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Index of chemical compounds with the same name
or nitrogen monoxide Nitrogen dioxide (NO2), nitrogen(IV) oxide Nitrogen trioxide (NO3), or nitrate radical Nitrous oxide (N2O), nitrogen(0,II) oxide Dinitrogen
Nitrogen_oxide
Colorless gas with the formula NO
Nitric oxide (nitrogen oxide, nitrogen mono-oxide, or nitrogen monoxide) is a colorless gas with the formula NO. It is one of the principal oxides of nitrogen
Nitric_oxide
Colourless non-flammable greenhouse gas
agriculture, as nitrogen fertilisers are digested into nitrous oxide by soil micro-organisms. As the third most important greenhouse gas, nitrous oxide substantially
Nitrous_oxide
Chemical compound
Nitrogen dioxide is a chemical compound with the formula NO2. One of several nitrogen oxides, nitrogen dioxide is a reddish-brown gas. It is a paramagnetic
Nitrogen_dioxide
Solutions of nitric oxide in dinitrogen tetroxide
Mixed oxides of nitrogen (MON) are solutions of dinitrogen trioxide (N2O3) in dinitrogen tetroxide/nitrogen dioxide (N2O4 and NO2). It may be used as
Mixed_oxides_of_nitrogen
Chemical element with atomic number 7 (N)
nitroprusside control blood pressure by metabolising into nitric oxide. Many notable nitrogen-containing drugs, such as the natural caffeine and morphine or
Nitrogen
Term for nitric oxide and nitrogen dioxide
atmospheric chemistry, NOx is shorthand for nitric oxide (NO) and nitrogen dioxide (NO2), the nitrogen oxides that are most relevant for air pollution. These
NOx
Rain that is unusually acidic
infrastructure. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce sulfuric
Acid_rain
Regulated areas on airborne emissions
added via protocol defined in Annex VI. ECAs with nitrogen oxides thresholds are denoted as nitrogen oxide emission control areas (NECAs). In 1972 with the
Emission_control_area
Device to detect nitrogen oxide
A nitrogen oxide sensor or NOx sensor is typically a high-temperature device built to detect nitrogen oxides in combustion environments such as an automobile
Nitrogen_oxide_sensor
Chemical compound
referred to as mixed oxides of nitrogen (MON) and can be distinguished by its green-blue color. Larger additions of nitric oxide, up to 25–30%, also lower
Dinitrogen_tetroxide
Chemical compound
H2O C + O2 → CO2 Elemental nitrogen (N2) is difficult to convert to oxides, but the combustion of ammonia gives nitric oxide, which further reacts with
Oxide
Biogeochemical cycle by which nitrogen is converted into various chemical forms
organic nitrogen, ammonium (NH+4), nitrite (NO−2), nitrate (NO−3), nitrous oxide (N2O), nitric oxide (NO) or inorganic nitrogen gas (N2). Organic nitrogen may
Nitrogen_cycle
Chemical compound
(also known as nitrogen pentoxide or nitric anhydride) is the chemical compound with the formula N2O5. It is one of the binary nitrogen oxides, a family of
Dinitrogen_pentoxide
Any chemical compound having at least one nitrogen atom
chemical element nitrogen is one of the most abundant elements in the universe and can form many compounds. It can take several oxidation states; but the
Nitrogen_compounds
Chemical compound
compound with the formula N2O3. It is a nitrogen oxide. It forms upon mixing equal parts of nitric oxide and nitrogen dioxide and cooling the mixture below
Dinitrogen_trioxide
Chemical compound containing the functional group R3NO
amine oxide, also known as an amine N-oxide or simply N-oxide, is a chemical compound that has the chemical formula R3N+−O−. It contains a nitrogen-oxygen
Amine_oxide
Family of antimicrobial molecules
Reactive nitrogen species (RNS) are a family of antimicrobial molecules derived from nitric oxide (•NO) and superoxide (O2•−) produced via the enzymatic
Reactive_nitrogen_species
Highly corrosive mineral acid
tend to acquire a yellow cast over time due to decomposition into oxides of nitrogen. Most commercially available nitric acid has a concentration of 68%
Nitric_acid
Medical condition
in advanced cases. Prolonged exposure to relatively low levels of nitrogen (II) oxide may cause persistent headaches and nausea. Like chlorine gas poisoning
Nitrogen_dioxide_poisoning
Chemical process for producing nitric acid
strength and nitric oxide yield, platinum metal on fused silica wool, copper, or nickel to form nitric oxide (nitrogen(II) oxide) and water (as steam)
Ostwald_process
1988 environmental treaty
Transboundary Air Pollution Concerning the Control of Emissions of Nitrogen Oxides or Their Transboundary Fluxes, opened for signature on 31 October 1988
Nitrogen_Oxide_Protocol
2010s diesel emissions scandal involving Volkswagen
using a Japanese on-board emission testing system, detected additional nitrogen oxide (NOx) emissions from two out of three tested vehicles, both made by
Volkswagen_emissions_scandal
Process to reduce nitrogen oxide emissions from power plants
Selective non-catalytic reduction (SNCR) is a method to lessen nitrogen oxide emissions downstream of a combustion process. Its conventional application
Selective non-catalytic reduction
Selective_non-catalytic_reduction
Poisonous gas consisting of carbon and oxygen
carbon dioxide (CO2). Peroxy radical subsequently reacts with nitrogen oxide (NO) to form nitrogen dioxide (NO2) and hydroxyl radical. NO2 gives O(3P) via photolysis
Carbon_monoxide
Automotive supplement
When a mole of nitrous oxide decomposes, it releases half a mole of O2 molecules (oxygen gas), and one mole of N2 molecules (nitrogen gas). This decomposition
Nitrous_oxide_engine
Group 15 elements of the periodic table with valency 5
widely used semiconductor after silicon. Nitrogen forms a limited number of stable III compounds. Nitrogen(III) oxide can only be isolated at low temperatures
Pnictogen
Chemical compound
combustion: all nitrogen oxides are unstable with respect to N2 and O2, which is the principle behind the catalytic converter. Nitrogen oxides can be formed
Ammonia
Functions of nitric oxide in organisms
Biological functions of nitric oxide are roles that nitric oxide plays within biology. Nitric oxide (nitrogen monoxide) is a molecule and chemical compound
Biological functions of nitric oxide
Biological_functions_of_nitric_oxide
Conversion of dinitrogen into ammonia
nitrogen fixation. Nitrogen can be fixed by lightning converting nitrogen gas (N 2) and oxygen gas (O 2) in the atmosphere into nitrogen oxides (NOx). The N
Nitrogen_fixation
Chemical compound
(August 1998). "Nitrogen oxides and hydroxyguanidines: formation of donors of nitric and nitrous oxides and possible relevance to nitrous oxide formation by
Sodium_nitrite
Presence of dangerous substances in the air
beings or the environment. Pollutants can be gases, like ozone or nitrogen oxides, or small particles like soot and dust. Both outdoor and indoor air
Air_pollution
Soil pollution crisis
reactive nitrogen compounds, in particular ammonia (NH3) and nitrogen oxides (NOx). Ammonia is released into the air from animal manure, nitrogen oxides are
Nitrogen crisis in the Netherlands
Nitrogen_crisis_in_the_Netherlands
Type of oxide
Some oxides, like aluminium oxides, are amphoteric, while some oxides may be neutral. Acidic oxides are of environmental concern. Sulfur and nitrogen oxides
Acidic_oxide
Effects of air pollution on reproduction
fetus than on the pregnant woman. Nitrogen oxides (NOx) are a group of highly reactive gases that contain nitrogen and oxygen. They form when fossil fuels
Pollution_and_reproduction
Chemical reaction between a fuel and oxygen
78 percent nitrogen, will also create small amounts of several nitrogen oxides, commonly referred to as NOx, since the combustion of nitrogen is thermodynamically
Combustion
Chemical compound
oxide or nitrogen trifluoride oxide is an inorganic molecule with the chemical formula F3NO. It has strong fluorinating powers. Trifluoramine oxide was
Trifluoramine_oxide
Ocean pollution
responsible for more than 3% of greenhouse gas emissions and 18% of nitrogen oxides pollution. Although maritime transport is the most energy-efficient
Environmental impact of shipping
Environmental_impact_of_shipping
Coal-fired power station in Australia
to 2011. As of 2021, the Vales Point Power Station emits more toxic nitrogen oxide pollutants than allowable under the NSW Protection of the Environment
Vales_Point_Power_Station
Reduction of nitrate as a form of anaerobic respiration
reduced and ultimately produces molecular nitrogen (N2) through a series of intermediate gaseous nitrogen oxide products. Facultative anaerobic bacteria
Denitrification
Contamination of water bodies
nitrogen oxide into the atmosphere. The main sources of sulfur and nitrogen compounds that result in acid rain are anthropogenic, but nitrogen oxides
Water_pollution
NOx reduction technique used in gasoline and diesel engines
In internal combustion engines, exhaust gas recirculation (EGR) is a nitrogen oxide (NOx) emissions reduction technique used in petrol/gasoline, diesel
Exhaust_gas_recirculation
Initiative taken by the United States Environmental Protection Agency
effort to reduce overall atmospheric levels of sulfur dioxide and nitrogen oxides, which cause acid rain. The program is an implementation of emissions
Acid_Rain_Program
Hypothetical climatic effect of nuclear war
rapid expansion and cooling, cause large amounts of nitrogen oxides to form from the oxygen and nitrogen in the atmosphere (very similar to what happens in
Nuclear_winter
Environmental issue in Europe
diesel fuel. All cruise ships together also accounted for 15% of the nitrogen oxide (NOx) particles emitted by all of Europe's passenger vehicles, and released
Cruise ship pollution in Europe
Cruise_ship_pollution_in_Europe
Automotive industry scandal
and the Jeep Renegade, exceeded legal European emission limits for nitrogen oxide (NOx) by more than 10 times. ICCT and ADAC showed the biggest deviations
Diesel_emissions_scandal
Catalytic combustion process using a catalyst to reduce pollutants
to speed desired oxidation reactions of fuel and so reduce the formation of undesired products, especially pollutant nitrogen oxide gases (NOx) far below
Catalytic_combustion
Smoke-like, fog-like air pollutions
London fog. This kind of visible air pollution is composed of nitrogen oxides, sulfur oxide, ozone, smoke and other particulates. Man-made smog is derived
Smog
Exhaust emission control device
(CO2) and water (H2O). "Three-way" converters, which also reduce oxides of nitrogen (NOx), were first commercialized by Volvo on the California-specification
Catalytic_converter
Chemical compound
the chemical formula N3−NO2. It is an unstable nitrogen oxide consisting of a covalent nitrogen–nitrogen bond between a nitro group and an azide group
Nitryl_azide
Microscopic solid or liquid matter suspended in the Earth's atmosphere
including PM2.5 and PM10, black and brown carbon, carbon monoxide, nitrogen oxides (NOx), sulfur dioxide and ozone. The chemical composition of the emitted
Particulate_matter
Chemical which reduces air pollution from diesel engines
selective catalytic reduction (SCR) that lowers the concentration of nitrogen oxides (NO x) in the diesel exhaust emissions from a diesel engine. In the
Diesel_exhaust_fluid
Bacteria using nitrate and nitrite as a terminal electron acceptor
(NIR), nitric oxide reductase (NOR) and nitrous oxide reductase (NOS), turning nitrogen oxides back to nitrogen gas (N2) or nitrous oxide (N2O). The reducing
Denitrifying_bacteria
Burning of fuel with pure oxygen
and reused rather than lost in the flue gas. Because nitrogen from air is absent, nitrogen oxide production is greatly reduced. If the fuel contains sulfur
Oxy-fuel_combustion_process
Mixture of nitric acid and hydrochloric acid in a 1:3 molar ratio
also contain nitric oxide (NO). Because nitric oxide readily reacts with atmospheric oxygen, the gases produced also contain nitrogen dioxide, NO2 (red
Aqua_regia
Gases emitted as a result of fuel reactions in combustion engines
typically shown simply as "HC" on emissions-test slips) from unburnt fuel, nitrogen oxides (NOx) from excessive combustion temperatures, and particulate matter
Exhaust_gas
Chemical compound
Nitrogen trioxide or nitrate radical is an oxide of nitrogen with formula NO 3, consisting of three oxygen atoms covalently bound to a nitrogen atom.
Nitrate_radical
Polyatomic ion (NO3, charge –1) found in explosives and fertilisers
anion, the oxidation state of the central nitrogen atom is V (+5). This corresponds to the highest possible oxidation number of nitrogen. Nitrate is
Nitrate
Overview of pollution in the U.S. state of California
harmful substance that results from the combustion process is nitrogen oxide. Nitrogen oxide is formed not as a deformity, but rather is a result of the
Pollution_in_California
Iron manganese tungstate mineral
catalyst, which is used in the treatment of nitrogen oxide emissions to convert harmful nitrogen oxides into inert N2 gas. Another modern-day use of
Wolframite
Gas exiting to the atmosphere via a flue
small amounts of nitrogen oxides (NOx), sulfur dioxide (SO2) and particulate matter. The nitrogen oxides are derived from the nitrogen in the ambient air
Flue_gas
Substance added to soil to enhance plant growth
redeposition followed by nitrification in the soil or previous oxidation to nitrogen oxides in the atmosphere before redeposition as nitric acid. The concentration
Fertilizer
Locomotive powered by a diesel engine
revising their calculations, they concluded that the annual emissions of nitrogen oxide, a major ingredient in smog and acid rain, and soot would be by 2030
Diesel_locomotive
Anion and chemical group (–N3)
marks the oxidation state of the nitrogen in each species.) Azide (−1/3) (the reductant, electron donor) is oxidized in N2 (0), nitrous oxide (N2O) (+1)
Azide
Reciprocating internal combustion engine
catalyst substrate. When nitrogen oxide (NOx) from the exhaust gases enters the catalyst, it is then selectively reduced to nitrogen and water. From 2013
GM_Medium_Diesel_engine
Portmanteau name for nitrite derivatives
acid. Sodium nitrite is made industrially by passing a mixture of nitrogen oxides into aqueous sodium hydroxide or sodium carbonate solution: NO + NO2
Nitrite
Chemical compound
azide is an inorganic compound of nitrogen and oxygen with the chemical formula N3−N=O. It is a highly labile nitrogen oxide with the empirical formula N4O
Nitrosyl_azide
Fuel oils of a tar-like consistency
emissions upon combustion, such as sulfur dioxide, carbon monoxide, and nitrogen oxides. It is predominantly used for marine vessel propulsion in marine diesel
Heavy_fuel_oil
Gaseous exhaust produced by a diesel engine
such as asthma, and many premature deaths. Methods exist to reduce nitrogen oxides (NOx) and particulate matter (PM) in the exhaust. Some countries have
Diesel_exhaust
Industrial process
H2O → 3 H2SO4 + 2NO Nitric oxide is reoxidized by air to nitrogen dioxide: 2NO + O2 → 2 NO2 Nitric oxide combines with nitrogen dioxide: NO + NO2 ⇌ N2O3
Lead_chamber_process
Topics referred to by the same term
Nox may refer to: NOx, a generic term for the mono-nitrogen oxides: Nitric oxide (NO) Nitrogen dioxide (NO2) Nox (unit) (nx), a unit of illuminance
Nox
Chemical compound (C5H5NO)
are usefully effected using pyridine N-oxide followed by deoxygenation. The oxygen suppresses reaction at nitrogen atom and promotes substitution at the
Pyridine-N-oxide
Supercomputer developed by xAI
which "emits significant amounts of harmful pollutants, including nitrogen oxides (“NOx”) and formaldehyde, which are tied to increases in asthma, respiratory
Colossus_(data_center)
Motor vehicle
modeled after the yellow boxfish, Ostracion cubicus, and has 80% lower nitrogen oxide emissions with its selective catalytic reduction technology. The Bionic
Mercedes-Benz_Bionic
Substances in the gas phase at a temperature lower than its critical point
An ampule of nitrogen oxide vapor: brown nitrogen dioxide and colorless dinitrogen tetroxide, in equilibrium
Vapor
Cloud of debris and smoke from a large explosion
of yield produces about 5,000 tons of nitrogen oxides. A higher-yield detonation can carry the nitrogen oxides from the burst high enough in atmosphere
Mushroom_cloud
Device for firing solid fuels in buildings
such as sulfur oxides, mercury compounds, and particulate matter but also leads to the production of nitrogen oxides, primarily nitrogen dioxide...The
Fireplace
Triatomic oxygen molecule
oxides of the metals in their highest oxidation state. For example: Cu + O3 → CuO + O2 2 Ag + O3 → Ag2O + O2 Ozone oxidises nitric oxide to nitrogen dioxide:
Ozone
known for the discovery of the direct synthesis of L-citrulline and nitrogen oxides from L-arginine by murine activated macrophages, published in January
John_Hibbs_(academic)
Chemical compound
decomposition into magnesium oxide, oxygen, and nitrogen oxides: 2 Mg(NO3)2 → 2 MgO + 4 NO2 + O2. The absorption of these nitrogen oxides in water is one possible
Magnesium_nitrate
Work done divided by heat provided
pollutants must be balanced against higher levels of pollutants such as nitrogen oxides (NOx), which are created at higher combustion temperatures. This is
Engine_efficiency
Reciprocating internal combustion engine
and a new intake port increases air flow and swirl control, improving nitrogen oxide (NOx) emissions and performance. "General Motors India Launches All-New
GM_Family_Z_engine
Inhalation of nitrous oxide for psychoactive effects
Nitrous oxide (N2O), commonly referred to as laughing gas, along with various street names, is an inert gas which can induce euphoria, dissociation, hallucinogenic
Recreational use of nitrous oxide
Recreational_use_of_nitrous_oxide
Chemical process
reduction (SCR) means converting nitrogen oxides, also referred to as NO x with the aid of a catalyst into diatomic nitrogen (N 2), and water (H 2O). A reductant
Selective_catalytic_reduction
1963 US federal law to control pollution
promulgated regulations for sulfur oxides, particulate matter, carbon monoxide, photochemical oxidants, hydrocarbons, and nitrogen dioxide (36 FR 22384). Initially
Clean_Air_Act_(United_States)
Device that converts the chemical energy from a fuel into electricity
source, very small amounts of nitrogen dioxide and other emissions. PEMFC cells generally produce fewer nitrogen oxides than SOFC cells: they operate
Fuel_cell
Series of gas turbine engines developed by Chrysler
develop a sixth generation gas-turbine engine which finally met US nitrogen oxide regulations, and installed it in a 1966 Dodge Coronet, though it was
Chrysler_turbine_engine
Narcotic effects of respiratory nitrogen
Nitrogen narcosis (also known as narcosis while diving, inert gas narcosis, raptures of the deep, Martini effect) is a reversible alteration in consciousness
Nitrogen_narcosis
Class of enzymes
In enzymology, a nitrous oxide reductase also known as nitrogen:acceptor oxidoreductase (N2O-forming) is an enzyme that catalyzes the final step in bacterial
Nitrous-oxide_reductase
Acidification of freshwater by rain
reservoir. Freshwater acidification is primarily caused by sulfur oxides (SOx) and nitrogen oxides (NOx) entering the water from atmospheric depositions and soil
Freshwater_acidification
Chemical reaction with oxidation state changes
reduction–oxidation or oxidation–reduction) is a type of chemical reaction in which the oxidation states of the reactants change. Oxidation is the loss
Redox
Chemical compound
around 70 °C (158 °F). At 155 °C (311 °F), DAP emits phosphorus oxides, nitrogen oxides and ammonia." DAP is used as a fertilizer. When applied as plant
Diammonium_phosphate
Chemical element with atomic number 45 (Rh)
converter, changing harmful unburned hydrocarbons, carbon monoxide, and nitrogen oxide exhaust emissions into less noxious gases. Of 30,000 kg of rhodium consumed
Rhodium
Chemical compound
doped with nitrogen ions or doped with metal oxide like tungsten trioxide, exhibits excitation also under visible light. The strong oxidative potential
Titanium_dioxide
American biochemist (1916–2009)
Lindahl, S G (1998), "The Nobel Prize 1998 in physiology or medicine. Nitrogen oxide as a signal molecule in the cardiovascular system", Ugeskrift for Læger
Robert_F._Furchgott
Cyclic compound (C2H4O)
mixture with carbon dioxide (8.5–80% of ethylene oxide), nitrogen, or dichlorodifluoromethane (12% ethylene oxide). It is applied for gas-phase sterilization
Ethylene_oxide
Cruise ship
from the exhaust, and a selective catalytic reduction system to reduce nitrogen oxide emissions. The ship partially produces her own energy through a 1 megawatt
Scarlet_Lady
Type of brick
Polytechnic University in 2006. Its major feature is to catalyze the nitrogen oxide and other pollutants in air into non-hazardous substances. Eco-Blocks
Eco-Block
forms via nitrogen fixation before it can be used for growth. Common Nr species include nitrogen oxides (NO x), ammonia (NH 3), nitrous oxide (N 2O), as
Reactive_nitrogen
Eighth generation of Golf compact car
system featuring dual AdBlue selective catalytic reduction, which lowers nitrogen oxide emissions (NOx) by up to 80% compared to the Mk7. A 2.0-litre turbocharged
Volkswagen_Golf_Mk8
NITROGEN OXIDE
NITROGEN OXIDE
NITROGEN OXIDE
NITROGEN OXIDE
Girl/Female
Greek French
Light.
Surname or Lastname
Chinese
Chinese : there are two sources for this character for Wen, which also means ‘warm’. One is a territory named Wen, and the other an area named Wenyi. Descendants of rulers of these areas adopted Wen as their surname.Chinese : from a character that also means ‘literature’. Its origin, however, is from the given name of an ancient personage called Wen.Chinese : from a character that also means ‘hear’. During the Spring and Autumn period (722–481 bc), in the state of Lu there existed a man who has a supplementary name, Wenren. His descendants adopted the first character of his name, Wen, as their surname.English : unexplained.
Girl/Female
Tamil
Dark as cloud, Goddess Kali
Girl/Female
Indian
Sunset
Boy/Male
Irish Gaelic
Graceful.
Surname or Lastname
English
English : patronymic from Sim.
Boy/Male
Hindu
Model state of india
Girl/Female
Tamil
Collected
Boy/Male
Assamese, Indian
Fragrance
Girl/Female
Tamil
NITROGEN OXIDE
NITROGEN OXIDE
NITROGEN OXIDE
NITROGEN OXIDE
NITROGEN OXIDE
v. t.
To deprive of, or free from, nitrogen.
n.
The act or process of freeing from nitrogen; also, the condition resulting from the removal of nitrogen.
a.
Containing or derived from nitrogen having a lower valence than in nitrous compounds.
n.
A binary compound of oxygen with an atom or radical, or a compound which is regarded as binary; as, iron oxide, ethyl oxide, nitrogen oxide, etc.
n.
A binary compound of nitrogen with a more metallic element or radical; as, boric nitride.
n.
A colorless nonmetallic element, tasteless and odorless, comprising four fifths of the atmosphere by volume. It is chemically very inert in the free state, and as such is incapable of supporting life (hence the name azote still used by French chemists); but it forms many important compounds, as ammonia, nitric acid, the cyanides, etc, and is a constituent of all organized living tissues, animal or vegetable. Symbol N. Atomic weight 14. It was formerly regarded as a permanent noncondensible gas, but was liquefied in 1877 by Cailletet of Paris, and Pictet of Geneva.
a.
Containing, or derived from, carbon and nitrogen.
a.
See Nitrous.
a.
Of, pertaining to, or resembling, nitrogen; as, a nitrogenous principle; nitrogenous compounds.
n.
Same as Nitrogen.
n.
An apparatus for measuring or determining the proportion of nitrogen; a nitrometer.
v. t.
To impregnate with azote, or nitrogen; to nitrogenize.
n.
An apparatus for determining the amount of nitrogen or some of its compounds in any substance subjected to analysis; an azotometer.
a.
Pertaining to azote, or nitrogen; formed or consisting of azote; nitric; as, azotic gas; azotic acid.
n.
The act, process, or result of combining with nitrogen or some of its compounds.
n.
The act or process of oxidizing nitrogen or its compounds so as to form nitrous or nitric acid.
v. t.
To combine, or impregnate, with nitrogen or its compounds.
n.
A compound of nitrogen and boro/, which, when heated before the blowpipe, gives a brilliant phosphorescent; boric nitride.
a.
Devoid of nitrogen; as, a nonnitrogenous principle; a nonnitrogenous food. See the Note under Food, n., 1.