| 释义 |
Keene|kiːn|
[Name of Richard Wynn Keene, who patented the plaster in England in 1838.]
Keene's cement: a plaster which sets to a very hard white finish and consists of gypsum that contains added alum (or another salt) and has been thoroughly calcined at a high temperature.
1869J. Rust Brit. Pat. 621 2, I would prepare a slab of the required size in cement, by preference Keene's cement. 1917E. A. Doncaster in G. Martin Industr. & Manuf. Chem.: Inorg. II. lix. 117 Keene's cement is now the general name for a number of different plasters prepared by various manufacturers, the original patent having expired. 1947J. C. Rich Materials & Methods Sculpture iv. 60 Dry, powdered mineral colors can be added to Keene's cement, which is occasionally used sculpturally as a casting material. |