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TBE JOURNAL OF THE SOOIE'I'Y OF UHEMCAL INDUSTBY. [>tnrcli31,18w. If. R. l'rocter. I!. 8. l'roetor. \'. \Y. l'roclor. \v. L. Rcllnoldlion. C. 11. Iliddiilc.
π SIMILAR VOLUMES
## Abstract Ono of the dimensioluss numbers which outers into the theory of heat transfer in fluids is the Prandtl number. This is defined by the relation: where p is the specific heat at constant pressure, Ξ· is the viscosity and ΞΊ is the thermal conductivity of the fluid. In the case of gases a t
ago tlic largest phiit in Noiwray was of oidy 120 la\\*.$ ca ncity. A nitric ncicl factory at Lcgnnno, ncai ~~i P n n , mliicli hat1 ~iccn rising Pniiliug furnaces rol many ycnrs worked on that restricted scrricc.
A mathematical model is developed estimating sound power \(P\) by use of the scanning method. The scanning is assumed to be slow and for the purposes of the analysis, only simple paths are used. The paper shows that scanning along such paths can be very accurate. The paper discusses the existence of
## Abstract The iodimetric assay method described by Alcino^1^ is shown to be unsound, because of inherent variables which cannot readily be controlled. Arbitrary experimental conditions arc described which afford fairβtoβgood results with the method according to the grade of purity of the penicill