Results 41 to 50 of about 75,502 (312)

A novel method to prepare high-purity V2O5 from Na3VO4 solution

open access: yesJournal of Materials Research and Technology, 2021
The current study presents a novel method to prepare high-purity V2O5 from Na3VO4 solution. This process characterizes Na3VO4 calcification separation, Ca10V6O25 ammoniation and solubilization, NH4VO3 crystallization, and vanadium precipitation, which ...
Lanjie Li   +5 more
doaj   +1 more source

Optimization of Sulfur Determination in Vanadium-Titanium Magnetite Ore in the Panxi Area

open access: yesYankuang ceshi
Sulfur is an important quality and environmental indicator in vanadium-titanium magnetite ore, so the accurate measurement of sulfur is of great significance for subsequent process control and pollution evaluation.
Yong WANG, Zijing LI, Lin LIU, Guowei LI
doaj   +1 more source

Dissolution behavior of AlN in CaO–Al2O3–BaO–CaF2–Li2O system mold fluxes

open access: yesJournal of Materials Research and Technology, 2023
The dissolution behavior of AlN in three CaO–Al2O3–BaO–CaF2–Li2O non-reactive mold fluxes which were designated as N1 (low break temperature), N2 (good lubrication performance), N3 (high break temperature) for high-Al steel with different requirements ...
Xufeng Wang   +4 more
doaj   +1 more source

Explore on the Difference of Iron Separation between Tianjiacun and Yangtianwo Untabulated Ore in Baima, Panxi

open access: yesKuangchan zonghe liyong, 2023
This is a paper in the field of mineral processing engineering. Iron separation experiments of the untabulated ore of Yangtianwo and the untabulated ore of Tianjiacun were carried out by comparing the untabulated ore of Baima in Panxi.Results show that ...
Fulin Zheng   +4 more
doaj   +1 more source

Direct Metal Deposition of Graphene–Ti28Nb35.4Zr Matrix Composites With Enhanced Mechanical, Corrosion, and Biocompatibility Properties for Bone Implants

open access: yesAdvanced Engineering Materials, EarlyView.
Graphene nanoplatelet (0.1 wt.%) reinforcement significantly enhances the performance of β Ti‐28Nb‐35.4Zr alloy. Grain refinement, reduced water contact angle, and improved surface characteristics promote osteoblast adhesion and complete surface coverage after 7 days.
Khurram Munir   +5 more
wiley   +1 more source

Vanadium-Catalyzed Dinitrogen Reduction to Ammonia via a [V]NNH2 Intermediate

open access: yes, 2023
The catalytic transformation of N2 to NH3 by transition metal complexes is of great interest and importance but has remained a challenge to date. Despite the essential role of vanadium in biological N2 fixation, well-defined vanadium complexes that can ...
Ganglong Cui   +17 more
core   +1 more source

Cathodic Cage Plasma Deposition of Nanostructured Cu–Fe–Se Coatings on Poly(methyl Methacrylate)

open access: yesAdvanced Engineering Materials, EarlyView.
Nanostructured Cu–Fe–Se coatings are deposited on PMMA by a modified cathodic cage plasma process, enabling low‐temperature deposition on polymer substrates. A transition from discontinuous to compact morphology is observed with temperature, with optimal properties at 200°C, where improved CuFeSe2‐type bonding, lowest sheet resistance, and favorable ...
V. S. S. Sobrinho   +8 more
wiley   +1 more source

An Experimental High‐Throughput Approach for the Screening of Hard Magnet Materials

open access: yesAdvanced Engineering Materials, EarlyView.
An entire workflow for the high‐throughput characterization and analysis of compositionally graded magnetic films is presented. Characterization protocols, data management tools and data analysis approaches are illustrated with test case Sm(Fe, V)12 based films.
William Rigaut   +16 more
wiley   +1 more source

Preparation of High-Purity Magnesium from Electrolytically Produced Crude Magnesium via Vacuum Distillation

open access: yesMetals, 2023
Metallic Mg is an important strategic metal and its properties are greatly affected by impurities. Silicothermic reduction and electrolysis are the most used approaches to prepare metallic Mg. The products of these processes need to be further refined to
Zhanshan Ma   +6 more
doaj   +1 more source

Interactions of molybdenum and vanadium with iron nanoparticles [PDF]

open access: yes, 2010
Molybdenum, vanadium and iron are important micro and macro nutrients, respectively, for all living organisms. Their cycles and budgets in the natural environment is affected by - and affects many different processes.
Brinza, Loredana
core  

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