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On hot days milk and acid fruit make a satisfying meal. Many believe that milk and acid fruit should not be taken in the same meal, because the acid curdles the milk. As we have already seen, the milk must be curdled before it can be digested. If this step in digestion is performed by the acid in the fruit no more harm is done than when it is performed by the lactic acid bacteria.
At that time, and all through the succeeding years, until about 1905, there was only one type that was recognized as commercially practicable namely, that known as the lead-sulphuric-acid cell, consisting of lead plates immersed in an electrolyte of dilute sulphuric acid.
In Dutch and factory cheeses, where the curd has been precipitated by hydrochloric acid, the food value is less than where rennet is used; but even in this case, it is far beyond meat in actual nutritive power." BUTTER is a purely carbonaceous or heat-giving food, being the fatty part of the milk, which rises in cream.
But this acid has a still greater affinity for alkalis than for metals, so that when we add alkalis to the above-mentioned salts, the acid sets free the metal with which it had combined, and combines with the alkali. Then the metal, set free by the acid which held it in solution, is precipitated and the liquid becomes opaque.
This is the product of some solution of a carbonate and sulphuric acid, and I suppose, eventually, I'll work out something on that order. But I hope I may get something better." "You haven't delved much into chemistry, have you?" "No. And I wish now that I had. I see my limitations and realize my weakness. But I can brush up a little on my chemistry.
Clearly the perfection of the hen or the conception of pure air must be sacrificed. Chemistry here came to the rescue, and said that carbon dioxide mixed with water, formed an acid and acid would dissolve the lime of an egg shell. Evidently the hen was sacrificing her own health by breathing impure air in order to soften up the shells a little so the chicks could get out.
When I returned on board, I was nearly suffocated by the carbonic acid with which the air was filled ah! if we had only the chemical means to drive away this deleterious gas. We had plenty of oxygen; all this water contained a considerable quantity, and by dissolving it with our powerful piles, it would restore the vivifying fluid.
Deepened colour and dense white fumes with nitric acid. Pale red, deepening, with hydrochloric acid. There are several other umbelliferous plants which are poisonous. It contains an active principle, cicutoxin, which in some respects is allied to strychnine and picrotoxin.
Observe well, that the room-door was open to let in the fresh air, and that there was a chimney, to allow the carbonic acid to escape. It was on this account that she got off with only a headache.
So that the physician can modify the proportions of these various ingredients of the milk to meet the necessity of the age and requirements of the infant. When the milk contains too little sugar, the infant does not gain as rapidly in weight as it would otherwise do. Too much sugar in the milk is indicated by colic, thin, green, or acid stools, or eructations of gas from the stomach.
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