ABSTRACT Title: Extract of Squash Seeds as an Organic Rust Inhibitor Researchers: Aguilar‚ Sandino Michael Angelo Alejo‚ Gymboy‚ Agripa‚ Cyril Ann‚ Baloloy‚ Alyssa Mae‚ Zamudio‚ Catherine Corrosion is the phenomenon of a material as a result of its interaction with its environment‚ which is applied mostly to metals particularly to their reaction with oxygen. Rust inhibitor that when added to liquids decreases the corrosion rates of a material. The researchers proposed for a rust inhibitor
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THE NAVAJO WATER CRISIS By Chris Treat Indigenous History in the US Since 1900 HIST 4023 Farina King 4/28/17 The Navajo have been faced with a water crisis and have been suffering with very little news coverage when compared to Flint‚ Michigan. Both cases are very unfortunate yet it seems that Flint‚ Michigan has received more coverage and even that is starting to die down without being resolved similar to the Navajo case. The Navajo case can be broken down in terms of time‚ conditions‚ and
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nickel-clad coins can be soaked in distilled water or‚ to remove tough stains‚ white vinegar. A 6-minute soak in lemon juice may also be used on silver coins. This will not only protect the coin but it will help give the coin a finish at the end of the cleaning. For gold coins‚ soaking in very hot soapy water works the best. For old pennies‚ soak the coin in vinegar for at least 24 hours. For bronze coins — usually ancient coins — soak in distilled water (the minerals in tap water can further
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April 10‚ 2012 “Navajo” Code Talkers - Research Paper Navajo Code Talkers During War World II‚ the United States needed a secure and immediate way to transmit messages and communicate by telephone and radio in a code that could not be broken by the Japanese. Cryptography is the science or study of writing or solving codes; which made this war effort difficult to accomplish. America succeeded this goal with a code that was not based on any type of science‚ mathematics‚ or substitutions‚ but on
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Tom Clah‚ a Navajo sand painter‚ once said‚ “My work is traditional and contemporary‚ and sometimes a mix of the two.” Traditional and contemporary is what makes the Navajo sand paintings sacred. The ceremonials the Navajo have‚ contain sand paintings that relate to the ceremony taking place. These ceremonies contain not only sand paintings but also healing songs that return the patient back into “hozho” or balance. Creating the sand paintings has a definite process to it but it is not an easy job
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Navajo Indians Survival of an Adaptive Society Kemi McBeth Anthropology 101 Instructor Steven Sager 4 February 2013 One of the fastest growing ethnic populations in the United States is said to be the Navajo Indians. They are the second largest American Indian group in the United States‚ according to the U.S. Census Bureau in 2008‚ and they are known to be an adaptive type of society. As a pastoral society who utilized
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Uranium‚ a very large natural metal which has been used for 60 years as a concentrated energy‚ was discovered by Martin K Laproth‚ German chemist‚ in 1789. Uranium was named after planet Uranus‚ which had been found eight years before. According to Lee Soo Ann (1968)‚ uranium is generally known as ‘yellowcake’. About 6.6 billion years ago‚ uranium was created in the supernovae and provides heat for the earth (Wyoming Mining Association‚ 2000). Uranium can be found in soil‚ water‚ air and in resources
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lives. Mine disasters once were really common. In the single year of 1907 there were 18 coal mine disasters.. Among the disasters in 1907 was history’s worst the Monongah coal mine explosion‚ which claimed 362 lives and impelled Congress to create the Bureau of Mines. I will discuss this disaster more later in this paper. Mine accidents have declined dramatically in number and severity through years of research‚ technology‚ and preventive programs. Today mine accidents resulting
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into perspective. One of our goals along this journey was to ask questions‚ educate ourselves and raise awareness about a proposed mineral mine that sits on some of Earth’s most pristine regions. In order to preserve untouched and pure land in Bristol Bay‚ AK‚ the construction of an open-pit mineral deposit known as Pebble Mine needs to be put to a halt. This mine has potential to negatively affect the local ecosystem‚ including the largest salmon fishery in the world‚ which will also affect the long-term
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Ely Mine EVSP 594 July 20‚ 2014 Phyllis Langone Ph. D. Ely Mine Executive Summary The Ely Copper Mine was mined from 1821 to 1920 sporadically for copper and during this time it added trace elements and acid runoff to the streams and river around the mine. The mine sat idle for almost twenty years when in 1942 the mine was reopened during the war because metals like copper were needed (USGS United States Geological Survey‚ 2007). The Ely Copper Mine in Vershire‚ Vermont has throughout the
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