This article introduces the conception and theoretical framework of ecologic added-value in terms of economics and analyzes that it is necessary to optimize the distribution of ecology input from the perspective of each level of aquaculture and to reinforce connection within the whole industry in order to increase the ecologic added-value and competitive advantages of coastal aquaculture industry.

Elementary Introduction about Metal Surface Techniques and Enhancing the Value Added of Metalworking;

In the modern economy word,value added is which the goal all rational companies pursue.

In terms of the present trend of excessive packing for which some enterprises are in efforts to have the commodities value added,through the social psychological analysis,the article proposes that only perfect package can create the added value based on some samples study.

Research about the way of increasing corn industry additional value in Jilin province;

The teachers select the new and original and exact, given their additional value at the same time, paying attention to its place in practice and the way of stating and so on, thus we could achieve good effect.

A mathematic model of maximizing additional value is set up in this paper.

Increase the added value of human resources management;

As a precious resource, C5 fraction can be used to produce a serious of chemical products with high added value.

Measures to improve added value of rabbit-hair fabric were discussed and analyzed.