activation of a cathode

aktywowanie katody żarzonej

English-Polish dictionary of Electronics and Computer Science. 2013.

Look at other dictionaries:

  • Hot cathode — is also a name for a hot filament ionization gauge, a vacuum measuring device.In vacuum tubes, a hot cathode is a cathode electrode which emits electrons due to thermionic emission. ( Cf. cold cathodes, where field emission is used and which do… …   Wikipedia

  • Solid oxide fuel cell — A solid oxide fuel cell (SOFC) is an electrochemical conversion device that produces electricity directly from oxidizing a fuel. Fuel cells are characterized by their electrolyte material and, as the name implies, the SOFC has a solid oxide, or… …   Wikipedia

  • luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …   Universalium

  • Nuclear reprocessing — technology was developed to chemically separate and recover fissionable plutonium from irradiated nuclear fuel.[1] Reprocessing serves multiple purposes, whose relative importance has changed over time. Originally reprocessing was used solely to… …   Wikipedia

  • Overpotential — This article is about a concept in electrochemical use in electrical engineering. For overvoltage, see Overpotential (disambiguation). Overpotential is an electrochemical term which refers to the potential (voltage) difference between a half… …   Wikipedia

  • ÉLECTROCHIMIE ET ÉLECTROLYSE — L’électrochimie décrit les relations mutuelles de la chimie et de l’électricité ou, mieux, des phénomènes couplés à des échanges d’énergie électrique. Ainsi, la presque totalité de la chimie, du fait de l’importance de la distribution et de la… …   Encyclopédie Universelle

  • Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …   Wikipedia

  • SUPERCONDUCTEURS IONIQUES — La matière peut prendre différents états (plasma, gaz, liquide, solide) qui se différencient par leur densité, leur capacité thermique massique et, en particulier, la valeur du coefficient de diffusion des espèces constituantes: atomes, ions,… …   Encyclopédie Universelle

  • Fusion power — The Sun is a natural fusion reactor. Fusion power is the power generated by nuclear fusion processes. In fusion reactions two light atomic nuclei fuse together to form a heavier nucleus (in contrast with fission power). In doing so they release a …   Wikipedia

  • Pile thermique — Une pile thermique est une batterie non rechargeable, à usage unique, totalement inerte avant son activation. Pile au lithium, elle produit une énergie à partir d’un couple électrochimique réactif. Son fonctionnement lui confère des atouts… …   Wikipédia en Français

  • Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.