Results 241 to 250 of about 29,379 (297)

Evaluation of fluorometholone as adjunctive medical therapy for trachomatous trichiasis surgery (FLAME): a parallel, double-blind, randomised controlled field trial in the Jimma Zone, Ethiopia. [PDF]

Lancet Glob Health
Kempen JH, Abashawl A, Mohammed AA, Dodson S, Alemayehu W, Jin F, Gemechu A, Mengesha AA, Kumsa DA, Chen Y, McWilliams K, Tulu B, Abdela G, Megersa A, Cheru T, Mohammad G, Succar T, Bunya VY, Frick KD, Maguire MG, Burton MJ, Ying GS, FLAME Trial Research Group.   +22 more
europepmc   +1 more source

A Review of Robotic Weeding Modalities for Site-Specific Weed Management. [PDF]

Sensors (Basel)
Gao F, Ding S, Zhu W, Han K, Wu B, Zhao M, Li Z, Jin X.   +7 more
europepmc   +1 more source

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Flame Velocity of Cellular Flames at Low Lewis Numbers

Combustion Science and Technology, 2001
The flame velocity of cellular flames at low Lewis numbers is numerically studied, based on the compressible Navier-Stokes equation including a one-step chemical reaction. The flame velocity of a cellular flame is always larger than that of a plane flame and increases as the Lewis number becomes lower. When the Lewis number is unity, the flame velocity
Satoshi Kadowaki
exaly   +2 more sources

The cellular flame instability of ammonia/propane laminar flames at elevated pressures [PDF]

Fuel
The cellular instability of spherically expanding ammonia/propane/air flames was examined at initial pressures (Pi) of 5–10 bar and an initial temperature of 298 K.
William L Roberts, Omar Z Arab
exaly   +3 more sources

Flame Retardancy of Cellular Polymeric Materials

International Journal of Polymeric Materials and Polymeric Biomaterials, 1996
Abstract The combustion behavior of cellular polymeric materials is reviewed. The correlations between the structure and thermophysical properties of cellular polymers are discussed. The tests for potential fire hazard of cellular polymeric materials are reviewed.
R M Aseeva
exaly   +2 more sources

Onset of cellular flame instability in adiabatic CH4/O2/CO2 and CH4/air laminar premixed flames stabilized on a flat-flame burner [PDF]

Combustion and Flame, 2013
This paper presents numerical and experimental studies on the onset and evolution of laminar cellular flames of CH4/O-2/CO2 (oxy-fuel) and CH4/air mixtures under adiabatic conditions, stabilized in the proximity of a flat-flame burner at atmospheric ...
R Yu, Alexander A Konnov, Xue-Song Bai
exaly   +2 more sources

Relationship investigation between quantitative cellular information and self-acceleration of lean hydrogen-air spherical premixed flame [PDF]

Energy
Due to the high diffusivity of hydrogen molecules, lean hydrogen-air premixed flames are more prone to cellular instability during combustion. This instability is known to often lead to self-acceleration of flame propagation, with the flame speed closely
Gengxin Zhang, Hongming Xu, Dawei Wu
exaly   +3 more sources

Quantitative three-dimensional reconstruction of cellular flame area for spherical hydrogen-air flames [PDF]

Fuel
The cellular flame area continues to increase with the development of cells on the spherical flame surface, which will greatly promote the flame burning rate and propagation speed.
Gengxin Zhang, Hongming Xu, Dawei Wu
exaly   +3 more sources