A colorless nonmetallic element of atomic number 7, tasteless and odorless, comprising four fifths of the atmosphere by volume in the form of molecular nitrogen (N2). 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, such as ammonia, nitric acid, the cyanides, etc, and is a constituent of all organized living tissues, animal or vegetable. Symbol N. Atomic weight 14.007. It was formerly regarded as a permanent noncondensible gas, but was liquefied in 1877 by Cailletet of Paris, and Pictet of Geneva, and boils at -195.8 ° C at atmospheric pressure. Liquid nitrogen is used as a refrigerant to store delicate materials, such as bacteria, cells, and other biological materials.
An element. A high nitrogen content in water, together with phosphorus and organic substances, can lead to increased biological activity in water, known as eutrophication.
A nonmetallic element that constitutes nearly four-fifths of the air by volume, occurring as a colorless, odorless, almost inert diatomic gas in various minerals and in all proteins. It is used in a wide variety of important manufacturers, including ammonia, nitric acid, TNT and fertilizers.
A chemical element (N) that occurs in nature as a gas and makes up nearly 79% of the Earth's atmosphere.
A colorless, odorless, tasteless gas that makes up 78% of the atmosphere and is part of all living tissues.
The 14th of the 107 elements. Nitrogen is important for plant growth and is found in many commercial fertilizers. It also is found in the environment in different forms (sometimes as a gas, sometimes as a compound with Oxygen or Hydrogen), from both natural and man-made sources. Because of this, it is often washed through a watershed into a stream or river. If there is too much Nitrogen in the water, it is a pollutant.
A nonmetallic element making up nearly four fifths of the air by volume. It is colorless and odorless and found in various minerals and all proteins.
one of the major nutrients required for the growth of plants (including aquatic plants). Nitrogen is usually found in water as organic nitrogen or inorganic nitrate and ammonia. High concentrations of nitrogen can cause an overabundance (bloom) of aquatic plant and algal growth.
One of the three major nutrients in a complete fertilizer and the first one listed in the formulation on a fertilizer label (as 10-8-6, for example).
Elemental nitrogen (N) is a colorless gas making up about 78% of the Earth's atmosphere by volume. In metals, nitrogen is present in solid compounds with other elements, such as iron and chromium. Nitrogen is added to the AL-6XN alloy to minimize chi phase formation, to improve its corrosion resistance, increase its strength over a broad temperature range, and to retain the good formability of austenitic stainless steel.
Chemical element essential for the growth of plants and animals; a gas constituting 79% of the atmosphere.
An odorless, colorless, generally inert gas. It comprises 79% of the earth's atmosphere in the free state.
An inert gas that is the largest single component of the atmosphere (approximately 78%). Used in athletic shoe cushioning systems by Nike and Ryka.
Major element essential to the growth and vitality of African Violets. One of the three primary elements. Nitrogen is important for overall growth and the development of green leaves and stems.
a gas that has no color, taste, or smell; it makes up most of the air we breathe.
effectively (but not precisely) alternative term for proteins
A gas used in the Electron Beam Curing process to reduce oxygen levels in the atmosphere and facilitate the curing process. See EBC.
Symbol: N Atomic mass: 14.0067 Atomic Number: 7. Element which makes up about 80% of the atmosphere. In compounds, it has a wide variety of uses, including fertiliser, explosives, coolants, flavourings for food.
an inert gas used to pressurize a shock. This keeps pressure on the shock oil to prevent cavitation, or foaming, which will thin the oil ruin the shock's performance.
A colorless, odorless, tasteless gas constituting about 4/5 of the air we breathe. Used in the production of ammonia, acrylonitrile, quick-freezing foods, cryogenics, inflating tires. Hazard: Simple asphyxiant.
A colourless, odourless, unreactive gas.
An unreactive diatomic gas which forms about 78% of the atmosphere.
A naturally occurring element which can enter the water from the catchments. Is used by plants as a nutrient.
an essential element of plants promoting vegetative growth
One of the nine macronutrients. Nitrogen is a major component of plants; it is a building block of amino acids, proteins, and nucleic acids (genetic material), chlorophyll, and enzymes. Though nitrogen is in air, it is only available to plants once it has been fixed by soil microorganisms. Nitrogen deficiency is not uncommon; it is readily apparent as chlorosis and stunted growth. Deficiencies can be remedied by adding manure, compost, urea, seed meal, or blood meal. Leguminous cover crops will also supply nitrogen.
an inert gas used for jetting wells.
An element found in the air and in all plant and animal tissues. For many crops, nitrogen fertilizer is essential for economic yields. However, nitrogen can also be a pollutant when nitrogen compounds are mobilized in the environment (e.g., leach from fertilized or manured fields), are discharged from septic tanks or feedlots, volatilize to the air, or are emitted from combustion engines. As pollutants, nitrogen compounds can have adverse health effects (see nitrate and air pollution) and contribute to degradation of waters (see eutrophication).
Common forms of nitrogen are: organic, ammonia, nitrite and nitrate. Nitrogen in wastewater can promote the growth of algae.
normally a diatomic gas, but also a cryogenic liquid (a liquid at low temperature). Its vapors are odorless, tasteless, and nonflammable. Nitrogen is used in purging, blanketing, pressurizing systems, and cooling systems. It also is used as a carrier gas in chemical vapor deposition and at ambient temperature for sintering and annealing.
a common typically colorless, odorless, tasteless gas that constitutes 78 percent of Earth's atmosphere, is a part of all living tissues and important for plant growth. Found in many commercial fertilizers, it is often washed through a watershed into streams or rivers where large amounts can act as a pollutant.
An element occurring in manure and chemical fertilizer that is essential to the growth and development of plants, but which, in excess, can cause water to become polluted and threaten aquatic animals.
Nitrogen is a very common gas -- so common, in fact, that it composes almost 4/5 of our atmosphere. Nitrogen forms covalent bonds as well as hydrogen bonds, and has valences of -3, -5, +4, and +2. Nitrogen is element #7, and N's atomic mass is 14.0067. At STP, N has a density of 1.251 g/L. N melts at 63.15 K and boils at 77.344 K. It is a highly electronegative element, with an electronegativity of 3.04.
Azote Stickstoff, m Nitrógeno Major plant nutrient especially important for plants to develop foliage and stem growth.
A nutrient which is essential to all biota, including plants, animals and bacteria; needed to form proteins and genetic material
The element that comprises four-fifths of the earth's atmosphere. The essential element for energy for the microbes in composting.
Element number 7, a colorless, odorless, tasteless gas that makes up about 80% of the earth's atmosphere.
A colorless, odorless and inert gas that can be used to purge or clean contaminants from an A/C system; also used as a ‘final sweep’ through a system to attract and remove moisture when a system has been opened for a prolonged period of time.
(N) is used primarily by plants and animals to synthesize protein. Nitrogen enters the ecosystem in several chemical forms and also occurs in other dissolved or particulate forms, such as tissues of living and dead organisms.
Oxides (NOx) Gases consisting of one molecule of nitrogen and varying numbers of oxygen molecules. Nitrogen oxides are produced, for example, by the combustion of fossil fuels in vehicles and electric power plants. In the atmosphere, nitrogen oxides can contribute to formation of photochemical ozone (smog), impair visibility, and have health consequences; they are considered pollutants.
One of the elements essential as a nutrient for growth of organisms.
An element introduced into the spa via urine, perspiration, hair spray, cosmetics, etc. Reduces the effectiveness of sanitizers and forms skin and eye irritating chloramines.
A gaseous element which makes up approximately 80% of the earths atmosphere. Nitrogen is relatively inert and does not support either combustion or life. Nitrogen is usually found in the molecular N2 form.
chemical element and nutrient needed for plant growth.
a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
a gas with no color or smell; a chemical element. It makes up about 80% of the air around Earth. It is a part of all living things.
A gas that is an ingredient of natural gas. Nitrogen molecules each contain two nitrogen atoms.
Gas that occurs naturally in the air and soil, where it is converted into usable forms for plant use by bacteria and other natural processes.
Primary plant macronutrient and a major component of proteins and nucleic acids. Inert atmospheric dinitrogen gas must be converted to soluble forms in the soil. A major way it is converted is through the action of nitrogen-fixing bacteria symbiotically associated with the roots of leguminous plants. Common soluble soil forms are the ammonium monovalent cation and the nitrate monovalent anion.
An atmospheric gas that forms many compounds in the body (such as proteins) and is a component of all living cells.
gas in the atmosphere that is a component of proteins.
A chemical constituent (nutrient) essential for life. Nitrogen is a primary nutrient necessary for plant growth.
the gaseous, essential element for plant growth, composing 78 percent of the atmosphere, which is quite inert and unavailable to most plants in its natural form.
One of the three main nutrients required by all plants. The other two are potassium (potash) and phosphorus. Without a supply of each of these in a form available to the plant, it will not grow and will probably die. All three are naturally present in the soil, but an excess of certain chemicals may 'lock them up' so that they become unavailable. Adding plenty of organic matter will usually help to make the nutrients easier for plants to take up, although the process is not instantaneous. Organic fertilisers and manures in general are not fast acting. However, a good fast source of nitrogen is dried blood, which can be mixed with water and watered onto the surface of the soil.
A major nutrient essential for plant growth.
One of three essential nutrients (phosphorus and potassium are the others) for healthy plants. Nitrogen fuels vegetative growth. On fertilizer packages, it is the N in N-P-K.
(N); a macronutrient that makes up 78% of the Earth's soil and is involved in virtually all biochemical processes that sustain plant and animal life
An element that is a component of protein structures in living organisms.
Flushing A method of packaging coffee in which inert nitrogen gas is flushed over the coffee to displace oxygen in the package.
a substance required by all living things to make protein
in the forms of nitrate, nitrite, or ammonium, is a nutrient needed for plant growth. About 78% of the air that we breathe is composed of nitrogen gas. Some forms of nitrogen are commonly deposited in acid rain. Although nitrogen is abundant naturally in the environment, it is also introduced through sewage and fertilizers.
Readily vaporizes in air to a colorless, odorless gas that is used as a cryogenic refrigerant. Liquid nitrogen removes heat from its surroundings as it vaporizes. It is a Synfuels Plant byproduct.
(N2)A colorless and tasteless gas that is an essential constituent of proteins.
A nutrient that fuels the growth of algae, resulting in low oxygen waters (hypoxia) when the algae die and subsequently decompose.
A chemical element commonly used in fertilizer as a nutrient, which is also a component of animal wastes. As one of the major nutrients required for plant growth, nitrogen can promote algae blooms that cause water body eutrophication if it runs off or leaches out of the surface soil. Nitrogen is immediately usable for plant growth in available forms (NO3-) or (NH4+)
A gas that makes up most of the Earth's atmosphere. Nitrogen is not a greenhouse gas.
An inert gas used by winemakers to take up headspace in a carboy or bottle. Since nitrogen is heavier than air, its presence helps displace oxygen and keep it away from your wine. This helps to prevent oxidation.
Element number 7, a colorless, odorless, tasteless gas that is biologically important. Nitrogen is a constituent of protein and nucleic acids and is present in all living cells. Nitrogen does not support respiration and is fatal if breathed alone, because of the lack of oxygen . Nitrogen is soluble in the blood and body fluids and, when released as bubbles of gas, can have serious or even fatal consequences. See the entire definition of Nitrogen
A gaseous element that forms the major part (78 percent) of the atmosphere. Nitrogen is an important building block for all forms of life. It is transferred in a continuous cycle between the atmosphere and the biosphere.
An colorless, odorless, tasteless gas which makes up 79% of the air. Nitrogen is a gas at room temperature and becomes a liquid at about 77 K, -196°C or -321°F.
a gas that has no color, smell, or taste and makes up about 70% of Earth's atmosphere.
An element abundant in the atmosphere and in life forms. A certain amount of nitrogen is needed in waterbodies as food for plants, but an excess can cause uncontrolled algae blooms.
An inert gas often used to "sweep" a refrigeration system to help insure that all refrigerant and contaminants.
Nitrogen is present in wastewater in many forms: total Kjeldahl nitrogen, ammonia nitrogen, organic nitrogen.
Gas that promotes algae bloom and neutralizes chlorine. Present in rainwater, superchlorination will decrease nitrogen.
a constituent part of air - oxygen free nitrogen (OFN) an inert and safe gas is used to pressure test refrigeration pipework and is passed through the pipework when it is being installed. But only reputable companies do this.
A chemical element essential for the growth of plants and animals. Our atmosphere is comprised of 79% of nitrogen.
A colorless gas used in cryogenic surgery, rocket fuel production, ammonia protection, and liquid cooling processes.
One of the major nutrients required for the growth of aquatic plants, usually present in water as organic nitrogen or as inorganic ammonia and nitrate. High concentrations of nitrogen can cause overabundant aquatic plant and algal growth.
A base element listed on the periodic table of elements.
Major plant nutrient especially important for plants where foliage is the main interest.
an element which distinguishes proteins from other substances and allows them to form various structural units in our bodies, including enzymes and muscle cells.
A colourless, tasteless, gas that makes up about 78 percent of the earth's atmosphere.
a colorless, tasteless, odorless gas that constitutes 78% of the atmosphere by volume and occurs as a constituent of all living tissues in combined form
an element that, in its different forms, stimulates the growth of aquatic plants and algae in waterbodies.
Diatomic gas. Used as a primary and secondary gas in plasma spraying . Inert to most materials, with some exceptions like titanium.
inert gas that makes up 79% of air. Nitrogen is inert in that it does not enter into any chemical reaction in the body, but it can cause problems under pressure (see nitrogen narcosis, decompression sickness).
A primary chemical element which is a part of all plant and animal tissues. It can promote algal blooms that cause eutrophication if it runs off or leaches out of the surface soil.
A gaseous element (molecular formula N2) that constitutes 78 percent of our atmosphere. Causes algae to bloom and disables chlorine. It is brought into the water each time it rains. Maintaining proper chlorine levels will prevent nitrogen from becoming a problem. Superchlorination will remove nitrogen and its related compounds.
A nutrient essential to plant growth. It is very abundant in the environment in several forms. Heavily used as an agricultural fertilizer.
When combined with chlorine, nitrogen creates chloramines, which do not belong in our pool. Nitrogen can be found in many swimmer wastes (perspiration, suntan oil, hair tonics, etc.) or be introduced by other means.
an element that can combine with chlorine & produce chloramines.
An element common as a gas in the atmosphere. Excessive concentrations of nitrogen compounds in water, together with phosphorus compounds and organic substances, can lead to increased biological activity in water, through eutrophication.
A chemical element (symbol ) and a major plant nutrient. Nitrogen promotes lush foliage. Too little nitrogen results in yellow leaves; too much nitrogen discourages flower and fruit production. Dried blood and cottonseed meal are high in nitrogen. Nitrogen is the major component of our atmosphere; however, it cannot be used directly by plants. Legumes have a symbiotic relationship with certain bacteria which convert atmospheric nitrogen into a form usable by plants.
atomic symbol, N, nitrogen is the 7th element in the periodic table (atomic number 7), with an atomic weight of 14.01. Nitrogen is a group VB element and is relatively inert. Nitrogen is widely used during IC processing as an inert purge gas due to it's low cost, but must be used carefully because it will react under certain circumstances. For example, at 950oC nitrogen will thermally react with silicon to form silicon nitride in an oxygen starved environment. A small amount of oxygen is commonly added during furnace ramp-up and ramp-down in nitrogen when 950oC temperatures will be exceeded to suppress silicon nitride formation.
Colorless, odorless, gaseous element forming about 47 % of the earth¹s atmosphere. In the combined form the element is a constituent of all proteins
Nitrogen is a gas that forms approximately 79% by volume or 77% by weight of the atmosphere. It can combine with many metals to form nitrides and is thus applied to the case-hardening of steel, the usual source for this purpose being ammonia.
An element that is essential for the growth of plants.
A colorless, odorless gas used in a variety of fabrication processes – etching, deposition and anneal.
Refers to Nitrogen gas. A colorless, odorless, relatively non-reactive gas which is compressed to high pressures. The difference between Nitrogen gas and CO2 is that Nitrogen is measured by pressure while CO2 is measured by weight.
Nitrogen is a gaseous element that occurs in air (78% of air volume). It is an essential component of proteins and nucleic acids in living organisms.
An element essential to the growth and development of plants; occurs in manure and chemical fertilizer and, in excess, can cause waters to become polluted by promoting excessive growth of algae and other aquatic plants.
One of the elements essential for the growth of organisms. Nitrogen is most abundant on the earth in the form of N2, comprising 80% of the atmosphere, but is usually taken up by plants in the forms NO3, NO2 and NH3.
an inorganic nutrient essential for plant growth and reproduction when in oxidized forms (nitrate, nitrite, ammonia); excess can cause eutrophication; problems are usually associated with agricultural runoff and sewage
a colorless, tasteless, odorless gas comprising about 80 percent of the atmospheric gas; an essential component of protein that is formed in plants during their developmental process.
An alternative to air for inflating tyres. Nitrogen molecules are larger than those of oxygen and so are less susceptible to osmotic loss through the tyre casing. Tyres therefore stay at the correct pressure for longer. Being inert there is also the argument that nitrogen can reduce deterioration of the tyre from inside. Can also assist in maintaining an even temperature. However these benefits are marginal because air already contains 78% nitrogen.
Nitrogen is used in various forms to promote rapid vegetative growth, leaf, flower, fruit and seed development, and chlorophyll development; and to increase the protein content in all plants.
a nutrient that is essential to plants and animals.
A gas that causes algae to bloom and disables chlorine. It is introduced into the water by rain and by swimmers. Maintaining proper chlorine levels will prevent nitrogen from becoming a problem. Superchlorination can destroy nitrogen and nitrogenous compounds.
A gas that makes up approximately 78% of the air we breathe. It is usually the gas responsible for DCS when diving on compressed air. It also caused Narcosis from about 30m
(Symbol N.) A colorless, tasteless, odorless gaseous element, atomic number 7, atomic weight 14.007. It is the most abundant constituent of the atmosphere, amounting to 78.09% by volume of dry air. The molecular formula for nitrogen gas is N2; its molecular weight is 28.016. Nitrogen enters the atmosphere from volcanoes and from the decay of organic matter. It is removed from the atmosphere by certain natural nitrogen-fixing bacteria for use in plant life processes. Free nitrogen is very inactive, but can be broken down by high-energy reactions such as occur in lightning, high temperature combustion, or in the upper atmosphere. Nitrogen-containing compounds are very reactive and play integral roles in the production and destruction of ozone in the atmosphere. Atomic nitrogen, N, occurs in significant quantities only at altitudes above about 100 km.
Essential for healthy vegetative growth and is also used on the formation of chlorophyll and protein.
A chemical element naturally present in wood. Discharges of nitrogen to water can cause nutrient enrichment, leading to luxuriant plant growth and subsequent oxygen deficiency when the plants decompose â€“ a process called eutrophication.
An element common as a gas in the atmosphere. Excessive concentrations of nitrogen compounds in water can lead to increased biological activity, through eutrophication. Nitrogen is added during the waste water treatment process to aid in the breakdown of soluble organics.
A chemical element essential to life and a primary plant nutrient. Animals get nitrogen from protein feeds; plants get it from soil; and some bacteria get it directly from air.
A colorless, gaseous element, tasteless and odorless, constituting about four-fifths of the atmosphere by volume and a constituent of all living tissues.
A colorless, tasteless, odorless gas that is the most abundant constituent of dry air. It comprises 78.09%.
nii-TROH-jen) An element essential to plant growth. It is found in most fertilizers. Referencing the three digits on fertlizer products, nitrogen is the first. For instance, 5-4-3 equates to 5% nitrogen. High nitorgen content in plants can lead to infestation by aphids.
an element necessary for the growth of aquatic plants, may be found in several forms including ammonia, nitrates and nitrites, may be the factor limiting phytoplankton growth.
A nutrient, which when released into surface water, may stimulate the growth of aquatic organisms. Such organisms, upon decomposition, can adversely affect the ecological quality of a surface water body by depleting its supply of dissolved oxygen.