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Terms for subject Environment containing élément | all forms | exact matches only
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mobilisation des éléments en tracemobilization of trace elements
oligo-élément transporté par le ventair-borne trace element
pourcentage d'éléments conçus pour être réutilisés par annéepercentage of machinery parts designed for reuse per year
pourcentage d'équipements avec des éléments réutilisables par annéepercentage of equipment with reusable parts per year
pourcentage ou nombre d'éléments avec des écolabels par annéepercentage or number of equipment with eco-labels per year
principaux éléments composant le réseau nationalMain Component Element
solution d'éléments du solsoil solution
élément biotiquebiotic component
élément chimiquechemical element elements and their compounds ; A substance made up of atoms with the same atomic number; common examples are hydrogen, gold, and iron
élément constitutifbuilding block
élément de combustible nucléairenuclear fuel element A piece of nuclear fuel which has been formed and coated, and is ready to be placed in a reactor fuel assembly
élément de combustible nucléairenuclear fuel element
élément de l'environnementelement of the environment
élément de plancherfloor element
élément de transitiontransition element One of a group of metallic elements in which the members have the filling of the outermost shell to 8 electrons interrupted to bring the penultimate shell from 8 to 18 or 32 electrons; includes elements 21 through 29 (scandium through copper), 39 through 47 (yttrium through silver), 57 through 79 (lanthanum through gold), and all known elements from 89 (actinium) on
élément de transitiontransition element
élément de type "bouton"buttoncell
élément de type "bouton"button cell battery
élément d'incertitudeuncertainty
élément du paysagelandscape component In visual assessment work, landscapes can be divided into four major elements. 1. Form is the perceived mass or shape of an object that appears unified, and which provides a consciousness of its distinction and relation of a whole to the component parts. 2. Line is the real or imagined path, border, boundary, or intersection of two planes, such as a silhouette, that the eye follows when perceiving abrupt differences in form, colour or texture. 3. Colour is a visual perception that enables the eye to differenciate otherwise identical objects based on the wavelengths of reflected light. 4. Texture is the visual feel of a landscape
élément du paysagelandscape component
élément hydrographiquewater feature
élément hydrographiquehydrographic feature
élément important d'écosystèmevalued ecosystem component
élément mobilemobile component
élément nocifnoxious agent
élément nutritif d'une planteplant nutrient
élément produit par la pyrolysepyrolysis product
élément radicalaireradical substance
élément radicalaireradical species
élément radicalaireradical element
élément standardtypified component
élément tracetrace element Any of various chemical elements that occur in very small amounts in organisms and are essential for many physiological and biochemical processes
élément tracetrace elements
élément tracetrace element
élément trace d'origine atmosphériqueair-borne trace element
élément usinéfactoried element
élément viable de l'écosystèmeviable component of the ecosystem
éléments chimiqueschemical elements
éléments combustibles nucléairesnuclear fuel element
éléments de pollution de l'aircomponent of air pollution
éléments de transitiontransition elements
éléments du groupeelements of group 0
éléments du groupe I alcalinselements of group alkaline
éléments du groupe Ielement of group Any of the monovalent metals lithium, sodium, potassium, rubidium, caesium, and francium, belonging to group 1A of the periodic table. They are all very reactive and electropositive; alkaline (alcalins)
éléments du groupe I alcalinselement of group alkaline
éléments du groupe II métaux alcalino-terreuxelements of group alkaline earth metals
éléments du groupe IIelement of group Any of the divalent electropositive metals beryllium, magnesium, calcium, strontium, barium, and radium, belonging to group 2A of the periodic table; alkaline earth metals (métaux alcalino-terreux)
éléments du groupe II métaux alcalino-terreuxelement of group alkaline earth metals
éléments du groupe IIIelement of group Group III consists of two subgroups: group IIIb and group IIIa. Group IIIa consists of scandium, yttrium, and lanthanium, which is generally considered with the lanthanoids, and actinium, which is classified with the actinoids. Group IIIb, the main group, comprises boron, aluminium, gallium, indium, and thallium
éléments du groupe IIIelements of group III
éléments du groupe IIIelement of group III
éléments du groupe IVelement of group Group IV consists of two subgroups: group IVb, main group, and group IVa. Group IVa consists of titanium, zirconium, and hafnium which are generally classified as transition metals. The main group consists of carbonium, silicium, germanium, tin, and lead. The main valency of the elements is IV, and the members of the group show a variation from nonmetallic to metallic behaviour in moving down the group. The reactivity of the elements increases down the group from carbon to lead. All react with oxygen on heating
éléments du groupe IVelements of group IV
éléments du groupe IVelement of group IV
éléments du groupe Velements of group V
éléments du groupe Velement of group Group V consists of two subgroups: group Vb, the main group, and group Va. Group Va consists of vanadium, niobium, and tantalum, which are generally considered with the transition elements. The main group consists of nitrogen, phosphorus, arsenic, antimony, and bismuth
éléments du groupe Velement of group V
éléments du groupe VIelements of group VI
éléments du groupe VIelement of group Group VI consists of two subgroups: group VIb, the main group, and group VIa. Group VIa consists of chromium, molybdenum, and tungsten. The main group consists of oxygen, sulphur, selenium, tellurium, and polonium
éléments du groupe VIelement of group VI
éléments du groupe VIIelements of group VII
éléments du groupe VIIelement of group Any of the elements of the halogen family, consisting of fluorine, chlorine, bromine, iodine, and astatine
éléments du groupe VIIelement of group VII
éléments du paysagelandscape elements
éléments d'écologieenvironment components