查询词典 preconditioning

Some special matrices and numerical characteristics related to iteration solutions of linear systems, convergence and comparison theorems of matrix splittings, preconditioning techniques for iteration solutions of saddle point problems are deeply studied in this thesis.

本文对与大型线性代数方程组迭代求解有关的特殊矩阵和数值特征进行了深入的研究，特别系统地研究了矩阵分裂迭代法的收敛性和比较理论及鞍点问题迭代求解预处理技术。

Ischemic preconditioning achieved by brief periods of ischemia and reperfusion before a prolonged period of ischemia was first described by Murry in the studies of protection of cardiac muscle in 1986, thereby human opened up the gate of endogenous protection of cardiac muscle.

此后，人们发现缺血预处理能够显著的减轻实质器官的缺血一再灌注损伤，如心、肝、肾、骨等，然而，关于肺缺血预处理保护作用的数据非常有限，有必要进一步探索缺血预处理对肺缺血一再灌注损伤的保护作用'l。

Objective To investigate the protective effects of ozone preconditioning on ischemia/reperfusion myocardium of rats and the mechanism of action.

目的 探讨臭氧预处理对大鼠缺血再灌注心肌的保护作用及其作用机制。

In order to study the role of the cardiac myocyte membrane KATP channel in ischemic preconditioning in vitro.

探讨KATP通道在心肌缺血预适应中的作用。

In Chapter 3,a hybrid adaptive CGNR algorithm based on the normal equationand polynomial preconditioning is derived.

第三章提出了一个基于法方程和多项式预条件的自适应混合CGNR算法。

And all of these are the materials preconditioning the over-all and coordinative development in human dignity.

这些都为人格全面、协调的发展创造了物质前提。

The parallel computing of the preconditioner is the bottleneck for the parallel computing of Krylov Subspace Methods. Based on norm-minimization technique, a parallel sparse approximate inverse preconditioning method is present for the unsymmetric sparse linear systems.

7预条件子的并行计算是利用Krylov子空间方法进行并行计算的瓶颈，我们利用矩阵的Frobenius范数，提出了一种构造一般非对称稀疏线性方程组预条件子的PPAT方法，该方法具有天然的并行性。

Objective: To study the effects of hypoxic preconditioning on cardioprotection and the mechanism of protection.

目的：观察缺氧预处理对乳鼠心肌细胞保护作用，并对其保护机制的产生进行探讨。

The third part, Chapters 9 and 10, discusses preconditioning.

第三部分，包括第九章和第十章，讨论预处理问题。

It's important to distinguish between presentation, performance, and preconditioning problems when dealing with depression.

它的重要区别套，性能及预处理问题，在处理抑郁症。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。