The Chemical News and Journal of Physical Science, Volúmenes33-34Griffin, Bohn and Company, 1876 |
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Página 1
... effect upon the electric resistance of selenium of the light in different parts of the spectrum . He found that in the solar spec- trum the conductivity is least in the violet , and increases as the red is approached , attaining its ...
... effect upon the electric resistance of selenium of the light in different parts of the spectrum . He found that in the solar spec- trum the conductivity is least in the violet , and increases as the red is approached , attaining its ...
Página 6
... effects its pur- pose completely , though slowly , within four to six days , thus strikingly illustrating the great ... effect of the sun's rays will be in reality- R + r + r ' 2 Now although this assumption may in the average of a ...
... effects its pur- pose completely , though slowly , within four to six days , thus strikingly illustrating the great ... effect of the sun's rays will be in reality- R + r + r ' 2 Now although this assumption may in the average of a ...
Página 7
... effect might very easily be estimated to one - hundredth of the whole , while the same thermometer would serve for all the temperatures likely to occur in these islands during the course of the year . I ought to add that a pasteboard ...
... effect might very easily be estimated to one - hundredth of the whole , while the same thermometer would serve for all the temperatures likely to occur in these islands during the course of the year . I ought to add that a pasteboard ...
Página
... effect . As proof of this statement - and in- cidentally we must add , as a confirmation of the remark that ... effects of irrigation with clean water , applied , moreover , only when needed by the crops , what must be the results of ...
... effect . As proof of this statement - and in- cidentally we must add , as a confirmation of the remark that ... effects of irrigation with clean water , applied , moreover , only when needed by the crops , what must be the results of ...
Página 16
... effect on my mind , he wrote- " I have the honour to inform you that the Senatus Academicus of the University ( sic ) has instructed me to state that the degree you applied for will be granted you on receipt of the fees . " This ...
... effect on my mind , he wrote- " I have the honour to inform you that the Senatus Academicus of the University ( sic ) has instructed me to state that the degree you applied for will be granted you on receipt of the fees . " This ...
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acetic acetic acid action al-Khazini alcohol alizarin alkali ammonia ammonium amount analysis anemometer aniline aniline-black anthracen apparatus bilirubin biliverdin body boiling bromine calcium carbonic acid caustic cent Chemical Society chemistry chemists chlorate chloride colour compound condensation containing copper crystallisation cyanide cyanogen decomposed decomposition described dilute dissolved distilled electricity employed ether evaporation examination experiments filter filtrate furnace gases give glass grms heat hydrate hydrochloric acid hydrogen Improvements inches insoluble iron kilos light lime liquid litre London manganese manufacture matter means mercury metal meteorites method mixture nitrate nitric acid nitrogen observed obtained ordinary oxide oxidised oxygen paper passed phosphate phosphoric acid platinum potash potassium precipitate present produced Prof pure quantity radiometer reaction researches residue Royal salt sample selenium soda sodium soluble solution substance sugar sulphate sulphide sulphuric acid temperature tion tube vanadium vapour whilst zinc
Pasajes populares
Página 70 - God, that men should put an enemy in their mouths to steal away their brains! that we should, with joy, pleasance, revel and applause, transform ourselves into beasts!
Página 75 - Chemistry, Medicine, Surgery, and the Allied Sciences. A Dictionary of Chemistry and the Allied Branches of other Sciences.
Página 48 - President, in the Chair. THE minutes of the previous meeting having been read and confirmed, the presents of books made to the Society were announced, and the donors thanked ; after which Messrs.
Página 196 - ... committees for the several sections before the beginning of the meeting. It has therefore become necessary, in order to give an opportunity to the committees of doing justice to the several communications, that each author should prepare...
Página 206 - THE PHILOSOPHY OF Music ; being the substance of a Course of Lectures delivered at the Royal Institution of Great Britain in February and March 1877. By William Pole, FRS, FRSE, Mus.
Página 176 - Chemical Technology, or Chemistry in its Applications to the Arts and Manufactures. By THOMAS RICHARDSON and HENRY WATTS.
Página 191 - TATE in the Chair. The following Candidates were elected Members of the Society : — Horatio Waddington, Esq., late Fellow of Trinity College, Cambridge.
Página 265 - Royal will and pleasure, that no resolution, or bye-law, shall on any account or pretence whatsoever be made by the said body politic and corporate in opposition to the general scope, true intent, and meaning of this our Charter, or the laws...
Página 196 - It has therefore become necessary, in order to give an opportunity to the Committees of doing justice to the several communications, that each Author should prepare an Abstract of his Memoir, of a length suitable for insertion in the published Transactions of the Association, and that he should send it, together with the original Memoir, by book-post, on or before August 1 1, addressed thus : — " General Secretaries, British Association, 22 Albemarle Street, London, W.
Página 117 - The apparatus was fitted up in a room specially devoted to it, and was protected on all sides, except where the rays of light had to pass, with cotton-wool and large bottles of water. A heliostat reflected a beam of sunlight in a constant direction, and it was received on an appropriate arrangement of slit, lenses, prisms, &c., for projecting a pure spectrum.