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木材的化学应力松弛 被引量:5
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作者 唐晓淑 赵广杰 《北京林业大学学报》 EI CAS CSCD 北大核心 2002年第1期92-96,共5页
该文归纳、分析了木材化学应力松弛的测定基础、实验装置及研究现状 .提出了应用Tobolsky等人的不连续应力松弛测定法 ,是解明密化木材永久固定机理的最有效途径之一 .应用Tobolsky不连续应力松弛测定法 ,不仅可以直接将“分子链切断反... 该文归纳、分析了木材化学应力松弛的测定基础、实验装置及研究现状 .提出了应用Tobolsky等人的不连续应力松弛测定法 ,是解明密化木材永久固定机理的最有效途径之一 .应用Tobolsky不连续应力松弛测定法 ,不仅可以直接将“分子链切断反应”和“架桥结合反应”进行分离 ,同时还可对架桥结合反应进行定量研究 ,可以从根本上弄清楚木材压缩变形固定的热处理过程中的两种不同观点 。 展开更多
关键词 木材 学应力松弛 Tobolsky不连续应力松弛测定法 实验装置 压缩密化技术
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Internet-Oriented Optimization Schemes for Joint Compression and Encryption
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作者 WANG Yilei CHANG Xiaotao +2 位作者 Amit Golander Hubertus Franke CHEN Beijing 《China Communications》 SCIE CSCD 2015年第10期158-168,共11页
Compression and encryption are widely used in network traffic in order to improve efficiency and security of some systems.We propose a scheme to concatenate both functions and run them in a paralle pipelined fashion,d... Compression and encryption are widely used in network traffic in order to improve efficiency and security of some systems.We propose a scheme to concatenate both functions and run them in a paralle pipelined fashion,demonstrating both a hardware and a software implementation.With minor modifications to the hardware accelerators,latency can be reduced to half.Furthermore,we also propose a seminal and more efficient scheme,where we integrate the technology of encryption into the compression algorithm.Our new integrated optimization scheme reaches an increase of 1.6X by using parallel software scheme However,the security level of our new scheme is not desirable compare with previous ones.Fortunately,we prove that this does not affect the application of our schemes. 展开更多
关键词 compression and encryption 3DES Lempel-Ziv algorithm.
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