Climate: animation -audio http://my.hrw.com/sh2/sh07_10/student/tabpages/hq7c/c25/s01/vc01/hq7c_c25s01_vc01fs.htm • Climate is the average weather in an area across a span of time determined by the temperature and precipitation. • Latitude‚ wind patterns‚ geography and ocean currents are all factors that define climate. • Range from Tropical Desert‚ Tropical Rainforest‚ Temperate Desert‚ or Temperate Rainforest. GCMs – Computer models – study climate change video http://www.sandi.net/cms/lib/CA01001235/Centricity/Domain/7724/video/Global
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Techniques for Controlling Pathogenic Microorganisms: In order to adequately address safety issues associated with fresh produce‚ it is necessary to enhance the quantity and quality of research on mitigation strategies. A few of the research needs include: Investigate traditional and non-traditional sanitizers on specific pathogen/produce combinations. Survey extensively domestic and imported products to determine the frequency of public health microorganisms on specific produce items. Survey
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Mid-Oceanic Ridges Matthew Olson ABSRACT The theory of seafloor spreading emerged with the discoveries of Harry Hammond Hess. Ocean basins are expanding laterally away from a mid-oceanic ridge. Radioactive decay in Earth’s mantle causes convection cycles‚ which drive plate tectonics. Hot mantle rises and undergoes decompression melt due to change in pressure. New oceanic crust is created in a characteristic sequence. Studies of Ophiolites show a sequence of sediment‚ pillow basalts‚ sheeted
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Convergent Plate Boundaries Convergent plate boundaries are locations where lithospheric plates are moving towards one another. The plate collisions that occur in these areas can produce earthquakes‚ volcanic activity and crustal deformation. Convergent Plate Boundary – Oceanic-Continental: When continental and oceanic plates collide the thinner and more dense oceanic plate is overridden by the thicker and less dense continental plate. The oceanic plate is forced down into the mantle in a process
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Conditions Discretization of the Domain Changing Differential Eqs. to Algebraic Eqs. Internal Nodes and Boundary Nodes Solving the system of Algebraic equations Example: Example: A chimney Inside: Convection Ti 300 oC ‚ hi 70 W/m 2 .o C Outside: Convection + Radiation TO 20 oC ‚ hO 21 W/m 2 .o C TO ‚ hO Tsky Tsky 260 K Inside Flow Section: 20 cm x 20 cm Wall Thickness: 20 cm TO ‚ hO Tsky Ti ‚ hi TO ‚ hO Tsky if x y 10 cm k 1.4 W/m. o C and
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the theory of plate tectonics disproved parts of the continental drift theory. So for example when the theory of continental drift stated that the continents just plowed through oceanic crust‚ the theory of plate tectonics said it was because of convection currents (Plate 1). These theories were all believed at different times‚ the continental drift theory for example was only accepted after the creation of the theory of plate tectonics‚ which was many years after the theory was originally constructed
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1. Energy transfer by heating * Infrared Radiation * Surfaces and Radiation * States of matter * Conduction * Convection * Evaporation and condensation * Energy Transfer by design * Specific heat capacity * Heating and insulation buildings 2. Using Energy * Forms of energy * Conservation of energy * Useful energy * Energy and efficiency 3. Electrical Energy * Electrical Appliances * Electrical Power * Using electrical energy
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outdoors is -10oC. Take the convection heat transfer coefficients on the inner and outer surfaces of the window to be h1 = 10 W/m2.oC and h2 = 40 W/m2.oC‚ which includes the effects of radiation. 3.A steam at T∞1=320oC flows in a cast iron pipe (k=80 W/m.K) whose inner and outer diameters are D1=5 cm and D2=5.5 cm‚ respectively. The pipe is covered with 3-cm thick glass wool insulation with k=0.05 W/m.K. Heat is lost to the surroundings at T∞2=5oC by natural convection and radiation‚ with a combined
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rotation‚ heating of the earth by the sun‚ and earths geographic features. · Explain the forces that drive gloabal circulation patterns and how those patterns determine weather and climate: Unequal heating of the Earth by the Sun‚ atmospheric convection currents‚ the rotation of the Earth and the Coriolis effect‚ Earth’s orbit around the sun on a tilted axis‚ and ocean currents. The tilt of the Earth’s axis of rotation causes the seasonal changes in temperature and percipitation as earth orbits
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The Relationship Between Radiation‚ Conduction‚ and Convection A Thesis Presented to Mr. John Samuel Ramos R.N Faculty Master’s Vineyard Academy Taytay‚ Rizal By: Fesalbon‚ Maria Zhelpa F. Mortiz‚ Abigeal O. Saflor‚ John Carlo A. October 2012 I. Introduction A. Background of the Study Heat has been a part of our everyday life. As a matter of fact‚ some of us really gets irritated when experiencing such heat in our body due to uneven temperature. Particularly these days
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