Hydrometallurgy 105 (2010) 148–154 Contents lists available at ScienceDirect Hydrometallurgy j o u r n a l h o m e p a g e : w w w. e l s ev i e r. c o m / l o c a t e / h yd r o m e t Treatment of copper flash smelter flue dusts for copper and zinc extraction and arsenic stabilization A. Morales a‚ M. Cruells b‚ A. Roca b‚⁎‚ R. Bergó b a b Universidad Católica del Norte‚ Department of Metallurgical Engineering‚ Antofagasta‚ Chile Universitat de Barcelona‚ Department of Materials Science and Metallurgical
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EXPERIMENTAL PROCEDURE: 1. 2.07 g of the mixture of naphthalene and benzoic acid was weighed accurately on a balance. The mixture was then dissolved in 40 ml dichloromethane and the solution was poured into a separatory funnel. 2. 20 ml of aqueous sodium bicarbonate solution was added to the dichloromethane. A stopper was placed on the separatory funnel and was shaken and pressure was frequently released. The 2 liquids separated into clear layers and the lower layer (dichloromethane layer) was
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Acid Rain Effect on Tomato Seed Germination Qsanet Tekie Mrs. Schneider AP Environmental Science 2nd Period 15 February 2014 Manufactured vs Natural Acid Rain Effect on Tomato Seed Germination Introduction The purpose of my experiment is to see the effects of different types of acid rain on tomato see germination. Specifically‚ I am testing man-made acid rain versus natural rain water to see if one inhibits the seed germination more than the other
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Several years ago‚ Acme Mineral Extraction Company introduced teams in an effort to solve morale and productivity problems. Acme used highly sophisticated technology‚ employing geologists‚ geophysicists and engineers on what was referred to as the brains side of the business‚ as well as skilled and semi-skilled labor on the brawn side to run the company’s underground extracting operations. The two sides regularly clashed‚ and when some engineers locked several operations workers out of the office
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The Feasibility of Used Cooking Oil and Charcoal as an Alternative Ink for T-shirt Prints Chapter 1 Background of the Study When most people think of modern technological innovations‚ the first thing that comes to their minds are the advancements of technology in computers‚ communication devices and many more. However‚ there is a modern technological advancement in the field of fashion too‚ and one of it is the advancement in textile printing that has led to the rise in fashion clothing
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Reading an Academic Source: “Historic low prestige and seeds of change: Attitudes toward Jamaican Creole” Jamaican Creole (known to its speakers as Patois) is a language of ethnic identification for roughly two and a half million people in the island of Jamaica‚ and overseas for many thousands of native speakers. The origins of the Jamaican Creole postdate 1660‚ in the interaction of British colonists and African slaves. Jamaican language and its place in society reflects the brutal history
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form soaps that are salts of fatty acids and glycerol‚ which is tryhydric alcohol. Yellow bell is a shrub with small‚ elongated branches and narrow alternate leaves. The plant requires direct sunlight. Quisumbing (1978) mentioned‚ that the the vetin seeds yield a fixed oil that contains triolein (63 percent)‚ tripalmitin and stearin (37 percent). In regulated doses‚ the decocted bark is employed as emetic and febrifuge‚ being said to be effective in intermittent fevers. The bark is also antiperiodic
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UCGE Reports Number 20187 Department of Geomatics Engineering Automated Extraction of Digital Terrain Models‚ Roads and Buildings Using Airborne Lidar Data (URL: http://www.geomatics.ucalgary.ca/links/GradTheses.html) by Yong Hu October 2003 THE UNIVERSITY OF CALGARY Automated Extraction of Digital Terrain Models‚ Roads and Buildings Using Airborne Lidar Data by YONG HU A DISSERTATION SUBMITTED TO THE FACULTY OF GRADUATE STUDIES IN PARTIAL FULFILMENT OF THE REQUIREMENTS
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“The seeds of World War Two were sown in the Treaty of Versailles in 1919.” The Treaty of Versailles was a peace treaty that was signed on the 28th of June 1919‚ exactly five years after the assassination of the Archduke Franz Ferdinand. Background causes may have started World War One but the trigger was the assassination of the Archduke. After the war‚ France and Britain sought revenge for the damage done to their countries and people. The Allied forces wanted to crush Germany
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KERNELS AND SEED COATS ABSTRACT In all aerobic organisms‚ production of free radical is balanced by antioxidant defense system. Antioxidants are very important in terms of preventing oxidative stress that may lead to several degenerative diseases. Studies have been done on the sky fruit leaves‚ bark and seeds and they were reported to have many medicinal value. The aim of this study is to evaluate the antioxidant properties of sky fruit kernel and sky fruit seed coat. The seeds of the sky
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