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Dyeing Performance of Soybean Fiber Treated with Low Temperature Plasma
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作者 王黎明 沈勇 +1 位作者 丁颖 张惠芳 《Journal of Donghua University(English Edition)》 EI CAS 2006年第4期120-122,共3页
The soybean fiber was treated with low temperature plasma and the dyeing performance of the treated soybean fiber was also researched. The results show that the speed of dyeing and the percentages of balance dyeing ha... The soybean fiber was treated with low temperature plasma and the dyeing performance of the treated soybean fiber was also researched. The results show that the speed of dyeing and the percentages of balance dyeing have a sharp increase after being treated. So the dyeing temperature and the dosage of acid can be reduced without damaging the bulk fiber structure. 展开更多
关键词 soybean fiber low temperature PLASMA dyeing per formance.
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A novel wavelength assignment scheme in OBS network for contention avoidance
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作者 单广军 《High Technology Letters》 EI CAS 2009年第3期325-330,共6页
Conventional optical burst switching(OBS)technique adopts purely statistical multiplex mechanismso that the bursts collide with each other very easily.To address this problem,a novel proactive con-tention avoidance sc... Conventional optical burst switching(OBS)technique adopts purely statistical multiplex mechanismso that the bursts collide with each other very easily.To address this problem,a novel proactive con-tention avoidance scheme is proposed,which assigns dedicated wavelengths to each ingress node,then st-numbering algorithm is used to construct the traffic load balanced spanning trees .In this way,contentioncan be eliminated at ingress nodes,and the amount of bursts that could be accommodated by ingressnodes will be maximized.Further,those unused wavelengths left by traffic load balanced spanning treeare also organized as partial trees to carry bursts,thus the link utilization can be improved effectively.Simulation result shows that our scheme can improve the burst loss performance significantly without thewavelength converters or optical buffers comparing to other popular routing and wavelength assignment(RWA)algorithms. 展开更多
关键词 optical burst switching (OBS) contention avoidance link utilization burst loss per- formance routing and wavelength assignment (RWA)
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