Results 21 to 30 of about 2,988,369 (299)

On the Validity of the Relationship 1/T = 1/TB+1/TS+1/TD in NMR Techniques With Regards to Permeability Estimation of Natural Porous Media

open access: yesFrontiers in Earth Science, 2021
One of the most relevant feature of geophysical techniques based on nuclear magnetic resonance is their ability to estimate the permeability of natural porous media, since other geophysical techniques, as the use of the formation factor and neutron well ...
Jesús Díaz-Curiel   +4 more
doaj   +1 more source

Holographic Probes of Anti-de Sitter Spacetimes [PDF]

open access: yes, 1998
We describe probes of anti-de Sitter spacetimes in terms of conformal field theories on the AdS boundary. Our basic tool is a formula that relates bulk and boundary states -- classical bulk field configurations are dual to expectation values of operators
Balasubramanian, Vijay   +3 more
core   +2 more sources

Stress-Tuned Optical Transitions in Layered 1T-MX2 (M=Hf, Zr, Sn; X=S, Se) Crystals

open access: yesNanomaterials, 2022
Optical measurements under externally applied stresses allow us to study the materials’ electronic structure by comparing the pressure evolution of optical peaks obtained from experiments and theoretical calculations.
Miłosz Rybak   +7 more
doaj   +1 more source

Bulking I: An abstract theory of bulking

open access: yesTheoretical Computer Science, 2011
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Delorme, Marianne   +3 more
openaire   +4 more sources

Hodge Duality on the Brane [PDF]

open access: yes, 2000
It has been claimed that whereas scalars can be bound to a Randall-Sundrum brane, higher p-form potentials cannot, in contradiction with the Hodge duality between 0-form and 3-form potentials in the five-dimensional bulk.
Bajc   +13 more
core   +2 more sources

Mechanical Behavior and Microstructure Evolution of a Ti-15Mo/TiB Titanium–Matrix Composite during Hot Deformation

open access: yesMetals, 2019
A Ti-15Mo/TiB titanium−matrix composite (TMC) was produced by spark plasma sintering at 1400 °C under a load of 40 MPa for 15 min using a Ti-14.25(wt.)%Mo-5(wt.)%TiB2 powder mixture.
Sergey Zherebtsov   +5 more
doaj   +1 more source

Effect of Hot Rolling on the Microstructure and Mechanical Properties of a Ti-15Mo/TiB Metal-Matrix Composite

open access: yesMetals, 2019
A Ti-15Mo/TiB metal matrix composite was produced by the spark plasma sintering process at 1400 °C using a Ti-14.25 wt.% Mo-5 wt.% TiB2 powder mixture.
Sergey Zherebtsov   +6 more
doaj   +1 more source

General Bulk-Viscous Solutions and Estimates of Bulk Viscosity in the Cosmic Fluid [PDF]

open access: yes, 2016
We derive a general formalism for bulk viscous solutions of the energy-conservation-equation for $\rho(a,\zeta)$, both for a single-component and a multicomponent fluid in the Friedmann universe.
Brevik, Iver, Normann, Ben David
core   +3 more sources

Structure and Properties of Amorphous Quasi-High-Entropy Fe-Co-Ni-Cr-(Mo,V)-B Alloys with Various Boron Content

open access: yesMetals, 2023
This study focuses on the effect of replacing molybdenum with vanadium in rapidly quenched quasi-high-entropy alloys of the Fe-Co-Ni-Cr-(Mo,V)-B system.
Andrey Bazlov   +5 more
doaj   +1 more source

Brane Couplings from Bulk Loops [PDF]

open access: yes, 2000
We compute loop corrections to the effective action of a field theory on a five-dimensional $S_1/Z_2$ orbifold. We find that the quantum loop effects of interactions in the bulk produce infinite contributions that require renormalization by four ...
Aaron K. Grant   +8 more
core   +4 more sources

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