Buscar
Mostrando ítems 171-180 de 633
Artículo
![Con acceso al texto completo Icon](/themes/idUS//images/acceso/opened_access.png)
Tweenager computer visual syndrome due to tablets and laptops during the postlockdown COVID-19 pandemic and the influence on the binocular and accommodative system.
(MDPI, 2022)
The aim of our study was to compare computer visual syndrome (CVS) in a tweenager student population who use tablets and laptops only to play versus CVS in tweenagers who use these digital devices at school to study, in ...
Artículo
![Con acceso al texto completo Icon](/themes/idUS//images/acceso/opened_access.png)
Biological strategy for the fabrication of highly ordered aragonite helices: the microstructure of the cavolinioidean gastropods
(Nature Publishing Group, 2016)
The Cavolinioidea are planktonic gastropods which construct their shells with the so-called aragonitic helical fibrous microstructure, consisting of a highly ordered arrangement of helically coiled interlocking continuous ...
Artículo
![Con acceso al texto completo Icon](/themes/idUS//images/acceso/opened_access.png)
Rigid Gas-Permeable Semi-Scleral Contact Lenses after Radial Keratotomy: Apical Space, Lens Diameter, Limbal Clearance, Peripheral O-Rings, and Tear Exchange as Contact-Lens-Fitting Success Factors
(MDPI, 2022)
The purpose of this case report is to verify if the adaptation of a rigid gas-permeable contact lens can improve VA and comfort in a patient with complications derived from radial keratotomy (RK) surgery. A semi-scleral ...
Artículo
![Con acceso al texto completo Icon](/themes/idUS//images/acceso/opened_access.png)
Sintering and Characterization Studies of NiO
(EDP Sciences, 1986)
Des polycristaux de NiO de haute pureté ont été élaborés par frittage avec et sans charge. Ils ont été caractérisés par microscopie optique et électronique. Leur comportement en fluage a été étudié au dessus de 1200°C.
Artículo
![Con acceso al texto completo Icon](/themes/idUS//images/acceso/opened_access.png)
On the use of JMAK theory to describe mechanical amorphization: a comparison between experiments, numerical solutions and simulations
(MDPI, 2018)
The kinetics of amorphization during ball milling is generally analyzed using two different approaches: the classical Johnson-Mehl-Avrami-Kolmogorov (JMAK) theory and Delogu and Cocco’s model for which a region ...
Artículo
![Con acceso al texto completo Icon](/themes/idUS//images/acceso/opened_access.png)
Amorphization and evolution of magnetic properties during mechanical alloying of Co62Nb6Zr2B30: dependence on starting boron microstructure
(Elsevier, 2014)
Co62Nb6Zr2B30 composition was mechanically alloyed using three different types of boron powders in the starting mixture: crystalline β-B, commercial amorphous B and optimized amorphous B via ball milling. Using optimized ...
Artículo
![Con acceso al texto completo Icon](/themes/idUS//images/acceso/opened_access.png)
A chronobiological evaluation of the risks of canceling Daylight Saving Time
(Taylor and Francis, 2022)
The long term impact of seasonal regulation of clocks (Daylight Saving Time) is analyzed showing that it helped to mitigate the advance of the phase of human activity during the 20th century and the exposition to the hours ...
Artículo
![Con acceso al texto completo Icon](/themes/idUS//images/acceso/opened_access.png)
Análisis de la microfábrica del cuarzo en los resister cuarcíticos de la zona de cizalla dúctil de la Garganta de las Pozas, parte central del Macizo de Gredos
(Sociedad Geológica de España, 2007)
The NE-SW «Garganta de las Pozas» ductile shear zone goes along the contact between one of the granodioritic sheets mapped and the «Refugio del Rey» anatectic complex. As well as the descriptive work, it has been determined ...
Artículo
![Con acceso al texto completo Icon](/themes/idUS//images/acceso/opened_access.png)
Lattice-Energy Calculations on Organometallic Compounds
(International Union of Crystallography, 1988)
Lattice-energy calculations in the atom-atom approach have been performed for five organometallic com pounds of previously determined crystal structure. Minimization of energy in terms of positional, orienta tional, ...
Artículo
![Con acceso al texto completo Icon](/themes/idUS//images/acceso/opened_access.png)
Mutation in ROBO3 Gene in Patients with Horizontal Gaze Palsy with Progressive Scoliosis Syndrome: A Systematic Review
(MDPI, 2020)
Horizontal gaze palsy with progressive scoliosis (HGPPS) is a rare, inherited disorder characterized by a congenital absence of conjugate horizontal eye movements with progressive scoliosis developing in childhood and ...