Confirmation of Time Cycle to Operate Pump for Propel During Stopping Transportation;

The Relationship About the Venom s Collection Cycle and the Quantity of the Gloydius ussuriensis Emelianov;

Beijing real estate market cycle analysis based on principle componential and spectral analyses;

The Study of Periodic and Chaotic Behavior in Three Cells Cellular Neural Networks;

Optimal Control for Periodic Age-Dependent Population Dynamics;

Key Property of Solutions for Periodic Linear Differential Equations;

Properties of periods of elements in zero-symmetric BZ-algebras;

In order to study the joint distribution of the wave heights and periods of the sea wave under influence of the variance of water depth, 236 records of sea waves classified as three groups according to the rank of the water depth factor(H￣*),were analysed in this paper firstly.

In this paper,we study the periods of transversal vibration for a tense symmetric double elastic oscillator.

Study on fouling performance and optimization cleaning period of water cooler sets;

The effect of sintering temperature and period for nanocrystalline NASICON materials;

Reducing coke formation and realizing long period operation for catalytic cracking unit;

A new characterization on the periodicity of function $f(x);

In this paper the author researches the periodicity and statistical characteristics produced by linear congruence and combined generator through numerical value tests, and puts forward a random numeral generator with a long periodicity, a good independence and homogeneity.

The method for mining the periodicity and association rules fr om temporal database is presented.