Search Results - "Wu, Qingwen"

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  1. 1

    Determination of quality markers for quality control of Zanthoxylum nitidum using ultra-performance liquid chromatography coupled with near infrared spectroscopy by Wang, Xinhong, Wu, Qingwen, Li, Lulu, Wang, Peng, Wang, Yue, Wei, Weifeng, Ma, Xiaojun, Shu, Jing, Zhang, Kai, Ma, Dongming

    Published in PloS one (24-06-2022)
    “…With the increasing demand for quality control in the traditional Chinese medicine industry, there is a need for the development of quality markers and a…”
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    Journal Article
  2. 2

    In Situ Star Formation in Accretion Disks and Explanation of Correlation between the Black Hole Mass and Metallicity in Active Galactic Nuclei by Fan, Xiao, Wu, Qingwen

    Published in The Astrophysical journal (01-02-2023)
    “…Abstract Recent observations show that the metallicity Z BLR of the broad-line region (BLR) in active galactic nuclei (AGNs) is solar to supersolar, which is…”
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  3. 3

    Constraint on the black hole spin of M87 from the accretion-jet model by Feng, Jianchao, Wu, Qingwen

    “…Abstract The millimetre bump, as found in high-resolution multiwaveband observations of M87 by Prieto et al., most possibly comes from the synchrotron emission…”
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  4. 4

    An Explanation for the Overrepresentation of Tidal Disruption Events in Post-starburst Galaxies by Wang, Mengye, Ma, Yiqiu, Wu, Qingwen, Jiang, Ning

    Published in The Astrophysical journal (01-01-2024)
    “…Abstract Tidal disruption events (TDEs) provide a valuable probe for studying the dynamics of stars in the nuclear environments of galaxies. Recent…”
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  5. 5

    Machine Learning–based Search of High-redshift Quasars by Ye, Guangping, Zhang, Huanian, Wu, Qingwen

    “…Abstract We present a machine learning search for high-redshift (5.0 < z < 6.5) quasars using the combined photometric data from the Dark Energy Spectroscopic…”
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  6. 6

    Biologically Inspired Complete Coverage Path Planning Algorithm Based on Q-Learning by Tan, Xiangquan, Han, Linhui, Gong, Hao, Wu, Qingwen

    Published in Sensors (Basel, Switzerland) (11-05-2023)
    “…Complete coverage path planning requires that the mobile robot traverse all reachable positions in the environmental map. Aiming at the problems of local…”
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  7. 7

    Adaptive Fuzzy Integral Sliding Mode Cooperative Control Based on Time-Delay Estimation for Free-Floating Close-Chain Manipulators by Li, Zhongcan, Zhou, Yufei, Zhu, Mingchao, Wu, Qingwen

    Published in Sensors (Basel, Switzerland) (07-06-2024)
    “…Space manipulators are expected to perform more challenging missions in on-orbit service (OOS) systems, but there are some unique characteristics that are not…”
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  8. 8

    Steep Balmer Decrement in Weak AGNs May Not Be Caused by Dust Extinction: Clues from Low-luminosity AGNs and Changing-look AGNs by Wu, Jiancheng, Wu, Qingwen, Xue, Hanrui, Lei, Weihua, Lyu, Bing

    Published in The Astrophysical journal (01-06-2023)
    “…Abstract The hydrogen Balmer decrement (e.g., H α /H β ) is widely adopted as an indicator of the internal reddening of active galactic nuclei (AGNs). This is…”
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  9. 9

    The black hole mass, Eddington ratio and MBH–σ[O iii] relation in young radio galaxies by Wu, Qingwen

    “…The masses of the central supermassive black holes (BHs) and the Eddington ratios for a sample of 65 young radio galaxies [27 gigahertz-peaked spectrum (GPS)…”
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  10. 10

    Exploring the Properties of Photosphere and Emission Lines for Tidal Disruption Events Based on the Global Solution of Slim Disk and Winds by Zhang, Yuehua, Wu, Qingwen, Wu, Jiancheng, Cao, Xinwu, Lei, Weihua

    Published in The Astrophysical journal (01-06-2024)
    “…The theoretical debris supply rate from a tidal disruption of stars can exceed about 100 times of Eddington accretion rate for a 106−7M⊙ supermassive black…”
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  11. 11

    The X-Ray Spectral Evolution in X-Ray Binaries and Its Application to Constrain the Black Hole Mass of Ultraluminous X-Ray Sources by Wu, Qingwen, Gu, Minfeng

    Published in The Astrophysical journal (20-07-2008)
    “…We investigate the relationship between the hard X-ray photon index Gamma and the Eddington ratio [[image] ] in six X-ray binaries (XRBs) with well-…”
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  12. 12

    The Interaction between Stars and Past AGN Disk: Possible Explanation for the Kinematic Distributions of S-stars in the Galactic Center by Fan, Xiao, Wu, Qingwen, Wu, Jiancheng, Lei, Xiangli, Wang, Mengye, Li, Fulin

    Published in The Astrophysical journal (01-05-2024)
    “…Abstract The presence of young stars, aged around several million years and situated within the range of ∼0.04–1 pc from our Galactic center raises a question…”
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  13. 13

    LORENTZ-FACTOR-ISOTROPIC-LUMINOSITY/ENERGY CORRELATIONS OF GAMMA-RAY BURSTS AND THEIR INTERPRETATION by JING LÜ, ZOU, Yuan-Chuan, LEI, Wei-Hua, BING ZHANG, QINGWEN WU, WANG, Ding-Xiong, LIANG, En-Wei, LÜ, Hou-Jun

    Published in The Astrophysical journal (20-05-2012)
    “…The bulk Lorentz factor of the gamma-ray burst (GRB) ejecta ([Gamma] sub(0)) is a key parameter to understanding GRB physics. Liang et al. have discovered a…”
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  14. 14

    The Possible Submillimeter Bump and Accretion-jet in the Central Supermassive Black Hole of NGC 4993 by Wu, Qingwen, Feng, Jianchao, Fan, Xuliang

    Published in The Astrophysical journal (01-03-2018)
    “…NGC 4993, as a host galaxy of the electromagnetic counterpart of the first gravitational-wave detection of a binary neutron-star merger, was observed by many…”
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  15. 15

    Revisit the Fundamental Plane of black hole activity from sub-Eddington to quiescent state by Dong, Ai-Jun, Wu, Qingwen

    “…It is very controversial whether radio–X-ray correlation as defined in low-hard state of X-ray binaries (XRBs) can extend to quiescent state (e.g. X-ray…”
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  16. 16

    The Physical Properties of Changing-look Blazars by Kang, Shi-Ju, Lyu, Bing, Wu, Qingwen, Zheng, Yong-Gang, Fan, Junhui

    Published in The Astrophysical journal (01-02-2024)
    “…Abstract Changing-look active galactic nuclei (AGNs) are a special class of AGNs that change their spectral type from type 1 to type 2 or vice versa. In recent…”
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  17. 17

    Interval Type-2 Fuzzy PID Controller Using Disassembled Gradational Optimization by Chu, Yongzhi, Han, Hasiaoqier, Ma, Tianjiao, Zhu, Mingchao, Li, Zhongcan, Xu, Zhenbang, Wu, Qingwen

    Published in Sensors (Basel, Switzerland) (01-11-2023)
    “…This paper presents an interval type-2 fuzzy proportional–integral–derivative (IT2F-PID) controller that is designed using a new disassembled gradational…”
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  18. 18

    AN ACCRETION-JET MODEL FOR M87: INTERPRETING THE SPECTRAL ENERGY DISTRIBUTION AND FARADAY ROTATION MEASURE by Feng, Jianchao, Wu, Qingwen, Lu, Ru-Sen

    Published in The Astrophysical journal (10-10-2016)
    “…ABSTRACT M87 is arguably the best supermassive black hole (BH) to explore jet and/or accretion physics, due to its proximity and fruitful high-resolution…”
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  19. 19

    On the origin of the soft photons of the high-synchrotron-peaked blazar PKS 1424+240 by Kang, Shi-Ju, Zheng, Yong-Gang, Wu, Qingwen, Chen, Liang

    “…PKS 1424+240 is a distant very-high-energy gamma-ray BL Lac object with redshift z = 0.601. It has been found that models utilizing pure synchrotron…”
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  20. 20

    The Weakness of Soft X-Ray Intensity: Possible Physical Reason for Weak-line Quasars by Wu, Jiancheng, Wu, Qingwen, Jin, Chichuan, Wu, Jianfeng, Lei, Weihua, Cao, Xinwu, Fan, Xiao, Lei, Xiangli, Wang, Mengye, Xue, Hanrui, Lyu, Bing

    Published in The Astrophysical journal (01-04-2024)
    “…Abstract Weak-line quasars (WLQs) are a notable group of active galactic nuclei (AGNs) that show unusually weak UV lines even though their optical-UV continuum…”
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