Results 71 to 80 of about 584 (119)

[Clinical practice guideline for point-of-care ultrasound-guided peripherally inserted central catheter placement in neonates (2026)]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Asia-Pacific Health Association Pediatric Medicine Branch   +3 more
europepmc   +1 more source

[Characteristics of middle ear cholesteatoma with tympanicsclerosis]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Lin X   +5 more
europepmc   +1 more source

低电压穿越场景下的构网型储能变换器功率协同控制策略

open access: yesGaoya dianqi
随着高比例新能源并网,构网型储能变换器在网侧电压故障期间,面临着暂态失稳和过电流的问题,对并网稳定造成严重威胁。针对这一问题该文首先建立不同工况下的暂态模型,分析了暂态功角失稳和过电流的原因。其次,在此基础上提出了面向低电压穿越场景下的有功—无功协同控制策略,通过电压跌落的在线辨识,结合输出侧相量关系,实现了对构网控制策略参考功率的分段自适应控制。最后,通过仿真和实验验证了所提方法对提升暂态稳定性、无功支撑及过电流抑制的有效性。
李建林   +3 more
doaj  

[Influencing factors of cognitive function decline in elderly patients with type 2 diabetes mellitus]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Zeng H   +5 more
europepmc   +1 more source

[Effect of phenytoin and levetiracetam on busulfan blood concentration in children undergoing hematopoietic stem cell transplantation]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Xu SX   +8 more
europepmc   +1 more source

[Clinical Analysis of Supral-abyrinthine Cholesteatoma and Literature Review]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Qian W   +8 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy