Encyclopædia metropolitana; or, Universal dictionary of knowledge, ed. by E. Smedley, Hugh J. Rose and Henry J. Rose. [With] Plates, 5. kötet1845 |
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1 - 5 találat összesen 100 találatból.
33. oldal
... equation to deduce the mean Equatorial tem- perature . This he estimated at 84 ° , and in this value he was followed ... equations : x . Q ( 1 ) + 2 = t x . Q ( 1 ) + 2 = ť ..... x.Q ( l ' ) + x = t " , & c . & c . ( A ) r and z being ...
... equation to deduce the mean Equatorial tem- perature . This he estimated at 84 ° , and in this value he was followed ... equations : x . Q ( 1 ) + 2 = t x . Q ( 1 ) + 2 = ť ..... x.Q ( l ' ) + x = t " , & c . & c . ( A ) r and z being ...
34. oldal
... equations gives - x { 9 ( 1 ) − 9 ( 1 ' ) } = t — t ' , from which we deduce X = t - t ' 9 ( 1 ) -9 ( 1 ) .... ( B ) . This value for a being substituted in the first equation , we obtain by transposition 2 t- ( t t ' ) . ( 1 ) P ( 1 ) ...
... equations gives - x { 9 ( 1 ) − 9 ( 1 ' ) } = t — t ' , from which we deduce X = t - t ' 9 ( 1 ) -9 ( 1 ) .... ( B ) . This value for a being substituted in the first equation , we obtain by transposition 2 t- ( t t ' ) . ( 1 ) P ( 1 ) ...
35. oldal
... equations ( A ) will give ( t - t ' ) cos " l ' cos " - cos " l + t- --- ( t - t ' ) cos " l cos " l cos " = t ... equations of con- dition ; and from which we may readily perceive the degree of reliance that ought to be placed on it ...
... equations ( A ) will give ( t - t ' ) cos " l ' cos " - cos " l + t- --- ( t - t ' ) cos " l cos " l cos " = t ... equations of con- dition ; and from which we may readily perceive the degree of reliance that ought to be placed on it ...
50. oldal
... equation of the form v dv dt = K d2 v d x2 x + 2. d ) , so that the integral is satisfied when r X , at the same time d v + hv = 0 . The functions and K represent , respectively , the dx ratios h K K CD ' and the four elements being ...
... equation of the form v dv dt = K d2 v d x2 x + 2. d ) , so that the integral is satisfied when r X , at the same time d v + hv = 0 . The functions and K represent , respectively , the dx ratios h K K CD ' and the four elements being ...
68. oldal
... equation , let a = ; and adopting as the base of the hyperbolic logarithms , we shall obtain b h.log . β = h.log . lux ; or passing from logarithms to numbers , b = λατ . В sec . 341 . Playfair , Outlines of Natural Philosophy , vol . i ...
... equation , let a = ; and adopting as the base of the hyperbolic logarithms , we shall obtain b h.log . β = h.log . lux ; or passing from logarithms to numbers , b = λατ . В sec . 341 . Playfair , Outlines of Natural Philosophy , vol . i ...
Gyakori szavak és kifejezések
altitude angle appears architrave atmosphere ature canal Cloud coefficient colour columns Corinthian Order cos² degree density depending depth determined diameter direction distance Ditto diurnal diurnal tide Doric Order Earth effect elastic elevation ellipticity entablature equal equation evaporation expression Fahrenheit feet fluid force formula Gravity heat height high water horizontal Humboldt inches Isothermal latitude length longitude low water mass mean temperature measure meridian Meteor moisture moon moon's motion mountains nearly observations ology parallax parallel particles pendulum perature peripteral peristyle perpetual snows plane Pole produced pronaos proportion quantity radiation Rain regions remarks right ascension side sin² solar spheroid supposed surface syzygies Table temperature Temple theory thermometer tide-wave Tides and Waves tion toises triglyphs upper vapour velocity vertical Vitruvius vt-x walls whole wind
Népszerű szakaszok
131. oldal - night, colder than the atmosphere, by radiating their heat to the heavens, I perceived immediately a just reason for the practice, which I had before deemed useless. Being desirous, however, of acquiring some precise information on this subject, I fixed, perpendicularly, in the earth of
147. oldal - discern, Or half-conceal'd some figure at the stern ; Boys who, on shore, to sea the pebble cast, Will hear it strike against the viewless mast ; While the stern boatman growls his fierce disdain, At whom he knows not, whom he threats in vain.
148. oldal - The Rain Cloud. A Cloud, or system of Clouds, from which rain is falling. It is a horizontal sheet, above which the Cirrus spreads, while the Cumulus enters it laterally and from beneath.
27. oldal - At Pékin, also, where the mean temperature of the year is that of the coasts of Brittany, the scorching heats of summer are greater than at Cairo, and the winters as rigorous as at Upsal,
147. oldal - When all you see through densest Fog is seen, When you can hear the fishers near at hand Distinctly speak, yet see not where they stand ; Or sometimes them and not their
292. oldal - When the length of the wave is great in comparison with the depth of the water, (as in the case of tide-waves,) the horizontal motion is sensibly the same from the surface to the bottom, and the vertical motion for different particles varies in the same proportion as their height above the bottom.
143. oldal - of aqueous vapour, and the situation of the ground is such as to permit the cold air from the land to mix with the warmer air above the water, Mist or Fog will be the result. The density of such Mist or Fog will,
132. oldal - whether on hill .. Sometimes, anon on shady vale, each night Under the covert of some ancient oak, Or cedar, to defend him from the Dew.
132. oldal - a hollow cylinder of baked clay, the height of which was 2£ feet, and diameter 1 foot. On the grass, surrounded by the cylinder, were laid 10 grains of wool, which, in this situation, as there was not the least wind, would have received as much rain as a like
131. oldal - in the pride of half knowledge, smiled at the means frequently employed by gardeners, to protect tender plants from cold, as it appeared to me impossible, that