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[Clinical outcomes of 3D-printing stand-alone artificial vertebral body in anterior cervical surgeries]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Hu P, Li Y, Liu X, Tang Y, Li Z, Liu Z.
europepmc   +1 more source

Protective effect of carvacrol hydrogel on the alveolar bone in rats with periodontitis. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Zhou L, Teng N, Gao T, Wang H, Gao X.
europepmc   +1 more source
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基于时差法的物联网超声波测风系统

社会发展与科技创新
本研究设计并实现了一种高精度、无机械磨损的超声波风速风向测量系统,针对传统机械式风速风向仪存在的启动风速高、易受恶劣天气影响及存在机械磨损等问题,提出了基于时差法(ToF)的固态测量解决方案。在硬件设计方面,系统采用主从双机协同架构,主控芯片选用具备强大浮点运算与高速ADC采集能力的STM32L476RGT6,负责超声波信号的收发与数字信号处理(DSP);通信网关搭载ESP32-C3 SuperMini芯片,专门负责物联网数据传输。在核心算法上,系统创新性地结合了自适应波形匹配(MSE算法 ...
峣和 李   +3 more
semanticscholar   +1 more source

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