1‚ radiation processing method The main advantage of the thorium content of the different rare earth minerals and gangue minerals in the ore‚ the use of the gamma-ray concentrator to separate rare earth minerals and gangue mineral. The radiation processing method used for the preselection of the rare earth ore. At present‚ this method is not widely applied in industry. 2‚ the gravity separation method The use of different rare earth minerals and gangue mineral density separation. The re-election
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Table of Contents Acknowledgement…………………………………….. 3 Abstract…………………………………………………. 4 Introduction ……………………………………………. 5 Review of Related Literature………………………… 6 Methodology…………………………………………… 7 Results and Discussions……………………………… 9 Conclusions……………………………………………. 11 References…………………………………………….. 12 Acknowledgement At first‚ I wanted to thank God‚ because He had a great contribution on my research. He gave me intelligence in this research. He also gave
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Rocks and minerals are all around us. Earth’s crust and part of its mantle are made of rock. Rocks are made of minerals and have different properties. The properties of rocks include color‚ texture‚ luster‚ and hardness. We use rocks and minerals in many different ways. The steel in our buildings is made with iron‚ which is a mineral. The clay and glass used in our pottery and dishes are made of a mixture of rocks and minerals. We even need minerals to stay healthy‚ and we get them from a variety
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For ore dressing process‚ grinding is a continuation of the ore crushing process‚ and is a final finishing before ore sorting. Grinding the material evenly or not seriously affects the production efficiency of ball mill. Uneven ball mill’s discharging may be caused by the following two aspects: Firstly‚ the feeding grinding materials cause the uneven discharging. When water into the grinding material is high‚ it may cause the ball mill grinding "full" phenomenon. If the water into the grinding
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Flotation machine is a main device to realize the flotation process. The flotation of the ores is conducted according to the hydrophilicity of the minerals in the solution.The flotation machine developed by the Hongxing Heavy Industry has efficient flotation effect‚ which contributes to the good reputation. The following is the detailed explaination to flotation machine and its methods to sort out the ore mineral. Materials grinded in the wet-type mill are concocted with the basically single-dissociated
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HOMEWORK 6 EXTRUSION MME 2101 1. A cylindrical billet that is 100 mm long and 50 mm in diameter is reduced by direct (forward) extrusion to a 20 mm diameter. The die angle is 90. the flow curve for the work metal has a strength coefficient of 800 MPa. Determine (a) extrusion ratio‚ (b) true strain (homogeneous deformation)‚ (c) ram pressure‚ and (e) ram force. 2. A billet that is 75 mm long with diameter = 35 mm is direct extruded to a diameter of 20 mm. The extrusion die has a die angle =
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Name: Date of experiment: 04/02/12 Date of report: 04/03/12 Title: Oxidation – Reduction Activity Series Purpose: To determine relative oxidizing and reducing strengths of a series of metals and ions. Oxidation and reduction reaction occur simultaneously side by side. A reduction reaction occurs only if an oxidation reaction occurs and vise-versa. Electrons are given in oxidation while in reduction electrons are gained. Oxidizing agent is a chemical substance which has a large tendency to
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Gains in China‚ India to boost Asia/Pacific demand China has shown strong growth in mining equipment demand‚ a direct result of investment in its local mining industry. For example‚ coal output nearly doubled from 2001 to 2006‚ reflecting the nation’s intense need for energy. China is also a major source of commodities such as iron ore and bauxite. Other major Asian markets for mining equipment include Australia and India. Like China‚ India has experienced a major growth in coal output. Australia
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This was an interesting project‚ which has potential in the future‚ but did not deliver desired results. The idea was to make a vertical axis wind turbine (VAWT) that instead of charging a battery‚ would deliver its power directly to an electrolysis apparatus to make hydrogen and oxygen gas. The reason for doing this would be to avoid the complications and expenses of inverters‚ batteries‚ and connecting the turbine to the grid. It would also make hydrogen gas which could power a car‚ a generator
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Metals and Rusting Iron Alquero Rollon Title “ The Effect of Various Metal Activity (Zinc (Zn)‚ Magnesium (Mg)‚ and Copper (Cu)) in the Color of Rainwater and Amount of Rust in the Iron Nail “ Hypothesis If the type of metal that has the highest activity will be used ‚ then there will be the least amount of rust found in the nail and the color of the rainwater would be the lightest. Independent Variable • Types of metals used in wrapping Title: “ The Effect of Various Metal Activity (Zinc
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