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产品可靠性,这是一个新的起点,无论是对于我们的杂志,还是对于绝大多数中国企业。 相似文献
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高技术产品的可靠性管理董宇鸿高技术产品的可靠性管理是高技术产品质量管理的重要内容之一。但是可靠性管理技术有自身的特点,不同于一般的质量管理,在激烈的市场竞争条件下,开展对高技术产品可靠性管理,对保证高技术产品质量,提高企业的竞争能力,显得格外重要。一... 相似文献
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汽车可靠性工程学是把可靠性工程学的最基本的方法和原理结合汽车工程的问题,形成以研究汽车可靠性设计、分配、预测、试验、评价、维修性等为主要内容的应用型科学。本文阐述了汽车产品可靠性工程内容及设计构建的方案。 相似文献
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半个世纪以来,可靠性理论与方法已成功地应用于航空航天等军事工程领域,取得了明显效果。但在民用产品领域的应用尚不多见。《民用产品可靠性工程方法初探》一文以空调企业为例,根据民用产品的特点,对可靠性方法的选择、可靠性工程项目的确定与实施作了详细描述。 相似文献
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Michael McAleer 《Journal of economic surveys》1994,8(4):317-370
Abstract. In four novels and fifty-six short stories, Sir Arthur Conan Doyle developed the characters of Mr. Sherlock Holmes and his trusted friend and chronicler, Dr. John Watson. The creation of the brilliant sleuth and his partner who, although not possessing genius, stimulated it in his friend, was a masterstroke. The adventures, memoirs, return, last bow, and case book of Sherlock Holmes, as well as the four famous novels, are stories of sheer delight. Econometrics may not have the everlasting charm of Holmesian characters and adventures, or even a famous resident of Baker Street, but there is much in his methodological approach to the solving of criminal cases that is of relevance to applied econometric modelling. Holmesian detection may be interpreted as accommodating the relationship between data and theory, modelling procedures, deductions and inferences, analysis of biases, testing of theories, specification and respecification of theories, re-evaluation and reformulation of theories, and finally reaching a solution to the problem at hand. With this in mind, can applied econometricians learn anything from the master of detection? This paper provides an outline of Holmesian deduction through the various stages of accommodation, namely problem solving, theorizing before data, examining the quality of data, the meaning of truth, reconciliation with data, and testing of theories. Testing procedures, especially the use of diagnostics, are the most common research method used in econometrics for examining a number of specifications within a modelling cycle of specification, estimation and evaluation. A diagnostic approach to the evaluation of empirical models is outlined through testing the key assumptions which define the parameter space for purposes of inference. 相似文献
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Gwyn Prins 《Economic Affairs》2006,26(4):12-18
Good governance is a pre-condition for economic development. Good governance, in turn, requires peace. The second Battle of Waterloo, in Sierra Leone, showed what the West can do in this regard. A small military intervention, not hemmed in by the typical restrictions on what 'peacekeepers' can do, made a huge difference to the development prospects of the country. This has important implications for the use of external military forces as part of the overall strategy for poverty reduction in Africa. 相似文献
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This article evaluates an expansion of employer‐mandated sick leave from 80% to 100% of forgone gross wages in Germany. We employ and compare parametric difference‐in‐difference (DID), matching DID and mixed approaches. Overall workplace absences increased by at least 10% or 1 day per worker per year. We show that taking partial compliance into account increases coefficient estimates. Further, heterogeneity in response behavior was of great importance. There is no evidence that the increase in sick leave improved employee health, a finding that supports a shirking explanation. Finally, we provide evidence on potential labor market adjustments to the reform. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
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Russell Lewis 《Economic Affairs》2009,29(2):69-70
Increased commodity prices and improved technology have combined to increase the incentives to exploit natural resources located under the seas. However, an international seabed regime under the auspices of the United Nations presents dangers for free markets, sovereignty and security. Alternative institutional arrangements based on privatisation would produce better outcomes. 相似文献