Zobrazeno 1 - 10
of 95
pro vyhledávání: '"Hirokazu Okawa"'
Publikováno v:
Ultrasonics Sonochemistry, Vol 82, Iss , Pp 105879- (2022)
LiNi0.5Mn1.5O4 (LMNO) has attracted considerable attention as a Li-ion battery cathode material, owing to its high discharge voltage of 4.7 V (vs. Li/Li+) and high energy density. However, the electronic conductivity of LMNO is low, resulting in a lo
Externí odkaz:
https://doaj.org/article/dd0ff71eb0b94f2ca47e87ff3ffa518d
Autor:
Ronald Nguele, Hirokazu Okawa
Publikováno v:
Ultrasonics Sonochemistry, Vol 80, Iss , Pp 105811- (2021)
The present work investigates the contribution of asphaltene aggregation to bitumen viscosity subject to ultrasound irradiation. A West-African bitumen with a viscosity of 12043 cP at room temperature was sonicated at low (38 kHz) and mild frequency
Externí odkaz:
https://doaj.org/article/9baf0862ab624f38b778097001f7be79
Publikováno v:
Journal of MMIJ, Vol 135, Iss 1, Pp 1-7 (2019)
This study investigated an effective method to desorb CO2 from low-concentration (0.2 mol/L) monoethanolamine (MEA) solutions using calcium chloride (CaCl2) and ultrasound irradiation at 25 ºC. The pH value of the solution had a large influence on t
Externí odkaz:
https://doaj.org/article/497689dcccff4f8da3d337838a94117c
Publikováno v:
Polymers, Vol 14, Iss 7, p 1473 (2022)
In this study, a method of removing an anionic surfactant sodium dodecyl sulfate (SDS) from an aqueous solution by cellulose modified with quaternary ammonium cation was discussed. Cellulose, as the adsorbent, was obtained from medical cotton balls,
Externí odkaz:
https://doaj.org/article/255dd57f8ed94ebeb32b3781c6c3cfab
Publikováno v:
Applied Sciences, Vol 9, Iss 22, p 4805 (2019)
In order to obtain the adsorption mechanism and adsorption structures of Rare Earth Elements (REEs) ions adsorbed onto layered double hydroxides (LDH), the adsorption performance of LDH and ethylenediaminetetraacetic acid (EDTA) intercalated LDH for
Externí odkaz:
https://doaj.org/article/8d8bdba3d72f441085023bdd0d72ad15
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 9, Pp i68-i69 (2012)
Crystals of dilithium manganese(II) silicate were grown under high-temperature hydrothermal conditions in the system LiOH—MnO2—SiO2. The title compound crystallizes in the βII-Li3PO4 structure type. The coordination polyhedra of all cations are
Externí odkaz:
https://doaj.org/article/20b26ec283c246c4b566d35b7e363b27
Publikováno v:
Day 2 Tue, May 23, 2023.
The present work clarifies the mechanisms associated with bitumen viscosity reduction during ultrasound sonication. A Canadian (CDN) and Nigerian (NGR) bitumen, selected for this study, have a respective viscosity of 2,617 and 12,043 cP at room tempe
Publikováno v:
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 54:103-109
Publikováno v:
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 53:366-374
Publikováno v:
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 53:359-365