Quarterly Journal of Science: 1873, Том 10John Churchill and Sons, 1873 |
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Стр. 126
... carbon spectrum . There is no polarisation to be detected in the light of the comet . The mass is certainly not less than that of an asteroid . The density of the supposed resisting medium in space , as computed from the retardation of ...
... carbon spectrum . There is no polarisation to be detected in the light of the comet . The mass is certainly not less than that of an asteroid . The density of the supposed resisting medium in space , as computed from the retardation of ...
Стр. 133
... carbon , o'95 . The cast manganese may be refined by Berthier's process , which consists in re - melting the coarsely - powdered crude metal with carbonate of manganese . A sample of the refined metal obtained by this treatment had the ...
... carbon , o'95 . The cast manganese may be refined by Berthier's process , which consists in re - melting the coarsely - powdered crude metal with carbonate of manganese . A sample of the refined metal obtained by this treatment had the ...
Стр. 264
... carbon , 0'43 per cent ; uncombined carbon , o'8 ; silicon , 0 · 13 ; sulphur and phosphorus , none . Mr. H. Defty , of Middlesbro ' - on - Tees , has patented his trunk - refinery and puddling - furnace . This furnace is provided with ...
... carbon , 0'43 per cent ; uncombined carbon , o'8 ; silicon , 0 · 13 ; sulphur and phosphorus , none . Mr. H. Defty , of Middlesbro ' - on - Tees , has patented his trunk - refinery and puddling - furnace . This furnace is provided with ...
Стр. 281
... carbon . The gas is allowed to burn against soapstone plates , on which the carbon is deposited in the form of soot . Six hundred and sixty burners are now in operation , each burner consuming 8 cubic feet per hour . By a mechanical ...
... carbon . The gas is allowed to burn against soapstone plates , on which the carbon is deposited in the form of soot . Six hundred and sixty burners are now in operation , each burner consuming 8 cubic feet per hour . By a mechanical ...
Стр. 296
... carbon and other pigments . Under the action of light , gelatine , charged with the bichromate of potash or ammonia , becomes insoluble by warm water in exact proportion to the degree in which it has been affected by the light . Hence ...
... carbon and other pigments . Under the action of light , gelatine , charged with the bichromate of potash or ammonia , becomes insoluble by warm water in exact proportion to the degree in which it has been affected by the light . Hence ...
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acid action Alhazen amblygonite amount appears atmosphere carbon carbonado carboniferous cause cent chemical chlorophyll coal colouring matters considerable contains copper crater density deposits determined Devonian diamond direction disc earth effect electricity English ethereal waves evidence existence experiments fact feet Felida force fossils fucoxanthine fuel geological Gilpin County give glacial gold guano gun-cotton heat hyæna important inches incisor increase iron language less light Linné London lunar Machairodus machine magnetic Mars means Messrs metal method miles mineral mines moon moon's surface motion nature observations obtained old red sandstone Oolite ordinary paper peat phenomena physical plants plate Plato portion present probably produced Prof quantity railway recent remarkable rocks scientific sewage Silurian silver South specimens spectrum stone substances supposed temperature thallium theory tion tons Trilobites tube vibrations weight whilst xanthophyll