Chemical News and Journal of Industrial Science, Tom 34Chemical news office., 1876 |
Z wnętrza książki
Wyniki 6 - 10 z 84
Strona 25
... known the native per- oxide of manganese ( pyrolusite ) has long been employed for this purpose . As long as this mineral was be found in sufficient quantity there was no occasion to seek out any substitute . By degrees the manganese ...
... known the native per- oxide of manganese ( pyrolusite ) has long been employed for this purpose . As long as this mineral was be found in sufficient quantity there was no occasion to seek out any substitute . By degrees the manganese ...
Strona 26
... known , but the only one that I know of as being in use in mines , is the one devised by myself about twenty - five years ago , which is known as the Dickin- son anemometer . By means of this the velocity of the air may be read off at a ...
... known , but the only one that I know of as being in use in mines , is the one devised by myself about twenty - five years ago , which is known as the Dickin- son anemometer . By means of this the velocity of the air may be read off at a ...
Strona 27
... known name of Dr. A. B. Prescott , a list of the works used as authorities , & c . PROCEEDINGS OF SOCIETIES . 27 NEWCASTLE - UPON - TYNE CHEMICAL SOCIETY . General Meeting , March 23rd , 1876 . JOHN PATTINSON , President , in the Chair ...
... known name of Dr. A. B. Prescott , a list of the works used as authorities , & c . PROCEEDINGS OF SOCIETIES . 27 NEWCASTLE - UPON - TYNE CHEMICAL SOCIETY . General Meeting , March 23rd , 1876 . JOHN PATTINSON , President , in the Chair ...
Strona 37
... known , as in those cases where the total quantity of air passing is known by having to pass through an air - pump of certain dimensions , and making a certain number of strokes per minute . When furnaces or fans are used as the ...
... known , as in those cases where the total quantity of air passing is known by having to pass through an air - pump of certain dimensions , and making a certain number of strokes per minute . When furnaces or fans are used as the ...
Strona 41
... known as Rossicler , —very rich , but so difficult to treat in the dry way that many smelters refuse to work them ... known the volume of gas obtained from a known weight of nitre , without it being needful to take account of the ...
... known as Rossicler , —very rich , but so difficult to treat in the dry way that many smelters refuse to work them ... known the volume of gas obtained from a known weight of nitre , without it being needful to take account of the ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetic action al-Khazini alcohol alizarin alkaline alumina amalgam ammonia amount analysis anemometer aniline anthracen anthraquinon apparatus atomic beam benzol bismuth body boiling bromine calcium carbon carbonic acid cent Chemical Notices Chemical Society Chemistry chemists chloric acid chloride College colour compound containing copper coprolites crystallised crystals decomposed decomposition dilute discs dissolved distilled employed ether examination experiments filter filtrate furnace gives glass grms heat hydrochloric acid hydrogen Improvements inches insoluble iodide iodine iron Laboratory light lime liquid litre London manganese manufacture matter mercury metal method mineral mixed mixture nitrogen Notices from Foreign observed obtained ordinary oxide oxygen paper peroxide phosphate phosphorus platinum potash potassa potassium powder precipitate present produced Prof pure radiometer reaction residue salt sample sewage soda sodium soluble solution substance sulphate sulphide sulphuric acid superphosphate surface temperature tion tube vanadium vapour weight whilst yellow zinc