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151. The modified epoxies, ie, those with plasticizers added to improve workability, were found to be incompatible with the fluorocarbon flotation fluids.

152. Effects of sodium sulfide on collectorless flotation of galena have been investigated.

153. The basic behavior of self-induced flotation and externally controlled voltages flotation of pentlandite was investigated.

154. A combined flotation - hydrometallurgical technology was proposed for a refractory copper ore in Sichuan.

155. Cyclon micro bubble flotation column is a new type and highly efficient equipment for fine ore separation. It can accomplish roughing cleaning and scavenging in one pass and has good selectivity.

156. Fe ~ ( 3 + ) and Ca ~ ( 2 + ) ions show a high activating reaction on the flotation of spodumene and beryl.

157. After long-range research on rutile, satisfying index was obtained by unite technologic process—discarding tailing via gravity concentration and the flotation of rough concentrate.

158. The more collecting agent, the higher flotation concentration recovery of coal electrochemical flotation, the lower percentage of desulfurization.

159. The second was that cyanidation after alkali leaching was followed by flotation of cyanide residue.

160. Through the flotation test, the occurrence form, main carrier mineral and arsenic abundance in both types of coal are analyzed and calculated.

161. A new collector BK 307 for lepidolite flotation is investigated andcompared with mixed amine.

162. Answer: want first choice, remaking sand, through the magnetic separation, flotation or chemical purification, silica be 95 percent.

163. A bubble generator for flotation column was designed according to the principle of jet pump and its aerating performance has been experimented in the paper.

164. The calcined trona can replace soda ash for use in the flotation operation.

165. They'd assigned me a "swim angel" with a flotation device in case I had trouble, but I left her behind.

166. Flotation of Tonglushan refractory oxidized copper ore using a new - type reagent B 130 was investigated paper.

167. The effective potential range of self-induced flotation of galena and its lower and upper limits have been determined.

168. The flotation behaviour of platinum from stannous chloride- malachite green-water system in the presence of ammonium sulphate was studied.

169. Flowers wants to build up a minority holding in a newly created British super-mutual that could be sold via a partial flotation.

170. Waste emulsion was treated by method co - coagulation flotation and adsorption.

171. The results show that a cooper concentrate grading 19.10% at a copper recovery of 35.02% can be obtained when sodium sulfide is used for activation and butyl xanthate for flotation.

172. The physical method and chemical process were used to defoam the foam of flotation concentrate.

173. If you can't swim well but you need to cross a large body of water,[sentencedict.com] you can use your pants as a flotation device.

174. The so called contactless attachment happens just in case of hydrophilic particle-bubble system in proper conditions and is harmful to normal flotation.

175. Based on the characters of Chinese bauxite resources, the separation of diaspore and the main gangue, kaolinite by reverse flotation was studied preliminarily in this paper.

176. This paper analyzes the possibility of flotation separation automatic monitor and gets the train of thought. It has a worthy value to existent automatic monitor system and future research.

177. The flotation research of mixture of quartz and ironstone also indicate that rhamnolipid can effectively improve separation efficiency.

178. The purity of beryllium oxide yielded by this process is more than 99 per cent. This new process to solve the metallurgical technology of the flotation beryllium concentrate in xinjia...

179. Based on single machine check test, small screening test, combustible withdraw rate calculation and flotator complete index calculation, prove that the flotation result is very well.

180. Based on the characters of Chinese bauxite resources, the separation of diaspore and the main gangue hard kaolinite by reverse flotation was studied preliminarily in this paper.