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INDEX ROD [7 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2021-09-01

English

Subject field(s)
  • Optical Telecommunications
CONT

The parabolic refractive index profile acts on a plane wave like a lens, and the rod can be characterised by a refractive power...

French

Domaine(s)
  • Télécommunications optiques

Spanish

Save record 1

Record 2 2011-07-26

English

Subject field(s)
  • Scientific Instruments
DEF

A set of wires or etched lines placed on a reticule held in the focal plane of a telescope. They are used as index marks for pointings of the telescope such as in a transit or level when pointings and readings must be made on a rod.

Key term(s)
  • crosshairs

French

Domaine(s)
  • Instruments scientifiques
DEF

Ensemble des deux traits principaux rectangulaires du réticule.

Spanish

Save record 2

Record 3 2007-10-31

English

Subject field(s)
  • Weather Stations and Meteorological Instruments and Equipment
DEF

A graphical profile that exhibits ram resistance with depth.

CONT

The ram profile is a record of a hardness index through a vertical section of the snowpack. The ram hardness(R) is measured by driving a ram penetrometer(ram or ramsonde) vertically into the snowpack. The ram is a tube or rod with a centimeter scale for depth and a standard cone-shaped tip. The operator drops a hammer(H) a certain distance(f) and records the penetration depth(p) of the ram into the snow.

CONT

The ram profile highlighted a deep weak layer. [Example approved by the Avalanche Bulletin Terminology Standardization Committee.]

OBS

The ram resistance is an index of the relative hardness of snow as measured by a rammesonde.

OBS

ram profile; ramsonde profile: terms officially approved by the Avalanche Bulletin Terminology Standardization Committee.

French

Domaine(s)
  • Stations, instruments et équipements météorologiques
DEF

Profil établi à l'aide d'un sondage de battage qui représente sous forme d'histogramme la résistance au battage (ou à la pénétration) en fonction de la profondeur.

CONT

Le profil de battage a permis de détecter une couche fragile en profondeur. [Exemple entériné par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.]

OBS

[Un profil de battage] permet de se faire une idée de la stratification et de la dureté du manteau neigeux.

OBS

profil de battage; profil par battage : termes uniformisés par le Comité d'uniformisation de la terminologie des bulletins d'avalanche.

Spanish

Save record 3

Record 4 2006-10-23

English

Subject field(s)
  • Aeronautical Engineering and Maintenance
OBS

(eye locator).

French

Domaine(s)
  • Aérotechnique et maintenance
OBS

Terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes.

Spanish

Save record 4

Record 5 1999-04-01

English

Subject field(s)
  • Soil Mechanics (Engineering)
  • Soil Tests (Construction)
DEF

Index of the shearing resistance of soil obtained with the cone penetrometer: a number representing resistance to penetration into the soil of a 30° cone with a 1/2-in. base (actually, a load in pounds on a cone base area in square inches.

CONT

A cone penetrometer consists of a proving ring attached by rod to a steel cone. Test is performed by pushing the assembly into the ground and recording the dial gauge reading. The reading is then converted into a pressure called the cone index. Cone indices can be correlated to California bearing ratio test results.

French

Domaine(s)
  • Mécanique des sols
  • Essais du sol (Construction)
OBS

Le pénétromètre Meurisse. [...] Le fonçage s'effectue à l'aide d'un vérin hydraulique qui agit, soit sur la tige interne seule, soit simultanément sur la tige externe et le fourreau. Ce dispositif permet de mesurer séparément la résistance à la pénétration de la pointe et la résistance due au frottement latéral total.

OBS

[...] - la lecture des mesures de résistance en pointe, de frottement latéral sur le manchon de mesure, et d'effort total, est assurée par un système d'anneaux dynamométriques et de manomètres hydrauliques [...]

OBS

Pénétromètre [...] pour essais de résistance des terrains à la pointe et au frottement latéral.

Spanish

Save record 5

Record 6 1989-01-31

English

Subject field(s)
  • Lasers and Masers

French

Domaine(s)
  • Masers et lasers

Spanish

Save record 6

Record 7 1976-06-19

English

Subject field(s)
  • Air Navigation Aids

French

Domaine(s)
  • Aides à la navigation aérienne

Spanish

Save record 7

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