel were also investigated. The optimal synthesizing technics of P dualistic hydrogel initiated by microwave low temperature plasma was confirmed.

在此基础上，结合NIPA的结构特征和PNIPA的温敏性，用微波低温等离子体引发聚合了P二元智能凝胶，详细探讨了微波低温等离子体处理功率、处理时间、总单体浓度、AMPS单体浓度、交联剂浓度及聚合反应溫度等因素对P二元凝胶溶胀性能的影响；并对其三维交联结构、热稳定性、失水-吸水动力学、温度敏感性、pH敏感性、体积复原性等进行了研究；确定了适合微波低温等离子体引发聚合P二元智能凝胶的最佳工艺。

A new technology of plasma-photocatalysis combination was proposed to remove stenchful gas from sewage pump station.It was showed that this combination technology had a quite notable synergistic effect.And the synergistic effect could be enchanced by adjusting the distance between plasma unit and photocatalysis unit and setting some nets between them to eliminate the influence of negative charges produced by plasma unit.

尝试用一种等离子体光催化复合技术净化污水处理泵站臭气，研究表明，该种复合技术具有较显著的协同促进效应，通过改变等离子体发生单元与光催化单元的距离以及在两者之间放置去静电网，可消除等离子体单元产生的负电荷对光催化单元的不利影响，进一步提高其复合效应。

Simulative results show that the electron beam can be transported in the unmagnetized plasma-filled for two reasons. The first, the plasma neutralizes the majority of the space charge forces within the beam. The second, radial electric field generated by electron beam interaction with the plasma leads the beam to converge along axis. By PIC simulation, we find that atomic mass of the background ion effects on the Characteristics of the plasma-filled devices.

非磁化等离子体填充的RBWO-FEL的模拟表明只有在一较窄的背景等离子体密度范围内，电子注才能良好传输，产生泵波及激光功率输出，并都存在有峰值功率点，同实验观测到的结果完全吻合；该范围内，电子注的传输是由于背景离子中和了注中径向发散空间电荷力及注在等离子体中产生的径向的电场使注在轴向汇聚。

Plasma modification is consisted of Ar-H2 plasma etching and Ar-H2-CH4 plasma decarburizing, experiments have been done on direct current plasma spraying CVD device.

等离子改性处理工艺包括Ar-H_2等离子体刻蚀脱碳、Ar-H_2-CH_4等离子体渗碳处理，实验在直流等离子体射流CVD装置上进行。

One bituminous coal was gasified in steam medium with air as carrier gas under plasma conditions.

以水蒸气为气化介质、空气为输送介质，对煤在电弧等离子体中的气化行为进行了研究；所用等离子体反应器由石墨管阳极和石墨棒阴极构成；反应器内的等离子体通过外置线圈产生的磁场进行约束和控制。

Also, we derive the formulation of electric conductivity, dielectric coefficient and modulus decay of dusty plasma by considering the collision process between charged particles and charge process of dusty particles.

利用玻尔兹曼动力学方程和尘埃等离子体的充电方程，考虑等离子体中带电粒子之间的碰撞和充电过程，推导出适合火箭喷焰环境的尘埃等离子体电导率、介电常数以及衰减系数。

Originated from Maxwells theory and Drude model, we discussed the physical modelof surface plasmon wave and surface plasmon resonance under different conditions.Specially of metal thin-film structure, we study the propagation characteristic of SPWintensively, and carry out theoretical simulations according to ideal model and practicalmodel respectively under different thickness of the film and the wavelength of probe beam.

在理论上，首先从电磁场理论和Drude模型出发，讨论了在各种不同情况下的表面等离子体波的物理模型，并且进一步深入研究了表面等离子体波共振现象，特别针对金属薄膜结构下的表面等离子体波的传播特性进行讨论，对不同的膜厚和入射波长的情况对理想模型和有损模型分别进行了理论的模拟。

This method has been used in HL-2A tokamak for analyzing the magnetic island structures.

在这种方法中，我们利用对等离子体内部扰动的可靠模拟并和Mirnov探针测量数据相结合来反演等离子体内部的磁岛结构，以及磁岛在等离子体中的演变过程，从而为撕裂模研究和抑制提供可靠的数据，对撕裂模研究具有重要的意义。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。