Примери за използване на These isotopes на Английски и техните преводи на Български
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How do these Isotopes differ?
When a rock is on the surface,it builds up these isotopes.
But these isotopes are still active.
You have detected these isotopes before?
These isotopes are formed in nuclear reactors.
I have developed a device that, on a very small scale,can produce these isotopes.
If a mineral forms in a cold environment, these isotopes clump together more.
These isotopes differ in the number of neutrons they have in their nuclei.
Therefore, scientists believe that the original proportions of these isotopes were the same throughout the solar system.
These isotopes are not used, however, for radiometric dating.
While devising their study,the researchers realized that these isotopes could help them solve the core-leaking question.
The abundance of these isotopes means that they must have been synthesised just before the formation of the Solar System.
Instead of requiring multi-million-dollar facilities I have developed a device that, on a very small scale,can produce these isotopes.
These isotopes originated in the only rocky core ever extracted from land underneath Greenland ice, drilled at the Greenland Ice Sheet(GIS) summit in 1993.
Less reassuring, however, is the fact that the researchers identified a few additional periods where production of these isotopes spiked without anything obvious going on in the magnetic field.
In fact, the radiation given off by these isotopes was the perfect type to promote chemical chain reactions, the sort that lead to the formation of amino acids, RNA and DNA.
Uranium enriched in uranium 235 or uranium 233' means uranium containing uranium 235 or uranium 233 orboth in an amount such that the abundance ratio of the sum of these isotopes to isotope 238 is greater than the ratio of isotope 235 to isotope 238 occurring in nature.
Eagle and his team looked at the presence of these isotopes in eggshells from 13 present-day bird species and nine reptiles, allowing them to identify a relationship with body temperature.
Ii The term“uranium enriched in the isotopes 235 or 233” means uranium containing the isotopes 235 or 233 orboth in an amount such that the abundance ratio of the sum of these isotopes to the isotope 238 is greater than the ratio of the isotope 235 to the isotope 238 occurring in nature.
These isotopes form different bonds depending on the animal's temperature when teeth form, researcher Michael Griffiths, an associate professor in the Department of Environmental Science at William Paterson University in New Jersey.
Uranium enriched in the isotopes 235 or 233”(0) means uranium containing the isotopes 235 or 233, or both, in an amount such that the abundance ratio of the sum of these isotopes to the isotope 238 is more than the ratio of the isotope 235 to the isotope 238 occurring in nature(isotopic ratio 0,71 per cent).
These isotopes create different bonds that are influenced by body temperature when teeth begin to form, explained study co-author Michael Griffiths, an associate professor in the Department of Environmental Science at William Paterson University in New Jersey.
Ii The term“uranium enriched in the isotopes 235 or 233” means uranium containing the isotopes 235 or 233 orboth in an amount such that the abundance ratio of the sum of these isotopes to the isotope 238 is greater than the ratio of the isotope 235 to the isotope 238 occurring in nature.
In these isotopes, usually the half-life of interest in radiometric dating is the longest one in the chain, which is the rate-limiting factor in the ultimate transformation of the radioactive nuclide into its stable daughter.
The young investigator Cesar Negre studied the natural abundance of these isotopes in the seafloor sediments 2.5 km deep in the South Atlantic and achieved a PhD degree in the Environmental Science and Technology doctoral programme at ICTA.
These unstable isotopes are called radioisotopes.
The researchers also looked at isotopes within these sediments.
So these radical isotopes could be the key to the destruction of the abyss.
Alloys, dispersions(including cermets), ceramic products andmixtures containing these elements, isotopes or compounds; radioactive residues.