一、经济发展突飞猛进,成就辉煌。新中国成立 70年来的经济发展成就巨大。在农业领域,就粮食产量一项而言,已经从 1949年的 1.13亿吨上升到 2018年的 6.58亿吨,70年间增加到原来的 5.8倍(这个时期人口增加到原来的 2.6倍、耕地由人均 3亩减少到 1.35...
值此山东省工商联成立70周年之际,各市工商联以“砥砺奋进七十载 携手共进谱新篇”为主题,充分展示在加强思想政治引领、积极参政议政、强化经济社会服务、助力营商环境优化、加强组织建设等方面的生动实践和典型做法。 临沂,这片孕育了伟...
A water-soluble complex of C70 with δ-cyclodextrin (δ-CD) which was isolated and purified from cyclodextrin powder in our laboratory was investigated. The complex was characterized by its UV-VIS spectrum, which had higher aqueous solubility than that of the complex between C70 and γ-cyclodextr...