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SIGMAPLUG—A NEW TEMPERATURE INDICATOR FOR REMAINING LIFE ASSESSMENT OF HIGH TEMPERATURE COMPONENTS 被引量:2
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作者 J.K.L. Lai, C.H. Shek and K.W. Wong Department of Physics and Materials Science, City University of Hong Kong, 27887808, China 《Acta Metallurgica Sinica(English Letters)》 SCIE EI CAS CSCD 1999年第1期104-107,共4页
Improved life assessment techniques will enable engineering components to be replaced before failure, thereby reducing the risk of industrial accidents as well as minimizing financial loss due to unscheduled outages. ... Improved life assessment techniques will enable engineering components to be replaced before failure, thereby reducing the risk of industrial accidents as well as minimizing financial loss due to unscheduled outages. For components operating at high temperatures, temperature measurement is very important. In many situations, the environmental conditions are too hostile for conventional techniques to be used. Researchers over the world have been looking for new techniques for temperature measurement and one such device, called Feroplug, has been developed previously by the and coworkers. The Feroplug has been patented in USA, UK and Europe by the British Technology Group. The underlying principle of the Feroplug is based on the transformation of ferrite in some specially designed duplex stainless steels. This paper describes a new invention called Sigmaplug which is a new development of the Feroplug but using an entirely different physical principle. It was discovered that the sigma phase in Fe 展开更多
关键词 ferrite sigma phase duplex stainless steel temperature indicator remaining life assessment roplug materials undergoes a ferromagnetic transition at low temperatures and this property can be used to indicate temperature. The new Sigmaplug can great
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A Study on the Allocation of New Construction Land Use Indicators in Huai'an City
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作者 Haiyan YANG Yuwei HUANG 《Asian Agricultural Research》 2017年第2期35-38,共4页
This paper makes a comprehensive analysis on the characteristics and influencing factors of regional allocation of new construction land use indicators,and determines the primary indicators from social,economic,extern... This paper makes a comprehensive analysis on the characteristics and influencing factors of regional allocation of new construction land use indicators,and determines the primary indicators from social,economic,external and internal factors.Using Delphi method and correlation analysis,this paper selects indicators and establishes evaluation indicator system.Using entropy method and AHP,this paper determines the weight of indicators,rationally allocates new construction land,and uses the actual data in Huai'an City for case studies,so as to provide a reference for land use planning.In addition,this paper makes a comparative analysis on the land use internal factors as important factors,in order to make the weight assigning more in line with the actual situation of construction land in Huai'an. 展开更多
关键词 new construction land use indicators ALLOCATION Land use internal factors Comparative analysis
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Some New Results on Indices of Singular Points of a Polynomial Vector Field
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《Acta Mathematica Sinica,English Series》 SCIE CSCD 1994年第4期388-395,共8页
Several new results on the indices of singular points in a polynomial vector field are proved in this paper(see Theorems 1-5).
关键词 In Some new Results on Indices of Singular Points of a Polynomial Vector Field
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