United States or Saint Kitts and Nevis ? Vote for the TOP Country of the Week !
He waved his hand towards the overflowing well, charged with carbonic acid gas, one of the many that have since made this region of the Rhine famous. "Now I ask you, can this Castle of Grunewald ever be taken excommunication or no excommunication?" A simultaneous shout of "No! Never!" arose from the knights. The Baron stood looking grimly at them for several moments.
There were two storeys above the ground-floor, and above them a projecting eave of carven stone that threatened the uplifted eye like a menace. The tenth part of a slate, the merest chip of a corner, falling from the lofty summit of that pile, would have slain elephants. And all the façade was black, black with ages of carbonic deposit.
When the conditions of air and moisture are favourable, these lips open visible to admit gases; and then the tiny mouths suck in carbonic acid in abundance from the air around then. A series of pipes conveys the gaseous food thus supplied to the upper surface of the leaf, where the sunlight falls full upon it.
It would be difficult to say whether carbonic acid gas is in the atmosphere constitutionally, or accidentally, or both. Dr. Wm. A. Alcott's Health Tracts. There are other agencies than carbonic acid gas which in civic life render the atmosphere impure. Of this nature is carbureted hydrogen gas, which is produced in various ways. This, says Dr.
Water, for example, contains practically much less carbonic acid than atmospheric air, especially when the water is stagnant, and therefore not supplied fresh to the plant from moment to moment.
As we did with water, so we can with carbonic acid take the two parts asunder. The simplest and quickest way is to act upon the carbonic acid by a substance that can attract the oxygen from it, and leave the carbon behind. You recollect that I took potassium and put it upon water or ice, and you saw that it could take the oxygen from the hydrogen.
Dick Sand knew all that, but he did not lose his presence of mind for a moment. He had closely calculated the consequences of the experiment he wished to try. Besides, to wait longer was not possible. Asphyxia was threatening in this narrow space, reduced every moment, in a medium already saturated with carbonic acid.
Exactly as much oxygen as is imbibed in inspiration passes off in expiration, in the form of carbonic acid and water; so that with every breath the amount of carbon and hydrogen in the body is diminished.
Spaces stretched away on all sides as in the crypt of a cathedral, most beautifully and harmoniously draped with the separate colors of the four rooms, red, yellow, violet and green; immense gongs, connected apparently with some intricate network of shining wires, hung suspended in midair beneath the arches; rising from the floor were gigantic tuning forks, erect and silent, immediately behind which gaped artificial air-cavities placed to increase the intensity of the respective notes when caught; and in the dim background the clergyman pointed out an elaborate apparatus for quickly altering the temperature of the air, and another for the rapid production of carbonic acid gas, since by means of a lens of carbonic acid gas sound can be refracted like light, and by changing the temperature of the air that conveys it, sound can be bent, also like a ray of light, in any desired direction.
This, however, cannot be accomplished without considerable danger. A melancholy accident occurred at Paris, which will probably prevent for the future the formation of solid carbonic acid in these large quantities, and deprive the next generation of the gratification of witnessing these curious experiments.
Word Of The Day