In deuterated acetone, the chemical's normal hydrogen atoms have been replaced with deuterium, a hydrogen isotope that is heavier than ordinary hydrogen and is capable fusion reactions.
12.
In acetonitrile solution that is 0.1 M in NBu 4 PF 6, the Fc + / Fc couple is + 0.641 V with respect to the normal hydrogen electrode.
13.
The team calculated that, assuming antihydrogen behaves like normal hydrogen, roughly half the antihydrogen atoms would be lost during the resonant frequency exposure, as compared to the no-laser case.
14.
The results were in good agreement with predictions based on normal hydrogen and can be " interpreted as a test of CPT symmetry at a precision of 200 ppt ."
15.
To measure temperature change, Barlow looked at the ratio of deuterium ( a heavy isotope of hydrogen ) to normal hydrogen in sections of the ice core covering the last 700 years.
16.
The ratio of deuterium to normal hydrogen was found to vary from compound to compound, which astronomers believe suggests that cometary ices were formed in interstellar clouds, rather than in the solar nebula.
17.
H 2 O . Chemically, there are differences in bond energy and length for compounds of heavy hydrogen isotopes compared to normal hydrogen, which are larger than the isotopic differences in any other element.
18.
The test apparatus cost a pittance and centered on palladium rods in a jar of heavy water, in which normal hydrogen is replaced by deuterium, an isotope of hydrogen that is ubiquitous in sea water.
19.
If the antihydrogen doesn't behave the same as normal hydrogen " the textbooks would have to be rewritten, " said Hangst, who is a physicist at the University of Aarhus in Denmark, along with his CERN work.
20.
Briefly, replacing normal hydrogen ( protons ) by deuterium within a molecule causes the molecular vibrational frequency of X-H ( for example C-H, N-H and O-H ) bonds to decrease, which leads to a decrease in vibrational zero-point energy.
