结合原理

The impurities generating mechanism is explored and corresponding technical plan is provided for determining and diminishing the impurities including diphenyl methane, triphenylmethane, triphenylcarbinol, 4-methy benzophenone, 4-chloro benzophenone and etc. in order to produce high purity benzophenone.

利用化学技术、循环经济和产业生态学原理结合本生产工艺过程的特点确立包括碳循环、苯循环、工艺水循环、氯的回收循环等闭合循环技术组合，设计了光气即产即用技术、倾析分离技术、能量多级利用技术、蒸发—冷凝联用和多热源组合集成技术、二苯甲酮纯化技术等实用方案，实现经济地生产清洁的高纯度产品和生产过程废物零排放。

Combing the advantages of the compact spinning with Siro spinning, compact sirospun yarn possesses good performances of both the compact yam and two-ply yarn, such as high strength, less hairy, compact structure and high abrasion resistance. The principle and features of the compact Siro spinning technology are introduced in this paper.

紧密赛络纺将紧密纺与赛络纺技术相结合，所纺纱线具有紧密纱与合股纱的优点，毛羽少，强力高，结构紧密，摩擦性能好，介绍了紧密赛络纺纱技术的原理及特点。

It also deduces the robot motion model through two-wheel separated drive design and demonstrates the control theory that realizes by two wheels with different velocity.

结合移动机器人运动控制存在的难点，本文深入探讨了模糊控制系统的原理和设计方法，并提出了模糊控制策略在运动控制中应用的具体方案。

Researching on close relationship between reconstructing principle of the scheme and human visual system, combing multi-line scan and connected region shared independently, the dissertation has proposed a new pixel unexpanded scheme, applying which can make granularity of the reconstructed image smaller, and make borderline between regions clearer.

通过研究不扩展方案的恢复原理与人类视觉系统的密切关系，将多行扫描和各连通区域独立分享有效结合，本文提出了一种像素不扩展方案，应用该方案得到的恢复图像颗粒度小，且区域间界线清晰。

The paper first discusses the programming principles of how to exploit the parallelism underlying in sequential programs with the Parallel Programming Interactive Environment, explains the designing methods of the major functions and tools integrated in the PROFPAT (the PROgramming environment for the Fortran PArallel Transformer), and demonstrates its initial application process by the practice of interactive dependence analysis, loop parallelization, array privatization and unimodular transformation.

首先，本文从理论上深入探讨了如何借助并行程序设计交互环境帮助程序员分析和利用潜藏于串行程序中的并行性的原理，详细介绍了并行程序设计环境PROFPAT中集成的主要功能和主要工具的设计实现方法，并结合交互相关性分析、交互循环并行化变换、交互数组私有化变换、交互幺模变换等程序并行化分析、变换的初步应用实践，说明了这些工具和功能的应用方法。

The signal analysis methods based on the statistical theory of stochastic point processes for unit activity of neurons were described.

本文结合随机点过程的统计理论和数字信号分析原理探讨了几种神经元放电活动的信号分析方法。

Then the element equation and unit tangent rigid matrix are deducted on the basis of description of UL coordiate and principle of imaginary, the balance equation and overall tangent rigid matrix are integrated via introduction of terminal condition, and the nonlinear equation group is finally parsed on the basis of combination method of Newton-Raphson and increment.

接着基于U.L 坐标描述，从虚功原理出发推导出单元的平衡方程和单元切线刚度矩阵，引入边界处理条件集成了整体结构的平衡方程和总切线刚度矩阵，并采用Newton—Raphson 法和增量法相结合的方法求解非线性方程组。

In this paper we have studied the Upper bound for the time derivative of information entropy for a dynamical system driven by colored cross-correlated colored noises. The Fokker-Planck equation was obtained by using the unified colored noise approximation. The upper bound for the rate of entropy change can be calculated explicitly based on the definition of Shannon's information entropy and the Schwartz inequality principle.

" T！ z2 r" j0 S0 F5 J* T 摘要：本文研究了一种由色关联乘性和加性色噪声驱动的随机耗散动力学系统随时间演化的熵变化率上界，通过统一色噪声近似方法给出了该系统的近似Fokker-Planck方程，然后结合Shannon信息熵的定义及Schwartz不等式原理给出了该系统经近似后熵变化率上界随时间演化的精确表达式。

Making use of field matching method,combining with the variational method,the dispersion equation of the ridge loaded ring plane slow wave structure and small signal gain of this type of TWT are presented in this paper.

脊加载环板行波管是一种频带相对较宽的大功率行波管，本文用场匹配和变分原理相结合的方法，研究了脊加载环板慢波结构的导波特性及这种行波管的小信号、大信号特性，讨论了结构的几何尺寸及电子注参量对慢波的传播特性、小信号增益及注波互作用非线性效应的影响。

The numerical method of the variational principle combined with finite element method is presented in the paper.

文中介绍了运用该变分原理并结合有限元方法进行数值计算的方法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐