increases. Absorbance is directly proportional to the path length‚ b‚ and the concentration‚ c‚ of the absorbing species. Beer’s Law states that A = ebc‚ where e is a constant of proportionality‚ called the absorptivity. Different molecules absorb radiation of different wavelengths. An absorption spectrum will show a number of absorption bands corresponding to structural groups within the molecule. In this experiment wavelength range between 400-650nm is used in order to detect in the visible range
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THEORETICAL STUDY ON MICROWAVE ASSISTED BONDING OF POLYMER BASED MICROFLUIDIC DEVICES By KASI BALAMURUGAN MANI A thesis submitted in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE IN MECHANICAL ENGINEERING WASHINGTON STATE UNIVERSITY School of Mechanical and Materials Engineering May 2013 To the Faculty of Washington State University: The members of the Committee appointed to examine the thesis of KASI BALAMURUGAN MANI‚ find it satisfactory and recommend that it
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SUBCOURSE EDITION SS0130 B US ARMY SIGNAL CENTER AND FORT GORDON PRINCIPLES OF RADIO WAVE PROPAGATION (SC:25C) EDITION DATE: FEBRUARY 2005 PRINCIPLES OF RADIO WAVE PROPAGATION Subcourse Number SS0130 EDITION B United States Army Signal Center and Fort Gordon Fort Gordon‚ Georgia 30905-5000 10 Credit Hours Edition Date: February 2005 SUBCOURSE OVERVIEW This subcourse is designed
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The surgical technique of laser induced photo thermal therapy‚ used for selective destruction of cancerous cells inside the body of a tissue phantom‚ considers employing a laser source to target radiation on a tumor region‚ for the purposes of inducing a local hyperthermia to destroy the cancerous cells. It has been observed that upon raising the cell temperature beyond 43°C [1] for a specified amount of time‚ necrosis of the biological cells can be achieved. Further‚ coupled with the temperature
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does it take light photons to travel the following distances? (Assume light is traveling in a vacuum‚ like space.) a) from the Moon to the Earth b) from Houston to the San Antonio 3. A certain light source is emitting radiation with a frequency of 5.55x1015 Hz. a) What is the wavelength of the emitted photons? b) In what part of the electromagnetic spectrum are the emitted photons? 4. Suppose a dark hydrogen line in a star’s spectrum
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Defining Terms What exactly is cancer? How can it be treated? These are questions that many people have wondered when they hear of a loved one being diagnosed. Many forms of cancer treatment are widely used in today’s society‚ but two methods can be further discussed in more detail. It is important to know the pros and cons of each method‚ thus making it easier to decide which one will work best for a situation that may be encountered. The first is chemotherapy‚ and the many forms of chemotherapy
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wavelength range of 400 - 700 nanometers (nm) and a color range of violet through red. The human eye is not capable of "seeing" radiation with wavelengths outside the visible spectrum. The visible colors from shortest to longest wavelength are: violet‚ blue‚ green‚ yellow‚ orange‚ and red. Ultraviolet radiation has a shorter wavelength than the visible violet light. Infrared radiation has a longer wavelength than visible red light. The white light is a mixture of the colors of the visible spectrum. Black
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solution is commonly known as colorimetry. This method is used to determine concentrations of various chemicals which can give colours either directly or after addition of some other chemicals. As stated by the Beer-Lambert Law - The amount of light radiation absorbed by a compound is directly related to the concentration of the compound. Equipment Copper Sulphate 1M solution Sulphuric Acid 0.5 M solution Volumetric Flasks 100 ml‚ 50 ml‚ 20ml Pipettes 25 ml‚ 10 ml Spectrophotometer Safety Equipment
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Spectrophotometry. Spectroscopy‚ and the Spectrometer Spectroscopy is the branch of science concerned with the investigation and measurement spectra produced when mater interacts with or emits electromagnetic radiation Meanwhile‚ spectrophotometry is the measurement of color in a solution by determining the amount of light absorbed in the ultraviolet‚ infrared‚ or visible spectrum. A spectrophotometer is an instrument often used to compare the intensity of light from a regulated or standard
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order to determine the atomic/molecular composition of a fluid or gas‚ one must consult an emission and absorption spectrum. The properties of this spectrum include also waves‚ which can be any length‚ and define the spectrum of electromagnetic radiation. Ranging from gamma rays to radio waves‚ an electromagnetic spectrum includes each phase of light that can be detected by all organisms‚ not just humans. Light and matter have a perfect relationship in which matter emits and absorbs light
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