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1. The chemical compositions and structures of coker gatch and the changes rules were studied.

2. Gatch, the political scientist. 'They're more likely thinking, 'How the hell am I going to cash this?

3. The acidic reagent can remove the basic nitrogen in coker gatch very well. The operation is simple and the condition is mild.

4. An integration technology of solvent extraction succeeded by hydrocracking for processing coker gatch was developed by Refining Research Institute of Luoyang Petrochemical Engineering Company.

5. The mathematic model between molecular weight and benzene amine point of the coker gatch was presented in the paper.

6. In order to improve economic benefits and optimize feedstock, coker gatch was blended into hydro-cracking feedstock.

7. In order to improve economic results and reasonably use petroleum resources, coker gatch was blended with the feedstock in hydrocracking plant.