How To Use Oxidation In A Sentence
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In addition to the NOx adsorber and the DPF, the 6. 7-liter turbodiesel engine includes a cooled exhaust gas recirculation (EGR) system and high-flow, electronically controlled Variable Geometry Turbocharger (VGT ™); an oxidation catalyst within the exhaust system; and a new closed crankcase ventilation system that eliminates crankcase fumes and oil carryover.
Autoblog
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Sebacic acid can be synthesized from phenols and cresols, but castor oil oxidation is considered a ‘greener’ process.
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First, the oxidation state of any atom in an uncombined element is equal to zero.
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Meyerhof and Hill's pioneering thermodynamic studies had been the basis for the conclusion that the cycle of lactic acid formation and oxidation were the key events in glycolysis.
Otto Meyerhof and the Physiology Institute: the Birth of Modern Biochemistry
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(, increases the rate of NADP oxidation by 4-hydroxy - benzoate, no hydroxylation during subsequent reoxidation by O2 [2]) [2] Turnover number (min±1) 21.6
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In the periphery of the oxidation, copper mineralization occurs as chalcopyrite, bornite, tennantite and mispickel.
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Steels usually contain at least 0.3% manganese, which acts in a three-fold manner: it assists in deoxidation of the steel, prevents the formation of iron sulfide inclusions, and promotes greater strength by increasing the hardenability of the steel.
CR4 - Recent Forum Threads and Blog Entries
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The variation is required to meet the difficulty occasioned by the tension of the nitric acid and products of deoxidation.
Researches on Cellulose 1895-1900
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Industrially, they are mainly manufactured as the products of the dehydrogenation, or oxidation, of secondary alcohols.
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The copper, for instance, may have an alloy that crumbles from oxidation.
INCA GOLD
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The highly concentrated cosmetic wastewater can be treated by anaerobic - contacting oxidation - ozone - biological aerated filter ( BAF ).
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The mechanisms are not well defined, but iron and tin will promote the photo-oxidation of the silk fibroin.
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Gibson, D.T.: Regio - and stereospecific oxidation of fluorene, dibenzofuran, and dibenzothiophene by naphthalene dioxygenase from Pseudomonas sp. strain NCIB 9816-4.
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Their oxidation products include an array of arsenates, selenates, and selenites.
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In winter, the stems, or canes, turn from green to red, which helps protect them from ultraviolet rays and oxidation.
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To prevent oxidation, the oil should contain an antioxidant such as tocopherol (vitamin E).
1. Oil Plants and their Potential Use
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Many fatty foods are susceptible to autoxidation, involving the oxidation of lipid molecules to produce malodorous ketones, alcohols and acids that adversely affect the texture, flavour and taste of food.
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There is another variable in latke preparation: oxidation.
A Latke by Any Other Name...
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Further oxidation and dimerization of indoxyl produces indigoid pigments.
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Compared with the single electrochemical oxidation, the removal rate to phenol, phthalic acid and phenylformic acid within the same time is improved by 79 to 96 percent.
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A bleach is a chemical that removes colors or whitens, often via oxidation.
Superhero Nation: how to write superhero novels and comic books » Seriously?
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It can also be formed by oxidative deoxyribose breakdown or autoxidation of sugars, such as glucose, and it plays a role in the pathophysiology of diabetes and ageing.
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This difference is expressed in the notation of oxidation state versus ionic charge.
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Oxides are formed by direct oxidation in air, by reaction with water vapor, or by aluminothermic reaction with oxides of other metals, such as iron or silicon, contained in tools and refractories.
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By removing the free metal ions from solution, the formation of the chloride containing polyatomic ions allows the oxidation reaction to continue toward equilibrium.
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In the acid processes, deoxidation can take place in the furnaces, leaving a reasonable time for the inclusions to rise into the slag and so be removed before casting.
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In organic chemistry it is thus more convenient to describe carbon in terms of its valency than its oxidation numbers.
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The experiment shows that adopting protective casting technology can reduce reoxidation and improve the internal and surface quality of block.
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A mild acid (usually citric, but sometimes acetic, boric, lactic or tartaric) is often added to amidol formulae to prevent oxidation, which can cause staining of the print.
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‘Autoxidation’, the authors comment, ‘is a serious problem that limits the storage time for acellular hemoglobin-based blood substitutes.’
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Cigarette smoke contains a range of xenobiotics, including oxidants and free radicals that can increase lipid peroxidation.
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Furfural from cellulose, oxycellulose, and hydrocellulose, 70; derivative from lævulose, 8; estimation as hydrazone and phloroglucide, 119, 121; oxidation of, 114, 118 (_refer also_ 'Pentosanes')
Researches on Cellulose 1895-1900
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It is argued that the terms valence, covalence, hypervalence, oxidation state, and coordination number are often confused and misused in the literature.
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The photocatalytic reactivity of the samples were tested by the gas - phase photocatalytic oxidation of heptane.
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Efficiency: Relieve damages caused by free radical, replenish water into skin with obvious anti-oxidation function.
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The oxidation number of an atom in an elemental substance is zero.
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To deoxidation of the coloring matter by substances, which have a great tendency to become oxidised or peroxised; _e. g._ hydrogen, in the case of decolorisation by sulphuretted hydrogen, nascent hydrogen, and the protoxides of iron and tin, &c.
The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, o
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Serious restaurants will use crystal stemware of sufficient size to allow swirling and sniffing, and decanters should also be available for young wines in need of oxidation or old wines with sediment.
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+ NADH + H+ + O2 = 1,2-epoxypropane + NAD+ + H2 O Reaction type epoxidation oxidation redox reaction reduction 543
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A systematic study was conducted to oxidation-reduction reaction of many kinds of small molecule alcohol with bichromate. A detailed analysis was conducted to reaction process.
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The influent solution was sparged continuously with N2 gas to maintain anoxic conditions for the bacteria and to prevent aerobic oxidation of the materials in the wastewater.
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The results showed that the fragment walnut kernel's peroxide value and acid value are increasing in the time of accelerated oxidation.
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As has already been stated oxidation yields the aldhyde methanal, but further oxidation of this will yield the carboxylic acid methanoic acid.
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An oxidized zinc ore from Inner Mongolia was found to be very difficult to treat due to its features of high oxidation rate, heavy weathering and the intimate association of hemimorphite and limonite.
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Secoisolariciresinol diglucoside is a bioactive molecule effective in anticancer, antivirus, and antioxidation.
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One influential school of thought focuses on the effects of oxidation reactions brought about by active oxygen species generated by photochemical reactions involving blue and UV light.
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On oxidation with nitric acid caffeine gives cholesterophane (dimethyl parabanic acid), but if chlorine water be used as the oxidant, then it yields monomethyl urea and dimethyl alloxan (E. Fischer).
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"
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The color due to ferric iron is yellow, not green, and ferric iron is not driven off but rather is reduced in oxidation state to ferrous iron.
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Our study has shown that CDA-II was a good scavenger of hydroxyl radical, and it inhibited lipid peroxidation in brain homogenates.
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The extract from the heartwood is not a dye until it undergoes oxidation into hematein, which is an acid chromogen.
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It seems that up to 50 percent of schizophrenics have a biochemical quirk called the mauve factor a chemical by-product from oxidation injury to our fats and proteins.57These odd compounds can bind to zinc and vitamin B6, leading to a functional zinc deficiency.
The UltraMind Solution
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In the absence of melanin, the ascorbic acid undergoes metal-catalyzed autoxidation.
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The oxidation peak current for pyrogallol at the MWNT-modified GCE increased significantly compared with that at the bare GCE.
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Olive oil also contains squalene and oleuropein, which are powerful antioxidants, protecting blood cholesterol from oxidation.
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In this chromate, as in many others, the affinity of the chromic acid to the base is small; the former is liable to separate from the latter, and, by deoxidation, to become converted into green oxide of chromium.
Field's Chromatography or Treatise on Colours and Pigments as Used by Artists
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In contrast to alpha acids, it is not isomerized beta acids that add bitterness, is the oxidation products of the beta acids, which are bitter and soluble, that make their presence felt.
FAQ: The Hops FAQ Revision 3 by Norm Pyle/Mark Garetz and Al Korzonas
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Steel, balls, stock for bolts, making composition of deoxidation for chisels and punches forging of give it a chance heat treatment of high speed making
The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel
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Namely, ethanol has both the hypoglycemic effects through decreased gluconeogenesis and increased glucose oxidation and the hyperglycemic effects through decreased glycogenesis and increased glycogenolysis.
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It may be that development in the near future will reveal the importance for our organism of copper concerning oxidation and of vitamin C with certain followers in plants, viz. oxidating enzyme, and oxidizable and reducible substances
Physiology or Medicine 1937 - Presentation Speech
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The operation results show that the basic oxidation is effect to decrease the contents of ammonia nitrogen, phosphide and salt. This is very favorable to the following biological treatment.
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Warburg had shown that this yellow pigment is involved in catalysis of the oxidation of hexose-monophosphoric acid during yeast metabolism.
Richard Kuhn and the Chemical Institute: Double Bonds and Biological Mechanisms
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In some foundries in which combustion cannot be properly controlled, oxidizing fluxes are added during melting, followed by final deoxidation by phosphor copper.
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In electrochemical analysis by such methods as anodic stripping voltammetry, cyclic voltammetry, differential pulse polarography, and potentiometry, the anode always functions as the site of oxidation.
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The important principles around which practically all quantitative methods may be grouped are: Neutralization, solubility-product, oxidation-reduction, colorimetry, and evolution and measurement of gases.
The University of Virginia Record
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Subsequent oxidation-reduction reactions can also produce superoxide anions, hydrogen peroxide and hydroxyl radicals.
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MVK will further react to give methyl glyoxal, which is also a product of the photooxidation of alkylated benzenes like toluene and xylene.
Isoprene
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The oxidation of one molecule of glucose via glycolysis and cell respiration releases enough energy to form 38 ATP molecules.
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These compounds differ in the level of oxidation of the flavane nucleus and in the number and position of hydroxyl, methyl, and methoxyl substituents.
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The metal polish comes in a bottle or pre-moistened towelettes, contains no ammonia or abrasives and removes tarnish, rust, water stains, fingerprints and oxidation.
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Three steps are needed by using "total number of rising and dropping oxidation number" to balance equation.
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the operating conditions of the oxidation pond
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The new oil is formulated with high-quality Group II base stocks and uses a proprietary, premium additive package containing ashless dispersants, oxidation inhibitors, metallic detergents and a metallic anti-wear agents.
Business Wire Travel News
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However, excessive P addition results in a larger degree of superheat of the melt, hence aggravating the oxidation.
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Cysteamine had many biological functions, such as, exhauting somatostatin, modulating metabolism of carbohydrate, protein and fat, anti-oxidation and oxidation and improving immunofunction.
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Traditional siccatives use lead, manganese or cobalt metals to promote oxidation whereas alkyd resin is used in modern driers.
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After 48 hours, the fish were removed and their brains studied for evidence of lipid peroxidation, a tissue-burning chemical reaction that toxicologists use as a standard of biological damage.
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However, excessive P addition results in a larger degree of superheat of the melt, hence aggravating the oxidation.
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the oxidation number of hydrogen is +1 and of oxygen is -2
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When reduction or oxidation occurs, the metal ion in each part of the reaction is a half-cell, and these half-cells are connected by a salt bridge.
CreationWiki - Recent changes [en]
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The oxidation number of the halogens other than fluorine is - 1, unless they are bonded to oxygen or a more electronegative halogen.
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This method of production is still used although oxidation of methane, pyrolysis of alkanes, and cracking of hydrocarbons are more commonly encountered.
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This investigation deals with the formation mechanism of tantalum anode oxidation membrane.
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Hardfacing applies a coating for the purpose of reducing wear or loss of material by abrasion, impact, erosion, oxidation, cavitations, etc.
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This can be due to a reduction in light interception as leaf expansion is reduced or as leaves senesce, and to reductions in C fixation per unit leaf area as stomates close or as photo-oxidation damages the photosynthetic mechanism.
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In addition, the laboratory offers a specialist expertise in the diagnosis of lysosomal, galactosemia and fatty acid oxidation enzyme defects for which diseases the laboratory has a National and International reputation.
Laboratory Rotation
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There is a large industrial market for synthetically epoxidized vegetable oils (such as linseed or soybean), but the epoxidation process is expensive.
16: Oils
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It can also be formed by oxidative deoxyribose breakdown or autoxidation of sugars, such as glucose, and it plays a role in the pathophysiology of diabetes and ageing.
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We may therefore accept it as practically demonstrated by the researches of Beebe, Hunt, and others that the oxidation of alcohol in the liver is simply one of the defensive activities of that organ, _i.e. _, it is a protective oxidation and belongs strictly in the same category with the oxidation of uric acid, xanthin bodies, leucin, tyrosins, and the amido acids.
Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say
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The flavonoids, apigenin, flavone, flavanone, hesperidin, naringin, and tangeretin promoted the ascorbic acid-induced lipid peroxidation, the extent of which depended upon the concentration of the flavonoid and ascorbic acid.
Wil's Ebay E-Store
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It also was observed that the more manganese the iron contains the less readily the percentage of silicium is diminished; and since manganese is more subject to oxidation than silicium, it is capable to reduce silicic acid of the slag or lining to metal, and thus to augment the amount of silicium in cast iron.
Scientific American Supplement, No. 483, April 4, 1885
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In every redox reaction, an atom must increase its oxidation state and an atom must decrease its oxidation state.
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At the concentration found in supplements, the polyphenol can increase fat oxidation and thermogenesis (the generation of body heat), which burns calories.
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The process composed of hydrolysis acidification and biological contact oxidation adopted to treat wool washing wastewater.
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But whatever may be the variations in the mere quantity of urine voided under the influence of alcohol, the alterations in quality pretty uniformly show an increase in the products of imperfect internal metamorphosis or oxidation, such as uric acid, oxalates, casts, leucocytes, albumen and potassium, with less of the normal products, as urea and salts of sodium.
Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say
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About 0.03 to 0.2% of the electrons generated by ammonia oxidation were used for chlorocarbon degradation.
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In addition to producing lactic acid, lactobacilli also have the ability to produce hydrogen peroxide through oxidation of reduced nicotinamide adenine dinucleotide (NADH) by flavin nucleotide, which reacts rapidly with gaseous oxygen.
1 Upgrading Traditional Biotechnological Processes
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In a vacuum furnace, carbon is an excellent deoxidizer, and the deoxidation product, carbon monoxide gas, is continuously removed under vacuum.
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Some vitamins and other substances work as antioxidants by fighting the oxidation caused by free radicals.
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Aspergillus niger [1] Pseudomonas fluorescens [2] Pseudomonas putida (01 [2-6, 8]; ORC [7]) [2-7, 8, 9] 3 Reaction and Specificity Catalyzed reaction orcinol + NADH + H+ + O2 = 2,3,5-trihydroxytoluene + NAD+ + H2 O Reaction type oxidation redox reaction reduction Natural substrates and products S orcinol + NADH + O2
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These steels are not deliberately strengthened by alloying elements other than carbon; they contain some manganese for sulfur stabilization and silicon for deoxidation.
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Substrates are formed by one of three processes: decomposition (hydrolytic breakdown of plant litter, oxidation, fermentation); N mineralization, and photosynthesis and photorespiration.
Effects of changes in climate and UV radiation levels on function of arctic ecosystems in the short and long term
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In the preface to his book he expressed his intention to relate chemical research to industrial processes and in the same year he reported the results of his work on electrolytic oxidation and reduction, in which he showed that definite reduction products can result if the potential at the cathode is kept constant.
Fritz Haber - Biography
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The oxidation further enhances the physical properties of carbon black filled nitrile butadiene rubber ( NBR ) .
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To exploit sesamin as a natural food antioxidant, the antioxidation activity of sesamin at high temperature was studied.
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While researching the biological combustion processes, the Hungarian Nobel Prize Laureate biochemist Albert von Szent-Gyorgyi found that bioflavonoids improved the absorption of vitamin C as well as protecting it from oxidation.
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In 1980 he carried out successful experiments that led to a practical method for the catalytic asymmetric oxidation of allylic alcohols to chiral epoxides.
The Nobel Prize in Chemistry 2001 - Information for the Public
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Warburg had shown that this yellow pigment is involved in catalysis of the oxidation of hexose-monophosphoric acid during yeast metabolism.
Richard Kuhn and the Chemical Institute: Double Bonds and Biological Mechanisms
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Rims of individual leaf bases oxidize first, with the oxidation front proceeding inward or across the leaf base.
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It must also be "doped", which means that electrons are removed (through oxidation) or introduced (through reduction).
Press Release: The 2000 Nobel Prize in Chemistry
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An indication of oxidation numbers or formal charge in Lewis structures and the resulting mesomeric structures is important in some branches of chemistry.
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A species is oxidized in a reaction if it undergoes a increase in oxidation number.
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There are three broad classes of corrosion-inhibiting admixtures, using different chemical mechanisms to control oxidation and the resulting corrosion - anodic inhibitors, cathodic inhibitors, and organic inhibitors.
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Nitric acid is produced industrially by the oxidation of ammonia over a platinum catalyst at a high temperature.
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The sum of oxidation numbers for all atoms in a polyatomic ion equals the charge on the ion, and the sum of all oxidation numbers for atoms in a neutral molecule equals zero.
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One of the commonest processes for this is the reaction of oxygen, or oxygen containing species, with the dye energised by light, or photo-oxidation.
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The scarcity of the metal precludes their present introduction as pigments, but if the chromates of thallium were found to resist the action of light and air, and not to become green by deoxidation of the chromic acid, they might possibly prove fitted for the palette.
Field's Chromatography or Treatise on Colours and Pigments as Used by Artists
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The oxidation state of any atom in an uncombined element is equal to zero.
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Moreover, unlike the sensitivity of acute heat shock or celastrol treatment to DTT, HSF1A activation of HSF1 was not inhibited by this exogenous thiol reductant, suggesting that HSF1A does not promote HSF1 activation by inducing thiol oxidation and protein damage.
PLoS Biology: New Articles
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The action of light in this, as well as in the other photographic processes with metallic salts described in this work, is one of deoxidation, as shown by Herschel.
Photographic Reproduction Processes
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To study efficiency of nucleoside peptide nutrient on antioxidation function of rat by 3 dosage group.
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Oxidation of primary alcohols to carboxylic acids Alcohols possessing two hydroxy groups located on adjacent carbons - that is, 1,2-diols - suffer oxidative breakage at a carbon-carbon bond with some oxidants such as sodium periodate (NaIO4) or lead tetraacetate (Pb (OAc) 4), resulting in generation of two carbonyl groups.
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I have seen realgar inclusions in colemanite turn yellow in a few months (no oxidation possible).
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Phase identification and microchemical -analysis of the oxidized layer on the surface of a high temperature cast iron were performed. The mechanism of oxidation-resisting was explored.
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Oxidation of the deposit is quite extensive, and limonite is common; therefore, although I did not observe goethite, it is probably present.
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Similarly, in crayfish, entry of nitrite into the blood plasma is associated with the oxidation of copper atoms (Cu1+ → Cu2+), whereby functional hemocyanin is converted into methemocyanin that cannot bind reversibly to molecular oxygen.
Inorganic nitrogen pollution in aquatic ecosystems~ causes and consequences
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The oxidation peak current for pyrogallol at the MWNT-modified GCE increased significantly compared with that at the bare GCE.
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Reoxidation of the polysilicon sidewall prior to silicon nitride spacer formation exacerbates the undercut.
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By one-step epoxidation of double bond in the side chain of cardanol, epoxy-cardanol has been synthesized, which may interact with diethylene triamine to form amino-cardanol.
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The chief constituents of the oil are anethol, methyl chavicol, d-pinene, l-phellandrene, and in older oils, the oxidation products of anethol, _viz. _ anisic aldehyde and anisic acid.
The Handbook of Soap Manufacture
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The coating has a high resistance to oxidation and prevents any plastic deformation of the nano-crystallite, eliminating any boundary slip in the matrix that forms the coating.
Manufacturingtalk - manufacturing industry news
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At standard temperature and pressure it is a colorless, oily liquid with an unpleasant odor that turns brown due to slow oxidation by air.
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He is perhaps best known for his discovery of "high oxidation state carbene" (alkylidene complexes) by alpha hydrogen abstraction in high oxidation state metal alkyl complexes.
MIT World: Recent Updates
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In the case of binary covalent compounds, the positive oxidation number is assigned to the more electropositive element, and the negative oxidation number to the more electronegative element.
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In the case of ethanol, oxidation can occur under the action of certain species of bacteria.
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Warburg had shown that this yellow pigment is involved in catalysis of the oxidation of hexose-monophosphoric acid during yeast metabolism.
Richard Kuhn and the Chemical Institute: Double Bonds and Biological Mechanisms
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Thermatoga microorganisms are known to play a role in the anaerobic oxidation of hydrocarbons to alcohols, organic acids and carbon dioxide.
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By using oxidation modification and quick - drying agent, the quick - drying type of corn starch adhesive is developed.
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(+) - catechin, morin, fisetin, chrysin, and 3-hydroxyflavone, all showed varying extents of inhibition of the nonenzymatic lipid peroxidation, induced by either ascorbic acid or ferrous sulfate.
Wil's Ebay E-Store
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The latter spectrum was measured after reduction of cyt-c with ascorbic acid, followed by oxidation using ferricyanide.
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At one particular stage of the process it is converted into one or other of two substances, called humin and ulmin, both insoluble in alkalies, and apparently identical with the insoluble humus of the soil; but when the decomposition is more advanced the products become soluble in alkalies, and then contain humic, ulmic, and geic acids, and finally, by a still further progress, crenic and apocrenic acids are formed as the result of an oxidation occurring at certain periods of the decay.
Elements of Agricultural Chemistry
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Oxidation of the dye molecule injects electrons into the semiconducting electrode.
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Loteprednol etabonate was synthesized through oxidation, acylation, hydrolysis and chloromethylation from the starting material prednisolone.
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In dauer states (dauer-specific induction), FA oxidation (Figure 4B) and the glyoxylate cycle were active.
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I was impressed by the high oxidation state chemistry of osmium imido complexes being carried out by K. Barry Sharpless at MIT and invited him to DuPont to give a talk, probably in late 1974.
Richard R. Schrock - Autobiography
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So it is handled within a negative-pressure-ventilated hot cell with an inert atmosphere of argon to prevent oxidation.
FLOATING CITY
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This oxidizing process leads to the formation of a guanine radical cation, similar to that formed by DNA photoionization which may be considered as the main intermediate in DNA oxidation.
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Epoxidation, the conversion of an olefin (an unsaturated alkene hydrocarbon) to a cyclic ether through reaction with hydrogen peroxide, a peracid, or oxygen, is an important chemical technique.
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This chromium oxide film is passive and stable, and it seals the base metal from exposure to the atmosphere, thereby precluding further oxidation.
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Old pewter develops a patina or film of thin oxide which is difficult to replicate, and this type of oxidation is one of the things collectors look for to confirm age.
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For aluminum siding, any surface oxidation must be completely removed by careful, light rubbing with steel wool.
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Deoxidation of the metal frequently takes place in the ladle, leaving only a short time for the deoxidation products to be removed.
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In a study conducted at Laval University, researchers concluded that high-intensity intervals appeared to favor fat oxidation more than low-to moderate-intensity cardio did.
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The important peroxisomal and related fatty acid oxidation disorders
THE MEDICAL NEWS
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Though almost all research on lignans has centered on flaxseed lignans, there are concerns regarding the content of cyanogenic glycosides in flaxseeds and the potential for oxidation of ground flaxseed powder and flaxseed oil.
Forever Young
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The catalysis and oxidation Coulomb method to measure organic Chlorides is introduced.
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In shallow waters like here, oxidation's also very quick and ordinary objects become quite unrecognizable.
A DAYSTAR OF FEAR
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The enzyme dihydrolipoyl dehydrogenase, with FAD + as a cofactor, catalyzes that oxidation reaction.
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As a consequence, the oxidation of other oxidizable aminoacids within the pocket has to be considered.
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a class of chemical compounds midway between the alcohols and the organic acids in their state of oxidation.
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_Vanillin_, a white crystalline solid, melting at 80°-82° C. and prepared by the oxidation of isoeugenol.
The Handbook of Soap Manufacture
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Finally, Dr Armstrong mentioned that the volatile portion of the distillate from the non-volatile product of the oxidation of oil of turpentine in moist air furnishes ordinary cymene when treated in the manner above described.
Scientific American Supplement, No. 275, April 9, 1881
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To prevent oxidation after bottling and before corking, he uses a blanket of inert gas, as do some winemakers and, like many winemakers, synthetic stoppers.
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The principal ore mineral is uranophane, a hydrated calcium-uranium silicate, which is believed to be an oxidation product of pitchblende.
The Economic Aspect of Geology
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Their oxidation products include an array of arsenates, selenates, and selenites.
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Malondialdehyde, formed from the breakdown of polyunsaturated fatty acids, serves as a convenient index for determining the extent of the peroxidation reaction.
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The promotive action of flame heating to catalytic oxidation was stated.
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Several major forms of oxidative modifications can occur on amino acid residue side chains, including carbonylation, nitrosylation, and oxidation of methionine to methionine sulfoxide
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Just aft of the close-coupled catalyst sits a particulate filter and secondary oxidation catalyst.
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Similarly, concentrations of lipid peroxides, as indicators of lipid oxidation, were unchanged.
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Olive oil also contains squalene and oleuropein, which are powerful antioxidants, protecting blood cholesterol from oxidation.
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Further studies in vitro and in vivo were interpreted as showing ß-carotene to act as an anticarcinogen, whereas its oxidation product acted as a carcinogen, possibly related to the instability of the beta-carotene molecule in the free radical-rich environment in the lungs of cigarette smokers.
Innovations-report
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Nitric oxide can react with superoxide yielding peroxynitrite, an oxidizing agent that induces lipid peroxidation, sulfhydryl oxidation of proteins, and nitration of aromatic amino acids.
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The increased durability and additional surface oxidation protection results in a low initial error rate and extended recording life.
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The hydroperoxidation product (EPHP) was used to initiate olefine monomers, such as styrene, etc. for grafting copolymerization and examination of toughening effect of the grafted EP in the blend.
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This is a complex autocatalytic oxidation-reduction reaction in which one of the active species changes color on oxidation.
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The energy contained in the food-stuffs is made available by a biological oxidation
Nobel Prize in Chemistry 1961 - Presentation Speech
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Nucleophiles can be added, leading to coordinated cyclopentadienes, which may be liberated by oxidation and used in further synthesis.
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All submitted answers are subject to the rules set forth in our Privacy Policy and Terms of Use. from Sourdough Dave wrote 3 weeks 6 days ago bluing is a controlled oxidation of the steel so the surface has a bluish luster and by already being oxidized prevents that other form of oxidation called rust.
What exactly is a blued barrel?
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The carbon dioxide is the final oxidation product carbonaceous compound, which arosed the global greenhouse effect.
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Large amounts of polyunsaturated fats are prone to oxidation and consume large amounts of endogenous antioxidants to keep from becoming peroxidized.
Vegetarians AGE faster | The Blog of Michael R. Eades, M.D.
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The steel passing from the tundishes to the moulds is again shrouded with refractory tubes to prevent reoxidation.
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To prevent “photooxidation” and the development of stale, harsh aromas, olive oil is best stored in the dark—in opaque cans, for example—and in cool conditions, which slow all chemical reactions.
On Food and Cooking, The Science and Lore of the Kitchen
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Retinoic acid is derived mainly by local synthesis through the enzymatic oxidation of retinol.
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To prevent oxidation of polyphenol and its interference with activity of Taq polymerase; 2-mercaptoethanol was added to an extraction buffer and insoluble polyvinylpyrrolidone was added to leaves when they were ground.
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Xanthine oxidase catalyses the oxidation of xanthine and hypoxanthine to uric acid and is a well-known producer of superoxide radicals.
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The unsuitable carbonitriding process, internal oxidation, over deep depth of carbonitrided layer and crust like C N compound on the surface are the main reasons to cause fracture.
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While changes in resting energy expenditure did not differ between groups, fat oxidation was a tick higher at the end of the study in the capsinoid group.
Dr. Sharma’s Obesity Notes » Blog Archive » Spicing Up Weight Loss?
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Neither sulfite nor bisulfite are sure-fire protectors of phenidone or ascorbic acid against oxidation.
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Fluxes are therefore used to protect the melt from oxidation, to agglomerate nonmetallic inclusions originating with the charge, and to break up and collect the oxide inclusions and skins that may form during melting.
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He discovered one certain type of solvent called allylic alcohols that turned off the oxidation.
Undefined
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He believes the hydrocarbons exert a direct influence only; being more oxidizable than fats, they guard the latter from oxidation.
Scientific American Supplement, No. 821, September 26, 1891
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However, it is not chemically inert. oxidation states of gold include +1 (gold (I) or aurous compounds) and +3 (gold (III) or auric compounds).
Zach Klein Universal Feed
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Without a strict control of hydrocarbons and water, mirror degradation as a result of carbonization, oxidation, or etching will occur.
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Apart from climate and pest control, English wine is greatly hampered by dodgy winemaking, with oxidation and overdosing with sulphur still common faults.
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Japanese scientists isolated a isoflavonoid from green barley, having strong anti-oxidant properties especially concerning lipid peroxidation.
Wil's Ebay E-Store
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Berzelius overlooked - accounts only uncertainly for the promotion of sulphurous acid oxidation by stating that the oxygen would be supplied to the oxidizable substance by the oxides of nitrogen in a more convenient or suitable form
Wilhelm Ostwald - Nobel Lecture
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“Many people have assumed that the hematite in ancient rocks formed by the oxidation of siderite in the modern atmosphere,” said Hiroshi Ohmoto, professor of geochemistry, Penn State.
Deep-sea Rocks Point To Early Oxygen On Earth | Impact Lab
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By surrounding hot metals with inert argon, the metals are protected from potential oxidation by oxygen in the air.
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Their oxidation products include an array of arsenates, selenates, and selenites.
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In organic chemistry it is thus more convenient to describe carbon in terms of its valency than its oxidation numbers.
