The American Journal of Science and ArtsS. Converse, 1878 |
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Página vii
... regions , Penn . , ASHBURNER , 393. - Region of the Great Lakes , MAW , 394. - Occurrence in North America of rare Extinct Vertebrates found fragmentarily in England , OWEN : The Erupted Rocks of Colorado , ENDLICH : Analyses of ...
... regions , Penn . , ASHBURNER , 393. - Region of the Great Lakes , MAW , 394. - Occurrence in North America of rare Extinct Vertebrates found fragmentarily in England , OWEN : The Erupted Rocks of Colorado , ENDLICH : Analyses of ...
Página viii
... Region of the United States , with a more detailed account of the lands of Utah , 489. - United States Geological Exploration of the Fortieth Parallel , CLARENCE KING : Annual Report of the Board of Regents of the Smithsonian ...
... Region of the United States , with a more detailed account of the lands of Utah , 489. - United States Geological Exploration of the Fortieth Parallel , CLARENCE KING : Annual Report of the Board of Regents of the Smithsonian ...
Página 1
... region where the storm appears to have originated ; Br . Co. denotes British Columbia ; Can . denotes Canada , northwest ; AM . JOUR . SCI . - THIRD SERIES , VOL . XVI , No. 91. - JULY , 1878 . Barometer below 29.7 inches at Portland ...
... region where the storm appears to have originated ; Br . Co. denotes British Columbia ; Can . denotes Canada , northwest ; AM . JOUR . SCI . - THIRD SERIES , VOL . XVI , No. 91. - JULY , 1878 . Barometer below 29.7 inches at Portland ...
Página 3
... region is designated by the term British Columbia . It is probable that in some of these cases , and perhaps in all of them , the area of low pressure was first formed over the Pacific Ocean . No. 10 was apparently formed on the east ...
... region is designated by the term British Columbia . It is probable that in some of these cases , and perhaps in all of them , the area of low pressure was first formed over the Pacific Ocean . No. 10 was apparently formed on the east ...
Página 7
... region where this high area appears to have originated ; the abbreviations are the same as in the preceding tables , except Ark . which denotes Arkansas ; column 9th shows the station where the barometer was lowest on the east side of ...
... region where this high area appears to have originated ; the abbreviations are the same as in the preceding tables , except Ark . which denotes Arkansas ; column 9th shows the station where the barometer was lowest on the east side of ...
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Pasajes populares
Página 392 - SOUND : a Series of Simple, Entertaining, and Inexpensive Experiments in the Phenomena of Sound, for the use of Students of every age.
Página 84 - CLIFFORD — THE ELEMENTS OF DYNAMIC. An Introduction to the Study of Motion and Rest in Solid and Fluid Bodies.
Página 334 - Additions, the Substance of a Course of Lectures delivered at the Royal Institution of Great Britain in 1874.
Página 445 - ... to have a term which shall refer solely to the composition and thermodynamic state of any such body without regard to its quantity or form. We may call such bodies as differ in composition or state different phases of the matter considered, regarding all bodies which differ only in quantity and form as different examples of the same phase. Phases which can exist together, the dividing surfaces being plane, in an equilibrium which does not depend upon passive resistances to change, we shall call...
Página 389 - ... trade winds stronger than the north-east, and compel them to blow over upon the northern hemisphere, as far probably as the Tropic of Cancer. The result is that all the great equatorial currents of the ocean are impelled into the northern hemisphere, which thus, in consequence of the immense accumulation of warm water, has its temperature raised, and snow and ice to a great extent must then disappear from the Arctic regions. When the precession of the equinoxes brings round the winter solstice...
Página 184 - ... Atlantic in species. It has not half as many Maples, nor Ashes, nor Poplars, nor Walnuts, nor Birches, and those it has are of smaller size and inferior quality ; it has not half as many Oaks ; and these and the Ashes are of so inferior economical value, that (as we are told) a passable wagon-wheel cannot be made of California wood, nor a really good one in Oregon.
Página 389 - When the eccentricity of the earth's orbit is at a high value, and the northern winter solstice is in perihelion, agencies are brought into operation which make the south-east trade winds stronger than the north-east, and compel them to blow over upon the northern hemisphere, as far probably as the Tropic of Cancer. The result is that all the great equatorial currents of the ocean are impelled into the northern hemisphere, which thus, in consequence of the immense accumulation of warm water, has...
Página 89 - From the Gulf of Mexico to the Gulf of St. Lawrence, the amount of rain decreases moderately and rather regularly from south to north ; but, as less is needed in a cold climate, there is enough to nourish forest throughout.
Página 290 - It is easy to speculate on the causes of such behavior, and it may be suggested that the reason of the non-appearance of a dark line may be, that the intensity of the light from a great thickness of ignited oxygen overpowers the effect of the photosphere...
Página 448 - The stability of any phase with respect to continuous changes depends upon the same conditions with respect to the second and higher differential coefficients of the density of energy regarded as a function of the density of entropy and the densities of the several components, which would make the density of energy a minimum, if the necessary conditions with respect to the first differential coefficients were fulfilled.