The existence condition for some types of integrating factor;
关于某些积分因子的存在条件
The existence conditions of interface spin waves of coupled two finite- ferromagnetic chains are investigated for anti-ferromagnetic coupling.
在均匀强磁场下,研究了反铁磁层间耦合的自旋双链系统中的界面自旋波的存在条件,结果发现:不管耦合多弱都会存在声学-声学型界面自旋波;若存在能隙,还会存在声学-光学型界面自旋波。
New existence conditions and new expressions for the inverse A#W were given,and an existence condition and several expressions for the weighted group inverse Ag,W of A defined by Cline and Greville were also given.
本文给出了加权群逆AW#的许多新的存在条件与新的表示,并研究了Cline与Greville定义的加权群逆的存在条件与表示。
To overcome those defects in design,the writer concludes the existing conditions for crank-rocker mechanism with non quick-return characteristics at first.
采用图解法和解析迭代法设计无急回特性曲柄摇杆机构存在设计精度低、计算复杂等不足,为了克服此类的设计不足,首先推导出无急回特性曲柄摇杆机构存在的条件,并依据无急回特性曲柄摇杆机构存在的杆长条件,结合曲柄摇杆机构处于极限位置及其出现最小传动角位置的杆长三角函数关系,推导出无急回特性曲柄摇杆机构的设计方程,再由设计方程求解出杆长的设计公式,并借助杆长的设计公式可直接计算出各杆的长度,使设计工作变得灵活、简单,而且设计精度高。
<ABSTRACT> In this paper,We prove a theorem cohich gives the existential conditions of AHC in a gramh G.
对AHC的存在性条件作了证明,并讨论了若干放松条件的可能性。
In this paper, the condition of bubble flow region existence is studied for upward gas liquid flow in a vertical annulus.
对垂直环形管内上升气液两相泡状流存在条件进行了研究 。
The existing condition and distribution on the solution of equation a~x=x;
方程a~x=x解的存在条件及分布
Existence Conditions and the Social Effect of China s Tax Burden Shift;
中国税负转嫁的存在条件及社会效应
Degree Conditions for Vertex-disjoint Cycles and Specified Factors in Graphs
图中存在独立圈及指定条件因子的度条件
Different sets of conditions of which some are "superior" and others "inferior" can coexist in a given space.
不同条件，其中有的条件“优越”，有的条件“低劣”，能在一定空间中并存。
an obligate anaerobe can survive only in the absence of OXYGen.
专性厌氧生物只能在无氧条件下生存。
There is a cut-off condition even for the fundamental.
即使是基模，也存在着截止条件。
(biology) able to exist under more than one set of conditions.
（生物学）能在不同环境条件下生存的。
Several conditions exist that may pose a threat to ingredient integrity.
存在威协原料完整性的一些条件。
It can exist and develop only under certain conditions.
而其存在和发展，亦必有相当的条件。
Polar bears can live in extreme cold.
北极熊可以在极度寒冷的条件下生存。
On Publicity and Public Conditions of Human Being;
论人的类存在的公共属性及公共条件
The necessary and sufficient condition of the optimal control existing in the stochastic Navier-Stokes equation;
随机Navier-Stokes方程最优控制存在的条件
The Condition of Equivalence and Implication for the Existence of the First Class Integrating Factor;
一类积分因子存在的充要条件及应用
Preconditions for the Tourism Cluster s Existing and Its Effects;
旅游产业集群存在的条件及效应探讨
On Requirement of Production and Existed Pattern ofInterpretation of Administrative Law;
论行政法解释的发生条件和存在形态
The Comparison of the Two kinds of Proofs Methods of Cranks Existence;
曲柄存在的条件两种证明方法的比较
Analyze the Condition of Existence, Motivation and Means of Earnings and Its Advantage and Disadvantage;
浅析利润管理存在的条件、动机及利弊
The Essential Conditions of Quasi-cyclic LDPC Codes without Girth 4
准循环LDPC码不存在四环的充要条件