The paper introduces applications of down-hole TV in checking structure of water source well and pipe fault, inducting to fish dropped material, checking and accepting water source well, checking formation structure and formation stress analysis of water source well and its obtained economic and society benefit.

The quality of engineering,economy benefit,society benefit of the Long-dong Great Bridge construction are discussed,and the personal experience is presented.

Application of Analytic Hierarchy Process in evaluating the social benefit of New Rural Cooperative Medical Insurance System;

Analysis of energy consumption, investment economy and social benefits of photovoltaic industry;

Application of sewage heat pump in Shenyang and its social benefit;

Four social benefits of heat power cogeneration;

Advances in forest resource and the ecological and social benefits research;

The social benefits of Korea(R.O.)TV plays and the inspiration to our TV plays;

Based on the features of eco-system of Gangu County, the ecological, economic and social efficiency of the eco-environment construction program was comprehensively evaluated by using evaluation index system in this paper.

From five aspects including the equipment introduction, the contract and the approval, the use management, the service management, the realization reward and punishment, I complete standardized management of large-scale equipment and enhance the social efficiency and the economic efficiency of equipmen

Ideas and methods of new technology are adopted in the construction, which gains good social efficiency and environment benefit.