5Electron Microscope for Scanning C. W. M Ash and Analysis on the Performance of Dedusting by Electro- Static Precipitator11-13
7Experiences on Reformation of Coal Slurry Treatment System in Anthracite Coal Preparation Plant15-17
8Prelimitary Analysis on Reagent System of Coal Slime Flotation and Flowsheet Selection at Dongqu Coal Preparation Plant17-18
9Technical Renovation of Ji g Washing System of No.2 Coal Preparation Plant, SDIC Xinji Energy Co. Ltd19-20
10Application of Direct Flotation Technology and Large Flotation Bed in Shunzhuang Coal Preparation Plant20-22
11Balance of Washing Water and Closed Water Circuit in Practice at Bailong Coal Preparation Plant23-25
13Technical Renovation of Raw Coal Preparing System before Washing in Practice at Longhu Subcompany Coal Preparation Plant27-28
16On the Necessity for Coking Coal Washery to be Equipped with Additional Moving Screen Jig for Gangue Removal34-35
18Research on Intellegent Measurement and Control System Fit on TZC- 1 (F) Jigging Machine with Wide Adjusting Range37-38