components of an X-ray Tube? The x-ray tube consists of an electrode pair - a cathode and an anode. The cathode is a negatively charged heated filament made from tungsten. The anode is a positively charged flat disc‚ also made from tungsten. The electrode pair sits inside a glass vacuum tube‚ which is lined with lead for protection. 2) State the two interactions that occur in the X-ray tube to produce the x-ray beam Bermsstralhung interaction and Characteristic interaction. 3) The X-ray beam is attenuated
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Intro to Philosophy Midterm The word philosophy itself means “the love of wisdom.” Philosophy stands for doing the right thing or being a “just” person. Philosophy also means to see things for what they truly are and not what they may seem to be. A philosopher’s life is a lifelong quest to find the meaning of things beyond their physical appearance. The Ring of Gyges is a ring that a man puts on and becomes invisible. When he does wrong he is not blamed‚ he gets away with it. Once a man
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November 7‚ 2011 Johnny and Ray One wouldn’t think that the lives of Johnny Cash and Ray Charles have anything in common. However‚ after viewing the movies Walk the Line‚ starring Joaquin Phoenix as Johnny Cash and Reese Witherspoon as June Carter‚ and Ray‚ starring Jamie Foxx portraying Ray Charles‚ their similarities are as striking as their differences. Both of these films are biopics chronicling the rags to riches lives of two of the most influential musicians whose careers began in the
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Ray Kroc PROBLEM STATEMENT : In order for McDonald’s to reach its goal of "par excellence"‚ it must use the full meaning and definition of marketing. Marketing is giving the target market what they want‚ when and where they want it‚ at a price they are willing to pay for it. REFLECTION / OPINION For McDonald’s to achieve its "par excellence"‚ they must focus on the fact that there is an ever changing market and that the wants and needs of consumers are constantly changing. Since McDonald’s
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Norhan Mansour Music 121 Extra Credit Ray Ray is a 2004 biographical film focusing on 30 years of the life of rhythm and blues musician Ray Charles. By the early 1960’s Ray Charles had accomplished his dream. He’d come of age musically. He’d made it to Carnegie Hall. The hit records "Georgia‚" "Born to Lose" successively kept climbing to the top of the charts. He’d made his first triumphant European concert tour in 1960 (a feat which‚ except for 1965‚ he’s repeated at least once a year ever
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established the basic specifications for a next generation large capacity optical disc video recording format called "Blu-ray Disc". The Blu-ray Disc enables the recording‚ rewriting and play back of up to 27 gigabytes (GB) of data on a single sided single layer 12cm CD/DVD size disc using a 405nm blue-violet laser. By employing a short wavelength blue violet laser‚ the Blu-ray Disc successfully minimizes its beam spot size by making the numerical aperture (NA) on a field lens that converges the
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Satyajit Ray [2 May 1921 – 23 April 1992) was an Indian filmmaker‚ regarded as one of the greatest auteurs of world cinema. Ray was born in the city of Calcutta into a Bengali family prominent in the world of arts and literature. Starting his career as a commercial artist‚ Ray was drawn into independent filmmaking after meeting French filmmaker Jean Renoir and viewing Vittorio De Sica’s Italian neorealist 1948 film Bicycle Thieves during a visit to London. Ray directed 36 films‚ including feature
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Meteorology 11 October 2013 Harmful UV Rays and Their Differences As we all know being over exposed to the sun and its harmful rays can be very dangerous for your skin‚ and may lead to skin cancer‚ but there are some UV rays that are more dangerous than others. Coming from the skin cancer stand point the most dangerous rays are UVB rays‚ they are the main cause of most skin cancers. Although UVB rays are the most harmful to our skin it has the second shortest wavelength coming in at 290-320
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Ultraviolet rays can be separated into three different wavelengths. UVA‚UVB and UVC. this way they can be differentiated due to their wavelengths and the amount of energy they contain. UVA contains the least amount of energy and a smaller wavelength. UV-A radiation passes the earth’s atmosphere almost unfiltered. As both UVB and UVA rays can be detrimental to our health‚ it is important that we protect ourselves. UVC contains the highest amount of energy and a bigger wavelength. When the uv rays enters
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Ray Parslow is a famous graphic designer and he loves his work. Ray enjoys working with a talented team who create designs for many different clients from large organisations‚ corporations and government departments‚ through to small businesses and charities. His work includes anything from designing business cards‚ logos‚ signage‚ posters‚ brochures or annual reports through to large-scale environmental graphics such as the Fox Studios’ site. A wide mix of interesting projects keeps his job exciting
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