«IONIUM»に関連する英語の本
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1
Operation Epsilon: The Farm Hall Transcripts
HAHN: In GERMANY they could prepare a few grammes of ionium per annum.
GERLACH: No, we prepared 60 kg. of pure ionium. HAHN: I reckon that that is
impossible. Is that supposed to have been done in GERMANY? GERLACH: No,
in ...
2
Radioactive Substances and Their Radiations
It, therefore, does not seem possible to isolate ionium chemically unless a
mineral is found which contains no thorium. The uraninite obtained from
Joachimsthal is relatively free from thorium, but even with this mineral the activity
of thorium- ...
3
The Earth Beneath the Sea History Sea
... are produced per year per milliliter. When this amount is precipitated in a 4000-
m deep ocean, 1.78 x 10~9 g of ionium settle per square meter per year. The
ionium content of the surface sample then directly gives the rate of sedimentation:
...
4
The Chemical News and Journal of Industrial Science: With ...
Thorium and Ionium. A secoso quite independent case of a difference in atomic
weight between isotopes has been established. it concerns the isotopea thorium
and ionium. and it is connected in an important way with the researches which, ...
5
Geological Survey Professional Paper
workers had found a large amount of radium activity in marine sediments (Joly,
1908). To explain this phenomenon, Pettersson in 1937 proposed that ionium (
Th230) was coprecipitated on ferric hydroxide from the oceans, giving rise to ...
6
Some physical constants for the Marshall Islands area
To explain this phenomenon, Pettersson in 1937 proposed that ionium (Th230)
was coprecipitated on ferric hydroxide from the oceans, giving rise to ionium-
supported radium on the ocean floor. Piggot and Urry (1939) a short time later
found ...
7
Geochronology, Dating, and Precambrian Time: The Beginning ...
Ionium-Thorium Dating The method of establishing the time of origin of marine
sediments according to the amount of ionium and thorium they contain is called
ionium-thorium dating. Because uranium compounds are soluble in seawater, ...
8
Nobel Lectures in Chemistry
ionium by weight in both preparations would be so high that the failure for it to
show any spectrum due to ionium would be of fundamental importance. The low
range of the a-rays from, ionium indicated a period for this element of the order of
...
9
Handbook of Nuclear Chemistry: Vol. 1: Basics of Nuclear ...
Ionium (i.e., 230Th) is a daughter of uranium-234 and produces radium-226 in
the uranium-238 radioactive decay series. Its half-life is 7.52 × 104 years and the
corresponding decay constant is 9.217 × 10−6 a−1. Differences in geochemical ...
Attila Vértes, Sándor Nagy, Zoltán Klencsár, 2010
10
Geological Survey Bulletin
radioelements are removed by sedimentation. With such data as are available for
the concentration of uranium and radium in ocean water, their rates of intlux, and
their rates of deposition, it is possible to estimate the concentration of ionium in ...
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Bell Media President Says Canadians Are 'Stealing' US Netflix Content
iONiUM writes: Today the Bell Media president claimed that Canadians are 'stealing' US Netflix, saying the practice is "stealing just like stealing ... «Military Technologies, 6月 15»
The lost elements: the periodic table's shadow side
Even the highly professional William Crookes who had discovered a real element, thallium, claimed victorium, monium, ionium and incognitum, ... «Royal Society of Chemistry, 3月 15»
Looking back at Mariner images of Mars
Although not described in connection with the foregoing series of seasonal changes, the Hellespontus, Mare Ionium, Mary Tyrrhenum also ... «The Planetary Society, 9月 13»
Expert hair care
The Booster Ionium helps to penetrate right into the core of the fibre, acting on the most sensitised zones and nourishing them. Weakened hair ... «Malaysia Star, 12月 11»
How Do You Find Programming Superstars?
by iONiUM (530420) writes: on Wednesday February 27, 2008 @06:06PM (#22579690) Homepage Journal. I'm right here. Share. «Slashdot, 2月 08»
