significance for river dredging,
hydrological forecasting,
flood
prevention, irrigation,
and the construction of reservoirs and
hydroelectric power stations.
(3)
Nuclear balance: This is a non-contact measuring technique
based on the principle that radiation weakens in accordance
the
for
thickness and quality of the absorbing body.
continuously measuring the flow of materials
belts,
flat board
with
It can be used
conveyor
and
chain
conveyors
on
helical
conveyors,
conveyors.
4.
Neutron Water Content Measurer
They are
based
on
the
principle
that
fast
neutrons
measured
colliding with hydrogen atoms in water contained in the
materials will lose energy and become hot neutrons and then the
proportion
of hot neutrons to
water in a given
water
content
can be measured. It can be used in the steel industry to measure
It can measure the of water in sintered material. amount
the
water
content of sand or the water content of soil for building
purposes. There are currently two types of neutron water content
measurers, the inserted type and the surface type.
Non-destructive flaw detection and examination
5.
(1)
X-ray flaw detector: This is well known.
(2)
Gamma flaw
detector: In addition to the cobalt-60 and
cesium-137 flaw
detectors
there is also an iridium-192
flaw
detector. They are suitable for non-destructive flaw detection in
the aerospace industry, metallurgy, ship building, petrochemicals,
pressurized containers and navigation.
(3)
Accelerators: Flaw detection of large pieces of equipment,
5