HARVESTING THE OCEAN BY: SHUN ITCHIGAWA AQUACULTURE • the use of agricultural techniques to breed and raise marine organisms. • is the farming of freshwater or marine organisms. -MONOCULTURE -POLYCULTURE what is the important of aquaculture? It supply commercial species to the world’s markets. Common Aquaculture in the World • Fish aquaculture- raising fish commercially in tanks‚ ponds‚ or ocean enclosures. - carp‚ salmon‚ tilapia and catfish. • Raft culture- aquaculture using floating rafts
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Acidification in our Oceans Oceanography April 2‚ 2013 What is Ocean Acidification? “Ocean Acidification‚ is the worldwide reduction in the pH of seawater as a consequence of the absorption of large amounts of carbon dioxide (CO2) by the oceans.” (Britannica). Ocean acidification is largely the result of loading Earth’s atmosphere with large quantities of CO2‚ produced by vehicles and industrial and agricultural processes. Since the beginning of the Industrial Revolution about
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References: * Lakhoua MN. SCADA applications in thermal power plants. International Journal of the Physical Sciences Vol. 5(6)‚ pp. 1175-1182‚ June 2010 * Lakhoua MN. Application of Functional Analysis Techniques and Supervision of Thermal Power Plants. * Lakhoua MN (2009c). Supervision of a counting system of the natural gas of a thermal power plant. J. Eng. Technol. Res. ISSN: 2006- 9790. Open Access wwJournals. 1(9): 188-193. * http://www
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Digital Electronics‚ 2003 BINARY CODED DECIMAL: B.C.D. • ANOTHER METHOD TO REPRESENT DECIMAL NUMBERS • USEFUL BECAUSE MANY DIGITAL DEVICES PROCESS + DISPLAY NUMBERS IN TENS IN BCD EACH NUMBER IS DEFINED BY A BINARY CODE OF 4 BITS. *** 8 – 4 – 2 – 1 MOST COMMON CODE 8 – 4 – 2 – 1 CODE INDICATES THE WEIGHT OF EACH BIT 23 – 22 – 21 – 20 E.G. 934 = 1001 0011 0100 9 3 4 FOR EACH DIGIT A BINARY [NORMAL] CODE IS ALLOCATED. OHER REPRESENTATION FORMS ARE 2-4-2-1 AND EXCESS-3 Ovidiu Ghita Page
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Task 1: Procedure 1.Convert the decimal number 125 into binary. Use the division-by-two method shown in the following example. 125 /2 = 62 r=1 62 /2 = 31 r=0 31 /2 = 15 r=1 15 /2 = 7 r=1 7 /2 = 3 r=1 3 /2 = 1 r=1 1 /2 = 0 r=1 01111101 2.Convert your binary result back into decimal to prove your answer is correct. This is also shown in the following example. Weights = 128 64 32 16 8 4 2 1 Bits = 0 1 1 1 1 1 0 1 64 + 32 + 16 + 8 + 4 + 1 = 125 Task 2: Procedure 1.Convert the binary number
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The ocean is one of Earth’s most valuable natural resources. It provides food in the form of fish and shellfish—about 200 billion pounds are caught each year. It’s used for transportation—both travel and shipping. It provides a treasured source of recreation for humans. It is mined for minerals (salt‚ sand‚ gravel‚ and some manganese‚ copper‚ nickel‚ iron‚ and cobalt can be found in the deep sea) and drilled for crude oil. The ocean plays a critical role in removing carbon from the atmosphere and
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Energy Sources & Energy Transfer Renewable energy is energy which comes from natural resources such as sunlight‚ wind‚ rain‚ tides‚ and geothermal heat‚ which are renewable (naturally replenished). Sources: Solar Energy Wind Energy Hydropower Biomass Energy Hydrogen Geothermal Energy Ocean Energy A non-renewable resource is a natural resource which cannot be produced‚ grown‚ generated‚ or used on a scale which can sustain its consumption rate‚ once depleted there is no more available for
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Linear Thermal Expansion The term thermal expansion refers to the increase in size of an object as that object is heated. With relatively few exceptions‚ all objects expand when they are heated and contract when they are cooled. Perhaps the most important exception to this rule is water. Water contracts as it cools from its boiling point to about 39.2°F (4°C). At that point‚ it begins to expand as it cools further to its freezing point. This unusual effect explains the fact that ice is less dense
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THERMAL INSULATION MATERIALS Thermal insulation materials are specifically designed to reduce the heat flow by limiting heat conduction‚ convection‚ radiation or all three while performing one or more of the following functions: The main function of insulation is to reduce the heat transfer‚ the insulation material must have the appropriate characteristic to slow down the transport of heat occurred by conduction‚ convection and radiation. Conduction loss in insulation is negligible. There are
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Philosophy of Mind Professor Rende Path to Religious Conversion Lonergan describes “Religious Conversion” as surrender‚ not as an action but as a motivation for falling wholly in love‚ giving everything up including one’s soul‚ to love God without reservations‚ qualifications‚ hesitations‚ and limitations. Since we are talking about how to love God recall back to Faith where Lonergan states how we come to love God. ” All other values are placed in the light and the shadow of transcendent value
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