Xiangzhi Wang

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This paper introduces a wireless medical liquid-level monitoring and controlling system based on RF technology, in which liquid levels beyond limits are monitored by using the principle of different refractive indexes of light rays in air and in liquid and adopting the non-contact photoelectric monitoring method, and 8051 single chip computer were used as(More)
OBJECTIVE To investigate the surgical method and perioperative treatment for senile lumbar disease accompanied by internal disease. METHODS From June 2000 to December 2003, the complete neurological and physical examinations were performed on the patients before operation, as treatment of internal diseases could improve the patients' conditions. Lumbar(More)
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