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optimization of     
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  优化
     The Optimization of Insulation Structure and the Automatic Design of Electromagnetic Scheme of Power Transformer
     电力变压器绝缘结构优化和电磁方案自动设计的研究
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     Studies on Gene Transfer of Soybean for Insect Resistance and Optimization of the Transformation Systems
     大豆抗虫基因转移及其转化系统优化研究
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     Optimization of production technology of recombinant human interferon-γ and studies on renaturation of α-Chymotrypsin
     重组人γ-干扰素生产工艺优化及α-糜蛋白酶复性研究
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     The Microstructure Control and Processing Optimization of Al_2O_3/ZrO_2 Laminated Ceramics
     Al_2O_3/ZrO_2层状复合陶瓷组织控制及工艺优化
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     ANALYSIS AND OPTIMIZATION OF RAFT FOUNDATION CONSIDERING THE EFFECT OF SUPERSTRUCTURE
     考虑上部结构共同作用的筏板基础分析及其优化
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  优化设计
     Dynamic Characteristic Analysis and Synthetical Optimization of Francis Turbine's Runner
     混流式水轮机转轮动力特性分析及综合优化设计
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     Structural Design Optimization of Offshore Platforms: Methods and Software
     海洋平台结构优化设计方法与软件
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     Study on Dynamic Optimization of Large Deployed Antenna and Structural Systematic Optimization
     大型星载可展开天线的动力优化设计与工程结构的系统优化设计
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     A Study on the Optimization of Unemployment Insurance
     失业保险制度优化设计研究
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     Research on Algorithms for Parameter Optimization of Power System Damping Controllers
     电力系统阻尼控制器参数优化设计研究
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  优化的
     Study on Decision Optimization of Pavement Maintenance Management System for Expressway
     高速公路路面养护管理系统决策优化的研究
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     Whole Continuity Model for Optimization of Arch Dam
     拱坝优化的整体连续性模型
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     Research on Distributed and Parallel Voltage/Var Optimization of Large-Scale Interconnected Power Systems
     大型互联电力系统分布式并行无功优化的研究
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     Study on Hierarchial Optimization of City Transportation System
     城市交通系统递阶优化的研究
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     Study of the Energy Level Properties and Configuration Optimization of Coupled Quantum Well
     耦合量子阱能级特性与结构优化的研究
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  优化研究
     Studies on Gene Transfer of Soybean for Insect Resistance and Optimization of the Transformation Systems
     大豆抗虫基因转移及其转化系统优化研究
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     Study of Structure Refinement and Optimization of Mechanical Proprieties for Superalloy K4169
     K4169高温合金组织细化及性能优化研究
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     Study on Simulation of Port Serving System and Optimization of Port Scale
     港口服务系统仿真与港口规模优化研究
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     Studies on the Optimization of Grazing System for Beef Cattle on the Mixed Sown Pasture of White Clover and Cocksfoot on the Lower Massif Hill in Northeast of Yunnan
     滇东北低山丘陵白三叶—鸭茅混播人工草地肉牛放牧系统优化研究
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     Study on Numerical Analysis of Plastic Extrusion Flow and Design Optimization of Extrusion Die
     塑料挤出流动数值分析及其模具结构设计优化研究
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  optimization of
The paper is concerned with the filled functions for global optimization of a continuous function of several variables.
      
A potential reduction algorithm is proposed for optimization of a convex funnction subject to linear constraints.
      
The experiment focused on the optimization of the separation of the extract from commercially available roller pen entries.
      
The molecular design, synthesis and optimization of lead compounds are important to the development of insecticides.
      
Model and algorithm for optimization of rescue center location of emergent catastrophe
      
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The effective noise figure of a nondegenerative parametric amplifier, loaded with a noisy second stage, is derived and expressed in terms of the coupling factor and the normalized negative conductance. The optimization of the effective noise figure of the system is then discussed in detail. The gain of the amplifier is also given in terms of the coupling factor and the normalized negative conductance, the relationship between the gain and the effective noise figure is thus found. An upper limit of the...

The effective noise figure of a nondegenerative parametric amplifier, loaded with a noisy second stage, is derived and expressed in terms of the coupling factor and the normalized negative conductance. The optimization of the effective noise figure of the system is then discussed in detail. The gain of the amplifier is also given in terms of the coupling factor and the normalized negative conductance, the relationship between the gain and the effective noise figure is thus found. An upper limit of the bandwidth of the amplifier is established in view of the optimum noise performance. Finally, a method of synthesis is suggested with numerical illustrations.

本文首先推导了级联着一个噪声很高的次级的参量放大器系统的有效噪声系数,并且用耦合系数和规一化负电导来表示;然后详细地讨论了这个有效噪声系数的最佳化问题。因为放大器的增益也可用耦合系数和规一化负电导来表示,因此在增益和有效噪声间获得一个单值关系式。从最佳噪声运用角度出发建立了放大器通带的上限值。最后,提出一个新的综合方法,并用数字例子作说明。

Expanding the magnetic flux in terms of the deviation from the magnetic axis, we have studied the MHD equilibrium and localized mode instability of an axial symmetric plasma torus with a small triangular and elliptical deformation on its cross-section. The optimization of the configuration has been analyzed and an optimal factor of the triangular deformation has been given. Our analysis shows that it is possible to strengthen ohmic heating substantially by selecting suitable factors of the triangular deformation....

Expanding the magnetic flux in terms of the deviation from the magnetic axis, we have studied the MHD equilibrium and localized mode instability of an axial symmetric plasma torus with a small triangular and elliptical deformation on its cross-section. The optimization of the configuration has been analyzed and an optimal factor of the triangular deformation has been given. Our analysis shows that it is possible to strengthen ohmic heating substantially by selecting suitable factors of the triangular deformation.

本文采用把流函数按到磁轴的距离展成幂级数的办法,研究了具有小三角变形椭圆截面的轴对称环状等离子体的MHD平衡和局部模不稳定性问题。文章分析了位形的最优化,给出了最佳的三角变形因子。分析表明,适当选择三角变形因子,会使欧姆加热得到显著的增益。

There are five important subjects in the theory of difference methods: 1. con-slruction of scheme; 2. Stability of scheme; 3. Computation of flow without viscous term; 4. Interference of boundary conditions; 5. Solution of steady flow. A lot of work has been done in this field, but no systematic theory has been developed.In this paper, systematic results are provided with particular reference to two-dimensional vorticity equation. Two classss of schemes are constructed based on conservation and transport property....

There are five important subjects in the theory of difference methods: 1. con-slruction of scheme; 2. Stability of scheme; 3. Computation of flow without viscous term; 4. Interference of boundary conditions; 5. Solution of steady flow. A lot of work has been done in this field, but no systematic theory has been developed.In this paper, systematic results are provided with particular reference to two-dimensional vorticity equation. Two classss of schemes are constructed based on conservation and transport property. A new concept concerning generalized stability and optimization of nonlinear scheme is introduced. The index s to generalized stability for periodic problem is estimated, which shows the relationship of stability and conservation. Two-level schemes are given to decrease the index s. The influences of bound shape, boundary conditions and their errors are fully discussed. Finally the existence of the solution of steady flow is proved and a dynamic relaxation method is proposed. Several examples are given, showing that the methods suggested here are useful both for numerical weather prediction, and in the field of aerodynamics and other subjects.

本文以二维涡度方程为例,系统地讨论了流体力学差分方程的理论问题.文中按照守恒律和传输律构造了许多格式,介绍了广义稳定性,严格估计了周期解问题的误差,分析了初一边值问题中边界形状、边界条件及其处理方式和边值误差对计算的稳定性的影响,又根据守恒律处理了无粘流及大梯度解的计算问题,最后,研究了定常流计算格式的解的存在性和动态松弛法的收敛性.文中的全部结果都是严格证明的,所采用的方法对一般流体问题也是适用的.文中还举例说明了这些结果在空气动力学计算和数值天气预报中的应用.

 
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