Results 51 to 60 of about 464,807 (207)

Crystal structure of [UO2(NH3)5]NO3·NH3

Acta Crystallographica Section E: Crystallographic Communications, 2016
Pentaammine dioxide uranium(V) nitrate ammonia (1/1), [UO2(NH3)5]NO3·NH3, was obtained in the form of yellow crystals from the reaction of caesium uranyl nitrate, Cs[UO2(NO3)3], and uranium tetrafluoride, UF4, in dry liquid ammonia.
Patrick Woidy, Florian Kraus
doaj   +1 more source

Managing and visualising geochemical data for tephra correlation with the IntChron Integration Tool

Journal of Quaternary Science, EarlyView.
ABSTRACT There is now a wealth of glass‐shard geochemical data for volcanic ash (tephra) layers from a wide range of volcanoes and eruptions, providing invaluable datasets for tephrochronology. However, compilation of published data to assess tephra correlations leads to large files and requires careful management.
Victoria C. Smith, Danielle McLean, Eloise Wilkinson‐Rowe, Emma L. Horn, Gavin Kane, Christopher Bronk Ramsey   +5 more
wiley   +1 more source

Conversion of Uranium Dioxide to Uranium Carbide in an Induction Plasma Torch Reactor. [PDF]

, 1970
Exploratory studies were conducted to determine the feasibility of using an induction plasma torch reactor for converting uranium dioxide-graphite powder agglomerates to uranium carbide ...
Jonke, A. A., J. Pavlik, Pavlik, J., A.A. Jonke, Ramaswami, D., D. Ramaswami   +5 more
core   +1 more source

Assessing Distinctive Physiochemical Properties of Geopolymers, Their Green Development and Utilization in Wastewater Treatment

Water and Environment Journal, EarlyView.
This review examines the physicochemical properties of geopolymers, focusing on the effects of calcium content, heavy metal impurities and acid activation. It distinguishes geopolymers from other alkali‐activated materials based on structure and synthesis precursors. Their use as water treatment adsorbents is compared with ceramic filters, highlighting
Kabelo L. Lebogang, Freeman Ntuli, Vepika Kandjou, Tumeletso Lekgoba   +3 more
wiley   +1 more source

Comparative Analysis of Uranium Content and 235U Abundance in Uranium Dioxide Pellets

He huaxue yu fangshe huaxue
Non-destructive analysis(NDA) techniques can be used to ensure that no sensitive nuclear materials(SNM) are being lost or diverted from their defined flows and containments.
Sheng-kai XIE, Jing TAN, Ji-long ZHANG, Rui-rui ZHAO, Li LI, Rui-ping LIU, Jing CUI, Jian-yong CUI, Dong-fa GUO   +8 more
doaj   +1 more source

Dissolution of uranium dioxide in nitric acid media: what do we know?

EPJ Nuclear Sciences & Technologies, 2017
This article draws a state of knowledge of the dissolution of uranium dioxide in nitric acid media. The chemistry of the reaction is first investigated, and two reactions appear as most suitable to describe the mechanism, leading to the formation of ...
Marc Philippe, Magnaldo Alastair, Vaudano Aimé, Delahaye Thibaud, Schaer Éric   +4 more
doaj   +1 more source

Diffusion of oxygen in hypostoichiometric uranium dioxide nanocrystals. A molecular dynamics simulation

Chimica Techno Acta, 2021
A molecular dynamic simulation of diffusion of intrinsic oxygen anions in the bulk of hypostoichiometric UO2-x nanocrystals with a free surface was carried out.
K. A. Nekrasov, A. E. Galashev, D. D. Seitov, S. K. Gupta   +3 more
doaj   +1 more source

In-situ, time resolved monitoring of uranium in BFS:OPC grout. Part 1: Corrosion in water vapour

Scientific Reports, 2017
Uranium encapsulated in grout was exposed to water vapour for extended periods of time. Through synchrotron x-ray powder diffraction and tomography measurements, uranium dioxide was determined the dominant corrosion product over a 50-week time period ...
C. A. Stitt, C. Paraskevoulakos, A. Banos, N. J. Harker, K. R. Hallam, A. Davenport, S. Street, T. B. Scott   +7 more
doaj   +1 more source

Effect of Radiation Defects on Thermo–Mechanical Properties of UO₂ Investigated by Molecular Dynamics Method

Metals, 2022
Nuclear fuel performance is deteriorated due to radiation defects. Therefore, to investigate the effect of irradiation-induced defects on nuclear fuel properties is essential.
Ziqiang Wang, Miaosen Yu, Chen Yang, Xuehao Long, Ning Gao, Zhongwen Yao, Limin Dong, Xuelin Wang   +7 more
doaj   +1 more source

Exploring the Potential of Macauba Biomass: A Bibliometric Approach to Biofuels and Other Byproducts

GCB Bioenergy, Volume 18, Issue 11, November 2026.
Applications of macauba biomass range from basic to advanced. ABSTRACT Macauba palm (Acrocomia spp.) is a perennial, fruit‐bearing plant native to tropical and subtropical regions of the Americas, predominantly found in South and Central America. Belonging to the Arecaceae family, it thrives in diverse climatic conditions and is characterized by its ...
Bruna Araújo de Sousa, Jean Constantino Gomes da Silva, Maria Paula Cardeal Volpi, Gustavo Mockaitis   +3 more
wiley   +1 more source