Being Cool Sources: 1. https://www.google.co.uk/#q=which+electromagnetic+waves+emitted+from+the+sun+produce+a+heating+effect http://www.universetoday.com/60065/radiation-from-the-sun/ 2. http://www.raytek.com/Raytek/en-r0/IREducation/Emissivity.htm?trck=emissivity http://www.keller-msr.com/temperature-pyrometers/emissivity-definition-and-influence-in-non-contact-temperature-measurement.php 3. http://www.gcsescience.com/pen10-matt-black.htm http://scienceline.ucsb.edu/getkey
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Many people who have skin cancer require surgery for effective initial treatment. However‚ there are several other nonsurgical options may be considered for the treatment of squamous cell and basal cell skin cancers such as topical medications‚ radiation therapy and photodynamic therapy. According to Dr. Anna Bar an Assistant Professor of Dermatologic Surgery at Oregon Health & Science University‚ there continues to be progress in nonsurgical treatments for skin cancer that are useful for people
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convection and radiation. Conduction is when heat travels through solids. Hot atoms vibrate and their energy is passed on to neighbouring atoms which vibrate and become hot. Convection is the process by which heat is transferred by warm liquids or gases. Warm air is less dense than cold air because particles have more energy so they spread further. So the hot air rises and transfers heat and the cold air replaces it Radiation: all objects give out and take in thermal radiation which is also called
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INTRODUCTION: The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation. Radiation can be said to be energy that travels and spread as it goes. The "electromagnetic spectrum" of an object has a different meaning‚ and is instead the characteristic distribution of electromagnetic radiation emitted or absorbed by that particular object. We tend to witness different radiations of the electromagnetic spectrum without knowing‚ example is the visible light that we see with
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Company Identification The Valspar Corporation - Architectural Coatings Division 1191 Wheeling Road Wheeling‚ IL 60090 Manufacturer’s Phone: 24-Hour Medical Emergency Phone: 1-847-520-8580 1-888-345-5732 2. HAZARDS IDENTIFICATION Primary Routes of Exposure: Inhalation Ingestion Skin absorption Eye Contact: • Moderate eye irritation Skin Contact: • Causes skin irritation. • Harmful if absorbed through skin. • May cause sensitization by skin contact. Ingestion: • Irritation of the mouth‚ throat‚ and
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Computers are increasingly being introduced into safety-critical systems and‚ as a consequence‚ have been involved in accidents. Some of the most widely cited software-related accidents in safety-critical systems involved a computerized radiation therapy machine called the Therac-25. Between June 1985 and January 1987‚ six known
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Introduction (5:03) 1. What is the name for all the electromagnetic waves that exist? Names of the electromagnetic waves that exist are Gamma Rays‚ X-Rays‚ Ultraviolet Waves‚ Visible Light‚ Microwaves‚ and Radio Waves. 2. What are electromagnetic waves produced from? What two things do they have? Electromagnetic waves are produced by the vibration of charged particles and have electrical and magnetic properties. 3. What is the name for the section of the electromagnetic spectrum that
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Global Radiation Therapy Market Report: 2012 Edition For more details on the content of report and ordering information please visit: http://www.aarkstore.com/reports/Global-Radiation-Therapy-Market-Report-2012-Edition-158075.html As the technological environment is swiftly undergoing evolution‚ companies operating in the healthcare/science/pharmaceutical/therapeutic industry are now scaling new heights. Also‚ the respective sector’s growth is boosted by the rising number of health related
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Transuranic Elements and their Production Transuranic elements are elements that have an atomic number greater than 92. Transuranic elements have been synthesised in nuclear reactors or in high-energy particle accelerators. Neptunium and plutonium were the first transuranic elements to be synthesised in 1940 by Glenn Seaborg’s research team in the USA. Uranium 238 is bombarded with neutrons produced by the nuclear fission of U-235. Initially an isotope of uranium (U-239) forms which decays
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about different variations of treatments‚ those in which have helped millions combat diseases. It uses radiation to administer information about the functioning of a person’s organs or to treat diseases. It detects early signs in the tissue. Nuclear medicine procedures are very safe and do not require anesthesia. A small dose of radiopharmaceuticals is introduced into the body with low radiation and still provide a definite medical evaluation. That is why it has been around for so long. It is important
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