Hurricanes Katrina and Rita resulted in the largest number of platforms destroyed and damaged in the history of Gulf of ......

The increased production and price of rare earth elements(REEs) are indicative of their importance and of growing global......

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......

目的 探讨胃癌切除术后严重并发症的主要危险因索,建立Logistic判别模型.方法 对2001年6月至2007年6月1728例胃癌切除术后患者的临......

目的 探讨胚胎相关基因HOXA13在食管鳞状上皮癌(鳞癌)中的表达及其与临床病理和预后的关系.方法 为排除肿瘤TNM分期对生存的影响,......

GPS-based attitude system is an important research field, since it is a valuable technique for the attitude determinatio......

The principal component analysis (PCA) algorithm is widely applied in a diverse range of fields for performance assessme......