Results 11 to 20 of about 275,457 (299)

Transient Osteoporosis

Journal of the American Academy of Orthopaedic Surgeons, 2008
Transient osteoporosis is characterized primarily by bone marrow edema. The disease most commonly affects the hip, knee, and ankle in middle-aged men. Its cause remains unknown. The hallmark that separates transient osteoporosis from other conditions presenting with a bone marrow edema pattern is its self-limited nature. Laboratory tests usually do not
Korompilias, A. V., Karantanas, A. H., Lykissas, M. G., Beris, A. E.   +3 more
openaire   +3 more sources

Effects of Nozzle Configuration on Rock Erosion Under a Supercritical Carbon Dioxide Jet at Various Pressures and Temperatures

Applied Sciences, 2017
The supercritical carbon dioxide (SC-CO2) jet offers many advantages over water jets in the field of oil and gas exploration and development. To take better advantage of the SC-CO2 jet, effects of nozzle configuration on rock erosion characteristics were
Man Huang, Yong Kang, Xiaochuan Wang, Yi Hu, Deng Li, Can Cai, Feng Chen   +6 more
doaj   +1 more source

Insights Into the Influence of Sidewall Morphology on the Light Extraction Efficiency of Mini-LEDs

IEEE Photonics Journal, 2019
We systemically investigated the influence of sidewall morphology change based on TMAH etching on the optical performance of mini-LEDs. The dominant feature of prism structures on the sidewall of mini-LEDs with TMAH etching treatment varied from ...
Bin Tang, Jiahao Miao, Yingce Liu, Shengjun Zhou, Haohao Xu, Hui Wan   +5 more
doaj   +1 more source

Effect of Dielectric Distributed Bragg Reflector on Electrical and Optical Properties of GaN-Based Flip-Chip Light-Emitting Diodes

Micromachines, 2018
We demonstrated two types of GaN-based flip-chip light-emitting diodes (FCLEDs) with distributed Bragg reflector (DBR) and without DBR to investigate the effect of dielectric TiO2/SiO2 DBR on optical and electrical characteristics of FCLEDs.
Shengjun Zhou, Haohao Xu, Mengling Liu, Xingtong Liu, Jie Zhao, Ning Li, Sheng Liu   +6 more
doaj   +1 more source

An InGaN/GaN Superlattice to Enhance the Performance of Green LEDs: Exploring the Role of V-Pits

Nanomaterials, 2018
Despite the fact that an InGaN/GaN superlattice (SL) is useful for enhancing the performance of a GaN-based light-emitting diode (LED), its role in improving the efficiency of green LEDs remains an open question. Here, we investigate the influence of a V-
Mengling Liu, Jie Zhao, Shengjun Zhou, Yilin Gao, Jinfeng Hu, Xingtong Liu, Xinghuo Ding   +6 more
doaj   +1 more source

Differentiable transient rendering [PDF]

ACM Transactions on Graphics, 2021
Recent differentiable rendering techniques have become key tools to tackle many inverse problems in graphics and vision. Existing models, however, assume steady-state light transport, i.e., infinite speed of light. While this is a safe assumption for many applications, recent advances in ultrafast imaging leverage the wealth of information
Shinyoung Yi 0001, Donggun Kim 0002, Kiseok Choi, Adrián Jarabo, Diego Gutierrez, Min H. Kim 0001   +5 more
openaire   +4 more sources

Improvement in Light Output of Ultraviolet Light-Emitting Diodes with Patterned Double-Layer ITO by Laser Direct Writing

Nanomaterials, 2019
A patterned double-layer indium-tin oxide (ITO), including the first unpatterned ITO layer serving as current spreading and the second patterned ITO layer serving as light extracting, was applied to obtain uniform current spreading and high light ...
Jie Zhao, Xinghuo Ding, Jiahao Miao, Jinfeng Hu, Hui Wan, Shengjun Zhou   +5 more
doaj   +1 more source

Robust Ruddlesden‐Popper phase Sr3Fe1.3Mo0.5Ni0.2O7‐δ decorated with in‐situ exsolved Ni nanoparticles as an efficient anode for hydrocarbon fueled solid oxide fuel cells

SusMat, 2022
A highly efficient Ruddlesden‐Popper structure anode material with a formula of Sr3Fe1.3Mo0.5Ni0.2O7‐δ (RP‐SFMN) has been developed for hydrocarbon fueled solid oxide fuel cells (HF‐SOFC) application.
Xiaoyu Zhang, Yawen Tong, Tong Liu, Dong Zhang, Na Yu, Jian Zhou, Yueqin Li, Xiang‐Kui Gu, Yao Wang   +8 more
doaj   +1 more source

Ray Effects and False Scattering in Improved Discrete Ordinates Method

Energies, 2021
The improved discrete ordinates method (IDOM) developed in our previous paper is extended to solve radiative transfer in three-dimensional radiative systems with anisotropic scattering medium.
Yong Cheng, Shuihua Yang, Zhifeng Huang
doaj   +1 more source

Long duration radio transients lacking optical counterparts are possibly Galactic Neutron Stars [PDF]

, 2009
(abridged) Recently, a new class of radio transients in the 5-GHz band was detected by Bower et al. We present new deep near-Infrared (IR) observations of the field containing these transients, and find no counterparts down to a limiting magnitude of K ...
A. Gal-Yam, Agüeros, Arzoumanian, B. Breslauer, Barbary, Berger, Berger, Berger, Berger, Berger, Bondi, Bower, Brotherton, Burgasser, Burgasser, Burgasser, Burrows, Carilli, Cenko, Chandra, Colpi, Condon, Cordes, Cordes, D. Frail, Deneva, E. O. Ofek, E. Waxman, Falcke, Faucher-Giguère, Fisher, Frail, Gal-Yam, Gehrels, Ghez, Glikman, Gregg, Guetta, Hallinan, Harrison, Hopkins, Hyman, Johns-Krull, Jørgensen, Kuniyoshi, Levinson, M. M. Kasliwal, Maoz, Matsumura, Motch, Nakar, Neuhäuser, Niinuma, Niinuma, Ofek, Ofek, Ofek, Ostriker, Ovaldsen, Perley, Perna, Peterson, Popov, Press, Quimby, Reid, Reyes, Rutledge, Rybicki, S. R. Kulkarni, Sengupta, Sun, Toropina, Toropina, Toropina, Treves, Treves, Treves, Urpin, Voges, White   +80 more
core   +2 more sources