Functions of the river system is given such as natural function, service function, humanities and landscape function and disaster characteristics.

A healthy river means that it can bring its natural function and social function into play in a relevant period.

Dynamics of predators in rice canopy and capacity of natural control on insect pests in paddy fields with different nitrogen regimes;

Impact of nitrogen fertilizer on natural control capacities of invertebrate predators and parasitoids and its demonstration in rice-based ecosystem;

So the pines in the mixed forest grew better and had high tolerance towords the attack of Dendrolimus spectabilis,and thus had better natural control against the pest.

The renaissance of human being lies in the cognition and domination of nature, which is planned by God.

The Lack of Ethics or the Philosophical World View of "Dominating Nature"——Reflecting the Origin of the Modern Ecological Crisis through the Dominating of Nature;

This paper,to begin with,reveales complex ethical relations and ethical connotations in which Leiss explained the relation between science and dominating nature,and second expounds the ethical essence of domination.

It calls for an ethical transformation to surpass the intrinsic contradiction of dominating nature.

The design and realization of baggage automatic sorting control function based on FPGA

This paper presents the control functions of the main equipment for the No.

Compared with common instruments,it has advantages of reliability,lots of control function and good function of automation entirety.