Results 1 to 10 of about 5,051,620 (279)

Effect of oxygen containing compounds in uranium tetrafluoride on its non-adiabatic calciothermic reduction characteristics

open access: yesNuclear Engineering and Technology, 2021
Uranium ingot is produced by metallothermic reduction of uranium tetrafluoride using magnesium or calcium as reductant. Presence of oxygen containing compounds viz.
Sonal Gupta   +3 more
doaj   +1 more source

Effect of process parameters on the recovery of thorium tetrafluoride prepared by hydrofluorination of thorium oxide, and their optimization

open access: yesNuclear Engineering and Technology, 2022
Liquid fueled molten salt reactors (MSRs) have seen renewed interest because of their inherent safety features, higher thermal efficiency and potential for efficient thorium utilisation for power generation.
Raj Kumar   +4 more
doaj   +1 more source

Numerical simulation of proppant transport from a horizontal well into a perforation using computational fluid dynamics

open access: yesNatural Gas Industry B, 2023
With the increasing global demand for oil and gas, the development of unconventional resources such as shale gas is becoming ever more important.
Tiankui Guo   +6 more
doaj   +1 more source

Acknowledgment to Reviewers of Machine Learning and Knowledge Extraction in 2021

open access: yesMachine Learning and Knowledge Extraction, 2022
Rigorous peer-reviews are the basis of high-quality academic publishing [...]
Machine Learning and Knowledge Extraction Editorial Office
doaj   +1 more source

Acknowledgment to the Reviewers of Machine Learning and Knowledge Extraction in 2022

open access: yesMachine Learning and Knowledge Extraction, 2023
High-quality academic publishing is built on rigorous peer review [...]
Machine Learning and Knowledge Extraction Editorial Office
doaj   +1 more source

Comparison between Pressurized Liquid Extraction and Conventional Soxhlet Extraction for Rosemary Antioxidants, Yield, Composition, and Environmental Footprint

open access: yesFoods, 2020
Nowadays, “green analytical chemistry” challenges are to develop techniques which reduce the environmental impact not only in term of analysis but also in the sample preparation step.
Mathilde Hirondart   +4 more
doaj   +1 more source

Factors Influencing the Enhancement of Energy Efficiency in the Oil and Gas Industry [PDF]

open access: yesMATEC Web of Conferences, 2019
In Romania, major focus and interest are currently expressed for the energy strategies domain. The increase of the energetic efficiency is therefore a main concern for the authorities.
Suditu Silvian   +2 more
doaj   +1 more source

Review of Alternative Solvents for Green Extraction of Food and Natural Products: Panorama, Principles, Applications and Prospects

open access: yesMolecules, 2019
In recent years, almost all extraction processes in the perfume, cosmetic, pharmaceutical, food ingredients, nutraceuticals, biofuel and fine chemical industries rely massively on solvents, the majority of which have petroleum origins.
Farid Chemat   +6 more
doaj   +1 more source

Geothermal heat use to eliminate hydrate formations in oil deposit injection wells [PDF]

open access: yesE3S Web of Conferences, 2021
The article is devoted to an actual issue: the development of internal downhole heat exchangers technology to combat hydration in injection wells. Purpose: development of conceptual solutions for the use of geothermal coolant in the internal well heat ...
Fyk Мykhailo   +3 more
doaj   +1 more source

Towards Substitution of Hexane as Extraction Solvent of Food Products and Ingredients with No Regrets

open access: yesFoods, 2022
Hexane is a solvent used extensively in the food industry for the extraction of various products such as vegetable oils, fats, flavours, fragrances, colour additives or other bioactive ingredients.
Christian Cravotto   +6 more
doaj   +1 more source

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