1) concentrated nonlinear source
集中非线性源
1.
In this paper, we mainly consider the following Cauchy problem for the degenerate parabolic equation with a concentrated nonlinear sourcewhere m > 1, Q_t = R~n×(0,T), n≥2, B is an n-dimensionalball {x∈R~n : |x| < b}, (?)B is the boundary of B, xb(x) is thecharacteristic function of set B, v(x) denotes the unit inward normalat x∈(?)B.
本文主要讨论如下具集中非线性源的退化抛物方程的Cauchy问题其中m>1，Q_T=R~n×(0，T),n≥2，B是n维球{x∈R~n：|x|
2) nonlinear lumped model
非线性集中模型
1.
Transient responses of an active integrated antenna are analyzed by the FDTD algorithm incorporating the nonlinear lumped model of the Gunn diode.
将有源器件Gunn管的非线性集中模型直接编入时域有限差分算法 ,分析了有源天线的时域瞬态响应 。
3) Nonlinear Sources
非线性源
1.
This paper discuss the generaler porous medium equations with strongly nonlinear sources and convections terms, we obtain some properties of finite diffusing speed of solutions for the these equations or existence and expansion of interfaces to the non-negtive weak solutions, using the Harnack inequalities for nonnegtive weak solutions to the these e- quations.
本文讨论具有强非线性源与对流项的渗流方程，利用其解的Ｈａｒｎａｃｋ不等式得到弱解的具有限传播速度的性质或正解分界面的存在性与增长性。
5) nonlinear Cantor set
非线性Cantor集
1.
In the paper, ODR dimensional multifractal spectrum is defined, and a practical method for multifractal spectrum is given, concrete computation has been carried out taking the nonlinear Cantor set as an example, which shows the effectiveness of the method.
以非线性Cantor集为例进行了计算 ,从而说明了此方法的有效性 。
补充资料：集中
集中
concentration
iizhong集中(eoneentration)将分散的兵力、火力调集到一个方向、地区或目标的行动。目的是形成兵力、火力优势，为歼灭敌人创造条件。有兵力集中和火力集中;逐次集中和同时集中。中国古代用“聚”、“集”来表达集中的含义。古代作战仅限于兵力集中，近代出现了火力集中。集中需符合上级的企图和受领的任务，要求隐蔽、迅速和适时;周密组织计划，正确选定集中的时机、方向和地点，充分利用有利的地形、天候，加强各种保障措施，防备敌人的袭扰和破坏;采取多种机动方式，力求多方向、多路、突然达成;尽量缩短集中的时间，完成任务后及时疏散隐蔽。(王遵礼)
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参考词条