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......

Environmentally smart nitrogen(ESN)is polymer coated urea that is designed to release N in synchrony with crop requireme......

A three node C~0 continuous isoparametric beam element is formulated to model the curved pipe conveying fluid in three d......

汽车手机是个不错的概念，丰田汽车宣布与KDDI将从2006年10月下旬开始以au品牌销售强化了与汽车连动功能的手机“TiMO”（机型名称：“W4......