Results 111 to 120 of about 332 (148)

[Preparation of polycaprolactone-polyethylene glycol-concentrated growth factor composite scaffolds and the effects on the biological properties of human periodontal ligament stem cells]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Gao L, Zhao M, Yang S, Wang R, Cheng J, Chen G.   +5 more
europepmc   +1 more source

[Preparation and application of conductive fiber coated with liquid metal]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu C, Tang J, Li M, Zhang S, Zou Y, Lyu Y.   +5 more
europepmc   +1 more source

大功率四象限直流脉冲开关电源

本实用新型涉及一种新型控制原理的大功率四象限直流脉冲开关电源，可以以直流、脉冲两种方式运行。以电流为横坐标轴，电压为纵坐标轴，电源可以在四个象限运行。该开关电源包括低压变压器、高压变压器、低压整流桥、高压整流桥、斩波电路及负载；其中斩波电路由ＩＧＢＴ模块组成。本实用新型基于脉宽调制工作方式，继承了开关电源输出电压纹波小，反应速度快调节灵敏度高的优点，同时有其自身的优点：主回路结构清晰、控制方式简单、输出功率大、电流输出稳定度高、工作可靠性高 ...
武荣、燕宏斌、高大庆
core  

[Biomaterials of different sizes for enhanced adoptive cell transfer therapy in solid tumors]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Chen J, Liu R, Tang Y, Qian C.
europepmc   +1 more source

[Exosome separation and analysis based on microfluidics technology and its clinical applications]. [PDF]

Se Pu
Xing YH, Ren XS, Li DH, Liu L.
europepmc   +1 more source

大功率二象限运行脉冲开关电源

本实用新型涉及一种大功率二象限运行脉冲开关电源，该电源是由斩波式非隔离脉冲开关电源电路组成，该电路包括三相整流桥和电流传感器ＤＣＣＴ、大功率开关管ＩＧＢＴ等；该电路的输入信号经三相整流桥整流后与电感Ｌ↓［１］和储能电容Ｃ↓［５］及逆变桥并联；逆变桥的输出端接有电流传感器ＤＣＣＴ和负载电阻电阻Ｒ↓［Ｄ］、电感Ｌ↓［Ｄ］；电流传感器ＤＣＣＴ的信号与基准电流信号一起经两级运放ＩＣ↓［１］、ＩＣ↓［２］后与大功率开关管ＩＧＢＴ相连，大功率开关管ＩＧＢＴ与逆变桥中的三极管Ｖ↓［１］、Ｖ↓［４］的基极相连 ...
高大庆、魏殿忠、武荣、陈又新
core  

[Expert Consensus on the Clinical Practice of Child Life Services]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Nursing Group Of Chinese Pediatric Society Chinese Medical Association, Nursing Branch China Maternal And Child Health A.   +1 more
europepmc   +1 more source

[Microfluidic photo-curing fabrication of silk fibroin/hyaluronic acid composite microsphere hydrogels]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Wang R, Chen Y, Wu C, Li S, Liu Z, Chen F.   +5 more
europepmc   +1 more source

[Expert consensus on the diagnosis and treatment of common neonatal diseases in primary healthcare institutions: neonatal hypoglycemia (2025)]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Subspecialty Group of Neonatology, Society of Pediatrics, Chinese Medical Association, Editorial Board of Chinese Journal of Contemporary Pediatrics.   +3 more
europepmc   +1 more source

[Research progress on point-of-care testing of blood biochemical indexes based on microfluidic technology]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhang H, Hu C, Qi P, Yu Z, Chen W, Tong J.   +5 more
europepmc   +1 more source