A mixture of dry air and water vapor, varying from 0.1% to 3% by volume
(usually over 1% in mines). Hartman, 2
A term specif. intended to differentiate between the arcs that are
commonly observed and the low-pressure skittering arcs.
The quantity of heat required to raise 1 g of water from 14.5 degrees C to
15.5 degrees C. Newton, 1
When used in connection with galvanic corrosion, it may refer to corrosion
of the anodic metal when there is no contact with the dissimilar metal.
Schlain
The depth of water in an open conduit that corresponds to uniform velocity
for the given flow. It is a hypothetical depth under conditions of steady
nonuniform flow, the depth for which the surface and bed are parallel;
also termed the neutral depth. Seelye, 1
See:regional dip
See:dip slip
A fault in which the hanging wall appears to have moved downward relative
to the footwall. The angle of the fault is usually 45 degrees to 90
degrees . There is dip separation, but there may or may not be dip slip.
CF:reverse fault; thrust fault. Syn:gravity fault
In magnetic prospecting, the smoothed value of a magnetic field component
as derived from a large-scale survey, worldwide or of continental scope.
The normal field of the Earth varies slowly with time, and maps of it are
as of a certain date. AGI
See:symmetrical fold
A haul whose cost is included in the cost of excavation, so that no
separate charge is made for it. Nichols, 1
Steel that has been given a normalizing heat treatment intended to bring
all of a lot of samples under consideration into the same condition.
A conveyor that moves material through a normalizing furnace under heat.
Said of a soil deposit that has never been subjected to an effective
pressure greater than the existing overburden pressure and one that is
also completely consolidated by the existing overburden. ASCE
See:field capacity
Usually equal to the weight of a column of mercury 760 mm in height.
Approx. 14.7 psi (101.4 kPa). Syn:standard pressure
Webster 3rd; Fay
As applied to metal prices, it is the average over a long term--sometimes
a period greater than the life of a mine. See also:basic price
In a fault, the horizontal component of the shift, measured perpendicular
to the strike of the fault. See also:offset; shift. AGI
A solution made by dissolving 1 g-equivalent weight of a substance in
sufficient distilled water to make 1 L of solution. See also:normal
CTD
The stress component at right angles to a given plane. See also:stress
ASCE