Results 41 to 50 of about 5,293 (211)

Numerical simulation of oxidative corrosion of metallic uranium in a confined environment with a validation through existing experimental data

Journal of Materials Research and Technology
As an energy source and strategic material, uranium usually needs to be stored in a confined environment for long periods of time. Due to its active chemical nature, uranium will inevitably corrode, thus affecting its performance.
Mengxian Xiang, Weiquan Liang, Ning Ma, Sizhi Zuo-Jiang, Xuzhou Jiang, Hongying Yu, Dongbai Sun   +6 more
doaj   +1 more source

Persilylated and Related Silyl Anion‐Induced Synthesis of Group 3–10 Metal–Silyl Complexes

Chemistry – A European Journal, EarlyView.
Persilylated and related silyl anions serve as powerful tools for constructing metal–silyl complexes across group 3–10 elements. Their strong σ‐donating ability and steric bulk stabilize low‐coordinate, reactive species and enable unique bonding motifs.
Yusuke Sunada
wiley   +1 more source

Monitoring of radiation hygienic situation in the area of the Argun production mining and chemical association [PDF]

Саратовский научно-медицинский журнал, 2013
The Argun Production Mining and Chemical Association is a multi-activity mining company which perfprms mining of uranium ore, carries out refining of such ores in hydrometallurgical process to produce natural uranium oxide.
Shandala N.K., Titov А.V., Kiselev S.М., Seregin V.A., Isaev D.V., Semenova M.P.   +5 more
doaj  

Leaching Process of Uranium in Waste Residue by Chloride Roasting

Yuanzineng kexue jishu, 2023
For a uranium purification enterprise in the south of China, the waste residue (uranium grade 12000%), which is a mixture of rubble from the extraction in the purification system and other wastewater passing through the plate and frame after resting ...
FAN Shiyao;ZHANG Cong;LEI Zhiwu;HU Eming;WANG Hongqiang;HAO Xuanzhang;HU Fang;WANG Qingliang
doaj  

C‐Terminal Functionalization Methods of Amino Acids, Peptides, and Proteins

Chemistry – A European Journal, EarlyView.
C‐terminal functionalization offers powerful routes to peptide and protein diversification, yet epimerization, hydrolysis, and selectivity remain key challenges. This Review surveys enzymatic, decarboxylative, and condensation strategies, highlighting advances toward chemo‐ and regioselective, protecting‐group‐free, atom‐efficient methods applicable to
Jay Hanssens, Mark Lambers, Romano V. A. Orru, Jordy M. Saya   +3 more
wiley   +1 more source

Covalency in oxidized uranium

Physical Review B, 2015
Using x-ray emission spectroscopy and absorption spectroscopy, it has been possible to directly access the states in the unoccupied conduction bands that are involved with $5f$ and $6d$ covalency in oxidized uranium. By varying the oxidizing agent, the degree of $5f$ covalency can be manipulated and monitored, clearly and irrevocably establishing the ...
Tobin, JG, Yu, S-W, Qiao, R, Yang, WL, Booth, CH, Shuh, DK, Duffin, AM, Sokaras, D, Nordlund, D, Weng, T-C   +9 more
openaire   +4 more sources

X‐Ray Absorption Sensitivity at 5d$5d$ Edges of High‐Valent Light Actinides to Crystal‐Field Strength and Covalency Effects

Chemistry – A European Journal, EarlyView.
Analysis of x‐ray absorption spectra of U(VI) and U(V) oxides indicates an important role of U 5f−O$5f-\rm{O}$ 2p$2p$ charge transfer for increasing the 5f$5f$ occupancy and thereby affecting the ground state properties. ABSTRACT The 5f$5f$ states were probed in ThO2$\rm{ThO}_2$ and U(VI) and U(V) oxides using x‐ray absorption spectroscopy at the ...
Johan R. Vegelius, David K. Shuh, Sergei M. Butorin   +2 more
wiley   +1 more source

Establishment and verification of chemical interaction model between fast reactor fuel and cladding under high burnup

He jishu, 2022
BackgroundUranium dioxide fuel elements of fast neutron reactor operate under the conditions of high burnup, high neutron fluence rate, high line power and high temperature.
CHEN Qidong, GAO Fuhai
doaj   +1 more source

Dapagliflozin alleviates high‐fat‐induced obesity cardiomyopathy by inhibiting ferroptosis

ESC Heart Failure, Volume 12, Issue 2, Page 1358-1373, April 2025.
Abstract Aim: Dapagliflozin (Dapa) is a novel hypoglycaemic agent with multiple cardiovascular protective effects, and it is widely used in treatment of heart failure patients, but whether it can improve obese phenotype of heart failure and its mechanism is still unclear.
Di Chen, Jiahao Shi, Yue Wu, Lizhu Miao, Zilin Wang, Yixuan Wang, Siwei Xu, Yu Lou   +7 more
wiley   +1 more source

ABCABC Stacking-Enabled Non-Centrosymmetry 3R-ZnIn₂S₄ Nanosheets for Piezocatalytic Uranium Extraction. [PDF]

Adv Sci (Weinh)
The ABCABC stacking sequence in 2D ZnIn2S4 nanosheets creates intrinsic non‐centrosymmetry, enabling robust piezocatalysis under weak mechanical agitation. The nanosheets achieve a H2O2 yield of 276.7 µmol g−1 h−1 and uranium extraction capacity of 763.2 mg g−1 via a dual mechanism of direct piezoreduction and in situ H2O2 complexation.
Li S, Zhou H, Yang Y, Lv Y, Sofer Z, Zheng J, Li J.   +6 more
europepmc   +2 more sources