precipitated silica

См. также в других словарях:

• Silica — The chief component of sand and a substance responsible for lung disease and cancer. Crystalline silica of respirable size is primarily quartz dust occurring in industrial and occupational settings in the form of fine, breathable particles.… …   Medical dictionary

• Colloidal silica — Colloidal silicas are suspensions of fine amorphous, nonporous, and typically spherical silica particles in a liquid phase. Contents 1 Properties 2 Manufacture 3 Applications 4 See also …   Wikipedia

• hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… …   Universalium

• Dimona — Hebrew transcription(s)  – Hebrew דִּימוֹנָה  – ISO 259 Dimona Arabic  …   Wikipedia

• SA8 — SA8  торговая марка моющих средств для стирки, которые производятся компанией «Access Business Group LLC», входящей в состав группы компаний «Alticor», и продаются компаниями Amway, Amway Global. Содержание 1 Семейство продукции SA8 …   Википедия

• SA-8 — SA8 торговая марка моющих средств для стирки, которые производятся компанией «Access Business Group LLC», входящей в состав группы компаний «Amway» и «Quixtar» (англ. Quixtar). Стиральный порошок SA8, разработанный в 1960 году, является вторым… …   Википедия

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• mineral deposit — Introduction       aggregate of a mineral in an unusually high concentration.       About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… …   Universalium

• respiratory disease — ▪ human disease Introduction  any of the diseases and disorders that affect human respiration (respiration, human).  Diseases of the respiratory system may affect any of the structures and organs that have to do with breathing, including the… …   Universalium

• Sedimentary rock — Middle Triassic marginal marine sequence of siltstones (below) and limestones (above), Virgin Formation, southwestern Utah, USA Sedimentary rock are types of rock that are formed by the deposition of material at the Earth s surface and within… …   Wikipedia

• Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… …   Universalium