Plasma processing — is a plasma based material processing technology that aims at modifying the chemical and physical properties of a surface.Plasma processing techniques include: *Plasma activation *Plasma modification *Plasma functionalization *Plasma… … Wikipedia
Plasma nitriding — or ion nitriding (sometimes also called plasma ion nitriding) or glow discharge nitriding, is an industrial surface hardening treatment for metallic materials.DescriptionA plasma is the fourth state of matter, the other three being solid, liquid… … Wikipedia
plasma- — ⇒PLASMA , PLASM(O) , (PLASM , PLASMO )élém. formants I. L élém. est ou représente le subst. plasma. A. BIOL., MÉD. [Corresp. à plasma A 1 a] 1. [Le mot constr. est un adj.; le 2e élém. est un suff.] V. plasmatique (dér. s.v. plasma). 2. [Les mots … Encyclopédie Universelle
Plasma cell — Plasma cells (also called plasma B cells or plasmocytes) are cells of the immune system that secrete large amounts of antibodies. They differentiate from B cells upon stimulation by CD4+ lymphocytes. The B cell acts as an antigen presenting cell… … Wikipedia
Plasma (physics) — For other uses, see Plasma. Plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of relaxation of electrons in excited states to lower energy states after they have recombined… … Wikipedia
Plasma sanguin — Pour les articles homonymes, voir Plasma. Ces deux tubes contiennent de l EDTA, dans celui de gauche les hématies ont eu le temps de sédimenter ce qui n est pas le cas du tube de droite où elles sont en suspension … Wikipédia en Français
Dense plasma focus — Plasma gun redirects here. For the science fiction weapon, see plasma weapon (fiction). A dense plasma focus (DPF) is a machine that produces, by electromagnetic acceleration and compression, a short lived plasma that is so hot and dense that it… … Wikipedia
Egg activation — After the fusion of the sperm plasma membrane and the egg plasma membrane after fertilization, animal eggs go through a process called egg activation to prepare the egg for development.There are three functions of egg activation: # Block to… … Wikipedia
Oocyte activation — Oocyte (or ovum/egg) activation is a series of processes that occur in the oocyte after fertilisation. Sperm entry causes calcium release into the oocyte. In mammals, this has been proposed to be caused by the introduction of phospholipase C… … Wikipedia
Conduit de plasma — Jargon de Star Trek: A E Liste détaillée expliquant les mots du Jargon de Star Trek ne requérant pas un article détaillé (Liste de A à E). Sommaire 1 Accident de téléporteur 2 Armure ablative 3 … Wikipédia en Français
