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It bring forward that semi-aerobic can accelerate degradation velocity of COD and ammoniac nitrogen and promote the stabilization process of landfill , which also affords technic guidance for accelerating landfill stabilization and leachate self-purity .

初步揭示了准好氧填埋垃圾降解的基本机理,分析了影响垃圾体降解的因素,为今后准好氧填埋技术的深入研究和工程应用提供理论基础和技术支持,并为厌氧填埋场的改造提供思路。

In this paper, after taking over coupling effect between electronic spin and orbital angular momentum, to revise the formula of electronic angular momentum in Bohr's theory, and electronic speed formula is obtained in a single-electron system, and to correct the energy level formula of atomic orbit in Schr? dinger's method by relativistic effect, the theoretical improving formula is built for spectrum fine splitting calculation, the calculated values are in good agreement with experimental ones, and reflect changing law of spectrum fine splitting values.

本文在考虑了电子的自旋角动量与轨道角动量的耦合作用后,通过对Bohr理论中的电子运动角动量的修改,推导出单电子体系的电子速度公式,结合对Schrdinger的原子轨道能级表达式相对论效应修正,从而得出本文的氢及类氢离子光谱精细结构值的理论计算公式,应用此改进公式,所得的计算值与实验观测值符合得很好,计算结果也反映了氢及类氢离子光谱精细结构数据变化的规律性。

A series of theoretical and experimental studies on the microstrip patch antennas with dielectric superstrates is carried out systematically. Firstly, a comprehensive survey of the microstrip antenna technology and its theories are presented. Then, two analysis techniques, named as the spectral domain Green's function method and the spectral domain integral equation method are developed. The SDGF method is a simplified analysis technique, which takes advantage of the spectral domain immittance approach to find the dyadic Green's function for the stratified media, and obtains the complete closed-form formulas for radiation patterns, directivity, efficiency, gain etc. Some interesting calculated results are presented. The SDIE method is capable of determining resonant frequency, radiation characteristics, input impedance etc, for the covered microstrip patch antennas. Comparing with other full-wave analyses it reduced computation and mathematical labour remarkably. The singularities near the pole location of the surface-wave modes and the difficulty of the integral computation over infinite range of oscillating integrands are dealt with actively and documented well. Results predicted by the SDIE method agree extremely well with our experimental results for resonant frequencies of various superstrates. The superstrate effects on impedance and radiation characteristics also have been investigated experimentally so that the gap due to lack of measured data and computed results for multi-layered superstrate has been filled to some degrees and two useful observations have been achieved for weakening the resonant frequency shift and optimizing the microstrip antenna gain. As a meaningful application, the design and analysis of a 4×4 patch array are introduced.

实用微带天线普遍加介质覆盖层来防护热,物理损伤和环境影响,也可能在飞行或严酷气候条件下自然形成覆盖层本论文对带介质覆盖层的微带贴片天线系统地作了一系列理论和实验研究首先,对微带天线技术和理论作了全面的综述然后,发展了两种分析方法,称为谱域格林函数法和谱域积分方程法SDGF法是一种简化的分析技术,它利用谱域导抗法来求得分层媒质的并矢格林函数,并得出方向图、方向性系数、增益等参数的完整的闭式公式,给出了一些令人感兴趣的计算结果SDIE法能确定介质覆盖微带天线的谐振频率、辐射特性和输入阻抗等与其它全波分析方法相比,它明显减小了计算量和数学工作量已有效地处理了表面波模极点附近的奇异性和对振荡的被积函数的无限区间积分计算的困难对于不同覆盖层情况下的谐振频率,由SDIE法所预示的结果与我们的实验结果吻合得很好对于覆盖层对阻抗和辐射特性的影响也已作了实验研究这在某种程度上填补了缺少实验数据和计算结果之间的间隙,并得出了缓解谐振频率偏移和优化天线增益的两点有用的结论作为有意义的应用,介绍了一个4×4元矩形贴片天线阵的设计和分析。

The purpose of this course is to make students being familiar with, and furthermore, mastering basic theory, knowledge and technique of pharmaceutical botany and pharmacognosy, to combine precious pharmaceutical legacy of our country with modern pharmacy, thus make better use of abundant natural medicine resource in the country to provide good health care to the people.

学习本课程是为了使学生熟悉和掌握药用植物学与生药学的基本理论、基本知识和基础技能,把祖国药学的宝贵遗产和现代药学较好的结合起来,以期能更好的利用我国丰富的天然药物资源,为人民保健事业服务。

The theoretical results of RMS radii and spin-parity values are in agreement with the experimental data.

理论计算的均方根半径和自旋宇称值与实验结果整体上符合较好,尤其是N=9同中子素中的2s1/2与1d5/2中子能级间的能级反转得到了较好的解释。

Experiments of two areas prove that the mathematical model for SPOT5 HRS stereo mapping is correct, and it can achieve a good precision. The experiments also prove that the formula of satellite stereophotogrammetry is right, and it can be applied to estimate theoretical precision of other satellite stereophotogramm-etry.

通过对两个实验区的实验证明本文的SPOT5 HRS立体测图的数学模型是下确的,并能够达到较好的精度;实验也证明了本文推导的卫星立体摄影测量的理论精度估算公式是正确的,并适用于其他卫星立体摄影测量理论精度的估算。

These will provide theoretical guides for the design and the exploit of new products; By means of tensile testing of large number of the bi-axial warp-knitted fabrics, this paper delineated the inherent law of tensile properties especially in the relationships between the ground structures, materials and the fabric tensile properties; This paper also explained the problems existing in the domestic testing standard and measurement method of the warp-knitted grid products.

这个理论模型将为经编双轴向立体骨架织物的性能设计及生产提供很好的理论保证;本文通过对大量经编双轴向立体骨架织物拉伸性能的测试,了解掌握了该类织物拉伸性能的内在规律,为该类织物的性能设计打下了坚实的基础。

Forced oscillation test results of rolling table show that the theoretical analyses are good in accordance with test results under condition of the different vertical location of tank within the ship, different water level of wing tanks and different opening of the damping baffle respectively.

结果表明,研制的试验摇摆台能够模拟在波浪作用下船舶横摇运动,设计的被动式U型减摇水舱具有一定的减摇效果;试验确定的水舱固有频率与理论估算值符合;对不同垂直位置布置、不同边舱液位高度和不同阻尼挡板开度情况下摇摆台的强迫振荡试验表明,理论分析与试验结果具有很好的一致性。

In order to get a better handle on what pioneering physicists believe about how time really operates, Jerry Bruckheimer and Tony Scott went right to the source: they picked the mega-sized brains of several worldclass physicists, including Dr. Brian Greene, an expert on String Theory and a professor of physics at Columbia University who has written such popular explorations of general relativity and quantum mechanics as The Fabric of the Cosmos and The Elegant Universe.

为更好地理解物理学先驱者的&时空扭转&学说,杰里·布拉克海默和托尼·斯科特对探究理论源头做了很大的努力:他们摘录了世界各国物理学家的论述,包括布赖恩·格林博士,他专攻超弦理论,是哥伦比亚大学的物理学教授,曾出版关于一般相对论和量子力学的科普型读物:《宇宙的结构》和《优雅的宇宙》。

In order to study the relatively intensity of Zeeman effect split spectrum line, the quantum number distribution and the relatively intensity are presented in detail by the analysis of Hg(546.1 nm) spilt spectrum line in the external magnetic field; the image of coherence circle is obtained by CCD, and the intensity of image is analyzed, the relatively intensity of the spilt spectrum line by image disposed is close to the theoretical result. It is concluded that the phenomenon and rule of Zeeman effect can be analyzed by CCD image technology.

为了研究塞曼效应分裂谱线的相对强度,分析了Hg(546.1nm)谱线能级在外磁场中的分裂情况,详细给出了分裂能级的量子数分布和理论相对强度;在此基础上采用CCD拍摄了分裂谱线干涉圆环的图像,并对其进行了强度分析,通过图像强度处理得到各分裂谱线相对强度与理论分析结果十分接近;表明采用CCD图像技术能较好的分析塞曼效应现象和规律。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。