Bulletin of the Bureau of Standards, Volumen8U.S. Government Printing Office, 1913 Contains results of investigations, researches, etc., pertaining to scientific, technical and manufacturing interests of the country. |
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Bulletin of the Bureau of Standards, Volumen8 United States. Bureau of Standards Vista completa - 1913 |
Términos y frases comunes
accuracy accurate acid adjustment alternating current approximately balance bridge bulb Bulletin calculated capacity cent Chem circles circuit coaxial coefficients computation conductor connectors constant correction deflection potentiometer determined diameter difference E. B. Rosa Edgar Buckingham effective inductance Electrical Electrodynamometer electromotive force elliptic integrals equal equation error example expression fadenthermometer fixed coils force frequency galvanometer given gives heat L. W. Austin layer length Louis Cohen magnetic manganese measured mercury method microhenrys moving coil mutual inductance Nagaoka's number of turns observed obtained ohms oxalic acid P. G. Nutting parallel permanganate phase angle potential potentiometer r₁ radii radius ratio reading resistance rheostat scale self-inductance shunt sodium oxalate solenoid solution standard cell Stefan's formula stem Sulphur Table temperature terminals thermometer Thomson bridge tion titration tube variation W. W. Coblentz winding wire zero Δι
Pasajes populares
Página 625 - C. by the time the end point is reached. (More rapid cooling may be prevented by allowing the beaker to stand on a small asbestoscovered hot plate during the titration. The use of a small thermometer as a stirring rod is most convenient...
Página 432 - HC Dickinson, EF Mueller, and EB George 136. On the Definition of the Ideal Gas Edgar Buckingham 137. Mica Condensers as Standards of Capacity Harvey L. Curtis 138. The Mutual Induction of Two Parallel Coaxial Circles in Terms of Hypergeometrical Series Frederick W.
Página 625 - Titrate at once with the potassium permanganate solution, stirring the liquid vigorously and continuously. The permanganate must not be added more rapidly than 10 to 15 cc. per minute, and the last 0.5 to 1 cc. must be added dropwise with particular care to allow each drop to be fully decolorized before the next is introduced.
Página 430 - A Comparison of the Various Methods of Determining the Ratio of the Electromagnetic to the Electrostatic Unit of Electricity EB Rosa and NE Dorsey 67.
Página 732 - Tests of Absorptive and Permeable Properties of Portland Cement Mortars and Concretes, Together with Tests of Damp Proofing and Waterproofing Compounds and Materials (127 pp.) .... Rudolph J.
Página 600 - Waters. 5. The Effect of High-Pressure Steam on the Crushing Strength of Portland Cement Mortar and Concrete (25 pp.) ; RJ Wig.
Página 697 - X, whose significance may be stated as follows: (1) If a thermometer has been immersed for a long time in a bath whose temperature is rising at a uniform rate, X is the number of seconds between the time when the bath attains any given temperature and the time when the thermometer indicates this temperature. In other words, it is the number of seconds the thermometer "lags...
Página 598 - Rosa 142. A Modified Method for the Determination of Relative Wave Lengths, especially adapted to the Establishment of Secondary Standards Irwin G. Priest 143. Note on the Temperature Scale between 100 and 500° C. CW Waidner and GK Burgess 144. A New Form of Direct-Reading Candlepower Scale and Recording Device for Precision Photometers George W.
Página 432 - WW Coblentz 121. The Estimation of the Temperature of Copper by Means of Optical Pyrometers George K.