Residual entropy — is physically significant entropy, which is present even after a substance is cooled arbitrarily close to absolute zero. That is, if a material is reduced to its ground state, residual entropy occurs if the material can exist in multiple… … Wikipedia
Oxygen isotope ratio cycle — Oxygen isotope ratio cycles are cyclical variations in the ratio of the abundance of oxygen with an atomic mass of 18 to the abundance of oxygen with an atomic mass of 16 present in some substances, such as polar ice or calcite in ocean core… … Wikipedia
Oxygen-free copper — The CuOFP capsule used as overpack for spent nuclear fuel disposal in the KBS 3 concept (Finnish version) Oxygen free copper (OFC) or Oxygen free high thermal conductivity (OFHC) copper generally refers to a group of wrought high conductivity… … Wikipedia
Hemoglobin-based oxygen carriers — At the beginning of 20th century excellent work of Landsteiner and co authors combine with significant progress in fields of heart and circulation physiology initiated development of modern transfusion medicine allowing that blood transfusion… … Wikipedia
Haemoglobin-based oxygen carriers — Hemoglobin based oxygen carriers are one of two main types of oxygen carrying blood substitutes in development, the other one being perfluorocarbon emulsions. As of June 2008 there are no haemoglobin based oxygen carriers or perfluorocarbon… … Wikipedia
Cryogenic oxygen plant — A cryogenic oxygen plant is an industrial facility that creates molecular oxygen at relatively high purity. Oxygen is the most common element in the world and the second largest industrial gas. The purity of oxygen can only be generated by… … Wikipedia
Reactive oxygen species — (ROS) are ions or very small molecules that include oxygen ions, free radicals, and peroxides, both inorganic and organic. They are highly reactive due to the presence of unpaired valence shell electrons.ROS form as a natural byproduct of the… … Wikipedia
Nitrous oxide and oxygen — Entonox CD cylinder and giving set Gas and air redirects here, for the 1923 film, see Gas and Air (film) A mix of nitrous oxide 50% and oxygen 50% is a medical anaesthesia gas, commonly known as Entonox (a registered trademark of BOC) or Nitronox … Wikipedia
atmosphere, evolution of — Introduction the development of Earth s (Earth) atmosphere across geologic time. The process by which the current atmosphere arose from earlier conditions is complex; however, evidence related to the evolution of Earth s atmosphere, though… … Universalium
Artificial respiration — Intervention ICD 9 CM 93.93 MeSH … Wikipedia
Flexplay — Infobox media name = Flexplay caption = type = optical disc encoding = capacity = 4.7 GB (single layer), 8.5 GB (dual layer) read = write = standard = owner = use = Rental Videos extended from = extended to = Flexplay is a trademark for a DVD… … Wikipedia
