The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art, Volume 17Gould, Kendall, and Lincoln, 1867 |
Vanuit het boek
Resultaten 1-5 van 28
Pagina viii
... Organic chemistry has accumulated a vast array of facts which its professors are bringing to bear upon some of the most impor- tant questions in physiology , and their habits of investigation and knowledge of the nature of the forces ...
... Organic chemistry has accumulated a vast array of facts which its professors are bringing to bear upon some of the most impor- tant questions in physiology , and their habits of investigation and knowledge of the nature of the forces ...
Pagina ix
... organic constitu- tion ; indeed , the acknowledged degrees of hybridity are best explained on Darwin's theory . Darwin insists upon time for the changes by natural selection ; and no one will pretend , at the pres- ent day , to date ...
... organic constitu- tion ; indeed , the acknowledged degrees of hybridity are best explained on Darwin's theory . Darwin insists upon time for the changes by natural selection ; and no one will pretend , at the pres- ent day , to date ...
Pagina 73
... organic matter . Professor Letheby estimates this acid at one - half to six per cent . of the oil . Bethell's process subjects the timber and dead oil , enclosed in huge iron tanks , to a pressure varying from one hundred to two hundred ...
... organic matter . Professor Letheby estimates this acid at one - half to six per cent . of the oil . Bethell's process subjects the timber and dead oil , enclosed in huge iron tanks , to a pressure varying from one hundred to two hundred ...
Pagina 91
... organic principles and of salts ( phosphate and chloride of potassium ) . All of these together are called the extractives of meat . To this second series of substances beef - tea owes its flavor and efficacy ; the same being the case ...
... organic principles and of salts ( phosphate and chloride of potassium ) . All of these together are called the extractives of meat . To this second series of substances beef - tea owes its flavor and efficacy ; the same being the case ...
Pagina 188
... organic substances absorbed by the acid . The residue was then com- pletely carbonized , and the ash examined . It contained traces of metals precipitable by H2S ( Pb , Sn , or Cu ? ) . The aqueous extract of the ash contained Na ...
... organic substances absorbed by the acid . The residue was then com- pletely carbonized , and the ash examined . It contained traces of metals precipitable by H2S ( Pb , Sn , or Cu ? ) . The aqueous extract of the ash contained Na ...
Overige edities - Alles bekijken
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art Volledige weergave - 1857 |
Veelvoorkomende woorden en zinsdelen
acid action Albertite American amount aniline animal appears atmosphere bitumen body bolide bright lines cable carbonic carbonic acid cause centimetres chemical chloride cloth coal color combustion containing copper cylinder dark diameter distance earth effect electricity engine existence experiments exposed fact feet flame force furnace gaseous glass gun-cotton heat hundred hydrogen inches increase infusoria iron lake light magnesium mass material matter means meat mechanical metal metres miles minute muscle muscular nebula nitrate nitrogen nitroglycerine object observations obtained ordinary oxide oxygen ozone paper Parkesine phosphorus photographs plants plate portion potash pounds present produced Prof quantity rocks salt Science Scientific Scientific American shot silicate soda sodium sodium amalgam solar solution species spectra spectrum stars steam steel substance sulphate sulphur sulphuric acid surface telescope temperature tion tube tunnel vapor vessels weight zinc
Populaire passages
Pagina 303 - When the ether spray thus produced is directed upon the outer skin, the skin is rendered insensible within a minute; but the effects do not end here. So soon as the skin is divided, the ether begins to exert on the nervous filaments the double action of cold and of etherization : so that the narcotism can be extended deeply to any desired extent. Pure rectified ether used in this manner is entirely negative ; it causes no irritation, and may be applied to a deep wound, as I shall show, without any...
Pagina 261 - a special mineralization producing a bituminous matter instead of coal or lignite. This operation is not attributable to heat, nor of the nature of a distillation, but is due to chemical reactions at the ordinary temperature, and under the normal conditions of climate.
Pagina 199 - For the sick-room, free ventilation, when it can be secured, together with an even temperature, is all that can be required. " 2. For rapid deodorization and disinfection, chlorine is the most effective agent known. "3. For steady and continuous effect ozone is the best agent known. "4, In the absence of ozone, iodine exposed, in the solid form, to the air is the best.
Pagina 344 - They may be gaseous nebulae, which by the loss of heat or the influence of other forces have become crowded with portions of matter in a more condensed and opaque condition. 6. If the observations of Lord...
Pagina 20 - I sat in the electricians' room, a flash of light came up from the deep, which having crossed to Ireland, came back to me in mid-ocean, telling that those so dear to me, whom I had left on the banks of the Hudson, were well, and following us with their wishes and their prayers. (Applause.) This was like a whisper of God from the sea, bidding me keep heart and hope.