目的采用Meta分析探讨含糖饮料及人工甜味剂饮料摄入与人群新发心血管疾病的关联。方法以sugar-sweetened beverages、artificiall......

[目的]探讨关节镜下一期重建前、后交叉韧带联合有限切开修复内侧副韧带Ⅲ度损伤恢复膝关节稳定和功能的疗效. [方法] 2008年5月～ 2......

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......

,发生率88.29%(98/111).两组发生率差异无统计学意义(X2=2.25,P>0.05).两组不良反应类型相同,均以麻木和/或搐搦为最常见.所有不良......

A marine propulsion system is a very complicated system composed of many mechanical components. As a result, the vibrati......

This paper describes a channel estimation and equalization algorithm using three-layer artificial neural networks (ANNs)......

花绒寄甲Dastarcus helophoroides是防治多种蛀干害虫天牛的重要天敌,为了解决人工大量繁育花绒寄甲的技术问题,本文选用大麦虫Zop......