Composites 1.1 Concise History [4] The search for alternative materials arose from growing technological and environmental demands for more efficient and sustainable components for industrial purposes. It was in the 1940s when the military first placed a priority on finding more high-strength and lightweight materials for their vehicles. The main materials used at that time were metallic, and while they were functional, they were often prohibitively heavy, so that the engines could not carry as much
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9-603-062 REV. OCTOBER 29, 2002 DOROTHY LEONARD DAVID KIRON Managing Knowledge and Learning at NASA and the Jet Propulsion Laboratory (JPL) Downsizing at NASA over the last decade through attrition and buyouts has resulted in an imbalance in NASA’s skill mix.1 — The President’s Management Agenda, Fiscal Year 2002 By the end of this decade, many of the most experienced scientists and engineers at NASA and JPL are going to retire. If we don’t have systems in place to retain more of what
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what this pollution is. The pollutants that harm our respiratory system are known as particulates. Particulates are the small solid particles that you can see through a ray of sunlight. They are products of incomplete combustion in engines (example: automobile engines), road dust, and wood smoke. Billions of tons of coal and oil are consumed around the world every year. When these fuels burn they produce smoke and other by-products into the atmosphere. Although wind and rain occasionally wash away
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expanded and exploded in terms of size, assets, revenues and profits. PIA has bagged many achievements as well like the first Asian company to add a jet airplane to its fleet and enabling the operator to enlarge its network and expand services across many borders. It was also the first non-communist airline to offer flights to Shanghai, China. History of PIA’s fleet and routes During the 60s-90s PIA was considered the leading airline of the world offering the best services and the most decent
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( Exam on Analogy 1.Biography : Autography (a) mobile : automobile (b) dead : living (c) testimony : confession (d) author : performer (e) memories : history 2. INDIFFERENT : CONCERN (a) unbigoted : tolerance (b) unnatural: emotion (c) variable :change (d) arrogant : modesty (e)intrepid : bravery 3. PLAY : ACTS
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(Mental Floss). The British Mark I intended to cross no man’s land and avoid being shredded by the power of the machines guns from the opposing side. These new armored vehicles proved successful and were improved and used more frequently throughout history. Another form of technology and weapon in the first World War was called the interrupter gear. The interrupter gear was used during air combat and allowed machine guns to be fired without the damaging the aircrafts propeller. This invention allowed
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integrated defense systems division is about 50/50. Boeing has been the premier manufacturer of commercial jetliners for more than 40 years. Today, the main commercial products are the 737, 747, 767 and 777 families of airplanes and the Boeing Business Jet. New product development efforts are focused on the Boeing 7E7. 1.2 Basic information of Boeing 7E7 Boeing 7E7 was expected to enter service in 2008 with three versions: a baseline model with 200 seats and a range of 7,800 nautical miles; a lighter
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Dr. Ramadan ELgamsy INTRODUCTION Dr. Ramadan ELgamsy What Are Materials? Substances out of which all things are made What materials are present in the classroom? Dr. Ramadan ELgamsy Material History Materials continue to change the world. Advancements in materials, technology, and science create continued advancement possibilities for Materials Advancements Dr. Ramadan ELgamsy Material Composition Elements Consist of only one type of particle or atom Cannot be broken
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key driver of the proposed merger was the desire of GE and Honeywell to combine their complementary product lines in the civil aerospace industry.2 GE makes, sells, and services large aircraft engines. Honeywell, itself the result of a 1999 merger between Allied Signal and Honeywell, makes small aircraft engines, various avionics components, and other “non-avionics” components, such as environmental control systems, wheels and brakes, and auxiliary power units. At its heart, the merger was neither horizontal
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Segmentation Markets are segmented into different 'niches', driven by different types of consumers with different product or service requirements. The fact of the matter is that we do not all want the same products, and we have different requirements for the products and services that we do consume. Product differentiation is based on four elements: Price – How much am I prepared to pay for this product? Quality – What level of quality do I require? Availability – or maybe delivery. How
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