Results 51 to 60 of about 21,323 (161)

Effect of vacancy defects on thermal transport properties of tungsten nitride compounds on divertor surface in ITER

Communications Physics
In tokamak, tungsten nitrides (WNx) layers that form on the divertor surface are byproducts of the nitrogen seeding system. The impact of their thermal transport properties is an important issue as they will be subjected to continuous high heat flow ...
Pengfei Yu, Bicai Pan
doaj   +1 more source

Decatungstate-photocatalyzed transfer hydrogenation of unsaturated compounds using alcohol as the hydrogen source

Nature Communications
We present a simple and efficient photocatalytic method for the transfer hydrogenation of unsaturated compounds using alcohol as the hydrogen source and low-cost decatungstate as the photocatalyst.
Teng Zhang, Zheng-Feng Zhang, Xuan Lan, Si-Yi Li, Ming-Der Su, Yonggui Robin Chi, Lixin Wu, Cheuk-Wai So   +7 more
doaj   +1 more source

Technological Aspects of Sintering Low-Quality Wolframite Concentrate with Potassium Carbonate

Applied Sciences
The loss of quality of wolframite concentrates determines the need to improve their processing method that ensures maximum conversion of tungsten into water-soluble wolframate and a reduction in water-soluble impurities.
Kirill V. Pikulin, Lyudmila I. Galkova, Galina Y. Vitkina, Antonina I. Karlina   +3 more
doaj   +1 more source

Electrochemical and spectroscopic studies of tungstencarbonyl complexes containing nitrogen and phosphorous ligands

Journal of the Brazilian Chemical Society, 2000
The present work deals with the synthesis, spectroscopic investigation and electrochemical behaviour of the compounds [W(CO)4(bipy)] (1), [W(CO)3(bipy)(dppm)] (2) and [W(CO)3(bipy)(dppf)] (3), bipy = 2,2'-bipyridine; dppm = bis(diphenylphosphino)methane;
Haddad Paula S., Miranda Gislaine, Ananias Sandra R., Mauro Antonio E., Nogueira Vânia M.   +4 more
doaj  

The Effects of Single and Bimetallic Silicon Composite Shields in Medical Imaging Methods: A Monte Carlo Study

Frontiers in Biomedical Technologies
Purpose: Nowadays, the use of polymer composites with several metals to design and build new radiation composite shields with practical features in radiology is expanding.
Abbas Ali Nazeri, Reza Malekzadeh, Parinaz Mehnati, Soheila Refahi   +3 more
doaj   +1 more source

Nanomaterials as a Tool for Increasing Sensitivity and Selectivity in the Analytical Chemistry of Tungsten by Stripping Voltammetry. [PDF]

Materials (Basel)
Grabarczyk M, Wlazlowska E.
europepmc   +1 more source

Increased Availability of Selective Trace Elements Enhanced Anaerobic Benzoate Oxidation in <i>Geotalea daltonii</i>. [PDF]

Microorganisms
Kiessling CM, Samuels C, Arko M, Li X, Chin KJ.   +4 more
europepmc   +1 more source

Differential Coordination Chemistry with Hydrogen Peroxide: A Pathway Toward Selective Separation of Tungsten from Molybdenum. [PDF]

Materials (Basel)
Wu Y, Qiu Y, He J, Chen X, Chen A, Liu X, Li J, Zhang W, Sun F, Zhao Z.   +9 more
europepmc   +1 more source

Selected Ion Flow-Tube Mass Spectrometry (SIFT-MS) of Mo(CO)₆ and W(CO)₆ Vapours With Positive and Negative Reagent Ions. [PDF]

J Mass Spectrom
Dryahina K, Španěl P, Musil S, Polášek M.   +3 more
europepmc   +1 more source

Time-resolved spectroscopy of a photoactive dinuclear W/Ru complex: spectroscopic evidence for a metastable intermediate with side-on coordinated carbonyl ligand. [PDF]

Chem Sci
Borter JH, Kangsa Banik S, Kunze K, Kupfer S, Schwarzer D, Seidel WW.   +5 more
europepmc   +1 more source