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1)  positive balance
正平衡
1.
An example is given on the new 300MW air cooling unit,which is studied by using a positive balance and counter-balance methods respectively,the characteristics and calculation results for the methods are compared to demonstrate that equivalent heat drop has an greatly advantage in increasing unit s performance and conducting local energy loss analysis,and raising energy saving measures.
以新型300MW空冷机组为例,分别使用正平衡、反平衡及等效热降方法对机组进行分析,这几种方法的特点和计算结果对比表明,等效热降法在机组性能及局部进行能损分析,提供节能改造手段等方面具有明显的优势。
2.
Taking 50MW unit for example, this paper introduces the calculation methods used for analyzing the unit economy, including methods of positive balance, anti-balance, equivalent heat drop and regular thermodynamic test, and also compares the features of these calculation methods as well as their inner relations.
 以某电厂50MW机组为例,介绍了正平衡、反平衡、等效热降、常规热力试验在分析机组经济性时计算方法,比较了这几种方法的特点和内在联系。
2)  positive equilibrium
正平衡
1.
Sufficient conditions are obtained for the positive equilibrium to be global attractive for this equations.
主要研究一类拟单调时滞微分方程渐近性态,给出方程存在全局吸引正平衡态的充分条件。
2.
We get the boundary of the solution and the existence of the positive equilibrium of the model, and obtain the asymptotically stabilities of the positive equilibrium of the mo.
提出并研究了一类具有阶段结构的单种群扩散模型,得到其在正平衡点处的稳定性和在零平衡点处的不稳定性。
3)  positive equilibrium
正平衡点
1.
In this paper,We study positive equilibrium kind of n-species food chain model under pollutde environment.
本文研究了污染环境中n阶食物链系统的正平衡点问题,得到了该系统存在唯一正平衡点的充要条件,并且在n=2和n=3时证明了正平衡点的稳定性。
2.
New sufficient conditions for the global attractivity of the positive equilibrium of equation is obtained, which improve some recent results in literature.
讨论平方Logistic差分方程xn + 1-xn=rnxn(1 +bxn -kn-cx2 n -kn) ,n =0 ,1 ,… ,其中 {rn}是非负实数列 ,{kn}是非负整数列 ,{n -kn}非单调递减 ,且limn→∞(n -kn) =∞ ,b∈ (-∞ ,∞ ) ,c∈ (0 ,+∞ ) ,给出了保证方程每一正解趋于正平衡点的充分条件 ,所得定理推广和改进了已有结果。
3.
The results obtained prove that a locally stable positive equilibrium point also contains global stability.
考虑了n维Lotka Volterra捕食被捕食链型系统 ,证明了正平衡点的局部稳定性蕴含了全局稳定
4)  positive equilibrium point
正平衡点
1.
Global stability of a positive equilibrium point on two-species competition model
两种群竞争模型正平衡点的全局稳定性
2.
Stability in the large of positive equilibrium point is obtained.
用化学动力学的理论建立了一个二次自催化反应的数学模型,并用定性理论对模型作了定性分析,得到了该模型的正平衡点的全局稳定性的结果。
3.
The local progressive stability around the positive equilibrium point M is discussed by using characteristic value law,and a necessary and sufficient condition is gained.
研究了3种群相互作用构成的群落的Volterra模型,利用特征值法讨论正平衡点M的局部渐进稳定性,得到一个充要条件;同时构造V函数得到M点全局稳定的充分条件。
5)  positive equilibrium
正平衡解
1.
By using the qualitative theory of differential equation and constructing Ляпунов functions,the bounded of time-delay and sufficient condition that guarantees positive equilibrium of system asymptotic stable are obtained.
采用Ляпунов函数方法,证明病毒感染的时滞免疫反应动力学模型dT/dt=γ-dT(t)-kT(t)V(t)dI/dt=kT(t)V(t)-δI(t)dV/dt=pI(t)-cV(t)的正平衡解稳定性,给出时滞的估计,证明时滞免疫反应系统的正平衡解渐近稳定和全时滞稳定条件。
6)  positive and reverse energy balance
正反平衡
1.
The positive and reverse energy balance analysis of gas turbine simple cycle;
燃气透平简单循环的正反平衡分析
补充资料:氨合成平衡速率氨平衡合成率
分子式:
CAS号:

性质:又称氨合成平衡速率氨平衡合成率。在不同的催化反应条件下,氨合成反应达到一定程度的化学平衡时氨合成的反应率或合成率。在实际氨合成生产中,不可能达到平衡氨合成率,在工业上设计氨合成塔时,就必须着眼于它的运行能最大限度地接近平衡氨合成率。

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