查询词典 unsymmetric

We study the unsymmetric large sparse linear systems under distributed-memory environments. We present the Modified BiCG. And we also propose the s-BiCG methods which is suitable for parallel computing.

9研究了非对称大型稀疏线性方程组的分布式并行求解，在提出修订的BiCG算法的基础上，提出了一种适于并行计算的s-BiCG算法。

In Chapter One we give the background of large unsymmetric matrix eigenproblems and basic numerical algorithms for solving them. We review the state of the art of this subject. Finally, we describe the work of this thesis. In Chapter Two we make two improvements for the Jacobi-Davidson method combining with the refined projection principle.

本文正是在这一思想的引导下，对Jacobi-Davidson类方法进行了研究，全文共分四章：第一章介绍大规模非对称矩阵特征问题的来源、解决这类问题的基本方法以及本学科的发展现状、最后介绍本文所作的工作。

The"Brooker diviation"of the unsymmetric telluracarbocyanines is also discussed.

本文还探讨了不对称碲碳菁染料的&Brooker偏差&，结果符合一般规律。

Unsymmetric gear ; Bulk temperature distribution ; Scuffing load capacity ; Finite element analysis

非对称齿轮；本体温度场；胶合承载能力；有限元分析

As anexample,the stable regions are computed for a rotor system with the only diskhaving unsymmetric rotational inertia.

并计算了具有不对称转动惯量单圆盘转子系统参激振动的稳定区间。

Parametric design programs of the total tooth models of unsymmetric and symmetric involute gears were developed by Autolisp language, and the total models were transferred into ANSYS and calculated by finite element method.

用Autolisp语言开发了非对称与对称齿轮全齿模型的参数化设计程序，将生成的全齿模型导入ANSYS进行有限元分析。

Moreover, Arnoldi method was also applied to the generalized unsymmetric eigenvalue problem, which arised from the applying of BEM to the free vibration problem of elasticity.

此外，将Arnoldi法应用于由边界元法得到的非对称广义特征值问题，给出了这类特征值问题有效的减缩式求解方法。

The nano-ionic liquid containing metal complex could be an effective catalyst for oxidative carbonylation of amines to carbamates and disubstituted ureas and for synthesis of unsymmetric ureas from amines and nitrobenzene, in which turn over frequencies exceeded 10000mol/mol/h.

以该系列纳米离子液体为催化剂高效的实现了胺类化合物催化氧化羰化制备氨基甲酸酯和二取代脲（转化频率＞10000mol/mol/h）以及胺与硝基苯通过一氧化碳羰化制备不对称脲的过程。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失