Results 111 to 120 of about 103,294 (151)

[A signal sensing system for monitoring the movement of human respiratory muscle based on the thin-film varistor]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Yuan Y, Zhang Z, Xie L, Huang H, Liu W.
europepmc   +1 more source

[Silybin inhibits fibrosis after glaucoma filtration surgery in rabbits by promoting fibroblast autophagy]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Zhang Y, Shen Y, Tong X, Duan Y, Luo Y, Guo W.   +5 more
europepmc   +1 more source

[Comparison of the efficacy of trabeculectomy combined with Schlemm canal incision versus trabeculectomy alone in the treatment of primary open angle glaucoma]. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
He Y, Feng L, Wang C, Zhang W, Zhang C, Zhu W, He M, Ye F, Song W.   +8 more
europepmc   +1 more source

[Case-based teaching with both positive and negative examples in undergraduate analytical chemistry laboratory： determination of six nitrogen-containing pesticides in environmental samples by solid-phase microextraction-high performance liquid chromatography]. [PDF]

Se Pu
Zhang J, Zhang XZ, Zhang Z, Liu JW, Wang XM.   +4 more
europepmc   +1 more source

基于谐振原理工作的MEMS滤波器模块

一种基于谐振原理工作的MEMS滤波器模块，包括：一差分信号产生电路；一MEMS滤波器芯片的第一输入端a与差分信号产生电路的输出端连接；一电压转换电路的输出端与该MEMS滤波器芯片的第二输入端b连接；一互阻放大电路的输入端与MEMS滤波器芯片的输出端b连接；一频率漂移检测电路的输入端与互阻放大电路的输出端连接；一频率稳定电路的输入端与频率漂移检测电路的输出端连接，该频率稳定电路输出端与MEMS滤波器芯片的第三输入端c连接，当互阻放大电路的输出信号的频率发生漂移时，提供相应的直流电压信号给滤波器芯片 ...
杨富华, 宁瑾, 韩国威, 李永梅
core  

[Determination of 51 per- and polyfluoroalkyl substances in raw water and drinking water by online solid-phase extraction coupled with ultra performance liquid chromatography- tandem mass spectrometry]. [PDF]

Se Pu
Chen YY, Lyu J, Ye BX, Zhang L, Wang YY, Jin N.   +5 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

[Rapid determination of lubabegron residues in animal-derived foods by ultra performance liquid chromatography- tandem mass spectrometry]. [PDF]

Se Pu
Yang C, Zhu WX, Liu YF, Zhang HW, Wei W, Hu K.   +5 more
europepmc   +1 more source

[Rapid determination of 12 photoinitiator residues in medicinal composite membranes by ultra performance convergence chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Cao YJ, Liu CX, Chen LL, Shang Y, Chen XL, Hu B, Fu M, Hu M.   +7 more
europepmc   +1 more source

[Determination of 26 herbicide residues in soil， sediment， and surface water samples using modified QuEChERS method combined with ultra-high performance liquid chromatography-tandem mass spectrometry]. [PDF]

Se Pu
Zhao L, Ma L, Huang LQ, Chen JB, Zhu WF.
europepmc   +1 more source