The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould and Lincoln, 1860 |
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Сторінка xii
... carbon in a manner analogous to that from silver or gold — namely , by reduction . But chemistry , as yet , has failed to discover a process for the reduction of carbon compounds , and photo- graphers have resorted to animal - black ...
... carbon in a manner analogous to that from silver or gold — namely , by reduction . But chemistry , as yet , has failed to discover a process for the reduction of carbon compounds , and photo- graphers have resorted to animal - black ...
Сторінка xiii
... carbon before exposure of the proof to light - the sensitive coating being formed at once , of bichromate of potassa , gum arabic , and finely divided carbon , exposed not under a positive , but under a negative plate . On removal , the ...
... carbon before exposure of the proof to light - the sensitive coating being formed at once , of bichromate of potassa , gum arabic , and finely divided carbon , exposed not under a positive , but under a negative plate . On removal , the ...
Сторінка 48
... carbon , as well as effecting a complete mix- ture of the air with the gases , and thereby producing a mass of flames , which is brought in contact with the direct heating surface of the combustion cham- ber before it enters the tubes ...
... carbon , as well as effecting a complete mix- ture of the air with the gases , and thereby producing a mass of flames , which is brought in contact with the direct heating surface of the combustion cham- ber before it enters the tubes ...
Сторінка 50
... carbon , and the more in proportion as the temperature is higher . There is in wood that has been properly seasoned a toughness and elasticity which is not found in rapidly dried wood ; and this is an evident proof that firm cohesion ...
... carbon , and the more in proportion as the temperature is higher . There is in wood that has been properly seasoned a toughness and elasticity which is not found in rapidly dried wood ; and this is an evident proof that firm cohesion ...
Сторінка 84
... carbon drunk in by their myriad mouths . No other demand is made of the soil than a sufficient supply of saline and ammoniacal substances , and water enough for their solution and transport . In order that the soil may be able to ...
... carbon drunk in by their myriad mouths . No other demand is made of the soil than a sufficient supply of saline and ammoniacal substances , and water enough for their solution and transport . In order that the soil may be able to ...
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The Annual of Scientific Discovery, Or, Year-book of Facts in Science ..., Том 5 Повний перегляд - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science ..., Том 5 Повний перегляд - 1854 |
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action alloys alumina ammonia amount animal animalcules apparatus appear atmosphere axle body bones breccia carbonic acid cast iron cause cellulose cent centre chemical chloride coal color containing copper cylinder decomposition deposits depth diameter earth effect electric engine existence experiments fact feet fibres fluid formation fossil furnace fusel oil geological glacier greensand Hadrosaurus heat hundred hydrogen inches increased less light lime limestone liquid magnesia mass matter metal miles minute motion nature nearly nitric acid observed obtained octahedron odor ordinary organic oxide oxygen paper parchment passing peroxide phosphorescent phosphorus plants plate plough portion pounds present pressure produced Prof quantity reäction recently rocks side silica Silurian soda soil solution species specimens steam steel strata substance sulphate sulphuric acid surface temperature thick tion tons tube vegetable vessel weight wheel wire wood wrought iron zinc