发酵前包被微胶囊化培养的屎肠球菌具有耐受性强、效价稳定的优点,但其活菌数检测难度阻碍了其推广使用。本研究以前包被屎肠球菌......

目的提高超声对脐尿管癌的诊治效果。方法对12例患者进行超声检查,并以手术及病理为金标准,使用仪器为SIEMENS Antares超声诊断仪,......

【正】In this paper,a design of ultraphonic tubulous water communication system based on OFDM is introduced. The system ......