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In order to improve the efficiency of express logistics enterprises, a mail automatic identification system with low power consumption is designed based on radio frequency identification technology. Considering the characteristics of express logistics enterprises, an improved anti-collision algorithm on the basis of binary search tree is introduced. The algorithm can modify the search prefix by a...
Because the Cluster Supply Chain have complex structure and many members, it is reasonably practicable to ensure its efficient and stable operation preconditions to establish information-sharing model. In this paper, we use the way of information flow to research the sharing information model in the custom cluster supply chain, then we conclude that the core of the sharing information are the set...
This paper designs a set of enterprise credit rating index system,in addition to traditional financial ratios, it joined the non-financial factors. then used the logical regression approach to create company's credit rating model, the result shows that the overall discrimination rate reached 95%, the models predict results accurately.
The consumption of final energy and consumptions of different varieties of energy in Beijing from 1990 to 2006 are presented using data from the China Energy Statistical Yearbook 2007 and Beijing Statistical Yearbook 2007. Energy-CO2 emission in Beijing was calculated by sector and fuel type using the Intergovernmental Panel on Climate Change reference approach and statistical data, and the relationship...
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