The paper analyses the dynamic property of the overhead catenary system with the finite element method and obtains its first ten natural frequencies and models.

On the function of the harmonious development of human and nature in carrying out the scientific development viewpoint;

Harmonic co-existence of mankind with nature and reconstruction of comely landscape in Northwest of China;

Reflections on the harmonious development between man and nature;

Evolution:from Naturalism to Liberalism;

Doing Nothing,Natunal,Supernatural;

Percentage of natural killer T cells(CD3~+CD16~+CD56~+) in peripheral blood of healthy adults detected;

The Humanity, the Nature and Poetic Features in Theodor Storm s Fiction;

This article is intended to make a Marxist Philosophy-based theoretical analysis of the Theory of Human Center and Engels’s Doctrine of Revenge in an aim to explore the relationship between man and the nature and the theoretical base as well as the significance of the harmonious development of the two.

The whale subtly delineates the destroyed experience of human being during its fight with the nature.

The relationship between serum insulin-like growth facto II levels and early spontaneous abortion;

Two different genetic analyses of spontaneously aborted specimen;

The expression of decay-accelerating factor in recurrent spontaneous abortion.;