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Furthermore, the relative energies and other properties of these substances have been studied with the bond angle ranging from 90° to 180° at fixed bond length at the same level. From the results obtained, the occurrence possibili...

进而研究了当键角在90°-180°之间变化时，这些相关物质能量的变化规律，由此探讨了不同硝化机理发生的可能性，为以后进一步研究不同结构与活性的芳香化合物的硝化反应机理提供依据。

Furthermore, until conversion, the bondholder receives interest on the bond.

此外，直到转换为止，债券持有人一直可以获取债券利息。

Furthermore, along with the improvement of the standard of living, bone china known by the world as the top grade ceramics will be the their first choice, market capacity will be more and more.

而且，随着人们生活水平的提高，骨质瓷作为世界公认高档瓷将成为陶瓷消费首选，市场将越来越大。

This article is on the basis of reading much historical document and bookmaking, researching the garden aspects character and design principle of English Landscape Garden. Furthermore, with referencing Chinese Garden existing achievement and making use of typical examples to compare and analyze the two gardens, hope to get their commonness and differences from the design of space and structure, poem and painting artistic conception, design conception, gardening elements and etc.

本文在阅读大量文献基础上，运用中国园林的现有成果，以研究英国园林具体形态和设计手法为基础，通过典型个案具体分析，从园林的空间设计手法、诗画意境、设计理念、造园要素等多方位、多角度的对比分析，找寻两国园林艺术的共性及差异。

In the fourth chapter, firstly it introduces the Boolean functions algebraic expressions of the 2-value clock-controlled stop-and-go generator and Gunther generator. It reveals the balanced property of the two kinds of Boolean functions, and studies the Walsh cycle spectrum and the autocorrelation function. It also obtains the coincidence rate of their output sequences with affine sum of some bits of input sequences, and analyzes their ability of resisting the best affine approximation cryptanalysis and differential cryptanalysis. Secondly, we properly present a new definition of the Best Affine Approximation, namely BAA on the Boolean vector functions, followed by the spectral characteristic of such defined BAA attacks through using the decomposition formula of the union distribution for random variables. A lower bound of such BAA attacks is proposed. Finally, we also study the spectral characteristic of the second kind of nonlinearity of Boolean vector functions, followed by a higher bound of such nonlinearity. Furthermore, the limited relationship between the second kind of nonlinearity of Boolean vector functions and the linear structure of the linear combination of every component is analyzed.

在第四章中，首先给出了2值密钥流"停走生成器"和"衮特生成器"中实际存在的布尔函数的代数表示，揭示了这两类布尔函数的平衡性，随后研究了它们的Walsh循环谱和自相关函数等，得到了它们的输出序列与输入序列中的某些bit的仿射项的符合率，分析了它们抵抗最佳仿射逼近攻击和差分攻击的能力；其次，我们合理地给出了布尔向量函数最佳仿射逼近的新定义，利用布尔随机变量联合分布的分解式考察了相应的谱特征，并给出了布尔向量函数与其最佳仿射逼近的符合率的一个下界；最后，我们还考察了布尔向量函数第二类非线性度的谱特征，给出了布尔向量函数第二类非线性度的一个上界，并揭示了布尔向量函数第二类非线性度与其各个分量的线性和的线性结构之间存在的制约关系。

Using the theories of probability, algebra and spectral theory comprehensively, we investigate some related characteristics of logic functions in cryptography: Firstly, we introduce m order generalized s - correlation immunity of Boolean vector functions and prove that the higher order generalized ε- correlation immunity can guarantee the lower order generalized ε- correlation immunity. Then by applying decomposition formula of joint distribution of Boolean random vectors, we give a spectrum criterion of m order generalized e - correlation immunity of Boolean vector functions. Furthermore, we show that the algebraic degree of m order generalized e - correlation immune Boolean vector functions is not restricted by the correlation immune orders.

本文主要运用概率论的思想和方法，并结合代数学和频谱理论的相关知识，对密码学中逻辑函数的有关性质进行了研究，主要包括以下三个方面的内容：首先，对布尔向量函数的相关免疫性进行了拓展，给出了k维布尔向量函数m阶广义ε-相关免疫的概念，证明了布尔向量函数的高阶广义ε-相关免疫性蕴含低阶广义ε-相关免疫性，并根据布尔随机向量联合分布分解式得到了布尔向量函数m阶广义ε-相关免疫的一个谱判别条件，还说明了m阶广义ε-相关免疫布尔向量函数的代数次数不受相关免疫阶数的制约。

The thesis is organized as follows:In Chapter 1,a new partial differential equation model for Spontaneous Potential log in heterogeneous formations is introduced.At the same time,the existence and uniqueness of weak solution to the problem are proved,and the problem of resistance identification in SP log is studied.Furthermore,a jump condition capturing finite difference scheme is proposed and applied to solve such elliptic interface problems.The effects of various factors on SP response,which include objective layers resistivity,bed thickness,bore-hole diameter,invasion and water-flooded zones and so on,are investigated quantitatively by the proposed method, and satisfactory results are obtained.

具体安排如下：第一章首先建立复杂地层中自然电位测井的偏微分方程数学模型，证明了该边值问题弱解的存在唯一性，在此基础上研究了自然电位测井电阻率识别问题：然后发展了用于求解椭圆交界面问题的间断捕捉有限差分方法，利用该方法定量分析了目的层电阻率、地层厚度、井径、侵入带和水淹层等因素对自然电位测井响应的影响，取得了满意的结果。

Furthermore, delivery on time is the bottle-neck problem of supply chain agile operation in practice.

但在实践过程中，采购交付的准时性又成为供应链敏捷运作的瓶颈问题。

Furthermore, due to the historical site and its architecture is fresh and active subject in the city, an innovation and development is crucial as well. In this study, four consistent concepts to approach valuable suggestions for the conservation and development of certain historical site and its architecture will be discussed based on conservation and proper renewal, which are the boun...

本文以建立系统科学的历史风貌街区和建筑的保护更新机制为基点，从保护与更新的界定、保护性开发机制的系统性、管理体系的规范性和保护机制的持续性等四个方面，对天津的历史风貌街区和建筑的保护性开发提出建议，以期使宝贵的历史建筑文化资源在得到有效保护的同时进行科学合理的开发利用，并在实施城市的和谐和可持续发展战略中发挥重要的作用。

Furthermore,the existence of unbounded solutions for a second-order boundary value problem in infinite interval are obtained.

sect；3.4在没有。。。更多非线性项非负的假设条件下，解决了一类周期边值问题非平凡解的存在性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。