Archive for the 'S-Safety Fuse' Category

Jan-8th-2009

Stripping

The removal of electroplating from an object. It may be effected in
several ways. An object whose plating is to be removed is placed in a
plating bath of the solution of the metal with which it is coated. It is
connected as the anode to the positive plate of the battery or
corresponding terminal of the generator. A [...]

Jan-8th-2009

Striking Solution

In silver-plating a bath composed of a weak solution of silver
cyanide-with a large proportion of free potassium cyanide. It is used
with a strong current and a large silver anode. This gives an
instantaneous deposition of metallic silver over the surface of the
article which goes to insure a perfect coating in the silver bath
proper. After a few [...]

Jan-8th-2009

Striking Distance

The distance that separates two conductors charged with electricity of
different potential, when a spark starts between them.

Jan-8th-2009

Striae, Electric

In Geissler tubes the light produced by the electric discharge is filled
with striae, bright bands alternating with dark spaces; these may be
termed electric striae.

Jan-8th-2009

Stress, Electrostatic

The stress produced upon substances in an electrostatic field of force;
the exact analogue of electro-magnetic stress, and affecting transparent
substances in the same general way.

Jan-8th-2009

Stress, Electro-magnetic

The stress produced upon transparent substances in an electro-magnetic
field of force. It is shown in the modified optical properties of glass
and similar substances placed between the poles of a strong
electro-magnet.

Jan-8th-2009

Stress, Dielectric

The condition of a dielectric when maintaining a charge; its two
extremities are in opposite states of polarity, or are under permanent
potential difference. As the two opposite polarities tend to unite a
condition of stress is implied in the medium which separates them.

Jan-8th-2009

Stress

Force exercised upon a solid tending to distort it, or to produce a
strain.

Jan-8th-2009

Streamlets, Current

A conception bearing the same relation to an electric current that lines
of force do to a field of force; elementary currents. If evenly
distributed the current is of uniform density; if unevenly distributed,
as in alternating currents, the current density varies in different
parts of the cross section of the conductor. This evenness or unevenness
may be referred to [...]

Jan-8th-2009

Stray Power

The proportion of the energy wasted in driving a dynamo, lost through
friction and other hurtful resistances.

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