Results 71 to 80 of about 60,477 (322)

Marcasite at the Permian‐Triassic Transition

open access: yesGeophysical Monograph Series, Page 377-399., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Elena Lounejeva   +7 more
wiley  

+1 more source

Excimer Laser Correction of Myopia Using Aspheric Technology. Literature Review

open access: yesActa Biomedica Scientifica, 2019
The article presents a literature review of scientific sources on the use of aspheric technology for the correction of refractive errors at the present stage of development of excimer laser surgery.
E. G. Pogodina   +3 more
doaj   +1 more source

Determination of the absorption length of CO2, Nd:YAG and high power diode laser radiation for a selected grouting material [PDF]

open access: yes, 2002
The laser beam absorption lengths of CO2, Nd:YAG and a high power diode laser (HPDL) radiation for a newly developed SiO2/Al2O3-based tile grout have been determined through the application of Beer-Lambert’s law.
A.W. Gale   +21 more
core   +1 more source

Electron Channeling Contrast Imaging of Ferroelastic Domains

open access: yesAdvanced Materials, EarlyView.
A simple scanning electron microscopy technique, electron channeling contrast imaging, unveils nanoscale ferroelastic domains and their coupling to functional properties in oxide heterostructures. The work demonstrates high‐resolution mapping of both surface and buried domains, broadening the experimental toolbox for ferroic and quantum oxide systems ...
Wei Peng   +13 more
wiley   +1 more source

Investigation of laser dynamics, modulation and control by means of intra-cavity time varying perturbation [PDF]

open access: yes
Work continued on a number of projects aimed at the generation of tunable visible, infrared, and ultraviolet light; and on the control of this light by means of novel mode-locking and modulation techniques.
Harris, S. E.
core   +4 more sources

Glow Discharge Optical Emission Spectroscopy for Chemical Characterization of Complex Oxide Thin Films and Interfaces

open access: yesAdvanced Materials Interfaces, EarlyView.
This work demonstrates how glow discharge optical emission spectroscopy enables rapid, depth‐resolved chemical analysis of complex oxide thin films and interfaces. The study validates its quantitative capability for perovskites and oxygen non‐stoichiometry, benchmarking against state‐of‐the‐art techniques.
Lisa Laa   +10 more
wiley   +1 more source

Remoçao a Laser de Cabos-Eletrodos de Marcapassos e Cardioversores-Desfibriladores Implantáveis

open access: yesJournal of Cardiac Arrhythmias, 2003
A remoçao de cabos-eletrodos de marcapassos e cardioversores-desfibriladores é um problema técnico de difícil soluçao, razao pela qual as técnicas usadas no procedimento estao sendo continuamente aperfeiçoadas.
Elizabeth Sartori CREVELARI   +3 more
doaj   +4 more sources

Multiplex electric discharge gas laser system [PDF]

open access: yes, 1987
A multiple pulse electric discharge gas laser system is described in which a plurality of pulsed electric discharge gas lasers are supported in a common housing. Each laser is supplied with excitation pulses from a separate power supply.
Laudenslager, James B.   +1 more
core   +1 more source

Tailored Nickel Oxide Interfacial Layers Unlock Enhanced Charge Dynamics in LaTiOxNy Thin Film Photoanodes

open access: yesAdvanced Materials Interfaces, EarlyView.
This study highlights the importance of designing photoanode architectures for solar water splitting that align intrinsic material properties with functional interfaces to optimize the extraction of photogenerated charges. The incorporation of NiOx surface layers in LaTiO2.5N0.5 (LTON) thin film photoanodes exemplifies this approach by leveraging band ...
Eric Burns   +4 more
wiley   +1 more source

Eyelid hygiene as a tool for prevention and treatment of complications due to ocular surface diseases in early post-LASIK period

open access: yesOftalʹmologiâ, 2014
Purpose: to analyze the effect of eyelid hygiene and therapy on early post-op period following excimer laser refractive surgery.Methods: 144 patients (288 eyes) aged 18-57 yrs who underwent excimer laser vision correction (LASIK) were followed.
V. V. Kurenkov   +3 more
doaj   +3 more sources

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