zeolite process
61Rock cycle — rocks do not remain in equilibrium and are forced to change as they encounter new environments. The rock cycle is an illustration that explains how the 3 rock types are related to each other and how processes change from one type to another over… …
62Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …
63Methanol — Strukturformel Allgemeines Name Methanol Andere Namen …
64amine — aminic /euh mee nik, euh min ik/, adj. aminity /euh min i tee/, n. /euh meen , am in/, n. Chem. any of a class of compounds derived from ammonia by replacement of one or more hydrogen atoms with organic groups. [1860 65; AM(MONIUM) + INE2] * * *… …
65Accident de l'usine d'aluminium d'Ajka — trajet de la coulée de boue après la rupture de digue du 4 octobre 2010 et le département sur la carte de Hongrie …
66Alkene — This article is about the chemical compound. For the material, see Olefin fiber. Not to be confused with Alkane or Alkyne. A 3D model of ethylene, the simplest alkene. In organic chemistry, an alkene, olefin, or olefine is an unsaturated ch …
67Gas mask — A gas mask is a mask worn over the face to protect the wearer from inhaling airborne pollutants and toxic materials. The mask forms a sealed cover over the nose and mouth, but may also cover the eyes and other vulnerable soft tissues of the face …
68Cumene — Not to be confused with cumin or cumulene. Cumene …
69Rock microstructure — includes the texture of a rock and the small scale rock structures. The words texture and microstructure are interchangeable, with the latter preferred in modern geological literature. However, texture is still acceptable because it is a useful… …
70Sedimentary exhalative deposits — (abbreviated as SEDEX from SEDimentary EXhalative) are ore deposits which are interpreted to have been formed by release of ore bearing hydrothermal fluids into a water reservoir (usually the ocean), resulting in the precipitation of stratiform… …
