The American Journal of ScienceJ.D. & E.S. Dana, 1895 - Science |
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Page 11
... referred to moderate oscillations . of the ice boundary than to the distinct glacial epochs which Coleman and Hinde infer from them . Both these beds and * J. W. Spencer , " The Deformation of the Iroquois Beach and Birth of Lake ...
... referred to moderate oscillations . of the ice boundary than to the distinct glacial epochs which Coleman and Hinde infer from them . Both these beds and * J. W. Spencer , " The Deformation of the Iroquois Beach and Birth of Lake ...
Page 12
... referred to the closing stage or Champlain epoch of the Ice age ; and they both testify , like the partially forest - covered Malaspina ice - sheet in Alaska , of the close sequence of a warm climate , with luxuriant plant and animal ...
... referred to the closing stage or Champlain epoch of the Ice age ; and they both testify , like the partially forest - covered Malaspina ice - sheet in Alaska , of the close sequence of a warm climate , with luxuriant plant and animal ...
Page 27
... referred to the unit of length , i . e . , a pressure , of so many pounds per foot , supposed to be acting on the circum- ference of the circle . Let 2лada = ds oг ñа2 = 8. Then s is the area of the circle . According to these ...
... referred to the unit of length , i . e . , a pressure , of so many pounds per foot , supposed to be acting on the circum- ference of the circle . Let 2лada = ds oг ñа2 = 8. Then s is the area of the circle . According to these ...
Page 28
... referred to the coördinates and 8 , the total work ❤ ( external and internal ) absorbed during the transformation is equal to the area AabB limited by the path , the axis of s and the two extreme ordinates . β n a 0 α 1 B mb S ...
... referred to the coördinates and 8 , the total work ❤ ( external and internal ) absorbed during the transformation is equal to the area AabB limited by the path , the axis of s and the two extreme ordinates . β n a 0 α 1 B mb S ...
Page 75
... referred to which are of interest in economic botany , especially in medicine . The number of illustrations has been increased from 326 to 355. The improvement in the engravings since the first edition has been very great . G. L. G. 4 ...
... referred to which are of interest in economic botany , especially in medicine . The number of illustrations has been increased from 326 to 355. The improvement in the engravings since the first edition has been very great . G. L. G. 4 ...
Contents
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Common terms and phrases
acid Algonquin altitude appears argon atomic weight basin beach beds bowlders carbon Carboniferous chemical chloride chromospheric Coal Measures color colorless Comanche series constant containing Cragin Cretaceous crystals curve deposits described determined Devonian east electric equation fath fauna feet figs formation fossils Geol Geological glacial gneisses Hall heat helium hydrochloric acid hydrogen Ibid inches iodide iodine Island Jour Journal Kansas Lake limestone lines long liquid lower magnetic mass miles mineral molecules moraine Mountain nearly nitrogen Oaxaca observed obtained occur orthoclase oxide oxygen paper period plane plates potassium present probably Prof Professor pubescent quartzite range region ridges river rock salt sandstone schreibersite secondary selenic acid shales sodium solution species specimens spectrum Spirifer substance surface temperature thallium theory thickness tion tube upper uraninite valley Verrill volume waves
Popular passages
Page 236 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Page 508 - Index Kewensis: an enumeration of the genera and species of flowering plants from the time of Linnaeus to the year 1885 inclusive, together with their authors' names, the works in which they were first published, their native countries, and their synonyms.
Page 292 - It will be remembered that, from the velocity of sound in a gas, the ratio of specific heat at constant pressure to that at constant volume can be deduced by means of the equation when n is the frequency, A.
Page 237 - As a unit of quantity, the international coulomb, which is the quantity of electricity transferred by a current of one international ampere in one second. As a unit of capacity, the international farad, which is the capacity of a condenser charged to a potential of one international volt by one international coulomb of electricity.
Page 237 - ... As a unit of electromotive force, the international volt, which is the electromotive force that, steadily applied to a conductor whose resistance is one international ohm, will produce a current of one international ampere, and which is represented sufficiently well for practical use by \\\% of the electromotive force between the poles or electrodes of the voltaic cell known as Clark's cell, at a temperature of 15° C., and prepared in the manner described in the accompanying specification...
Page 318 - The crystals should be dissolved with the aid of gentle heat, but the temperature to which the solution is raised must not exceed 30° C.
Page 237 - The unit of induction shall be the Henry, which is the induction in a circuit when the electro-motive force induced in this circuit is one international volt while the inducing current varies at the rate of one Ampere per second.
Page 277 - We are in the case of Tarpeia, who opened the gates of the Roman citadel to the Sabines, and was crushed under the weight of the reward bestowed upon her.
Page 317 - The result will be the time-average of the current, if during the interval the current has varied. In determining by this method the constant of an instrument the current should be kept as nearly constant as possible, and the readings of the instrument observed at frequent intervals of time. These observations give a curve from which the reading corresponding to the mean current (time-average of the current) can be found. The current, as calculated by the voltameter, corresponds to this reading.
Page 316 - ... through a solution of nitrate of silver in water. The silver voltameter measures the total electrical quantity which has passed during the time of the experiment, and by noting this time the time average of the current, or, if the current has been kept constant, the current itself, can be deduced. In employing the silver voltameter to measure currents of about one ampere...