优化程序

In high selectivity enrichment culturing process and rapid screening procedure, the succinic acid producers with starchness and saccharide were isolated from bovine rumen.

本研究通过采用选择性较强的富集培养和快速准确筛选程序，从牛瘤胃中分离出适于淀粉质原料的琥珀酸产生菌，并进行相关的生理生化鉴定：通过紫外照射诱变育种得到琥珀酸高产突变株，优化培养基组成并确定最适发酵培养条件。

PSO algorithm is fast and has a strong convergence of jumping out of the local optimal thus ...

PSO算法具有快速收敛而且有很强的跳出局部最优从而找到全局最优点的能力，故可以用它来训练优化神经网络，此程序主要研究这个方面。

PSO algorithm is fast and has a strong convergence of jumping out of the local optimal thus find the most advantages of the overall capacity, it can be used to train the neural network optimization, this procedure major study this aspect.

PSO算法具有快速收敛而且有很强的跳出局部最优从而找到全局最优点的能力，故可以用它来训练优化神经网络，此程序主要研究这个方面。

Main Curriculums: Higher Mathematics, Engineering Mathematics, College Physics, English, Descriptive Geometry and Building Cartography, Program Design and Arithmetic, Introduction to Java, Network Database, Numerical Analysis, Tensor Analysis, Specialty English, Document Retrieval and Utilization, Introduction to Mechanics, Theoretical Mechanics,Mechanics of Materials,Structural Mechanics,Computational Mechanics and Engineering Software, Theory of Plate and Shell, Theory of Elasticity, Composite Mechanics, Advanced Structural Mechanics,Plastic Mechanics of Structural Engineering, Fluid Mechanics, Experimental Mechanics, Vibration Theory, Soil Mechanics and Foundation, Steel Structures, Concrete Structures, Engineering Construction and Engineering Estimate, Engineering Signal Analysis and Processing, CAD of Structure, Design of Structural Optimization, Modern Testing Technologies.

专业课：高等数学、工程数学、普通物理、英语、政治、画法几何及建筑制图、程序设计与算法语言、Java基础、网络数据库、数值分析、张量分析、专业英语、科技文献检索、力学概论、理论力学、材料力学、结构力学、计算力学与工程软件、板壳理论、弹性力学、复合材料力学、高等结构力学、结构工程塑性力学、流体力学、实验力学、振动理论、土力学与地基基础、钢结构、混凝土结构、工程施工与概预算、工程信号分析与处理、结构CAD、结构优化设计、现代测试技术等。

This dissertation proposes group reasoning and group AHP-based GDSS structure and its decision steps to solve the problems existing in research of theory and application of GDSS. Besides, the dissertation also studies the method of group reasoning on rough-set and qualitative reasoning method basis in GDSS. It also studies on constructing method of hierarchy structure of group AHP in GDSS and combinative method of judgment matrixes. Moreover, it studies on method regarding construction of judgment matrixes on rough set based and optimization theory of convex combination parameters of judgment matrixes as well. Finally, it develops an AHP based GDSS to demonstrate the efficiency of these methods.(1) This dissertation also summarizes the developing trend of GDSS and analyses problems as regards the research of GDSS.

本论文针对GDSS理论研究及应用中存在的若干问题，提出了基于群体推理及群体层次分析法的GDSS结构，并给出了基于该结构的GDSS的决策程序；研究了GDSS环境下的基于粗糙集理论及定性推理技术的群体推理方法，并举例说明了方法的有效性；研究了GDSS环境下群体AHP层次结构的建立、判断矩阵集结的理论与方法；研究了判断矩阵凸组合系数的优化原理；探讨了基于Rough Set的判断矩阵构造方法；开发了一个基于AHP的GDSS原型系统，旨在验证本文关于GDSS环境下群体AHP有关方法的有效性。

It will expose the design problem of maintainability of civil airplane to the early stage of design. This paper discusses the composing of the virtual maintenance environment, builds non-immersion virtual maintenance environment of undercarriage, and establishes a part library management system. The characteristic of maintainability models and maintainability analysis based on virtual technique is researched to give the maintainability frame model of civil airplane virtual maintainability analysis. All levels of maintenance time model and maintenance man-hour model are established. Analog-Huffman code is proposed to optimize space partition method in traditional collision detection arithmetic."Maintenance therblig"is brought into the broken down of maintenance tasks, and the new maintenance tasks broken down method is proposed. The demands of human measure, position, and equipment layout in human engineering are discussed, and the verification methods of human measure, position and equipment layout in virtual maintenance are given. Basic principle and verification procedure of maintainability virtual verification is developed primarily, and the reachablity, the visibility, and posture-comfortability are verified.

本文论述了虚拟维修环境的组成，构建了某型飞机主起落架非沉浸式虚拟维修环境，建立了维修对象的零件库管理系统；研究了基于虚拟技术的维修性模型特点及维修性分析流程，给出了基于虚拟技术的民机维修性分析框架模型，并结合传统维修性模型，建立了各级维修时间模型和维修工时模型；提出类HUFFMAN编码，结合人因工程的要求，优化了传统碰撞检测算法中的空间分割法，使之适用于柔体；在维修性分解中引入"维修动素"，给出了与CATIA、DELMIA等应用软件结合紧密的维修任务分解方法；论述了人因工程中对人体尺寸、姿势、设备布局的要求，给出了虚拟维修中人体尺寸、姿势分析、民机内设备布局的验证方法；初步制订了维修性虚拟验证的基本原则和验证程序，并结合具体实例对可达性、可视性、干涉性以及人体姿态舒适性进行了验证，较清晰、真实地反映了维修人员的维修状态。

According to the three criteria, an appropriate doorsill is found by adaptively adjusting a discount factor in the process of iteratively solving. 2. 3 Method of Processing the Deleted Elements According to the doorsill, the continuous topological variables can be regressed to the 0-1 type discrete topological variables.

2.2 调整折减系数搜索最佳阈值为了能使程序快速准确的得到满足约束的最优拓扑结构，根据框架结构的特性引入结构非奇异、结构响应不被违背和结构重量不改变三个准则判断迭代收敛，并根据这三个准则的满足情况，在优化迭代过程中自适应的调整折减系数来搜索最佳阈值。

In this paper, the calculation program of optimal design and ultimate analysis of truss structures is worked out.

本文编制了网架结构优化设计和极限分析的计算程序。

Objective To optimize the test protocols in the detection of D-dimer by immune turbidimetry,and to extend the detection ranges.

目的优化实验程序以拓展免疫比浊法定量检测D-二聚体的检测范围。

We developed a 2D3V (two dimensional in space and three dimensional in velocity) particle-in-cell code APIC2D.

该程序的主要特点是对粒子模拟中的一些算法进行了优化，主要工作包括： 1、将等离子体粒子模拟中得到广泛应用的Borris旋转推动粒子方法进行了改进。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。