Mining is the process of digging beneath surface of the earth and extracting minerals and other useful geological materials. There are two main categories that mines fall into; surface mines and underground mines. Surface mines are effective at extracting minerals and geological materials that are close to the surface of the earth while underground mines are designed to extract minerals and geological materials that are deep beneath the surface of the earth. One of the most common materials that
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successfully landed on the surface of the Venus. However‚ the essential equipment on probes was damaged‚ leading to that it failed to get insight into the surface of the Venus. While‚ on 17th August 1970‚ with the experiences from the previous two attempts‚ "Venus 7" lander completed their missions on the surface of the Venus successfully. The lander gauged the atmospheric pressure on the surface of the Venus‚ which illustrated that the pressure on the Venus’ surface was at least 90 times stronger than that
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Area 51 Area 51 is a nickname for a military base that is located in the southern portion of Nevada in the western United States (83 miles north-northwest of downtown Las Vegas). Situated at its center‚ on the southern shore of Groom Lake‚ is a large secretive military airfield. The base’s primary purpose is to support development and testing of experimental aircraft and weapons systems. Its secretive nature and undoubted connection to classified aircraft research‚ together with reports of
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In partial fulfillment of : BIOLOGY 101.1 (Scientific Paper on Diffusion) Submitted by : Diate‚ Kim P. (B.S.E Gen.Sci.1) Submitted to : Olive S. Anies‚ Ph.D ABSTRACT This scientific paper investigates my hypothesis that "Higher molecular weight produce faster diffusion". Diffusion is a process of equalization which involves movement of molecules from an area of high concentration to an area of low concentration (Biology 101.1). As Thomas Graham (1831-1833)
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Diffusion and Osmosis Lab Introduction • What molecules can pass through a semi-permeable membrane? In this lab study we tested carbohydrates such as starch and glucose‚ as well as solutions like Benedict’s and Lugol’s to see if they would cross the membrane of a cell but since we can’t actually see that happen we used dialysis tubing (acts as the cell membrane). • My prediction was that glucose and Benedict’s could pass the semi-permeable membrane but starch and Lugol’s wouldn’t be able to
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E4707: Financial Engineering: Continuous-Time Models c 2009 by Martin Haugh Fall 2009 Black-Scholes and the Volatility Surface When we studied discrete-time models we used martingale pricing to derive the Black-Scholes formula for European options. It was clear‚ however‚ that we could also have used a replicating strategy argument to derive the formula. In this part of the course‚ we will use the replicating strategy argument in continuous time to derive the Black-Scholes partial differential
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Answers to Questions Activity 1: Simulating Dialysis (Simple Diffusion) (pp. 2–4) 9. All solutes except albumin are able to diffuse into the right beaker. Using distilled water in the right beaker and either the 100 MWCO or 200 MWCO membrane will remove urea from the left beaker and leave albumin If the left beaker contains NaCl‚ urea‚ and albumin‚ you can selectively remove urea by dispensing a concentration of NaCl into the right beaker equivalent to that in the left beaker and by using
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prevalent in different areas. An experiment was conducted to see where these micro-organisms were present and how widespread and abundant they were. Method: In the experiment‚ there were 3 environments in which agar plates were used to get bacteria and fungi. Environment No.1 was inside the lab with the laboratory air‚ environment No.2 was outside the lab in the open air and environment No.3 was taken from scalp scrapings from the students involved. In environment 1‚ 6 agar plates were produced.
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Osmosis and diffusion are sometimes mixed up without much thought‚ but they are very different in many ways. Osmosis is a defined as the movement of water through a semipermeable membrane (). The membrane is fully permeable for the small water molecules‚ but is selectively permeable to any substance that is lager that a normal water molecule. One example might be a glucose and water mixture‚ when the solute is put into one side of a U-shaped tube that has a semipermeable membrane between the solvent
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The effects of Visual Distraction on Reaction Time Abstract Distraction has been associated with affecting human reaction time. These associations have been obtained from studies focusing on drivers in particular. Driver distraction is very common nowadays and it is associated with many car crashes (Governors Highway Safety Association‚ 2011). Distraction can take forms in visual‚ cognitive‚ auditory and manual handling of the vehicle. In this study the aim was to test the effects of visual
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