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ROOT PENETRATION [10 records]

Record 1 2006-05-05

English

Subject field(s)
  • Cultivating and Tilling Equipment
  • Drainage and Irrigation (Agric.)
DEF

A special type of implement which is designed to penetrate hard or impervious soils so as to aid in water retention and better root penetration. There are several types consisting principally of one or more heavy, curved subsoil standards equipped with chisel-like plow points which penetrate deeply into the soil without turning the surface.

Key term(s)
  • subsoil plough
  • subsoiler

French

Domaine(s)
  • Motoculteurs et motobineuses
  • Drainage et irrigation (Agriculture)
DEF

Charrue sans versoirs, à un ou plusieurs étançons minces et tranchants et à socs étroits et inclinés, destinée à disloquer le sol en profondeur sans le retourner; [...]

Spanish

Campo(s) temático(s)
  • Motocultores y motobinadoras
  • Drenaje y riego (Agricultura)
DEF

[Arado que remueve] el suelo profundamente sin voltearlo.

Save record 1

Record 2 2006-01-25

English

Subject field(s)
  • Soil Science
DEF

The physical condition of soil as related to its ease of tillage, fitness as a seedbed, and impedance to seedling emergence and root penetration.

French

Domaine(s)
  • Science du sol
DEF

Condition physique du sol en ce qui a trait à ses qualités pour le labour, l'ensemencement, l'émergence des pousses et la pénétration des racines.

Spanish

Save record 2

Record 3 2005-05-09

English

Subject field(s)
  • Roofs (Building Elements)
  • Ecology (General)
CONT

A green roof is a green space created by adding layers of growing medium and plants on top of a traditional roofing system... The layers of a contemporary green roof system, from the top down, include : the plants, often specially selected for particular applications; an engineered growing medium, which may not include soil; a landscape or filter cloth to contain the roots and the growing medium, while allowing for water penetration; a specialized drainage layer, sometimes with built-in water reservoirs; the waterproofing/roofing membrane, with an integral root repellent, and the roof structure, with traditional insulation either above or below.

Key term(s)
  • greenroof
  • greenroof system

French

Domaine(s)
  • Toitures (Éléments du bâtiment)
  • Écologie (Généralités)
CONT

Un toit vert, c'est un espace vert qu'on crée en installant plusieurs couches de substrat de croissance et des plantes sur une couverture traditionnelle. [...] Le système de toit vert contemporain comporte, de haut en bas, les couches suivantes: les plantes, souvent choisies en fonction de certaines applications; un substrat de croissance fabriqué, parfois sans terre; un tissu filtrant pour contenir les racines et le substrat tout en laissant pénétrer l'eau; une couche de drainage spécialisé, qui comprend parfois des réservoirs d'eau intégrés; une membrane imperméable de couverture comportant un agent anti-racines; la structure du toit et un matériau isolant au-dessus ou au-dessous de celle-ci.

PHR

Des milliers de toits verts poussent.

PHR

Implantation d'un toit vert.

Spanish

Save record 3

Record 4 2001-01-09

English

Subject field(s)
  • Drainage and Irrigation (Agric.)
CONT

In agricultural regions where water supply is limited. Germinox treated seeds utilise the available water more efficiently, thus reducing watering quantity.

OBS

Watering hints--proper watering(quantity & frequency) is very important! To conserve water & retain elements in the root zone while improving effectiveness of plant food & chemicals, do not overwater.... Morning watering is best! Soaker hoses often help water penetration near curbs and hard to get dry spots.

French

Domaine(s)
  • Drainage et irrigation (Agriculture)
DEF

[...] quantité d'eau apportée lors d'un arrosage.

CONT

Dose et fréquence d'arrosage. [...] Elle s'exprime, soit en mètre cube par hectare, soit de préférence en millimètre de hauteur d'eau supposée appliquée uniformément sur toute la parcelle, même lorsqu'il s'agit d'une méthode comme l'irrigation localisée. Un millimètre de hauteur d'eau équivaut à un litre par mètre carré ou à dix mètres cubes par hectare.

Spanish

Campo(s) temático(s)
  • Drenaje y riego (Agricultura)
Save record 4

Record 5 1998-08-21

English

Subject field(s)
  • Textiles: Preparation and Processing
  • Carpets and Floor Coverings
  • Carpets and Upholstery Textiles
  • Glues and Adhesives (Industries)
CONT

Precoating. The operation of depositing a bonding agent on the back of a textile floorcovering to ensure its penetration into the substrate and pile root without reaching the use-surface.

French

Domaine(s)
  • Apprêt et traitements divers (Textiles)
  • Tapis et revêtements de sol
  • Tapis et textile d'ameublement
  • Colles et adhésifs (Industries)

Spanish

Save record 5

Record 6 1996-08-28

English

Subject field(s)
  • Dentistry
DEF

Caries noted particularly in old age when supporting tissues have receded, occurs in cementum, usually on proximal surfaces of the teeth; involving both cementum and dentin, a slowly progressing chronic lesion of the root surface involving plaque and microbial invasion.

CONT

It has been known by a variety of terms, including cemental caries, cervical caries, radicular caries and even "senile" caries. Root caries is usually seen as a shallow(less than 2 mm deep), ill defined softened area, often discolored and characterized by destruction of cementum with penetration of underlying dentin.

French

Domaine(s)
  • Dentisterie

Spanish

Save record 6

Record 7 1994-12-16

English

Subject field(s)
  • Textiles: Preparation and Processing
  • Carpets and Upholstery Textiles
  • Carpets and Floor Coverings
DEF

The operation of depositing a bonding agent on the back of a textile floorcovering to ensure its penetration into the substrate and pile root without reaching the use-surface.

French

Domaine(s)
  • Apprêt et traitements divers (Textiles)
  • Tapis et textile d'ameublement
  • Tapis et revêtements de sol

Spanish

Save record 7

Record 8 1986-11-01

English

Subject field(s)
  • Welding and Soldering (Metals)
DEF

Material placed on the root side of a weld to aid control of penetration.

French

Domaine(s)
  • Soudage (Métal)
DEF

Matériau placé sur l'envers (du côté de la racine) d'une soudure afin d'empêcher un excès de volume du cordon de pénétration.

OBS

ACNOR, W-59, 1984, 135.

Spanish

Save record 8

Record 9 1980-10-16

English

Subject field(s)
  • Dentistry
OBS

Instruments intended for the exploration, penetration, preparation or filling of root canals.

Key term(s)
  • root-canal instrument

French

Domaine(s)
  • Dentisterie
OBS

Instruments conçus pour l'exploration, la pénétration, la préparation ou l'obturation des canaux radiculaires.

Key term(s)
  • instrument pour canal radiculaire

Spanish

Save record 9

Record 10 1977-08-23

English

Subject field(s)
  • Soil Science
  • Geology
OBS

In this case the original aggregates have been reduced to blocks, irregularly six faced, and with their three dimensions more or less equal. In size these fragments range from a fraction of an inch to 3 or 4 inches in thickness.... When subrounding has occurred, the aggregates are spoken of as "subangular blocky" or "nuciform". These types usually are confined to the subsoil, and their stage of development and other characteristics have much to do with soil drainage, aeration, and root penetration.

French

Domaine(s)
  • Science du sol
  • Géologie
OBS

L'agrégat structural est généralement un peu plus gros que dans la structure grumeleuse et atteint la taille d'une noix; il est limité par des faces, dont les unes sont plates et les autres arrondies, se rejoignant par des arêtes elles-mêmes vives ou émoussées.

Spanish

Save record 10

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