Circular of the Bureau of Standards, Masalah 24U.S. Government Printing Office, 1922 |
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Halaman 2
... materials . The results of these investigations are published in pamphlet form , and in the following pages is given a descriptive list of these papers . The papers are issued in five separate series ( 1 ) Scientific Papers , ( 2 ) ...
... materials . The results of these investigations are published in pamphlet form , and in the following pages is given a descriptive list of these papers . The papers are issued in five separate series ( 1 ) Scientific Papers , ( 2 ) ...
Halaman 5
... material , condition of surface , nature , and density of surrounding gas , the current tends to pass more easily in one direction than in the reverse , thus giving an excess of current in one direction . ( July 15 , 1904. ) 6 pp ...
... material , condition of surface , nature , and density of surrounding gas , the current tends to pass more easily in one direction than in the reverse , thus giving an excess of current in one direction . ( July 15 , 1904. ) 6 pp ...
Halaman 11
... materials in which it exists in minute traces and of determining it colorimetrically as sulphocyanate ( Jan. 20 , 1907. ) 42 pp . Price , 10 cents . $ 54 . On Sulphocyanic Acid ..... .H . N. Stokes and J. R. Cain An improved method of ...
... materials in which it exists in minute traces and of determining it colorimetrically as sulphocyanate ( Jan. 20 , 1907. ) 42 pp . Price , 10 cents . $ 54 . On Sulphocyanic Acid ..... .H . N. Stokes and J. R. Cain An improved method of ...
Halaman 13
... 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 . Calorimetric Resistance ...
... 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 . Calorimetric Resistance ...
Halaman 18
... material 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 ...
... material 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 ...
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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
Bagian yang populer
Halaman 98 - AA Klein) Constitution and microstructure of silica brick and changes involved through repeated burnings at high temperatures, US Bur.
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...