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Scoria
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- Вулканический шлак
- (a) [soils] vesicular, rock fragments > 2 mm in at least one dimension and a specific gravity > 2.0, or a cindery crust of such material on the surface of andesitic or basaltic lava; the vesicular nature is due to the escape of volcanic gases before solidification; it is usually heavier, darker, and more crystalline than pumice.
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Вулканический шлак, русский
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Вулканический, русский
Solidification, английский
Crystalline, английский
- A substance or rock composed largely or wholly of mineral crystals.
- Transparent, clear, or pure.
- Made up of crystals. the term crystalline applies to sections of all chemical fibers, which consists of alternate crystalline and amorphous (noncrystalline) regions. these regions are influenced by manufacturing conditions and to some extent can be controlled. the degree of crystallinity influences the physical properties of fibers.
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Scow -, английский
Самоотвальный земснаряд
Sconcheon, английский
Внутренняя часть бокового откоса проёма в стене
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