Results 21 to 30 of about 10,174 (239)

Desain Antena Reflektor Parabola untuk Aplikasi Radar Maritim dengan Rekayasa Feed Horn

open access: yesJurnal Elkomika, 2023
ABSTRAK Pada studi ini dilakukan analisis penambahan batang metal berbentuk persegi di dalam feed horn piramida antena reflektor parabola untuk meningkatkan performansi gain, beamwidth dan side lobe level.
EFRI SANDI   +2 more
doaj   +1 more source

Una parábola más [PDF]

open access: yes, 1998
Nuño, A. (1998). Una parábola más. La madriguera. (12):71-71.
Nuño, Ana
core  

Direct Metal Deposition of Graphene–Ti28Nb35.4Zr Matrix Composites With Enhanced Mechanical, Corrosion, and Biocompatibility Properties for Bone Implants

open access: yesAdvanced Engineering Materials, EarlyView.
Graphene nanoplatelet (0.1 wt.%) reinforcement significantly enhances the performance of β Ti‐28Nb‐35.4Zr alloy. Grain refinement, reduced water contact angle, and improved surface characteristics promote osteoblast adhesion and complete surface coverage after 7 days.
Khurram Munir   +5 more
wiley   +1 more source

”ASYMPTOTIC PARABOLA” FITS FOR SMOOTHING GENERALLY ASYMMETRIC LIGHT CURVES

open access: yesOdessa Astronomical Publications, 2016
A computer program is introduced, which allows to determine statistically optimal approximation using the "Asymptotic Parabola" fit, or, in other words, the spline consisting of polynomials of order 1,2,1, or two lines ("asymptotes") connected with a ...
K. D. Andrych   +3 more
doaj   +1 more source

On the structure of self-affine Jordan arcs in ℝ2

open access: yesDemonstratio Mathematica, 2023
We prove that if a self-affine arc γ∈R2\gamma \in {{\mathbb{R}}}^{2} does not satisfy weak separation condition, then it is a segment of a parabola or a straight line.
Tetenov Andrei, Kutlimuratov Allanazar
doaj   +1 more source

In Situ Micromechanical Study of Bimodal γ′–γ″ Precipitate Assemblies in Ni–Cr–Al–Nb Superalloy

open access: yesAdvanced Engineering Materials, EarlyView.
A Ni–Cr–Al–Nb superalloy with a bimodal γ′–γ″ precipitate distribution is developed. Composite precipitate assemblies form through heterogeneous nucleation, effectively impeding dislocation motion. Micropillar compression reveals high strength at room and elevated temperatures, governed by precipitate shearing, with coupled faulting mechanisms ...
Ujjval Bansal   +4 more
wiley   +1 more source

¿Quién es mi prójimo?

open access: yesEstudios Eclesiásticos, 1966
El estudio profundo y serio de la parábola del Buen Samaritano (Lc 10,25.37) ha presentado a lo largo de los años numerosas dificultades a la hora de ser estudiada. Esto se debe a tres problemas principales.
José R. de Diego
doaj  

Parábola

open access: yes, 2020
La parábola es el lugar geométrico de los puntos sobre la curva que se mueven de tal forma que siempre equidistan de un punto fijo llamado foco y de una recta fija llamada ...
Meneses Soto, Rivelino
core  

Triple Junctions as Dislocation‐Like Defects: The Role of Grain Boundary Crystallography Revealed by Experiment and Atomistic Simulation

open access: yesAdvanced Engineering Materials, EarlyView.
Grain boundary triple junctions are an essential ingredient of the microstructure of polycrystalline materials. In this study, a triple junction is observed using atomic‐resolution scanning transmission electron microscopy and characterized. Computer simulations reveal that the junction has a dislocation character that is determined by the joining ...
Tobias Brink   +4 more
wiley   +1 more source

Multi-objective optimization of a type of ellipse-parabola shaped superelastic flexure hinge [PDF]

open access: yesMechanical Sciences, 2016
Flexure hinges made of superelastic materials is a promising candidate to enhance the movability of compliant mechanisms. In this paper, we focus on the multi-objective optimization of a type of ellipse-parabola shaped superelastic flexure hinge.
Z. Du, M. Yang, W. Dong
doaj   +1 more source

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