Results 21 to 30 of about 4,939 (253)

Effect of the heating rate on crystallization and densification of TiO2 films prepared from alkoxide solutions containing various organic additives

open access: yesJournal of Asian Ceramic Societies, 2023
The effect of the heating rate on crystallization and densification of sol–gel-derived TiO2 films has been investigated. The TiO2 gel films were prepared from Ti(OC3H7i)4 solutions containing alcohols (2-butanol and 2-methoxyethanol), glycols (propylene ...
Hiroaki Uchiyama   +2 more
doaj   +1 more source

Ruthenium Nanoparticles Supported on Carbon Nanotubes for Selective Hydrogenolysis of Glycerol to Glycols [PDF]

open access: yes, 2009
NSFC [20873108]; 973 program [2009CB939804]; NSF of Fujian Province [2007.10013]; RFDP of Higher Education [20050384011]; Key Project of MOE [106099]Ru nanoparticles supported on carbon nanotubes showed efficient reactivity for hydrogenolysis of aqueous ...
Yuan, Youzhu   +12 more
core   +3 more sources

Organics and inorganics in flow back and produced water from shale gas operations: treatment and identification of glycols using gas chromatography–mass spectrometry

open access: yesJournal of Water Reuse and Desalination, 2023
This study investigated the efficiency of different water treatment processes in reducing propylene glycol (PG), ethylene glycol (EG), ethylene glycol monobutyl ether (EGME), and other water quality parameters in flow back/produced water from a shale gas
Seongyun Kim   +7 more
doaj   +1 more source

The Soret effect of mono-, di- and tri-glycols in ethanol [PDF]

open access: yes, 2011
We employed thermal diffusion forced Rayleigh scattering (TDFRS) to investigate the chain length dependence of the thermal diffusion behavior of short glycols in ethanol.
Michael Klein   +3 more
core   +1 more source

Use of Co-Solvents in Hydrothermal Liquefaction (HTL) of Microalgae

open access: yesEnergies, 2019
This study reviewed and summarized the literature regarding the use of alcohols during hydrothermal liquefaction (HTL) of algal biomass feedstocks. The use of both pure alcohols and alcohol-water co-solvents were considered.
Yang Han   +3 more
doaj   +1 more source

Alternating polyesteramides based on 1,4-butylene terephthalamide:4. alternating polyesteramides based on glycols (4NT glycol) [PDF]

open access: yes, 1998
Polyetheresteramides (PEEAs) have been synthesised in the melt from 1,4-butylene terephthalamide and ethylene or propylene glycols. The ethylene glycols were ethylenediol, diethylene glycol, triethylene glycol and tetraethylene glycol.
Gaymans, R.J.   +4 more
core   +1 more source

PLANT RAW MATERIAL EXTRACTS AS COMPONENTS OF COSMETIC PRODUCTS AND FORMULATIONS FOR TOPICAL ADMINISTRATION: THE PRODUCT RANGE, THE PRODUCTION CHARACTERISTICS (REVIEW)

open access: yesФармация и фармакология (Пятигорск), 2016
In contemporary pharmaceutical practice extracts are used as a separate cosmetic product and as an intermediate for external medicinal forms (ointments, gels, liniments) and cosmetic forms.
S. B. Evseeva, B. B. Sysuev
doaj   +1 more source

Five-to-Seven Carbon Glycols Severely Impair Bioenergetics and Metabolism of Aggressive Lung Cancer Cells

open access: yes, 2023
Lung cancer is the leading cause of cancer deaths. Nonsmall cell lung cancer (NSCLC) accounts for the vast majority of the histological subtypes and at advanced stage exhibits extremely low survival rate.
Azzam, I. (Ihab)   +5 more
core   +1 more source

Derivatives of Aluminium with Glycols and Catechol

open access: yes, 1962
Reactions of aluminium isopropoxide with glycols (ethylene, 1,3-, 2, 3-, 1.4.butylene, bexylene glycols, and pinacol) have been studied. The reaction in the molar ratio of 1:1 affords monoisopropoxy glycollates whereas the reaction with excess of glycols
R. C. Mehrotra, R. K. Mehrotra
core   +1 more source

Stability of dehydration glycols MEG and TEG [PDF]

open access: yes, 2020
The offshore process of natural gas dehydration is of crucial importance in meeting the required specifications and avoiding the formation of hydrates when transporting rich gas by pipeline.
François, Maxime
core   +1 more source

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