Results 31 to 40 of about 3,084,963 (320)

Probing local pressure environment in anvil cells with nitrogen vacancy (NV-) centers in diamond [PDF]

open access: yesPhys. Rev. Applied 13, 024041 (2020), 2020
Important discoveries have frequently been made through the studies of matter under high pressure. The conditions of the pressure environment are important for the interpretation of the experimental results. Due to various restrictions inside the pressure cell, detailed information relevant to the pressure environment, such as the pressure distribution,
arxiv   +1 more source

High Pressure Treatment in Foods [PDF]

open access: yesFoods, 2014
High hydrostatic pressure (HHP), a non-thermal technology, which typically uses water as a pressure transfer medium, is characterized by a minimal impact on food characteristics (sensory, nutritional, and functional). Today, this technology, present in many food companies, can effectively inactivate bacterial cells and many enzymes.
Torres Bello, Edwin Fabian   +4 more
openaire   +4 more sources

In situ high-pressure spectroscopic studies using moissanite (4H-SiC) anvils

open access: yesAIP Advances, 2018
We examined the Raman scattering and IR absorption spectroscopy of 4H-SiC and its performance as an anvil material for high-pressure UV-visible absorption spectroscopic measurements.
Jinbo Zhang   +7 more
doaj   +1 more source

High-Pressure Phases of Silane [PDF]

open access: yesPhysical Review Letters, 2006
It has been suggested that hydrogen may metallise at lower pressures if it is ``precompressed''. Here we introduce a search strategy for predicting high-pressure structures and apply it to silane using first-principles electronic structure computations.
Pickard, CJ, Needs, RJ
openaire   +5 more sources

High-Pressure Freezing

open access: yes, 2005
In the last two decades, high-pressure freezing has drawn the attention of many food researchers, mainly due to its potential for improving the kinetics of freezing and the characteristics of the ice crystals formed. This chapter examines the process in depth.
Sanz Martínez, Pedro Dimas   +1 more
openaire   +2 more sources

A histidine‐rich extension of the mitochondrial F0 subunit ATP6 from the ice worm Mesenchytraeus solifugus increases ATP synthase activity in bacteria

open access: yesFEBS Letters, EarlyView.
The glacier ice worm Mesenchytraeus solifugus survives year‐round at 0 °C. Its ATP6 subunit, which forms a regulatory component of the proton pore in mitochondrial ATP synthase, has a carboxy‐terminal extension not found in any other organism examined to date. Here, we show that fusion of this extension to the homologous AtpB protein in E. coli results
Truman Dunkley   +2 more
wiley   +1 more source

InGaN multiquantum wells—problem of carrier injection

open access: yesScientific Reports
This study addresses the issue of effective carrier injection to quantum wells in laser diode structures. The nitride light emitting structures used in this study were fabricated by Metal-Organic Vapor Phase Epitaxy (MOVPE).
Agata Bojarska-Cieślińska   +4 more
doaj   +1 more source

Recent advances in high-pressure science and technology

open access: yesMatter and Radiation at Extremes, 2016
Recently we are witnessing the boom of high-pressure science and technology from a small niche field to becoming a major dimension in physical sciences.
Ho-Kwang Mao   +6 more
doaj   +1 more source

Relationship between hydrogeochemical characteristics of hot springs and seismic activity in the Jinshajiang fault zone, Southeast Tibetan Plateau

open access: yesFrontiers in Earth Science, 2023
Significant anomalous hydrogeochemical changes in hot spring water are detected during strong seismic cycles. It is now necessary to clarify the relationship between tectonic movements, earthquakes and the evolution of hot springs.
Jie Liu   +9 more
doaj   +1 more source

High Pressure Effects on Thermal Properties of MgO [PDF]

open access: yes, 1995
Using the non-empirical Variational Induced Breathing (VIB) model, the thermal properties of periclase (MgO) under high pressures and temperatures are investigated using molecular dynamics, which includes all anharmonic effects. Equations of state for temperatures up to 3000K and pressures up to 310 GPa were calculated.
arxiv   +1 more source

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