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In this thesis several problem in the numerical simulation of intense relativistic pulse diode are analyzed and studied in detail.

本论文对强流相对论脉冲二极管数值模拟中的若干问题进行了深入的分析和研究。

Relativistic quantum mechanics is the historical origin of the Dirac equation and has become a fixed part of the education of theoretical physicists.

相对论量子力学是Dirac方程及其发展为理论物理教育一个确定分支的历史渊源。

In this book the emphasis is on the role of the Dirac equation in the relativistic quantum mechanics of spin-1.2 particles. We cover the range from the description of a single free particle to the external field problem in quantum electrodynamics.

本书着眼于Dirac方程在1/2自旋粒子的相对论量子力学的作用，覆盖了从单个自由粒子的相对论量子力学到量子电动力学的外加场问题。

At first, we introduce in detail relativistic mean-field theory, where a common Lagrangian density is presented. Starting with this Lagrangian density, we can obtain the Dirac equation and Klein-Gordon equations for nucleon and meson field by using Euler-Lagrangian equation.

本文首先详细介绍了相对论平均场理论的一些公式推导，给出了常用的一般的相对论平均场的拉格朗日量，从这个拉氏量出发，利用Euler-Lagrange方程就可导出核子与介子场的运动方程。

This work is sometimes said to have influenced Paul Dirac in his creation of the Dirac equation for the relativistic electron, though Dirac stated that he invented these same matrices himself independently at the time, without Pauli's influence.

泡利的主要成就是在量子力学、量子场论和基本粒子理论方面，特别是泡利不相容原理的建立和β衰变中的中微子假说等，对理论物理学的发展做出了重要贡献。1945年，泡利因他在1925年即25岁时的"发现不相容原理"，获诺贝尔物理学奖。

Spin-orbit coupling is a kind of relativistic effects, which are basic matter foratom and molecular physics. There is significant important in computing spin-orbitcoupling for comprehending and understanding photochemistry reaction,photosynthesis, activity for photobiology of druggery, and noctilucence and so on.

自旋-轨道耦合作用作为一种相对论效应，是原子分子物理学中的基本问题，研究它对我们正确理解和认识光化学反应、光合作用、药物的光生物学的活跃性和生物发光等过程至关重要。

We show that the burst is powered by the same relativistic fireball mechanism as long GRBs, with the ejecta possibly collimated in jets, but that the total energy release is 10–1,000 times smaller.

我们发现爆发作为一个长时间的 GRBs是相当强大的如相对论机制的火球机械，理由是我们对喷射流中的喷出物进行了可能地校准，确定总能量释放是 10 – 1，000 倍比较小的爆发。

Using relativistic multi-configuration Dirac-Fock theory,we calculate the transition data of 3dj-nfj'(n=5,6,7) for the M-shell from an Ni-like Au ion to an As-like Au ion using the GRASP programme with the corepolarization,quantum electrodynamical effect and Breit correction.

根据扩展的相对论多组态Dirac-Fock理论计算得到的Au^47＋～Au^53＋离子的平均离子寿命、能级能量和能级简并度，计算了各离子的电离速率常数、复合速率常数和配分函数，并由此得到了离子间的电离-复合平衡常数。

This thesis revealed the contradictions existing in the relativistic electrodynamics.

揭示了相对论电动力学中存在的矛盾。

Due in large part to relativistic effects this element possesses unique properties such as a higher than expected electron affinity and the formation of strong covalent bonds to soft elements like the heavier halogens and sulfur.

在大的部分由于这元素拥有独特特性的相对论性效应象那样一高，期望电子密切关系和对象更沉重的卤和硫一样的柔软的元素的强大的covalent 契约的形成。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。