Results 21 to 30 of about 24,053 (305)

Solubility of NaHCO3 in Systems of Aqueous Glycols (Monoethylene Glycol, Diethylene Glycol, Triethylene Glycol, and Tetraethylene Glycol): The Role of Solvation [PDF]

open access: yesJournal of Chemical & Engineering Data, 2020
The solubility and density of NaHCO3 in the systems: monoethylene glycol (MEG)–water, diethylene glycol (DEG)–water, triethylene glycol (TEG)–water, and tetraethylene glycol (TeEG)–water have been ...
Randi Neerup   +3 more
openaire   +2 more sources

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

Lubrication Performances of Polyalkylene Glycols at Steel Interface under External Electric Fields

open access: yesNanomaterials, 2022
This work studied the lubrication performances of polyalkylene glycols, which are insulating oils, at the steel interface under external electric fields.
Xiangyu Ge   +3 more
doaj   +1 more source

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

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

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., Serrano, P.J.M.
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

Pollution abatement and environmental preservation

open access: yesEnvironment Conservation Journal, 2003
In the recent years there has been a growing concern over the problem of municipal and industrial waste disposal. In India city sewage, distilleries, tanneries, breweries, sugar mill and food processing units are the major source of organic pollution in
Ashutosh Gautam, D. R. Khanna
doaj   +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

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