For the purpose of deterring unauthorized duplication and distribution of multimedia contents in e-commerce, some Buyer-seller watermarking protocols which comb
Orthomorphic permutations have good characteristics in cryptosystems. In this paper, by using of knowledge about relation between orthomorphic permutations and
Grid technique is taken as the third generation intemet technology and resource management is the core of it.Aiming at the problems of resource management of CE
A rectangle capacity patch was adopted as the resonance unit of the Log Periodic Dipole Antenna (LPDA) so as to realize the miniaturization of this aerial in th
It has been found that ferric chloride is superior to H2SO4 when used as catalyst for esterificatiou of isoamyl alcohol with hexauoic acid. The optimum reaction