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Computer_Material_View

2013-11-13 来源: 类别: 更多范文

Computer Material View Impact of Computer - A Material View Computers are probably the best characterization for modern life. For the past twenty years, its popularity has grown tremendously. To meet the demands of competition and technology, the computer industries rapidly develop newer and faster machines to make the old ones obsolete. According to study, a new computer’s life is only about eighteen months. With the society more focused on environmental protection, it becomes more important to discuss the material impact of computers. Computers typically have heavy metal content like steel, aluminum, lead, etc [2]. For example, computer monitor is mostly comprised of leaded glass and plastic, and the chip on circuit board is made of copper. With the growing production of computers, it becomes more important to think about the effect it has on natural resource. According to a comprehensive resource flow study titled Resource Flow: The Material Basis of Industrial Economies, we use approximately 100,000 pounds to 187,000 pounds of natural resources per person per year. Researchers believe that roughly 14 million to 20 million computers are retired each year in this country, and of those, nearly 75 percent are simply stockpiled somewhere. Only 10 percent to 15 percent are re-used or recycled, computers, resource, old, material, machines, percent, natural, year, recovery, computer, waste, technology, study, steel, society, retired, responsibility, re-used, protection, pounds, plastic, per, parts, million, metal, meet, life, important, impact, heavy, flow, environmental, each, content, companies, best, becomes, aluminum, according, about, 15, with, years, whole, ways, way, view, computers, vendors, usable, typically
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