| 释义 |
nitrogen dioxide
nitrogen dioxiden. A deadly poisonous reddish brown gas, NO2, denser than air, often found in smog and automobile exhaust fumes and synthesized for use as a nitrating agent, a catalyst, and an oxidizing agent.nitrogen dioxide n (Elements & Compounds) a red-brown poisonous irritating gas that, at ordinary temperatures, exists in equilibrium with dinitrogen tetroxide. It is an intermediate in the manufacture of nitric acid, a nitrating agent, and also an oxidizer for rocket fuels. Formula: NO2 ni′trogen diox′ide
n. a reddish brown, highly poisonous gas, NO2, used in the manufacture of nitric and sulfuric acids and as a nitrating and oxidizing agent: a major air pollutant. Thesaurus| Noun | 1. | nitrogen dioxide - a highly poisonous brown gas (NO2)dioxide - an oxide containing two atoms of oxygen in the moleculegas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely |
Translationsnitrogen dioxide
nitrogen dioxide[′nī·trə·jən dī′äk‚sīd] (inorganic chemistry) NO2 A reddish-brown gas; it exists in varying degrees of concentration in equilibrium with other nitrogen oxides; used to produce nitric acid. Also known as dinitrogen tetroxide; liquid dioxide; nitrogen peroxide; nitrogen tetroxide. nitrogen dioxide
nitrogen dioxideNO2, a toxic greenhouse gas, produced primarily by the combustion of fossil fuels. It is a powerful oxidant that can cause lung injury when inhaled at high concentrations. CAS # 10102-44-0See also: nitrogennitrogen dioxide A toxic oxide of nitrogen that in concentrations of over about 100 parts per million will cause irritation of the nose and throat, watering of the eyes, cough, headache, and nausea and vomiting. UK occupational exposure safe limits are 5 ppm for 15 minutes and 3 ppm for an 8 hour day.See NO2
See NO2nitrogen dioxide
Related to nitrogen dioxide: Nitrogen monoxideWords related to nitrogen dioxidenoun a highly poisonous brown gas (NO2)Related Words |