Different forms of nitrogen contents and their vertical variations of transformation modes of the sediments of Lake Yuehu, Wuhan;

Therefore, the concept, evaluation standard and the four transformations of library benefits have briefly been discussed.

On evaluating the value of prospecting rights,how to accept or reject different types of resources or reserves is a difficult problem when evaluated with profit approach.

An effective way of raising immigrants income - export of labor services;

Two effective ways of small valley comprehensive regulation in Wuchang City;

The Effective Way of Increasing Peasants Income by Future Market;