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    Biology A2

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    wavelength was passed through the tube containing algae for two hours. The light transmission through the suspension and the oxygen concentration were then measured. light meter oxygen meter The results were used to plot the absorption spectrum and the action spectrum for each strain of alga. Fig.1.2 shows these spectra. strain A strain B absorbance absorption spectra 400 500 600 700 wavelength of light / nm rate of photosynthesis action spectra 400 500 600 700 wavelength of light / nm Fig.

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    Wave Propagation

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    NANYANG TECHNOLOGICAL UNIVERSITY School of Electrical and Electronic Engineering Laboratory Experiment ------------------------------------------------- ------------------------------------------------- ------------------------------------------------- Laboratory Report ------------------------------------------------- ------------------------------------------------- For ------------------------------------------------- -------------------------------------------------

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    XRD – X-Ray Diffraction X-ray diffraction (XRD) is a powerful non-destructive technique for characterizing crystalline materials. It provides information on structures‚ phases‚ preferred crystal orientations (texture)‚ and other structural parameters‚ such as average grain size‚ crystallinity‚ strain‚ and crystal defects. X-ray diffraction peaks are produced by constructive interference of a monochromatic beam of X-rays scattered at specific angles from each set of lattice planes in a sample. The

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    Data Communications

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    subset of telecommunication involving the transmission of data to and from computers and components of computer systems. More specifically data communication is transmitted via mediums such as wires‚ coaxial cables‚ fiber optics‚ or radiated electromagnetic waves such as broadcast radio‚ infrared light‚ microwaves‚ and satellites. Data Communications = Movement of computer information by means of electrical or optical transmission systems Information can be represented using analog signals Analog

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    Sensation and Perception

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    present Memory – knowing the past Thinking – knowing the future Cognition = the influence of perception‚ memory‚ and thinking Aug 29th‚ 2012 Basic principles of perception 1. Stimulation - Many kinds of energy implode on the body o Electromagnetic energy (light) o Mechanical energy  -Pressure waves in air  Pressure on skin  Body movement o Thermal energy (heat) o Chemical energy (molecules in air‚ food) - Energy changes detected by receptors 2. Information a. Our sensory systems

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    References: (1990)‚ Regulatory Framework for Radio Spectrum Policy in the European Community‚ EUROPA‚ http://europa.eu. Akyildiz‚ I.‚ W. Lee‚ M. Vuran‚ and S. Mohanty (2006)‚ Next generation/dynamic spectrum access/cognitive radio wireless networks: A survey‚ Computer Networks‚ 50 (13)‚ 2127–2159. Cannons‚ J.‚ R. Dougherty‚ C. F. Freiling‚ and K. Zeger (2006)‚ Network routing capacity

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    BIOLOGY DCN PHOTOSYNTHESIS LAB # 6 Effect of varying coloured filters on the photosynthetic rate of spinach chloroplasts The data below is just representative of what trends and relationships you were supposed to see. Numbers can vary. Absorbance at 620 nm for each treatment DCPIP + chloroplasts t=0 min. 0.93 0.945 0.905 0.915 t=3 min. 0.95 0.731 0.83 0.816 change in A620 -0.02 0.214 0.075 0.099 t=0 min. t=3 min. change in A620 t=0 min. t=3 min. change

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    Determining the Absorbance Maximum Wavelength and Molar Extinction Coefficient to Find the Molarity of the Unknown DCPIP Background Information: A spectrophotometer is an instrument used to help determine the absorption spectrum of chemicals. It does this by reading the absorbance of the chemical at different wavelengths. All chemicals absorb light in their own distinct way. This distinction helps to identify unknown chemicals. The absorption of light within a chemical is also very important because

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    Light Reactions

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    makes G3P. The energy in photosyntsis is located as solar energy in the beginning and winds up kinetic at the end from going from sunlight to electron carriers. At the end of the Calvin cycle energy becomes G3P to power the plant. Sunlight is electromagnetic energy At the end of light reactions the energy is in form of glucose while in the calvin cycle into G3P another form of

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    Physics 101

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    UNIT 1 Modern Physics 1.1 CLASSICAL PHYSICS Newton’s laws of motion are the basis of the most elementary principles of classical physics. Equations based on these laws are the simplest and they are suitable for solution of simple dynamical problems‚ such as the motion of macroscopic bodies‚ Lagrange’s equations‚ Hamilton’s equations and Hamilton’s principle are also fundamental principles of classical mechanics‚ because they are consistent with each other and with Newton’s laws of

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