For elliptic curves E over the rationals Q, the classification according to their torsion subgroups Etors(Q) of rational......

基于微分几何学，象他们的 invariants 一样的 centrodes 和 axodes 的表情被导出。然后，他们的运动学的意思被揭示。同时，在平面、球......

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Three kinds of platinum electrodes with different geometry were designed. The relation of the electrochemiluminescence (......