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Abraxas (Biblical Greek: ἀβραξάς, romanized: abraxas, variant form ἀβράναξ romanized: abranax) is a word of mystic meaning in the system of the Gnostic Basilides, being there applied to the "Great Archon" (megas archōn), the princeps of the 365 spheres (ouranoi).
Glacially abraded rocks in western Norway near Jostedalsbreen gntration. Abrasion is a process of weathering that occurs when material being transported wears away at a surface over time, commonly occurring with ice and glaciers.
The following affect the rate of abrasion: [1] The amount of rock debris embedded in the basal surface of the ice. If there is no rock in the basal surface of the ice there will be no abrasion, but if there is too much rock in the basal surface of the ice the motion of the glacier will be affected, thus affecting abrasion rates.
A glacier (US: / ˈ ɡ l eɪ ʃ ər / GLAY-shər) or (UK: / ˈ ɡ l æ s i ə /) is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries.
Abraxis BioScience was a global biopharmaceutical, and nano-medicine company that developed treatments for critically ill patients. It had over 2000 employees worldwide in 2007. [3]
Surface roughness resulting from abrasion wear on a spindle. Abrasion is the process of scuffing, scratching, wearing down, marring, or rubbing away. It can be intentionally imposed in a controlled process using an abrasive.
Between March and June 2010 a series of volcanic events at Eyjafjallajökull in Iceland caused enormous disruption to air travel across Western Europe.. The disruptions started over an initial period of six days in April 2010.
Volcanic ash, as a hard substance, damages gas turbine compressors. It erodes by impacting compressor blades and vanes and removing material—and abrades by three body interactions between the rotating blade, ash particle, and compressor annulus. Changing the shapes of the blades and vanes and increasing gaps between blades and annuli both ...