Role of radio isotopes in dating the past Erotic online

Detectors placed opposite the sources register the breaking of the beam and hence the level of coal in the hopper.Such level gauges are among the most common industrial uses of radioisotopes.Radiotracers are also used in the oil and gas industry to help determine the extent of oil fields.Radioactive materials are used to inspect metal parts and the integrity of welds across a range of industries.

For example, in the North Sea, fixed nucleonic gauges are sometimes deployed to determine conditions within separator vessels and to monitor residual oil content within separated gas streams.Radioisotopes have the supreme advantage that they can be taken to the site when an examination is required – and no power is needed.However, they cannot be simply turned off, and so must be properly shielded both when in use and at other times.For example, to inspect new oil or gas pipelines, special film is taped over the weld around the outside of the pipe.A machine called a 'pipe crawler' carries a shielded radioactive source down the inside of the pipe to the position of the weld.

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