Results 61 to 70 of about 267,753 (326)

Interactions between Molten High‐Silicon Electrical Steels and Carbon‐Bonded MgO Refractories Based on Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines how several molten high‐silicon electrical steels interact with both conventional and recycled MgO–C refractories. For this, various immersion experiments are conducted. In addition to infiltration, a number of mechanisms are identified and explained that control the corrosion of the refractory material.
Lukas Neubert   +7 more
wiley   +1 more source

The 2023 Flight of the Faint Intergalactic-medium Redshifted Emission Balloon

open access: yesThe Astrophysical Journal Supplement Series
The second iteration of the Faint Intergalactic-medium Redshifted Emission Balloon (FIREBall-2) is a UV multiobject spectrograph designed to detect emission from the circumgalactic and circumquasar medium at low redshifts ( z < 1).
Drew M. Miles   +36 more
doaj   +1 more source

Far-UV FUSE spectroscopy of the OVI resonance doublet in Sand2 (WO) [PDF]

open access: yes, 2000
We present Far-Ultraviolet Spectroscopic Explorer (FUSE) spectroscopy of Sand 2, a LMC WO-type Wolf-Rayet star, revealing the OVI resonance P Cygni doublet at 1032-38A.
Barlow   +12 more
core   +2 more sources

High-resolution FUSE and HST ultraviolet spectroscopy of the white dwarf central star of Sh 2-216

open access: yes, 2007
LS V +4621 is the DAO-type central star of the planetary nebula Sh 2-216. We perform a comprehensive spectral analysis of high-resolution, high-S/N ultraviolet observations obtained with FUSE and STIS aboard the HST as well as the optical spectrum of LS ...
Althaus   +63 more
core   +2 more sources

Interaction between Molten Al‐Killed Mn–B Steel and Carbon‐Bonded MgO Refractories Based on Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
High‐temperature interactions between low‐sulfur Al‐killed Mn–B steel and MgO–C refractories (0 and 50 wt% recyclates) are studied via finger immersion tests (1600 °C). Surface‐active elements influence infiltration. MgO/CaS layer forms, along with spinel and calcium silicate.
Matheus Roberto Bellé   +5 more
wiley   +1 more source

Sonochemical fabrication of nanocryatalline titanium dioxide (TiO2) in cotton fiber for durable ultraviolet resistance

open access: yesJournal of Natural Fibers, 2020
A facile approach to in situ sonosynthesis and fabrication of nanocrystalline titanium dioxide (TiO2) in cotton fiber via low temperature sol-gel technique for superior ultraviolet resistance has been studied.
Mohammad Neaz Morshed   +5 more
doaj   +1 more source

Pyrene, a Test Case for Deep-Ultraviolet Molecular Photophysics [PDF]

open access: yes, 2019
We determined the complete relaxation dynamics of pyrene in ethanol from the second bright state, employing experimental and theoretical broadband heterodyne detected transient grating and two-dimensional photon echo (2DPE) spectroscopy, using pulses ...
Garavelli, M.   +6 more
core   +2 more sources

Influence of an Argon/Silane Atmosphere on the Temperature of a Thermal Plasma

open access: yesAdvanced Engineering Materials, EarlyView.
The influence of a silane‐doped argon atmosphere on the chemical composition and temperature of a thermal nontransferring argon plasma is investigated using optical emission spectroscopy. As a result of the high amount of free electrons resulting from the stepwise ionization and dissociation of the silane molecule, even a silane addition of 0.01 vol ...
Lena Kreie   +4 more
wiley   +1 more source

PREDICTION OF PHYSICOCHEMICAL PROPERTIES OF FCC FEEDSTOCK BY CHEMOMETRIC ANALYSIS OF THEIR ULTRAVIOLET SPECTRUM PREDICCIÓN DE PROPIEDADES FISICOQUÍMICAS DE CARGAS A FCC MEDIANTE EL ANÁLISIS QUIMIOMÉTRICO DE SUS ESPECTROS ULTRAVIOLETA

open access: yesCT&F Ciencia, Tecnología & Futuro, 2008
Chemometric analysis by Partial Least Squares (PLS) has been applied in this work to correlate the ultraviolet spectrum of combined Fluid Catalytic Cracking (FCC) feedstocks with their physicochemical properties.
Carlos-A. Baldrich Ferrer
doaj  

Microspherical glass additives as coating degradation promoters for UV degradable polymers

open access: yesPhysics of Complex Systems
This study investigates the effect produced by microspherical glass additives on ultraviolet-induced degradation of polymethyl methacrylate films using electrochemical impedance spectroscopy.
Кирилл Львович Левин   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy