Charge by a wharfinger for use of a wharf.


Related Terms

PN JUNCTION

The interface between two regions in a semiconductor crystal which have been treated so that one is a p-type semiconductor and the other is an n-type semiconductor; it contains a permanent dipole charge layer.

PLASTER SHOOTING

A surface blasting method used when no rock drill is necessary or one is not available; consists of placing a charge of gelignite, primed with safety fuse and detonator, in close contact with the rock or boulder and covering it completely with stiff damp clay.

MUDCAP

A quantity of wet mud, wet earth, or sand used to cover a charge of dynamite or other high explosive fired in contact with the surface of a rock in mud blasting.

MATCHMATCH

1. A charge of gunpowder put in a paper several inches long and used for igniting explosives. 2. A short flammable piece of wood, paper, or other material tipped with a combustible mixture that bursts into flame through friction.

MASTER MECHANIC

The supervisor, as at the mine, in charge of the maintenance and installation of equipment.

LOW-FREQUENCY INDUCTION FURNACE

An induction furnace in which current flow at the commercial power-line frequency is induced in the charge to be heated.

LOADING TRAY

A tray with a sliding bottom used to simultaneously load the plastic charge into the cavities of a multicavity mold.

LIQUID SEMICONDUCTOR

An amorphous material in solid or liquid state that possesses the properties of varying resistance induced by charge carrier injection.

INTEGRATING WATER SAMPLER

A water sampling device comprising a cylinder with a free piston whose movement is regulated by the evacuation of a charge of fresh water.

INJECTOR

1. An electrode through which charge carriers (holes or electrons) are forced to enter the high-field region in a spacistor. 2. An apparatus containing a nozzle in an actuating fluid which is accelerated and thus entrains a second fluid, so delivering the mixture against a pressure in excess of the actuating fluid. 3. A plug with a valved nozzle through which fuel is metered to the combustion chambers in dieselor full-injection engines. 4. A jet through which feedwater is injected into a boiler, or fuel is injected into a combustion chamber.

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