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The Government of Canada’s terminology and linguistic data bank.
pressure bomb [2 records]
Record 1 - internal organization data 2015-12-01
Record 1, English
Record 1, Subject field(s)
- Equipment (Oil and Natural Gas Extraction)
Record 1, Main entry term, English
- pressure bomb
1, record 1, English, pressure%20bomb
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Once a well has been safely drilled, pressure can be measured by several methods. A pressure bomb, in which pressure is recorded against time, can be lowered into the hole. 2, record 1, English, - pressure%20bomb
Record 1, French
Record 1, Domaine(s)
- Outillage (Extraction du pétrole et du gaz)
Record 1, Main entry term, French
- bombe de pression
1, record 1, French, bombe%20de%20pression
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Appareil enregistreur de pression qu'on descend au fond d'un puits d'hydrocarbures. 1, record 1, French, - bombe%20de%20pression
Record number: 1, Textual support number: 1 OBS
Il est équipé d'un dispositif d'enregistrement continu de pression. 1, record 1, French, - bombe%20de%20pression
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2002-11-20
Record 2, English
Record 2, Subject field(s)
- Scientific Instruments
- Plant Biology
- Scientific Research Equipment
Record 2, Main entry term, English
- pressure bomb
1, record 2, English, pressure%20bomb
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- pressure chamber 2, record 2, English, pressure%20chamber
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Instrument ... used to measure water potential of plant leaves. 3, record 2, English, - pressure%20bomb
Record number: 2, Textual support number: 1 CONT
Simply put, the pressure chamber ... is just a device for applying air pressure to a leaf (or small shoot), where most of the leaf is inside the chamber but a small part of the leaf stem (the petiole) is exposed to the outside of the chamber through a seal. The amount of pressure that it takes to cause water to appear at the petiole tells you how much tension the leaf is experiencing on its water: a high value of pressure means a high value of tension and a high degree of water stress. The units of pressure most commonly used are the Bar (1 Bar = 14.5 pounds per square inch) and the megapascal (1 MPa = 10 bars). 4, record 2, English, - pressure%20bomb
Record number: 2, Textual support number: 2 CONT
How is water potential measured? ... - Pressure bomb (pressure chamber): measures [psi subscript w] of whole leaves, stems : - when a stem or leaf is cut off of a plant, the sap is sucked back into the xylem, since it is under tension; - the tissue is sealed inside a steel chamber, with the cut end protruding; - pressure is applied (using compressed nitrogen) until the sap is pushed back up to the top; this amount of pressure is equal but opposite to the [Psi subscript w] of the tissue. 5, record 2, English, - pressure%20bomb
Record number: 2, Textual support number: 1 OBS
There are different types of pressure chambers, some using a tank of high pressure gas, some using a hand-pump, but all work on the same basic principle and in most cases the operation and use of the different types of pressure chambers is identical. 4, record 2, English, - pressure%20bomb
Record 2, French
Record 2, Domaine(s)
- Instruments scientifiques
- Biologie végétale
- Matériel et équipement (Recherche scientifique)
Record 2, Main entry term, French
- chambre à pression
1, record 2, French, chambre%20%C3%A0%20pression
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- chambre de pression 2, record 2, French, chambre%20de%20pression
correct, feminine noun
- chambre en pression 2, record 2, French, chambre%20en%20pression
correct, feminine noun
- bombe à pression 3, record 2, French, bombe%20%C3%A0%20pression
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
[Instrument de] mesure de l'état hydrique [...] 4, record 2, French, - chambre%20%C3%A0%20pression
Record 2, Spanish
Record 2, Textual support, Spanish
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