structural mass

Multiobjective design optimization of truss structure is processed, on the base of considering the objectives of minimum gross mass and maximum system reliability and the conditions of constrains of stress and geometry, using the finite elements offsetting method in the structural analysis and design.

采用结构分析设计中的有限元位移法，考虑总质量最轻、总可靠性最高这两个目标函数和几何约束、应力约束这两个约束条件，对绗架结构进行多目标优化设计。

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On the other hand , structural analysis of oligosaccharides by mass spectrometric methods is simply introduced.

此外,还对糖蛋白寡糖链结构的质谱分析做了简要介绍.

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Structural Mass Model Updating Based on Optimization Algorithm and GVT Results

基于优化算法和GVT结果的结构质量模型修正

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The larger D_ ( PF) is, the more complex the distribution of structural plane is and the wider the range of directional distribution of preferred plane is and the worse the quality of rock mass is.

结构面分布分形维数D（PF）越大，反映结构面分布越复杂，优势面（南京大学罗国煜教授提出）发育的方向范围就越大，相应地岩休质量就更差；

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Advanced Product Quality Planning ( APQP) is a structural method to formulate the quality characteristics of mass customized product, to realize the process and to programe the control plan. APQP has important practical significance to the new product development.

产品质量先期策划（Advanced Product Quality Planning，APQP）这一结构化的方法对大规模定制产品的质量特征、实现过程以及控制计划进行合理的规划，具有重要的现实意义。

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And that, fundamentally, is why claims that we face huge structural problems have been multiplying: they offer a reason to do nothing about the mass unemployment that is crippling our economy and our society.

从根本上来讲，这也是为什么“我们正面临巨大的结构性问题”这类论断被放大的原因:它们提供了一个对正在残害我们经济和社会的大规模失业问题袖手旁观的理由。

六级真题- 2016年 6月 1卷 阅读B

On the structural studies of porphyrin compounds, chemical ionization mass spectrometry using mixture of tetramethylsilane and methane as reagent gas provide information about [ M+ 73]~+ ions and the results as the limitations of the method are described.

四甲基硅烷作反应气的化学电离质谱对卟啉的分析能提供有关[M+73]~+离子和分子结构的信息。本文研究了该方法的实验条件、分析结果和局限性。

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With the development of structural biology, the number of compounds and proteins are increasing, virtual screening application are facing the dual challenges of mass data storage and large-scale computation.

随着结构生物学的发展，化合物数量和靶标蛋白数量都在不断增加，虚拟筛选应用将面临海量数据存储和大规模计算处理的双重挑战。

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Result The system mass depended not only on the structural parameters and operational parameters of TIMES, but also on the operational characteristics of power subsystem and thermal control subsystem.

结果系统的质量不仅与废水处理系统本身的结构参数、操作参数有关，而且与电源系统和热控系统的工作特性关系密切。

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Tensor Analysis of Seepage Flow from Structural Plane Network of Rock Mass

岩体结构面网格渗透张量分析方法

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