[Effectiveness of posterior single-level osteotomy with 360° release and correction in treatment of osteoporotic vertebral compression fractures with moderate to severe kyphosis]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiQing P +5 more
europepmc +1 more source
, 2015 根据光伏电池模型和最大功率跟踪（MPPT）原理,提出了一种基于环境参数的最大功率工作点（MPP）电压模型,改进了固定电压跟踪法。该方法实现简单,可以快速稳定地找到MPP,解决了光伏电池跟踪效率和跟踪控制精度难以兼得的矛盾。实验证明,光伏电池环境参数模型演算合理,改进的固定电压跟踪法能快速准确地跟踪MPP ...
戴志威, 舒杰, 吴昌宏
core
[Tympanic membrane repair using improved endoscopic ear canal flap dissection method]. [PDF]
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za ZhiSun H, Song R, Yu Z.
europepmc +1 more source
, 1981 本文研究了有限长度交流电弧的动力特性,采用二维电弧模型,考虑轴向热传导作用,得到一个非线性能量方程,用变量分离、非线性变换和Laplace变换求得电弧的热流势和电场强度的分析解。指出充满管道的有限长度的交流电弧动力特性仅由两个无量纲参数决定,并且指出热流势和电场强度存在轴向梯度,必须考虑轴向热传导的影响,当电弧的长度趋于无限大时,本解与R•L ...
荣陞
core
[Design and research of a pneumatic soft intestine robot imitating the inchworm]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiHe Y +5 more
europepmc +1 more source
[Comparative study on accuracy of three imaging methods in diagnosis of subacromial impingement syndrome]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZi L +7 more
europepmc +1 more source
, 2017 本实用新型属于无缆潜水器铱星定位技术领域，具体地说是一种流线型可承压100MPa入水断电的铱星耐压装置。包括天线罩、电路仓、电池仓体、电池仓端盖、天线、电路板、电池及压力开关，其中电路仓的一端与密封天线罩连接，另一端与电池仓体密封连接，铱星天线设置于所述天线罩内，电路板设置于电路仓内，所述电池设置于电池仓体内，所述电池仓体通过电池仓端盖密封，天线通过电缆与电路板连接，所述电池的正极和负极分别通过导线与电路板连接，形成供电回路，所述压力开关设置于电池仓端盖的外侧、并且连接在供电回路上 ...
陆洋, 唐元贵, 李硕, 李一平
core
[Clinical research of tumor resection in the anterior space of the styloid process via transoral endoscopic parapterygomandibular ligament internal approach]. [PDF]
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za ZhiDU Y, Li L, Chen X.
europepmc +1 more source
[Strategy of the diagnosis and treatment for epistaxis and guideline for clinical application of MasterPillar]. [PDF]
Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2023 Shi L.
europepmc +1 more source