48 MeV of energy. The known isotopes of silicon range in mass number from 22 to 44. The most common decay mode of the isotopes with mass numbers lower than...

ignite in air when finely divided. All known thorium isotopes are unstable. The most stable isotope, 232Th, has a half-life of 14.05 billion years, or about...

known isotopes of plutonium range in mass number from 228 to 247. The main decay modes of isotopes with mass numbers lower than the most stable isotope, 244Pu...

Because of the specificity of its uptake by the human body, radioactive isotopes of iodine can also be used to treat thyroid cancer. Iodine is also used...

later wrote, "seemed to be whether Fermi had found isotopes of transuranian elements, or isotopes of the next-lower element, protactinium. At that time...

Ladinian-Carnian boundary show a marked change in the ratio of seawater osmium isotopes. The relative abundance of osmium-187 over osmium-188 declines strongly...

homeotherm with an endotherm-like thermophysiology as inferred by these isotopes meaning that most of its oxygen was accumulated by drinking water rather...

Other studies linked the lead (Pb) isotopes of OAE-2 to the Caribbean-Colombian and the Madagascar LIPs. An osmium isotope excursion coeval with OAE2 strongly...

years earlier. Strauss had expressed opposition to exporting radioactive isotopes to other nations, and Oppenheimer had called them "less important than...

concentrations of fissile isotopes in order to sustain a chain reaction. They are also capable of breeding fissile isotopes from fertile materials; a...

unstable isotopes of elements that undergo decay and thereby emit ionizing radiation, which is harmful to humans and the environment. Different isotopes emit...

Online. 19 (5): 71–78. Oliver Haslam (2020-01-07). "AURA Strap replaces your boring Apple Watch band with more health sensors". iMore. Retrieved 2024-06-27...

inferred on the basis of tooth morphology. Results obtained on the stable isotopes of cave bear bones also point to a largely vegetarian diet in having low...

Haplogroup E-Z827). Maternally, six individuals of the Taforalt remains bore the U6a haplogroup and one individual was of the M1b haplogroup, these Eurasian...

their driest period. Ice core records showing the ratio of two oxygen isotopes retrieved from the ice fields atop Africa's Mount Kilimanjaro, a proxy...

robust shoulders wielded stocky forelimbs, with three-fingered hands that bore an enlarged claw on the first digit. In many species, the upwards-projecting...

Greenland belongs to the Arctic province of the Circumboreal Region within the Boreal Kingdom. The island is sparsely populated in vegetation; plant life consists...

"Reconstruction of Phanerozoic climate using carbonate clumped isotopes and implications for the oxygen isotopic composition of seawater". Proceedings of the National...

Belemnite, "PDB") against which other isotope geochemistry samples are measured, for both carbon isotopes and oxygen isotopes. Some belemnoids (such as Belemnites...

level that will minimize initial and residual contamination. Radioactive isotopes chemically bonded to glass (sand) and/or resin beads may also be injected...

its fusion fuel. Natural lithium is a mixture of lithium-6 and lithium-7 isotopes (with 7.5% of the former). The enriched lithium used in Bravo was nominally...

1994. J C Bose National Fellowship 2011 S.M. Naqvi Gold Medal 2013 Ahmad bore memberships of prestigious societies and was a recipient of many prestigious...

in Belgium, the Ukraine and Russia: osteometry, ancient DNA and stable isotopes". Journal of Archaeological Science. 36 (2): 473–490. doi:10.1016/j.jas...

water consists mainly of the isotopes hydrogen-1 and oxygen-16, but there is also a small quantity of heavier isotopes oxygen-18, oxygen-17, and hydrogen-2...

crew aboard several ships observed a huge iceberg off Newfoundland, which bore two vessels, one upright and one on its beam ends. The ships were not examined...

occurrence on February 17, 7541. Jean-Noël Biraben, "Essai sur l'évolution du nombre des hommes", Population 34-1 (1979), pp. 13–25. Barry Cunliffe (2011)...

Biotite Bismuth Boehmite Bohr model Bohrium Boiling point Borane Borax Boric acid Bornite Boron Boron group Boron nitride Brass Bromine Brucite Buffer...

C.; Munnecke, A.; Bickert, T. (2000). "Development of facies and C/O-isotopes in transects through the Ludlow of Gotland: Evidence for global and local...

memorization of names and dates that characterized teaching and left the students bored. Traditionalists protested loudly it was a postmodern innovation that threatened...

molybdenum. 42 is the atomic mass of one of the naturally occurring stable isotopes of calcium. The angle rounded to whole degrees for which a rainbow appears...