Archive for the 'K-Kaolin' Category

Jan-6th-2009

Keeper

A bar of soft iron used to connect the opposite poles of a horseshoe magnet or the opposite poles of two bar magnets placed side by side. It is designed to prevent loss of magnetism. The armature of a horseshoe magnet is generally used as its keeper. For bar magnets a keeper is used for [...]

Jan-6th-2009

K. D. C.

Abbreviation for Kathodic Duration Contraction, q. v.

Jan-6th-2009

K. C. C.

Abbreviation for Kathodic Closure Contraction, q. v.

Jan-6th-2009

Kathodic Duration Contraction

A term in electro-therapeutics; the contraction near where the kathode of an active circuit is applied to the body for a period of time.

Jan-6th-2009

Kathodic Closure Contraction

A term in electro-therapeutics; the contractions near where the kathode of an active circuit is applied to the body, which are observed at the instant when the circuit is closed.

Jan-6th-2009

Kathode

The terminal of an electric circuit whence an electrolyzing current passes from a solution. It is the terminal connected to the zinc plate of a primary battery.

Jan-6th-2009

Kathelectrotonus

A term used in medical electricity or electro-therapeutics to indicate the increased functional activity induced in a nerve by the proximity of the kathode of an active circuit which is completed through the nerve. The converse of anelectrotonus.

Jan-6th-2009

Kapp Line of Force

A line of force proposed by Kapp. It is equal to 6,000 C. G. S. lines of force, and the unit of area is the square inch. Unfortunately it has been adopted by many manufacturers, but its use should be discouraged, as it is a departure from the uniform system of units. One Kapp line [...]

Jan-6th-2009

Kaolin

A product of decomposition of feldspar, consisting approximately of silica, 45, alumina, 40, water, 15. It was used in electric candles of the Jablochkoff type as a constituent of the insulating layer or colombin. Later it was abandoned for another substance, as it was found that it melted and acted as a conductor.

Jan-6th-2009

K

The symbol for electrostatic capacity.