A KNOWLEDGE OF LIVING THINGS WITH THE LAW OF THEIR EXISTENCE |
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الصفحة 12
... oxygen unite with one of hydrogen , with six of carbon , and with fourteen of nitrogen ; and the six of carbon is the exact quantity for union , with one of hydrogen , and eight of oxygen , and fourteen of nitrogen ; thus showing that ...
... oxygen unite with one of hydrogen , with six of carbon , and with fourteen of nitrogen ; and the six of carbon is the exact quantity for union , with one of hydrogen , and eight of oxygen , and fourteen of nitrogen ; thus showing that ...
الصفحة 14
... oxygen , so that to express four equivalents of carbonic acid , write 4 ( C O2 ) . The yeast , possessing the power of separating the compact into which carbon , hydrogen , and oxygen had entered to form sugar , these several elements ...
... oxygen , so that to express four equivalents of carbonic acid , write 4 ( C O2 ) . The yeast , possessing the power of separating the compact into which carbon , hydrogen , and oxygen had entered to form sugar , these several elements ...
الصفحة 16
... OXYGEN is a colorless gas , destitute of odor and taste . It is the most generally diffused element in na- ture ... oxygen . And at every moment of existence the animal is taking oxygen into its system , by means of the organs of ...
... OXYGEN is a colorless gas , destitute of odor and taste . It is the most generally diffused element in na- ture ... oxygen . And at every moment of existence the animal is taking oxygen into its system , by means of the organs of ...
الصفحة 17
... oxygen introduced ? No part of it remains in the system . It has been returned to the atmosphere in the forms of carbonic acid gas , and the vapor of water . 52. Since no part of the oxygen taken into the sys- tem is again given off in ...
... oxygen introduced ? No part of it remains in the system . It has been returned to the atmosphere in the forms of carbonic acid gas , and the vapor of water . 52. Since no part of the oxygen taken into the sys- tem is again given off in ...
الصفحة 18
... oxygen which is removed by the processes of organization and putrefaction . Both of these causes are united in the ... oxygen ; this carbon enters into combination with the elements of water , and the oxygen is returned to the atmosphere ...
... oxygen which is removed by the processes of organization and putrefaction . Both of these causes are united in the ... oxygen ; this carbon enters into combination with the elements of water , and the oxygen is returned to the atmosphere ...
عبارات ومصطلحات مألوفة
absorbed adapted albumen animal body aqueous humor arteries atmosphere axis become blood buds called capable carbonic acid cause cavity cells cellular tissue centre chemical affinity ciliary processes color combination compounds conceptacle condition consists constituted contained coral cornea cotyledons crystalline lens decomposition degree digestive disease earth elements exercise existence external flowering plant fluid formation functions fungi germ-cells growth heat Hydra hydrogen infusoria inorganic laws layer leaves lens less living lungs matter membrane ment motion muscles nature necessary nerves nitrogen nourishment nutrition object odorous organic bodies oxygen papillæ particles phenomena plants poisonous polyps portion possess produce properties proportion purpose quantity rays of light refraction respiration retina roots sea-weed seeds single soil solid species spherical aberration sponge stem stomach structure substances supply surface tain temperature tentacles thallus tion tube tympanum vapor vegetable vitreous humor whole Zoospore
مقاطع مشهورة
الصفحة 306 - That the wicked is reserved to the day of destruction? they shall be brought forth to the day of wrath.
الصفحة 291 - I CONSIDER a human soul without education like marble in the quarry, which shows none of its inherent beauties, till the skill of the polisher fetches out the colours, makes the surface shine, and discovers every ornamental cloud, spot, and vein, that runs through the body of it.
الصفحة 210 - that a pious hermit, who, in his watchings and prayers, had often been overtaken by sleep, so that his eyelids closed, in holy wrath against the weakness of the flesh, cut them off and threw them on the ground. But a god caused a tea-shrub to spring out of them, the leaves of which exhibit the form of an eyelid bordered with lashes, and possess the gift of hindering sleep.
الصفحة 134 - ... around. The beauty and novelty of such a scene in the animal kingdom, long arrested my attention, but after twenty-five minutes of constant observation, I was obliged to withdraw my eye from fatigue, without having seen the torrent for one instant change its direction, or diminish, in the slightest degree, the rapidity of its course.
الصفحة 213 - Franklin's death, he declared to one of his friends, that he had never used tobacco in the course of his long life, and that he was disposed to believe there was not much advantage to be derived from it, for that he had never known a man who used it, who advised him to follow his example.
الصفحة 292 - When our body has its full health and strength, the mind is so far assisted thereby, that it can bear a closer and longer application ; our apprehension is readier; our imagination is livelier; we can better enlarge our compass of thought; we can examine our perceptions more strictly, and compare them more exactly. By which means...
الصفحة 43 - ... these are the issue of long anticipations and preparations. Not only the comfort, health, and degree of civilization, but the very existence of Man depends upon the state of the earth, the atmosphere of the earth, the climate of the earth, and the productions of the earth.
الصفحة 292 - ... can examine our perceptions more strictly, and compare them more exactly ; by which means we are enabled to form a truer judgment of things — to remove more effectually the mistakes into which we have been led by a wrong education, by passion, inattention, custom, example — to have a clearer view of what is best for us, of what is most for our interest, and thence determine ourselves more readily to its pursuit, and persist therein with greater resolution and steadiness.
الصفحة 236 - ... slept on! and in this state was found by the kiln-man in the morning. Insensible to any pain, and ignorant of his misfortune, he attempted to rise and pursue his journey, but missing his shoe, requested to have it found ; and when he was raised, putting his burnt limb to the ground to support his body, the extremity of his leg.bone, the tibia, crumbled into fragments, having been calcined into lime.
الصفحة 236 - A travelling man one winter's evening laid himself down upon the platform of a lime-kiln, placing his feet, probably numbed with cold, upon the heap of stones, newly put on to burn through the night. Sleep overcame him in this situation; the fire gradually rising and increasing until it ignited the stones upon which his feet were placed. Lulled by the warmth...