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Some theoretical issues and implementation details about the algorithm are discussed, including the solution of the pricing subproblem, the quality of LP relaxations, the branching scheme as well as the column management.
      
Trust management was discussed according to the security requirements in distributed environment.
      
An integrated user access control method was proposed to address the issues of security and management in networked manufacturing systems (NMS).
      
The results show that the integrated user access control method can reduce the costs of system security maintenance and management.
      
The simulation support platform architecture consists of the management layer, the resource layer, the communication layer, the application layer and the infrastructure layer.
      
The key challenge of dynamic peer communication is how to realize secure and efficient group key management.
      
This analytical approach applies H∞ optimization and internal model control (IMC) theory to design active queue management (AQM) routers that support transmission control protocol (TCP) flows.
      
Effects of Different Management Regimes for Cutover Areas on Soil Carbon Storage in Chinese Fir Plantations
      
Based on the result and extensive risk communications, combined with the management experience of the Beijing Forest Protection Station, the authors proposed some effective control measures to prevent the invasion of the three pests into Beijing.
      
Employing Arc/Info GIS, the tree species diversity and rarity, disturbance degree, protection of channel system, and classification management in the Maoershan National Forest Park were described, and used as the input factors of NN.
      
NFPPG took both the classification management and the protection of forest community types into account, as well as the ecological environment.
      
This method is good for the reasonable management and biological control of the forests.
      
Based on strengthening cultivation and management, integrated control measures were put forward including physical, biologic and chemical methods.
      
Given these facts, some management measures for conservation and restoration of the riparian forests are proposed, including the establishment of riparian forest buffer belt, bank stabilization measures, and maintenance of flood protection.
      
Accurate identification of varieties (clones) and knowledge of their genetic relationships are essential for poplar breeding and variety management.
      
Risk management: A probe and study on forest fires
      
The subject of risk management is attracting more and more attention around the world.
      
Treating forest fire disasters as a risk management issue promotes important measures and methods for fire fighters to prevent, reduce and control the risks of forest fires.
      
In this paper, the risk concept and risk connotation as well as the management risks for forest fire suppression are discussed clearly.
      
Therefore, it is very necessary to improve forest productivity, resource use efficiency and management of forest ecosystems scientifically.
      
 

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