isotope carbonの例文

Those carbon isotopes are part of what we have both looked for. Chemoautotrophic origin of the stable carbon isotope 13 C was confirmed experimentally. This was determined by comparing the......

1 ) R . Burleigh and E . N . Arnold " Age and Dietary Differences of Recently Extinct Indian Ocean Tortoises ( Geochelone s . lat . ) Revealed by Carbon Isotope Analysis Proc.

ETM-2 is clearly recognized in sediment sequences by analyzing the stable carbon isotope composition of carbon-bearing material. These processes can be traced by the specific carbon isotop......

Craig studied geology and chemistry at the University of Chicago, where he earned a Ph . D . under Nobel Laureate Harold Urey with a thesis on carbon isotope geochemistry in 1951.

Different photosynthesis pathways can be identified by carbon isotope ratios, Evershed said in an interview. The games'doping control center will use a carbon isotope ratio mass spectromet......

Chemoautotrophic origin of the stable carbon isotope 13 C was confirmed experimentally. Stable carbon isotopes in carbon dioxide are utilized differentially by plants during photosynthesis......

Other markers which occur near the boundary include the first appearance of the conodont " Westergaardodina proligula " and the Steptoean positive carbon isotope excursion, a large positiv......

Maleic acid and fumaric acid do not spontaneously interconvert because rotation around a carbon carbon double bond is not energetically favourable.

Preform technology of carbon - carbon composites nozzle exit cone The present status of carbon - carbon composites Present status of numerical simulation of cvi process for carbon - carbon......

Carbon - felt reinforced carbon composites

"Experts reviewed the high-speed photography and there is no concern for RCC ( reinforced carbon carbon covering the wing's leading edges ) or tile damage ."

The burn up of the absorbing isotopes is another limiting lifespan factor.

The primary decay products of isotopes of protactinium lighter than ( and including ) 231 Pa are actinium isotopes and the primary decay products for the heavier isotopes of protactinium a......

The fallout-fine white flaky dust of calcinated Bikini Island coral, which absorbed highly radioactive fission products and neutron activated isotopes-fell on the ship for three hours.

Large enough Planetesimals were heated by the decay of aluminium isotope. The most common decay mode of the isotopes with mass numbers lower than the three stable isotopes is inverse beta ......

Some rat brains took up a much larger dose of the aluminum isotope, suggesting wide individual variations in susceptibility.

It is the americium isotope used in an americium smoke detector based on an ionization chamber. Initial experiments yielded four americium isotopes : 241 Am, 242 Am, 239 Am and 238 Am. The......

In the universe, argon-36 is by far the most common argon isotope, being the preferred argon isotope produced by stellar nucleosynthesis in supernovas. In the universe, argon-36 is by far ......

"I think the argon isotope ratio measurement is very convincing, " said Dr . Kenneth A . Farley, a professor of geochemistry at the California Institute of Technology. Meanwhile, gases at ......

When the age-dating researchers bombard potassium-40 with neutrons, they can create an artificial isotope of argon called argon-39. Twenty-eight artificial isotopes of zirconium have been ......

Before dying, he confesses to experimenting with an artificial radioactive isotope, " serranium ", which he had bombarded with alpha particles for 200 hours ( 8 days and 8 hours ).

Astatine-218 was the first astatine isotope discovered in nature. Lighter astatine isotopes have quite magic number corresponding to a filled neutron shell. Its alpha decay half-life is in......

USEC's hope is a new technology, called Atomic Vapor Laser Isotope Separation, allows enrichment with one-tenth as much electricity. If atomic vapor laser isotope separation works and USEC......

Band isotope effect

Nuclear reactors produce mostly, among the berkelium isotopes, berkelium-249 . During the storage and before the fuel disposal, most of it beta decays to californium-249 . The latter has a......