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There is the theology of the plywood formaldehyde-emission which is similar to the solid and the liquid. The mature theory of rheological is applied to study on the mechanism of the plywood formaldehyde-emission in this paper, and the loose models of the plywood formaldehyde emission are created. The formularies FM = F0e-0.1429t and P = P0/k(1-e-0.1429t) can be received and used to describe the influence...
Phyllostachys heterocycla is mainly used for pulping. But water and other chemical aids are severely wasted because the content of extractives is high. What's worse, water pollution from the extractives is very serious in South China. Therefore, the acetone extractives of Phyllostachys heterocycla chips were identified by Py-GC/MS. The acetone extractives contains 80 compounds namely lupan-3-one (8...
Bacterial Colony Chemotaxis (BCC), which has good performance of global convergence and better convergence speed, is one of the new heuristic algorithms based on colony intelligence. In this paper, it is applied to the problem of guillotine rectangle cutting. The proposed algorithm not only automatically finds the best sequence of the rectangle pieces by BCC algorithm but also implements the exact...
The increasing demand for paper in Asia is being met by the use of Eucalyptus urophylla to a large extent. However, some pulp mills may be forcedly closed because the Eucalyptus urophylla chips contain extractives severely enough to pollute the water. In this paper, the chemical components in the benzene/ethanol extractives of Eucalyptus urophylla chips were isolated and identified by Py-GC/MS to...
This paper studies the system stability of a model-based networked control system in the cases where packet losses follow a certain distributions. In this study, the unreliable nature of network links is modelled as a stochastic process. This process provides us two system structures, representing packets dropped and received respectively. This new system with two structures is asymptotically stable,...
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