[Application progress of customized steel plates in osteotomy and orthopedic treatment of knee osteoarthritis]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiJia J, Ma J, Ma X.
europepmc +1 more source
Gaoya dianqi电磁斥力机构广泛应用为直流断路器的操作机构，在直流开断场景下要求电磁斥力机构的动作时间尽可能的在2 ms时间内分断到满开距，同时保证有较长的使用寿命。针对此问题，文中首先分析了电磁斥力机构的基本原理，然后利用有限元软件搭建了电磁斥力机构的仿真模型，分析了影响电磁斥力机构驱动性能的6个重要参数（线圈匝数、线圈高度、线圈宽度、斥力盘高度、储能电容容量及充电电压）。之后利用BBD试验设计方法输出54组样本，导入BP神经网络预测模型中，结合NSGA-II算法对电磁斥力机构进行了结构优化。仿真结果表明 ...
徐党国 +5 more
doaj
[Research advances in three-dimensional bioprinted wound dressings]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiShi C, Lei C, He L, Liao D.
europepmc +1 more source
Gaoya dianqi以短路故障切除与提高供电可靠性为目标的直流系统控保技术是发展新型电力系统的前期攻关重点之一。基于半导体组件的混合式直流断路器做为核心部件已进入工程示范。为解决断路器的高成本以及试运行中出现的可靠性等问题，文中提出了新的组合式直流断路器系统拓扑，把常规直流分支系统中的断路器代之以机械式开关。可大幅度降低整体成本与故障率。基于换流原理的快速直流断路器分闸速度可满足故障电流的发展，有望直接用于直流系统的控保。尝试用交流配电自动化的SCADA概念重建软件平台，创新直流配电系统拓扑，以更高的可靠性与经济性优势 ...
王永兴 +7 more
doaj
[Development of dynamic multi-time-point clinical prediction models for bronchopulmonary dysplasia in preterm infants with gestational age < 32 weeks]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiLi W +9 more
europepmc +1 more source
[Progress in electric field assisted molecular imprinting technology]. [PDF]
Se PuWu JY, Huang XJ.
europepmc +1 more source
[Current status and future directions of stability reconstruction following spinal tumor resection]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZhou J, Dong J.
europepmc +1 more source
[Analysis of the global competitive landscape in artificial intelligence medical device research]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiChen J +6 more
europepmc +1 more source
[Extracellular matrix materials and tissue regeneration and repair]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZhao L, Xie H.
europepmc +1 more source
[Application of minimally invasive techniques in clinical treatment of tibial plateau fractures]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiWang Z, Zheng Z, Zhang Y.
europepmc +1 more source