Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Hong Yan Zheng"'
Publikováno v:
Micromachines, Vol 13, Iss 3, p 373 (2022)
A chip-based spectral-domain optical coherence tomography (SD-OCT) system consists of a broadband source, interferometer, and spectrometer. The optical power divider flatness in the interferometer’s wavelength is crucial to higher signal-to-noise r
Externí odkaz:
https://doaj.org/article/53592327a19e41f1946d334b0edf329b
Autor:
Yulan Niu, Xu-bin Liang, Yulei Zhu, Lu-qingshan Xiao, Wen-shi Zhao, Yanfeng Xue, Zi-long Zhao, Hong-yan Zheng, Hong Yang
Publikováno v:
Journal of Fuel Chemistry and Technology. 49:1261-1269
Conversion of cellulose and starch to furfural was investigated over four zeolites. The zeolites were characterized by X-ray diffraction, 27Al MAS NMR, IR spectra of pyridine adsorption and NH3 temperature-programmed desorption. The roles of acidity
Publikováno v:
Journal of Fuel Chemistry and Technology. 49:1111-1121
The effects of steaming at varying times and temperatures on ZSM-5 pore structures, framework Al distribution, acid properties and ethanol to propene (ETP) catalytic performance were systematically studied in this study. The results show that the cry
Publikováno v:
2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC).
Publikováno v:
Medicine. 101(26)
Transjugular intrahepatic portosystemic shunt (TIPS) is widely applied to decrease portal hypertension. Because of the lack of strong evidence, it is controversial whether anticoagulation should be performed after TIPS. This meta-analysis aimed to as
Publikováno v:
2021 IEEE Photonics Conference (IPC).
The optical power divider flatness in wavelengths for chip based optical coherence tomography is crucial to higher signal-to-noise ratios. A Mach-Zehnder structure could be utilized to smoothly maximize the splitting ratio of 10:90 on a silicon platf
Publikováno v:
Guoji Yanke Zazhi, Vol 13, Iss 7, Pp 1452-1454 (2013)
AIM: To investigate the influence of protein free calf blood extract eye gel on dry eye after pterygium surgery. METHODS: Thirty six patients(40 eyes)with primary nasal pterygium were enrolled in this study, which were divided into study group and co
Externí odkaz:
https://doaj.org/article/2842ac350dd245a6bc19e65e19ec966b
Publikováno v:
Advances in Manufacturing. 7:438-447
The effect of Ca treatment on the modification of inclusions in Al-killed GCr18Mo bearing steel was studied and a thermodynamic and kinetic model was established. The experimental results showed that oxygen content in the steel could be reduced from
Publikováno v:
PLoS ONE, Vol 9, Iss 2, p e88034 (2014)
The breast cancer stem cells (BCSC) play important roles in breast cancer occurrence, recurrence and metastasis. However, the role of estrogen signaling, a signaling pathway important in development and progression of breast cancer, in regulation of
Externí odkaz:
https://doaj.org/article/aed993025a814e71ae38c7813bbb4a74
Publikováno v:
Defect and Diffusion Forum. 382:73-79
The effect of Mg and Ca treatment on the modification of inclusions in GCr18Mo bearing steel at 1873K was studied by thermodynamic calculations. The stability phase diagrams among Mg, Ca, Al, and O were investigated to understand the fundamentals abo