Introduction Silver is a chemical element with atomic number 47 and symbol Ag. It is white‚ soft‚ mallable and ductile metal slightly harder than gold. Silver is extremely flexible‚ this means that it can be converted into both flat sheets and electrical wire. This makes silver is an ideal metal for all kinds of industrial use. Silver occurs in lead‚ Zinc and copper ore deposits. Lead ore is the main source of Silver. In fact‚ 75% of the resources in the world are found in association with other
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commodities such as gold and silver. Silver Exchange Traded Funds (ETFs) are traded in the stock market providing a non traditional investor of silver an easy way to gain exposure without having to purchase bullions of the commodity. The first silver ETF arrived on the scene in 2006—in the form of the iShares Silver Trust‚ managed by Barclays Global Investors. Today‚ the ETF has over $13 billion in assets and has returned 25.17% in average annualized returns since inception. Not only iShare Silver Trust‚ the
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summary Gold is a chemical element with the symbol Au and atomic number 79. It is a dense‚ soft‚ malleable‚ and ductile metal with an attractive‚ bright yellow colour and luster that is maintained without tarnishing in air or water. Chemically‚ gold is a transition metal and a group 11 element. It is one of the least reactive chemical elements‚ solid under standard conditions. Its pros are that it gives satisfaction to one‚ security and stability to peoples. Its cons are that the price of gold fluctuate
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Macmillan Ltd 1470-8914/03 $15.00 www.palgrave-journals.com/cpt Silence: A Politics Kennan Ferguson1 Department of Government and International Affairs‚ University of South Florida‚ 4202 East Fowler Avenue‚ SOC 107‚ Tampa‚ FL 33620-8100‚ USA E-mail: kennan@luna.cas.usf.edu This article investigates the unfamiliar political implications of silence. Generally regarded as simply a lack of speech imposed upon the powerless‚ silence is thereby positioned as inimical to politics. In a normatively
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Gold Gold is a very commonly used substance in today’s world‚ although it has been used by man since ancient times. Gold comes from the ground or from the ocean and must be mined but has caused major commotion since the early 1900s with people trying to get rich quick. You can find gold in some major regions of the world‚ but the most common places for gold mining are South Africa and a lot of US productions come from South Dakota and Nevada. The symbol for gold is Au for its Latin name Aurum
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SILVER By: Wahida Gh-Sakhi What is Silver? Silver is a chemical element with the chemical symbol Ag and atomic number 47. A soft‚ white‚ lustrous transition metal‚ it possesses the highest electrical conductivity of any element and the highest thermal conductivity of any metal. Element Symbol • Ag • Silver‚ Symbol Element Name • Silver Atomic Mass • The atomic mass is 107.8682 Atomic Number • The atomic number is 47 Bohr-Rutherford Diagram The Story of its Discovery Unknown since prehistoric
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the mid sixteenth century a silver mine located at Potosi‚ South America was formed. This silver mine was one of the few major silver mines in the world‚ the others located in Northern Central America and Southern Japan. This certain mine was known for its distinctive rich black flint. Extensive excavation required more than three-thousand Indians to work away with picks and hammers to break up the ore and bring it up to the surface. Just after refining the ore‚ the silver is shipped to Spain then from
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Silence suppression Silence suppression is achieved by recognizing the lack of speech through a speech processing mechanism called voice activity detection (VAD) which dynamically monitors background noise and sets a corresponding speech detection threshold. This technique is also known as speech activity detection (SAD). Silence suppression is a way to save bandwidth when conducting voice communications‚ or at least audio communications‚ over the Internet; it’s an advantage for businesses‚ especially
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beginning of a widespread silver mining in Japan had a major impact on silver production‚ greatly increasing it. However‚ this increase in silver supply seemed good to some people‚ but overall caused many problems. Suppliers such as Japan and Spain‚ and receivers such as Ming China‚ seemed to benefit from this rapid increase in silver mining‚ but this increase caused worldwide problems as well. Based on the documents‚ the effects of the increase of the production of silver‚ was beneficial to those
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The Cross of Gold speech was delivered by William Jennings Bryan‚ a former United States Representative from Nebraska‚ at the Democratic National Convention in Chicago on July 9‚ 1896. In the address‚ Bryan supported bimetallism or "free silver"‚ which he believed would bring the nation prosperity. He decried the gold standard‚ concluding the speech‚ "you shall not crucify mankind upon a cross of gold".[1] Bryan’s address helped catapult him to the Democratic Party’s presidential nomination; it is
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