Date | Event | c. 2400 BC | The abacus - the first known calculator‚ was probably invented by the Babylonians as an aid to simple arithmetic around this time period. This laid the foundations for positional notation and later computing developments. | 1300 | Ramon Llull invented the Lullian Circle: a notional machine for calculating answers to philosophical questions (in this case‚ to do with Christianity) via logical combinatorics. This idea was taken up by Leibniz centuries later‚ and is thus
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the purpose of ore‚ the standard model is suitable for medium crushing; the medium model is suitable for fine crushing and the short head model is suitable for fine crushing. Here are some suggestions to the cone crusher maintenance‚ we hope to be helpful. First‚ the maintenance of bearings. I believe that we all know the bearings plays the role of the aorta‚ and operates under the full load when the machine is running. So let the bearings with good lubrication has a direct relation to the life of
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Computer Lab or Computers in the Classroom Everyone lives in a society dependent on technology at work‚ home‚ and school‚ but students are not able to access this technology on a continuous basis. Computers are significant to education because they make us reconsider how students learn‚ how they are inspired‚ and what useful information is. Classroom with computers have become an important part of the curriculum and need to be used daily. Phasing out computer labs and putting computers right in
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GLOBAL PRODUCTION ENGINEERING AND MANAGEMENT (GPEM) Final assessment on Maintenance Management‚ by Marco Macchi‚ date 02-2011 Exercise #1 A Weibull analysis has been carried out on different components: the components under study are a pump and an electric motor (that is the motor needed in order to drive the pump); the analysis provides the reliability data for each component. • The pump has the following data: scale factor α = 8000 hours and shape factor β = 1. • The motor has the following
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Linear Programming Concept Paper There are two types of linear programming: 1. Linear Programming- involves no more than 2 variables‚ linear programming problems can be structured to minimize costs as well as maximize profits. Due to the increasing complexity of business organizations‚ the role of the management executive as a decision maker is becoming more and more difficult. Linear programming is a useful technique to solve such problems. The necessary condition is that the data must be
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Central Institute of Classical Tamil ANNUAL MAINTENANCE CONTRACT TERMS & CONDITIONS Sub: Annual Maintenance Contract of Servers‚ PCs‚ Laptop‚ Printers‚ Scanner‚ DVD Combo Drives Sealed quotations are invited from firms (on official letterheads) duly filled in Annexure- I & II for award of Annual Maintenance Contract (AMC) of Servers‚ Desktop-PCs‚ Printers‚ Scanner‚ DVD Combs etc.‚ listed in Annexure- III. The firms who fulfill the following eligibility conditions should only apply. 1. The firm should
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The correct method to use floor scrubber longevity is very much affected‚ routine maintenance for the professional floor scrubber is very necessary that such machines require the use of water every day to work or after the completion of a simple cleaning tasks maintenance operation. The following points are floor scrubbers necessary for routine maintenance procedures: 1‚ check the squeegee is clean. 2‚ the body with a dry cloth and machine disk (above‚ bottom) Wax clean. 3‚ cleaning squeegee
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Sony Computer Entertainment Europe Research & Development Division Pitfalls of Object Oriented Programming Tony Albrecht – Technical Consultant Developer Services What I will be covering • A quick look at Object Oriented (OO) programming • A common example • Optimisation of that example • Summary Slide 2 Object Oriented (OO) Programming • What is OO programming? – a programming paradigm that uses "objects" – data structures consisting of datafields and methods together with their
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throughout the development of this workbook. 3 WHO/MSD/MSB 00.2g 4 Evaluation of Psychoactive Substance Use Disorder Treatment WHO/MSD/MSB 00.2g Table of contents Overview of
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"Operational Research" Mar. 2007‚ IST Linear Programming‚ an introduction MIGUEL A. S. CASQUILHO IST‚ Universidade Técnica de Lisboa‚ Ave. Rovisco Pais‚ IST; 1049-001 Lisboa‚ Portugal Linear Programming is presented at an introductory level‚ mainly from the book by Hillier and Lieberman [2005]‚ abridged and adapted to suit the objectives of the “Operational Research” course. It begins with segments of its third chapter. Key words: linear programming; simplex method. I. Fundamentals and scope
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