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. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. 10 COMPARATIVE PHYSIOLOGY.. The elements of which, yeast is composed are C, H, O, N, S, P, K, Mg, and Ca; but chiefly the first four. Physiological.—If a little of the powder obtained by drying yeast at a temperature below blood-heat be added to a solution of sugar, and the lat- ter be kept warm, bubbles of carbon di- oxide will be evolved, causing the mixture to become frothy; and the fluid will acquire an alcoholic charac- ter (fermentation). If the mixture be Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-text-book-of-comparative-physiology-for-students-and-practitioners-of-comparative-veterinary-medicine-physiology-comparative-10-comparative-physiology-the-elements-of-which-yeast-is-composed-are-c-h-o-n-s-p-k-mg-and-ca-but-chiefly-the-first-four-physiologicalif-a-little-of-the-powder-obtained-by-drying-yeast-at-a-temperature-below-blood-heat-be-added-to-a-solution-of-sugar-and-the-lat-ter-be-kept-warm-bubbles-of-carbon-di-oxide-will-be-evolved-causing-the-mixture-to-become-frothy-and-the-fluid-will-acquire-an-alcoholic-charac-ter-fermentation-if-the-mixture-be-image232319887.htmlRMRDY2AR–. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. 10 COMPARATIVE PHYSIOLOGY.. The elements of which, yeast is composed are C, H, O, N, S, P, K, Mg, and Ca; but chiefly the first four. Physiological.—If a little of the powder obtained by drying yeast at a temperature below blood-heat be added to a solution of sugar, and the lat- ter be kept warm, bubbles of carbon di- oxide will be evolved, causing the mixture to become frothy; and the fluid will acquire an alcoholic charac- ter (fermentation). If the mixture be
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. Fresh-water aquaria: their construction, arrangement, and management, with full information as to the best water-plants and live stock to be kept, how and where to obtain them, and how to keep them in health. Aquariums. COLLECTING EQUIPMENT. 35 required, and there is obviotisly no occasion to wet the hands or warm the water by groping in it for the fish. In the handle (A) is a small pair of bellows, worked by merely pressing the knob B. The air passes down the small tube (C), and bubbles up at the bottom, of the can. When at the riverside, the perforated interior can be sunk in the water. Th Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/fresh-water-aquaria-their-construction-arrangement-and-management-with-full-information-as-to-the-best-water-plants-and-live-stock-to-be-kept-how-and-where-to-obtain-them-and-how-to-keep-them-in-health-aquariums-collecting-equipment-35-required-and-there-is-obviotisly-no-occasion-to-wet-the-hands-or-warm-the-water-by-groping-in-it-for-the-fish-in-the-handle-a-is-a-small-pair-of-bellows-worked-by-merely-pressing-the-knob-b-the-air-passes-down-the-small-tube-c-and-bubbles-up-at-the-bottom-of-the-can-when-at-the-riverside-the-perforated-interior-can-be-sunk-in-the-water-th-image216454856.htmlRMPG4AAG–. Fresh-water aquaria: their construction, arrangement, and management, with full information as to the best water-plants and live stock to be kept, how and where to obtain them, and how to keep them in health. Aquariums. COLLECTING EQUIPMENT. 35 required, and there is obviotisly no occasion to wet the hands or warm the water by groping in it for the fish. In the handle (A) is a small pair of bellows, worked by merely pressing the knob B. The air passes down the small tube (C), and bubbles up at the bottom, of the can. When at the riverside, the perforated interior can be sunk in the water. Th
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. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. The elements of which, yeast is composed are C, H, O, N, S, P, K, Mg, and Ca; but chiefly the first four. Physiological.—If a little of the powder obtained by drying yeast at a temperature below blood-heat be added to a solution of sugar, and the lat- ter be kept warm, bubbles of carbon di- oxide will be evolved, causing the mixture to become frothy; and the fluid will acquire an alcoholic charac- ter (fermentation). If the mixture be raised to the boiling- poin Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-text-book-of-comparative-physiology-for-students-and-practitioners-of-comparative-veterinary-medicine-physiology-comparative-the-elements-of-which-yeast-is-composed-are-c-h-o-n-s-p-k-mg-and-ca-but-chiefly-the-first-four-physiologicalif-a-little-of-the-powder-obtained-by-drying-yeast-at-a-temperature-below-blood-heat-be-added-to-a-solution-of-sugar-and-the-lat-ter-be-kept-warm-bubbles-of-carbon-di-oxide-will-be-evolved-causing-the-mixture-to-become-frothy-and-the-fluid-will-acquire-an-alcoholic-charac-ter-fermentation-if-the-mixture-be-raised-to-the-boiling-poin-image232319884.htmlRMRDY2AM–. A text-book of comparative physiology for students and practitioners of comparative (veterinary) medicine. Physiology, Comparative. The elements of which, yeast is composed are C, H, O, N, S, P, K, Mg, and Ca; but chiefly the first four. Physiological.—If a little of the powder obtained by drying yeast at a temperature below blood-heat be added to a solution of sugar, and the lat- ter be kept warm, bubbles of carbon di- oxide will be evolved, causing the mixture to become frothy; and the fluid will acquire an alcoholic charac- ter (fermentation). If the mixture be raised to the boiling- poin
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Scientific amusements . lS- 54-—Soap-bubble lifting a Paper Aeronaut. Let a small, thin paper-figure be cut out, and fastenedby a thread to a disc of paper ; it can be made to adhere-to the bubble, as shown in Fig. 54. If the bubble thenbe released, it will carry the figure up with it (Fig. 55).If smaller tubes be used, bubbles of smaller size will beproduced. The paper tubes must be replaced by otherswhen wet and soddened, but glass tubes are preferable. AERONAUTICS. 65 By inflating soap-bubbles with hydrogen gas we can. ^io- 55-—Soap-bubble iuJiated with warm Air. Mode of fixing an Aeronaut. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/scientific-amusements-ls-54-soap-bubble-lifting-a-paper-aeronaut-let-a-small-thin-paper-figure-be-cut-out-and-fastenedby-a-thread-to-a-disc-of-paper-it-can-be-made-to-adhere-to-the-bubble-as-shown-in-fig-54-if-the-bubble-thenbe-released-it-will-carry-the-figure-up-with-it-fig-55if-smaller-tubes-be-used-bubbles-of-smaller-size-will-beproduced-the-paper-tubes-must-be-replaced-by-otherswhen-wet-and-soddened-but-glass-tubes-are-preferable-aeronautics-65-by-inflating-soap-bubbles-with-hydrogen-gas-we-can-io-55-soap-bubble-iujiated-with-warm-air-mode-of-fixing-an-aeronaut-image343343892.htmlRM2AXGJHT–Scientific amusements . lS- 54-—Soap-bubble lifting a Paper Aeronaut. Let a small, thin paper-figure be cut out, and fastenedby a thread to a disc of paper ; it can be made to adhere-to the bubble, as shown in Fig. 54. If the bubble thenbe released, it will carry the figure up with it (Fig. 55).If smaller tubes be used, bubbles of smaller size will beproduced. The paper tubes must be replaced by otherswhen wet and soddened, but glass tubes are preferable. AERONAUTICS. 65 By inflating soap-bubbles with hydrogen gas we can. ^io- 55-—Soap-bubble iuJiated with warm Air. Mode of fixing an Aeronaut.
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. Fresh-water aquaria: their construction, arrangement, and management, with full information as to the best water-plants and live stock to be kept, how and where to obtain them, and how to keep them in health. Aquariums. COLLECTING EQUIPMENT. 35 required, and there is obviotisly no occasion to wet the hands or warm the water by groping in it for the fish. In the handle (A) is a small pair of bellows, worked by merely pressing the knob B. The air passes down the small tube (C), and bubbles up at the bottom, of the can. When at the riverside, the perforated interior can be sunk in the water. Th Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/fresh-water-aquaria-their-construction-arrangement-and-management-with-full-information-as-to-the-best-water-plants-and-live-stock-to-be-kept-how-and-where-to-obtain-them-and-how-to-keep-them-in-health-aquariums-collecting-equipment-35-required-and-there-is-obviotisly-no-occasion-to-wet-the-hands-or-warm-the-water-by-groping-in-it-for-the-fish-in-the-handle-a-is-a-small-pair-of-bellows-worked-by-merely-pressing-the-knob-b-the-air-passes-down-the-small-tube-c-and-bubbles-up-at-the-bottom-of-the-can-when-at-the-riverside-the-perforated-interior-can-be-sunk-in-the-water-th-image232112555.htmlRMRDHHX3–. Fresh-water aquaria: their construction, arrangement, and management, with full information as to the best water-plants and live stock to be kept, how and where to obtain them, and how to keep them in health. Aquariums. COLLECTING EQUIPMENT. 35 required, and there is obviotisly no occasion to wet the hands or warm the water by groping in it for the fish. In the handle (A) is a small pair of bellows, worked by merely pressing the knob B. The air passes down the small tube (C), and bubbles up at the bottom, of the can. When at the riverside, the perforated interior can be sunk in the water. Th
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![. Plants and their ways in South Africa. Botany; Botany. Plant Life Others of these minute plants are as useful as some are harmful. When the housekeeper is mixing " sponge" for bread, she is putting in as she stirs germs known as yeast plants which abound in the air. If the sponge is set in a warm place, the moisture causes them to grow rapidly. The growth changes a part of the starch of the flour into alcohol and carbonic acid gas, which, rising in bubbles, makes the bread light. A sudden chill prevents their growth, and the bread is heavy. Some germs are necessary to cause milk to Stock Photo](https://c8.alamy.com/comp/RDTGMG/plants-and-their-ways-in-south-africa-botany-botany-plant-life-others-of-these-minute-plants-are-as-useful-as-some-are-harmful-when-the-housekeeper-is-mixing-quot-spongequot-for-bread-she-is-putting-in-as-she-stirs-germs-known-as-yeast-plants-which-abound-in-the-air-if-the-sponge-is-set-in-a-warm-place-the-moisture-causes-them-to-grow-rapidly-the-growth-changes-a-part-of-the-starch-of-the-flour-into-alcohol-and-carbonic-acid-gas-which-rising-in-bubbles-makes-the-bread-light-a-sudden-chill-prevents-their-growth-and-the-bread-is-heavy-some-germs-are-necessary-to-cause-milk-to-RDTGMG.jpg ". Plants and their ways in South Africa. Botany; Botany. Plant Life Others of these minute plants are as useful as some are harmful. When the housekeeper is mixing " sponge" for bread, she is putting in as she stirs germs known as yeast plants which abound in the air. If the sponge is set in a warm place, the moisture causes them to grow rapidly. The growth changes a part of the starch of the flour into alcohol and carbonic acid gas, which, rising in bubbles, makes the bread light. A sudden chill prevents their growth, and the bread is heavy. Some germs are necessary to cause milk to Stock Photo")
. Plants and their ways in South Africa. Botany; Botany. Plant Life Others of these minute plants are as useful as some are harmful. When the housekeeper is mixing " sponge" for bread, she is putting in as she stirs germs known as yeast plants which abound in the air. If the sponge is set in a warm place, the moisture causes them to grow rapidly. The growth changes a part of the starch of the flour into alcohol and carbonic acid gas, which, rising in bubbles, makes the bread light. A sudden chill prevents their growth, and the bread is heavy. Some germs are necessary to cause milk to Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/plants-and-their-ways-in-south-africa-botany-botany-plant-life-others-of-these-minute-plants-are-as-useful-as-some-are-harmful-when-the-housekeeper-is-mixing-quot-spongequot-for-bread-she-is-putting-in-as-she-stirs-germs-known-as-yeast-plants-which-abound-in-the-air-if-the-sponge-is-set-in-a-warm-place-the-moisture-causes-them-to-grow-rapidly-the-growth-changes-a-part-of-the-starch-of-the-flour-into-alcohol-and-carbonic-acid-gas-which-rising-in-bubbles-makes-the-bread-light-a-sudden-chill-prevents-their-growth-and-the-bread-is-heavy-some-germs-are-necessary-to-cause-milk-to-image232265280.htmlRMRDTGMG–. Plants and their ways in South Africa. Botany; Botany. Plant Life Others of these minute plants are as useful as some are harmful. When the housekeeper is mixing " sponge" for bread, she is putting in as she stirs germs known as yeast plants which abound in the air. If the sponge is set in a warm place, the moisture causes them to grow rapidly. The growth changes a part of the starch of the flour into alcohol and carbonic acid gas, which, rising in bubbles, makes the bread light. A sudden chill prevents their growth, and the bread is heavy. Some germs are necessary to cause milk to
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