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发动机系统可靠性分析与评估 被引量:2
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作者 徐桂红 李小金 +1 位作者 刘兴华 安金兵 《车用发动机》 北大核心 2007年第1期23-26,共4页
针对发动机试验昂贵以及试验条件无法真实再现发动机使用环境的情况,提出利用“三包”信息作为评估发动机使用可靠性的数据源。以发动机完整数据服从的NHPP模型为基础,结合“三包”信息普遍存在的删失现象,提出新模型;该模型既适用于完... 针对发动机试验昂贵以及试验条件无法真实再现发动机使用环境的情况,提出利用“三包”信息作为评估发动机使用可靠性的数据源。以发动机完整数据服从的NHPP模型为基础,结合“三包”信息普遍存在的删失现象,提出新模型;该模型既适用于完整数据,也适用于删失数据。实例证明,利用该模型计算的参数与实际统计结果的误差小于2%,最后评估得到发动机的可靠性水平。 展开更多
关键词 质保信息 NHPP模型 删失 误差分析 可靠性分析 可靠性评估
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QUALITY ASSURANCE INFORMATION SYSTEM FOR AGILE MANUFACTURING
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作者 孙蓓蓓 钟秉林 +2 位作者 崔敏 黄仁 A kif A.Bulgak 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI 2000年第1期71-77,共7页
The customer driven dynamic global market and geographical distribution of collaborating partners bring new challenges to the development of quality assurance information system (QAIS) for agile manufacturing. With re... The customer driven dynamic global market and geographical distribution of collaborating partners bring new challenges to the development of quality assurance information system (QAIS) for agile manufacturing. With recent dramatic advances in information technology, firstly the requirements of QAIS are examined in agile manufacturing environment, then a new implementation framework of a distributed QAIS is presented, where a deve loping environment of QAIS is established and some critical techniques are studied. Finally a prototype system based on world wide web (WWW) is accomplished. 展开更多
关键词 QUALITY quality control information system quality assurance agile manufacturing INTERNET INTRANET
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Investor Protection, Deviation of Local Accounting Standards From IFRS, and the Effectiveness of the IFRS Adoption 被引量:1
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作者 Kanogporn Narktabtee Suntaree Patpanichchot 《Journal of Modern Accounting and Auditing》 2011年第12期1329-1343,共15页
The objective of this study is to examine the effect of accounting standards and investor protection on value relevance of earnings and book value of equity among European Union countries during the years 1999-2007. T... The objective of this study is to examine the effect of accounting standards and investor protection on value relevance of earnings and book value of equity among European Union countries during the years 1999-2007. The results indicate that the adoption of International Financial Reporting Standards [IFRS] leads to improvement in value relevance, particularly on earnings. We also examine the impact of investor protection and the deviation of local accounting standards from IFRS on the effectiveness of the IFRS adoption. The results show supporting evidence for investor protection but inconclusive evidence for accounting standard deviation. However, additional analysis indicates that the countries which apparently benefit from adopting IFRS are those with high deviation of local accounting standards from IFRS and high investor protection. The findings imply that adopting IFRS alone cannot improve value relevance of accounting information, but standard setters and regulators need to strengthen their investor protection mechanisms in order to improve the quality of accounting information. 展开更多
关键词 investor protection accounting standard IFRS adoption value relevance
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Copyright Protection Mode for Geological Information Sharing under the Environment for Network
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作者 Ruixue Jiang 《International English Education Research》 2015年第11期84-86,共3页
Using copyright rules clear government of geological information property rights is the main path to realization of geological information socially sharing. For China's current laws have an institute basic principle ... Using copyright rules clear government of geological information property rights is the main path to realization of geological information socially sharing. For China's current laws have an institute basic principle of geological information protected by copyright law, we need to detailed thinking the copyright subject, write content, licensing and other aspects, combine the geological information sharing mechanism. 展开更多
关键词 Geological Information Property Right Database Right
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Design and Realization of Baiyangdian Water Environment Information System Based on ArcGIS Engine
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作者 Fan Li Xiaoyan Li +1 位作者 Hao Xu Shuxuan Liang 《Journal of Environmental Science and Engineering(A)》 2013年第1期15-20,共6页
For the need to protect the eco-environment and to strengthen environmental management in Lake Baiyangdian, water environment information aimed to get the water quality information more convenient and more intuitionis... For the need to protect the eco-environment and to strengthen environmental management in Lake Baiyangdian, water environment information aimed to get the water quality information more convenient and more intuitionistic was of significance. Based on massive monitoring data of Lake Baiyangdian and the important advantage of spatial analysis functions of GIS (geographical information system), a system of B-WEIS (Baiyangdian water environment information system) was designed in the work. Component GIS of ArcEngine 9.3 GIS, combined with GIS and component technology, was used to research and develop the proposed system. This system realized different functions of management, data query, statistic analysis and visualization query to the Lake Baiyangdian water monitoring results. It also integrated with professional water quality model to realize evaluation of water quality and calculation of environmental capacity function. The designed system contributed to expand the management on Lake Baiyangdian more professional and available. 展开更多
关键词 ARCENGINE Baiyangdian water environment information GIS
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Protection and utilization of tropical crop germplasm resources
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作者 CHEN Ye-yuan YIN Jun-mei LI Qiong LIU Yong-hua HE Yun 《Journal of Life Sciences》 2008年第1期72-81,共10页
The work of world crop germplasm resources are increasingly emerging the developing trend of globalization in collection scope, systematization in resources management, modernization in existing equipments, standardiz... The work of world crop germplasm resources are increasingly emerging the developing trend of globalization in collection scope, systematization in resources management, modernization in existing equipments, standardization in technical specification and informationization in shared service. This paper gives you an introduction on current situation of distribution of tropical crop germplasm resources, in-situ conservation, collection and preservation, evaluation and appraisal and innovation and utilization in china; analysis on existing key problems in protection and utilization of China's tropical crop germplasm resources; proposal of complementary study and collection and construction of geographical information base; reasonably layout of plantation and upgrade and preservation of equipments; development and research of related technical standards and carry-out of system evaluation and appraisal; improvement of share mechanism and efficiency; innovation and breakthrough in key points; and talents training and maintenance of work continuance, etc. Basing on these, the proposal of protection and utilization of China's tropical crop germplasm resources are further strengthened. 展开更多
关键词 tropical crop germplasm resources protection andutilization existing problems related suggestion
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