Sentences with phrase «from hydrogen isotopes»

They envision zero - carbon power plants that run on fuel made from hydrogen isotopes in seawater and produce less waste than today's nuclear power plants.

Not exact matches

Scientists can determine where an individual piece of meat comes from using a technique called isotope analysis, looking at the specific fingerprints of carbon, hydrogen, and nitrogen atoms to see where a cow lived.

Harold Urey, a chemist at Columbia University, speculated that an isotope lugging around an extra neutron would weigh enough to be distilled from normal hydrogen.

Hallis previously used hydrogen isotope ratios in volcanic basalt rocks to conclude that Earth's water may in fact have been part of the very dust cloud from which the planet first condensed.

«Rare isotopes will help us to understand how stars processed some of the hydrogen and helium gas from the Big Bang into elements that make up solid planets and life,» Wrede said.

The elements carbon and hydrogen both have different isotopes, or variants, present in all living things, and the exact mix of isotopes varies by region; for example, the mixture found in central Illinois is different from that found in Texas.

Marra and his colleagues first determined the hydrogen isotope profile of feathers from museum specimens collected from Labrador and Newfoundland, Canada.

«We identified the different isotopes of hydrogen and oxygen in the water, which allowed us to work out where the water came from.

Specifically, they measured hydrogen and its isotope, deuterium (hydrogen with an extra neutron in its nucleus) with ion microprobes, which use a focused beam of ions to sputter ions from a small rock sample into a mass spectrometer.

The study by Louie Yang (Dept. Entomology at UC - Davis) used stable hydrogen isotope analysis to test tissue samples from 114 butterflies at 4 overwintering locations.

They measure the hydrogen and oxygen isotopes to infer air temperatures at the time the snow fell, and the dust particles give a nice indication of the dusty periods (much of the dust was kicked up far away, in the Gobi Desert, rather than from sources closer to Greenland).

Who knows, maybe some people read the Wegman Report, look at Table 1, think it actually came as is from Bradley, and confidently write of 1) «ions and isotopes of oxygen and hydrogen», 2) «speleothrems» and 3) «phonology».

1) M&W used the first, not realizing that those aren't the exact words from Bradley, which is «major ions and isotopes of hydrogen and oxygen», which is parsed (major ions) and (isotopes of H and O), because «major ions» in thsi context has a specific meaning and it has nothing to do with H&O.

For fusion, the fuel is two isotopes of hydrogen, deuterium and tritium, the first of which can be extracted from seawater and the second from lithium, whose resources are large and growing.