Results 61 to 70 of about 14,611,742 (406)

Control of beam propagation in optically written waveguides beyond the paraxial approximation

open access: yes, 2013
Beam propagation beyond the paraxial approximation is studied in an optically written waveguide structure. The waveguide structure that leads to diffractionless light propagation, is imprinted on a medium consisting of a five-level atomic vapor driven by
Dey, T. N., Evers, J., Zhang, L.
core   +1 more source

Giant Goos-Hanchen effect at the reflection from left-handed metamaterials [PDF]

open access: yes, 2003
We study the beam reflection from a layered structure with a left-handed metamaterial. We predict a giant lateral (Goos-Hanchen) shift and splitting of the beam due to the resonant excitation of surface polaritons with a vortex-like energy flow between ...
Kivshar, Yuri S.   +2 more
core   +3 more sources

Analysis of Strengths of Reinforced Concrete Beam Structures with CFRP Sheet Using Abaqus Software 6.14

open access: yesJurnal Teknik Sipil dan Perencanaan, 2019
. Concrete beams are parts of a structure that serves as a channeling moment to the column structure. The structure of the beam which has undergone yielding reinforcement must be repaired.
Ahmad Yasir   +3 more
doaj   +1 more source

Sensitivity Optimization of Surface Acoustic Wave Yarn Tension Sensor Based on Elastic Beam Theory

open access: yesSensors, 2022
The measurement of yarn tension has a direct impact on the product quality and production efficiency in the textile manufacturing process, and the surface acoustic wave (SAW) yarn tension sensor is a good option for detecting the yarn tension.
Yong Ding, Lili Gao, Wenke Lu
doaj   +1 more source

Subsidence Prediction of Overburden Strata and Surface Based on the Voussoir Beam Structure Theory

open access: yesAdvance in Civil Engineering, 2018
The hard and stiff strata (key strata) bear the overburden load in the form of a voussoir beam structure (VBS) after break. The VBS affects both the surface subsidence and the stope underground pressure.
Changchun He, Jialin Xu
semanticscholar   +1 more source

Hydrogen storage by earth-abundant metals, synthesis and characterization of Al3FeH3.9

open access: yesMaterials & Design, 2021
Among the various functionalities of hydrides, their use in hydrogen storage has been the most intensively studied because hydrides can store hydrogen compactly and safely. Thus, hydrides are key materials for the hydrogen economy.
Hiroyuki Saitoh   +11 more
doaj  

Application of the Lagrange Equation for Intelligent Sensor Vibration Control for Power Network Monitoring

open access: yesInternational Transactions on Electrical Energy Systems, 2022
Objective. In order to control the vibration of the beam structure more effectively and improve the safety and availability of the beam structure, an application study of the Lagrange equation for vibration control of smart sensors for power grid ...
Xiaojing Cheng
doaj   +1 more source

Design of a 3 GHz Accelerator Structure for the CLIC Test Facility (CTF 3) Drive Beam [PDF]

open access: yes, 2000
For the CLIC two-beam scheme, a high-current, long-pulse drive beam is required for RF power generation. Taking advantage of the 3 GHz klystrons available at the LEP injector once LEP stops, a 180 MeV electron accelerator is being constructed for a ...
Carron, G.   +6 more
core   +1 more source

Unconventional mRNA processing and degradation pathways for the polycistronic yrzI (spyTA) mRNA in Bacillus subtilis

open access: yesFEBS Letters, EarlyView.
The S1025 peptide is the major antidote to the YrzI toxin, which we renamed here as SpyT (Small Peptide YrzI Toxin) and SpyA (Small Peptide YrzI Antitoxin) (1). Degradation of the toxin–antitoxin spyTA mRNA, either by a translation‐dependent cleavage by the endoribonuclease Rae1 (2) or by direct attack by 3′‐exoribonucleases (3), also contributes to ...
Laetitia Gilet   +4 more
wiley   +1 more source

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