document

Modelling the combined impact of sea level rise, land subsidence, and tropical cyclones in compound flooding of coastal cities

Wu, Guofeng (author), Liu, Qing (author), Xu, H. (author), Wang, Jun (author)

Low-lying coastal areas are threatened worldwide by compound flooding effects, including sea-level rise (SLR), frequent tropical cyclones (TCs), and accelerated land subsidence (LS). Compound flooding results in a negative effect, creating challenges for decision-making and coastal management for sustainable urban development. To comprehend...

journal article 2024

document

Integrating the flow regime and water quality effects into a niche-based metacommunity dynamics model for river ecosystems

Wang, Yibo (author), Liu, Pan (author), Solomatine, D.P. (author), Li, Liping (author), Wu, Chen (author), Han, Dongyang (author), Zhang, Xiaojing (author), Yang, Zhikai (author), Yang, Sheng (author)

Aquatic community dynamics are closely dominated by flow regime and water quality conditions, which are increasingly threatened by dam regulation, water diversion, and nutrition pollution. However, further understanding of the ecological impacts of flow regime and water quality conditions on aquatic multi-population dynamics has rarely been...

journal article 2023

document

Sustainable Assessment Tools for Higher Education Institutions: Developing Two-Hierarchy Tools for China

Du, Yawei Du (author), Ye, Qing (author), Liu, Hongjiang (author), Wu, Yuting (author), Wang, F. (author)

Higher Education Institutions (HEIs) play an increasingly significant role in the practice of sustainability. For HEIs in their early stages of sustainability, they are still in need of sustainable assessment tools (SATs) that are suitable for their local context and also lead international sustainable development. The purpose of this paper is...

journal article 2023

document

Nanoprobes for PET/MR Imaging

Liu, Huanhuan (author), Wang, R. (author), Gao, Haiyan (author), Chen, Lijuan (author), Li, Xiaochen (author), Yu, Xuan (author), Wu, Yaping (author), Bai, Yan (author), Wei, W. (author), Wang, Meiyun (author)

The development of clinical imaging techniques significantly improves diagnostic accuracy and provides guidance for personalized treatment of individuals. However, every single imaging modality has its distinct drawbacks that cannot fully fulfil the diagnosis requirement. Thus, rational combination of different imaging modalities can achieve...

review 2023

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The Multimodal Information Based Speech Processing (Misp) 2022 Challenge: Audio-Visual Diarization And Recognition

Wang, Zhe (author), Wu, Shilong (author), Chen, Hang (author), He, Mao-Kui (author), Du, Jun (author), Lee, Chin-Hui (author), Chen, Jingdong (author), Watanabe, Shinji (author), Siniscalchi, Sabato Marco (author), Scharenborg, O.E. (author), Liu, Diyuan (author)

The Multi-modal Information based Speech Processing (MISP) challenge aims to extend the application of signal processing technology in specific scenarios by promoting the research into wake-up words, speaker diarization, speech recognition, and other technologies. The MISP2022 challenge has two tracks: 1) audio-visual speaker diarization (AVSD),...

conference paper 2023

document

Extrinsic self-healing asphalt materials: A mini review

Wan, Pei (author), Wu, Shaopeng (author), Liu, Quantao (author), Wang, Huan (author), Gong, Xing (author), Zhao, Zenggang (author), Xu, S. (author), Jiang, Jian (author), Fan, Lulu (author), Tu, Liangliang (author)

Self-healing is a biological phenomenon in which living organism responds to the suffered damage in a complex way. Inspired by the self-healing phenomenon in nature, various biomimetic healing methods rooted in intrinsic or extrinsic healing mechanisms have been explored. Research on novel self-healing asphalt materials with intelligent...

review 2023

document

A Temperature-Independent Methodology for Polymer Bitumen Modification Evaluation Based on DSR Measurement

Wu, Jiantao (author), Wang, Haoan (author), Liu, Quan (author), Gao, Y. (author), Liu, Shengjie (author)

Owing to the continuous increase of traffic loads, bitumen modification has been manifested as an efficient methodology to enhance asphaltic pavement performance. Currently, the modification index, defined as the ratio of mechanical properties (e.g., complex modulus) before and after bitumen modification, is extensively adopted to evaluate the...

journal article 2022

document

Ship docking and undocking control with adaptive-mutation beetle swarm prediction algorithm

Wang, Le (author), Li, Shijie (author), Liu, Jialun (author), Wu, Qing (author), Negenborn, R.R. (author)

Autonomous docking and undocking control is an important part of intelligent ship motion control. In this study, the adaptive-mutation beetle swarm prediction (AMBS-P) algorithm is used to propose a control approach for autonomous docking and undocking. Firstly, this paper introduces the principle of the AMBS-P algorithm, then the convergence...

journal article 2022

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A multi-axis robot-based bioprinting system supporting natural cell function preservation and cardiac tissue fabrication

Zhang, Z. (author), Wu, Chenming (author), Dai, C. (author), Shi, Qingqing (author), Fang, G. (author), Xie, Dongfang (author), Zhao, Xiangjie (author), Liu, Yong Jin (author), Wang, C.C. (author), Wang, Xiu Jie (author)

Despite the recent advances in artificial tissue and organ engineering, how to generate large size viable and functional complex organs still remains as a grand challenge for regenerative medicine. Three-dimensional bioprinting has demonstrated its advantages as one of the major methods in fabricating simple tissues, yet it still faces...

journal article 2022

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Response of hydrogeological processes in a regional groundwater system to environmental changes: A modeling study of Yinchuan Basin, China

Li, J. (author), Zhou, Yangxiao (author), Wang, Wenke (author), Liu, S. (author), Li, Ying (author), Wu, Ping (author)

The sustainable development of groundwater resources in arid and semi-arid regions is a challenging task hindered by climate change and human activities. The rational utilization and management of groundwater resources is, therefore, dependent on an understanding of the influences of human and climatic factors on the spatial distribution of...

journal article 2022

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Tuning electron transfer by crystal facet engineering of BiVO₄ for boosting visible-light driven photocatalytic reduction of bromate

Liu, Guoshuai (author), Zhu, Yukun (author), Yan, Qun (author), Wang, Han (author), Wu, Peng (author), Shen, Yaoliang (author), Doekhi-Bennani, Y. (author)

Removal of bromate (BrO₃⁻) has gained increasing attention in drinking water treatment process. Photocatalysis technology is an effective strategy for bromate removal. During the photocatalytic reduction of bromate process, the photo-generated electrons are reductive species toward bromate reduction and photo-generated...

journal article 2021

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Review of the recent progress on GaN-based vertical power Schottky barrier diodes (SBDs)

Sun, Y. (author), Kang, Xuanwu (author), Zheng, Yingkui (author), Lu, Jiang (author), Tian, Xiaoli (author), Wei, Ke (author), Wu, Hao (author), Wang, Wenbo (author), Liu, Xinyu (author), Zhang, Kouchi (author)

Gallium nitride (GaN)-based vertical power Schottky barrier diode (SBD) has demonstrated outstanding features in high-frequency and high-power applications. This paper reviews recent progress on GaN-based vertical power SBDs, including the following sections. First, the benchmark for GaN vertical SBDs with different substrates (Si, sapphire, and...

review 2019

document

State-of-the-Art Research on Motion Control of Maritime Autonomous Surface Ships

Wang, L. (author), Wu, Qing (author), Liu, Jialun (author), Li, Shijie (author), Negenborn, R.R. (author)

At present, with the development of waterborne transport vehicles, research on ship faces a new round of challenges in terms of intelligence and autonomy. The concept of maritime autonomous surface ships (MASS) has been put forward by the International Maritime Organization in 2017, in which MASS become the new focus of the waterborne...

journal article 2019

document

Ship motion control based on AMBPS-PID algorithm

Wang, L. (author), Wu, Qing (author), Liu, Jialun (author), Li, Shijie (author), Negenborn, R.R. (author)

Intelligent motion control is one of the key technologies of ships. This paper studies the application of Adaptive Mutation Beetle Particle Swarm (AMBPS)-PID algorithm in ship motion control. Firstly, the ship MMG model is established. Then the BAS algorithm is introduced, and AMBPS algorithm is improved and designed on this basis. Secondly,...

journal article 2019

document

Support-Free Hollowing

Wang, Weiming (author), Liu, Yong-Jin (author), Wu, J. (author), Tian, Shengjing (author), Wang, C.C. (author), Liu, Ligang (author), Liu, Xiuping (author)

Offsetting-based hollowing is a solid modeling operation widely used in 3D printing, which can change the model's physical properties and reduce the weight by generating voids inside a model. However, a hollowing operation can lead to additional supporting structures for fabrication in interior voids, which cannot be removed. As a consequence...

journal article 2018

document

Delta DLP 3-D printing of large models

Yi, Ran (author), Wu, Chenming (author), Liu, Yong-Jin (author), He, Ying (author), Wang, C.C. (author)

This paper presents a 3-D printing system that uses a low-cost off-the-shelf consumer projector to fabricate large models. Compared with traditional digital light processing (DLP) 3-D printers using a single vertical carriage, the platform of our DLP 3-D printer using delta mechanism can also move horizontally in the plane. We show that this...

journal article 2018

document

Generating sparse self-supporting wireframe models for 3D printing using mesh simplification

Liu, Xiuping (author), Lin, Liping (author), Wu, J. (author), Wang, W. (author), Yin, Baocai (author), Wang, C.C. (author)

Wireframe models are becoming a popular option in 3D printing. Generating sparse wireframe models using classic mesh simplification methods leads to models that require a lot of support structures in the layer-upon-layer additive process. In this paper we present a mesh simplification method that takes into account the overhang angle....

journal article 2018

document

Support-free volume printing by multi-axis motion

Dai, C. (author), Wang, C.C. (author), Wu, Chenming (author), Lefebre, Sylvain (author), Fang, G. (author), Liu, Yong-Jin (author)

This paper presents a new method to fabricate 3D models on a robotic printing system equipped with multi-axis motion. Materials are accumulated inside the volume along curved tool-paths so that the need of supporting structures can be tremendously reduced - if not completely abandoned - on all models. Our strategy to tackle the challenge of...

journal article 2018

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Simultaneous photocatalytic and microbial degradation of dye-containing wastewater by a novel g-C₃ N₄ -P₂₅ /photosynthetic bacteria composite

Zhang, Xinying (author), Wu, Yan (author), Xiao, Gao (author), Tang, Zhenping (author), Wang, Meiyin (author), Liu, Fuchang (author), Zhu, X. (author)

Azo dyes are very resistant to light-induced fading and biodegradation. Existing advanced oxidative pre-treatment methods based on the generation of non-selective radicals cannot efficiently remove these dyes from wastewater streams, and post-treatment oxidative dye removal is problematic because it may leave many byproducts with unknown...

journal article 2017

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A triple system of Fe(III)/sulfite/persulfate: Decolorization and mineralization of reactive Brilliant Red X-3B in aqueous solution at near-neutral pH values

Liu, Zizheng (author), Guo, Yizhou (author), Shang, R. (author), Fang, Zheng (author), Wu, Feng (author), Wang, Zongping (author)

We report herein the use of ferric iron (Fe 3 + ) and sulfite (SO 3 2 −) to activate persulfate (S 2 O 8 2 −). Decolorization and mineralization of reactive Brilliant Red X-3B (a model azo dye) by an Fe(III)/sulfite/persulfate triple system have been investigated in aqueous solutions. Initial pH and dis- solved oxygen are important factors...

journal article 2016