1) quasi normal vectors
拟正规向量
2) normalized vector
正规化向量
3) normal form of vector field
向量场正规形
1.
Since the conditional small disturbance method can not analyze the behavior,the normal form of vector field and the singularly perturbation theory were used to analyze the non-linear interaction within the power system to understand the dynamic characteristics with consideration of influences of network structure and load characteristics.
应用向量场正规形方法和奇异摄动理论,计及网络结构和负荷特性的影响,通过分析电力系统内部模式间的非线性相关作用来认识和理解系统的动态特性,深化了线性化分析中的特征分析理论,为分析强非线性下系统的稳定性及非线性动态特性提供了一条新的有效途径。
4) normal forms of vector fields
向量场正规形
1.
In order to determine the influence of different load buses on voltage stability,the power system power flow equations are analyzed by using the theory of normal forms of vector fields.
为研究不同负荷节点对电压稳定性所具有的不同影响程度,首先应用向量场正规形理论分析电力系统潮流方程,提出了以节点电压非线性参与因子作为依据衡量负荷节点影响电压稳定性的程度的方法。
2.
With theory of normal forms of vector fields, a novel method to solve this problem is proposed.
该文提出一种采用向量场正规形理论,以非线性参与因子为依据,确定SVC安装位置的新方法。
3.
The authors propose a method to analyze such system by the theory of normal forms of vector fields to the system singularly perturbed differential equation (SPDE).
随着现代电力系统的日益复杂和非线性程度的增加,电力系统在运行点附近表现出了复杂的动态行为,采用传统小扰动法难以凑效,文中将向量场正规形方法应用于电力系统奇异摄动模型,通过分析电力系统基本响应模式间的非线性相关作用来认识和理解系统的动态特性,深化了线性化分析中的特征分析理论,为分析强非线性下系统的稳定性及非线性动态特性提供了一条新的有效途径。
5) S-quasinormal
S-拟正规
1.
Influence of S-quasinormal Subgroups on the Structure of Finite Groups;
S-拟正规子群对有限群结构的影响
2.
Localized s-quasinormality of Some Subgroups of Finite groups
有限群子群的局部s-拟正规性
3.
We define s1(G) and s2(G) as the number of different orders of non-subnormal subgroups and the number of different orders of non-S-quasinormal subgroups,respectively.
设G是有限群,s1(G)表示G的非次正规子群的不同阶的个数,s2(G)表示G的非S-拟正规子群的不同阶的个数。
6) weakly quasi-normal
弱拟正规
1.
The main purpose of the present paper is to prove the following some theorems: for a finite group G,if G satisfies one of the following conditions,then G is supersolvable;(1) A maximal and cyclic subgroup of G is weakly quasi-normal in G.
利用弱拟正规子群概念,经推导得到有限群超可解的几个充分条件。
2.
In this paper we discuss the influence on an original finite group G when its Sylow subgroups and other subgroups are weakly quasi-normal,then we obtain some sufficient conditions for supersoluability of group G.
主要讨论了群G的Sylow子群及其他子群的弱拟正规性对群的影响,从而得到原群G超可解的几个充分条件的定理:1)群G有指数为素数的可解正规子群H,若H的每个Sylow子群的极大子群在G中弱拟正规,则G超可解;2)群G有指数为素数的正规子群H,若H的Sylow子群及Sylow子群的2-极大子群皆在G内弱拟正规,则G超可解;3)设G=AB,A超可解,B是P-群,p=maxπ(G),若B与A的极大子群可交换且A弱拟正规于G,则G超可解;4)M为G的幂零极大子群,若M及其极大子群皆在G中弱拟正规,则G超可解。
补充资料：拟正
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