Results 81 to 90 of about 422 (134)

基于可调谐激光技术的C₄F₇N气体中微水含量检测装置的研制

Gaoya dianqi
C4F7N气体是一种代替SF6的新型电气设备环保绝缘气体。C4F7N气体作为绝缘气体在高压设备中使用时，与SF6设备具有类似的问题，气体的质量影响着设备的正常运行。尤其当C4F7N气体中水分含量超标时，极易引起设备放电降低设备绝缘性能等问题的出现。因此研发针对使用C4F7N气体的运维检测设备就显得尤为重要。文中主要研究可调谐激光红外吸收光谱法对C4F7N中微水含量的定量检测技术。研究了可调谐激光的光谱理论、谐波检测原理和水分的红外吸收特性，介绍了在C4F7N为背景气体的情况下对微水检测精度的影响 ...
张星宇, 王延伟, 安义岩, 刘海波, 刘晓波   +4 more
doaj  

[Researches and clinical translation of smart dressings]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Lyu GZ, Zhao P.
europepmc   +1 more source

[Current methods of acoustic analysis of voice: a review]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2022
Liu S, Shao J.
europepmc   +1 more source

[A portable steady-state visual evoked potential brain-computer interface system for smart healthcare]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhu Y, Ji Z, Li S, Wang H, Fu Y, Wang H.
europepmc   +1 more source

[A non-contact continuous blood pressure measurement method based on video stream]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2023
Yan H, Li X, Zhu T, Chen X, Gong N, Zhou Q.   +5 more
europepmc   +1 more source

[Study on the separation method of lung ventilation and lung perfusion signals in electrical impedance tomography based on rime algorithm optimized variational mode decomposition]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Gao G, Li K, Li J, Zhu M, Wang Y, Yan X, Shi X.   +6 more
europepmc   +1 more source

[Quantitative analysis of the effect of contact pressure on the reflection characteristics of radial pressure wave]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2022
Tan J, Xu L, Sun H, Xu B, Li Y, Yao Y.
europepmc   +1 more source

[Performance evaluation of a wearable steady-state visual evoked potential based brain-computer interface in real-life scenario]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Li X, Cao X, Wang J, Zhu W, Huang Y, Wan F, Hu Y.   +6 more
europepmc   +1 more source

[Development and electrophysiological validation of a temporal interference transcranial magnetic stimulation system for mice]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Cui C, Wang T, Zhang Y, Zheng W, Xu G.
europepmc   +1 more source

[Simultaneous detection of 34 pesticide and metabolite residues in vegetables and fruits using improved QuEChERS-gas chromatography-tandem mass spectrometry with carboxylated multi-walled carbon nanotubes]. [PDF]

Se Pu
Zhang XZ, Wang XM, Chen J, Zhang Z, Ding H, DU XZ, Lu XQ.   +6 more
europepmc   +1 more source