How To Use Acetal In A Sentence
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The chemicals that most often exceeded limits were naphthalene, formaldehyde and acetaldehyde.
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In addition, the use of specialty primers enables light-cure cyanoacrylates to develop strong bonds to polyolefins and other hard-to-bond plastics, such as fluoropolymers and acetal resins.
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It occurs synthetically as a byproduct in the manufacture of acetaldehyde and formaldehyde and during the atmospheric oxidation of turpentine.
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The fumes also contain sulfur dioxide, and various aldehydes, primarily formaldehyde as well as acetaldehyde and acrolein.
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A welded D-ring adds strength on the leash clip and acetal hardware keeps the product light and strong.
PRWeb - Daily News Feed
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Though the metabolism of acetaldehyde is of interest and importance in any discussion of ethanol detoxification, space limitations discourage such commentary.
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Water, ethanol, volatile organic acids, aldehydes, esters, acetals, and ketones, many of them powerfully aromatic, are among the azeotrope components in wines.
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DDT is produced from the chlorobenzene and trichloroethanal (trichloroacetaldehyde or chloral), which react in the presence of concentrated sulfuric acid.
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An enzyme in the liver called alcohol dehydrogenase strips electrons from ethanol to form acetaldehyde.
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S. cattleya is apparently capable of generating fluoroacetaldehyde in vivo from metabolic intermediates, presumably by reacting them with inorganic fluoride.
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Actually, I’m ignoring some other pathways that get more important as molecular weight increases, like the formation of alkyl nitrates, and the times when the molecule fractures in the middle to produce acetaldehyde and an ethyl alkoxy radical.
Taking Your Lumps
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More preferably, the halogen-containing aldehyde, acetal or hemiacetal is selected from trichloroethanal, 2,2, 2-trichloro - 1-ethoxy ethanol and mixtures thereof.
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Its biologically active metabolites include acetal aldehyde which has been linked to ‘hangover ‘symptoms.’
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This produces the aldehyde analogue, methanal (acetaldehyde).
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Most researchers believe that hangovers are created by build ups of acetaldehyde, although others shift the blame from ethanol and its side products to methanol.
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Acetaldehyde wastewater is a kind of organic ones, which is middle and higher concentration, poisonous.
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The jury is still out on whether Hangovers are caused by too much acetaldehyde in the blood stream, or by leaching by Alcohol of essential vitamins, minerals, and water, or by any number of other causes.
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Acetaldehyde forms a trimer in the presence of acid catalysts such as sulphuric or phosphoric acid, to make paraldehyde, a pharmacological sedative.
Archive 2007-10-01
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Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms.
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Disulfiram is a well established drug that acts as a deterrent to drinking by blocking the metabolism of alcohol and thus flooding the body with the toxic substance acetaldehyde.
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Methyl acetate had the highest mean peak height of the selected volatiles, followed by acetic acid and then acetaldehyde.
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A second dehydrogenation turns acetaldehyde into acetic acid, aka vinegar, which gets digested as usual.
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Among the crystalline polymers are polyethylene, polypropylene, nylon, thermoplastic polyesters, acetal, and polyphenylene sulfide.
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Alcohol and acetaldehyde (the initial metabolite of ethanol) have been examined in experimental test systems.
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Experience in distilling aldehydes led us to believe that acetaldehyde would form acetals in the overheads of the low pressure column.
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It was formerly derived by fermentation of carbohydrates but is now made synthetically by aldol condensation of acetaldehyde or by oxidation of petroleum gases.
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Standard configurations include 2mm diameter screws with leads ranging from 0. 3mm to 2mm per revolution and a variety of nut configurations of self-lubricating acetal and Kerkite® High Performance Composite Polymers.
PRWeb - Daily News Feed
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To investigate this point further, we first established the impact of oxygen deprivation, and also of a return to air, on the dynamics of fermentation by monitoring oxygen and the production of ethanol, acetaldehyde and carbon dioxide.
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Made of pre-lubricated, non-magnetic black acetal, these drives, identified as the A 6M
PRWeb - Daily News Feed
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DuPont Engineering Polymers is boosting prices of nylon standard resins by 20¢/lb on July 1, by 10¢/lb for acetal resins, by 15¢/lb for polyester standard resins and higher-priced adjustments for various specialty resins.
Purchasing - Top Stories
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Ethanol photoproduction from CO2 LIGHT 2 CO2 + 3 H2O → CH3CH2OH + 3 O2 CO2 fixation Ethanol photosynthesis CO2 Calvin cycle 3-PGA PYRUVATE ACETALDEHYDE ETHANOL PDC ADH
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Because a key ingredient of acetal is formaldehyde, acetal components left in a sealed container for a few weeks will emit a strong formaldehyde odor.
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Standard configurations include 2mm diameter screws with leads ranging from 0.3 to 2mm per revolution and a variety of nut configurations of self-lubricating acetal and Kerkite
Gadget Freak Files
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Alcohol, or ethanol, to give it its chemical name, creates a poisonous substance called acetaldehyde.
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Mucous membrane irritation occurs at considerably higher concentrations for acetaldehyde than for formaldehyde, and the risk of cancer has been investigated less vigorously.
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Included among these compounds are acetaldehyde, ethyl acetate, and numerous other esters and fusel oils.
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These results suggested that alcohol and acetaldehyde a significant restrained action to oligodendrocyte.
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When all of the sugar is fermented to alcohol and carbon dioxide, and a small amount of oxygen is present, yeast can reconvert some of the ethyl alcohol back to acetaldehyde.
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Phenylacetaldehyde dimethyl acetal 101-48-4 2876 200 kg 103 248 Phenylethyl acetate
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Over 90% of the variation in flavor scores could be explained by changes in ethanol and acetaldehyde content.
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Oh, now it all makes sense … It's the cryogenic dielectric piezo nano ceramic acetal nonresonant copolymer!
OhGizmo!
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Acetaldehyde forms a trimer in the presence of acid catalysts such as sulphuric or phosphoric acid, to make paraldehyde, a pharmacological sedative.
Archive 2007-10-01
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The enzyme aldehyde dehydrogenase is responsible for efficient metabolism of alcohol after it has been oxidised to acetaldehyde.
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Pyruvate is first decarboxylated to produce acetaldehyde and carbon dioxide, catalyzed by pyruvate decarboxylase.
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The validity of this assay may be questioned since acetaldehyde is a highly volatile and reactive molecule.
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But those with only one copy can develop a tolerance to acetaldehyde and become heavy drinkers.
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However, it must be understood that cyclic hemiacetals of those open-chain forms prevail I solids and at equilibrium in solutions.
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Among the crystalline polymers are polyethylene, polypropylene, nylon, thermoplastic polyesters, acetal, and polyphenylene sulfide.
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A second dehydrogenation turns acetaldehyde into acetic acid, aka vinegar, which gets digested as usual.
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The predominant emissions from uncoated wood and wood-based materials were aldehydes, mainly acetaldehyde, propanal, butanal, pentanal, hexanal, and acetone.
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Fasteners are available in a broad range of sizes, and in more than 15 different types of materials from steel to brass to stainless steel to aluminum to titanium as well as plastics such as acetal, nylon, PVC and ceramic material.
Purchasing - Top Stories
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Ethanol is primarily metabolized to acetaldehyde by the action of alcohol dehydrogenase.
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Number one is the build up of toxins such as acetaldehyde and free radicals, as your liver struggles to cope with metabolizing large amounts of alcohol.
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The same way it works on muscles to make them not contract so the skin doesn't wrinkle, it -- the same substance contains acetal coli (ph) a neurotransmitter -- it actually stops the sweat gland from secreting the fluid.
CNN Transcript Jul 18, 2005
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In addition to formaldehyde, paraformaldehyde, trioxymethylene, methylal, hexamethylene-tetramine, and other substances containing a reactive methylene group, as well as acetaldehyde, benzaldehyde and other aldehydes may be employed to induce reaction.
Synthetic Tannins
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Further exposure to oxygen converts the acetaldehyde to acetic acid, the acidic component of wine vinegar, the wine-maker's bête noire.
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In addition, the harm that alcohol causes, happens in the liver when alcohol is dehydrogenated into acetaldehyde.
Breastfeeding while drunk.
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These include such things as squalene (from shark liver oil), carnivorous plant extracts such as carnivora (venus fly trap), didrovaltrate which is an herbal extract from the Himalayan valerian plant; Acetaldehyde; benzaldehyde;
Netvouz - new bookmarks
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Acetaldehyde, acetic acid, ethyl acetate and the fusel oils all tend to form azeotropic mixtures with the water and ethanol of the wine.
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While Delrin is frequently specified, distributors estimate that 80% of the acetals sold today are actually copolymers.
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Water, ethanol, volatile organic acids, aldehydes, esters, acetals, and ketones, many of them powerfully aromatic, are among the azeotrope components in wines.
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Meanwhile, as the liver metabolises alcohol it produces acetaldehyde, a vinegar-like substance which has a toxic effects on the liver itself, the brain and the stomach lining, causing severe headaches.
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A few aromatic examples clockwise from top left: alcohol, sherry-like acetaldehyde, vinegary acetic acid, buttery diacetyl, fruity ethyl acetate, nutty furan, solvent-like benzene, and toasty maltol.
On Food and Cooking, The Science and Lore of the Kitchen
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This produces the aldehyde analogue, methanal (acetaldehyde).
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The aldehyde, ethanal (also called acetaldehyde), is the product of this reaction.
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The researchers have used supercritical CO 2 as medium for the conversion of alcohols to linear and branched ethers, to cyclic ethers, to aryl ethers and to acetals and ketals in good yields and, all-importantly, with high selectivities.
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Mix the diphenylamine reagent, as above, and split it into two aliquots before adding the acetaldehyde.
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Multiple flow sizes from 1 ¼ 4 to 1 ¼ 2 in. are available in materials such as acetal, polypropylene, polycarbonate, and polysulfone.
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Researchers looking for the potential biochemical basis for this link have focused on acetaldehyde, a suspected carcinogen formed as the body metabolizes alcohol.
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Meanwhile, as the liver metabolises alcohol it produces acetaldehyde, a vinegar-like substance which has a toxic effects on the liver itself, the brain and the stomach lining, causing severe headaches.
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The fumes also contain sulfur dioxide, and various aldehydes, primarily formaldehyde as well as acetaldehyde and acrolein.
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Another contributory factor is the conversion of alcohol to acetaldehyde by the liver.
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The first enzyme converts alcohol into a very toxic substance called acetaldehyde.
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A polyaryletherketone polymer replaces acetal, titanium, and other traditional materials.
