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HERBICIDAL [3 records]

Record 1 2008-08-14

English

Subject field(s)
  • Agricultural Chemicals
  • Crop Protection
  • Weed Science
DEF

having the ability to destroy plants ....

CONT

The herbicidal activity of amitrole destroys the existing vegetation.

OBS

See also "grass killing".

French

Domaine(s)
  • Agents chimiques (Agriculture)
  • Protection des végétaux
  • Mauvaises herbes
CONT

Un produit herbicide est une substance active ou une préparation ayant la propriété de tuer les végétaux.

Spanish

Save record 1

Record 2 2002-01-17

English

Subject field(s)
  • Chemistry
  • Petrochemistry
DEF

An emulsion in which water is the continuous phase.

CONT

In an oil-water emulsion, the oil is the dispersed phase and the water is the dispersion medium.

CONT

For example, milk is an emulsion of butterfat(dispersed) and water(continuous) with casein acting as the emulsifying agent. This type of emulsion is referred to as an oil-in-water(O/W) emulsion. Most herbicidal emulsions are of the O/W type.

OBS

Most oil-field emulsions consist of water dispersed in oil, hence the term "reverse emulsion" for an emulsion of globules of oil dispersed in water. Not to be confused with "invert emulsion," which is a water-in-oil emulsion.

OBS

aqueous emulsion: term standardized by ISO.

French

Domaine(s)
  • Chimie
  • Chimie du pétrole
DEF

Émulsion dont la phase continue est aqueuse.

CONT

L'émulsion est un liquide formé d'au moins deux substances non miscibles, dont l'une est dispersée dans l'autre à l'état de gouttes très fines. Par exemple, lorsqu'on agite fortement de l'eau avec une faible quantité relative d'huile, cette dernière se disperse dans l'eau et donne une émulsion «huile dans eau», dont l'eau est la phase continue. Inversement, on peut obtenir une émulsion «eau dans huile» [...]

OBS

L-H; eau dans l'huile; émulsion de type aqueux : termes normalisés par l'ISO.

Spanish

Campo(s) temático(s)
  • Química
  • Petroquímica
Save record 2

Record 3 1994-01-13

English

Subject field(s)
  • Crop Protection
DEF

Herbicidal treatment to stems of woody plants at and just above ground level.

French

Domaine(s)
  • Protection des végétaux

Spanish

Save record 3

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