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This paper presents the implementation of a fault detection and correction technique used to design a robust 8051 micro-controller with respect to a particular transient fault called Single Event Upset (SEU). A specific study regarding the effects of a SEU in the micro-controller behavior was per..
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ComputersThere are two major types of hardware used in a CAD system. Computer and input/output (I/O) devices. In the early days of CAD. Some commercial CAD systems used proprietary computers. Today, nearly all CAD software runs on a general-purpose computer.Depending on the complexity of the CAD ..
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WR-21 引擎的一个纯度检验证明是它的模组设计. 个别的组件可能搭乘船被移动而且代替,除去对引擎的需要在维护期间被移动,减少支持需求,而且促进舷侧维护. 被预先平衡的除此之外,那个替换 WR-21 的元素是,除去对整齐平衡的需要在核心引擎被装配之后. "这些特征能表现维护的重要减少而且支援费用 , 我们估计每一一年船是..
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The U.S. Navy completed approximately 10 yards of advanced cycle studies culminating in a competitive request for proposals in 1991. The ICR development contract was awarded to Westinghouse Electric Crop. Marine Division, in Sunnyvale, Calif. The development team includes Westinghouse Rolls-Royc..
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PEDYN specializes in Small Business Manufacturing Operations, Engineering Management, and Document Control Software. See the all in one P2000 Enterprise Resource Planning (ERP / MRP) program that uses Microsoft Access as the program platform. The P2000 is a powerful Low Cost solution for your com..
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THE END OF the Cold War did not spell an end to world-wide hostilities, as has been demonstrated by the invasion of Kuwait and the war in Bosnia. Like it or not, the credibility of American foreign policy is directly linked to its ability to project military power in the world. While there is sti..
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When a network performs poorly, its users often complain to the folks running it, demanding improvements. To improve the performance, the operators must first determine exactly what is going on. To find out what is really happening, the operators must make measurements. In this section we will lo..
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摘要:本研究开发了两种用于气相催化反应的不锈钢反应器,它们在变温条件下热力学行为各有特点。第一种反应器(FTC-Ⅰ),在0.05Hz频率下,允许温度周期变化幅度高达100K。不过,反应器内部温度梯度80K。第二种反应器(FTC-Ⅱ),在0.06Hz下,可避免温度不均匀分布,允许最大温度变化量可达60K。在第二个反应器FTC-Ⅱ中..
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摘要:敏捷制造认识到不稳定的市场,并试图通过满足客户不断变化的需求来提高公司的竞争力。在这样做的同时,参与敏捷制造的竞争者需要同制造供应商,竞争对手合作,或者与这两者同时合作。由于市场的内在性质是不稳定的和复杂的,对于经营变化的潜在能力,不确定性和复杂性是必不可少的。这种首要潜在能力的支柱是人们..