EXOPLANET ATMOSPHERES Year 3 Term 2 Essay Project for the Degree of Bachelor of Science in Physics with Theoretical Physics Ho Yin Desmond YUEN Department of Physics, Blackett Laboratory, Imperial College London, South Kensington Campus, London SW7 2AZ, United Kingdom Submitted Version: Summer Term, 4th May 2015 ABSTRACT The objective in studying exoplanet atmospheres is to understand their atmospheric composition and properties, thus, to deduce the planets’ habitability. Favoured by
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Spectroscopy CONTENTS Introduction Physical Quantities measured What Is Spectroscopy Nature of light The Electromagnetic Spectrum General Types of Spectra Continuous Spectra Emission spectra Absorption Spectra Types of Spectroscopy How Spectrometer work? Types of Spectroscopy Examples of Spectroscopy in Astronomy Probing the Formation of Stars in Colliding Galaxies in the universe. Uncovering the mystery of quasar Spectroscopy in Astronomy camp Stars like our own Sun Bibliography
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of spectroscopy – (principle, instrumentation and applications of atomic absortion spectroscopy, UV Visible Spectroscopy, Nuclear Magnetic Resonance Spectroscopy and Electron Spin Resonance Spectroscopy) Spectroscopy is the study of the absorption and emission of light and other radiation by matter, as related to the dependence of these processes on the wavelength of the radiation. More recently, the definition has been expanded to include the study of the interactions between particles such
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Management Accounting Costing and Budgeting Introduction: Management accounting is the most vital part of accounting process. The function of this department is increasing day by day. Because in the present world many company are rising very quickly. The function of management accounting is to manage the process of accounting department. It is very essential for manage all kinds of this activity. There are various functions in accounting. Management accounting remotes all the functions of accounting
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www.StudentWhiz.com 1. A variable cost is a cost that • may or may not be incurred, depending on management's discretion. • occurs at various times during the year. • varies in total in proportion to changes in the level of activity. • varies per unit at every level of activity. 2. An increase in the level of activity will have the following effects on unit costs for variable and fixed costs: Unit Variable Cost Unit Fixed Cost • Increases Decreases • Remains constant Remains constant
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PROBLEM 5-11B Contribution Format versus Traditional Income Statement (LO4) CHECK FIGURE (1) Net operating income is $1,400 Winston Patio, Inc., purchases patio furniture from a large manufacturer and sells them at the retail level. The furniture cost, on the average, $125 each from the manufacturer. Winston Patio, Inc. sells the furniture to its customers at an average price of $250 each. The selling and administrative costs that the company incurs in a typical month are presented below:
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ileum and ascending colon in the rabbit. These parameters include absorptive clearance per unit length PeA/L (ml/min.cm), percentage fraction absorbed per unit length ( %Fa/cm) and anatomical length required for complete absorption in specific segment (L95%). Results: The absorption was in the order ascending colon> duodenum > jejunum> ileum; where the absorptive clearance normalized to intestinal segment length PeA/L (ml/min.cm) was 0.0071±0.0003, 0.0058±0.0001, 0.0051±0.0001, and 0.0047±0.0001 in
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Descending Colon Stomach- is located next to the liver and under the diaphragm. Propulsion, chemical digestion, mechanical digestion, absorption Pharynx- is located behind the tongue Small Intestine-is located above the rectum and next to the appendix. Propulsion, chemical digestion, mechanical digestion, absorption Large Intestine-Propulsion, chemical digestion, absorption Anal Canal Liver-is located under the diaphragm and above the gall bladder. Rectum-is located under the small intestine Mouth-Propulsion
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Purpose The purpose of this experiment is to determine the energy level diagram of anthracene using its absorption and fluorescence spectra, as well as the quantum yield and rate constant of fluorescence quenching of antracene by CCl4. Methods A solution of anthracene and another solution of CCl4 are made in ethanol and mixed and diluted to various concentrations. The fluorescence and absorption spectra of these solutions are measured using a UV-visible spectrometer and a fluorescence spectrometer
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transmitted by the sample solution (Vo, n.d). It is one of the most commonly used methods in various fields to study the quantitative analysis of light that passes through a solution. Meanwhile, the use of spectrophotometer to determine the extent of absorption of wavelengths of visible of light is known as colorimetry. The intensity of light that passes through the sample as well as the concentration of the substance is measured by a spectrophotometer. The instrument consists of some basic components:
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