The Annals of Electricity Magnetism and Chemistry and Guardian of Experimental Science, Band 9 |
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Seite 73
Now the mutual action between the elements of food and the oxygen of the air is
the source of animal heat . All living creatures , whose existence depends on the
absorption of oxygen , possess within themselves a source of heat ...
Now the mutual action between the elements of food and the oxygen of the air is
the source of animal heat . All living creatures , whose existence depends on the
absorption of oxygen , possess within themselves a source of heat ...
Seite 75
He also showed that animal heat must not be ascribed to the contraction of the
muscles . The professor proceeded to prove , that the heat evolved by the
combustion of carbon in the body is sufficient to account for the phenomena of
animal ...
He also showed that animal heat must not be ascribed to the contraction of the
muscles . The professor proceeded to prove , that the heat evolved by the
combustion of carbon in the body is sufficient to account for the phenomena of
animal ...
Seite 289
Next come animals , consumers of matter and producers of heat and force , true
apparatus for combustion . It is in them undoubtedly that organized matter puts on
its highest expression . But it is not without suffering from it that it becomes the ...
Next come animals , consumers of matter and producers of heat and force , true
apparatus for combustion . It is in them undoubtedly that organized matter puts on
its highest expression . But it is not without suffering from it that it becomes the ...
Seite 341
must be bound with iron braces to prevent them from cracking from the excessive
heat . I then place thin sheets of iron slightly curved , thus forming a roof , and rest
them on the exterior wall . Each end of the chamber ( thus formed ) is closed by ...
must be bound with iron braces to prevent them from cracking from the excessive
heat . I then place thin sheets of iron slightly curved , thus forming a roof , and rest
them on the exterior wall . Each end of the chamber ( thus formed ) is closed by ...
Seite 364
It burns carbon and hydrogen ; it produces heat ; that is to say , it takes to itself the
principal characters of animal life . But here a remarkable circumstance reveals
itself . If barley or wheat is made to germinate , much heat , carbonic acid and ...
It burns carbon and hydrogen ; it produces heat ; that is to say , it takes to itself the
principal characters of animal life . But here a remarkable circumstance reveals
itself . If barley or wheat is made to germinate , much heat , carbonic acid and ...
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acid action animal apparatus appears atmosphere ball battery become body called carbon cause charge chemical circuit circumstances clouds colour column combination communication conducting conductor connected consequently considerable contained continued copper described diameter direction discharge distance effect electric fluid employed equal experiments explained extremity fact fire force former give given glass gold greater ground heat hydrogen inches increase influence intensity iron kind length less light liquid magnetism manner matter means metal motion nature needle negative nitric acid observed obtained operation oxide oxygen particles passing phenomena piece plate platinum pole portion positive present produced Professor proportion proved quantity received remains separated side silver solution spark striking substances sufficient supposed surface taken theory tion tube whole wire zinc
Beliebte Passagen
Seite 427 - ... a wire down the outside of the building into the ground, or down round one of the shrouds of a ship, and down her side till it reaches the water?
Seite 414 - To determine the question whether the clouds that contain lightning are electrified or not, I would propose an experiment to be tried where it may be done conveniently.
Seite 151 - By exposure to excessive cold the primitive fungi are killed, but their seed still retains vitality, and, if immersed in snow, which appears to be their native soil, they reproduce new fungi, which are generally of a red colour. The Philosophical Transactions for 1823 contains the paper by Mr. Bauer already alluded to, entitled " Microscopical Observations on the Suspension of the Muscular Motions of the Vibrio tritici," which forms the Croonian Lecture for that year.
Seite 336 - The declaration was in the usual form, and the defendants pleaded thereto, first, that they were not guilty; secondly, that the plaintiff was not the...
Seite 414 - ... or 30 feet, pointed very sharp at the end. If the electrical stand be kept clean and dry, a man standing on it when such clouds are passing low, might be electrified and afford sparks, the rod drawing fire to him from a cloud.
Seite 377 - Fig. 9,) big enough to contain a man and an electrical stand. From the middle of the stand let an iron rod rise and pass bending out of the door, and then upright twenty or thirty feet, pointed very sharp at the end. If the electrical stand be kept clean and dry, a man standing on it, when such...
Seite 484 - ... will give a spark at a greater distance. Two gun-barrels united, and as highly electrified, will give a spark at a still greater distance. But if two gun-barrels electrified will strike at two inches distance, and make a loud snap, to what a great distance may 10,000 acres of electrified cloud strike and give its fire, and how loud must be that crack?
Seite 414 - If any danger to the man should be apprehended (though I think there would be none) let him stand on the floor of his box, and now and then bring near to the rod the loop of a wire that has one end fastened to the leads, he holding it by a wax handle ; so the sparks, if the rod is electrified, will strike from the rod to the wire, and not affect him.
Seite 377 - I say, if these things are so, may not the knowledge of this power of points be of use to mankind, in preserving houses, churches, ships, &V. from the stroke of lightning, by directing us to fix on the highest parts of those edifices, upright rods of iron made sharp as a needle, and gilt to prevent rusting, and from the foot of those rods a wire down the outside of the building into the ground, or down round one of the shrouds of a ship...
Seite 73 - The mutual action between the elements of the food and the oxygen conveyed by the circulation of the blood to every part of the body is the source of animal heat. " All living creatures whose existence depends on the absorption of oxygen possess within themselves a source of heat independent of surrounding objects.