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MICROPORE [6 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2023-05-16

English

Subject field(s)
  • Mathematics, Physics and Natural Sciences
  • Electronics and Informatics
  • Medicine and Health
  • Industries
DEF

A cavity with at least one dimension in the nanoscale [range] and that may contain a gas or a liquid.

OBS

The shape and content of the cavity can vary. The concept of nanopore overlaps [the concepts of] micropore(a pore with a width of about 2 nm or less), mesopore(a pore with a width between approximately 2 and 50 nm) and macropore(a pore with a width greater than about 50 nm).

OBS

nm: nanometre.

OBS

When nanopores are appropriately interconnected, they may allow for transport through the material (permeability).

OBS

nanopore: term and definition standardized by the International Organization for Standardization (ISO).

Key term(s)
  • nano-pore

French

Domaine(s)
  • Mathématiques, physique et sciences naturelles
  • Électronique et informatique
  • Médecine et santé
  • Industries
DEF

Cavité dont au moins une dimension est à l'échelle nanométrique et qui peut contenir un gaz ou un liquide.

OBS

La forme et le contenu de la cavité peuvent varier. Le concept de nanopore [a des points communs avec les concepts] de micropore (pore de diamètre inférieur ou égal à 2 nm environ), de mésopore (pore de diamètre compris entre 2 et 50 nm environ) et de macropore (pore de diamètre supérieur à 50 nm environ).

OBS

nm : nanomètre.

OBS

Quand les nanopores sont interconnectés de manière appropriée, ils peuvent assurer un transport à travers le matériau (perméabilité).

OBS

nanopore : terme et définition normalisés par l'Organisation internationale de normalisation (ISO).

Key term(s)
  • nano-pore

Spanish

Campo(s) temático(s)
  • Matemáticas, física y ciencias naturales
  • Electrónica e informática
  • Medicina y Salud
  • Industrias
CONT

[...] un grupo de investigación [...] ha desarrollado nanorreactores biofuncionales que amplifican [moléculas de ácido desoxirribonucleico]. Consisten en películas delgadas de óxido de titanio (TiO2) que contienen nanoporos sobre los que se esparce ADN-polimerasa, una enzima capaz de replicar la estructura del ADN [ácido desoxirribonucleico]

Save record 1

Record 2 2021-07-14

English

Subject field(s)
  • Oil Drilling
CONT

During the hydraulic fracturing process, some of the fracturing fluid may leave the fracture and enter the targeted formation adjacent to the created fracture(i. e. untreated formation). This phenomenon is known as fluid leak-off. The fluid flows into the micropore or pore spaces of the formation or into existing natural fractures in the formation or into small fractures opened and propagated into the formation by the pressure in the induced fracture.

French

Domaine(s)
  • Forage des puits de pétrole
DEF

Phénomène se produisant lorsque le liquide de fracturation hydraulique s'écoule de la fracture principale et s'infiltre dans une autre partie de la formation ou dans un autre réseau de fractures.

Spanish

Save record 2

Record 3 2011-09-20

English

Subject field(s)
  • Geology
  • Oil Drilling
CONT

The fluid flows into the micropore or pore spaces of the formation or into existing natural fractures in the formation or into small fractures opened and propagated into the formation by the pressure in the induced fracture.

French

Domaine(s)
  • Géologie
  • Forage des puits de pétrole
CONT

Le principe de la fracturation hydraulique consiste à envoyer dans le puits un mélange d’eau et de sable sous forte pression, afin de provoquer des fractures dans la roche à travers le tubage du puits, préalablement perforé sur certains segments pour assurer la communication avec la formation géologique, ou d'agrandir les fractures naturelles de la roche. Les grains de sable qui s’insèrent dans les fractures ainsi créées les empêchent de se refermer ultérieurement quand la pression se relâche.

Spanish

Save record 3

Record 4 2005-11-10

English

Subject field(s)
  • Soil Science
DEF

A hole in the soil caused by the presence and movement of soil organisms, such as insects and earthworms, or by the decay of plant roots.

CONT

Soil Physical Properties [...] Pore Size. a) Macropore. b) Micropore. c) Biopore.

CONT

Biopore and root counts for selected depths at selected sites (mainly humid region sites).

French

Domaine(s)
  • Science du sol
DEF

Trou creusé dans le sol par la présence et le mouvement d'organismes du sol, comme les insectes et les vers de terre, ou par la décomposition des racines des plantes.

CONT

Comptage de biopore et racines à certaines profondeurs et sites (surtout pour les sites en région humide).

Spanish

Save record 4

Record 5 1997-12-18

English

Subject field(s)
  • Electrometallurgy
  • Electrolysis (Electrokinetics)
DEF

A microcrack or a micropore.

OBS

Term and definition standardized by ISO.

French

Domaine(s)
  • Électrométallurgie
  • Électrolyse (Électrocinétique)
DEF

Microfissure ou micropore.

OBS

Terme et définition normalisés par l'ISO.

Spanish

Save record 5

Record 6 1994-10-13

English

Subject field(s)
  • Analytical Chemistry
DEF

Diffusion within the small micropores of the adsorbent which are of a size comparable with the molecular diameter of the sorbate. Under these conditions the diffusing molecule never escapes from the force field of the solid surface and steric hindrance is important. For zeolites the terms micropore diffusion and intracrystalline diffusion are synonymous.

French

Domaine(s)
  • Chimie analytique

Spanish

Save record 6

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