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With the development of electric technology, uniprocessor is being substituted by CMP (chip multi processors). CMP can run multi-thread program efficiently, many researchers engage in the study of multi-thread, including extracting multi-thread from legacy single thread program and making standardization for future multi-thread program. Data communication among threads is an inevitable problem in...
EUCALYPTUS, an open source cloud-computing framework, is still lack of load balancing. In the paper, we provide a kind of implementation by adaptive live migration of virtual machines. We design and implement a simple model which decreases the migration time of virtual machines by shared storage and fulfills the zero-downtime relocation of virtual machines by transforming them as Red Hat cluster services...
System reliability early warning aims to measure the rate of tolerance deviation from the reliability index borderline of the system running states, to confirm the early warning grade, and to assist decision-making warning. Analyzed and compared the methods of system early warning from home and abroad, and combined Rough Set (RS) theory and Artificial Neuron Network (ANN) technique, a new method based...
A new-style complex absorbent was prepared for simultaneous desulfurization and denitrification in this paper. The performance of the absorbent was tested in fixed bed. On the basis of the experimental results in fixed bed, the M substances were selected as the optimal additive. Furthermore the effects of various factors, such as additive content, flue gas temperature, humidity, Ca/(S+N), and NOx...
The effects of nano-TiO2 dosage, Ca/S and temperature on CaO desulfurization and coal combustion were studied. The products were characterized by SEM and IR analysis. The catalysis mechanisms of nano-TiO2 were discussed. The results show that desulfurization efficiency was 87.7% when nano-TiO2 dosage is 6%, Ca/S 2, temperature 850degC; it was 16.8% higher than that without addition. The ignition temperature,...
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