Random good picture Not show

121 The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose.

122 The technical approach of acidic leaching of pyrolusite ore, purifying of manganese leaching solution, and crystallizing of manganese carbonate from purified manganese solution was studied.

123 The leaching performance of the low grade molybdenite from Jinduicheng Mine is investigated by both bioleaching and chemical oxidation leaching process.

124 Leaching of simulated acid rain into the soils causes soil acidification and release of base ions.

125 The technique of lixiviant distribution is one of the key technologies in stope leaching, which can directly affect the uniformity of lixiviant spreading and leaching effect of metal.

126 The distribution of element in soil profile was related to the characteristics of elements, soil parent, topography, climate and intensity of geological leaching and biological accumulation.

127 Besides,(http://sentencedict.com/leaching.html) activating bentonite by acid leaching and microwave has also been investigated.

128 Bacterial leaching of copper - bearing pyrite is studied by use of thiobacillus ferrooxidans.

129 The leaching process of cobalt from waste hard-alloy by use of phosphoric acid and ozogen is introduced.

130 According to control requirements of uranium leaching solution process, the paper discusses the completion of automation for uranium hydrometallurgy process by using SCADA and PLC.

131 The experimental results of column leaching of gold from As bearing refractory gold ore in Luerba by bacterial oxidation are described.

132 The study results show that using the gold extraction technology can improve leaching environment, increase gold leaching rate, decrease cyanide consumption, and shorten cyaniding leaching time.

133 This paper expounds the fundamental rules of removing ferric ions by jarosite and presents results of removing ferric ions from concentrated acid curing-trickle leaching solution of an uranium ore.

134 The seepage diffusibility of leaching solution and its wetting ability to fractured rock mass can be enhanced or weakened by the electric field.

135 This paper studies the process of the extraction of gold by ammoniacal thiosulfate leaching from the roasted copperbearing sulphureous gold concentrate.

136 The results of leaching experiments in ammonium carbonate system indicate that leaching rate is not more than 60%.

137 By investigating the process mineralogy, the occurrence states of copper in the ore were found out, thus the treatments of sulphidizing flotation and bacteria leaching of copper oxide ore were made.

138 It is currently developing and operating mineral resources in Chambishi and Luanshya, Zambia, where it owns the Chambishi copper smelter and leaching plant.

139 The aqua regia and chlorination leaching provided a rapid rate of dissolution, however, special attention should be given to strong oxidation and corrosion of reagents.

140 GLEAMS model was introduced to calculation of nitrate leaching in an agricultural catchment in Southeast China.

141 Synergic effect of the three metabolites can be observed when they were introduced for the leaching of silicate ores, as the mixture of them shows superior effect to their single operation.

142 The new technology of production of Zn powder by alkaline leaching and electrowinning is described.

143 This paper involved chemical compositions and physical phases of iron pyrite cinder and the principle of extracting iron from the cinder acid leaching.

144 An investigation is made of the catalyzing behavior of silver ions in bacterial leaching of chalcopyrite.

145 The Leaching of germanium bearing smoke of zinc oxide in the particulate fluidization bed was investigated.

146 Experimental results show the feasibility of bacterial leaching to recover copper in Shouwangfen Copper Mine.

147 The intensified leaching processes of the primary ore of copper sulfide with thermoacidophile, KY-2 strain, are investigated.

148 Atlas did not say how much the leaching plant will cost but said China's Jiangxi would fund the construction in exchange for a long-term laterite ore supply agreement.

149 Get up and drink a cup of cold water, hot water bath or leaching, the simple gymnastics, have helped to clear the brain.

150 The synthetic rutile is prepared by directly leaching ilmenite from Panzhihua area with hydrochloric acid.