A simple method for preparing m -cresol from m -toluidine via diazonium salt at room temperature using copper salt as a catalyst is proposed.
提出一种以间甲苯胺为原料，在铜盐催化室温条件下，经重氮盐制备间甲苯酚的简单方法。
This paper presents advantage of M-sequences ciphers system by using m sequences as key sequences and proposes the design method of this system based on VHDL language.
文章介绍了用M序列为密钥序列的序列密码系统的优越性，提出了采用VHDL语言来设计这种序列密码系统的新方法。
The number of the intersection points which some conjugate states of M sequence are in the state-graph of M sequence has closely relation to the cut-joining method of M sequence .
序列中的共轭状态在M序列的状态图中的交点个数与M序列的剪接构造法有密切的关系。
The robust M-estimate of the unknown function is proposed by local linear method, and the robust M-estimate of the unknown parameter by tow step method.
用局部线性方法给出未知函数的M-估计，用两步估计方法给出参数的M-估计。
These fractal algorithms are used to construct the generalized M set, and Newton's method is a strong tool to analyze and compute the important points in the generalized M set.
这些分形算法是构造广义M集的算法基础，而牛顿法则是对广义M集中特殊点进行数学分析与求值的重要手段。
The invention discloses a method for preparing m-oxethyl diphenylamine, which comprises the following steps in turn: 1) aniline and m-dihydroxybenzene are reacted to generate m-hydroxyl diphenylamine;
一种间乙氧基二苯胺的制备方法，其特征是依次包括以下步骤：1）、由苯胺与间苯二酚进行反应，生成间羟基二苯胺；
Survey research method: (1) questionnaire: First for views and suggestions of tutors, management staffs and students on the current ophthalmology M. M. graduates assessment;
调查研究法：（1）问卷调查法：先调查温州医学院研究生导师、管理人员和眼科学研究生对眼科学硕士专业学位毕业考核现状的看法和建议；
Survey research method: (1) questionnaire: First for views and suggestions of tutors, management staffs and students on the current ophthalmology M. M. graduates assessment;
调查研究法：（1）问卷调查法：先调查温州医学院研究生导师、管理人员和眼科学研究生对眼科学硕士专业学位毕业考核现状的看法和建议；
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