نتایج جستجو برای: ethylene alcohol
تعداد نتایج: 145097 فیلتر نتایج به سال:
alcohol poisoning can result in metabolic acidosis, renal failure, blindness, central nervous system (CNS) injury, pulmonary edema, or death. Ethylene glycol is present in antifreeze solutions, deicing solutions, foam stabilizers, and chemical solvents. Methanol is a component of windshield-washing solutions, gas-line antifreeze solutions, solvents, and brake cleaners. Isopropanol is found in r...
al(oh)3 nanoparticles were synthesized by a simple precipitation reaction. the effect of various amines like ethylene diamine, propylene diamine, triethylenetetramine and tetraethylenepentamine as precipitating agents on the morphology of al(oh)3 nanostructures was investigated. the influence of al(oh)3 nanoparticles on the flame retardancy of the poly vinyl alcohol (pva) matrix was studied usi...
An amphiphilic aryl-ether AB2-type dendron(1)bearing oligo ethylene glycol(OEG)chains exhibited lower critical solution temperature behavior in aqueous solutions. In the presence of salting-out salts(Na2SO4, NaCl, and NaBr), cloud points 1 decreased linearly with increasing salt concentration. The slope linear decrease changed anion type order, SO42- > Cl- Br-. salting-in salts(NaSCN NaI), incr...
Poly(vinyl alcohol) (a), its partially hydrolyzed product or poly(vinyl alcohol-co-vinyl acetate) (b) and poly(ethylene-co-vinyl alcohol) (c) are all industrially significant polymers used mainly for fiber and film, size and emulsifier/stabilizer, and gas-barrier material, respectively. In this thesis, these vinyl alcohol-based polymers have been discussed from two aspects: the molecular struct...
We describe a novel mouth-cup device for sampling breath from unconscious subjects and analysis with a hand-held breath-alcohol instrument, the "Alcolmeter SD-2." This equipment was evaluated in healthy volunteers after they drank a moderate dose of alcohol. Three kinds of breath were analyzed: (a) end-expired air from a conventional mouth-tube, (b) breath sampled from the mouth-cup, and (c) ai...
A direct, simple, and rapid high-performance liquid chromatographic method has been developed for the determination of ethylene-thiourea (ETU) in biological fluids. Samples were chromatographed on a Lichrosorb RP8 (5 pm) column after extraction with dichloromethane. The mobile phase was a mixture of hexane/isopropyl alcohol/ethyl alcohol (93:6:1 v/v) added with 0.6 mL/L butylamine. Detection wa...
Controversy exists about the net effect of alcohol on atherogenesis. A protective effect is assumed, especially from the tannins and phenolic compounds in red wine, owing to their inhibition of low density lipoprotein (LDL) oxidation. However, increased atherogenesis occurs in subjects with moderate to heavy drinking habits. The purpose of this study was to investigate the influence of alcohol ...
The cerium(IV)-alcohol couple in an acidic medium is an example of a redox system capable of initiating free radical polymerization. When the alcohol has a polymeric nature, the outcome of such a process is a block copolymer, a member of a class of compounds possessing many useful properties. The most common polymer with a terminal -OH group is poly(ethylene glycol) (PEG); however, the detailed...
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