Mining Assignment #4 By Siyuan Wei‚ Yifei Pei‚ Amrita Sur and Clinton Huynh Mineral: Copper Dip: 60 Depth: 650m Location/Terrain: Under River Chosen Mining Method: Sublevel Stoping - Sublevel Stoping is designed for mineral deposits which consists of fairly stable rocks and have a steep dip. - This method is quite commonly used to mine copper at varies sites around Australia. For example‚ Mount Isa‚ Olympic Dam etc… Mining Process - Sublevels are created within the solid
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Flotation machine is applicable for the separation of nonferrous metal and ferrous metal. It is also used for separating nonmetal‚ such as fluorite and talcum.The impellers are driven through V- belt transmission‚ which brings centrifugal effect to form the negative pressure. On the one hand‚ the flotation machine inhales sufficient air to mix with ore slurry; on the other hand it stirs ore slurry and mix with medication to form the mineralized froth. By adjusting the height of flashboard to control
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On September 11‚ 2013‚ The section of MAR121 of NU College of Business & Accountancy held on educational tour in Bangko Sentral ng Pilipinas for the purpose of bonding with friends‚ to learn new things and mainly to see firsthand the process of making money. We went to Bangko Sentral ng Pilipinas. When we enter the BSP‚ I noticed that the building is highly secured. We are restricted to bring cellphones‚ cameras‚ gadgets and our bags and we’re only allowed to bring personal belongings. First
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What’s in a Coin Today‚ most people take coins for granted. They are simply used as a form of payment‚ a means to determine which football team will get the ball first‚ or even as a way to pass time. However‚ in Rome in the third century AD this was not the case. Coins had an extreme significance and a value that was not taken lightly. Unlike in the modern day United States‚ in ancient Rome new coins were constantly being issued with each new Emperor and generally various coins were issued‚
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A Sequence of Chemical Reactions: Transforming Copper Briefly describe. a) Why must you carry out the oxidation of Cu with HNO3 in a fume hood? Concentrated nitric acid is a toxic oxidant. Avoiding skin contact or inhalation is highly important. The reaction between Cu and HNO3 produces NO2‚ a toxic brown gas; therefore working under the fume is necessary in order to prevent inhaling the toxic gas. b) Why you should be particularly careful when you work with 3 M H2SO4 solution? Sulfuric acid
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Theory behind my experiment Thickness (cross sectional area of the wire)‚ length‚ and temperature all have some effect on the amount of resistance created in a wire. Another factor is the conductivity of the material we are using. Some metals are just more electrically conductive than others. As long as I use the same type of metal for each wire‚ my experiment will remain fair. Cross Sectional Area The thicker the wire‚ the less resistant it is. This is because there are more electrons
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The industrial separation process that I have decided to do is gold separation. Gold separation can be done in a number of ways but there is not always one way to do it‚ but the combination of a couple of these processes to extract pure gold. Gold is obtained form the lithosphere. It is separated from the ore found in the lithosphere. Gold’s symbol is Au. Its atomic number is 79 and has an atomic mass of 196.96655 amu. Its melting point is 1064.43°C‚ while its boiling point is 2807.0 °C. It is
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1. SELECT PARTNUMB‚ PARTDESC FROM PART Query1 | PARTNUMB | PARTDESC | AX12 | IRON | CX11 | MIXER | WHERE UNONHAND BETWEEN 100 AND 200 2. SELECT PARTNUMB‚ PARTDESC‚ (UNITPRCE*UNONHAND) ONHANDVALUE FROM PART WHERE VALUE >= 1000 Query1 | PARTNUMB | PARTDESC | ONHANDVALUE | AX12 | IRON | $1‚866.80 | BH22 | TOASTER | $3‚320.25 | BT04 | STOVE | $4‚432.89 | BZ66 | WASHER | $16‚221.40 | CB03 | BIKE | $8‚250.00 | CX11 | MIXER | $6‚490.40 | CZ81 | WEIGHTS | $22‚669.92
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ALL THAT GLITTERS IS NOT GOLD Outward appearance can be greatly misleading. Gold is a very valuable metal. It has an attractive glittering appearance too. But it does not mean that everything which glitters like gold should be precious. There are utterly valueless things that look like gold and taking them on their face value is unwise. On the contrary‚ some of the dull looking things possess immense value. Their appearance is in no way proportionate to the great value they have. This is true of
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Assessment of soil contamination in Patancheru industrial area‚ Hyderabad‚ Andhra Pradesh‚ India B.Dasaram1*‚ M.Satyanarayanan1‚ V.Sudarshan2 and A. Keshav Krishna1 1National Geophysical Research Institute (Council of Scientific & Industrial Research) Uppal Road‚ Hyderabad-500007 2Department of Applied Geochemistry‚ Osmania University‚ Hyderabad-500007 *E-mail: bdram11@yahoo.co.in Abstract Toxic trace metals concentrations in soil exert a decisive impact on soil quality and
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