electro-, electr-, electri-
(Greek > Latin: electric, electricity; from amber, resembling amber, generated from amber which when rubbed vigorously [as by friction], produced the effect of static electricity)
Electronics in our lives consists of numerous tools
Equipment which we use everyday relies on electronics to function including calculators, car controls, cameras, washing machines, medical scanners, mobile telephones, radar systems, computers; as well as many other applications or devices which are listed in this unit.
2. The transport of electric charges, under electric potential differences, by charged particles (called ions) of atomic or larger sizes.
In metals, the electric charges are carried by the electrons of inappreciable mass.
In solutions, the electric charges are carried by electrolytic ions, each having a mass several thousand times as great as the electron.
The positive ions move to the cathode (negative electrode) and the negative ions to the anode (positive electrode).
2. The conductivity of a medium in which the transport of electric charges, under electric potential differences, is by particles of atomic or larger size.
2. The ionization of a solute in a solution
3. The breaking up of a neutral ionic compound into two or more oppositely charged ions, usually by the effect of dissolution or separation into component parts.
3. The separation of the molecule of an electrolyte into ions or its constituent atoms.
Used with a metal-bonded and diamond-impregnated grinding wheel.2. A combined grinding and machining operation in which the abrasive, cathodic grinding wheel is in contact with the anodic work piece beneath the surface of an electrolyte.
2. A current interrupter consisting of a cell with two electrodes that is immersed in an electrolyte such that the passage of current through the cell causes bubbles to form in the electrolyte, the bubbles breaking the circuit.
3. An interrupter that consists of two electrodes in an electrolytic solution.
Bubbles formed in the solution continually interrupt the passage of currents between the electrodes.
2. A process in which an aqueous caustic solution is used to extract mercaptans from refinery streams.
Mercaptans are groups of organosulfur compounds that are derivatives of hydrogen sulfide in the same way that alcohols are derivatives of water; have a characteristically disagreeable odor, and are found with other sulfur compounds in crude petroleum; an example is "methyl mercaptan".
Mercaptans are found in crude petroleum, and methyl mercaptan is produced as a decayed product of animal and vegetable matter.
They also are produced by certain plants and animals; for example, allyl mercaptan is released when onions are cut, butanethiol (butyl mercaptan) derivatives are present in skunk secretion, and mercaptans are among the sulfur compounds causing the disagreeable odor of flatus.
T-butyl mercaptan blends are often added to the odorless natural gas used for cooking and serve to warn of gas leaks.
Mercaptans are included in a wide variety of chemical reactions and their principal uses are in jet fuels, pharmaceuticals, and livestock-feed additives.
2. A laboratory simulation of steady-state fluid flow through porous reservoir media.
It depends on the mobility of ions in absorbent media (gelatin or blotter), or through a liquid (potentiometric technique which is a device used to make a precise determination of the electromotive force, or maximum output voltage, of a cell or generator by comparing it with a known voltage).
2. Removal of metal by electrolysis using the metal as an electrode in a suitable electrolyte.
3. A process for the removal of oxide scales from metal surfaces in preparation for electroplating.
The metal is made the cathode in an electrolytic cell containing strongly acidic (sometimes hot) solution that dissolves the oxide scales.
2. The difference in potential between an electrode and the immediately adjacent electrolyte, expressed in terms of some standard electrode difference.
2. Metal powder produced directly or indirectly by electrodeposition (to deposit a substance, especially a metal, on an electrode by using electrolysis).
2. An process that uses electricity to cause the decomposition of a chemical compound.