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Wireless sensor networks are becoming more and more popular; however, with the advent of smart dust the security for wireless sensor networks is still a trouble. Resolving security for wireless sensor networks, an important problem is key distribution. In this paper, we show how the key distribution problem can be dealt with in environment and we make full use of asymmetric cryptographic technique...
The cross sections of a piece of lamella revealed that it consists of three layers: hair layer, trama and hymenium. Gloestereum incarnatum are heterothallic. Most of the basidiospores are uninucleate. Primary mycelia are also uninucleate, and cannot develop fruiting body. Clamp connections form only when two compatible monokaryotic hyphae fuse. G. incarnatum has typical meiosis and no postmeiosis...
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