一、“主语+谓语+宾语+宾补+ to do ”结构　　宾语与不定式存在逻辑上的动宾关系，而句子的主语可能是不定式的逻辑主语，也可能不是......

Regenerate utilization of worn cement concrete is the key technical problem to be solved in traffic field while the ceme......

Quinoline derivatives were efficiently prepared through acid-catalyzed Friedlander reaction in ionic liquid ([bmim][BF4]......

This paper reports a new mute for the preparation of layered alpha-zirconium phosphate (α-ZrP)-supported metalloporphyr......

Distributed research & academic gigabits open network lab(DRAGON-lab) is the only test-bed for research purpose related ......

Objective To prepare an active anti-tumor component,compound K(C-K),from saponins in leaves of Panax notoginseng(SLPN) u......