Results 41 to 50 of about 207,008 (281)

Experimental investigation and limit analysis of shield tunnel face failure mechanism in sand

Underground Space
Shield tunneling in urban underground space necessitates tight control over support pressure at the tunnel face and a thorough insight into ground collapse mechanisms.
Mengzhe Huo, Weizhong Chen, Jingqiang Yuan, Guojun Wu, Yunfa Li, Yubiao Liu   +5 more
doaj   +1 more source

Electrochemical Pathways for Nitrate Conversion to Ammonia: From Environmental Challenges to Ammonia Economy

Advanced Functional Materials, EarlyView.
This perspective presents recent advances in electrocatalytic nitrate reduction, focusing on reaction mechanisms, catalyst design, and electrolyzer configurations. Key challenges in selectivity, stability, and practical wastewater treatment are highlighted, while future directions for advancing sustainable ammonia synthesis and nitrate remediation are ...
Xintong Li, Yunpeng Zuo, Xiaoran Zhang, Jieqiong Shan, Kenneth Mei Yee Leung, Bin Liu, Peter Strasser, Adrian Fisher, Zonglong Zhu, Xin Wang   +9 more
wiley   +1 more source

Integration of tunneling magnetoresistive sensors for high resolutive magnetic particle detection [PDF]

, 2009
Albon C. Integration of tunneling magnetoresistive sensors for high resolutive magnetic particle detection. Bielefeld (Germany): Bielefeld University; 2009.The development of nanotechnology pushes the limits of biomedicine in regions where the size of ...
Albon, Camelia
core  

Mechanism of influences of shield construction nearby friction pile foundation on its bearing capacity and its controlling techniques

Yantu gongcheng xuebao, 2023
Aiming at the disturbance problem of the adjacent friction pile foundation buildings caused by shield tunneling, based on the changes in the stress field of the strata before and after shield tunneling, an analytical calculation model for the bearing ...
LIN Chao 1, 2, JIANG Rong 1, 3, XIAO Shucong 1, WANG Zuxian 4
doaj   +1 more source

A diode device combining lateral field-effect transport and vertical tunneling in a multi-quantum-well heterostructure [PDF]

, 1992
The authors discuss an electronic device with asymmetric contacts to a InGaAs-InP multilayer heterostructure. Current enters via an alloyed ohmic contact into the quantum wells (QWs) and flows laterally along capacitively coupled channels.
Marczewski, J., Zachau, M., Grützmacher, D., Asenov, A., Koch, F., Gruetzmacher, D.   +5 more
core   +1 more source

Covalent Functionalization of 2D Semiconductors: A Roadmap to Advanced Electronic Devices

Advanced Functional Materials, EarlyView.
This Review presents recent advances in the covalent functionalization strategies for two‐dimensional semiconductors and their implementation in modern technologies. Layered materials are modified through diverse molecular chemistries (e.g., thiols, diazonium salts, alkyl halides, and electron‐deficient species) to tailor their surface properties ...
Ramiro Quirós‐Ovies, Bin Han, Paolo Samorì   +2 more
wiley   +1 more source

3D Finite Element Simulation on During Shield Tunneling

, 2011
Based on the comprehensive analysis on the primary components of ground movement associated with earth pressure balance (EPB) shield tunneling, a three-dimensional nonlinear finite element model for simulating EPB shield tunneling is proposed.
Bao Lian Wang, Ji Shun Li, Yi Liu
core   +1 more source

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

Advanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

Tunneling spectroscopy of magnetic tunnel junctions [PDF]

, 2010
Drewello V. Tunneling spectroscopy of magnetic tunnel junctions. Bielefeld (Germany): Bielefeld University; 2010.In this thesis, magnetic tunnel junctions based on MgO barriers have been prepared and investigated.
Drewello, Volker
core  

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

Advanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj, Roshni Satheesh Babu, Yuxin Xia, Eva Bestelink, Radu Sporea, Nikos Hastas, Ioannis Zeimpekis, Dimitra G. Georgiadou, Sayani Majumdar   +8 more
wiley   +1 more source