Results 41 to 50 of about 1,687 (201)

A new 3-D modelling method to extract subtransect dimensions from underwater videos [PDF]

, 2012
Underwater video transects have become a common tool for quantitative analysis of the seafloor. However a major difficulty remains in the accurate determination of the area surveyed as underwater navigation can be unreliable and image scaling does not ...
Fillinger, Laura, Funke, Tobias
core   +2 more sources

Comparison among Various Expressions of Complex Admittance for Quantum System in Contact with Heat Reservoir [PDF]

, 2009
Relation among various expressions of the complex admittance for quantum systems in contact with heat reservoir is studied. Exact expressions of the complex admittance are derived in various types of formulations of equations of motion under contact with
A. Abragam, A. G. Redfield, A. Ogasahara, C. J. Gorter, Chikako Uchiyama, E. Zavoisky, K. Yosida, M. A. Nielsen, M. Saeki, Mizuhiko Saeki, R. Kubo, Seiji Miyashita, Takashi Mori, W. H. Louisell   +13 more
core   +1 more source

Meter‐Scale Ultra‐Large‐Area Flexible Electroluminescent Devices Enabled by Aerosol Spraying

Advanced Science, EarlyView.
This work presents a simple aerosol spraying method using modified luminescent ink to fabricate meter‐scale flexible alternating current electroluminescent (ACEL) devices. Enhanced particle dispersibility and film uniformity yield impressive brightness up to 500 cd m−2, positioning these devices as effective luminous navigation signs for industrial ...
Hao Song, Liang Yi, Lixiang Huang, Wajid Ali, Linhan Cai, Chao Wang, Jianhua Huang, Ziwei Li, Anlian Pan   +8 more
wiley   +1 more source

Waveguide Coupled Full-Color Quantum Dot Light-Emitting Diodes Modulated by Microcavities

Photonics
Integrated light-emitting diodes (LEDs) with waveguides play an important role in applications such as augmented reality (AR) displays, particularly regarding coupling efficiency optimization.
Yilan Zhang, Wenhao Wang, Fankai Zheng, Jiajun Zhu, Guanding Mei, Yuxuan Ye, Jieyu Tan, Hechun Zhang, Qiang Jing, Bin He, Kai Wang, Dan Wu   +11 more
doaj   +1 more source

The vegetalizing factor A member of the evolutionarily highly conserved activin family [PDF]

, 1992
The mesoderm and endoderm inducing vegetalizing factor was partially sequenced after BrCN cleavage. A sequence which is highly conserved in activin A near the C-terminal end was identified. This shows that the factor belongs to the activin family.
Geithe, Plessow, Asashima, Rosa, Knö, Asashima, Ling, Vale, Murata, Asashima, Nakamura, O'Farrell, Mangold, Asahi, Grunz, Mason, Padgett, Panganiban, Wozney, Kö, Roberts, Saxé, Tiedemann, Tiedemann, Smith, Nakano, Van, Chertov, Dau, Thomsen, Becker, Born, Tiedemann, Born, Ueno, Weinberg   +35 more
core   +1 more source

Graphitic C3N4 quantum dots for next-generation QLED displays

Materials Today, 2019
Abstract Quantum dot light-emitting diode (QLED) displays are considered a next-generation technology, but previously reported quantum dots (QDs) consisting of heavy metals are toxic and harmful. This work examined earth-abundant, metal-free, graphitic C3N4 (g-C3N4) with exceptional optical and electronic properties, excellent chemical and thermal ...
Liangrui He, Mi Fei, Jie Chen, Yunfei Tian, Yang Jiang, Yang Huang, Kai Xu, Juntao Hu, Zhi Zhao, Qiuhong Zhang, Haiyong Ni, Lei Chen   +11 more
openaire   +1 more source

Triboelectric Tactile Transducers for Neuromorphic Sensing and Synaptic Emulation: Materials, Architectures, and Interfaces

Advanced Energy and Sustainability Research, EarlyView.
Triboelectric nanogenerators are vital for sustainable energy in future technologies such as wearables, implants, AI, ML, sensors and medical systems. This review highlights improved TENG neuromorphic devices with higher energy output, better stability, reduced power demands, scalable designs and lower costs.
Ruthran Rameshkumar, Arunkumar Chandrasekhar, Poongundran Selvaprabhu   +2 more
wiley   +1 more source

Solution-processed quantum-dot light-emitting diodes combining ultrahigh operational stability, shelf stability, and luminance

npj Flexible Electronics, 2022
The shelf-stability issue, originating from the ZnO-induced positive aging effect, poses a significant challenge to industrializing the display technology based on solution-processed quantum-dot light-emitting diodes (QLEDs).
Zi Ye, Mengyu Chen, Xingtong Chen, Wenchen Ma, Xiaojuan Sun, Longjia Wu, Xiongfeng Lin, Yu Chen, Song Chen   +8 more
doaj   +1 more source

Surface engineering of ZnO nanoparticles with diethylenetriamine for efficient red quantum-dot light-emitting diodes

iScience, 2022
Summary: Due to the outstanding electron injection/transport capability of ZnO nanoparticles (NPs), quantum-dot light-emitting diodes (QLEDs) are commonly constructed by employing a hybrid device structure with ZnO electron-transporting layer and organic
Dandan Zhang, Yan-Hua Liu, Lianqing Zhu
doaj   +1 more source

Measurement of the Charge Collection Efficiency after Heavy Non-Uniform Irradiation in BaBar Silicon Detectors

, 2005
We have investigated the depletion voltage changes, the leakage current increase and the charge collection efficiency of a silicon microstrip detector identical to those used in the inner layers of the BaBar Silicon Vertex Tracker (SVT) after heavy non ...
/INFN, Pisa /Pisa U. /SLAC, /INFN, Trieste /Trieste U., /UC, Santa Barbara, Bettarini, S., Bondioli, M., Bosisio, L., Calderini, G., Campagnari, C., Dittongo, S., Forti, F., Giorgi, M.A., Marchiori, G., Rizzo, G.   +12 more
core   +4 more sources