earth kiln
a chamber or retort, generally of metal or brick construction, for carbonising wood to produce charcoal. An earth kiln consists essentially of a stack of wood covered with earth, turf, etc., with vents to serve as air inlets and chimney; a pit kiln is a pit dug in the ground, filled with wood and similarly covered with earth. |
earthquakes
Español: terremotos
Portugués: terremotos
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earthworms
Español: lombriz de tierra
Portugués: minhoca
|
Earwig
An order of insects which includes the earwigs. |
East Indian kino
a group of red to red-black substances, neither resins nor gums but largely water-soluble and rich in tannins, obtained as exudations from trees, mainly in the tropics. Note: Indian and Ceylon (as also East Indian and Malabar) kinos come from Pterocarpus marsupium, West African kino from Pterocarpus erinaceus, Australian kinos (= Eucalypt gums) from Eucalyptus species, Bengal kino (= Butea gum) fr... |
eau de fond
Eau qui remplit momentanément, ou non, les pores les plus gros du sol ; cette eau peut stagner ou s'écouler ; lorsqu'elle stagne ou s'écoule très lentement elle constitue une nappe phréatique ; lorsqu'elle est naturellement (ou artificiellement) bien drainée la portion qui s'écoule constitue le flux de profondeur = inféroflux.Syn. eau souterraine. |
EBCL
European Biological Control Laboratory. |
EBRD
European Bank for Reconstruction and Development. |
EC
Pesticides: Liquid formulation that when added to water spontaneously disperses as fine droplets to form an emulsion. Usually written as 10EC or 50EC on pesticide labels. Sometimes called a 'miscible oil'. |
EC50
The median effective concentration (ppm or ppb) of a toxicant that produces a designated effect in 50% of the exposed test organisms. |