A Ni-RE-P-AL catalyst prepared by alkaline extraction of a rapidly quenched Ni-RE-P-AL alloy was characterized by means of ICP,BET,XRD,ZPS and TEM.The results s
An O(n2) time approximation algorithm for the minimum rectilinear Steiner tree is proposed. The approximation ratio of the algorithm is strictly less than 1.5.
The eigenvalue problem for a thin linearly elastic shell, of thickness 2e, clamped along its lateral surface is considered. Under the geometric assumption on th
The reaction of NdCl3 with 2 equiv. of Na-ButC5H4 in THF(tetrahydrofuran) gives blue crystals [(ButC5H4)2NdCl]2, C36H52Cl2Nd2 (Mr = 844.11 ), which crystallizes