A natural mineral (hydrous silicates) that has the capacity to absorb hardness, calcium, and magnesium ions from water.


Related Terms

PLANT FACTOR

The ratio of the average power load of an electric power plant to its rated capacity. Also known as capacity factor.

OVERFLOW CAPACITY

Capacity of a container measured to its top, or to the point of overflow.

NEUMANN-KOPP RULE

The rule that the heat capacity of 1 mole of a solid substance is approximately equal to the sum over the elements forming the substance of the heat capacity of a gram atom of the element times the number of atoms of the element in a molecule of the substance.

MOLECULAR HEAT

The heat capacity per mole of a substance.

MICROPYCNOMETER

A small-volume pycnometer with a capacity from 0.25 to 1.6 milliliters; weighing precision is 1 part in 10,000, or better.

MICROPIPET

1. A pipet with capacity of 0.5 milliliter or less, to measure small volumes of liquids with a high degree of accuracy; types include lambda, straight-bore, and Lang-Levy. 2. A fine-pointed pipette used for microinjection.

MAYER

A unit of heat capacity equal to the heat capacity of a substance whose temperature is raised 1 Celsius by 1 joule.

MAINTENANCE KIT

A collection of items not all having the same basic name, which are of a supplementary nature to a major component or equipment; the items within the collection may provide replacement parts and facilitate such functions as inspection, test repair, or preventive types of maintenance, for the specific purpose of restoring and improving the operational status of a component or equipment comparable to its original capacity and efficiency.

KIRCHHOFF'S EQUATIONS

Equations which state that the partial derivative of the change of enthalpy (or of internal energy) during a reaction, with respect to temperature, at constant pressure (or volume) equals the change in heat capacity at constant pressure (or volume).

INITIAL FREE SPACE

In interior ballistics, the portion of the effective chamber capacity not displaced by propellant.

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