Journal of the Asiatic Society of Bengal, Volumen49

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G.H. Rouse, Baptist Mission Press, 1880
 

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Página 120 - ... we are led in each case to the inevitable conclusion that the oxidation of the organic matter in sewage proceeds with extreme slowness even when the sewage is mixed with a large volume of unpolluted water, and that it is impossible to say how far such water must flow before the sewage matter becomes thoroughly oxidized.
Página 120 - It is thus evident that so far from sewage mixed with twenty times its volume of water being oxidized during a flow of ten or twelve miles, scarcely two-thirds of it would be so destroyed in a flow of 168 miles, at the rate of one mile an hour, or after the lapse of a week.
Página 120 - ... per cent of sewage, we are led, in each case, to the inevitable conclusion that the oxidation of the organic matter in sewage proceeds with extreme slowness, even when the sewage is mixed with a large volume of unpolluted water...
Página 120 - ... mixed with fresh water and violently agitated in contact with air, or, finally, the rate at which dissolved oxygen disappears in water polluted with 5 per cent, of sewage, we are led in each case to the inevitable conclusion that the oxidation of the organic...
Página 120 - In fact, whether we examine the organic' pollution of a river at different points of its flow, or the rate of disappearance of the organic matter of sewage when the latter is. mixed with fresh water and violently agitated in contact with air, or finally, the rate at which dissolved oxygen disappears in water polluted with five per cent...
Página 117 - ... adopted, instead of the refined one of Dr. Frankland, which was considered to take too much time, although more perfect. The quality of the supply on the old system is described by the Author thus : " A good average quality of Calcutta, or shallow well-water, may be made by mixing six parts of our hydrant water with from one to two parts of the most concentrated Calcutta sewage.
Página 111 - Jainas have been here explained. They conceive the setting and rising of stars and planets to be caused by the mountain Sumeru : and suppose three times the period of a planet's appearance to be requisite for it to pass round Sumiru, and return to the place whence it emerges.
Página 8 - The usual kistvaen or megalithic sepulchral cell is enclosed by three concentric rings of upright stone slabs, each slab having its top rudely worked into a semicircular or rectangular shape.
Página 137 - Shahdad. descendants of one ancestor. All with armour upon their fore-arms, all with bows and arrows ; with silken scarves and overcoats, and red boots on their feet ; with silver knives and daggers, and golden rings on their hands.
Página 120 - It is thus evident, that so far from sewage mixed with 20 times its volume of water being oxydized during a flow of 10 or 12 miles, scarcely two-thirds of it would be so destroyed in a flow of 168 miles at the rate of...

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