Results 1 to 10 of about 79,065 (292)

Niobium and Niobium Compounds

High Temperature Materials and Processes, 1993
Eckert, J.
doaj   +2 more sources

Clays enhanced with niobium: potential in wastewater treatment and reuse as pigment with antibacterial activity [PDF]

Beilstein Journal of Nanotechnology
Bentonite clay sourced from the Guarapuava region, Brazil, was modified with niobium oxide (BEOx) and niobium phosphate (BEPh) to act as an adsorbent and photocatalyst in the remediation of wastewater containing methylene blue (MB) dye.
Silvia Jaerger, Patricia Appelt, Mario Antônio Alves da Cunha, Fabián Ccahuana Ayma, Ricardo Schneider, Carla Bittencourt, Fauze Jacó Anaissi   +6 more
doaj   +2 more sources

Production of niobium: Overview of processes from the mine to products [PDF]

Journal of Mining and Metallurgy. Section A: Mining, 2022
A number of industrial and technology sectors have been paying attention to a particular chemical element in recent years, namely niobium (Nb). There are many niobium deposits scattered around the world, and for each deposit different technologies are ...
Do Nascimento Pereira Henrique P., Cury Marques C., de Campos Anastacio A., Pointer Malpass Roger G., Alves Roberto E.   +4 more
doaj   +1 more source

BASALISC: Programmable Hardware Accelerator for BGV Fully Homomorphic Encryption

Transactions on Cryptographic Hardware and Embedded Systems, 2023
Fully Homomorphic Encryption (FHE) allows for secure computation on encrypted data. Unfortunately, huge memory size, computational cost and bandwidth requirements limit its practicality.
Robin Geelen, Michiel Van Beirendonck, Hilder V. L. Pereira, Brian Huffman, Tynan McAuley, Ben Selfridge, Daniel Wagner, Georgios Dimou, Ingrid Verbauwhede, Frederik Vercauteren, David W. Archer   +10 more
doaj   +1 more source

Process Mineralogy of Niobium Tantalum Iron Ore in Hubei

Kuangchan zonghe liyong, 2023
This is an essay in the field of process mineralogy. Rare metals such as lithium, beryllium, niobium and tantalum, as national strategic emerging resources, are mainly used in industrial fields such as national defense, aviation and aerospace, and have ...
Xiaoyu Li, Xing Liu, Wenliang Xiong, Zhimin Huang   +3 more
doaj   +1 more source

Occurrence of Niobium and Rare Earth Elements in Related Ores by Electron Microprobe

Yankuang ceshi, 2021
BACKGROUND Niobium is a strategic metal with wide applications and plays a very important role in modern steel technology. The average content of Nb2O5 in a niobium-rare earth ore is 0.0855%, and the content of total rare earth (REO) is 1.03%, which is ...
WANG Fang, ZHU Dan, LU Li, WEI Jun-qi, PAN Shi-yang   +4 more
doaj   +1 more source

Study on Occurrence States of Rare Metal Elements in a Granite Pegmatite Pattern Niobium-Tantalum Ore in Henan

Kuangchan zonghe liyong, 2023
Study on occurrence states of rare metal elements provides basic date and theoretical basis for prospecting, processing and selecting metallurgical process of the rare metal ore.
Jing Zhou, Jiaohua Zhou, Chang Xu, Rui Niu, Jinkuang Zhang, Zhen Wang, Boyi Gui   +6 more
doaj   +1 more source

Ethylenediaminium Niobium Oxyfluoride. [PDF]

ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Nicholas F, Stephens, Philip, Lightfoot
openaire   +2 more sources

Hydrothermal Crystallization of Niobium Oxide Nanorods Studied by 93Nb Nuclear Magnetic Resonance

Chinese Journal of Magnetic Resonance, 2023
The crystallization process of hydrothermally synthesizing niobium oxide nanorods with ammonium niobium oxalate precursor was investigated using 93Nb NMR, combined with X-ray powder diffraction, transmission electron microscopy and quantum chemistry ...
SHEN Changzhi, ZHANG Linlin, LI Xin, SHEN Wanling   +3 more
doaj   +1 more source

Flash Smelting Furnace Renewal and Productivity Improvement in the Saganoseki Smelter and Refinery

Journal of MMIJ, 2020
Flash smelting furnace at Saganoseki was build 1973 and its capacity increased to 3.5 times the original during 40 years. The degradation progressed in that process, so it was replaced to higher potential furnace in the long-term shutdown at 2017 for ...
Yutaka YASUDA, Hiroshi CHIDA, Tatsuya MOTOMURA   +2 more
doaj   +1 more source