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The UO 2 –ZrO 2 phase equilibrium system contained no new compounds but was found to contain extensive solid solution. The UO 2 solid solution was cubic and extended up to 52 mole % ZrO 2 . Its lattice parameter varied from 5.46 to 5.32 a.u. with an increasing percentage of ZrO 2 . The zirconia solid solution when exa…
Ferroelectric lead metaniobate, Pb(NbO 3 ) 2 , is structurally distinct from the ABO 3 perovskite‐type ferroelectrics presently known. Dielectric and dilatometric data indicate a 570°C. Curie point. In ceramic form the material can be polarized to retain a piezoelectric constant of the same order of magnitude as that…
Journal of the Physical Society of Japan 76 (2007) 111002 (3 pages) From Yukawa's Pion to Spontaneous Symmetry Breaking Yoichiro Nambu Journal of the Physical Society of Japan 76 (2007) 111005 (9 pages) Theoretical Overview of Flavor Physics A. I. Sanda Progress of Theoretical Physics Vol. 11 No. 4 (1954) pp. 411-424…
Abstract The dissolution of mild steel by warm sulphuric acid with and without organic inhibiting additions has been studied by means of simultaneous measurements of corrosion rate and corrosion potential, and by the determination of true anodic and cathodic polarization curves in the neighbourhood of the natural corr…
Analysis shows that the initial curvature of the distribution curve is always smaller for a polydisperse system than for a monodisperse system than for a monodisperse system. From this information and a knowledge of the position of the asymptote, it appears that the curve for a polydisperse case lies below the curve f…
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The electrical conductivity of black phosphorus has been measured as a function of temperature and pressure up to 350\ifmmode^\circ\else\textdegree\fi{}C and 8000 kg/${\mathrm{cm}}^{2}$. The Hall constant of the same material has been measured as a function of temperature at atmospheric pressure. At low temperatures $…
Abstract An outline is given of the experimental evidence that dislocations normally exist in crystalline solids, that they are formed during crystal growth and that they can move when the crystal is stressed. It is shown also from observations of silver halides that networks of dislocations can be formed, and also fr…
The thermoelectric power of germanium single crystals has been measured in the temperature range 10 to 300\ifmmode^\circ\else\textdegree\fi{}K. $N$-type samples of various impurity content have been investigated. Results show that the thermoelectric power $Q$ decreases with increasing concentration of carriers. A few…
Abstract An account is given of present ideas about the electron orbits in octahedral complexes containing 4d and 5d transition elements, with particular reference to paramagnetic resonance. The complex is treated by the method of molecular orbitals with the assumption that the magnetic carriers are partly in central…
Preliminary studies of the effects of rhenium salts on plants were initi- ated by the junior author at Harvard University during 1946 and 1947 under the direction of Professor K. V. Thimann. The interest in this metal was stimulated by his results in an earlier proj ect testing physiological effects of various unusual…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Chemistry of Bipyrryls. II. The Preparation and Resolution of A 1,1'-Disubstituted 2,2'-Bipyrryl Exhibiting Restricted RotationJames L. A. WebbCite this: J. Org. Chem. 1953, 18, 10, 1413–1417Publication Date (Print):October 1, 1953Publication History Published online1 Ma…
The phase changes which occur on total reflection are modified when a metal plate is placed near and parallel to a totally reflecting boundary. In particular the phase difference between plane waves of equal amplitude, polarized in and perpendicular to the plane of incidence, can be varied from -π through zero and up…