| john murray - 1845 - 722 páginas
...on. Secondly ; excess of humidity obstructs the absorption of heat by the solid matter of the soil. Water in a quiescent state is one of the worst conductors of heat with which we are acquainted. If it be warmed on the surface—and it derives, when mixed with soil, nearly all its heat from the... | |
| Josiah Parkes - 1848 - 96 páginas
...on. Secondly; excess of humidity obstructs the absorption of heat by the solid matter of the soil. Water, in a quiescent state, is one of the worst conductors of heat with which we are acquainted. If it be warmed on the surface—and it derives, when mixed with soil, nearly all its heat from the... | |
| 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 páginas
...below the surface of the water-table is, at no period of the year, higher than from 46° to 483, ie, in agricultural Britain. This temperature is little...with which we are acquainted. Water warmed at the suface transmits little or no heat downwards. The small portion warmed expands, becomes lighter than... | |
| 1850 - 608 páginas
...below the surface of the water-table is, at no period of the year, higher than from 46° to 48D, te, in agricultural Britain. This temperature is little...with which we are acquainted. Water warmed at the suface transmits little or no heat downwards. The small portion warmed expands, becomes lighter than... | |
| 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 páginas
...from 46° to 48', ie, in agricultural Britain. This temperature is little affected by summer heals for the following short reasons. Water, in a quiescent...with which we are acquainted. Water warmed at the suface transmits little or no heat downwards. The small portion warmed expands, becomes lighter than... | |
| Thomas Gisborne - 1854 - 666 páginas
...below the surface of the water-table is, at no period of the year, higher than from 46° to 48°, te in agricultural Britain. This temperature is little...warmed at the surface transmits little or no heat downwards. The -in. ill portion warmed expands, becomes lighter than that below, consequently retains... | |
| David Ames Wells - 1858 - 466 páginas
...conbodies'wadlici dition are more imperfect conductors of beat heat? than liquids. Common air, especially, is one of the worst conductors of heat with which we are acquainted. sow is air 497. Air is, however, readily heated by con heated? vection. Thus, when a portion of air... | |
| David Ames Wells - 1857 - 492 páginas
...gaseous, or aeriform condition are more imperfect conductors of heat than liquids. Common air, especially, is one of the worst conductors of heat with which we are acquainted, now ia «ir 497. Air is, however, readily heated by CODheated? vection. Thus, when a portion of air... | |
| Robert Morris Copeland - 1859 - 876 páginas
...the surface of the water-table is at no period of the year higher than from 46° to 48°, that is, in agricultural Britain. This temperature is little...warmed at the surface transmits little or no heat downwards. The small portion warmed expands, becomes lighter than that below, consequently retains... | |
| Maine State Agricultural Society - 1853 - 884 páginas
...below the surface of the watertable is, at no period of the year, higher than from 46 ° to 48 s , ie, in agricultural Britain. This temperature is little...warmed at the surface transmits little or no heat downwards. The small portion warmed expands, becomes lighter than that below, consequently retains... | |
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