为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Inexpensive γ-alumina-based nickel-copper bimetallic catalysts were studied for the hydrogenolysis of levulinic acid, a......

乙酰丙酸酯和γ-戊内酯是极具应用前景的生物质基酯类燃料,其掺混的汽柴油具有良好的燃烧和排放性能.纤维素类生物质中的纤维素和......