The navigational triangle either terrestrial or celestial, used in the solution of celestial observations.


Related Terms

PHOTOELECTRIC TURBIDIMETER

Device for measurement of solution turbidity by use of photocells to detect the loss of intensity of light beamed through the solution.

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.

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 .

KNUDSEN-LANGMUIR EQUATION

Relationship of molecular distillation rate to vapor saturation pressure, solution temperature, and molecular weight during evaporation and no-recycle condensation.

JEREMIASSEN CRYSTALLIZER

Device used to grow solid crystals in a supersaturated liquid solution and to separate them from it.

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.

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through a solution of silver nitrate in water, deposits silver at a rate of 0.001118 gram per second; it has been superseded by the ampere as a unit of current, and is equal to approximately 0.999850 ampere.

ACIDIC

The reaction of a substance with water resulting in an increase in concentration of hydrogen ions in solution (see acid).

CHEMICAL CLEANING

Using a solvent solution to remove mill scale and corrosion products.

SUPERSATURATED SOLUTION

A solution of a salt or mineral with a concentration beyond the normal saturation point.

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