Results 11 to 20 of about 54,335 (262)

Phase Diagrams of Carbonate Materials at High Pressures, with Implications for Melting and Carbon Cycling in the Deep Earth

open access: yesGeophysical Monograph Series, Page 137-165., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Konstantin Litasov   +3 more
wiley  

+3 more sources

The Deceptive COVID-19: Lessons from Common Molecular Diagnostics and a Novel Plan for the Prevention of the Next Pandemic

open access: yesDiseases, 2023
The COVID-19 pandemic took place during the years 2020–2022 and the virus, named SARS-CoV-2, seems likely to have resulted in an endemic disease. Nevertheless, widespread COVID-19 has given rise to several major molecular diagnostics’ facts and concerns ...
Dimitra S. Mouliou
doaj   +1 more source

Progress in the application of nanotechnology to magnesia refractories

open access: yes工程科学学报, 2021
Magnesia refractories are promising high-temperature structural materials known for their high melting point, excellent high-temperature stability, and promising mechanical properties, which make them suitable for numerous high-temperature applications ...
Jia-liang ZHAO   +3 more
doaj   +1 more source

Efficacy of low volume transanal irrigation in children with retentive fecal incontinence: A randomized controlled trial. [PDF]

open access: yesJ Pediatr Gastroenterol Nutr
Abstract Objectives To assess whether low‐volume transanal irrigation (L‐TAI) is effective as add‐on to oral laxative therapy for children with functional constipation and retentive fecal incontinence. Methods Two‐arm randomized controlled trial, including children aged 4–14 suffering from retentive fecal incontinence.
Larsen SØ   +7 more
europepmc   +2 more sources

Sintered properties and sintering behavior of MgO-ZrO2 composite hydrogel prepared by coprecipitation technique [PDF]

open access: yesScience of Sintering, 2012
Active precursor powders of MgO-ZrO2 composite system were prepared in three different mole ratio by electrolytic interaction of inorganic salts in aqueous phase.
Das Sukhen, Mitra N.K., Das Sudip
doaj   +1 more source

Development of Magnesium/Calcium Oxalate Cements

open access: yesMateriales de Construccion, 2023
Magnesium oxalate cement, a novel alternative to portland cement, can be made at room temperature by reacting dead-burned magnesia and salts of oxalic acid.
Baki Aykut Bilginer   +1 more
doaj   +1 more source

Development and potential of composite moderators for elevated temperature nuclear applications

open access: yesJournal of Asian Ceramic Societies, 2022
Neutron moderators, such as nuclear-grade graphite, are essential components of high-temperature nuclear reactors. Their primary functions are to degrade the energy of fission-born neutrons into an energy range that promotes further fission and to serve ...
Lance L Snead   +7 more
doaj   +1 more source

Research Status of Slag Corrosion Resistance in Magnesia Chrome Refractories Applied in Copper Metallurgy

open access: yesKuangchan zonghe liyong, 2023
This is a paper in the field of ceramic materials for metallurgy. Magnesia chrome refractory is widely used in copper industry due to its excellent high temperature strength, fine slag corrosion resistance and good performance.
Guolong Ni, Shuhuan Wang, Qun Li
doaj   +1 more source

Gas and surface diffusion in modified γ-alumina systems [PDF]

open access: yes, 1989
The transport of pure gases through a microporous membrane is described. The alumina-based membrane (pores 2.5-4 nm) is suitable for Knudsen diffusion separation.
Burggraaf, A.J.   +2 more
core   +2 more sources

Thermodynamic Modelling on Nanoscale Growth of Magnesia Inclusion in Fe-O-Mg Melt

open access: yesMetals, 2019
Nano-magnesia is the intermediate product during the growth of magnesia inclusion in Mg-deoxidized steel. Understanding the thermodynamics on nano-magnesia is important to explore the relationship between magnesia product size and deoxidation reaction in
Yuanyou Xiao   +5 more
doaj   +1 more source

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