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Kitaplar F. as practicable, and observed at intervals for at least 28 days. (c) A third pat... ile ilgili
" 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 281
American Society for Engineering Education, Society for the Promotion of Engineering Education (U.S.) tarafından - 1906
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General Specifications for Concrete Bridges

Wilbur Jay Watson - 1908 - 92 sayfa
...then kept in air in normal temperature and observed at intervals for at least 28 days. (b) Another is kept in water, maintained as near 70° F. as practicable,...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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Briefs on Portland Cement and Concrete

1908 - 216 sayfa
...temperature and observed at intervals. (b) Another put is kept in water maintained as near 70 degrees 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...
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Practical Cement Testing

W. Purves Taylor - 1908 - 348 sayfa
...observed at intervals for at least 28 days. (b) Another pat is kept in water maintained as near 70° 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...
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Practical Cement Testing

W. Purves Taylor - 1908 - 344 sayfa
...observed at intervals for at least 28 days. (b) A pat is kept in water maintained as near 70° Fahr. as practicable, and observed at intervals for at least 28 days. (c) The ball is placed in water at normal temperature, which is gradually (in about half an hour) raised...
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Cyclopedia of Civil Engineering: A General Reference Work on Surveying ...

Frederick Eugene Turneaure - 1909 - 538 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...
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Engineers' Pocketbook of Reinforced Concrete

Eyvind Lee Heindenreich - 1909 - 398 sayfa
...inch thick at the center, tapering to a thin edge, kept in moist air for 24 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...
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Cyclopedia of Architecture, Carpentry and Building: Masonry and concreting ...

1909 - 560 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...
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Law and Business of Engineering and Contracting: With Numerous Forms and ...

Charles Evan Fowler - 1909 - 180 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...
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A Treatise on Masonry Construction

Ira Osborn Baker - 1909 - 776 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...
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A Treatise on Masonry Construction

Ira Osborn Baker - 1909 - 778 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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