Zobrazeno 1 - 10
of 673
pro vyhledávání: '"thermochemical treatment"'
Autor:
Sameera Mohamed, Elizabet M. van der Merwe, Zakhele H. Nkosi, Wladyslaw Altermann, Wiebke Grote, Frédéric J. Doucet
Publikováno v:
Discover Materials, Vol 4, Iss 1, Pp 1-18 (2024)
Abstract This study compared the reactivity of a plagioclase concentrate subjected to two processes: (1) direct acid leaching and (2) thermochemical treatment with ammonium sulfate followed by leaching. The sample was prepared from coarse-grained pyr
Externí odkaz:
https://doaj.org/article/589077d914954362910bf9a82398e4f7
Autor:
Tumpa R. Sarker, Mst. Lucky Khatun, Dilshad Z. Ethen, Md. Rostom Ali, Md. Shariful Islam, Sagor Chowdhury, Kazi Shakibur Rahman, Nafis Sadique Sayem, Rahman Samsur Akm
Publikováno v:
Heliyon, Vol 10, Iss 17, Pp e37105- (2024)
The management of solid waste poses a worldwide obstacle in the pursuit of a sustainable society. This issue has intensified with the increase in waste production caused by rapid population expansion, industrialization, and urbanization. The continuo
Externí odkaz:
https://doaj.org/article/33368ae82a954c278c02e5731524fba5
Autor:
Aikaterina Paraskevi Damiri, Emmanuel Stamatakis, Spyros Bellas, Manos Zoulias, Georgios Mitkidis, Anestis G. Anastasiadis, Sotiris Karellas, George Tzamalis, Athanasios Stubos, Theocharis Tsoutsos
Publikováno v:
Hydrogen, Vol 5, Iss 2, Pp 163-184 (2024)
Hydrogen plays a leading role in achieving a future with net zero greenhouse gas emissions. The present challenge is producing green hydrogen to cover the fuel demands of transportation and industry to gain independence from fossil fuels. This review
Externí odkaz:
https://doaj.org/article/ef3aefdd9c3a486da7bd94e068abcf5e
Publikováno v:
Успехи физики металлов, Vol 25, Iss 1, Pp 74-113 (2024)
Plasma nitriding in a glow discharge is a relatively new and extremely promising method of steel surface hardening. Ion-nitrided samples show a tendency to a longer lifespan during severe wear and cyclic loading compared to the traditional gas nitrid
Externí odkaz:
https://doaj.org/article/9da9e5a9cd7e4603b95ddfc572a16ded
Publikováno v:
Успехи физики металлов, Vol 24, Iss 3, Pp 446-469 (2023)
We review the works on the technologies of high-speed steels (HSSs) production. Different methods for improving the structure homogeneity of HSSs are considered. State-of-the-art techniques for controlling the structure of steels, the advantages and
Externí odkaz:
https://doaj.org/article/060418dd2cad4dc2a8f3f2a765ec8426
Autor:
Marlena Gęca, Ahmed M. Khalil, Mengqi Tang, Arvind K. Bhakta, Youssef Snoussi, Piotr Nowicki, Małgorzata Wiśniewska, Mohamed M. Chehimi
Publikováno v:
Surfaces, Vol 6, Iss 2, Pp 179-213 (2023)
In recent years, biochar has emerged as a remarkable biosourced material for addressing global environmental, agricultural, biomedical, and energy challenges. However, the performances of biochar rest in part on finely tuning its surface chemical pro
Externí odkaz:
https://doaj.org/article/9c7a305086e34c14b970788b97d22abd
Publikováno v:
Âderna Fìzika ta Energetika, Vol 24, Iss 2, Pp 122-130 (2023)
Hafnium is used for the production of control rods and protective screens in nuclear reactors after its hot plastic deformation and final thermochemical treatment. This research presents the experimental results of the influence of the surface layer
Externí odkaz:
https://doaj.org/article/75adca7305e7401fab8bf76501aaef13
Publikováno v:
Materials Research, Vol 26, Iss suppl 1 (2023)
The incorporation of oxygen and/or nitrogen into the titanium lattice has garnered significant attention due to the broad spectrum of intermediate properties that can be achieved between TiN and TiO2. This article delves into the investigation of sur
Externí odkaz:
https://doaj.org/article/51a858803d37469d927b31085336712c
Publikováno v:
Carbohydrate Polymer Technologies and Applications, Vol 6, Iss , Pp 100344- (2023)
This research aimed to establish a methodology for isolating and characterizing nanofibrillated cellulose (CNF) from Stipa obtusa, using low concentrations of reagents and their characterization. The fibers were collected in high Andean areas of Cusc
Externí odkaz:
https://doaj.org/article/c3f03c06a4e347708644cb706b7ddde3
Publikováno v:
Hydrobiology, Vol 2, Iss 2, Pp 326-346 (2023)
Algal biomass is a prospective feedstock for the eco-sustainable production of many different products with added value, such as meals, feeds, and fuels. The remaining biomass from the algae can be used as raw material and can be transformed into use
Externí odkaz:
https://doaj.org/article/62c41716836147a3b1a182b3e280f72a