* Table of Contents 1. Introduction 1 2. Background 2 3. Power Electronic Converters 4 4. Control of Motors Driving Grinding Mills in Mines 5 4.1. Load Commutated Inverter Drive 6 4.2. Cycloconverter 8 4.3. Slip Control Variable Speed Drives 9 5. Mechanical Problems of Large Grinding Mills. 11 6. Electrical Problems Caused by large Grinding Mills 12 7. Conclusion 13 7. References 14 Introduction In the mining industry grinding mills are used to crush mined ore. To take advantage
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hf. 1. Hear Mass Transfer. Vol. 7‚ pp. 1187-I 194. Pergamon Press 1964. Printed in Great Britain HEAT TRANSFER IN AN ANNULUS WITH VARIABLE CIRCUMFERENTIAL HEAT FLUX? W. A. SUTHERLAND: and W. M. KAYS§ (Received 10 March 1964) Abstract-An analysis of heat transfer in a concentric circular tube annulus with an arbitrarily prescribed heat flux around the periphery of either wall‚ or both walls‚ is presented. Solutions have been obtained for the hydrodynamically and thermally fully
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Variable Volume Chilled Water Pumping System Controls Dave Hacker – Engineering Manager Kyle Schroeder‚ PE – Sales Engineer Outline • Introduction • Chilled Water Pumping Systems Configurations / Control Strategies – Primary – Secondary Pumping – Variable Primary Pumping • Demonstration / Live Web Graphics • Discussion and Questions Local Service and Support Innovative Energy Solutions • 45 year record of successful project installations – Hundreds of local DDC installations •
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Important structural variables in structure conduct performance (SCP) Structural characteristics often change slowly and can be regarded as fixed over time. Government policies can alter industry structure. We can identify the following as some of the more important structural variables. • Concentration This refers to the amount of market power held in the hands of a few firms and is normally measured by the share of total industry sales‚ assets or employment controlled by the largest firms
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INTERACTION BETWEEN MUTUAL FUNDS AND MACRO-ECONOMIC VARIABLES: A GHANAIAN CONTEXT MSc FINANCIAL ECONOMICS 1 ABSTRACT This paper analyses the interaction between mutual fund prices‚ exchange rates and inflation in Ghana. The study focuses on the first and the largest equity mutual fund in Ghana known as the Databank EPACK Investment Fund. With over 50 million shareholdings and investments in 12 African countries‚ the fund is arguably the leading Pan African mutual fund. A total of
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Lab 4: Climate Variables and the Change in Western United States’ Levels Abstract: The purpose of the lab was to determine the outcome of the daily time steps from 1958-2062 of the Western United States and compare them. That was done by using three factors in three different time periods; was placed in a global change model simulation of complex models and were then compared to determine the outcome of the experiment. What all these graphs meant was that the overall Ocean Mixed-Layer Temperature
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How do the four contingency variables influence organizations’ structure? During 1970s‚ the United States of America was suffering unprecedented social‚ economic and political instability‚ with the great impact posed on western society by the crisis of oil‚ and the changing environment all the industries were facing. Previous management theories‚ such as scientific management theory‚ science of behaviour management theory and so on‚ only focused on how to improve enterprises’ internal organizational
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Diego Technology‚ Inc. As you expressed a concern for your company’s variable interest entities‚ I can assure you that AJP & Company has diverse and comprehensive experience with complex accounting practices and can address those needs and provide a customized and quality solution. AJP & Company has gained experience in the technology industry‚ and has serviced many companies with complex accounting topics. Variable interest entity accounting is a topic that AJP & Company commonly
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Demonstrate an understanding of how the uncontrollable and controllable variables impact upon the organisations Uncontrollable variables are variables that cannot be controlled directly by a business. These impacts may be either negative or positive so it is essential for an organisation to quickly adapt when they occur. Some of the uncontrollable variables that face Apple and Nokia are: competition‚ the economy‚ and laws. Competition – Apple and Nokia cannot restrict other businesses competing
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Business Research Name University of Phoenix Business Research‚ RES/351 November 9‚ 2014 Melinda Hess Business Research For this week’s assignment I was to find at least two business research peer-reviewed articles in the University Library and write a paper in which I identified the critical first stage of developing any research study. The research process itself has many steps‚ however before any of the steps are reached one must first decide on the aim or intent of the research. One must
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