a gain of negative electrons
1Gain-switching — is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, of the order of picoseconds (10 12s).In a semiconductor laser, the optical pulses are generated by injecting a large number of carriers… …
2negative — /ˈnɛgətɪv / (say neguhtiv) adjective 1. expressing or containing negation or denial: a negative statement. 2. expressing refusal to do something. 3. refusing consent, as to a proposal. 4. prohibitory, as an order or command. 5. characterised by… …
3negative — neg•a•tive [[t]ˈnɛg ə tɪv[/t]] adj. n. adv. v. tived, tiv•ing, interj. 1) expressing or containing negation or denial: a negative response to the question[/ex] 2) refusing consent, as to a proposal: a negative reply to my request[/ex] 3)… …
4negative — negatively, adv. negativeness, negativity, n. /neg euh tiv/, adj., n., adv., v., negatived, negativing, interj. adj. 1. expressing or containing negation or denial: a negative response to the question. 2. refusing consent, as to a proposal: a… …
5oxidation–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… …
6geomagnetic field — Magnetic field associated with the Earth. It is essentially dipolar (i.e., it has two poles, the northern and southern magnetic poles) on the Earth s surface. Away from the surface, the field becomes distorted. Most geomagnetists explain the… …
7Ion — Cation and Anion redirect here. For the particle physics/quantum computing concept, see Anyon. For other uses, see Ion (disambiguation). Hydrogen atom (center) contains a single proton and a single electron. Removal of the electron gives a cation …
8acid–base reaction — ▪ chemistry Introduction a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …
9Reduction potential — (also known as redox potential, oxidation / reduction potential, ORP or Eh) is a measure of the tendency of a chemical species to acquire electrons and thereby be reduced. Reduction potential is measured in volts (V), or millivolts (mV). Each… …
10fusion reactor — Physics. a reactor for producing atomic energy by nuclear fusion. Cf. reactor (def. 4). * * * Introduction also called fusion power plant or thermonuclear reactor a device to produce electrical power from the energy released in a nuclear… …
