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1,034 results on '"WU Jiayu"'

63. Economic burden attributable to healthcare-associated infections at western China hospitals: 6 Year, prospective cohort study

Author

Lv, Yu, Huang, Xiaobo, Wu, Jiayu, Xiao, Xueqin, Ma, Chunhua, Jiang, Xiaoyun, Zhou, Ping, Liu, Linlin, Jiang, Yiguo, Zou, Anna, Niu, Hui, Sun, Juhua, Hou, Li, Wang, Xiaomeng, Dai, Yulin, Peng, Shuling, Deng, Xiaorong, Xia, Hong, Guo, Yao, Wang, Defen, Huang, Ting, Li, Chunyu, He, Lirong, Xiong, Fengqing, Xiong, Hongmei, Cao, Hongmei, Lu, Jie, Liu, Xingfeng, Jian, Xiaohong, Luo, Wanzhen, An, Yanmei, Wu, Yumei, Deng, Keqin, Kang, Xiaoli, Chen, Xiaorong, Tang, Beibei, Li, Li, and Xiang, Qian

Published
2024
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71. Inclusive diffractive heavy quarkonium photoproduction including quark subprocesses

Author

Wu, Jiayu, Cai, Yanbing, and Xiang, Wenchang

Subjects
High Energy Physics - Phenomenology
Abstract

The inclusive $J/\Psi$, $\Psi(2S)$ and $\Upsilon(1S)$ direct and resolved photoproduction are investigated by including the quark subprocesses in the framework of non-relativistic quantum chromodynamics (NRQCD). We find that the theoretical total cross section of heavy quarkonium productions are in good agreement with the data available at HERA, once the $\gamma q$, $qg$ and $qq$ subprocesses in the heavy quark pair productions are taken into account. The inclusive diffractive rapidity and transverse momentum distributions of $J/\Psi$, $\Psi(2S)$ and $\Upsilon(1S)$ in $pp$, $pPb$ and $PbPb$ collisions at LHC are also studied by our quark improved NRQCD model combined with the resolved pomeron model. We find that the contributions from the quark involved subprocesses can reach to $8\%$ in the rapidity distribution and $6\%$ in the transverse momentum distribution. The numerical results show that the contributions from quark involved subprocesses are significant in heavy quarkonium photoprodution., Comment: 10 pages, 9 figures

Published
2020
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72. Theory, preparation, properties and catalysis application in 2D Graphynes-Based Materials

Author

Zhang, Ning, Wu, Jiayu, Yu, Taoyuan, Lv, Jiaqi, Liu, He, and Xu, Xiping

Subjects
Condensed Matter - Materials Science
Abstract

Carbon has three hybridization forms of sp-, sp2- and sp3-, and the combination of different forms can obtain different kinds of carbon allotropes, such as diamond, carbon nanotubes, fullerene, graphynes (GYs) and graphdiyne (GDY). Among them, the GDY molecule is a single-layer two-dimensional (2D) planar structure material with highly -conjugation formed by sp- and sp2- hybridization. GDY has a carbon atom ring composed of benzene ring and acetylene, which makes GDY have a uniformly distributed pore structure. In addition, GDY planar material have some slight wrinkles, which makes GDY have better self-stability than other 2D planar materials. The excellent properties of GDY make it attract the attention of researcher. Therefore, GDY is widely used in chemical catalysis, electronics, communications, clean energy and composite materials. This paper summarizes the recent progress of GDY research, including structure, preparation, properties and application of GDY in the field of catalysts.

Published
2020

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