[Collaborative motion control method for dual-arm surgical robots based on hybrid multi-stage optimization]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiLin B, Li K.
europepmc +1 more source
[Mid-term effectiveness of hip preservation in the reconstruction of ultrashort bone segments in the proximal femur with three-dimensional printed customized cementless intercalary endoprosthesis with an intra-neck curved stem]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2023 Sheng H +12 more
europepmc +1 more source
, 2011 本文对低功率氨电弧加热发动机内的传热与流动过程进行了数值模拟，研究了发动机喷管扩张 段长度变化对发动机工作性能的影响。模拟结果表明：在弧电流为10 A，入口总压为2.5 atm 时，氨 电弧加热发动机喷管扩张段长度变短对上游的流动状态影响较小，但对电弧加热发动机的工作性能有 较大影响；随着喷管长度变短，发动机的推力和比冲随之提高。计算获得的典型工况下发动机出口平 ...
潘文霞 +4 more
core
[Combined assessment of gastric mucosal damage associated with <i>Helicobacter pylori</i> infection in children by virulence factors and pepsinogen]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiHuang CL, Lin Q.
europepmc +1 more source
Lithium battery pack management system
, 2014 本实用新型涉及一种锂电池组管理系统，该系统包括N组锂电池、N个从控制板卡、一个主控制板卡及一个上位机。该系统可实时监测锂电池单体的电压、充放电电流、工作温度及环境温度。根据检测的锂电池电压，及提出的均衡算法，可对状态差异大的电池单体进行均衡控制，提高电池的一致性。主控制板卡根据采集的参数，可给出SOC估算值，并提供充放电管理策略，提高电池的使用寿命。上位机会将采集的锂电池组状态信息、控制信息、异常及报警信息进行显示，提供友好的人机交互。同时，本实用新型对系统的硬件开发提出一种类模块化设计方案 ...
黄剑龙 +8 more
core
[Research on Bacteriophage Resistance: Coevolutionary Arms Race Between Bacteria and Phages Drives Novel Antibacterial Therapies]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanLi R +7 more
europepmc +1 more source
[Progress in antibacterial/osteogenesis dual-functional surface modification strategy of titanium-based implants]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2023 Liu P, Fan B, Zou L, Lü L, Gao Q.
europepmc +1 more source
[Research progress on the role of peripheral nerves in wound healing]. [PDF]
Zhejiang Da Xue Xue Bao Yi Xue BanZhang Z, Ren D, Tang J, Guo S.
europepmc +1 more source
[Recent advances in carbon dots-based chromatographic separation materials]. [PDF]
Se Pu, 2023 Chen J, Qiu HD.
europepmc +1 more source
, 2009 电弧加热发动机是通过阴极和阳极之间直流放电产生的电弧加热推进剂,产生的高温部分电离气体经喷管加速产生推力。国外早在上个世纪50年代就对电弧加热发动机开始研究,经过几十年努力,先后攻克了电极烧蚀、电弧稳定等一系列难题,终于研制成功千瓦量级的用于同步卫星位置保持和姿态调整的推进系统 ...
潘文霞, 陈熙, 贾少霞, 王海兴
core