Results 71 to 80 of about 6,294 (295)

Pore-coexisting BaAl2O4–LuAG:Ce composite phosphor ceramics for solid-state lighting

Journal of Advanced Ceramics
The coexistence of pores in composite phosphor ceramics (CPCs) for solid-state lighting is not necessarily a disadvantage, and it may be more conducive to enhancing luminous efficiency.
Yanbin Wang, Ziqiu Cheng, Zhenzhen Zhou, Junhao Ye, Wei Luo, Yiyang Liu, Tingsong Li, Lexiang Wu, Warut Chewpraditkul, Weerapong Chewpraditkul, Jiang Li   +10 more
doaj   +1 more source

Precise luminous flux and color control of dimmable multi-string light-emitting diode systems

, 2021
A generic LED system involves complex photometric, electrical, thermal, and chromatic interactions, all of which make precise control of luminance and color mixing in high-quality lighting applications challenging. Multi-string LED drivers such as single-
黃焯冰, Wong, Cheuk Ping Germaine
core  

Hidden No More: Spotlight on Tidal Disruption Events in Active Galactic Nuclei

Astronomische Nachrichten, EarlyView.
ABSTRACT Tidal disruption events (TDEs) are typically discovered in previously quiescent galaxies. However, earlier studies have revealed a handful of TDEs occurring in pre‐existing active galactic nuclei (AGN). We discuss AT2019aalc, a promising TDE candidate in an AGN, and compare it to similar sources.
Patrik Milán Veres
wiley   +1 more source

Origins of heat and luminous saturation in LuAG:Ce thin films for high-power laser lighting

Journal of Advanced Ceramics
The performance of high-power laser-driven lighting systems is fundamentally limited by an insufficient understanding of the mechanisms governing heat generation and luminous saturation in color-converting materials.
Bingguo Xue, Shaohong Liu, Huiying Hu, Limin Zhou, Hao Cui, Hongying Pei, Wenyan Zhou, Manmen Liu, Haigang Dong, Ming Wen, Li Chen, Wei Wang, Song Li, Liang Zuo   +13 more
doaj   +1 more source

High power LED based standard lamps for luminous flux and luminous intensity

Ukrainian Metrological Journal, 2019
BelGIM together with Cersys Analitycs designed and manufactured LED-based reference lamps. The lamp was originally designed for use not only as a part of the national measurement standards, but also as a transfer standard for verifications and calibrations of customers’ equipment.Our analysis of the sources of uncertainty of the LEDs’ photometric ...
Scums, Dmitriy, Eroshenko, Boris
openaire   +3 more sources

Circular Economy Pathways for Airport Climate Change Mitigation

Business Strategy and the Environment, EarlyView.
ABSTRACT Airport operators face growing climate‐change pressures; the circular economy offers pathways to reduce impacts and recover resources. We examine how airport operators apply the circular economy in practice. We use an exploratory qualitative multicase design based on practitioner‐generated documents (e.g., press releases and sustainability ...
Michele Oppioli, Davide Calandra, Federico Lanzalonga, Paolo Biancone   +3 more
wiley   +1 more source

Study of lighting characteristics of LED analogues of domestically produced linear fluorescent lamps

Vestnik MGTU
LED linear lamps are gaining popularity in various fields of application due to their advantages in energy efficiency, durability and lighting quality.
Ashryatov A. A., Kuznetsov E. A., Pashkov M. Yu.   +2 more
doaj   +1 more source

Early assembly of the most massive galaxies [PDF]

, 2009
The current consensus is that galaxies begin as small density fluctuations in the early Universe and grow by in situ star formation and hierarchical merging(1).
Chris A. Collins, Scott T Kay (16045382), Nicola Mehrtens (16047884), Ed Lloyd-Davies, Hoyle, Ben, Hosmer, Mark, Christopher J. Miller, Ben Hoyle, Mehrtens, Nicola, Robert G. Mann, Pedro T. P. Viana, Martin Sahlén (267044), S Adam Stanford (16061237), Mark Hosmer (16070585), Robert C Nichol (16067396), John P Stott (16070582), Martin Sahlén, Sahlen, Martin, John P. Stott, Kathy Romer (4460893), Matt Hilton (6956609), Viana, Pedro T. P., Mann, Robert G., Ben Hoyle (6914513), Stott, John P., Matt Hilton, Robert G Mann (7965452), Andrew Liddle, Stanford, S. Adam, Christopher J Miller (16070591), A. Kathy Romer, Davidson, Michael, Ed Lloyd-Davies (16075100), Romer, A. Kathy, Robert C. Nichol, Andrew Liddle (16042793), Pedro T P Viana (16045379), Nichol, Robert C., Kay, Scott T., Michael J. West, Chris A Collins (16061234), Scott T. Kay, Collins, Chris A., Michael Davidson, Mark Hosmer, West, Michael J., Michael Davidson (699678), S. Adam Stanford, Michael J West (5524436), Liddle, Andrew, Nicola Mehrtens, Miller, Christopher J., Hilton, Matt, Lloyd-Davies, Ed   +53 more
core   +1 more source

Effects of Dehulling and Extrusion‐Cooking on the Nutritional and Physicochemical Properties of Navy Bean (Phaseolus vulgaris L.) Flours

ChemFoodChem, EarlyView.
Dehulling combined with twin‐screw extrusion improves the nutritional and functional properties of steam treated navy beans. Protein digestibility increases while phytic acid is reduced by 43% and trypsin inhibitors are inactivated. Enhanced expansion, solubility, and sensory quality highlight the potential of dehulled bean flours for developing ...
Albarracín M, Garzon AG, Drago SR
wiley   +1 more source

INVESTIGATION OF TEMPERATURE REGIME AND LUMINOUS FLUX OF LIGHT-EMITTING ELEMENT OF LIGHT EMITTING DIODE LAMP [PDF]

, 2020
The article presents the results of computer simulation of heating regime, experimental investigation of temperature pattern and luminous flux of the stripe-patterned light-emitting element of LED lamp with convection gas cooling.
Artem U Olisovec, Danil G Starosek, Alexandr V Ermolaev, Yuliya V Ryapolova, Denis V Ozerkin, Vasiliy I Tuev   +5 more
core