Yuanyuan Zhang

ORCID: 0009-0000-2320-0169
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Research Areas
  • Nanoplatforms for cancer theranostics
  • Gait Recognition and Analysis
  • Context-Aware Activity Recognition Systems
  • Microwave Engineering and Waveguides
  • Human Mobility and Location-Based Analysis
  • Gyrotron and Vacuum Electronics Research
  • Extracellular vesicles in disease
  • Lower Extremity Biomechanics and Pathologies
  • Automated Road and Building Extraction
  • Video Surveillance and Tracking Methods
  • Advanced Antenna and Metasurface Technologies
  • Knee injuries and reconstruction techniques
  • Antenna Design and Analysis
  • Traffic Prediction and Management Techniques
  • Shoulder Injury and Treatment
  • Advanced Nanomaterials in Catalysis
  • Nanoparticle-Based Drug Delivery
  • Maternal and fetal healthcare
  • Luminescence and Fluorescent Materials
  • Geographic Information Systems Studies
  • Advancements in Battery Materials
  • Aluminum Alloy Microstructure Properties
  • Ultrasound in Clinical Applications
  • Human Pose and Action Recognition
  • Geophysical Methods and Applications

Xi'an Jiaotong University
2024-2025

Hainan University
2025

Duke University
2003-2024

University of Electronic Science and Technology of China
2003-2023

Baidu (China)
2023

First Affiliated Hospital of Xi'an Jiaotong University
2023

Beijing Institute of Technology
2021

Mianyang Central Hospital
2020-2021

University of Science and Technology Beijing
2010

University of Edinburgh
2004

Abstract The application of a multimodal combination therapy based on targeted nanodelivery system has been demonstrated to be more valuable in the treatment cancer. In this work, hollow polydopamine delivery (CCC@HP@M) was designed achieve sonodynamic and calcium‐overload combined for colon CCC@HP@M exhibits both homologous tumour‐targeting ability pH‐responsive drug release properties, enabling simultaneous CaO 2 nanoparticles/sonosensitizer Ce6/autophagy inhibitor CQ. nanoparticles as...

10.1002/smtd.202402091 article EN Small Methods 2025-01-26

A wideband planar balun is proposed using microstrip to coplanar waveguide (CPW) and stripline (CPS) transitions. This structure shows broadband characteristics does not rely on resonant circuits. Moreover, it require tight coupling sections can be easily fabricated a printed circuit board substrate. Out-of-phase characteristic between two output ports inherently achieved by field transformations through physical transitions of CPS The return loss, isolation, amplitude imbalance, phase...

10.1049/el.2010.1791 article EN Electronics Letters 2010-11-24

An inorganic/polymer double-layer film of the LiPON/PEO composite electrolyte has good compatibility with LiCoO 2 cathode, even at a cut-off voltage 4.5 V.

10.1039/d3nj01954c article EN New Journal of Chemistry 2023-01-01

Over the past decade, geospatial data has witnessed significant expansion, coupled with swift technological advancements.However, its adoption in various industries been partially constrained by absence of an efficient system that can keep pace these advancements.Among potential solutions, Lakehouse approach emerges as most promising.However, existing systems lack integrated support for data.To address this gap, we present GeoLake, industry's first universal solution tailored to...

10.1109/access.2023.3343953 article EN cc-by-nc-nd IEEE Access 2023-01-01

The Sussex-Huawei Locomotion-Transportation (SHL) recognition challenge collects sensor data for activity recognition, garnering significant interest among researchers. Our team, named "Juliet", extracts features from multi-source data. It is worth noting that we incorporate OpenStreetMap (OSM) as supplementary information, which significantly improves the prediction performance. We employ an ensemble model combines both machine learning and deep techniques. For learning, utilize XGBoost,...

10.1145/3594739.3610746 article EN 2023-10-07

Participants of the fifth edition SHL recognition challenge 2023 aim to recognize eight locomotion or transportation modes in a user-independent manner based on motion and GPS sensor data. The "Fighting_zsn" team proposes an ensemble machine learning model road network which is experimentally shown significantly improve performance. First, both time-domain frequency-domain features are extracted from provided data, public spatial-domain information incorporated get features. Besides,...

10.1145/3594739.3610750 article EN 2023-10-07

This paper presents our solution to the SHL recognition challenge 2023 which focuses on recognizing 8 transportation modes in a user-independent manner based motion and GPS sensor data. Our team ZZL propose an ensemble framework fine multi-window feature engineering overfitting prevention. Firstly, we extracted large diverse set of features process, including incorporating OpenStreetMap data better leverage location data, introducing multiple time windows extract long, medium, short term...

10.1145/3594739.3610756 article EN 2023-10-07

The Suessex-Huawei Locomotion-Transportation (SHL) Recognition Challenge presents a large real-world dataset derived from multimodal smartphone sensors, with the aim of accurately distinguishing between eight different states locomotion and transportation. Based on end-to-end principle, our team (Yummy MacMuffin) proposed AttenDenseNet, which integrates channel spatial attention as well convolutional layers for feature extraction implements DenseNet classification model. In experiments, we...

10.1145/3594739.3610757 article EN 2023-10-07

The goal of Sussex-Huawei Locomotion-Transportation (SHL) recognition challenge in 2023 is to recognize 8 modes locomotion and transportation (activities) a user-independent manner based on motion GPS sensor data. main challenges this competition are diversity, timestamp asynchrony, the unknown positions sensors test set. We, team "WinGPT", construct special features like velocity from raw dataset, extract various both time domain frequency domain. Additionally, article calculates distance...

10.1145/3594739.3610754 article EN 2023-10-07

Detection and remediation of unexploded ordnance (UXO) represents a major challenge on closed, closing, transferred military ranges as well active installations. The detection problem is exacerbated by the fact that sites contaminated with UXO, extensive surface sub-surface clutter shrapnel also present. Traditional methods used for UXO have difficulty distinguishing buried from these anthropic items naturally occurring magnetic geologic noise, thus incur prohibitively high false alarm...

10.1109/igarss.2002.1026180 article EN 2003-06-25

The vane-loaded helical slow-wave structure is widely used in high power, broadband travelling wave tubes (TWTs). Taking the radial thickness of helix into account, finite size vane model suggested for structures (SWS). expressions dispersion equations, interaction impedance and attenuation constant this are derived. Two tube (TWT) calculated by derived equations. results compared with measurement infinite number vanes (INV) that also considered helix. influence on characteristics analysed...

10.1049/ip-map:20040165 article EN IEE Proceedings - Microwaves Antennas and Propagation 2004-01-01

This paper aims to address the Sussex-Huawei Locomotion - Transportation (SHL) recognition challenge organized at HASCA Workshop of UbiComp 2023. The focuses on achieving user-independent eight different modes activities using motion and GPS sensor data[3, 9]. Our team, named DataScience SHL Team, proposes a pipeline, which involves extracting features including time domain, position, road map, differential features, utilizing OpenStreetMap platform as additional resource. We carefully...

10.1145/3594739.3610755 article EN 2023-10-07

In this paper, a series of hot compression tests were carried out under different deformation parameters, covering the temperature range 1000ºC to 1170ºC, strain rate 0.01s -1 1s and reduction 30%, 50%, 70%.After that, all specimens heat treated standard treatment schedule GH720Li investigate its characteristics, especially grain growth behaviors.The further OM SEM observations adopted interaction mechanism primary γ′ distribution for alloy.The results show that alloy, when deformed below...

10.7449/2010/superalloys_2010_767_779 article EN 2010-01-01

Previous research has highlighted the potential utility in analysing temporal frequency signatures. This paper introduces an improved algorithm capable of accurately encoding fundamental such signatures form a robust pulse train, while consuming minimal power and area. The approach makes use focal-plane computation techniques to produce compact pixel-processor, 60 /spl mu/m by when implemented 0.6 process, with fill factor 14.1%. adopted analogue circuit are biased subthreshold region...

10.1109/iscas.2004.1329163 article EN 2004-09-28

Background: Treat-to-Target (T2T) strategy are critical for the treatment of RA, but Chinese rheumatologists can hardly provide patients with a complete assessment in clinic due to limited time. According DAS28 scores, disease activity cohort was divided into four groups: remission (Rem), low (LDA), moderate (MDA) and high (HDA) activity. T2T, achieving score lower than 2.6 (Rem) or below 3.2 is main management recommended by ACR EULAR. Objectives: To evaluate patterns T2T related...

10.1136/annrheumdis-2020-eular.3038 article EN Annals of the Rheumatic Diseases 2020-06-01

Considering azimuthal space harmonics, the finite size vane model (FSV) is suggested for vane-loaded helical slow-wave structures (SWS) in this paper. Two of TWT are calculated by derived dispersion equations and expression interaction impedance. The calculating results compared with measurement infinite number vanes (INV).

10.1109/icmmt.2002.1187816 article EN 2003-10-01
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