Qihua Zhang

ORCID: 0000-0002-0707-2299
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About
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Research Areas
  • Rock Mechanics and Modeling
  • Dam Engineering and Safety
  • Groundwater flow and contamination studies
  • Geotechnical Engineering and Analysis
  • Geomechanics and Mining Engineering
  • Landslides and related hazards
  • Remote Sensing and Land Use
  • Hydraulic Fracturing and Reservoir Analysis
  • Tunneling and Rock Mechanics
  • Drilling and Well Engineering
  • Respiratory viral infections research
  • Hepatitis B Virus Studies
  • Grouting, Rheology, and Soil Mechanics
  • Geological Modeling and Analysis
  • Geotechnical Engineering and Underground Structures
  • Viral Infections and Immunology Research
  • Geoscience and Mining Technology
  • Retinal Imaging and Analysis
  • Geological and Geochemical Analysis
  • Hepatitis C virus research
  • Image Processing and 3D Reconstruction
  • Soil, Finite Element Methods
  • Cardiac Imaging and Diagnostics
  • Simulation and Modeling Applications
  • Numerical methods in engineering

Sun Yat-sen University Cancer Center
2022-2024

China University of Geosciences
2019-2024

Peking University First Hospital
2023-2024

Peking University
2023-2024

Beijing Hospital
2023

Tencent (China)
2022

Shandong Transportation Research Institute
2020-2022

Shandong University
2020-2022

Sun Yat-sen University
2022

University of California, Santa Barbara
2022

Recommender System (RS) is an important online application that affects billions of users every day. The mainstream RS ranking framework composed two parts: a Multi-Task Learning model (MTL) predicts various user feedback, i.e., clicks, likes, sharings, and Fusion (MTF) combines the multi-task outputs into one final score with respect to satisfaction. There has not been much research on fusion while it great impact recommendation as last crucial process ranking. To optimize long-term...

10.1145/3534678.3539040 article EN Proceedings of the 28th ACM SIGKDD Conference on Knowledge Discovery and Data Mining 2022-08-12

Background Peritoneal metastasis is the most common pattern of gastric cancer. Patients with cancer peritoneal (GCPM) have a poor prognosis and respond poorly to conventional treatments. Recently, immune checkpoint blockade (ICB) has demonstrated favourable efficacy in treatment GCPM. Stratification best responders elucidation resistance mechanisms ICB therapies are highly important remain major clinical challenges. Design We performed phase II trial involving patients GCPM treated...

10.1136/gutjnl-2024-333617 article EN cc-by-nc Gut 2024-11-12

10.1016/j.compgeo.2014.08.009 article EN Computers and Geotechnics 2014-09-15

10.1016/j.ijrmms.2021.104627 article EN International Journal of Rock Mechanics and Mining Sciences 2021-01-14

Human enterovirus 71 (EV71) is a primary etiological agent of hand, foot, and mouth disease (HFMD). The associated infections have posed serious threat to the public health. In present study, real-time simultaneous amplification testing (SAT) technology was developed for detecting EV71 (SAT-EV71). RNA an internal control (IC) were amplified analyzed simultaneously by isothermal detection fluorescence using routine PCR. Furthermore, this SAT-EV71 method with IC evaluated analyzing 256...

10.1016/j.jviromet.2013.11.003 article EN cc-by-nc-nd Journal of Virological Methods 2013-11-21

10.1016/j.ijrmms.2017.09.005 article EN International Journal of Rock Mechanics and Mining Sciences 2017-09-28

Intrahepatic cholestasis represents a heterogeneous group of disorders that begin during childhood, most commonly manifesting as neonatal cholestasis, and lead to ongoing liver dysfunction in children adults. For children, inherited pathogenic factors have gained increasing attention owing the rapid development molecular biology technology. However, these methods their advantages disadvantages terms simplicity, sensitivity, specificity, time required expense. In present study, an effective,...

10.3892/mmr.2014.2349 article EN cc-by-nc Molecular Medicine Reports 2014-06-20

The bearing mechanism of tunnel-type anchorage (TTA) for suspension bridges is studied. Model tests are conducted using different shapes plug bodies, which circular column shape and truncated cone shape. results show that the body latter possesses much larger capacity, namely 4.48 times at elastic deformation stage 4.54 failure compared to former Numerical simulation then understand mechanical structural responses surrounding rock mass. parameters mass firstly back-analyzed based on...

10.12989/gae.2017.12.1.139 article EN Geomechanics and Engineering 2017-01-25

10.1016/j.cma.2019.112721 article EN Computer Methods in Applied Mechanics and Engineering 2019-11-15

Analyzing rock mass seepage using the discrete fracture network (DFN) flow model poses challenges when dealing with complex networks. This paper presents a novel DFN that incorporates actual connections of large-scale fractures. Notably, this efficiently manages over 20,000 fractures without necessitating adjustments to geometry. All geometric analyses, such as identifying connected fractures, dividing two-dimensional domain into closed loops, triangulating arbitrary and refining triangular...

10.1016/j.jrmge.2024.02.011 article EN cc-by Journal of Rock Mechanics and Geotechnical Engineering 2024-05-06

10.1007/s00603-023-03667-8 article EN Rock Mechanics and Rock Engineering 2023-12-09
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