Timeline of materials technology BC • 29‚000–25‚000 BC – First pottery appears • 3rd millennium BC – Copper metallurgy is invented and copper is used for ornamentation • 2nd millennium BC – Bronze is used for weapons and armour • 16th century BC – The Hittites develop crude iron metallurgy • 13th century BC – Invention of steel when iron and charcoal are combined properly • 10th century BC – Glass production begins in ancient Near East • 1st millennium BC – Pewter beginning to be used in
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Transforming the Materials Economy Written by Alex Nicoll (http://www.newgreeneconomy.com) The Materials Economy The Materials Economy has been the driving force behind U.S. economics since the Second World War. The name refers to the raw materials from which its products are made. The marketing and sale of these products is what keeps the Materials Economy in motion‚ while exhausting natural resources and generating incalculable amounts of waste. Consumer products manufactured and sold in
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| |Pipe is one of the more common types of plastic product we are familiar with. Pipe is produced by an extrusion process. Basically extrusion can be | |defined as forcing a material through a die orifice. This die orifice produces the final shape of the finished product. It is probably a bit of over| |simplification‚ but extrusion is somewhat analogous to squeezing toothpaste through a tube.
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Engineering Materials Msc. Shaymaa Mahmood Introduction to Eng. Materials : Since the earliest days of the evolution of mankind ‚ the main distinguishing features between human begins and other mammals has been the ability to use and develop materials to satisfy our human requirements. Nowadays we use many types of materials‚ fashioned in many different ways‚ to satisfy our requirements for housing‚ heating‚ furniture‚ clothes‚ transportation‚ entertainment‚ medical care‚ defense and all the
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QUESTION BANK OF MATERIALS MANAGEMENT 1. Explain the meaning‚ objective and functions of Materials management. 2. Explain Brisch and Kodak system of codification. 3. Describe Materials Planning briefly? 4. What do you understand by Standardization and variety reduction? Explain briefly . 5. Explain different functional budgets prepared in an organization. 6. Explain the meaning of Materials Management. 7. Explain the functions of Materials Management. 8. Draw the organizational
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Photosensitive materials (x-ray films) are used to record the invisible x-ray image. It is required to reproduce all the characteristics of the invisible image in visible form .The films ability to do so depends on its sensitometric properties. Sensitometer: Measures films sensitivity to light; shows the range of densities on an image. Sensitometry:- The scientific study of the response of photosensitive material to different levels of exposure. How is it done? Producing a sensitometric strip
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Material Science Shawna Wright SCI210-1301A-10 Phase 1 IP Colorado Technical University Online January 13‚ 2013 Professor: Rosemary Raker Abstract In this assignment I will be defining the 3 essential properties of every material and describing those. I would also be describing how silicon-based
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Company Email Usage Policies Abstract Any time a company allows employees access to their email system‚ the organization ’s assets‚ future and reputation are at risk (techtarget.com‚ 2004). As a result it is important that a company email policy be created and implemented. This policy will include: the purpose of emails‚ the ownership of emails‚ email usage‚ sensitive and confidential materials‚ prohibited content in emails‚ virus checking archiving emails and violations to the email policy. The
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Database Marketing Methods Getting database list can be fairly straightforward if they have their own customer. But even then‚ Citibank Singapore may have to develop more sources to obtain additional customer data about your customers. Here are some of Citibank in-house records collected that can be used to develop the customer database: Sales Receipts/Invoices/Order Forms These documents give Citibank the following information of customer buying behaviour: date of last purchase‚ dates of all
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tools of optimization in inventory management. The study methods employed include the variance analysis‚ Economic Order Quantity (EOQ) Model and the Chi-square method. The answer to the fundamental question of how best an organization which handles inventory can be efficiently run is provided for in the analysis and findings of the study. Consequently‚ recommendations on the right quantity‚ quality and timing of material‚ at the most favourable price conclude the research study. 1. INTRODUCTION Inventory
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