Zobrazeno 1 - 10
of 3 845
pro vyhledávání: '"hydroxyl groups"'
Autor:
Ayun Erwina Arifianti, Hiroharu Ajiro
Publikováno v:
Macromol, Vol 4, Iss 3, Pp 697-707 (2024)
The interaction of poly(trimethylene carbonate) (PTMC) with hydroxyl group compounds was investigated as a model for polymer blending with polysaccharides. While 1-butanol, 2-butanol, ethylene glycol, and 1,2-cyclohexanediol showed almost no detectab
Externí odkaz:
https://doaj.org/article/8cd4595ad2ce41b1993dbce6f4374522
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 10, Iss , Pp 100947- (2024)
Light, porous, and highly absorbent organic materials have emerged as new renewable and sustainable development materials for electromagnetic wave absorber materials. This study aimed to synthesize electromagnetic wave absorber materials from bamboo
Externí odkaz:
https://doaj.org/article/c6d46454949a4b8b9f92ecee0292d462
Autor:
Khachatryan G. K., Anashkina N. E.
Publikováno v:
Руды и металлы, Iss 2, Pp 69-76 (2024)
Based on the study of rutile and cassiterite grains, using Fourier transform infrared microscopy, a new method for their determination in heavy mineral concentrate samples has been developed. The natural vibrations of the crystal lattice of these min
Externí odkaz:
https://doaj.org/article/6b2b44a86261469faca241706399a1c0
Publikováno v:
Water Science and Technology, Vol 89, Iss 3, Pp 823-837 (2024)
Quinoline inevitably remains in the effluent of coking wastewater treatment plants due to its bio-refractory nature, which might cause unfavorable effects on human and ecological environments. In this study, MnCexOy was consciously synthesized by α-
Externí odkaz:
https://doaj.org/article/9a46ecdcd59843cca13357018602bf7a
Autor:
Vadilson Malaquias dos Santos, Fabricio Uliana, Rayanne Penha Wandenkolken Lima, Eloi Alves da Silva Filho
Publikováno v:
Polímeros, Vol 34, Iss 1 (2024)
Abstract This work consisted of studying polyglycerols in an acidic and micellar environment. The effects on surface tension, micellisation, and the Gibbs free energy of interface liquid-liquid (w/o) for directing the etherification of monomer glycer
Externí odkaz:
https://doaj.org/article/344267d6fc3e4beeaf5c59f30868c95c
Publikováno v:
Electrochemistry Communications, Vol 159, Iss , Pp 107653- (2024)
In this work, we have synthesized two new Schiff-bases from 2,2-dimethylpropane-1,3-diamine and n-hydroxy-n-methoxybenzaldehyde. The synthesized Schiff-bases were characterized by 1H NMR, 13C NMR. The anti-corrosive property of the compounds were inv
Externí odkaz:
https://doaj.org/article/72655c70b0974c5dacbaa71285446d83
Publikováno v:
SusMat, Vol 3, Iss 3, Pp 416-430 (2023)
Abstract The utilization of supported amines as adsorbents in direct air capture (DAC) has been demonstrated to be a promising strategy for the reduction of CO2 emissions. To improve the performance of amine‐based adsorbents, the incorporation of a
Externí odkaz:
https://doaj.org/article/3f5a4003cb4348088fba16b31909028f
Publikováno v:
Applied Sciences, Vol 14, Iss 11, p 4550 (2024)
The mechanism of the combined process of ion beam sputtering (IBS) and HF acid etching on the chemical structure defects of fused silica and its laser damage resistance performance were investigated in this paper. During the removal process of surfac
Externí odkaz:
https://doaj.org/article/f329bd6b966f4014bf9b1de699b8bbc1
Autor:
Abdel Boughriet, Oscar Allahdin, Nicole Poumaye, Gregory Tricot, Bertrand Revel, Ludovic Lesven, Michel Wartel
Publikováno v:
Ceramics, Vol 5, Iss 4, Pp 908-927 (2022)
The chemical and mineralogical surface properties of a brick-derived composite were examined by using an environmental scanning electron microscopy (ESEM) equipped with an energy dispersive X-ray spectrometer (EDS). Investigations revealed that the m
Externí odkaz:
https://doaj.org/article/25e14d678f614b9cb60545c1c3b68263
Publikováno v:
Nanomaterials, Vol 14, Iss 1, p 123 (2024)
Nitrogen-doped graphene-based materials are of utmost importance in sensing and energy conversion devices due to their unique physicochemical properties. However, the presence of defects such as pyrrolic nitrogen and oxygenated functional groups redu
Externí odkaz:
https://doaj.org/article/2202e85a40e84b1bb83bd37ff3883a52