The analysis of the reduction in late rice production in Guangxi in 2002 founds that the production reduction was the result of weather condition and social situation.

A new method on index forcast of production decline in oil reservoirs;

The application of production decline analysis for gas wells;

Influencing factors of production decline in fault block oil reservoirs in Shengli Oilfield;

The article discussed safety benefits and studied safety models in geological engineering from the point of view that safety increase output and decrease loss The authors further detailed the method of calculating safety increase benefits, which is very helpful for geological engineering corporations to calculate their economic benefit

This paper deals with an affective way of increasing production and reducing pollution by enhancing integrated control of production process in the middle sized nitrogenous fertilizer plants, including process improvement, equipment modification, waste comprehensive utilization, water reuse and strengthening environmental management and so on.

This paper analyses the submerge period and depth,rate of reduction of output of copper and educes the basic conclusion of and provides the reference gist for confirming discharge and design standard.