Results 51 to 60 of about 66,801 (276)

In situ characterization of high-temperature mechanical behaviors of freestanding Si, BSAS and Yb2SiO5 environmental barrier coatings by three-point bending tests based on digital image correlation

open access: yesResults in Surfaces and Interfaces, 2023
The high-temperature mechanical properties and failure mechanisms of Si, BSAS and Yb2SiO5 ceramic materials are important for environmental barrier coatings.
Xizhi Fan   +5 more
doaj   +1 more source

Padé Approximant and Minimax Rational Approximation in Standard Cosmology

open access: yesGalaxies, 2016
The luminosity distance in the standard cosmology as given by ΛCDM and, consequently, the distance modulus for supernovae can be defined by the Padé approximant.
Lorenzo Zaninetti
doaj   +1 more source

Numerical Analysis of Occupant Head Injuries in Impacts with Dump Truck Panel

open access: yesApplied Bionics and Biomechanics, 2018
The human head will inevitably impact on the panel causing injury due to the inertia during dump truck collisions or emergency braking. Therefore, this paper aims to analyze the effects of panel design parameters on occupant head injuries via simulations
Shence Wang, Deshun Liu, Zhihua Cai
doaj   +1 more source

Utilization of waste dolomite dust in carbon fiber reinforced vinylester composites

open access: yesJournal of Materials Research and Technology, 2022
The present study was designed to explore the applicability of dolomite dust (a waste from a dolomite quarry) as filler in polymer composites. Therefore, fixed carbon fiber reinforced vinyl ester composites with varying dolomite dust proportions (0, 5 ...
Brijesh Gangil   +3 more
doaj   +1 more source

Distance between a Maximum Modulus Point and Zero Set of an Entire Function [PDF]

open access: yesComplex Variables, Theory and Application: An International Journal, 2003
Let f be an entire function of finite positive order. A maximum modulus point is a point w such that |f(w)|= max {|f(z)|:|z=|w|}. We obtain lower bounds for the distance between a maximum modulus point w and the zero set of f. These bounds are valid for all sufficiently large values of |w|.
Ostrovskii, I., Üreyen, A. E.
openaire   +2 more sources

STUDY ON MECHANICAL PROPERTIES OF POROUS STRUCTURES BASED ON TPMS

open access: yesJixie qiangdu, 2022
In order to explore the influence of different TPMS pore structures on the mechanical properties of the porous scaffold, TPMS expressed by implicit function was used as the basic pore unit to construct the micro-porous structure.
WANG MaoHua   +5 more
doaj  

Random Dynamic Response Characteristics of Pipeline Subjected to Blasting Cylindrical SH Waves

open access: yesShock and Vibration, 2021
It is essential to investigate the influence of blasting vibrations on pipelines, and the dynamic response is the crux in the safety issues. At present, the blasting seismic wave is usually regarded as a plane wave.
Shiwei Lu, Heng Zhang, Ling Ji
doaj   +1 more source

The Hubble Diagram: Jump from Supernovae to Gamma-ray Bursts

open access: yesUniverse, 2022
The Hubble diagram (HD) is a plot that contains a luminous distance modulus presented with respect to the redshift. The distance modulus–redshift relation of the most well-known “standard candles”, the type Ia supernovae (SN), is a crucial tool in ...
Nikita Yu. Lovyagin   +3 more
doaj   +1 more source

BV CCD Photometry of M71: Distance and Age [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2004
We present BV CCD photometry of metal-rich globular cluster M71. Based on our color-magnitude diagram (CMD), we derive the distance to M71 using a sample of Hipparcos subdwarfs of similar metallicity. Our distance modulus is (m-M)V=13.46(± 0.17).
Hong-Suh Yim   +3 more
doaj   +1 more source

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