Ordinary water consists of two hydrogen atoms and one oxygen atom. Heavy water consists of two deuterium atoms and one oxygen atom. Deuterium is an isotope of hydrogen; both have the same number of protons, and therefore have the same atomic number....

The name applied to water containing DEUTERIUM rather than hydrogen in combination with...

Heavy water is water which contains a higher proportion than normal of the isotope deuterium, as deuterium oxide, D2O or ²H2O, or as deuterium protium oxide, HDO or ¹H²HO.[1] Its physical and chemical properties are somewhat similar to those of...

MOTIVATION A small proportion of water molecules contain the heavier isotopes of hydrogen and oxygen. There is a tendency for these heavier molecules of water to accumulate in leaves during transpiration. This has several interesting repercussions, including effects on the isotopic composition of...

When a neutrino observatory needed a 40-foot acrylic vessel to hold tons of D^sub 2^O, the builders had to do their homework. WHILE MOST PEOPLE are inclined to roll their eves upward at the mere mention of studying solar neutrinos, the Sudbury Neutrino...

Iran on Thursday said that a suspension of its nuclear activities would go against its rights as well as international regulations, the official Islamic Republic News Agency reported."Tehran considers suspension contradictory to its own rights, the Nuclear Nonproliferation Treaty and international regulations," the agency quoted...

The Bush administration took action Friday against two Iranians suspected of connections to Iran's nuclear program. The Treasury Department action, part of efforts to tighten the financial vise on Tehran, is against Mohammad Qannadi and Ali Hajinia Leilabadi. Any bank accounts or other financial assets...