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863 results on '"Feng Yuqing"'

1. Research on Solar Heating and Anti freezing Technology for Water Supply Facilities in Severe Cold Regions

Author

Niu Junkui, Cao Liang, Wang Bingbing, Chen Long, and Feng Yuqing

Subjects
Environmental sciences, GE1-350
Abstract

This study focuses on the serious winter freezing damage, inconvenient management of coal-fired heating, and high energy consumption and cost of electric heating and antifreeze measures in rural pastoral areas in northern China's severely cold regions. Taking into account the abundant resource advantages of northern light resources, a solar heating and antifreeze system for water supply facilities was designed. During the day, the collector absorbs sunlight and converts it into heat energy. The water in the heat storage tank is circulated through the collector to heat and store energy; When the temperature of the well room is low, heat is released to stabilize the temperature of the well at around 8 °C, achieving solar heating and anti freezing. Through experimental verification, the temperature of solar powered hot water can reach 67.9 °C, and the temperature of the well room can be maintained between 6.1 °C and 10.5 °C. The heating and anti freezing effect of the system is stable, and the solar heating guarantee rate is nearly 75%. The energy-saving effect is significant, greatly reducing the anti freezing operation cost of water supply facilities. At the same time, the system can operate with full process automation and remote monitoring, effectively improving the antifreeze guarantee rate and management efficiency.

Published
2024
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2. Research on Folding Method of High Storage Ratio Parabolic Cylindrical Antenna Based on Six-Fold Origami Structures

Author

Feng, Yuqing, Zhu, Jialong, Ma, Xiaofei, Liu, Rongqiang, Hu, Fei, Wang, Huan, Goos, Gerhard, Series Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Lan, Xuguang, editor, Mei, Xuesong, editor, Jiang, Caigui, editor, Zhao, Fei, editor, and Tian, Zhiqiang, editor

Published
2025
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5. FAM72A degrades UNG2 through the GID/CTLH complex to promote mutagenic repair during antibody maturation

Author

Barbulescu, Philip, Chana, Chetan K., Wong, Matthew K., Ben Makhlouf, Ines, Bruce, Jeffrey P., Feng, Yuqing, Keszei, Alexander F. A., Wong, Cassandra, Mohamad-Ramshan, Rukshana, McGary, Laura C., Kashem, Mohammad A., Ceccarelli, Derek F., Orlicky, Stephen, Fang, Yifei, Kuang, Huihui, Mazhab-Jafari, Mohammad, Pezo, Rossanna C., Bhagwat, Ashok S., Pugh, Trevor J., Gingras, Anne-Claude, Sicheri, Frank, and Martin, Alberto

Published
2024
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8. Prediction of Mass Flow Rate in Supersonic Natural Gas Processing

Author

Wen Chuang, Cao Xuewen, Yang Yan, and Feng Yuqing

Subjects
Chemical technology, TP1-1185, Energy industries. Energy policy. Fuel trade, HD9502-9502.5
Abstract

The mass flow rate of natural gas through the supersonic separator was numerically calculated by various cubic equations of state. The numerical results show that the compressibility factor and specific heat ratio for ideal gas law diverge remarkably from real gas models at a high inlet pressure. Simultaneously, the deviation of mass flow calculated by the ideal and real gas models reaches over 10 %. The difference increases with the lower of the inlet temperature regardless of the inlet pressure. A higher back pressure results in an earlier location of the shock wave. The pressure ratio of 0.72 is the first threshold to get the separator work normally. The second threshold is 0.95, in which case the whole flow is subsonic and cannot reach the choked state. The shock position moves upstream with the real gas model compared to the ideal gas law in the cyclonic separation section.

Published
2015
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10. Energy Efficiency Maximization for RIS-Aided Multi-user MISO Systems in Integrated Power Communication Networks

Author

Feng, Yuqing, Chen, Yalin, Ji, Yutong, Zhu, Cong, Tian, Yu, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Zhang, Junjie James, Series Editor, Tan, Kay Chen, Series Editor, Zhang, Yonghong, editor, Qi, Lianyong, editor, Liu, Qi, editor, Yin, Guangqiang, editor, and Liu, Xiaodong, editor

Published
2024
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40. Characterization of an A3G-VifHIV-1-CRL5-CBFβ Structure Using a Cross-linking Mass Spectrometry Pipeline for Integrative Modeling of Host-Pathogen Complexes.

Author

Kaake, Robyn M, Echeverria, Ignacia, Kim, Seung Joong, Von Dollen, John, Chesarino, Nicholas M, Feng, Yuqing, Yu, Clinton, Ta, Hai, Chelico, Linda, Huang, Lan, Gross, John, Sali, Andrej, and Krogan, Nevan J

Subjects
architectures of host–pathogen complexes, cross-linking mass spectrometry, integrative structure modeling, Genetics, 2.1 Biological and endogenous factors, Generic health relevance, Biochemistry & Molecular Biology
Abstract

Structural analysis of host-pathogen protein complexes remains challenging, largely due to their structural heterogeneity. Here, we describe a pipeline for the structural characterization of these complexes using integrative structure modeling based on chemical cross-links and residue-protein contacts inferred from mutagenesis studies. We used this approach on the HIV-1 Vif protein bound to restriction factor APOBEC3G (A3G), the Cullin-5 E3 ring ligase (CRL5), and the cellular transcription factor Core Binding Factor Beta (CBFβ) to determine the structure of the (A3G-Vif-CRL5-CBFβ) complex. Using the MS-cleavable DSSO cross-linker to obtain a set of 132 cross-links within this reconstituted complex along with the atomic structures of the subunits and mutagenesis data, we computed an integrative structure model of the heptameric A3G-Vif-CRL5-CBFβ complex. The structure, which was validated using a series of tests, reveals that A3G is bound to Vif mostly through its N-terminal domain. Moreover, the model ensemble quantifies the dynamic heterogeneity of the A3G C-terminal domain and Cul5 positions. Finally, the model was used to rationalize previous structural, mutagenesis and functional data not used for modeling, including information related to the A3G-bound and unbound structures as well as mapping functional mutations to the A3G-Vif interface. The experimental and computational approach described here is generally applicable to other challenging host-pathogen protein complexes.

Published
2021

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