how does the US Economic indicators Effect the Copper Prices : A Quantitative Analysis abhishek jhunjhunwala Economic indicators have major role on the prices of the commodities. A quantitative analysis was done to construct a model to predict the future prices of the commodities. Nineteen economic indicators were considered for our study based on CME rating. The analysis was done on base metals & the results of aluminium are presented here
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Simultaneous determination of copper‚ zinc and lead by adsorptive stripping voltammetry in the presence of Morin E. Shams a‚∗ ‚ A. Babaei b ‚ M. Soltaninezhad b a Institute for Advanced Studies in Basic Sciences‚ Zanjan 45195-159‚ Iran b Department of Chemistry‚ Arak University‚ Arak‚ Iran Received 24 November 2002; received in revised form 5 September 2003; accepted 15 September 2003 Abstract A sensitive and selective method for the simultaneous determination of copper‚ zinc and lead is presented
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In all advanced electronic circuits‚ toxins and hazardous substance are utilized. [1] A smartphone is composed from over 1000 different materials [4]. This article takes a closer look at environmental problems associated with using tin‚ gold and copper for the production of smartphones. Tin is the main component of all solder points on a smartphone printed circuit boards. Most of the tin is produced in China and Indonesia. About one third of all tin production in the world comes from
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Johnson’s plan for J.C.Penny failed‚ because of his ignorance towards people‚ strategy‚ and operations(Tuttle‚2013). Ron Johnson was very successful in his strategies with Apple Inc.‚ he was given credit for Apple’s retail store clean lines‚ and socializing bar‚ which helped Apple’s retail stores to get more customers. Johnson had similar strategy for J.C.Penney‚ he was not successful with JCPenney for changing the culture completely. Ron Johnson’s plan ignored the customers‚ no research was done
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Determination of the Waters of Crystallisation/ Water of Hydration‚ In Hydrated copper (II) Sulphate Introduction In nature there are some salts that will have water in their crystalline structure. These salts are commonly known as hydrated salts. Hydrated Copper (II) sulphate is one of these‚ as suggested by the use of the word hydrated in its name. Its molecular structure is shown below. The water that is chemically combined into their structure is called the water of crystallisation.
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Calculating the Enthalpy Change of Reaction for the Displacement Reaction between Zinc and Aqueous Copper Sulphate Data Collection and Processing Observations: * Drops of water left on the inside of the measuring cylinder * Hole in the lid‚ possible escape route for gas or splash-back * The polystyrene cup felt warm during the reaction By extrapolating the graph we can estimate what the rise in temperature would have been if the reaction had taken place instantaneously. I can
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stones‚ bricks‚etc. The auxiliary suction hose’s working diameter can reach 10m‚ which can used for green belt and blind corner manual work can’t reach. No secondary dust problem‚ and the sweeping rate up to 99% or more.It can be widely used for road cleaning‚ moreover‚ it is the ideal sanitation equipment for the places of square‚ park‚ campus‚ housing area‚ parking lot‚ dock‚ airport‚ cement plant‚ electric power plant‚ steel plant‚ etc. YHCX5070 Vacuum Road Sweeper Features: 1、Simple Structure: No
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UNIT CU1515-Introduction to communication in health‚ social care or children’s and young people’s settings. 1.1. Identify different reasons people communicate. A: People communicate for a variety of reasons. There are several different reasons why people communicate. People communicate each other to: express needs‚ share ideas‚ information‚ to express feelings‚ to give information and instructions. 1.2. Explain how effective communication affects all aspects of your own work. A:
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EXPERIMENT 1: Aim: To range the metals copper‚ lead‚ silver and zinc together with hydrogen. Start with the strongest reducing agent. Hypothesis: The nobler a metal is‚ the worse reducing agent. Apparatus/requirements: Sandpaper‚ strips of; zinc‚ lead‚ silver and copper‚ solutions containing aqueous; Zn2+‚ Pb2+‚ Cu2+ and Ag+ ions (0.2 M)‚ hydrochloric acid (5.0 M)‚ emery paper‚ test-tubes. Method: Burnish the three metal strips to get a shiny surface‚ after drop a drop of each of the metal
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The Chilean Cooper Mine Mary Carver BCOM/275 Allan Stallings September 20‚ 2012 The Chilean Cooper Mine cave in 2010 trapping 33 workers for 17 days 2‚300 feet underground was a tragic accident that they could have been prevented if the company would have had a strategic business plan in place for this type of crisis ("Chile Mining Accident (2010)"‚ 2011). A crisis management plan is crucial to have in a mining company‚ but every company large or small should have one. No business plans
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