Results 1 to 10 of about 4,439,439 (300)

Experimental Investigation and Modelling of Asphaltene Precipitation during Gas Injection [PDF]

Journal of Chemical and Petroleum Engineering, 2020
Due to the limited crude oil resources, the role of enhanced oil recovery (EOR) techniques in the production of the oil that has not been extracted during the primary and secondary oil production techniques is crucial.
Neda Hajizadeh, Gholamreza Moradi, Siavash Ashoori   +2 more
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Construction of 3D solid vertebral models using convolutional neural networks [PDF]

Известия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2021
The quality of solving the problem of biomechanical modeling largely depends on the created solid-state model of the biological object under study. Building a model based on computed tomography data for a particular patient is possible both in manual ...
Beskrovny, Alexander S., Bessonov, Leonid Valentinovich, Ivanov, Dmitriy V., Zolotov, Vladislav S., Sidorenko, Dmitry A., Kirillova, Irina Vasil'evna, Kossovich, Leonid Yurevich   +6 more
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Enhance the Photosynthetic and Color Performances of Multi-Primary White Light-Emitting Diodes for the Indoor Farming

IEEE Photonics Journal, 2022
The GaN-based white light-emitting diodes (LEDs) increase the possibility of realizing an ideal spectrum for the growth of plants. At the same time, high photosynthetic action of white LEDs is very crucial for the plant lighting to increase the crops ...
Mengxiao Zhuo, Qiyao Li, Bingui Lv, Mingkai Huang, Xiaoting Xue, Xiao Zheng, Yi Lin, Bijing Liu, Xinqin Liao, Ziquan Guo, Zhong Chen   +10 more
doaj   +1 more source

Determining Two-Dimensional Phosphor Surface Temperature Distribution of Phosphor-Coated LEDs Based on Hyper-Spectral Imaging

IEEE Journal of the Electron Devices Society, 2021
We present a high-resolution non-contact method for the measurement of two-dimensional (2D) phosphor surface temperature distribution (PSTD) of phosphor-coated light-emitting diodes (pc-LEDs) based on advanced hyper-spectral imaging technology.
Chen Yang, Zhi-Hui Li, Zhen Li, Fang-Yuan Zhu, Hui-Min Chen, Yu-Jia Gong, Xiao-Ya Dong, Zi-Quan Guo, Guo-Long Chen, Li-Hong Zhu, Huan-Ting Chen, Jian Xu, Yuan Shi, Jie Chen, Mei-Bin Yao, Yi-Jun Lu, Zhong Chen   +16 more
doaj   +1 more source

Achievement of Possibly Maximum Photosynthetic Performances for Multi-Primary Laser Lighting for Indoor Farming

IEEE Photonics Journal, 2023
The artificial lighting based on multiple-primary light-emitting diodes (LEDs) or multiple-primary laser diodes (LDs) makes the diversity of colors by freely and simply adjusting the emission spectra of rays from these semiconductor devices.
Bingui Lv, Mingkai Huang, Meixue Chen, Liyue Xu, Lihong Lian, Huanting Chen, Yangyu Yao, Jingxuan Sun, Yixuan Lu, Xinqin Liao, Zhong Chen, Ziquan Guo   +11 more
doaj   +1 more source

Explore Luminance Attenuation and Optical Crosstalk of RGB Mini Light-Emitting Diode via Microscopic Hyperspectral Imaging

IEEE Journal of the Electron Devices Society, 2022
In this article, we experimentally and quantitatively investigate the luminance attenuation for red, green, and blue mini light-emitting diodes (LEDs), and the optical crosstalk in the RGB mini-LED array under different working currents via the ...
Lili Zheng, Ziquan Guo, Yijun Lu, Peixin Zeng, Shouqiang Lai, Guolong Chen, Yulin Gao, Lihong Zhu, Weijie Guo, Yi Lin, Zhong Chen   +10 more
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Asphaltene Deposition Modeling during Natural Depletion and Developing a New Method for Multiphase Flash Calculation [PDF]

Iranian Journal of Oil & Gas Science and Technology, 2016
The specific objective of this paper is to develop a fully implicit compositional simulator for modeling asphaltene deposition during natural depletion.
Gholamreza Fallahnejad, Riyaz Kharrat
doaj   +1 more source

Municipal solid wastes quantification and model forecasting [PDF]

Global Journal of Environmental Science and Management, 2023
BACKGROUND AND OBJECTIVES: The amount of solid waste produced and its impact on communities and the environment are becoming a global concern. This study aims to assess the amount, composition, and prediction models of solid waste generation in the study
Y. Teshome, N. Habtu, M. Molla, M. Ulsido   +3 more
doaj   +1 more source

Extracting Clinically Relevant Data from Biomechanical Modeling of Surgical Treatment Options for Spinal Injury in Damaged Vertebrae Th10, Th11 [PDF]

Известия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2019
Two three-dimensional geometric solid-state models of the Th7-L1 spinal segment (Model 1, Model 2) with metal construction were built. Models include the vertebrae Th7, Th8, Th9, Th10, Th11, Th12, L1, intervertebral discs, facet joints and ligaments, and
Donnik, Anna M., Ivanov, Dmitriy V., Kireev, Sergey I., Kossovich, Leonid Yurevich, Ostrovsky, Nikolay V., Norkin, Igor A., Levchenko, Kristina K., Likhachev, Sergey V.   +7 more
doaj   +1 more source

Modification of rack-and-pinion transmission design with increased resource

Diagnostyka, 2022
In this paper, the mechanism of a slotting spindle head for the implementation of rectilinear motion based on a rack and pinion is considered. A three-dimensional modeling procedure of the slotting head elements for a multioperational machine tool of the
Oleg Krol, Volodymyr Sokolov, Aleksander Golubenko   +2 more
doaj   +1 more source