User profiles for H. Fan

Hong Jin Fan (范红金)

- Verified email at ntu.edu.sg - Cited by 48928

Haoqi Fan

- Verified email at fb.com - Cited by 22891

Haoqiang Fan

- Verified email at megvii.com - Cited by 6498

Adaptation of SARS-CoV-2 in BALB/c mice for testing vaccine efficacy

H Gu, Q Chen, G Yang, L He, H Fan, YQ Deng, Y Wang… - Science, 2020 - science.org
The ongoing coronavirus disease 2019 (COVID-19) pandemic has prioritized the
development of small-animal models for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-…

Momentum contrast for unsupervised visual representation learning

K He, H Fan, Y Wu, S Xie… - Proceedings of the IEEE …, 2020 - openaccess.thecvf.com
We present Momentum Contrast (MoCo) for unsupervised visual representation learning.
From a perspective on contrastive learning as dictionary look-up, we build a dynamic …

Improved baselines with momentum contrastive learning

X Chen, H Fan, R Girshick, K He - arXiv preprint arXiv:2003.04297, 2020 - arxiv.org
Contrastive unsupervised learning has recently shown encouraging progress, eg, in
Momentum Contrast (MoCo) and SimCLR. In this note, we verify the effectiveness of two of …

Multiscale vision transformers

H Fan, B Xiong, K Mangalam, Y Li… - Proceedings of the …, 2021 - openaccess.thecvf.com
… We set the number of MHPA heads to h = 1 in the scale1 stage and increase the number of
heads with the channel dimension (channels per-head D/h remain consistent at 96). At each …

Slowfast networks for video recognition

C Feichtenhofer, H Fan, J Malik… - Proceedings of the IEEE …, 2019 - openaccess.thecvf.com
We present SlowFast networks for video recognition. Our model involves (i) a Slow pathway,
operating at low frame rate, to capture spatial semantics, and (ii) a Fast pathway, operating …

Direct, nonoxidative conversion of methane to ethylene, aromatics, and hydrogen

X Guo, G Fang, G Li, H Ma, H Fan, L Yu, C Ma, X Wu… - science, 2014 - science.org
… of C 2 H 6 to C 2 H 4 explains the absence of C 2 H 6 among … H 4 , C 6 H 6 , and C 10 H 8
accumulated and were detected. … the yields of C 2 H 4 , C 6 H 6 , and C 10 H 8 from CH 4 were …

Recent advances in Zn‐ion batteries

M Song, H Tan, D Chao, HJ Fan - Advanced Functional …, 2018 - Wiley Online Library
H 2 V 3 O 8 cathode especially after large cycling numbers.64 According to various
measurements, Zn x H … /egress the H 2 V 3 O 8 with the formation of a new Zn 2 V 3 O 7 ·H 2 O …

[HTML][HTML] Cooperation between complexes that regulate chromatin structure and transcription

GJ Narlikar, HY Fan, RE Kingston - Cell, 2002 - cell.com
Chromatin structure creates barriers for each step in eukaryotic transcription. Here we
discuss how the activities of two major classes of chromatin-modifying complexes, ATP-dependent …

Design strategies for high‐energy‐density aqueous zinc batteries

P Ruan, S Liang, B Lu, HJ Fan, J Zhou - Angewandte Chemie, 2022 - Wiley Online Library
… Thanks to these strategies, the capacity, voltage, and energy density of zinc batteries can
now reach up to 2000 mA h g −1 , 2.9 V, and 2372 Wh kg −1 , respectively (based on the mass …

Diabetes is a risk factor for the progression and prognosis of COVID‐19

…, H Wang, Y Shen, K Du, L Zhao, H Fan… - Diabetes/metabolism …, 2020 - Wiley Online Library
Backgound To figure out whether diabetes is a risk factor influencing the progression and
prognosis of 2019 novel coronavirus disease (COVID‐19). Methods A total of 174 consecutive …