Volatile+alkali
61Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
62Sal [1] — Sal (lat.), Salz; S. acetosellae, Sauerkleesalz, oxalsaures Kali; S. Alembrothi, S. sapientiae, Ammoniumquecksilberchlorid; S. alkali volatile, Ammoniak; S. alkali volatile siccum, kohlensaures Ammoniak; S. amarum, S. anglicum, Bittersalz,… …
63Sodium — This article is about the chemical element. For the PlayStation Home game, see Sodium (PlayStation Home). neon ← sodium → magnesium Li ↑ Na ↓ K …
64Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
65Protection of exposed concrete — is necessary to prolong its service life. A 120 year design life for concrete infrastructure has become increasingly common. Without early preventive maintenance this design life target may be optimistic. The design service life of reinforced… …
66Kohlensaure Salze — (Carbonate), Verbindungen von Kohlensäure mit Basen; sie bilden sich theils durch directe Vereinigung des Oxyds mit Kohlensäure, theils durch doppelte Wahlverwandtschaft, viele kommen fertig gebildet in der Natur vor. Die Alkalien u. alkalischen… …
67Protactinium — thorium ← protactinium → uranium Pr ↑ Pa ↓ …
68Chemical element — The periodic table of the chemical elements A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus.[1] Familiar examples of …
69oxide — oxidic /ok sid ik/, adj. /ok suyd, sid/, n. Chem. a compound in which oxygen is bonded to one or more electropositive atoms. Also, oxid /ok sid/. [1780 90; < F (now oxyde), b. oxygène and acide. See OXYGEN, ACID] * * * I Any of a large and… …
70Moon rock — Olivine basalt collected by Apollo 15. Moon rock describes rock that formed on the Earth s moon. The term is also loosely applied to other lunar materials collected during the course of human exploration of the Moon. The rocks collect …
