"Ultraviolet" Essays and Research Papers

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    ABSTRACT Mutation was induced via a physical agent‚ radiation. 4 levels of radiation—0 kr (control)‚ 10 kr‚ 30 kr‚ and 50 kr—were used in seeds to determine the radiation effects on the growth of Zea mays. Using two duplicate set-ups‚ each‚ planted with 18 seeds per radiation‚ the differences in height were observed from January 29 to March 17 in a 1 to 2-day interval (Mondays-Wednesdays-Fridays). Results show that as radiation increases‚ the potential of plants to grow decreases—0 kr seeds reached

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    Skin Conditions

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    skin Skin conditions Skin conditions BOILS: A boil also known as a furuncle is a deep infection of the hair follicle or oil gland. When a boil starts to break out the skin becomes red and quiet tender. After a few days the boil becomes a white this is puss collecting under the skin‚ the boil becomes even more painful. When individual boils cluster together they are called carbuncles. Boils are cause by an in infection with the bacterium Staphylococcus aurous‚ this is generally harmless. Golden

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    Dye Lab for Chem 205

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    TITLE Crime and Dye Lab Special Projects 1 Martin Enem LAB SECTION: BB2 INTRODUCTION Light is usually viewed as a result of the heating of a substance. The higher the temperature at which the substance is heated‚ the greater the vibrations that lead to certain light intensity given off by the molecule. It is this same theory that suggests why steel glows red hot when heated to high enough temperatures. The process of light emissions can also be induces through other means. 1 One

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    Human variation

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    Human Variation There are many different types of human variation that are influenced by a population’s geographic location‚ including skin color‚ height‚ and body proportions. Many geographic areas are associated with certain physical characteristics that cause them to be commonly classified as different races‚ which also include hair color‚ eye color‚ and cranial shape. These characteristics are in addition to the physical characteristics listed above that are

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    Tanning Beds

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    Dangers of Indoor Tanning “CANCER” a six lettered word that carries so much meaning to my family. On Tuesday‚ May 28‚ 2011 I arrived home from a long day at school. I could feel it in the air that something was different. Both of my parents displayed long‚ sad faces. As soon as my mother asked “can I speak to you alone?” I realized that something was definitely wrong. The words that escaped her mouth is something that I would never imagined hearing from my 48 year old mom. She explained that she

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    Introduction For the past two decades or so‚ television shows‚ books‚ and movies that portray detective work and forensic science have become increasingly popular among readers and enthusiasts. They demonstrate that science is an important tool in answering difficult questions regarding how the tragic assassination of President Kennedy happened for example. Forensic Science is appealing to many people because they want to be detectives to solve problems and puzzles. Today I will focus on how scientific

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    machines with advanced electronics make small-seed sorting amiable option. Color variation may also occur due to immaturity or disease‚ which makes it possible to remove affected seed. Some diseased bean seed carry pathogens‚ which fluoresce under ultraviolet light; with a UV light source in the color sorter‚ diseased seed can be removed. Rice processing plants also use color sorters as a final cleaner for polished rice‚ to remove red rice‚ stones and other off-color particles. Many food processing plants

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    Travelling Toefl Essay

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    Eleonora Vaccari 02/05/11 * Travelling to a different country can be both exciting and frustrating at the same time. What are the most important pieces of advice that you would give visitors coming to you country? Give reasons and details to support your response STRUCTURE Intro: people travel a lot ->to know different cultures‚ to try new food‚ just to relax Main 1: Be aware of thieves ->they could steal your bag‚ camera‚.. Ex:Rome: subway: I saw

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    Albedo

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    Albedo is the fraction of Sun’s radiation reflected from a surface. Albedo varies depending on the amount of cloud cover‚ the angle of the sun‚ the particle matter in the air and the surface area (Lutgens‚ Tarbuck‚ Tasa‚ 2011).Thus a higher albedo indicates a surface that absorbs less heat‚ and remains cooler. There are several factors that cause higher temperatures in urban area like dark rooftops‚ dark asphalt surfaces‚ and more buildings with more emitted heat from air conditioners and furnaces

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    Melanoma Skin Cancer

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    Health Information Exchange Stacey Cannon BIOS-260 DeVry University Professor Sims Sunday December 9‚ 2012 Melanoma Skin Cancer As early as the 1930’s‚ sun tanning was encouraged by medical professionals to promote skin health. Scientific research during the late 1890’s played a huge role in contributing to the skin diseases we now know to exist today. During the turn of the 19th century‚ there was a chronic and progressive disease known as Lupus Vulgaris. The disease left infected individuals

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