[Thoughts and Prospects on Precision Control and Intelligent Positioning Robotic Systems Applied in Nasojejunal Feeding Tube Placement]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanQiu Y +9 more
europepmc +1 more source
[Analysis of phthalate esters and their novel alternatives in indoor dust using comprehensive two-dimensional gas chromatography-time of flight mass spectrometry]. [PDF]
Se PuWang LX +9 more
europepmc +1 more source
, 1992 自治式无缆水下机器人能很好地抑制各自由度运动的耦合效应和等效于各自由度的力扰动,有效地克服附连水惯量的不利影响,充分改善系统的动态性能。笔者提出了自治式无缆水下机器人加速度控制．通过合理的加速度计布置方案抵消载体转动及柯氏力的影响,利用垂直陀螺精确补偿重力影响．进而构成相应的加速度及速度控制回路．仿真结果表明,引入加速度反馈大大改善了其速度回路的动态响应 ...
赖立明
core
Dianci bileiqi, 1992 采用60m长的138kV电力电缆产生的几十万伏、2万安以上的电流、波头时间约50ns的脉冲。被试品为9kV金属氧化物及碳化硅避雷器。避雷器的电压响应包括陡的过冲电压在20kA下达80kV,然后回降至残压水平。过冲系由避雷器回路内的感抗所致。ZnO 及SiC避雷器二者相近似。而残压则ZnO低,即表示其保护性能较好。用一根铝管取代避雷器接入测试回路,其感性响应过冲即消除,这可证明避雷器的响应是很快的 ...
doaj
[Preliminary application of domestic single-port serpentine arm robotic surgical system in children's pyeloplasty]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanLi Z +6 more
europepmc +1 more source
[Perioperative coagulation management during left ventricular assist device implantation surgery for end-stage heart failure: four cases and literature review]. [PDF]
Zhonghua Xue Ye Xue Za ZhiWang HX, Wang HW.
europepmc +1 more source
Research on dynamics of micro optic fiber cable of underwater vehicles
, 2004 讨论了水下机器人远程通信光纤微缆的动力学问题,研究分析了在海洋层流条件下水下机器人的运动对光纤微缆张力的影响 ...
燕奎臣, 徐红丽
core
[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
[Effectiveness of proximal femoral nail anti-rotation combined with minimally invasive percutaneous plate osteosynthesis versus Intertan intramedullary nail fixation in treatment of intertrochanteric fracture with incomplete lateral wall]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2020 Chen Z +7 more
europepmc +1 more source
本实用新型公开了一种光缆连接保护装置，该光缆连接保护装置包括：保护套管(10)，用于保护光缆连接部位；以及对称安装在所述保护套管(10)两端部的第一酒杯环(20)和第二酒杯环(30)，用于连接保护套管和被连接的光缆。利用本实用新型，由于采用高强度金属材料制作保护套管，并连接光缆的受力部件，从而提高了光缆连接的强度。本实用新型通过现有的酒杯环配件及普通压线钳，实现方便 ...
刘育梁, 张文涛, 李 芳
core