查询词典 substitution method

The aim of this paper is to study the atomic near neighbour structure in substitution solid solution.

本论文综述了近二十年来，利用EXAFS谱技术研究固溶体中原子近邻结构的文献。

The synthesis methods of energetic salts and energetic ionic liquids(cations including triazole, tetrazole, bridged azole, hexamethyenetetrammonia, etc;and anions including nitrate, perchlorate, azide, tetranitratealuminate, polycyan anion, N,N'-dinitrourea, etc.) are reviewed, and the effects of cations, anions and their substitution groups on melting point, enthalpy of formation, density of the materials are summarized.

本文综述了多种含能盐和含能离子液体（阳离子包括三唑、四唑、双环唑、六次甲基四胺等；阴离子包括硝酸根、高氯酸根、硝基唑、叠氮根、四硝基铝、多腈基化合物、二硝基尿素等）的合成；结合其表征结果分析了阳离子上的取代基以及阴阳离子对它们的性能如熔点、生成焓、密度等的影响。

The procedure for solving the Eqs is called back substitution.

解方程组的这一步骤叫回代。

Firstly, based on natural gradient and nonlinear principal component analysis, a matrix equation is obtained by block recursive updating,and then the matrix equation is solved using QR factorization and back substitution to obtain the optimal separating matrix.

此外，结合自然梯度和非线性主分量分析提出了一种块递归的盲源分离方法，构造出按块递归更新的矩阵方程，然后用QR分解和回代法求解该矩阵方程得到最优分离矩阵。

Firstly, based on natural gradient and nonlinear principle component analysis, a matrix equation is obtained by block recursive updating, and then the matrix equation is solved by using QR factorization and back substitution to obtain the optimal separating matrix.

首先基于自然梯度和非线性主分量分析，构造出按块递归更新的矩阵方程，然后用QR分解和回代法逐块求解该矩阵方程得到最优分离矩阵。

The correct rate of back substitution of discriminating is 100%. The contents of copper, iron and magnesium of other fruits such as Chinese goosebery and guava were put into the mathematic model, and the results indicated that the mathematic model is suitable for discriminate the nature of fruits.

得到数模为Y=-10.19173X_8~(-1)。42593X_5+0.14975X_4，即100 克水果可食部中X(8铜)、X5和X4的含量代入以上方程，如果函数值在温热性区间(-0.6423171，0.5275019)，则该水果属于温热性，如果函数值在寒凉性区间(-∞，-0.6423171)或(0.5275019，+∞)，则该水果属于寒凉性。

In the predicted process, the forward simplification is used to get the interface equation, meanwhile taking the voltage of the concentrated grid as control vector to solve the control step length; in the correction process, by means of forward simplification and back substitution the Newton linearization incremental equations of both concentrated computational grid and contracted nodes are solved alternately.

进行计算时，通过前向简化形成预估环节的接口方程，同时以浓缩网络的电压为控制电压向量求出控制步长；校正环节通过双向迭代方法交替实现对浓缩网络和收缩节点的牛顿法线性增量方程的求解。

A backslash followed by the $ character results in a $ character in the text literal, without doing any variable substitution.

一个反斜杠后跟着一个$字符结果是一个文本字面值的$字符，不做任何变量替换。

Many other template engines for PHP provide basic variable substitution and dynamic block functionality.

许多其它PHP模板引擎提供了基本的变量替换和动态块功能。

Molecular geometry optimization and electrochemistry suggested that the energies of the frontier orbitals and electron densities of C1 and C2 could be correlated to the position of benzophenone substitution as well.

分子结构优化与电化学的研究表明，两个分子的电子密度分布与前线轨道能量亦与二苯甲酮取代位置表现出一定的相关性。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"