twinned double bonds
1X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… …
2Diamond — This article is about the mineral. For the gemstone, see Diamond (gemstone). For other uses, including the shape ◊, see Diamond (disambiguation) …
3Farscape — For the Klaus Schulze/Lisa Gerrard album, see Farscape (album). Farscape Series logo Format Science Fiction Created …
4Dubai — This article is about the city and emirate. For other uses, see Dubai (disambiguation). Dubai إمارة دبيّ   Emirate   Emirate of Dubai …
