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GAS BUBBLE [21 records]

Record 1 2026-03-25

English

Subject field(s)
  • Eye Surgery
DEF

Surgical removal of all or part of the vitreous humor.

CONT

Vitrectomy is a surgical procedure undertaken by a specialist where the vitreous humor gel that fills the eye cavity is removed to provide better access to the retina. This allows for a variety of repairs, including the removal of scar tissue, laser repair of retinal detachments and treatment of macular holes. Once surgery is complete, saline, a gas bubble or silicone oil may be injected into the vitreous gel to help hold the retina in position.

French

Domaine(s)
  • Chirurgie de l'œil
DEF

Opération de microchirurgie oculaire qui consiste à retirer le corps vitré situé derrière le cristallin.

Spanish

Campo(s) temático(s)
  • Cirugía del ojo
DEF

Procedimiento [quirúrgico] a través del cual se accede a la cavidad vítrea [...] a fin de retirar la totalidad o parte del humor vítreo [...]

Save record 1

Record 2 2021-07-14

English

Subject field(s)
  • Scientific Instruments
  • Radiation Protection
CONT

The personal neutron dosimeter is a small cylinder of clear plastic supersaturated with Freon gas … When a neutron passes through the plastic, gas bubbles are precipitated and the extent of bubble precipitation is proportional to the neutron dose.

French

Domaine(s)
  • Instruments scientifiques
  • Radioprotection

Spanish

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Record 3 2017-01-31

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
CONT

A long-time computation is performed to capture the important physics of the underwater explosion : initial underwater shock propagation and its interaction with material interfaces, expansion and contraction of the explosive gas bubble, and water jetting near a structure on the collapse of the gas bubble.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
CONT

Les simulations des essais sur cible rigide se concentraient principalement sur la modélisation de l'effondrement des bulles de gaz et sur la formation des jets d'eau.

Spanish

Campo(s) temático(s)
  • Mecánica de fluidos e hidráulica (Física)
Save record 3

Record 4 2016-03-07

English

Subject field(s)
  • Mineral Processing (Metallurgy)
  • Processing of Mineral Products
DEF

In the flotation process, clinging of a particle to air-water interphase or to a bubble. Fundamentally, adhesion is the force between two unlike substances ... due to molecular attraction at an interface.

CONT

A particle which had its surface fully covered by collector would find it difficult... to cling to an air-water interface completely packed with frother molecules. The incompleteness of adsorption of the contacting phases is an important factor in attachment. Mineralizing contact may result from collision between bubble and particle, from precipitation of gas from water or through a mixed process in which precipitation initiates contact. Tests... showed that attachment on collision with a coursing bubble increases with the density of the particle concerned, which by its greater mass is better able to break through the slipstream or energy barrier surrounding the bubble. Other research supports this by showing how a minute bubble, such as might result from precipitation, initiates bubble attachment or the build-up of a buoyant system.... The available gas also influences the kinetics of attachment.

French

Domaine(s)
  • Minéralurgie (Métallurgie)
  • Préparation des produits miniers
DEF

En flottation, fixation d'un grain à la surface d'une bulle d'air.

CONT

Mécanismes de la fixation d'un solide à une bulle d'air. Deux mécanismes principaux sont vraisemblablement mis en cause lors de l'accrochage d'une particule solide à une bulle de gaz, il s'agit : - de la fixation par collision du minéral et de la bulle [...]; - de la germination de gaz dissous sur les surfaces des minéraux.

Spanish

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Record 5 2012-01-27

English

Subject field(s)
  • Geomorphology and Geomorphogeny
DEF

A hallow sphere of calcite formed by the deposition of calcite around a gas bubble.

French

Domaine(s)
  • Géomorphologie et géomorphogénie
DEF

Petite sphère creuse de calcite, formée autour d'une bulle de gaz [...]

Spanish

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Record 6 2011-08-01

English

Subject field(s)
  • Geology
DEF

A small, shallow depression formed by a gas bubble and resembling a raindrop impression.

French

Domaine(s)
  • Géologie
DEF

Dépression peu profonde formée par une bulle de gaz qui s'échappe d'un dépôt sédimentaire pour passer dans l'atmosphère ou dans une masse d'eau sus-jacente.

Spanish

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Record 7 2007-08-17

English

Subject field(s)
  • Oil and Natural Gas Extraction
DEF

A method of lifting oil from the bottom of a well to the surface by the use of compressed gas.

CONT

Many oil wells do not have a formation pressure high enough to push the oil... to the surface. In these cases, some artificial method for lifting the oil to the surface must be installed. [A] method, called gas lift, uses the buoyancy of a bubble of gas in the tubing to push the oil to the surface.

OBS

The gas is pumped into the hole and at the lower end of the tubing it becomes a part of the fluid in the well. As the gas expands, it lifts the oil to the surface.

Key term(s)
  • gas lifting
  • gas lift method

French

Domaine(s)
  • Extraction du pétrole et du gaz naturel
DEF

Procédé d'exploitation des puits de pétrole par injection de gaz provoquant l'allégement par émulsion de la colonne d'huile.

CONT

[...] la plupart des puits ne sont pas jaillissants et on doit avoir recours à un procédé d'extraction artificielle : pompage, ascension par poussée de gaz, etc.

CONT

Extraction de pétrole par injection de gaz.

OBS

allègement : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2004).

Spanish

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Record 8 2006-01-25

English

Subject field(s)
  • Special-Language Phraseology
  • Political Geography and Geopolitics
  • Environmental Management
CONT

GHG [greenhouse gas] reduction or limitation targets are prescribed for 38 developed countries and for the European Community as a whole.... In total, the achievement of these targets was expected to lead to at least a 5 per cent reduction in annual GHG emissions for these 39 Parties taken together on average during the first commitment period from 2008 to 2012. The 15 member States of the European Community(prior to the EU expansion to 25 states in May 2004) agreed to redistribute their reduction targets among themselves, forming the so-called "EU bubble".

French

Domaine(s)
  • Phraséologie des langues de spécialité
  • Géographie politique et géopolitique
  • Gestion environnementale
CONT

Les objectifs de réduction ou de limitation des émissions de gaz à effet de serre, qui figurent à l'annexe B du Protocole, concernent 38 pays industrialisés et la Communauté européenne dans son ensemble. Le but global est de diminuer d'au moins 5 pour cent les émissions totales annuelles de gaz à effet de serre produites par l'ensemble des 39 Parties, en moyenne, pendant la première période d'engagement (2008-2012). Les quinze États membres de la Communauté européenne (avant l'élargissement à 25 survenu en mai 2004) ont accepté de redistribuer leurs engagements de réduction entre eux, formant ce que l'on appelle la «bulle de l'Union européenne».

Spanish

Save record 8

Record 9 2003-10-28

English

Subject field(s)
  • Heat (Physics)
  • Effects of Heat (Energy Transfer)
  • Compressed and Liquefied Gas (Petroleum)
DEF

The temperature and pressure at which part of a liquid begins to convert to gas.

CONT

... if a certain volume of liquid is held at constant pressure but the temperature is increased, a point is reached at which bubbles of gas begin to form in the liquid. That point is the bubble point of the liquid. Similarly, if a certain volume of liquid is held at a constant temperature but the pressure is reduced, the point at which gas begins to form is the bubble point.

French

Domaine(s)
  • Chaleur (Physique)
  • Effets de la chaleur (Transfert de l'énergie)
  • Gaz de pétrole comprimés et liquéfiés
DEF

Température à laquelle un mélange liquide commence à se vaporiser [...]

CONT

Les gaz dissous contenus dans le fluide géothermal se séparent de la phase liquide en-deça d'une certaine pression, appelée «point de bulle». Ce paramètre permet de déterminer la pression minimale à maintenir dans le réseau [...] afin de prévenir l'ébullition du fluide et le risque d'un éclatement de tuyau.

Spanish

Campo(s) temático(s)
  • Calor (Física)
  • Efectos del calor (Traspaso de energía)
  • Gas de petróleo comprimido y licuado
Save record 9

Record 10 2003-06-23

English

Subject field(s)
  • Petrography
  • Vulcanology and Seismology
DEF

A cavity of variable shape in a lava formed by the entrapment of a gas bubble during solidification of the lava.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
DEF

Cavité à l'intérieur d'une roche cohérente.

OBS

Les vacuoles peuvent être dues à la dissolution, à des bulles gazeuses dans les laves [...]

Spanish

Campo(s) temático(s)
  • Petrografía
  • Vulcanología y sismología
DEF

Cavidad en el interior de una roca coherente; se debe generalmente a la presencia de gases oclusos en el momento de solidificación de la roca.

Save record 10

Record 11 2003-03-17

English

Subject field(s)
  • Space Physics
CONT

The Sun emits a steady flow of electrically-charged particles called the solar wind. As the solar wind expands supersonically into space, it creates a magnetized bubble around the Sun--the heliosphere. Eventually, the solar wind runs into the electrically-charged particles and magnetic field in the interstellar gas. The solar wind abruptly slows down from supersonic to subsonic speed, creating a termination shock. Before both spacecraft travel beyond the heliopause into interstellar space, they must pass through that shockwave.

French

Domaine(s)
  • Physique spatiale

Spanish

Save record 11

Record 12 2001-08-22

English

Subject field(s)
  • Refractory Materials (Metallurgy)
CONT

As they fall in a drop tube, the droplets would then cool primarily by radiating heat so that they would solidify from the outside inward. As the metal cools, much of the dissolved gas would come out of solution and move toward the hotter region at the center of a droplet, where it would form a bubble.

French

Domaine(s)
  • Matériaux réfractaires (Métallurgie)
OBS

tube compte-gouttes : construit sur le modèle four à compte-gouttes qui est l'équivalent de «drop tube furnace» (domaine de la combustion du charbon pulvérisé, selon Eurodicotom].

Spanish

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Record 13 2001-05-15

English

Subject field(s)
  • Astronomy
DEF

A bubble of gas at the edge of the nebula surrounding a dying star.

CONT

FLIERs appear to hold together as small, narrow jets over relatively long distances. Their low ionization remains an enigma. (Astronomy, May 1994, p. 40).

Key term(s)
  • fast low-ionisation emission

French

Domaine(s)
  • Astronomie
OBS

Observées (2) dans NGC3242 où l'explosion d'une étoile a donné naissance à une naine blanche entourée d'un nuage d'où s'échappent deux zones rouges faiblement ionisées dont la vitesse est supérieure à celle du gaz entourant l'étoile.

Spanish

Save record 13

Record 14 1998-05-14

English

Subject field(s)
  • Analytical Chemistry
DEF

A device for accurately measuring low flow rates; it consists of a volumetric glass tube with a soap reservoir through which the gas is flowing; the flow rate is determined by the time required for a soap bubble to move between calibration marks.

Key term(s)
  • soap bubbler

French

Domaine(s)
  • Chimie analytique
DEF

La pression de sortie de [la colonne] est habituellement mesurée avec un débitmètre à film de savon, que l'on branche à la sortie des détecteurs non destructifs ou après avoir débranché les détecteurs destructifs.

Spanish

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Record 15 1998-03-25

English

Subject field(s)
  • Ornamental Glassware
  • Types of Glass
DEF

An undissolved tiny bubble of gas or air that rises to the surface while melting the ingredients of glass, especially in an inadequately heated old-style furnace.

CONT

If not removed, seeds show as tiny specks in the finished glass object.

French

Domaine(s)
  • Verrerie d'art
  • Sortes de verre

Spanish

Save record 15

Record 16 1997-03-14

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
  • Demolition (Military)
CONT

The potential energy in the recompressed gases then causes the gas to expand again, and this new impact against the surrounding water causes a second pressure wave similar to the first. These successive pressure waves are called bubble pulses.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
  • Destruction (Militaire)

Spanish

Save record 16

Record 17 1992-07-09

English

Subject field(s)
  • Scientific Instruments
  • Scientific Measurements and Analyses
  • Atomic Physics
CONT

... a BTI technician traveled to the Soviet Union to install in the Soviet Spacecraft a modified neutron spectrometer set consisting of a number of bubble detectors.... its simple construction consists of an elastic polymer with microscopic droplets of a superheated liquid dispersed throughout. When these droplets are hit by neutrons, they form gas bubbles which are fixed in the medium to give a visual record of the neutron dose. The dose is in direct proportion to the number of bubbles and is calculated numerically.

French

Domaine(s)
  • Instruments scientifiques
  • Mesures et analyse (Sciences)
  • Physique atomique
CONT

La technologie canadienne de détection des rayonnements mise au point par BTI [Bubble Technology Industries] a été choisie pour la mission spatiale Cosmos (...) Il s'agit d'un détecteur perfectionné à bulles conçu pour un usage répété et sa construction très simple consiste en un polymère élastique dans lequel sont dispersées des gouttelettes microscopiques d'un liquide surchauffé. Quand ces gouttelettes sont frappées par des neutrons, elles forment des bulles de gaz qui restent fixées dans le milieu et donnent un enregistrement visuel de la dose de neutrons. Cette dose est directement proportionnelle au nombre de bulles et peut être calculée numériquement.

Spanish

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Record 18 1982-03-18

English

Subject field(s)
  • Wastewater Treatment
  • Water Treatment (Water Supply)
  • Chemistry
CONT

The bubble method can... be used whenever it is required to bring a gas into contact with water : e. g. carbon dioxide for recarbonation of previously lime-treated water, ozone for oxidation and disinfection, etc.

French

Domaine(s)
  • Traitement des eaux usées
  • Traitement des eaux
  • Chimie
CONT

Le barbotage est [...] utilisable chaque fois que l'on désire mettre un gaz en contact avec de l'eau: gaz carbonique en recarbonatation d'une eau chaulée au préalable, ozone en oxydation et stérilisation.

Spanish

Save record 18

Record 19 1981-01-26

English

Subject field(s)
  • Water Treatment (Water Supply)
  • Wastewater Treatment
OBS

... in the hypothetical case of the adsorption of a gas bubble into a solid particle(or droplet of oil) a lighter agglomerate is formed,...

French

Domaine(s)
  • Traitement des eaux
  • Traitement des eaux usées
CONT

[...] dans l'hypothèse de l'adsorption d'une bulle de gaz à une particule solide (ou un globule d'huile) il se forme un agglomérat plus léger [...]

Spanish

Save record 19

Record 20 1981-01-26

English

Subject field(s)
  • Black Products (Petroleum)
  • Wastewater Treatment
CONT

... in the hypothetical case of the adsorption of a gas bubble onto a solid particle(or droplet of oil) a lighter agglomerate is formed,...

Key term(s)
  • oil droplet

French

Domaine(s)
  • Produits noirs (Pétrole)
  • Traitement des eaux usées
CONT

[...] dans l'hypothèse de l'adsorption d'une bulle de gaz à une particule solide (ou un globule d'huile) il se forme un agglomérat plus léger [...]

Spanish

Save record 20

Record 21 1981-01-06

English

Subject field(s)
  • Equipment (Chemistry)
DEF

Heavy glass, with front chamber, filled with glass tubes, supported on a conical support. This improved support for the small glass tubes prevents any of the tubes from dropping into the passage to the rear chamber, which would afford a path for a gas bubble to escape into the rear chamber.

French

Domaine(s)
  • Équipement (Chimie)
DEF

En verre épais, un côté est rempli de tubes de verre, sur un support conique. Ce support empêche les tubes de tomber dans le tube courbé reliant les deux parties, ce qui permettrait aux bulles de gaz de sortir directement.

Spanish

Save record 21

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