In a second method, toluene is mixed with nitric acid and oxidized to produce benzoic acid. |
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When nitrobenzene is nitrated with nitric and sulfuric acids, for example, 93 percent of the substituted groups end up at meta positions. |
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The responsible nerves appear to include both excitatory cholinergic fibers and inhibitory fibers that probably release nitric oxide. |
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Common oxidants include the halogens, oxygen, ozone, potassium permanganate, potassium dichromate, nitric acid, and concentrated sulfuric acid. |
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Reactive metals will react with nitric acid to give the metal nitrate and hydrogen gas. |
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Aqua regia is basically a mixture of nitric and hydrochloric acids, and it is one of the few chemical reagents potent enough to corrode gold. |
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For example, a mixture of concentrated nitric and sulfuric acids will nitrate benzene. |
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The authors speculate that HVPC reverses wound area expansion and increases microcirculation by release of nitric oxide in the microenvironment. |
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A fourth target just over the horizon might be the promotion of local nitric oxide synthesis in bone by statins. |
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Elements that had been located within the protoplasts were solubilized by digestion with concentrated nitric acid. |
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This application of topical nitric oxide may stimulate wound fibroblasts to increase collagen synthesis and remodeling. |
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It is usually assumed that when lead glance is opened up with nitric and tartaric acids and water, the silver remains in solution as nitrate. |
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Gamma-tocopherol partially protects insulin-secreting cells against functional inhibition by nitric oxide. |
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It works by affecting a molecule called nitric oxide, which expands blood vessels. |
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He then put concentrated nitric acid into the tube and the tar didn't dissolve. |
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The prill is then weighed, flattened out and rolled until very thin, and then placed in nitric acid, which dissolves away or parts the silver. |
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The absorbency of nitric acid ions in the solution is measured using UV absorptiometer at a wavelength of 220 nm. |
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The inducible nitric oxide synthase has also been localized in normal skeletal muscles. |
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Nitrogen oxides can react with hydrocarbons to yield nitric acid, a primary ingredient in acid rain. |
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It induces the production of nitric oxide and inhibits the activation of monocyte chemoattractant protein. |
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The last step of adipic acid synthesis involves nitric acid oxidation, resulting in the formation of nitrous oxide as a byproduct. |
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Nitrates act as donors of nitric oxide, a molecule with a recognized potential for genotoxicity. |
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The procedure was stopped when the nitric acid in the solution was almost completely evaporated. |
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Current methods involve many solvent extraction cycles and vitrification after nitric acid treatment and evaporation. |
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A nitronium ion, made by treating nitric acid with sulfuric acid, is the electrophile. |
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Oxidizing acids such as nitric acid or strong sulphuric acid cannot be handled with copper alloys. |
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Also, nitric oxide synthase will produce superoxide in lieu of nitric oxide when arginine concentration is low. |
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Levels of nitric oxide, nitrogen dioxide and sulphur dioxide remained at a normally low level. |
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Both nitric oxide and nitrogen dioxide can be toxic at higher concentrations. |
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When glycerol is treated with a mixture of sulfuric and nitric acid, a yellow oily liquid nitroglycerin is formed. |
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Thus, organic nitrates such as glyceryl trinitrate may be viewed as prodrugs of endogenous nitric oxide. |
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The pill is unfortunately too expensive to serve as a food preserver, but researchers are already working on a cheaper nitric oxide vehicle. |
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In these reactions the ozone reacts with nitric oxide to produce nitrogen dioxide. |
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It is formed from the reaction of nitric oxide with superoxide, and produces carbonyls on proteins. |
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One medical gas, nitric oxide, has been licensed as an orphan drug and increased in price. |
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Cellulose reacts with nitric and sulfuric acids to produce cellulose nitrate. |
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We used perchloric acid because we found it much more effective at dissolving fluoride residues than either hydrochloric or nitric acid. |
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This process is complicated by the fact that nitric acid acts as a strong oxidizing agent as well as an acid. |
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This material was incorrectly termed nitrocellulose and was created by a reaction between nitric acid, sulfuric acid, and cellulose. |
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Sgt Pete Scholley said the spillage was a combination of diluted forms of hydrochloric acid, nitric acid and sulphuric acid. |
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Dr. Miller says a compound called nitric oxide is known to play a role in the dilation of the endothelium. |
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Nitrates are formed from reacting nitric acid with metal oxides, hydroxides, or carbonates. |
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Here the two reservoir substances chloric acid and chloride nitrate can react with each other and set free chloride atoms and nitric acid. |
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Chromium additions impart improved resistance to oxidizing media such as nitric and chromic acids. |
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Production was not abrogated by inhibitors of cyclooxygenases, xanthine oxidase, nitric oxide synthases, and mitochondrial enzymes. |
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There is evidence that insulin resistance decreases the synthesis of nitric oxide. |
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Two other very important inorganic compounds that are synthesized commercially are ammonia and nitric acid. |
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These include things such as urea, ammonia, nitric acid, and ammonium phosphate. |
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From natural gas, the factory produced ammonia, then nitric acid, urea and ammonium nitrate. |
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He isolated around twenty different airs, including hydrogen chloride, nitric oxide, and ammonia. |
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One popular explosive for industrial use is made from fertilizers like ammonium nitrate or urea, fuel oil, and nitric or sulfuric acid. |
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Sure, there are other nitric oxide generators out there, all claiming some sort of delivery system. |
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Nitrogen dioxide is a brown gas, transformed from nitric oxide contained in emissions. |
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Similar to nitrous acid, nitric oxide gives rise to reactive nitrous anhydride that can induce nitrosative deamination of DNA bases. |
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Magnesia, quicklime, and nitric acid all seemed promising for a time, but failed. |
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It is well known that high-temperature free radical reactions can be quenched by the presence of nitric oxide, itself a free radical. |
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Old time gun makers stained their stocks with aqua fortis, a combination of nitric acid diluted with distilled water and iron filings. |
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Nitric acid at this phase is called aqua fortis and when it is concentrated, concentrated nitric. |
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Gold also resists attack by most acids but is soluble in aqua regia, a mixture of three parts hydrochloric acid and one part nitric acid. |
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The thiol group of s-nitrosothiol essentially protects nitric oxide from being scavenged by the binding site on heme. |
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Aliquot of the plant material was digested with nitric sulphate. |
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Recent studies have investigated the source and target neurons for the diffusible neuronal messenger molecule nitric oxide in the nervous system of the locust. |
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Teramoto et al raise the interesting point that an increase in nitric oxide is responsible for a poor or absent hypoxic pressor response as a cause of hypoxemia. |
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Ether can be oxidized by nitric acid to produce ethanoic acid. |
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The effects of the nitric oxide synthase inhibitor on the response to histamine were mimicked by vagotomy or selective nerve blockade with tetrodotoxin. |
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In pure water irradiated by ultrasound under aerobic conditions, it is possible to find free oxygen and hydrogen, hydrogen peroxide and superoxide, nitrous and nitric acids. |
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Military personnel may have had contact with hydrazines and nitric acid when they disarmed or disposed of Scud missiles or were downwind of a missile explosion. |
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This sets up a chemical reaction which turns the gas into nitric acid and the nitric acid is neutralised by calcium carbonate which is also suspended in the paint. |
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Inhaling nitric acid fumes can cause irritation or burns to the respiratory system and may lead to pneumonia and a collection of fluid in the lungs, which can be fatal. |
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Because it's difficult to grow blood vessels in the laboratory, investigators have struggled to identify the molecules that convert nitroglycerin into nitric oxide. |
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Anole splenocytes were phagocytically active and produced copious amounts of nitric oxide following exposure to fluorescein labeled E. coli bioparticles. |
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For instance, the nitrogen cycle in the atmosphere is highly complex with a number of variables affecting the nitrate and nitric acid generation that can end up in the ice. |
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New case compositions ensure good combustibility and no residues even under extreme conditions while limiting migration of nitric ester from gun propellants. |
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Documented functions of HBs include storage and transport of oxygen, nitric oxide detoxification, and facilitating oxygen diffusion in symbiotic tissues. |
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Biosynthesis of NO involves oxidation of the guanidine group of arginine with stoichiometric formation of citrulline by the enzyme nitric oxide synthase. |
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In both cases the nitric oxide is produced by a reaction from a chemical called L-arginine. The chemical reaction is catalysed by an enzyme called nitric oxide synthase. |
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The cytokines, in turn, cause the formation of nitric oxide that combines with superoxide to form the potent oxidant peroxynitrite, thus continuing the cycle. |
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When ammonia is reacted with nitric acid, ammonium nitrate is produced. |
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In combination with nitric acid, toluene gives trinitrotoluene. |
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Evidence from human and animal studies indicates nitric oxide inhibits uterine contractility and may help maintain uterine quiescence during pregnancy. |
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The homogenized egg samples were always stored in polyethylene bottles pre-washed with nitric acid, and they were placed in a refrigerator until chemical analysis. |
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The endothelium produces several regulatory mediators, including nitric oxide and prostacyclin, which are vasodilators, and endothelin, which is a vasoconstrictor. |
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Modulation of nitric oxide, hydrogen peroxide and cytokine production in a clonal macrophage model by the trichothecene vomitoxin. |
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It is mainly used in the chemical facilities producing nitric acid and grisoutite. |
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It does not react with hydrofluoric, hydrochloric, hydrobromic, hydriodic, sulfuric, or nitric acid. |
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Technetium dissolves in aqua regia, nitric acid, and concentrated sulfuric acid, but it is not soluble in hydrochloric acid of any concentration. |
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Technetium can catalyse the destruction of hydrazine by nitric acid, and this property is due to its multiplicity of valencies. |
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Acid gas scrubbers are used to remove hydrochloric acid, nitric acid, hydrofluoric acid, mercury, lead and other heavy metals. |
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During the cleanup and recovery process, it will also generate air pollutants such as nitric oxides and ozone from ships. |
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Further, wet or anaerobic soils also lose nitrogen through denitrification, releasing the greenhouse gases nitric oxide and nitrous oxide. |
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The ammonia produced in the Haber process is the main raw material for production of nitric acid. |
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Similarly, reacting sulfuric acid with potassium nitrate can be used to produce nitric acid and a precipitate of potassium bisulfate. |
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In the reaction chambers, nitric oxide reacts with oxygen to produce nitrogen dioxide. |
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Sulfur dioxide and nitrogen dioxide are absorbed in the liquid and react to form sulfuric acid and nitric oxide. |
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Nitrogen dioxide is hydrated to produce nitrous acid which then oxidizes the sulfur dioxide to sulfuric acid and nitric oxide. |
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In the 1940s and early 1950s, aniline was used with nitric acid or dinitrogen tetroxide as rocket fuel for small missiles and the Aerobee rocket. |
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Malondialdehyde, nitric oxide and adrenomedullin levels in patients with primary dysmenorrhea. |
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Effects of endothelium-derived nitric oxide on peripheral arteriolar tone in man. |
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It produces urea, ammonia, sodium carbonate and bicarbonate, nitric acid, argon, agricultural ammonium nitrate and methanol. |
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The ingredients in your nitric oxide supplement, Neo40, include sodium nitrate. |
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For these analyses, samples were digested with a mixture of per chloric acid and nitric acid and cooled to room temperature. |
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Involvement of nitric oxide synthesis in hepatic perturbations induced in rats by a necrogenic dose of thioacetamide. |
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Several studies have suggested that active nitric oxide tends to be less abundant in blacks than in whites. |
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Possible role of nitric oxide in the nootropic and antiamnesic effects of neurosteroids on ageing and dizocipline-induced learning impairment. |
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The nitric and hydrofluoric acid steps were repeated 3 times due to undissolved materials. |
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Regulation of mucociliary motility by nitric oxide and expression of nitric oxide synthase in the human sinus epithelial cells. |
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Estrogen induces nitric oxide production via activation of constitutive nitric oxide synthases in human neuroblastoma cells. |
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The main liquid oxidisers are liquid oxygen, nitric acid, nitrogen tetroxide and High Test Peroxide. |
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Each mol of nitric acid gives three mol of nitrous acid which is therefore present in the final solution to the amount of 0.048 mol per liter. |
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Effects of gamma interferon and nitric oxide on the interaction of Mycobacterium avium sub species paratuberculosis with bovine monocytes. |
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The collodion is derived from a flammable compound known as guncotton dissolved in sulfuric and nitric acids. |
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Reversible inhibition of photophosphorylation in chloroplasts by nitric oxide. |
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Resveratrol, a polyphenolic phytoalexin present in red wine, enhances expression and activity of endothelial nitric oxide synthase. |
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Distinct effects of naringenin and hesperetin on nitric oxide production from endothelial cells. |
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Inhibition of rat cerebellar nitric oxide synthase by 7-nitroindazole and related substituted indazoles. |
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The first step of the project involves nitration of fluorene, a commercially available and relatively inexpensive starting material, using nitric acid in acetic acid. |
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To determine the role of nitric oxide in RSV pathogenesis we compared the ability of epithelial cells from different anatomical sites to produce NO following RSV invection. |
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Seventy-two percent of women with idiopathic PAH received advanced therapies, including prostacyclin analogs, bosentan, sildenafil, or nitric oxide. |
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Vasodilation also occurs as OPtainl20 increases nitric oxide production, therefore increasing the diameter of the blood vessels and reducing blood pressure. |
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The current treatment of uraemia that has proven to be safe and effective is conjugated oestrogen therapy which decreases concentration of nitric oxide. |
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Molecular control of nitric oxide synthases in the cardiovascular system. |
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Before ICP-AES testings membranes were nitrified in hot nitric acid. |
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Naugatuck expanded its product lines to include nitric acid, muriatic acid, hydrofluoric acid, acetic acid, nitrobenzene, aniline and antimony sulphides. |
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The amount of bismuth in the saturated solution was determined spectrophotometrically at 465 nm complexing it with thiourea in nitric acid medium. |
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Possible involvement of nitric oxide in long-term potentiation. |
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Pearson found Scheele's lithic acid in all of them, and among its properties he noted the pink color produced by evaporation with strong nitric acid. |
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Among the entries are acute pulmonary oedema, carbon monoxide, encephalopathy, haemophilia, lice, nitric acid, protozoa, Ross River virus disease, and yellow fever. |
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As the spokesperson explained, Nitroxyl Performance is currently the only nitric oxide booster that contains large amounts of both beet root extract and L-Citrulline. |
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Some antihypertensive drugs can cause headache, especially nitric oxide donors including amyl nitrate, isosorbide, nitroglycerin, and sodium nitroprusside. |
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When aldoses are exposed to strong oxidizing agents, such as nitric acid, both the aldehyde carbon atom and the hydroxyl carbon are oxidized to carboxyl groups. |
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The process designs of the nitric acid and ammonium nitrate units will apply the technologies of Espindesa, a subsidiary of Tecnicas Reunidas of Spain. |
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Anhydrous ammonia can be converted to ammonium nitrate using nitric acid. |
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Alternatively, sodium sulfate is or was formed in the production of lithium carbonate, chelating agents, resorcinol, ascorbic acid, silica pigments, nitric acid, and phenol. |
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The liberated nitric oxide is sparingly soluble in water and returns to the gas in the chamber where it reacts with oxygen in the air to reform nitrogen dioxide. |
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Because of such reasons, damage posed by sulfuric acid is potentially more severe than that by other comparable strong acids, such as hydrochloric acid and nitric acid. |
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When strong nitric acid is added to an aqueous solution of any of the proteids, a white precipitate forms, which turns yellow on heating the liquid. |
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Combustion of fossil fuels generates sulfuric, carbonic, and nitric acids, which fall to Earth as acid rain, impacting both natural areas and the built environment. |
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Gold is resistant to most acids, though it does dissolve in aqua regia, a mixture of nitric acid and hydrochloric acid, which forms a soluble tetrachloroaurate anion. |
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Muscular structure, enzyme activity, constitutive and inducible nitric oxide synthases, nitrites, nitrates, nitrotyrosine, and the presence of macrophages were analyzed. |
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Systemic markers of oxidative stress include nitric oxide and malonyl dialdehyde, while antioxidant markers are erythrocyte superoxide dismutase and gluthathionperoxidase. |
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The galena of the ore contains microscopic inclusions of various forms that become visible upon polished surfaces etched with hydrochloric or nitric acid. |
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Tumor necrosis factor-alpha production, inducible nitric oxide synthase, and endothelial nitric oxide synthase protein expression were analyzed in visceral adipose tissue. |
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John's wort, to relieve meningeal nociception in an animal model induced by administration of the nitric oxide donors glyceryl trinitrate and sodium nitroprusside. |
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Following proper safety precautions, pour out a small amount of fuming nitric acid and fuming sulfuric acid into separate labeled vials while under the fume hood. |
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Increased nitric oxide also has been demonstrated in the spermatic veins of patients with varicocoele, which could be responsible for the spermatozoal dysfunction. |
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