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Environment and Chemistry (EN-FR)



EN-FR FR-EN | 1 | A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

Z pinch

EN: Z pinch, longitudinal pinch
FR: striction longitudinale, Z pinch
Definition EN: a form of pinch in which the current flowing through the plasma is longitudinal whereas the magnetic field, generated by this current, is azimuthal
Definition FR: striction d'un plasma dans laquelle le courant qui le traverse est longitudinal tandis que le champ magnétique, créé par ce courant, est azimutal

Z soil

EN: Z soil, solonchack soil
FR: sol solontchack, sol Z
Definition FR: sol salin dont la surface présente des efflorescences salines blanches, fréquent en régions arides

z-axis vibration

EN: z-axis vibration, yaw
FR: vibration axe z
Definition EN: vibration acting along the longitudinal(vertical or head-to-foot)axis of the human body
Definition FR: mouvement vibratoire agissant dans le sens de l'axe vertical du corps humain(pieds-tête)

z-axis vibration

EN: z-axis vibration
FR: vibration axe z
Definition EN: vibration acting along the longitudinal(vertical or head-to-foot)axis of the human body
Definition FR: mouvement vibratoire agissant dans le sens de l'axe vertical du corps humain(pieds-tête)

Zener knee

EN: Zener knee, Zener knee voltage, Zener voltage
FR: tension de Zener
Definition EN: onset voltage of the Zener effect at which the p-n junction characteristic enters the breakdown region; the potential required to initiate breakdown, defined as the potential at a particular value of the reverse current such as 1A
Definition FR: lorsque la tension appliquée dans le sens inverse dépasse une certaine valeur, le courant inverse augmente brusquement en valeur absolue. La tension de Zener dépend très peu de la température

Zener knee voltage

EN: Zener knee voltage, Zener voltage, Zener knee
FR: tension de Zener
Definition EN: onset voltage of the Zener effect at which the p-n junction characteristic enters the breakdown region; the potential required to initiate breakdown, defined as the potential at a particular value of the reverse current such as 1A
Definition FR: lorsque la tension appliquée dans le sens inverse dépasse une certaine valeur, le courant inverse augmente brusquement en valeur absolue. La tension de Zener dépend très peu de la température

Zener voltage

EN: Zener voltage, Zener knee voltage, Zener knee
FR: tension de Zener
Definition EN: onset voltage of the Zener effect at which the p-n junction characteristic enters the breakdown region; the potential required to initiate breakdown, defined as the potential at a particular value of the reverse current such as 1A
Definition FR: lorsque la tension appliquée dans le sens inverse dépasse une certaine valeur, le courant inverse augmente brusquement en valeur absolue. La tension de Zener dépend très peu de la température

zero delivery pressure

EN: zero delivery pressure
FR: pression zéro de refoulement
Definition EN: in delivery line of variable-displacement pump at normal operating speed with zero stroke

zero gas

EN: zero gas
FR: gaz de 'zéro'
Definition FR: gaz ou mélange de gaz utilisé pour établir le point zéro d'une courbe d'étalonnage

zero lift

EN: zero lift
FR: portance nulle
Definition EN: angle of attack at which aerofoil generates neither positive nor negative lift, i.e. no force normal to airstream
Definition FR: composante égale à  zéro de la résultante aérodynamique de l'avion

zero principle

EN: zero principle
FR: principe zéro
Definition EN: if two systems are both in thermal equilibrium with a third one,they are in mutual thermal equilibrium(this principle is an introduction to the temperature concept)
Definition FR: si deux systèmes sont chacun en équilibre thermique avec un troisième, ils sont en équilibre thermique entre eux (introduit la notion de température)

zero sound

EN: zero sound
FR: son zéro
Definition EN: a modified form of ordinary sound occurring in liquid helium 3 well below 1 K
Definition FR: forme modifiée du son dans l'hélium 3 liquide aux températures sensiblement inférieures à  1 K

zero-point energy

EN: zero-point energy
FR: énergie au zéro absolu
Definition EN: D.the total energy of a system of particles at absolute zero temperature.
Definition FR: D.énergie totale d'un système de particules au zéro absolu de température.

zero-profit rule

EN: zero-profit rule
FR: règle de profit nul
Definition FR: règle interdisant aux décharges communales de réaliser des profits

zig-zag kiln

EN: zig-zag kiln
FR: tour zig-zag
Definition FR: type de four continu à  feu mobile, comportant un changement de direction des gaz lorsqu'ils passent d'une chambre à  l'autre

zigzag chamber

EN: zigzag chamber
FR: chambre à  zigzag
Definition FR: chambre de sédimentation contenant un système de chicanes dans lequel les grosses particules (ex. cendres volantes) sont séparées des gaz de cheminée par suite de changements de direction, de la réduction de la vitesse du courant d'air, ou des deux à  la fois

zinc

EN: zinc
FR: zinc
Definition EN: a metallic chemical element with the symbol Zn and atomic number 30. a moderately reactive bluish grey metal that tarnishes in moist air and burns in air with a bright bluish-green flame, giving off fumes of zinc oxide. It is the fourth most common metal in use, after iron, aluminium, and copper.
Definition FR: élément chimique de numéro atomique 30 et de symbole Zn

zinc

EN: zinc
FR: zinc
Definition EN: chemical element:atomic number 30
Definition FR: élément chimique:numéro atomique 30

zinc chloride

EN: zinc chloride
FR: chlorure de zinc
Definition EN: metallic salt
Definition FR: sel métallique

zinc dust

EN: zinc dust
FR: poussière de zinc
EN: blue powder
FR: poudre bleue
Definition EN: finely divided zinc metal used as Pigment in corrosion inhibitive paints

zinc grey

EN: zinc grey
FR: gris de zinc
Definition EN: very impure zinc oxide
Definition FR: oxyde de zinc très impur ; colorant

zinc sulfide

EN: zinc sulfide
FR: sulfure de zinc
Definition EN: white pigment consisting of ZnS.C.I.Pigment White 7

zinc-rich primer

EN: zinc-rich primer
FR: primaire riche en zinc
Definition EN: anti-corrosive primer for steel incorporating zinc dust in a concentration sufficient to give electrical conductivity in the dried film,thus enabling the zinc metal to corrode preferentially to the substrate,i.e.to give cathodic protection

zircalloy

EN: zircalloy
FR: zircalloy
Definition EN: zirconium alloyed with tin

zirconium

EN: zirconium
FR: zirconium
Definition EN: a chemical element with the symbol Zr and atomic number 40.
Definition FR: élément chimique de numéro atomique 40 et de symbole Zr

zone axis

EN: zone axis
FR: axe de zone
Definition FR: ligne ou direction cristallographique à  travers le centre d'un cristal qui est parallèle aux faces d'intersection des plans d'un cristal définissant la zone cristalline

zoning

EN: zoning
FR: zonage
Definition EN: 1.Designation and reservation under a master plan of land use for light and heavy industry, dwellings, offices, and other buildings; use is enforced by restrictions on types of buildings in each zone.

zoochory

EN: zoochory, animal dispersal
FR: zoochorie
Definition FR: dispersion par les animaux.

zoogeography

EN: zoogeography
FR: zoogéographie
Definition EN: science that attempts to describe and explain the distribution of animals in space and time
Definition FR: étude de la distribution géographique des animaux

zoological garden

EN: zoological garden
FR: parc zoologique
Definition EN: 1.Area in which animals, especially wild animals, are kept so that people can go and look at them, or study them.

zoology

EN: zoology
FR: zoologie
Definition EN: 1.The study of animals, including their classification, structure, physiology, and history.

zoonosis

EN: zoonosis
FR: zoonose
Definition EN: disease of animals, e.g. rabies, that can be transmitted to humans. A risk in major disasters ; any disease and/or infection which is likely to be naturally transmitted from animals to man ; disease caused by animal parasites
Definition FR: toute maladie et/ou toute infection susceptibles de se transmettre naturellement des animaux à  l'homme

zymosis

EN: zymosis, fermentation
FR: fermentation
Definition EN: 1.Any enzymatic transformation of organic substrates, especially carbohydrates, generally accompanied by the evolution of gas; a physiological counterpart of oxidation, permitting certain organisms to live and grow in the absence of air; used in various industrial processes for the manufacture of products, such as alcohols, acids, and cheese by the action of yeasts, molds, and bacteria; alcoholic fermentation is the best-known example. Also known as zymosis.;2.process where carbohydrates are broken down by enzymes from yeast and produce alcohol


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