карбонизация

карбонизация

1) Reaction between the products of Portland cement (soluble calcium hydroxides), water and carbon dioxide to produce insoluble calcium carbonate (efflorescence). 2) Soft white, chalky surface dusting of freshly placed, unhardened concrete caused by carbon dioxide from unvented heaters or gasoline powered equipment in an enclosed space.

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Κλάδος/Τομέας: Building materials
Category: Concrete
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кальций алюминат цементі

Building materials; Concrete

A combination of calcium carbonate and aluminates that have been thermally fused or sintered and ground to make cement.

кальций хлориді

Building materials; Concrete

An additive used in ready-mix to accelerate the curing, usually used during damp conditions.

капиллярлық

Building materials; Concrete

A wick-like action whereby a liquid will migrate vertically through material, in an upward direction; as oil in a lamp travels upward through the wick.

капилляр аралығы

Building materials; Concrete

In cement paste, any space not occupied by anhydrous cement or cement gel. Air bubbles, whether entrained or entrapped, are not considered as part of the cement paste.

қалыптау

Building materials; Concrete

Pouring a liquid material, or slurry, like concrete, into a mold or form whose physical form it will take on as it solidifies.

қылыптау негізі

Building materials; Concrete

A permanent, fixed form, in which permanent pre-cast concrete forms are produced. . . Cement, Portland (ASTM C150) A powdery substance made by burning, at a high temperature, a ...

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Κλάδος/Τομέας: Holiday Category: Religious holidays

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Ash Wednesday is observed by Christians. Marking the first day of Lent, which lasts until Easter (a period of 46 days), it is the day of repentance. ...