Weinan Liu

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With the rapid development of modern avionics system, traditional MIL-STD-1553 bus cannot meet the requirements of high-speed communication. In this paper, a method of improving the transmission rate of the avionics bus is purposed by implementing a Discrete Multitone (DMT) interface over existing MIL-STD-1553 bus. Physical layer and analog front end (AFE)(More)
OBJECTIVE To construct recombinant lentiviral vectors of porcine bone morphogenetic protein 2 (BMP-2) gene and to detect BMP-2 gene activity and bone marrow mesenchymal stem cells (BMSCs) osteogenetic differentiation so as to lay a foundation of the further study of osteochondral tissue engineering. METHODS BMSCs were isolated from bone marrow of(More)
PURPOSE To analyze the sensitivity and specificity of X-ray, B-ultrasound, and CT scan in diagnosing ocular foreign bodies, and to compare the accuracy of these three imaging tools in locating these foreign bodies. METHODS A retrospective review was conducted of radiographic and clinical eye examination data from 62 patients (66 eyes), suspected of having(More)
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