decay product

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decay product

An isotope formed during the decay of a radioactive material. Synonym: daughter product

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Radon ([sup.222]Rn) being a daughter product of Uranium-238 series further decays to [sup.218]Po (RaA, 3.05 min), [sup.214]Pb (RaB, 26.8 min), [.sup.214]Bi (RaC, 19.7 min), [sup.210]Pb (RaD, 22.3 years) etc.

Seasonal and spatial variation of radon and thoron concentration in the dwellings of Karbi Anglong district of Assam, India using SSNTDS

[9.] Bale W.F., Shapiro J.V.: Radiation dosage to lungs from radon and its daughter products. Proceedings of the International Conference on Peaceful Uses of Atomic Energy.

OCCURRENCE OF RADON IN THE POLISH UNDERGROUND TOURIST ROUTES/WYSTEPOWANIE RADONU W POLSKICH PODZIEMNYCH TRASACH TURYSTYCZNYCH

It was observed that the radionuclides identified and quantified from the gamma ray spectral (Apendix2) are decay daughter products of naturally occurring radioactive element [sup.238]U and [sup.232]Th.

Radiogenic components of the Nigerian tar sand deposits

If dry-cleaning fluids are found, then it is necessary to employ a combination of methods, including groundwater transport modeling and analysis for daughter products.

Environmental forensic techniques: can nature help settle claims?

Carol's Daughter products are made with the ethnic consumer in mind.

One size won't fit all: skin care products for people of color gain ground in a growing market

Within five months, degradation daughter products were detected, confirming on-going biodegradation.

New technology helps mother nature expedite cleanups

We can calculate the rock's age by measuring the relative amounts of remaining radioactive parent and its daughter products. And we can determine the "parent" rocks from which the specimen originally descended (or more accurately in this case, "ascended").

Conduits into Earth's inaccessible interior: hot plumes from deep within the planet bring up telltale chemical clues about the mantle

This phenomenon was later utilized by many scientists, including Otto Hahn and Lise Meitner, to separate daughter products in radioactive decay sequences, and hence identify new isotopes.

Harriet Brooks pitcher inducted into hall of fame. (New Briefs/Nouvelles en Bref)

"But given time and control over the process," he adds, "these daughter products do break down into environmentally benign substances, a process which can be monitored using a gas chromatograph." And, says Blake, "All oxidization processes have the potential to produce partial oxidization products.

Titanium Dioxide: Environmental White Knight?

He told a congressional committee: "I could make a case, if I wanted to be facetious, where the miners' health was improved by working underground and being subject to radon daughter products. There are some areas in this chart where it shows that the expected number of cases of lung cancer should be so many and the people working in the mines have zero cases."