Results 91 to 100 of about 4,852,085 (251)

An Improved Numerical Model of Shield Tunnel with Double Lining and Its Applications

open access: yesAdvances in Materials Science and Engineering, 2015
Based on the existing numerical models of shield tunnel with double lining, an improved numerical model is developed and its rationality is verified by a similar model test.
Qi-xiang Yan   +4 more
doaj   +1 more source

Substrate inhibition by the blockage of product release and its control by tunnel engineering. [PDF]

open access: yesRSC Chem Biol, 2021
Kokkonen P   +5 more
europepmc   +1 more source

CFD Modelling of Tunnel Fires

open access: yes
Computational fluid dynamics (CFD) modelling has been widely used for performance-based tunnel fire safety design in engineering applications. A CFD tool divides a computation domain into a large number of small cells and solves a set of differential ...
Ingason, Haukur,   +2 more
core   +1 more source

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

open access: yesAdvanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis   +19 more
wiley   +1 more source

McVey tunnel

open access: yes, 2022
Scale approximately 1:12,000. 1000 feet to one inch. Vertical scale approximately 1:4,800. 400 feet to 1 inch.Color."Cross section of mountain 'A' to 'B' on line of McVey Tunnel.

core  

Optimal Control Drives Ultrafast and Energy‐Efficient Magnetization Switching in Van der Waals Magnets

open access: yesAdvanced Materials, EarlyView.
ABSTRACT The accelerating expansion of data‐centric technologies is sharply increasing the energy burden of information storage, placing unprecedented pressure on the efficiency of magnetic switching. Conventional field‐driven reversal, once the foundation of magnetic memory, has become impractical in modern architectures due to its high energy cost ...
Mohammad H. Badarneh   +2 more
wiley   +1 more source

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

open access: yesAdvanced 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   +8 more
wiley   +1 more source

When Poor Exciton Dissociation Limits Photocurrents in Organic Solar Cells: Why Low Offset Non‐Fullerene Acceptor Blends Can't Be Efficient

open access: yesAdvanced Materials, EarlyView.
The energetic offset between the donor and the acceptor components in organic photoactive layers is central to the tradeoff between photovoltage and photocurrent losses. This Perspective covers the most important issues surrounding this topic in non‐fullerene acceptor blends, from the difficulty of accurately determining state energies and driving ...
Dieter Neher, Manasi Pranav
wiley   +1 more source

Rapid alignment evaluation method for prefabricated arch bridges based on virtual trial assembly

open access: yesAdvances in Bridge Engineering
Geometric dimension inspection and overall alignment evaluation of arch ribs remain challenging during the manufacturing and installation of prefabricated arch bridges. Enabled by three-dimensional laser scanning for rapid and accurate capture of complex
Jinyu Zhu   +6 more
doaj   +1 more source

“Smelltronics”—From Gas to Smell Sensing

open access: yesAdvanced Materials, EarlyView.
The emerging field of smelltronics, encompassing sensing technologies for complex volatile organic compounds, holds significant potential for extracting valuable chemical information. It facilitates the noninvasive, real‐time monitoring of humans, food, and the environment.
Takeshi Ono   +7 more
wiley   +1 more source

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