Results 121 to 130 of about 912,994 (157)

[Determination of perfluorinated compounds， antibiotics and pesticides in drinking water by automated solid phase extraction with ultra-performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Liang J, Feng J, Zeng D, Zhou L, Zhong X, Li Y, Chen D.   +6 more
europepmc   +1 more source

一种用于通信的LED恒流源驱动电路

本发明公开了一种用于通信的LED恒流源驱动电路，该电路包括信号输入电路(1)、电压偏置电路(2)和恒流放大电路(3)，其中信号输入电路(1)和电压偏置电路(2)的输出端共同连接于恒流放大电路(3)的输入端，信号输入电路(1)的输出信号与电压偏置电路(2)的偏置电压叠加之后进入恒流放大电路(3)。本发明提供的这种用于通信的LED恒流源驱动电路，其输出频率最高可达10MHz，工作在非全开全关模式，信号稳定，精度高 ...
施安存, 王锐, 段靖远, 郑国, 金钰   +4 more
core  

[Guidelines for the diagnosis and management of first relapsed multiple myeloma in China (2026)]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Plasma Cell Disease Group, Chinese Society of Hematology, Chinese Medical Association, Chinese Myeloma Committee-Chinese Hematology Association.   +3 more
europepmc   +1 more source

[Determination of eight ultraviolet absorbers in surface water and wastewater by ultra performance liquid chromatography-triple quadrupole mass spectrometry]. [PDF]

Se Pu
Sun HJ, Zhang BB, Huang MQ, Wang H, Hu GJ, Chen HM.   +5 more
europepmc   +1 more source

[1,3-dicaffeoylquinic acid mitigates dextran sulfate sodium-induced colitis in mice by alleviating oxidative stress <i>via</i> inhibiting the PI3K/Akt pathway]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Yin L, Zhang Y, Zhang K, Qiao T, Zhang L, Huang J, Li J, Hu J, Geng Z.   +8 more
europepmc   +1 more source

[Dual-wavelength photoacoustic microscopy for evaluation of microcirculatory dysfunction and spatial heterogeneity in mice with liver fibrosis]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Xia Q, Qiu Y, Li H, Nie L.
europepmc   +1 more source

[Determination of 16 organic ultraviolet absorbers in drinking water by solid phase extraction-ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Wang Z, Zhao C, Ye BX, Chen YY.
europepmc   +1 more source

[Research progress on the pathogenesis and clinical treatment of cirrhotic cardiomyopathy]. [PDF]

Zhonghua Gan Zang Bing Za Zhi
Wang KY, Liu L.
europepmc   +1 more source

[Impact of surgeon's dominant hand-side consistency with surgical approach on operational efficiency of unilateral biportal endoscopic lumbar discectomy: a prospective cohort study]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Li W, Gao M, Zhang L, Yu Q, Chen X.
europepmc   +1 more source

[A time-frequency transform and Riemannian manifold-based domain adaptation method for motor imagery in brain source space]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Qi Q, Li M.
europepmc   +1 more source