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Transport phenomenon in porous media is essential in various scientific and engineering fields. The permeability and porosity of porous media serve important functions in transport phenomena. In this study, a complex model that considers the characters of pore microstructure and fluid in porous media is developed for the permeability and porosity of porous media. The flow rate expressions of this...
Modular design is a systematic design method, which needs modeling technology to prepare framework for construction and evolution of product system. In this paper, a multi-view modeling methodology is proposed to prepare such an structure for correlation's evolution of product family based on relationship constraint network. According to evolutionary process of modular design, demands of modeling...
Recently, firms do not only devote resource to the innovation throughout firms, but also focus on in-house. The kind of innovation model ldquodouble trackrdquo-both on independent innovation and cooperative innovation has become the new trend for firm-innovation. Based on transaction cost theory and resource dependence theory, the article constructs a three stage innovation mode selection framework...
Nowadays more and more singers published songs in Internet. The music charts can help people choose the popular songs, and also tell people the popularity of singers and songs. There are kinds of music charts. Each kind of charts has its particular criterion. Traditional commercial charts are mostly decided on the selling of CDs. With the development of Internet, some new music charts are developed...
Nowadays, more and more singers published various songs. There are about 50,000 songs in the Internet. The songs are refreshed everyday, so we need a real-time chart of music. In this paper, our study is based on the real-time search charts of music. We studied the algorithm of the charts and analyzed the ranking of the charts. According to the ranking of the charts, we got some special characters...
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