КНИГИ НА АНГЛИЙСКИЙ ЯЗЫКЕ, ИМЕЮЩЕЕ ОТНОШЕНИЕ К СЛОВУ «THORIUM SERIES»
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1
A Glossary of Terms in Nuclear Science and Technology
The sequence of decay in the thorium series as it occurs in nature is as indicated
on the following page. (See natural radioactivity) thoron, (Tn) The common name
for 54.5-s Em220, a member of the thorium series (See emanation) threshold ...
National Research Council (U.S.). Conference on Glossary of Terms in Nuclear Science and Technology, 1957
2
Decommissioning Health Physics: A Handbook for MARSSIM ...
Radionuclides in the thorium series include Ra-228, Ac—228, Th—228, Ra—224
, Rn—220, P0—216, Pb—212, Bi—212, Po—212, and Tl-208. Owing to one
radionuclide that branches (Bi-212) in the series, the total parent and progeny ...
3
Nuclear and Radiation Chemistry
(a) Thorium Series or 4n Series— We know that emission of an a-particle results
in a decrease of 4 units in the atomic weight and the emission of a (3-particle
makes no sensible change in the atomic weight. Since the atomic weight of
thorium ...
4
Isotope Tracers in Catchment Hydrology
Thomas F. Kraemer and David P. Genereux 20.1 Introduction Investigations of
uranium- and thorium-series radionuclides in hydrologic systems have been
ongoing for many years, and a wealth of information on the geochemistry of these
...
C. Kendall, J.J. McDonnell, 1999
5
Radioactive Substances and Their Radiations
It will be seen that the final or end products of both branches of the thorium series
should have an atomic weight 208 — a value about that of bismuth. A general
discussion of this question is given in Chapter XVIII. Thorium Series. Thorium ...
6
Handbook of Environmental Isotope Geochemistry
In addition to major isotopes of uranium and thorium, several long-lived isotopes
of uranium- and thorium—series (Chap. 2) have also been observed in rainwater
and airborne particles; for uranium, 235 U (half-life: 7.04 X 108 years), 234U ...
7
Handbook of Energy: Diagrams, Charts, and Tables
... series 4000 Bq/(kg Ra) Uranium series Thorium series Uranium series 6000–
20 000 Bq/(kg U) Thorium Series (4% by weight) 2–17 000 Bq/(m3 Rn) 0.4–54
000 Bq/(m3 Rn) 100–50 000 Bq/(kg210Pb/210Po) Fluorspar Copper Ranging
from ...
Cutler J. Cleveland, Christopher G. Morris, 2013
8
Radiation Physics for Medical Physicists
The atomic mass numbers A for each member of the thorium series are multiples
of 4 and, consequently, the thorium series is sometimes referred to as the 4n
series. The atomic mass numbers of members of the neptunium series follow the
...
9
Low-Level Environmental Radioactivity: Sources and Evaluation
These three classical sets, fully delineated by 1935, are usually called the
uranium series, actinium series, and thorium series. The fourth series, the
neptunium series, commences with 237Np, which has a relatively short half-life (
about 2 X ...
Richard Tykva, Jozef Sabol, 1995
10
A History of Chemistry
... both p particles and thorium C' and a particles and thorium C", the two possible
products finally producing the same stable product . . .l6 The thorium series is
one of the four radioactive series known, which all have almost the same look.
Bernadette Bensaude-Vincent, 1996
