In this paper, the dielectric properties of silicon nitride are studied using the dielectric polarization theories. Acco......

In recent years improper allocation of safety input has prevailed in coal mines in China, which resulted in the frequent......

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 探讨应用长脉冲1 064 nm激光联合高硫型水化硫铝酸钙(AFT)540 nm光子治疗面部毛细血管扩张症,观察治疗效果.方法 采用"飞顿Ⅰ......

目的：观察麝火灸治疗周围性面瘫疗效。方法将100例周围性面瘫患者随机平均分为治疗组和对照组，治疗组采用麝火灸治疗，对照组采用针刺......