Objective To analyze the causes of facial palsies after ablating parotid glands.摘要目的分析126例腮腺切除后产生面瘫的原因.High intensity focused ultrasound technique has high precision ablating tissues, and has much choice in transducers.高...
约翰·巴丁也是超导电性理论的创立者之一。John Bardeen was also co-developer of the theory of superconductivity.12月23日, 布拉顿 和巴丁发明点式电视晶体管.Invention of the point contact transistor by Brattain and Bardeen. ( December 23 ).发明者包括约翰.巴丁, 沃尔特.布拉顿和威廉...