The use of computer-based tools to assist in solution of engineering problems.
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PHOTOELECTRIC TURBIDIMETER
Device for measurement of solution turbidity by use of photocells to detect the loss of intensity of light beamed through the solution.
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OPERATING LINE
In the graphical solution of equilibrium processes (such as distillation absorption extraction), the actual liquidvapor relationship of a key component, in contrast to a true equilibrium relationship.
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LAMBDA DISPATCH
The solution of the problem of finding the most economical use of generators to supply a given quantity of electric power, using the method of Lagrange multipliers, which are symbolized .
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KNUDSEN-LANGMUIR EQUATION
Relationship of molecular distillation rate to vapor saturation pressure, solution temperature, and molecular weight during evaporation and no-recycle condensation.
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JEREMIASSEN CRYSTALLIZER
Device used to grow solid crystals in a supersaturated liquid solution and to separate them from it.
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ION FRACTIONATION
Separation of cations or anions from an ionic solution by use of a membrane permeable to the desired ion; equipment includes electrodialyzers and ionfractionation stills.
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INTERNATIONAL AMPERE
The current that, when flowing through a solution of silver nitrate in water, deposits silver at a rate of 0.001118 gram per second; it has been superseded by the ampere as a unit of current, and is equal to approximately 0.999850 ampere.
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ACIDIC
The reaction of a substance with water resulting in an increase in concentration of hydrogen ions in solution (see acid).
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CHEMICAL CLEANING
Using a solvent solution to remove mill scale and corrosion products.
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SUPERSATURATED SOLUTION
A solution of a salt or mineral with a concentration beyond the normal saturation point.
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