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Plastic particles affect N₂O release via altering core microbial metabolisms in constructed wetlands

Yang, X. (author), Chen, Yi (author), Liu, Tao (author), Zhang, Lu (author), Wang, Hui (author), Chen, Mengli (author), He, Qiang (author), Liu, G. (author), Ju, Feng (author)

Constructed wetlands (CWs) have been proven to effectively immobilize plastic particles. However, little is known about the differences in the impact of varying sized plastic particles on nitrous oxide (N₂O) release, as well as the intervention mechanisms in CWs. Here, we built a lab-scale wetland model and introduced plastic...

journal article 2024

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Three-dimensional surface strain sensor based on PDMS/LIG composite film with adjustable electromechanical performance

Yang, Huiru (author), Huang, Qianming (author), Wang, S. (author), Zong, Qihang (author), Tan, C. (author), Ye, H. (author), Zhang, Kouchi (author)

Flexible strain sensors play a crucial role in health monitoring, smart wearable devices, and human–machine interaction. Three-dimensional surface evaluation methods for strain sensors offer advantages by being closer to actual strain, featuring a larger working range, and being more suitable for multidirectional strain. In this study, a...

journal article 2024

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Construction of AlGaN/GaN high-electron-mobility transistor-based biosensor for ultrasensitive detection of SARS-CoV-2 spike proteins and virions

Yang, Chenyang (author), Sun, Jianwen (author), Zhang, Yulong (author), Tang, Jingya (author), Liu, Zizheng (author), Zhan, Teng (author), Wang, Dian-Bing (author), Zhang, Kouchi (author), Liu, Zewen (author), Zhang, Xian-En (author)

The COVID-19 pandemic has highlighted the need for rapid and sensitive detection of SARS-CoV-2. Here, we report an ultrasensitive SARS-CoV-2 immunosensor by integration of an AlGaN/GaN high-electron-mobility transistor (HEMT) and anti-SARS-CoV-2 spike protein antibody. The AlGaN/GaN HEMT immunosensor has demonstrated the capability to detect...

journal article 2024

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Understanding the interaction of nucleotides with UVC light: an insight from quantum chemical calculation-based findings

Tan, C. (author), Wang, S. (author), Yang, Huiru (author), Huang, Qianming (author), Li, Shizhen (author), Liu, X. (author), Ye, H. (author), Zhang, Kouchi (author)

Short-wave ultraviolet (also called UVC) irradiation is a well-adopted method of viral inactivation due to its ability to damage genetic material. A fundamental problem with the UVC inactivation method is that its mechanism of action on viruses is still unknown at the molecular level. To address this problem, herein we investigate the...

journal article 2023

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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

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Chloride penetration resistance of engineered cementitious composite (ECC) subjected to sustained flexural loading

Wang, Chuan (author), Sun, Renjuan (author), Hu, Xinlei (author), Guan, Yanhua (author), Yang, Yingzi (author), Lu, Wei (author), Tian, Jun (author), Zhang, Hongzhi (author), Ge, Zhi (author), Šavija, B. (author)

This paper presents a research on the chloride penetration behavior of engineered cementitious composites (ECC) under sustained flexural loads. Three load levels, i.e. 30 %, 60 % and 75 % of the ultimate flexural load were used. Chloride diffusion depth and concentration profile were measured 30, 60 and 150 days after the specimen was exposed...

journal article 2023

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Combined CNN and RNN Neural Networks for GPR Detection of Railway Subgrade Diseases

Liu, Huan (author), Wang, Shilei (author), Jing, Guoqing (author), Yu, Ziye (author), Yang, Jin (author), Zhang, Yong (author), Guo, Y. (author)

Vehicle-mounted ground-penetrating radar (GPR) has been used to non-destructively inspect and evaluate railway subgrade conditions. However, existing GPR data processing and interpretation methods mostly rely on time-consuming manual interpretation, and limited studies have applied machine learning methods. GPR data are complex, high...

journal article 2023

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Stretchable strain sensor based on HfSe₂/LIG composite with high sensitivity and good linearity within a wide range

Yang, Huiru (author), Wang, S. (author), Huang, Qianming (author), Tan, C. (author), Gao, Chenshan (author), Xu, Siyuan (author), Ye, Huaiyu (author), Zhang, Kouchi (author)

Flexible strain sensors based on nanomaterials have sparked a lot of interest in the field of wearable smart electronics. Laser induced graphene (LIG) based sensors in particular stand out due to their straightforward fabrication procedure, three-dimensional porous structures, and exceptional electromechanical capabilities. Recent studies...

journal article 2023

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Performance Comparison between Data Centers with Different Airflow Management Technologies

Li, Xueqiang (author), Zhang, Zhongyao (author), Wang, Qihui (author), Yang, Xiaohu (author), Hooman, K. (author), Liu, Shengchun (author)

Air cooling systems are widely used in current data centers owing to their low capital costs and high reliability. To satisfy the increasing rack power density, the optimal air-cooling technology and an economic analysis should be carefully discussed. Therefore, this study discusses four airflow management technologies: Case 1: raised floor...

journal article 2023

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Laser-Induced Graphene Formation on Chitosan Derivatives toward Ecofriendly Electronics

Huang, Qian Ming (author), Yang, Huiru (author), Wang, S. (author), Liu, X. (author), Tan, C. (author), Luo, Anxin (author), Xu, Siyuan (author), Zhang, Kouchi (author), Ye, H. (author)

Laser-induced graphene (LIG) has aroused a wide range of research interests ranging from micro-nano energy devices to the Internet of Things (IoT). Nevertheless, the non-degradability of most-used synthetic polymer carbon sources poses a serious threat to the environment. In this work, ecofriendly chitosan-based derivatives, including...

journal article 2023

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Rapid Fabrication of High-Performance Flexible Pressure Sensors Using Laser Pyrolysis Direct Writing

Wang, S. (author), Zong, Qihang (author), Yang, Huiru (author), Tan, C. (author), Huang, Qianming (author), Liu, X. (author), Zhang, Kouchi (author), French, P.J. (author), Ye, H. (author)

The fabrication of flexible pressure sensors with low cost, high scalability, and easy fabrication is an essential driving force in developing flexible electronics, especially for high-performance sensors that require precise surface microstructures. However, optimizing complex fabrication processes and expensive microfabrication methods...

journal article 2023

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Effect of epoxy resin addition on properties and corrosion behavior of sintered joints in power modules serviced offshore

Wang, Xinyue (author), Yang, Zhoudong (author), Wang, Boya (author), Chen, Wei (author), Zhang, Kouchi (author), Zhang, Jing (author), Fan, J. (author), Liu, P. (author)

Power modules applied in offshore applications are facing risks of corrosion failures on die-attach materials due to high humidity and H₂S exposure. To investigate such corrosion behavior for sintered die-attach materials, we conducted a study with four groups of samples fabricated using copper and silver metal particles under...

journal article 2023

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基于注意力机制的城市轨道交通网络级多步短时客流时空综合预测模型

Zhang, Jinlei (author), Chen, Yijie (author), Krishnakumari, P.K. (author), Jin, Guangyin (author), Wang, Chengcheng (author), Yang, Lixing (author)

Accurate and reliable short- term passenger flow prediction can support operations and decision-making of the URT system from multiple perspectives. In this paper, we propose a URT multi- step short- term passenger flow prediction model at the network level based on a Transformer-based LSTM network, Depth-wise Attention Block, and CNN network...

journal article 2023

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A non-unit line protection method for MMC-HVDC grids based on the curvatures of backward traveling waves

Xie, F. (author), Hao, Zhiguo (author), Ye, Dongmeng (author), Yang, Songhao (author), Li, Chuanxi (author), Dai, Guoan (author), Zhang, Baohui (author), Wang, Ting (author)

The existing protection techniques for high-voltage direct-current (HVDC) grids suffer from several shortcomings such as high sampling frequency, poor robustness, and reliance on simulation for threshold setting. To solve these problems, this paper proposes a non-unit protection method for modular multilevel converter (MMC)-based HVDC grids...

journal article 2023

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High-Performance Flexible Strain Sensor Fabricated Using Laser Transmission Pyrolysis

Wang, S. (author), Yang, Huiru (author), Zong, Qihang (author), Huang, Qianming (author), Tan, C. (author), Gao, Chenshan (author), Li, Shizhen (author), Ye, H. (author), Zhang, Kouchi (author), French, P.J. (author)

In recent years, metal crack-based stretchable flexible strain sensors have attracted significant attention in wearable device applications due to their extremely high sensitivity. However, the tradeoff between sensitivity and detection range has been an intractable dilemma, severely limiting their practical applications. Herein, we propose a...

journal article 2023

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Towards weathering and corrosion resistant, self-warning and self-healing epoxy coatings with tannic acid loaded nanocontainers

Wang, Jinke (author), Tan, Weimin (author), Yang, Hao (author), Rao, Xingxing (author), Luo, Xinliang (author), Ma, Lingwei (author), Ren, Chenhao (author), Mol, J.M.C. (author), Zhang, Dawei (author)

In this work, an active protective epoxy coating with weathering resistant, corrosion-warning, and self-healing properties was developed by incorporating tannic acid (TA) loaded mesoporous silica (MSN-TA) nanocontainers. The introduction of MSN-TA nanocontainers could alleviate the coating degradation via scavenging the radicals generated...

journal article 2023

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Refined nonlinear fractional derivative model of vehicle-track coupling dynamics

Yang, Fan (author), Zhang, P. (author), Wang, Yuan (author), Wei, Kai (author), Dong, Liwei (author), Wang, Ping (author)

The coupled vehicle-track system (CVTS) dynamics have been extensively investigated for decades. However, the calculation accuracy of prevailing vehicle-track coupling models needs to be improved in the high frequency range due to the inappropriate model simplification and neglect of material nonlinearity. In this study, we propose a refined...

journal article 2023

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First-Principles Study on the Elastic Mechanical Properties and Anisotropies of Gold–Copper Intermetallic Compounds

Wang, Jian (author), Qin, Hongbo (author), Chen, Junfu (author), Yang, Daoguo (author), Zhang, Kouchi (author)

In this study, first-principles calculations were utilized to investigate the lattice constants, elastic constants, and mechanical properties of gold–copper (Au–Cu) intermetallic compounds (IMCs), including AuCu3, AuCu, and Au3Cu. We also verified the direction dependence of the Young’s modulus, shear modulus, and Poisson’s ratio of the...

journal article 2022

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Composition regulation of composite materials in laser powder bed fusion additive manufacturing

Yao, Dengzhi (author), Wang, Ju (author), Cai, Yao (author), Zhao, Tingting (author), An, Xizhong (author), Zhang, Hao (author), Fu, Haitao (author), Yang, Xiaohong (author), Zou, Qingchuan (author), Wang, L. (author)

Understanding and controlling the composition segregation during powder spreading is of key importance in the additive manufacturing (AM) of composite materials. Under this circumstance, the segregation behavior of WC/316 L composite powders during spreading in laser powder bed fusion (LPBF) AM was numerically investigated by the discrete...

journal article 2022

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Hydrogenated Boron Phosphide THz-Metamaterial-Based Biosensor for Diagnosing COVID-19: A DFT Coupled FEM Study

Tan, C. (author), Wang, S. (author), Yang, Huiru (author), Huang, Qianming (author), Li, Shizhen (author), Liu, X. (author), Ye, H. (author), Zhang, Kouchi (author)

Recent reports focus on the hydrogenation engineering of monolayer boron phosphide and simultaneously explore its promising applications in nanoelectronics. Coupling density functional theory and finite element method, we investigate the bowtie triangle ring microstructure composed of boron phosphide with hydrogenation based on structural and...

journal article 2022