与 «ACTINOURANIUM»相关的英语书籍
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actinouranium的用法。与
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1
Report of the Committee on the Measurement of Geologic Time
Wilkins, T. R. and Crawford, D. R. A cloud chamber study of the alpha-rays of
actinouranium. Phya. Rev., 54, 316, 19 £8. Abstract of paper. Recent work
confirmed. Mean rai.ge of AcU nearer UII than UI , about 2.99 cm. in air at 15° C.
More ...
National Research Council (U.S.). Committee on the Measurement of Geologic Time, Alfred Church Lane, 1939
2
A Glossary of Terms in Nuclear Science and Technology
... Em21', a member of the actinium series. (See emanation) ' actinouranium, Acll
A common name for 8.8 x 10*y U2", the natural parent of the actinium series. (
See uranium-235, if") actinouranium series (See actinium series) active deposit 1
.
National Research Council (U.S.). Conference on Glossary of Terms in Nuclear Science and Technology, 1957
3
Some physical constants for the Marshall Islands area
Actinouranium series U235 (7.1 X 108 yr), Pa231 (34,000 yr), Ac227 22 yr) 3.
Thorium series Th232 (1.4X1010yr), Ra228 (6.7 yr), Th228 (1.9 yr). In the
foregoing listing the figures in parentheses are the half -lives of the nuclides (
Friedlander ...
4
Elsevier's Dictionary of Acronyms, Initialisms, ...
(abbr.) Actual Value. Business; Commerce; Finance. ACTWARN a_ctivation wing
. avertissement dlalctivation. AcU Actinouranium. Actinouranium is now called:
uranium-235. Nuclear Physics. ACU air(craft) control unit. 1a. unitGcontrGeur des
...
Fioretta. Benedetto Mattia, 2003
5
The Art of Dramatic Writing: Its Basis in the Creative ...
prize winner, Arthur H. Compton, declared that actinouranium, if completely
converted into energy, would yield two hundred and thirty-five billion volts per
atom. Actinouranium breaks up into two gigantic atomic bullets of one hundred
million ...
6
Environmental Toxicology
Natural sources involve cosmic radiation and radioactive elements produced by
three disintegration series originating from 238U, 232Th, and, to a lesser extent,
235U (actinouranium, also known as actinium) (Figure 13.1). Uranium is ...
Sigmund F. Zakrzewski Professor Emeritus in the Department of Pharmacology State University of New York at Buffalo, 2002
7
Geological Survey Professional Paper
Actinouranium series U235 (7.1X108yr), Pa231 (34,000 yr), Ac227 22 yr) 3.
Thorium series Th232 (1.4X10,0yr), Ra228 (6.7 yr), Th228 (1.9 yr). In the
foregoing listing the figures in parentheses are the half -lives of the nuclides (
Friedlander and ...
8
Radioactivity and atomic theory
3.9 Actinouranium Although it was evident that uranium Y was a progenitor of
actinium, it was not clear which uranium was the parent of uranium Y (xv, 199).
Yet a third isotope 'actinouranium' was proposed (xv, 199). With an atomic weight
of ...
Frederick Soddy, Thaddeus J. Trenn, Chemical Society (Great Britain), 1975
9
Report of the Committee on the Measurement of Geological Time
The upper limit of the cosmic (astrophysical) age of the earth cannot be greater
than the time of the existence of the most rapidly disintegrating actinouranium (
AcU - 235), the half-life of which is 700 x 10° years. According to our present ...
National Research Council (U.S.) Committee on the Measurement of Geologic Time, 1953
"Dear Dr. Lane: _ "You will be interested in our progress on actinouranium. When
you were here.I think that I showed you the curves that Crawford and I had
obtained for the uranium alpha—rays which indicated, we thought, a residuum
due to ...
National Research Council (U.S.) Committee on the Measurement of Geologic Time, 1938
