Circular of the Bureau of Standards, Masalah 24U.S. Government Printing Office, 1922 |
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Halaman 39
... committee in 1910 the work on the silver voltameter was continued for the purpose of comparing the porous pot and the Smith forms of voltameters and to obtain such further data as were necessary for writing the specifications . The ...
... committee in 1910 the work on the silver voltameter was continued for the purpose of comparing the porous pot and the Smith forms of voltameters and to obtain such further data as were necessary for writing the specifications . The ...
Halaman 46
... committee of the American Chemical Society . A thermoelectric method for determining platinum purity has been devised which does not mar the material tested , and applied to 164 samples . Methods for determining exactly losses in weight ...
... committee of the American Chemical Society . A thermoelectric method for determining platinum purity has been devised which does not mar the material tested , and applied to 164 samples . Methods for determining exactly losses in weight ...
Halaman 51
... committee of the American Chemical Society , on the loss in weight on heating of platinum crucibles of various makes and degrees of purity . The results obtained should prove of considerable value to the analytical chemist in aiding him ...
... committee of the American Chemical Society , on the loss in weight on heating of platinum crucibles of various makes and degrees of purity . The results obtained should prove of considerable value to the analytical chemist in aiding him ...
Halaman 98
... committee composed of representatives from technical and in- dustrial organizations and a number of expert contracting plasterers . The plans of this committee materialized in the erection in 1915 of a test structure 200 by 26 by 24 ...
... committee composed of representatives from technical and in- dustrial organizations and a number of expert contracting plasterers . The plans of this committee materialized in the erection in 1915 of a test structure 200 by 26 by 24 ...
Halaman 102
... committee of the American Society for Testing Materials . ( Feb. 17 , 1917. ) 37 pp . Price , 10 cents . T87 . Recovery of Paraffin and Paper Stock from Waste Paraffin Paper .. ..... W . H. Smith In order to recover the paraffin and ...
... committee of the American Society for Testing Materials . ( Feb. 17 , 1917. ) 37 pp . Price , 10 cents . T87 . Recovery of Paraffin and Paper Stock from Waste Paraffin Paper .. ..... W . H. Smith In order to recover the paraffin and ...
Edisi yang lain - Lihat semua
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...