Integration and innovation of city gas for co-producing methanol;

Application of city gas in anode Slime smelting furnace;

Comprehensive Report of Methane-More Study of City Gas;

In this paper,the weight of each evaluation gene of the coal mining city is determined by the pollution rates of them in order to establish a new concept called identification model with varying weight.

On sustainable development and countermeasures of the natural disasters of the coal city;

Comprehensive evaluation of coal city s sustainable development;

As a kind of special small city community,coal city is very important.

The geological disasters of coal cities and respective countermeasures in Heilongjiang province;

Uniting the reality of Prop of the Pingdingshan city,this paper analyze te main problems o the sustainable development through stating the characterof coal cities and put forward suggestions to the sustainable development of coal cities.

The small-moderate coal cities rely greatly on coal industry and its correlated industries,of which the secondary industry plays a dominant role.

The feasibility of using town gas instead of pure CO as reducing agent was studied in both separate desulfurization process and simultaneous desulfurization and denitrificatin processes.

The preliminary results, which are the jet feedstock of blast furnace and town gas manufacture with Zhalainuoer lignite at 10 t/h continual experiment equipment, is introduced in this paper.