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Liquid nitrogen: MedlinePlus Medical Encyclopedia

Oct 08, 2021  Liquid nitrogen is a chemical that is extremely cold, about -328°F (-200°C). Liquid nitrogen will instantly freeze anything it touches. It is used to kill cells that make up diseased or cancerous tissue. Tissue that has been frozen dries out and falls off. References. Expand Section.

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Nitrogen - Gas Encyclopedia Air Liquide Air Liquide

Nitrogen is used to chill, freeze or control temperature of food products. It allows to control temperature during transportation and distribution with indirect liquid nitrogen injection. Nitrogen preserves and protects foods with Modified Atmosphere Packaging (MAP) to minimize oxidation, micro-organism growth or package collapse.

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Liquid nitrogen Article about liquid nitrogen by The ...

Liquid nitrogen, a safe, highly efficient, clean, easily obtained, and low-temperature refrigerant, has been now widely used in biology, medical treatment, animal husbandry, food, metallurgy, electronics, aerospace and cryogenic industry, and other fields. The SL-30 batch production Attritor will be used in an RD application to grind materials ...

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Liquid Nitrogen - an overview ScienceDirect Topics

R. Agrawal, D.M. Herron, in Encyclopedia of Separation Science, 2000 Liquefaction. Liquid nitrogen and liquid oxygen are produced and stored in a back-up system to supply gases (after vaporization of the stored liquid) in the event of the cryogenic air separation plant shut-down. Liquid may also be supplied in tankers from a central plant location to an end-use site where the consumption of ...

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Liquid nitrogen chemistry Britannica

Other articles where Liquid nitrogen is discussed: food preservation: Industrial freezers: moved through a spray of liquid nitrogen or directly immersed in liquid nitrogen. The liquid nitrogen boils around the food at a temperature of −196 °C (−321 °F) and extracts a large amount of heat.

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Liquid_nitrogen_economy - chemeurope

A liquid nitrogen (N 2 (l)) economy is a hypothetical proposal for a future economy in which the primary form of energy storage and transport is liquid nitrogen.It is proposed as an alternative to liquid hydrogen in some transport modes and as a means of locally storing energy captured from renewable sources. An analysis of this concept provides insight into the physical limits of all energy ...

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Liquid nitrogen (Medicine) - Definition - Online Encyclopedia

Liquid Nitrogen Application Hand hygiene Select spray tip A to D of the appropriate size for the diameter and thickness of the lesion Apply the liquid nitrogen to the lesion for a few seconds, depending on the required diameter and depth of the freeze A margin of 1-2 mm is recommended for benign lesions ...

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Liquid nitrogen engine - WikiMili, The Free Encyclopedia

Liquid nitrogen engine Last updated September 19, 2019. A liquid nitrogen vehicle is powered by liquid nitrogen, which is stored in a tank.Traditional nitrogen engine designs work by heating the liquid nitrogen in a heat exchanger, extracting heat from the ambient air and using the resulting pressurized gas to operate a piston or rotary motor.Vehicles propelled by liquid nitrogen have been ...

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Nitrogen Encyclopedia

Jun 11, 2018  NITROGEN (REVISED) Note: This article, originally published in 1998, was updated in 2006 for the eBook edition. Overview. Nitrogen is the first member in Group 15 (VA) of the periodic table.The periodic table is a chart that shows how chemical elements are related to one another. Nitrogen is in a family group named after itself.

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Equipment considerations: liquid fertilizer Integrated ...

Encyclopedia Article. A review of application equipment considerations can help ensure that your nitrogen fertilizer is properly applied. This article focuses on liquid fertilizers and is the last in a series of three articles (other two in April 9, 2001, Integrated Crop Management issue) about nitrogen fertilizer application and equipment ...

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Nitrogen - Wikipedia

Nitrogen compounds have a very long history, ammonium chloride having been known to Herodotus.They were well known by the Middle Ages. Alchemists knew nitric acid as aqua fortis (strong water), as well as other nitrogen compounds such as ammonium salts and nitrate salts. The mixture of nitric and hydrochloric acids was known as aqua regia (royal water), celebrated for its ability to

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Liquid nitrogen - definition of liquid nitrogen by The ...

Noun 1. liquid nitrogen - nitrogen in a liquid state atomic number 7, N, nitrogen - a common nonmetallic element that is normally a colorless odorless... Liquid nitrogen - definition of liquid nitrogen by The Free Dictionary. ... Encyclopedia; Wikipedia Encyclopedia; Tools. A; A; A; A; Language:

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Gas Encyclopedia Air Liquide Air Liquide

Gas Encyclopedia Air Liquide Find complete information on more than 60 molecules used in research, industry and health. No results found. Filter by : ... Nitrogen trifluoride NF 3. n-Pentane C 5 H 1 2. Hydrogen chloride HCl. Nitric oxide NO. Propene C 3 H 6. Propyne C 3 H 4. Sulfur dioxide SO 2. Sulfur hexafluoride SF 6. Toluene C 7 H 8 ...

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Nitrogen - Simple English Wikipedia, the free encyclopedia

The nitrogen turns into a liquid at a different temperature than the oxygen. It can also be made by heating certain chemical compounds, such as sodium azide. Uses. Play media. Liquid nitrogen used to freeze a balloon. Nitrogen as an element is used to prevent things from reacting with the oxygen in

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Liquid nitrogen definition of liquid nitrogen by Medical ...

liquid nitrogen: (N) [ ni´tro-jen ] a chemical element, atomic number 7, atomic weight 14.007. (See Appendix 6.) It is a gas constituting about four-fifths of common air; chemically it is almost inert. It is not poisonous but is fatal if breathed alone because of oxygen deprivation. It is soluble in the blood and body fluids, and can cause ...

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Liquid nitrogen - Simple English Wikipedia, the free ...

Liquid nitrogen is nitrogen at a very low temperature.It is usually produced by a process known as fractional distillation of air. At atmospheric pressure (normal pressure) nitrogen boils at −196 °C (77 K; −321 °F).Nitrogen was first made into a liquid at Jagiellonian University on 15 April 1883. Zygmunt Wróblewski and Karol Olszewski were the first scientists to liquefy nitrogen ...

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Liquid nitrogen legal definition of liquid nitrogen

He read up about liquid nitrogen in the Encyclopedia Britannica, and worked out a way to harvest energy from the stuff. Solid future for liquid air: with two companies working on liquid air engines, the technology is gearing up to become a viable option in the low-emission vehicle stakes.

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Liquid nitrogen Project Gutenberg Self-Publishing ...

Liquid nitrogen: Liquid nitrogen ... World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and the most ...

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Liquid_nitrogen - chemeurope

Liquid nitrogen (liquid density at the triple point is 0.807 g/mL) is the liquid produced industrially in large quantities by fractional distillation of liquid air and is often referred to by the abbreviation, LN 2.It is pure nitrogen, in a liquid state.. Liquid nitrogen boils at −196 °C (−321 °F), and is a cryogenic fluid which is potentially capable of causing rapid frostbite on ...

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DK Science: Nitrogen - Fact Monster

When nitrogen gas is cooled to -196C (-320F), it turns to a liquid. Liquid nitrogen is so cold that it can freeze a substance in seconds. In hospitals, it is used to preserve blood and body parts for transplant. The material to be preserved is placed in a special, sealed container that is filled with liquid nitrogen.

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nitrogen - David Darling

Nitrogen is the most abundant gas in Earth's atmosphere (78 percent by volume) and is obtained from it by fractional distillation of liquid air. The most common isotope is 14 N (99.76%). Nitrogen is also the sixth most common element in the universe.

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nitrogen - Encyclopedia Britannica Britannica

Nitrogen, nonmetallic element of Group 15 [Va] of the periodic table. It is a colorless, odorless, tasteless gas that is the most plentiful element in Earth’s atmosphere and is a constituent of all living matter. Its atomic number is 7 and it is denoted by the symbol ‘N’ in the periodic table.

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Liquid nitrogen engine - WikiMili, The Free Encyclopedia

Liquid nitrogen engine Last updated September 19, 2019. A liquid nitrogen vehicle is powered by liquid nitrogen, which is stored in a tank.Traditional nitrogen engine designs work by heating the liquid nitrogen in a heat exchanger, extracting heat from the ambient air and using the resulting pressurized gas to operate a piston or rotary motor.Vehicles propelled by liquid nitrogen have been ...

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Nitrogen Canola Encyclopedia

Nitrogen source options for in-crop top up applications are urea (dry), urea ammonium nitrate or UAN (liquid) or ammonium sulphate, if sulphur shortages are also expected. UAN dribbled on the surface is less prone to losses than dry urea broadcast on the surface.

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Cryogenics Encyclopedia

May 21, 2018  For example, it can be used to reduce the temperature of liquid nitrogen to its freezing point or to lower the temperature of liquid helium to approximately 1 K. A third process makes use of the Joule-Thomson effect, which was discovered by English physicist James Prescott Joule (1818 – 1889) and William Thomson , Lord Kelvin, in 1852.

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nitrogen - Kids Britannica Kids Homework Help

The chemical element nitrogen is a gas that makes up much of the air in Earth’s atmosphere. It is also one of the principal chemical elements that are a part of all living things. Scientists use symbols to stand for the chemical elements. The symbol for nitrogen is N.

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Nitrogen - Thermophysical Properties

Liquid nitrogen is very cold and and contact may cause frostbite. Under prolonged exposure to fire or heat, nitrogen containers may rupture violently and rocket. The phase diagram of nitrogen is shown below the table. Chemical, physical and thermal properties of Nitrogen: Values at 25 o C (77 o F, 298 K) and atmospheric pressure. Molecular Weight.

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What is liquid nitrogen used for in hospitals? - Quora

Jul 22, 2021  Answer (1 of 3): Liquid nitrogen is a chemical that is extremely cold, about -328°F (-200°C). Liquid nitrogen will instantly freeze anything it touches. It is used to kill cells that make up diseased or cancerous tissue. Tissue that has been frozen dries

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Price of Liquid Nitrogen - The Physics Factbook

Jul 29, 2005  The end result, liquid nitrogen, is still the same nitrogen that makes up about 78 percent of the atmosphere, only that it is much, much colder. With a boiling point of 77 K, -320 °F or -196 °C, liquid nitrogen can do many interesting things.

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Liquid Nitrogen Temperature - ThoughtCo

Aug 15, 2019  Liquid nitrogen is very cold! At normal atmospheric pressure, nitrogen is a liquid between 63 K and 77.2 K (-346°F and -320.44°F). Over this temperature range, liquid nitrogen looks much like boiling water. Below 63 K, it freezes into solid nitrogen. Because liquid nitrogen in a usual setting is boiling, its usual temperature is 77 K.

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Nitrogen - Hardenburger - - Major Reference Works - Wiley ...

May 13, 2005  Liquid nitrogen is used in many applications as an inert, expendable refrigerant. All commercial nitrogen uses atmospheric air as the feedstock. The principal manufacturing processes include cryogenic distillation, pressure swing adsorption, membrane

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cryogenics physics - Encyclopedia Britannica

cryogenics, production and application of low-temperature phenomena. The cryogenic temperature range has been defined as from −150 °C (−238 °F) to absolute zero (−273 °C or −460 °F), the temperature at which molecular motion comes as close as theoretically possible to

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