silicic+acid
81Tetrabasic — Tet ra*bas ic, a. [Tetra + basic.] (Chem.) Capable of neutralizing four molecules of a monacid base; having four hydrogen atoms capable of replacement by bases; quadribasic; said of certain acids; thus, normal silicic acid, {Si(OH)4}, is a… …
82Felsic — is a term used in geology to refer to silicate minerals, magma, and rocks which are enriched in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium. The term combines the words feldspar and silica. Felsic minerals are… …
83Reinforced concrete — is concrete in which reinforcement bars ( rebars ), reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867.[1] The term… …
84Primary production — For other uses, see Primary production (economics). Global oceanic and terrestrial photoautotroph abundance, from September 1997 to August 2000. As an estimate of autotroph biomass, it is only a rough indicator of primary production potential,… …
85Chrysotile — Not to be confused with Chrysolite. Chrysotile Chrysotile serpentine from the Salt River area, Arizona General Category …
86Jean Charles Galissard de Marignac — Infobox Scientist name = Jean Charles Galissard de Marignac box width = image width =150px caption = Jean Charles Galissard de Marignac birth date = April 24, 1817 birth place = Geneva death date = April 15, 1894 death place = residence =… …
87Sodium silicoaluminate — Sodium aluminosilicate, also referred to as sodium silicoaluminate, is a chemical with the formula AlNa12SiO5 and CAS 1344 00 9. It is an aluminosilicate compound with sodium cations, taking the form of a white crystalline solid.In minerals, as a …
88Oligotroph — An oligotroph is an organism that can live in an environment that offers very low levels of nutrients. They may be contrasted with copiotrophs, which prefer nutritionally rich environments. Oligotrophs are characterized by slow growth, low rates… …
89Regla del enlace doble — Saltar a navegación, búsqueda La regla del enlace doble expresa que los elementos químicos con número cuántico principal mayor a 2 (esto es: elementos del periodo 3 en adelante) no forman enlaces múltiples (enlace doble y enlace triple) con ellos …
90Chaetoceros pseudocurvisetus — Scientific classification Domain: Eukaryota Kingdom: Chromalveolata Phylum: Heter …
