point cathode
81Microbial fuel cell — A microbial electrolysis cell A microbial fuel cell (MFC) or biological fuel cell is a bio electrochemical system that drives a current by mimicking bacterial interactions found in nature. Mediator less MFCs are a more recent development; due to… …
82THORIUM — En 1828, Jöns Jacob Berzelius découvrit un nouveau métal qu’il baptisa thorium en l’honneur de Thor, dieu de la mythologie scandinave. Bien qu’il soit relativement rare, cet élément a été utilisé depuis longtemps dans l’industrie, principalement… …
83rayon — 1. rayon [ rɛjɔ̃ ] n. m. • 1531; de rai, lat. radius 1 ♦ Trace de lumière en ligne ou en bande. ⇒ 1. jet, rai, 1. trait. Un rayon de soleil, de lune. « Parfois un rayon perçait les nuages » (Green). « en apercevant, par la fente d un auvent, un… …
84Chlorine — This article is about the chemical element. For the bleach, see Sodium hypochlorite. For the upcoming film, see Chlorine (film). sulfur ← chlorine → argon F ↑ Cl ↓ Br …
85Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr …
86Seven-segment display — A typical 7 segment LED display component, with decimal point. A seven segment display (SSD), or seven segment indicator, is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix …
87Capillary electrophoresis — Infobox chemical analysis name = Capillary electrophoresis caption = acronym = CE classification =Electrophoresis analytes = Biomolecules Chiral molecules manufacturers = related = gel electrophoresis Two dimensional gel electrophoresis… …
88Crookes tube — A Crookes tube. The electrons travel in straight lines from the cathode on the left, shown by the shadow cast by the cross on the fluorescence on the righthand wall. The anode is at the bottom. A Crookes tube is an early experimental electrical… …
89Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
90négatif — négatif, ive [ negatif, iv ] adj. et n. • 1283; lat. negativus, de negare « nier » I ♦ (Opposé à affirmatif) 1 ♦ Qui exprime une négation, un refus. Réponse négative. « Le guide fit un signe de tête négatif » (Hugo). ♢ Qui exprime la négation.… …
