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Great force distributed over a small area
create high pressure. High pressure usually means pressures of thousands (kilobars) or millions (megabars) of times atmospheric pressure (about 1 bar
High_pressure
Type of electric gas-discharge lamp
wavelength near 589 nm. Two varieties of such lamps exist: low pressure and high pressure. Low-pressure sodium lamps are highly efficient electrical light sources
Sodium-vapor_lamp
Region with higher atmospheric pressure
high-pressure air system, high, or anticyclone, is an area near the surface of a planet where the atmospheric pressure is greater than the pressure in
High-pressure_area
Device for preparing food
A pressure cooker is a sealed vessel used for cooking food with the use of high pressure steam and water or a water-based liquid, in a process called pressure
Pressure_cooker
Engine that uses steam to perform mechanical work
patented his Woolf high-pressure compound engine in 1805. In the compound engine, high-pressure steam from the boiler expands in a high-pressure (HP) cylinder
Steam_engine
Use of high-pressure water jet for cleaning hard surfaces
Pressure washing or power washing is the use of high-pressure water spray to remove loose paint, mold, grime, dust, mud, and dirt from surfaces and objects
Pressure_washing
Long-term high blood pressure in the arteries
as high blood pressure, is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. High blood pressure usually
Hypertension
Technique in analytical chemistry
High-performance liquid chromatography (HPLC), formerly referred to as high-pressure liquid chromatography, is a chromatography technique in analytical
High-performance liquid chromatography
High-performance_liquid_chromatography
Force distributed over an area
distributed. Gauge pressure (also spelled gage pressure) is the pressure relative to the ambient pressure. Various units are used to express pressure. Some of these
Pressure
Airbreathing jet engine designed to provide thrust by driving a fan
expanding hot, high pressure gas to ambient pressure. Since the power depends on the pressure and temperature of the gas (and the ambient pressure) a related
Turbofan
Laminated composite material primarily used as a finish for furniture and wall panels
manufactured as either high- or low-pressure laminate, with the two processes not much different from each other except for the pressure applied in the pressing
Decorative_laminate
Medical condition
A high pressure injection injury is an injury caused by high-pressure injection of oil, grease, diesel fuel, gasoline, solvents, water, liquified plastic
High pressure injection injury
High_pressure_injection_injury
Equipment required to play Paintball
tag an opposing player. An expanding gas (usually carbon dioxide or high-pressure air) forces a paintball through the barrel at a muzzle velocity of approximately
Paintball_equipment
Metal processing method
High-pressure torsion (HPT) is a severe plastic deformation technique used to refine the microstructure or control crystal structure of materials by applying
High-pressure_torsion
Light source using an electric arc through mercury vapor
starting electrode; instead, the lamp is started using high voltage pulses as with high-pressure sodium vapor lamps. Self-ballasted (SB) lamps are mercury-vapor
Mercury-vapor_lamp
Static pressure exerted by the weight of the Earth's atmosphere
Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard
Atmospheric_pressure
Pressure exerted by molecules of water vapor in gaseous form
of water and the pressure. This is relevant to both pressure cooking and cooking at high altitudes. An understanding of vapor pressure is also relevant
Vapour_pressure_of_water
Metal casting process
casting process that is characterized by forcing molten metal under high pressure into a mold cavity. The mold cavity is created using two hardened tool
Die_casting
British inventor and mining engineer (1771–1833)
his most significant contributions were the development of the first high-pressure steam engine and the first working railway steam locomotive. The world's
Richard_Trevithick
Device that imparts energy to the fluids by mechanical action
viscous fluids like petroleum-derived products, and it can also support high pressures of up to 290 psi. Peristaltic pumps have rollers which pinch a section
Pump
Equipment which allows the user to breathe at hypoxic altitudes
unit is a member of several types. High-altitude breathing apparatus is used for unpressurised (ambient pressure) aeronautical and mountaineering activities
High-altitude breathing apparatus
High-altitude_breathing_apparatus
Industrial safety system
A high-integrity pressure protection system (HIPPS) is a type of safety instrumented system (SIS) designed to prevent over-pressurization of a plant,
High-integrity pressure protection system
High-integrity_pressure_protection_system
1961 studio album by The Red Garland Quintet with John Coltrane
High Pressure is an album by the jazz pianist Red Garland, recorded in 1957 but not released until 1961 on Prestige Records. "Soft Winds" (Benny Goodman
High_Pressure_(album)
High-pressure electrolysis (HPE) is the electrolysis of water by decomposition of water (H2O) into oxygen (O2) and hydrogen gas (H2) due to the passing
High-pressure_electrolysis
Degenerate matter made from strange quarks
neutron stars, if the pressure at their core is high enough to provide a sufficient gravitational force (i.e. above the critical pressure). At the sort of
Strange_matter
Vessel for pressurised gases or liquids
A pressure vessel is a container designed to hold gases or liquids at a pressure substantially different from the ambient pressure. Construction methods
Pressure_vessel
1932 film
High Pressure is a 1932 American pre-Code comedy film directed by Mervyn LeRoy and starring William Powell and Evelyn Brent. It is based on the play Hot
High_Pressure_(film)
Relative peak or lull in the sea level pressure distribution
(26 inHg) and the highest recorded 108.57 kilopascals (32.06 inHg). High- and low-pressure systems evolve due to interactions of temperature differentials
Pressure_system
Field focused on chemical processes carried out under high pressure
High-pressure chemistry is concerned with those chemical processes that are carried out under high pressure – pressures in the thousands of bars (one
High-pressure_chemistry
Control valve that maintains the pressure of a fluid or gas
A pressure regulator is a valve that controls the pressure of a fluid to a desired value, using negative feedback from the controlled pressure. Regulators
Pressure_regulator
High-pressure mercury arc lamp
ultra-high-performance lamp, often known by the Philips trademark UHP, is a high-pressure mercury arc lamp. These were originally known as ultra-high-pressure
Ultra-high-performance_lamp
German World War II large-caliber artillery
1944 to February 1945. The V-3 was also known as the Hochdruckpumpe ("High Pressure Pump", HDP for short), which was a code name intended to hide the real
V-3_cannon
Form of switch that operates an electrical contact
A pressure switch is a form of switch that operates an electrical contact when a certain set fluid pressure has been reached on its input. The switch
Pressure_switch
Latitudes 30–35 degrees north and south of the Equator
precipitation. They are also known as subtropical ridges or highs. It is a high-pressure area at the divergence of trade winds and the westerlies. A likely
Horse_latitudes
Pressure exerted by circulating blood upon the walls of arteries
Blood pressure (BP) is the pressure of circulating blood against the walls of blood vessels. Most of this pressure results from the heart pumping blood
Blood_pressure
Area with air pressures lower than adjacent areas
than that of surrounding locations. It is the opposite of a high-pressure area. Low-pressure areas are commonly associated with inclement weather (such
Low-pressure_area
Type of pressure-sensing cells
High pressure receptors or high pressure baroreceptors are the baroreceptors found within the aortic arch and carotid sinus. They are only sensitive to
High_pressure_receptors
Device which produces ultraviolet light used for indoor tanning
basic groups: low pressure and high pressure. Within the industry, it is common to call high-pressure units "bulbs" and low-pressure units "lamps", although
Tanning_lamp
Type of precision pump
liquids. Many metering pumps are rated to be able to pump into a high discharge pressure. They are typically made to meter at flow rates which are practically
Metering_pump
Pumping fluids or gas through pipes
September 9, 2010 – 2010 San Bruno pipeline explosion: A 30-inch-diameter high-pressure natural gas pipeline owned by the Pacific Gas and Electric Company exploded
Pipeline
Natural atmospheric phenomenon
signifies a high-pressure air mass with stable air trapping particles, like dust, which scatters the sun's blue light. This high pressure is moving towards
Red_sky_at_morning
Toilet that uses water to convey human waste down a pipe
into the bowl. This flush may flow from a dedicated tank (cistern), a high-pressure water pipe controlled by a flush valve, or by manually pouring water
Flush_toilet
Pressure measurement is the measurement of an applied force per unit area by a fluid (liquid or gas) on a surface. Pressure is typically expressed in
Pressure_measurement
Steam locomotive with a boiler that operates at pressures well above normal
A high-pressure steam locomotive is a steam locomotive with a boiler that operates at pressures well above what would be considered normal for other locomotives
High-pressure steam locomotive
High-pressure_steam_locomotive
Heat engine that performs mechanical work using steam as its working fluid
Papin, invented the Steam Digester (pressure cooker) which was used to extract fats from bones in a high pressure environment and then also create Bone
History_of_the_steam_engine
Pump
fuel tank (for lower pressure manifold injection systems) or high-pressure mechanical pumps mounted on the engine (for high-pressure direct injection systems)
Fuel_pump
Different forms of the element iron
austenite), and delta iron (δ-Fe, similar to alpha iron). At very high pressure, a fourth form exists, epsilon iron (ε-Fe, hexaferrum). Some controversial
Allotropes_of_iron
Machine used to compress breathing air for use by underwater divers
with high-pressure air pure enough to be used as a hyperbaric breathing gas. A low pressure diving air compressor usually has a delivery pressure of up
Diving_air_compressor
Design of cannon and anti-tank launcher
The high–low system (or high–low pressure system, high–low propulsion system, high–low projection system) is a design of cannon and anti-tank warfare launcher
High–low_system
Device for exchanging pressure between two fluids
A pressure exchanger transfers pressure energy from a high pressure fluid stream to a low pressure fluid stream. Many industrial processes operate at elevated
Pressure_exchanger
mentioned above. Since the 1940s high pressure has been used as a method of cell disruption, most notably by the French Pressure Cell Press, or French Press
Cell_disruption
Water tower on the roof of a tall building
column would need pressure reducing valves to operate normally, and municipal water pressure would need to be very high to supply pressure to the top of the
Rooftop_water_tower
Chemical compound of tungsten and nitrogen
Si, J.-G.; Schnick, W.; Bykov, M.; Trybel, F.; Laniel, D. (2024). "High-Pressure Synthesis of Ultra-Incompressible, Hard and Superconducting Tungsten
Tungsten_nitride
Ionic compound with electrons as the anion
113 gigapascals (1.12×10^6 atm) of pressure. It has been proven that the localized electron density in high-pressure electrides does not correspond to
Electride
Closed vessel in which fluid is heated
and so they run at low pressure and try to avoid boiling. The brittleness of cast iron makes it impractical for high-pressure steam boilers. The source
Boiler
Reciprocating internal combustion engine
2007-2013 E90/E91/E92/E93 330i 2011-2013 F10 530i The N53 uses the same High-Pressure Fuel Pump (HPFP) as the BMW N54 turbocharged straight-six engine, which
BMW_N53
Pressure exerted by a vapor in thermodynamic equilibrium
vapor phase. A substance with a high vapor pressure at normal temperatures is often referred to as volatile. The pressure exhibited by vapor present above
Vapor_pressure
Physics term for multiple concepts
dark matter and mirror matter. Ordinary matter that when placed under high pressure, may result in dramatic changes in its physical or chemical properties
Exotic_matter
Topics referred to by the same term
points High (atmospheric), a high-pressure area High (computability), a quality of a Turing degree, in computability theory High (technical analysis), or
High
Disorder from breathing helium based gas at high ambient pressure
High-pressure nervous syndrome (HPNS – also known as high-pressure neurological syndrome) is a neurological and physiological diving disorder which can
High-pressure nervous syndrome
High-pressure_nervous_syndrome
Water purification process
separate water molecules from other substances. RO applies pressure to overcome osmotic pressure that favors even distributions. RO can remove dissolved
Reverse_osmosis
High pressure mass of cold dry air over northeastern Eurasia
the high-pressure area is often lower than −40 °C (−40 °F). The atmospheric pressure is often above 1,040 millibars (31 inHg). The Siberian High is the
Siberian_High
of oxygen storage for subsequent use span many approaches, including high pressures in oxygen tanks, cryogenics, oxygen-rich compounds and reaction mixtures
Oxygen_storage
Thermodynamic point where three matter phases exist
For those high-pressure forms of ice which can exist in equilibrium with liquid, the diagram shows that melting points increase with pressure. At temperatures
Triple_point
Extreme heat caused by a stationary high-pressure system
hot air as if bounded by a lid or cap. Heat domes happen when strong high pressure atmospheric conditions remain stationary for an unusual amount of time
Heat_dome
Proposed configurations of carbon atoms
ambient conditions; the second are high-pressure carbon allotropes which become quasi-stable only at high pressure. According to the SACADA database,
Superdense_carbon_allotropes
Air gun used in the shooting sport of paintball
replaced with High Pressure Air systems (see below) High-pressure air, compressed air or nitrogen, is stored in the tank at a very high pressure, typically
Paintball_marker
Reciprocating internal combustion engine
and a Bosch VP44 high pressure pump. Later ISB designs have common rail fuel injection, Bosch injectors, and a Bosch CP3 high pressure pump. Midway through
Cummins_B_Series_engine
Wheel made from an alloy of aluminium or magnesium
process that involves such processes, as heating, rolling, applying high pressure, hammering and/or combination of these. As a result, the crystal structure
Alloy_wheel
Reciprocating internal combustion engine
and continued until early 2004. It featured a 32-valve design with high-pressure common-rail direct injection and aluminum cylinder heads. The following
Duramax_V8_engine
Method of preserving and sterilizing food under high pressure
Pascalization, bridgmanization, high pressure processing (HPP) or high hydrostatic pressure (HHP) processing is a method of preserving and sterilizing
Pascalization
Fauna found in deep-sea areas
from the outside, so they are not crushed by the extreme pressure. Their high internal pressure, however, results in the reduced fluidity of their membranes
Deep-sea_fish
Technical standard
The ASME Boiler and Pressure Vessel Code (BPVC) is a set of standards published by the American Society of Mechanical Engineers (ASME) that provides rules
ASME Boiler and Pressure Vessel Code
ASME_Boiler_and_Pressure_Vessel_Code
Reciprocating internal combustion engine
In the United States, some N54 engines experienced failures of the High Pressure Fuel Pump (HPFP), resulting a class action lawsuit, a voluntary recall
BMW_N54
Difference between systolic and diastolic blood pressure
the systolic blood pressure, and decreases the diastolic blood pressure, leading to a widened pulse pressure. A high pulse pressure combined with bradycardia
Pulse_pressure
Metal heat treatment process
carburizing (low pressure carburizing or LPC) can be applied across a large spectrum of parts when used in conjunction with either oil or high pressure gas quenching
Carburizing
A high pressure jet is a stream of pressurized fluid that is released from an environment at a significantly higher pressure than ambient pressure from
High_pressure_jet
Object filled with pressurized gas to maintain its size and shape
inflatable boats. A distinction is made between high-pressure and low-pressure inflatables. In a high-pressure inflatable, structural limbs like pillars and
Inflatable
Safety systems of boiling water reactors
derangement, high neutron power levels (~ 200%) can occur for less than a second, after which actuation of SRVs will cause the pressure to rapidly drop
Boiling water reactor safety systems
Boiling_water_reactor_safety_systems
High-pressure natural gas ship
designed for transportation of natural gas under high pressure. CNG carrier technology relies on high pressure, typically over 250 bar (2900 psi), to increase
CNG_carrier
Italian industrial machinery company
Founded in 1977 by Fulvio Montipò, the company manufactures high-pressure and ultra-high-pressure plunger pumps, water-jetting systems and a broad range of
Interpump_Group
Removal of tire buildup from airport runways
rubber removal, also known as runway rubber removal, is the use of high pressure water, abrasives, chemicals and other mechanical means to remove the
Airfield_rubber_removal
Ultraviolet C light-emitting device
four common types available: Low-pressure mercury lamps High-pressure mercury lamps Excimer lamps LEDs Low-pressure mercury lamps are very similar to
Germicidal_lamp
Technique of measuring electromagnetic spectra
function of temperature. High pressure THz-TDS extends terahertz spectroscopy to compressed matter, enabling investigation of pressure-induced changes in lattice
Terahertz time-domain spectroscopy
Terahertz_time-domain_spectroscopy
Grenade suitable for use with a grenade launcher
(medium velocity), also known as 40×51 mm extended range low pressure (ERLP), is a NATO-standard high–low grenade launcher cartridge meant for hand-held grenade
List_of_40_mm_grenades
States of matter for water as a solid
Variations in pressure and temperature give rise to different phases of ice, which have varying properties and molecular geometries. Currently, twenty-two
Phases_of_ice
Film by Anthony Maras
Pressure is a 2026 war drama film directed and edited by Anthony Maras and written by Maras and David Haig, based on Haig's 2014 stage play. The film stars
Pressure_(2026_film)
1000-km-order method of measuring weather systems
of mid-latitude depressions (e.g. extratropical cyclones). Most high- and low-pressure areas seen on weather maps (such as surface weather analyses) are
Synoptic_scale_meteorology
Reciprocating internal combustion engine
they received AB code injectors. It ran a high pressure oil pump (HPOP) to create the necessary oil pressure to fire the fuel injectors. This generation
Ford_Power_Stroke_engine
Historical power station
low pressure boiler buildings and the machinery room, which were later expanded several times. Finally, in 1941 construction on the high pressure boiler
Tejo_Power_Station
Artificial light sources powered by ionized gas electric discharge
pollution "The Low Pressure Sodium Lamp". "The Low Pressure Sodium Lamp". "Lighting Comparison: LED vs High Pressure Sodium/Low Pressure Sodium". www.stouchlighting
Gas-discharge_lamp
Property of some chemical elements to exist in two or more different forms
machining, and storage). A seventh plutonium allotrope exists at very high pressures. The transuranium metals Np, Am, and Cm are also allotropic. Promethium
Allotropy
Elongated region of high atmospheric pressure
ridge or barometric ridge is an elongated area of relatively high atmospheric pressure compared to the surrounding environment, without being a closed
Ridge_(meteorology)
Primary airlock for the International Space Station
and two nitrogen high-pressure gas tanks are attached externally to the equipment lock segment. These tanks (known as the High Pressure Gas Assembly.) provide
Quest_Joint_Airlock
Internal Combustion engine
combustion high-pressure (HP) cylinders, then having given up heat and losing pressure, it exhausts directly into a larger-volume low-pressure (LP) cylinder
Compound internal combustion engine
Compound_internal_combustion_engine
Disorder caused by dissolved gases forming bubbles in tissues
ambient pressure that results in the formation of bubbles of inert gases within tissues of the body. It may happen when leaving a high-pressure environment
Decompression_sickness
Organisms living under high hydrostatic pressure
(from Greek "piezo-" for pressure and "-phile" for loving) is an organism with optimal growth under high hydrostatic pressure, i.e., an organism that has
Piezophile
American inventor
Americans to build steam engines and was an advocate of high-pressure steam (as opposed to low-pressure steam). A pioneer in the fields of automation, materials
Oliver_Evans
Cyclic nitrogen compound with formula HN5
60 GPa. Following the pressure release, it was found metastable down to 18 GPa. In 2018, another team reported the high pressure synthesis of LiN5 above
Pentazole
Turbofan engine with a gearbox used to drive its fan
"low-pressure" or LP shaft) connects the fan, the low-pressure compressor and the low-pressure turbine (a second concentric shaft connects the high-pressure
Geared_turbofan
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