72 relations: Ammonia, Argon, Atmosphere of Earth, Atmospheric pressure, Beryllium fluoride, Beryllium oxide, Boiling point, Breakdown voltage, Carbon dioxide, Carbon monoxide, Carrier generation and recombination, Chlorine, Chlorofluorocarbon, Circuit breaker, Coolant, Corona discharge, Corrosive substance, Density, Dichlorodifluoromethane, Dielectric, Dielectric strength, Disulfur decafluoride, Electric arc, Electric discharge in gases, Electron ionization, Electron scattering, Electronegativity, Fluorine, Fluorocarbon, Fluoroform, Global warming potential, Halocarbon, Halogen, Heat transfer, Helium, Hexafluoroethane, High voltage, Hydrogen, Hydrogen sulfide, Hydrogen-cooled turbo generator, Insulator (electricity), Ion, Liquefaction, List of refrigerants, Moisture, Moisture analysis, Neon, Nitrogen, Nitrous oxide, Octafluorocyclobutane, ..., Octafluoropropane, Organofluorine chemistry, Oxygen, Ozone depletion potential, Perfluorobutane, Phosgene, Radar, Spark gap, Sulfur dioxide, Sulfur hexafluoride, Sulfur hexafluoride circuit breaker, Switchgear, Tetrafluoromethane, Thyratron, Toxicity, Transformer, Vacuum, Waveguide, X-ray, 1,1,1,2-Tetrafluoroethane, 1,1,1,3,3,3-Hexafluoropropane, 1,2-Dichlorotetrafluoroethane. Expand index (22 more) » « Shrink index
Ammonia is a compound of nitrogen and hydrogen with the formula NH3.
Argon is a chemical element with symbol Ar and atomic number 18.
The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.
Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth (or that of another planet).
Beryllium fluoride is the inorganic compound with the formula BeF2.
Beryllium oxide (BeO), also known as beryllia, is an inorganic compound with the formula BeO.
The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.
The breakdown voltage of an insulator is the minimum voltage that causes a portion of an insulator to become electrically conductive.
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is slightly less dense than air.
In the solid-state physics of semiconductors, carrier generation and recombination are processes by which mobile charge carriers (electrons and electron holes) are created and eliminated.
Chlorine is a chemical element with symbol Cl and atomic number 17.
Chlorofluorocarbons (CFCs) are fully halogenated paraffin hydrocarbons that contain only carbon (С), chlorine (Cl), and fluorine (F), produced as volatile derivative of methane, ethane, and propane.
A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit.
A coolant is a substance, typically liquid or gas, that is used to reduce or regulate the temperature of a system.
A corona discharge is an electrical discharge brought on by the ionization of a fluid such as air surrounding a conductor that is electrically charged.
A corrosive substance is one that will destroy and damage other substances with which it comes into contact.
The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.
Dichlorodifluoromethane (R-12) is a colorless gas usually sold under the brand name Freon-12, and a chlorofluorocarbon halomethane (CFC) used as a refrigerant and aerosol spray propellant.
A dielectric (or dielectric material) is an electrical insulator that can be polarized by an applied electric field.
In physics, the term dielectric strength has the following meanings.
Disulfur decafluoride (S2F10) is a chemical compound discovered in 1934 by Denbigh and Whytlaw-Gray.
An electric arc, or arc discharge, is an electrical breakdown of a gas that produces an ongoing electrical discharge.
Electric discharge in gases occurs when electric current flows through a gaseous medium due to ionization of the gas.
Electron ionization (EI, formerly known as electron impact ionization and electron bombardment ionization) is an ionization method in which energetic electrons interact with solid or gas phase atoms or molecules to produce ions.
Electron scattering occurs when electrons are deviated from their original trajectory.
Electronegativity, symbol ''χ'', is a chemical property that describes the tendency of an atom to attract a shared pair of electrons (or electron density) towards itself.
Fluorine is a chemical element with symbol F and atomic number 9.
Fluorocarbons, sometimes referred to as perfluorocarbons or PFCs, are, strictly speaking, organofluorine compounds with the formula CxFy, i.e. they contain only carbon and fluorine, though the terminology is not strictly followed.
Fluoroform is the chemical compound with the formula CHF3.
Global warming potential (GWP) is a relative measure of how much heat a greenhouse gas traps in the atmosphere.
Halocarbon compounds are chemicals in which one or more carbon atoms are linked by covalent bonds with one or more halogen atoms (fluorine, chlorine, bromine or iodine –) resulting in the formation of organofluorine compounds, organochlorine compounds, organobromine compounds, and organoiodine compounds.
The halogens are a group in the periodic table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy (heat) between physical systems.
Helium (from lit) is a chemical element with symbol He and atomic number 2.
Hexafluoroethane is a fluorocarbon counterpart to the hydrocarbon ethane.
The term high voltage usually means electrical energy at voltages high enough to inflict harm on living organisms.
Hydrogen is a chemical element with symbol H and atomic number 1.
Hydrogen sulfide is the chemical compound with the chemical formula H2S.
A hydrogen-cooled turbo generator is a turbo generator with gaseous hydrogen as a coolant.
An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.
An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).
In materials science, liquefaction is a process that generates a liquid from a solid or a gas or that generates a non-liquid phase which behaves in accordance with fluid dynamics.
Chemical refrigerants are assigned an R number which is determined systematically according to molecular structure.
Moisture is the presence of a liquid, especially water, often in trace amounts.
Moisture analysis covers a variety of methods for measuring moisture content in both high level and trace amounts in solids, liquids, or gases.
Neon is a chemical element with symbol Ne and atomic number 10.
Nitrogen is a chemical element with symbol N and atomic number 7.
Nitrous oxide, commonly known as laughing gas or nitrous, is a chemical compound, an oxide of nitrogen with the formula.
Octafluorocyclobutane, or perfluorocyclobutane, C4F8, is an organofluorine compound which enjoys several niche applications.
Octafluoropropane (C3F8) is a fluorocarbon non-flammable greenhouse gas that can be produced either by electrochemical fluorination or by the Fowler process using cobalt fluoride.
Organofluorine chemistry describes the chemistry of the organofluorines, organic compounds that contain the carbon–fluorine bond.
Oxygen is a chemical element with symbol O and atomic number 8.
The ozone depletion potential (ODP) of a chemical compound is the relative amount of degradation to the ozone layer it can cause, with trichlorofluoromethane (R-11 or CFC-11) being fixed at an ODP of 1.0.
Perfluorobutane (PFB) is a colorless gas.
Phosgene is the chemical compound with the formula COCl2.
Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects.
A spark gap consists of an arrangement of two conducting electrodes separated by a gap usually filled with a gas such as air, designed to allow an electric spark to pass between the conductors.
Sulfur dioxide (also sulphur dioxide in British English) is the chemical compound with the formula.
Sulfur hexafluoride (SF6) is an inorganic, colorless, odorless, non-flammable, extremely potent greenhouse gas, and an excellent electrical insulator.
Sulfur hexafluoride circuit breakers protect electrical power stations and distribution systems by interrupting electric currents, when tripped by a protective relay.
In an electric power system, switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment.
Tetrafluoromethane, also known as carbon tetrafluoride, is the simplest fluorocarbon (CF4).
A thyratron is a type of gas-filled tube used as a high-power electrical switch and controlled rectifier.
Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism.
A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Vacuum is space devoid of matter.
A waveguide is a structure that guides waves, such as electromagnetic waves or sound, with minimal loss of energy by restricting expansion to one dimension or two.
X-rays make up X-radiation, a form of electromagnetic radiation.
1,1,1,2-Tetrafluoroethane (also known as norflurane (INN), R-134a, Freon 134a, Forane 134a, Genetron 134a, Florasol 134a, Suva 134a, or HFC-134a) is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a somewhat lower global warming potential (1,430, compared to R-12's GWP of 10,900).
1,1,1,3,3,3-Hexafluoropropane is an organic chemical, an organofluoride.
1,2-Dichlorotetrafluoroethane, or R-114, also known as cryofluorane (INN), is a chlorofluorocarbon (CFC) with the molecular formula ClF2CCF2Cl.