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With the improvement of academic status and its growing influence, research team and its system structure is more and more important as a basic research unit of the eco-academic system. The importance of eco-system is first researched, and then the concept of the ecosystem and research team of university are introduced, a stratified analysis for the eco-academic system of university is made, and functioning...
The concentrations of As, Cd, Ni, Cr, Zn, Cu, Hg and Pb in the sediment of Xiyi River were analyzed by flame atomic absorption spectrophotometer (AAS). The results showed the average concentration of total As, Cd, Ni, Cr, Zn, Cu, Hg and Pb in the sediment was higher than the national threshold limit. The values of pollution index and integrated pollution index showed that the pollution level was Cd>;...
39 indigenous plant species in 18 families were collected and investigated in four heavy-metal polluted sites. The tolerance and hyptoextraction characteristics of them to Cd, Pb, Cu, Zn and As were examined. In field survey, Bidens bipinnata, Artemisia dubia, Polygonum lapatuifolium, Chenopodium ambrosioides and Solanum nigrum showed to concentrate remarkable heavy metal in shoots. In the further...
This paper aims to develop a quantitative and objective method to analyze and evaluate risks related to human factors in flight deck system. Firstly a detailed classification and causing analysis on human errors in flight deck was carried out basing on SHEL Model and IEEAM method; then an integrated risk evaluation solution was proposed out by using fuzzy and Delphi method together and the weight...
This paper aimed to research the characteristics of Chinese national culture and find their influences on implementation of HILAS (Human Integration into the Lifecycle of Aviation Systems) systems in China. A culture survey was conducted among several typical Chinese civil aviation enterprises by using Geert Hofstede's culture survey method which was called Values Survey Module, and the survey result...
Because of the bullwhip effect, enterprises in the supply chain are unable to grasp exactly the changing market demands, which may lead to superfluous production capacity and inventory, or shortage, thus finally influencing the efficiency of the whole chain. This article studies on how the supply chain collaboration influences the bullwhip effect, analyzes the main factors and action effects and finally...
This paper proposes a real-time object segmentation method based on SOFM network for MPEG compressed video. First, we introduce the macro-block structure of the MPEG encoded video and the preprocession of motion vectors, then the motion vectors are given as input to the self-organizing feature maps (SOFM) models which can automatically estimate the number of objects of the motion model, and the motion...
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