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Article
Open AccessResearch on heavy oil gas lift assisted with light oil injected from the annulus
An experimental study on the multiphase flow of heavy oil gas lift was conducted on 18.25 m high vertical tube. Based on the experimental results and the wellbore heat transfer mechanism, a coupling model of w...
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Article
Determination of optical properties of oxidative bleaching human dental tissue samples using optical coherence tomography
Oxidative bleaching changes of human teeth induced changes in the optical properties of dental tissue. We introduced 1310 nm wavelengths of optical coherence tomography (OCT) attenuation coefficient method whi...
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Article
The potential optical coherence tomography in tooth bleaching quantitative assessment
In this paper, we report the outcomes from a pilot study on using OCT functional imaging method to evaluate and quantify color alteration in the human teeth in vitro. The image formations of the dental tissues...
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Article
Quantification of color alteration in human teeth with optical coherence tomography
It is necessary to develop a laboratory model to evaluate tooth discoloration, because there are several limitations to assessment methods at present stage. Therefore, in this letter, we report the results fro...
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Article
Heat treatment of human esophageal tissues: Effect on esophageal cancer detection using oxygenated hemoglobin diffuse reflectance ratio
The main objective of the present work is to study the influence of heat treatment on the esophageal cancer detection using the diffuse reflectance (DR) spectral intensity ratio R540/R575 of oxygenated hemoglo...
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Article
In vivo quantification of propylene glycol, glucose and glycerol diffusion in human skin with optical coherence tomography
The purpose of study is to quantify and compare diffusion of propylene glycol, glucose, glycerol in the human skin in vivo noninvasively. Optical coherence tomography (OCT) was utilized in the functional imagi...
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Article
Oxygenated hemoglobin diffuse reflectance ratio for in vitro detection of human gastric pre-cancer
Oxygenated hemoglobin diffuse reflectance (DR) ratio (R540/R575) method based on DR spectral signatures is used for early diagnosis of malignant lesions of human gastric epithelial tissues in vitro. The DR spe...