 F. as practicable, and observed at intervals for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five hours. 23. These pats, to satisfactorily pass the requirements,...  Proceedings of the Annual Meeting - Sayfa 281American Society for Engineering Education, Society for the Promotion of Engineering Education (U.S.) tarafından - 1906Tam görünüm - Bu kitap hakkında
 | George William Tillson - 1912 - 700 sayfa
...A pat is then kept in air at normal temperature and observed at intervals for at least 28 days. (6) Another pat is kept in water maintained as near 70°...for at least 28 days (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for 5... | |
 | Morton Owen Withey - 1912 - 94 sayfa
...A pat is then kept in air at normal temperature and observed at intervals for at least 28 days. (6) Another pat is kept in water maintained as near 70°...for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | Association for Standardizing Paving Specifications - 1912 - 180 sayfa
...intervals for at least 28 days. (b) Another pat is kept in water maintained as near 70 degrees Fahr. as practicable, and observed at intervals for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | Association for Standardizing Paving Specifications - 1912 - 180 sayfa
...intervals for at least 28 days. (£>) Another pat is kept in water maintained as near 70 degrees Fahr. as practicable, and observed at intervals for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | Henry Kreitzer Benson - 1913 - 460 sayfa
...tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours. (a) A pat is then kept in air at normal temperature and observed at...for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | William Kendrick Hatt, Herbert Henry Scofield - 1913 - 156 sayfa
...tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours. (a) A pat is then kept in air at normal temperature and observed at...for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | 1913 - 420 sayfa
...tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours. (a) A pat is then kept in air at normal temperature and observed at...for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
 | Association for Standardizing Paving Specifications - 1913 - 202 sayfa
...intervals for at least 28 days. (b) Another pat is kept in water maintained as near 70 degrees Fahr. as practicable, and observed at intervals for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam above boiling water, in a loosely closed vessel for five... | |
 | Association for Standardizing Paving Specifications - 1913 - 202 sayfa
...intervals for at least 28 days. (b) Another pat is kept in water maintained as near 70 degrees Fahr. as practicable, and observed at intervals for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam above boiling water, in a loosely closed vessel for five... | |
 | Henry Turner Eddy, Claude Allen Porter Turner - 1914 - 468 sayfa
...A pat is then kept in air at normal temperature and observed at intervals for at least 28 days. (6) Another pat is kept in water maintained as near 70°...for at least 28 days. (c) A third pat is exposed in any convenient way in an atmosphere of steam, above boiling water, in a loosely closed vessel for five... | |
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