Results 11 to 20 of about 55,674 (265)

Effect of Inclination of Rectangular Reinforced Concrete Short Columns on the Confinement [PDF]

Engineering and Technology Journal, 2021
The main objective of this paper is to study the confinement of the rectangular reinforced concrete short inclined columns. This paper was based on theoretical analysis using the MATLAB program according to Universal Codes, and variables that were ...
Eyad Sayhood, Bassman Muhammed, Ahmed Hatem   +2 more
doaj   +1 more source

Dispersion and nonlinearity properties of small solid-core photonic fibers with As2Se3 substrate

Tạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, 2021
Characteristics of As2Se3 photonic crystal fibers (PCFs) with a solid-core and small-core diameter are numerically investigated in the long-wavelength range (from 2 to 10 μm).
Thi Thuy Nguyen, Trong Duc Hoang, Tran Bao Tran Le, Van Trong Dang, Van Lanh Chu   +4 more
doaj   +1 more source

Depression, anxiety and stress levels in a Mexican sample during confinement by COVID-19

Revista de Psicología y Ciencias del Comportamiento de la Unidad Académica de Ciencias Jurídicas y Sociales, 2021
Social confinement by COVID-19 affects mental health. Therefore, the objectives were: 1) to determine the levels of depression, anxiety and stress during the confinement by strata 2) to analyze the changes before and during the confinement ...
Teresa Aspera-Campos , Rodrigo César León-Hernández , Roandy Gaspar Hernandez-Carranco   +2 more
doaj   +1 more source

The dependence of tokamak L-mode confinement on magnetic field and plasma size, from a magnetic field scan experiment at ASDEX Upgrade to full-radius integrated modelling and fusion reactor predictions

Nuclear Fusion, 2023
The dependence of the confinement of a tokamak plasma in L-mode on the magnetic field is explored with a set of dedicated experiments in ASDEX Upgrade and with a theory-based full-radius modelling approach, based on the ASTRA transport code and the TGLF ...
C. Angioni, N. Bonanomi, E. Fable, P.A. Schneider, G. Tardini, T. Luda, G.M. Staebler, the ASDEX Upgrade Team   +7 more
doaj   +1 more source

Investigation of multilayer planar hybrid plasmonic waveguide and bends

Electronics Letters, 2016
Hybrid metal insulator metal plasmonic waveguide has been investigated at 1550 nm wavelength using frequency‐domain electromagnetic solver of computer simulation technology microwave studio.
P. Sharma, V.D. Kumar
doaj   +1 more source

Confinement Effect of Concrete-Filled Steel Tube Columns With Infill Concrete of Different Strength Grades

Frontiers in Materials, 2019
Concrete-filled steel tube (CFST) columns are increasingly used in composite construction. Under axial compression, the steel tube will sustain partial axial force and meanwhile provides the confinement to the infill concrete.
Liusheng He, Liusheng He, Siqi Lin, Huanjun Jiang, Huanjun Jiang   +4 more
doaj   +1 more source

Parametric Investigation of the Effects of Localization and Slenderness on the Stress–Strain Response and Confinement Efficiency in FRP-Wrapped Concrete Cylinders

Applied Sciences, 2020
In order to improve the efficiency of fiber reinforced plastics (FRP) confinement as a method to repair and strengthen concrete structures, a parametric analysis was carried out to investigate the effects of cylinder slenderness and the stiffness of the ...
Mazen Tabbara, Gebran Karam
doaj   +1 more source

High quality factor confined Tamm modes

Scientific Reports, 2017
AbstractWe demonstrate that quality factors up to 5000 can be obtained in Tamm-like hybrid metal/semiconductor structures. To do this, a Bragg mirror is covered by a thin transparent layer and a metallic film. The reduced losses of these modes are related to an intermediate behavior between conventional Tamm plasmon and Bragg modes lying deeper in the ...
Symonds, Clémentine, Azzini, S., Lheureux, G., Piednoir, Agnès, Benoit, Jean-Michel, Lemaitre, A., Senellart, P., Bellessa, Joël   +7 more
openaire   +3 more sources

Risk Factors for Working in Confined Spaces: Contributions for Psychosocial Assessment

Paidéia (Ribeirão Preto), 2022
Abstract The recommendation of standards for companies supports the safety of workers. This study aimed to describe the psychosocial risk factors perceived by personnel that work in confined spaces. Qualitative study, conducted via interviews with 50 employees.
Monica Augusta Mombelli, Roberta Alvarenga Reis, Adriana Zilly, Maria Helena Palucci Marziale, Werner Olinto Amorim Braga, Claudia Benedita dos Santos   +5 more
openaire   +4 more sources

Confinement in two-dimensional models with factorization

Physics Letters B, 1979
Abstract We show that the particle triplet of the O(3) σ-model can be obtained from the SU(2) bound state model by letting the (quark) mass of the fundamental particle approach infinity.
M. Karowski, V. Kurak, B. Schroer
openaire   +1 more source