Circular of the Bureau of Standards, Masalah 24U.S. Government Printing Office, 1922 |
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Halaman 11
... preparing sulphocyanic acid , especially for colorimetric iron determinations , with observations on its properties and those of some of its derivatives . ( Jan. 20 , 1907. ) 5 pp . Price , 5 cents . $ 55 . Radiation from and Melting ...
... preparing sulphocyanic acid , especially for colorimetric iron determinations , with observations on its properties and those of some of its derivatives . ( Jan. 20 , 1907. ) 5 pp . Price , 5 cents . $ 55 . Radiation from and Melting ...
Halaman 13
... preparation and purification of the materials employed , based in the main on the results obtained in an investigation on the reproducibility and constancy of both types . ( See S70 . ) ( Aug. 16 , 1907. ) 18 pp . Price , 5 cents . $ 68 ...
... preparation and purification of the materials employed , based in the main on the results obtained in an investigation on the reproducibility and constancy of both types . ( See S70 . ) ( Aug. 16 , 1907. ) 18 pp . Price , 5 cents . $ 68 ...
Halaman 15
... Preparation of Chloroplatinic Acid by Elec- trolysis of Platinum Black .. ..H . C. P. Weber A method of preparing chloroplatinic acid free from nitric acid by the electrolysis of finely divided platinum in concentrated hydrochloric acid ...
... Preparation of Chloroplatinic Acid by Elec- trolysis of Platinum Black .. ..H . C. P. Weber A method of preparing chloroplatinic acid free from nitric acid by the electrolysis of finely divided platinum in concentrated hydrochloric acid ...
Halaman 17
... prepared for the London Electrical Conference of 1908 on the relative merits of the standard cell and the silver voltameter as funda- mental electrical standards . The superiority of the Weston standard cell in the light of the evidence ...
... prepared for the London Electrical Conference of 1908 on the relative merits of the standard cell and the silver voltameter as funda- mental electrical standards . The superiority of the Weston standard cell in the light of the evidence ...
Halaman 18
... prepared or purified by different methods , including a number of cells exchanged with other investigators , were found in most excellent agree- ment between o ° and 40 ° C. ( The formula proposed has been since adopted by the London ...
... prepared or purified by different methods , including a number of cells exchanged with other investigators , were found in most excellent agree- ment between o ° and 40 ° C. ( The formula proposed has been since adopted by the London ...
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Istilah dan frasa umum
15 cents absorption acid alloys alternating current ammonia analysis Annual reports antenna apparatus Baumé scale Bureau of Standards cadmium calorimeter carbon cell chemical circuits circular clays coaxial coils color commercial concrete condensers constant contains copper curves density described determined Director discussed E. B. Rosa effect electrical electrode electrolysis electromotive force emissivity error experimental formula frequency galvanometer given glass heat hysteresis instrument investigation iron June laboratory lamps linseed oil Louis Cohen magnetic materials mercury metal meters method molybdenite mutual inductance obtained oxide Paint paper gives photometric platinum Portland cement potentiometer Price properties pyrometer radiation reflection resistance resistance thermometer rubber samples scale self-inductance Sept shown silver sodium oxalate solutions specifications spectral spectrum steel tables temperature tests thermometers tion transmission tube tungsten units vanadium vapor various voltage voltameter W. W. Coblentz wave lengths weights and measures wire
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Halaman 84 - Special Studies in Electrolysis Mitigation. IV. A Preliminary Report on Electrolysis Mitigation in Elyria, Ohio, with Recommendations for Mitigation...
Halaman 139 - Specifications and tolerances for weights and measures,, and weighing and measuring devices, adopted by the eleventh annual conference on the weights and measures of the United States, held at the Bureau of Standards, Washington, DC, May 23-26, 1916, and recommended by the Bureau of Standards for adoption by the several States.
Halaman 31 - At all stations the logarithmic decrement per complete oscillation in the wave trains emitted by the transmitter shall not exceed two-tenths, except when sending distress signals or signals and messages relating thereto. USE OF STANDARD DISTRESS WAVE Fifth.
Halaman 18 - ... Concentration Cells Henry S. Carhart 166. The Capacity and Phase Difference of Paraffined Paper Condensers as Functions of Temperature and Frequency Frederick W.
Halaman 14 - The 20° C temperature coefficient of a sample of copper is given by multiplying the number expressing the per cent conductivity by 0.00394.
Halaman 124 - That reasonable variations shall be permitted and tolerance shall be established by rules and regulations made by the Director of the Bureau of Standards and approved by the Secretary of Commerce.
Halaman 9 - Burrows 1 1 8. A Method for Constructing the Natural Scale of Pure Color . . PG Nutting 119. An Approximate Method for the Analysis of EMF. Waves . . PG Agnew 1 20. The Thermoelectric Properties of Tantalum and Tungsten . W . W . Coblentz 121.
Halaman 64 - Relation of the High-Temperature Treatment of High-Speed Steel to Secondary Hardening and Red Hardness...