thick cathode

  • 21Corrosion — v · d · e Materials failure modes Buckling · …

    Wikipedia

  • 22X-ray tube — An X ray tube is a vacuum tube that produces X rays. They are used in X ray machines. X rays are part of the electromagnetic spectrum, an ionizing radiation with wavelengths shorter than ultraviolet light. X ray tubes evolved from experimental… …

    Wikipedia

  • 23Solid 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

  • 24Neon sign — …

    Wikipedia

  • 25Philipp Lenard — Infobox Scientist name = Philipp Lenard image width = 200px caption = Philipp Lenard in 1900 birth date = birth date|1862|6|7|mf=y birth place = Bratislava, Austria Hungary death date = death date and age|1947|5|20|1862|6|7 death place =… …

    Wikipedia

  • 26Neutron generator — Neutron generators are neutron source devices which contain compact linear accelerators and that produce neutrons by fusing isotopes of hydrogen together. The fusion reactions take place in these devices by accelerating either deuterium, tritium …

    Wikipedia

  • 27Microbial 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… …

    Wikipedia

  • 28Electroplating — is the process of using electrical current to reduce cations of a desired material from a solution and coat a conductive object with a thin layer of the material, such as a metal. Electroplating is primarily used for depositing a layer of… …

    Wikipedia

  • 29chemical industry — Introduction       complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives.       Although the chemical industry may be described simply as the industry that uses chemistry and… …

    Universalium

  • 30Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …

    Wikipedia