 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray IV, Rowland Edmund Prothero (Baron Ernle) - 1850 - 608 Seiten
...surface of the ground, is seldom, lower than 48°, never much lower, and only for short periods : * When water is heated from below, the portion first...the surface, is in turn displaced. Constant motion ia kept up, and a constant approximation to an equal temperature in the whole body. The application... | |
 | William Gifford, Sir John Taylor Coleridge, John Gibson Lockhart, Whitwell Elwin, William Macpherson, William Smith, Sir John Murray IV, Rowland Edmund Prothero (Baron Ernle) - 1850 - 612 Seiten
...surface of the ground, is seldom lower than 48°, never much lower, and only for short periods : * When water is heated from below, the portion first subjected to the heat rises to ihe surface, and every portion is successively subjected to the heat and rises, and each, having lost... | |
 | 1850 - 608 Seiten
...surface of the ground, is seldom lower than 48°, never much lower, and only for short periods : * When water is heated from below, the portion first subjected to the beat rises to the surface, and every portion is successively subjected to the heat and rises, and each,... | |
 | Thomas Gisborne - 1854 - 666 Seiten
...and frequently at a much higher, temperature. The warmth of the air is carried down into the earth. * When water is heated from below, the portion first...has no tendency to disturb the quiescence of water. DRAINAGE. 03 The temperature of the soil, to the depth to which the water is removed, is in a course... | |
 | Robert Kemp Philp - 1860 - 360 Seiten
...below, and consequently retains its position upon the surface, and transmits no heat underneath. 906. When water is heated from below, the portion first...approximation to an equal temperature in the whole body.* 907. Why does drainage elevate the temperature of the soil ? Because, by removing the water of drainage,... | |
 | Ohio State Board of Agriculture - 1861 - 662 Seiten
...this is no disadvantage. In still more artificial cultivation than the usual run of agriculture, • When water is heated from below, the portion first...has no tendency to disturb the quiescence of water. gardeners are not insensible to the advantage of a total suspension of vegetation for a short period.... | |
 | John Hancock Klippart - 1861 - 486 Seiten
...removed, is in a course of constant assimilation to the temperature of the air at the surface. From this 1 When water is heated from below, the portion first...has no tendency to disturb the quiescence of water. it follows necessarily, that during that period of the year when the temperature of air at the surface... | |
 | John Hancock Klippart - 1867 - 478 Seiten
...assimilation to the temperature of the air at the surface. From this 1 When water is heated from below, ths portion first subjected to the heat rises to the surface,...has no tendency to disturb the quiescence of water. it follows necessarily, that during that period of the year when the temperature of air at the surface... | |
 | Tea cycolopaedia - 1882 - 406 Seiten
...that below, and consequently retains its position upon the surface, and transmits no heat underneath. When water is heated from below, the portion first...the heat, and rises, and each having lost some of the heat at the surface, is iu turn displaced. Constant motion is kept up, and a constant approximation... | |
 | 1882 - 406 Seiten
...that below, and consequently retains its position upon the surface, and transmits no heat underneath. When water is heated from below, the portion first...the heat, and rises, and each having lost some of the heat at the surface, is in turn displaced. Constant motion is kept up, and a constant approximation... | |
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When water is heated from below, the portion first subjected to the heat rises to the surface, and every portion is successively subjected to the heat and rises, and each, having lost some of its heat at the surface, is in turn displaced. Constant motion... 