NORTHWEST Sichuan, a hotspot for geologic study, recently has yielded a series of large-medi-um scale gold deposits in ......

Rice blast resistance has been unreliable insome cases with the field breakdown of previ-ous resistant cultivars occurri......

Director: Peter Lee Cast: Kelly Lin Sun Honglei My Fair Gentleman tells the story of Zeng Tiangao,a newly rich Chinese b......

对树或图上的连续自映射，本文证明了孤立链回归点是最终周期点，如孤立链回归点不在临界点的轨道中且它的轨道中也不含有临界点，则它还......

讨论具有正负系数的中立型时滞微分方程解的振动性，建立了方程所有解振动的充分条件。...