Circular of the Bureau of Standards, Masalah 24U.S. Government Printing Office, 1922 |
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Halaman 85
... manufacture of fire brick . These samples included fire - clay brick , bauxite brick , silica brick , mag- nesia brick , chromite brick , kaolin , pure alumina , pure silica , bauxite , bauxite clay , and chromite . The materials were ...
... manufacture of fire brick . These samples included fire - clay brick , bauxite brick , silica brick , mag- nesia brick , chromite brick , kaolin , pure alumina , pure silica , bauxite , bauxite clay , and chromite . The materials were ...
Halaman 86
... Manufacture of Lime . .W . E. Emley An account of the methods of lime manufacture at various plants , in- cluding a description of the plants . ( Jan. 1 , 1913. ) 130 pp . Price , 25 cents . T17 . The Function of Time in the ...
... Manufacture of Lime . .W . E. Emley An account of the methods of lime manufacture at various plants , in- cluding a description of the plants . ( Jan. 1 , 1913. ) 130 pp . Price , 25 cents . T17 . The Function of Time in the ...
Halaman 87
... manufactured . ( Apr. 1 , 1913. ) 31 pp . Price , 10 cents . T20 . Determination of Sulphur in Illuminating Gas .. .... ..R . S. McBride and E. R. Weaver Six common forms of apparatus or modifications of these were tested ; the results ...
... manufactured . ( Apr. 1 , 1913. ) 31 pp . Price , 10 cents . T20 . Determination of Sulphur in Illuminating Gas .. .... ..R . S. McBride and E. R. Weaver Six common forms of apparatus or modifications of these were tested ; the results ...
Halaman 92
... manufacture of tile to be exposed in concentrated alkali soils . No further conclusions can be drawn until additional results are available . ( July 22 , 1915. ) 56 pp . [ Superseded by T95 . ] T45 . A Study of Some Recent Methods for ...
... manufacture of tile to be exposed in concentrated alkali soils . No further conclusions can be drawn until additional results are available . ( July 22 , 1915. ) 56 pp . [ Superseded by T95 . ] T45 . A Study of Some Recent Methods for ...
Halaman 96
... manufacture if a concrete of known quality is to be produced . Both Fuller's method of graduation to a “ theo- retical curve " and the " void " method of proportioning the constituents of concrete to obtain maximum strength were found ...
... manufacture if a concrete of known quality is to be produced . Both Fuller's method of graduation to a “ theo- retical curve " and the " void " method of proportioning the constituents of concrete to obtain maximum strength were found ...
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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...