Results 11 to 20 of about 3,391,068 (309)

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

Nuclear 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, Raj Kumar, Santosh K. Satpati, Manharan L. Sahu   +3 more
doaj   +1 more source

Extractable and Non-Extractable Antioxidants [PDF]

Molecules, 2019
In addition to documented scientific interest on antioxidant phytochemicals (plant secondary metabolites) [...]
Alessandra Durazzo, Massimo Lucarini
openaire   +4 more sources

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

Nuclear 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, Sonal Gupta, Sourabh Wajhal, S.K. Satpati, M.L. Sahu   +4 more
doaj   +1 more source

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

Natural 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, Xing Yang, Hai Liu, Ming Chen, Zunpeng Hu, Jilei Niu, Yiman Shi   +6 more
doaj   +1 more source

Automatic Ontology-Based Knowledge Extraction from Web Documents [PDF]

, 2003
To bring the Semantic Web to life and provide advanced knowledge services, we need efficient ways to access and extract knowledge from Web documents. Although Web page annotations could facilitate such knowledge gathering, annotations are rare and will ...
Hall, Wendy, Shadbolt, Nigel R., Alani, Harith, Weal, Mark J., Kim, Sanghee, Lewis, Paul H., Millard, David E.   +6 more
core   +2 more sources

Acknowledgment to Reviewers of Machine Learning and Knowledge Extraction in 2021

Machine 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

Machine 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

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

Molecules, 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, Maryline Abert Vian, Harish Karthikeyan Ravi, Boutheina Khadhraoui, Soukaina Hilali, Sandrine Perino, Anne-Sylvie Fabiano Tixier   +6 more
doaj   +1 more source

Liquid-liquid extraction with and without a chemical reaction [PDF]

, 2011
The extraction of mercaptans with alkaline solution is accompanied by a second- order instantaneous reaction. As explained in Section 2.2, in this case, the mass transfer coefficients can be calculated as for the physical extraction, since the mass ...
Claudia Irina Koncsag, Alina Barbulescu, Koncsag, Claudia I., Barbulescu, Alina, Claudia Irina   +4 more
core   +1 more source

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

Foods, 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, Natacha Rombaut, Anne Sylvie Fabiano-Tixier, Antoine Bily, Farid Chemat   +4 more
doaj   +1 more source