migration of ions
51Ecology — For other uses, see Ecology (disambiguation). Ecology …
52mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …
53nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …
54chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
55Capillary electrophoresis — Infobox chemical analysis name = Capillary electrophoresis caption = acronym = CE classification =Electrophoresis analytes = Biomolecules Chiral molecules manufacturers = related = gel electrophoresis Two dimensional gel electrophoresis… …
56Signal transduction — In biology, signal transduction refers to any process by which a cell converts one kind of signal or stimulus into another. Most processes of signal transduction involve ordered sequences of biochemical reactions inside the cell, which are… …
57Nerve guidance conduit — A nerve guidance conduit (also referred to as an artificial nerve conduit or artificial nerve graft, as opposed to an autograft) is an artificial means of guiding axonal regrowth to facilitate nerve regeneration and is one of several clinical… …
58Corrosion Aqueuse — La corrosion désigne l altération d un objet manufacturé par l environnement. Les exemples les plus connus sont les altérations chimiques des métaux dans l eau avec ou sans oxygène telles la rouille du fer et de l acier, ou la formation de vert… …
59Corrosion aqueuse — La corrosion désigne l altération d un objet manufacturé par l environnement. Les exemples les plus connus sont les altérations chimiques des métaux dans l eau avec ou sans oxygène telles la rouille du fer et de l acier, ou la formation de vert… …
60oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
