structure matrix

This dissertation studies some structure properties and their applications to combinatorial sequences. The content is as follows: 1. By the first columns of Aigner matrix and its inverse, we characterize the concept of Catalan-like number pair and discuss their properties.

本文研究了组合递归序列的结构性质及应用，内容如下：1.通过Aigner阵及其逆的第一列，刻画了Catalan-like数偶的概念，讨论了它们的若干性质。

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This framework analyzed iterations involved in product developments by design structure matrix and extension-work transformation matrix. Then genetic algorithm is adopted to solve the optimal schedule of development tasks.

该模型在采用设计结构矩阵和扩展工作转移矩阵分析产品并行开发过程中存在的循环迭代基础上，运用遗传算法对开发任务的调度进行优化。

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Improvement to Power Plant Thermodynamic System Structure Matrix

电厂热力系统结构矩阵的改进

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The following results are achieved: ( 1) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure nA, the elements for matrix-strengthening can be chosen.

结果得出：（1）根据固体与分子经验电子理论，利用偏聚结构单元的最强共价键上的共用电子对数n A，可以选择工模具钢基体相的强化元素；

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Based on Shannon entropy in information theory, this paper establishes fuzzy design structure matrix.

利用信息论中的香农熵对信息流进行度量, 建立了模糊设计结构矩阵.

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In the classic global matrix structure horizontal differentiation along two dimensions: product division and geographic area.

在经典的全球矩阵结构中,水平差异沿二维方向发展: 产品部分和地理区域.

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This paper derived the transfer matrix for the bilayer structure composed of left-handed and right-handed materials.

推导出了由左右手材料构成的双层结构的转移矩阵.

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A diagnosis approach for detecting frame structure damages, based on the reverberation matrix method is investigated.

利用回传射线矩阵法,本文对方波脉冲作用下的框架结构进行损伤诊断研究.

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Advanced polymer matrix composites have been one of the mainly aeronautical structure materials.

先进树脂基复合材料已经成为重要航空结构材料之一.

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The conversion relationship of inertial tensor matrix under the conditions of gyration and aclinic shift of coordinate system for catastrophic structure vehicle is derived, and the same formal structure matrix is expressed by using matrix of quaternions product.

用四元数和与四元数乘积的矩阵表示形式结构相似的矩阵，针对结构突变飞行器固连坐标系有平动和转动的情况，推导了惯性张量矩阵的变换关系。

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Due to strong bonding to the matrix, the compact structure and lack of ionic selectivity permeation passage, the thickness of scale stops increasing and is kept stable since it forms at 48 hours.

该腐蚀-沉积膜与基体结合力强、组织致密、无离子选择性渗透通道，厚度在48h后的腐蚀过程中变化很小。

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To describe these two units, a Service elements-Activity-Dependency structure Matrix ( SeAD Matrix) was designed to modeling business process based on quality function deployment ( QFD) and design structure matrix ( DSM).

为了描述流程的可配置性和活动间耦合关系，本文以质量功能展开和设计结构矩阵为基础构建了新的服务元素-活动-依赖结构矩阵（SeAD矩阵）流程模型。

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in the proposed methodology, a reasonable technology division is realized by the structure-mapping function based on technologies and by the technology cell clustering based on the design structure matrix ( dsm).

该方法运用结构映射这一基于技术的功能和基于设计结构矩阵的技术单元聚类，实现了合理的产品技术分割；

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The comparison shows that the thermal etching carried out at a temperature lower than the sintering temperature can obviously reveal the grain structure of Al_2O_3 matrix. The metallic particles after thermal etching were not moved away from the samples, as normally occurred in chemical etching.

比较表明，在低于烧结温度约150℃下进行的热腐蚀能够清晰地揭示基质Al2O3的晶粒结构，并且与化学的效果不同，保留了金属相粒子。

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In-situ composites, consisting of reinforcing thermotropic liquid crystal polymers and thermoplastic matrix, are reviewed together with their preparation, structure and properties.

综述了由增强性的热致液晶高聚物和热塑料聚合物基体组成的原位复合材料及其制备、结构和性能。

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