Journal of the Physical Society of Japan
Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015
Volume 10, Issue 10
Displaying 1-21 of 21 articles from this issue
  • Masayoshi Ninomiya
    1955 Volume 10 Issue 10 Pages 829-836
    Published: October 05, 1955
    Released on J-STAGE: June 01, 2007
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    The (0, 1), (0, 0) and (1, 0) bands of the CrO, which appear in the red and yellow region, are analysed rotationally, and we have been able to show that these bands owe to the transition 5Π−5Π. We have shown the theoretical formulae for the quintet state, which can be applied in the case of nearly (a), and obtained the molecular constants as follows,
    Be″=0.5286±0.0002 cm−1
    Be′=0.4750±0.0002 cm−1
    α″=0.0050 cm−1
    α′=0.0057 cm−1
    re″=1.627×10−8 cm
    re′=1.716×10−8 cm
    A″=110 cm−1
    A′=100 cm−1
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  • Shoko Chiba
    1955 Volume 10 Issue 10 Pages 837-842
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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    In the present paper, studies on the phase diagram and magnetic properties of FeTe system are reported. It was found by X-ray and thermal analysis that a number of intermetallic compounds are formed from melt through peritectic reactions, and an eutectoid reaction was seen to occur between two compounds α (ca FeTe) and β (ca FeTe2) at 520°C, the reactions product having NiAs structure. The α phase shows an antiferromagnetic behavior with asymptotic Curie temperature θ=130°K, Curie-Weiss constant C=0.57, but the crystal lattice type of this compound is obscure at present. The β phase has a crystal lattice of the markasite type and is antiferromagnetic, with θ=67°K and C=1.31. The γ phase which has a crystal lattice of the NiAs type shows an antiferromagnetic behavior, with θ=800°K and C=1.15. A short discussion on the antiferromagnetism of these compounds is given.
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  • S\={o}shin Chikazumi, Tatsur\={o} Oomura
    1955 Volume 10 Issue 10 Pages 842-849
    Published: October 05, 1955
    Released on J-STAGE: June 01, 2007
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    The magnitude of magnetic anisotropy induced by the magnetic annealing was measured as a function of composition for iron-nickel alloys. It is concluded that the magnitude of the anisotropy is proportional neither to the magnetostriction nor to the saturation magnetization. The origin of this anisotropy, therefore, can be explained neither by the theory of “ strain of directional order ” nor by the theory of “ elongated order phase ”. The result can be consistently explained by the dipole-dipole interaction in directionally ordered arrangement of atoms. The result is compared with Néel’s formulas.
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  • Isao Oshida, Yuzuru Ooshika, Reikiti Miyasaka
    1955 Volume 10 Issue 10 Pages 849-859
    Published: October 05, 1955
    Released on J-STAGE: June 01, 2007
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    The infrared spectra of OH or NH groups in hydrogen bonds in 3μ region are divided into two (or three) types according to their wavelengths and intensities. The first group is of the alcoholic type, and the second group is observed when conjugated π-electron systems combine the hydrogen bonds and when the effect of the proton transfer across the hydrogen bond and the “ Antenna Effect ” are important. Qualitative discussions on the proton transfer are developed and numerical calculations are carried out with simple symmetrical double minimum potentials. The linear combination method solving such problems is shown to be numerically incorrect, though it is convenient for a qualitative consideration. Further evidence and biological importance of the hydrogen transfer participating π-electron systems are discussed.
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  • Ikuro Shimose
    1955 Volume 10 Issue 10 Pages 860-864
    Published: October 05, 1955
    Released on J-STAGE: June 01, 2007
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    Generalizing the idea of order-disorder in the alloy theory, we can calculate the unified equation of state for a lattice gas with many interstitial sublattices in the degree of approximation similar to that developed by Bragg-Williams. For n=9 (n is the number of sublattices), the concrete equation of state is estimated and the ratio of the number of molecules belonging to each sublattice to their total number is given as a function of molecular density. Then the critical temperature and density for vapor-liquid transition are estimated for n=4, 9, 16. Furthermore, it is shown that the density region in the stable liquid phase is very narrow for n=4, but that it becomes wider for n=9, 16.
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  • Yoshio Urano
    1955 Volume 10 Issue 10 Pages 864-868
    Published: October 05, 1955
    Released on J-STAGE: June 01, 2007
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    Regarding a bolometer as an active four-terminal network which connects the heat-flow circuit to the electrical circuit, the equivalent circuit of a bolometer is obtained. By means of this equivalent circuit a physical meaning of the dynamic impedance of a bolometer is made clear. Also, the stability considerations of a bolometer circuit is given.
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  • Kinzo Hida
    1955 Volume 10 Issue 10 Pages 869-881
    Published: October 05, 1955
    Released on J-STAGE: June 01, 2007
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    Among many investigations hitherto made by making use of the Tricomi equation of mixed type, a series of investigations by Guderley and his collaborators on the flow at Mach number one have given the most reliable informations.
    In the present paper are presented two singular solutions of the Tricomi equation relating to transonic flow, both of which have a singularity corresponding to a uniform flow at infinity upstream—either subsonic or supersonic— and tend to Guderley’s solution when the Mach number at infinity approaches unity.
    First, the solutions are given formally in integral forms, and then their analytic continuations, which are valid within various portions in the hodograph plane, are studied. Special references are also made to the behaviour of the solution in the vicinity of their singular point.
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  • Kinzo Hida
    1955 Volume 10 Issue 10 Pages 882-889
    Published: October 05, 1955
    Released on J-STAGE: June 01, 2007
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    This paper gives an example of physical applications of our results on some singular solutions of the Tricomi equation.
    Making use of the solution subject to appropriate boundary conditions in the hodograph plane, we have some informations about the asymptotic behaviour of a detached shock wave in a nearly sonic flow, as follows.
    The distance, b, of a detached shock wave from an obstacle and the curvature of a shock at its nose, 1/R, vary, respectively, with such powers of (M−1) as
    1⁄b∝(M−1)2, 1⁄R∝(M−1)3,
    M being the Mach number at infinity.
    In axisymmetrical cases, we can obtain similar results by assuming that the flow behind a detached shock wave may be expressed by the asymptotic solution of the sonic flow due to Guderley and Barish. With the same notations as before, the results are
    1⁄b∝(M−1)2⁄3, 1⁄R∝(M−1)5⁄3.
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  • Yutaka Shigemitsu
    1955 Volume 10 Issue 10 Pages 890-902
    Published: October 05, 1955
    Released on J-STAGE: June 01, 2007
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    As the first stage of developments of our statistical theory of turbulence, fundamental aspects of the similarity laws are investigated through the three cases of isotropic turbulence (A), turbulent wake (B) and turbulent boundary layer (C). In (A), it is first interpreted as the essential character of shearless turbulence that the distribution function F0(u, v, w) takes the form of Gauss function without correlation. Next, the hypothesis of isotropic turbulence due to G. I. Taylor is proved to hold in the case of shearless turbulence with a uniform mean velocity distribution. Then, the hypothesis of similarity preservation introduced first by Kármán-Howarth is derived as one of our theoretical result under the supposition of ideal state. Under this supposition we get the diffusion law L2\ backsimt. The decay law in the initial period u2\ backsimt−1 is derived by taking the vortex chaos motion of α=1. Further, some interpretations are made on the problem of energy transmission from large vortices to small ones. In (B), at first the existence of turbulent shearing stress is interpreted attributed to the form of P-function. Next, the initial-period similarity-law in (A) is extended into this case of shear turbulence. Such theoretical results as u2, v2, -‾uv, U12\ backsimt−1 and L2\ backsimt are derived and compared with experimental measurements. The fundamental hypotheses in transfer theory in this case are derived from this exfended similarity law. Then, the transition phenomenon of similarity law from the initial period to the final period is surveyed experimentally. In (C), the existence of laminar sublayer is first interpreted physically attributed to the stability theory of laminar viscous flow. By introducing such an interpretation, it can be proved that Reynolds stress at a point are not determined as functions of only this point, and the previously derived similarity law in the initial period is developed into the non-decaying type. Theth eoretical result under a constant pressure distribution is compared with experiments. As for the distribution of Prandtl’s mixture length, the relation l(η)\ backsim(η−η0)1⁄2 is derived where η0 corresponds to the boundary of laminar sub-layer.
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  • Ren Shishikura
    1955 Volume 10 Issue 10 Pages 903A
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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  • Sumitada Asano
    1955 Volume 10 Issue 10 Pages 903B-905
    Published: October 05, 1955
    Released on J-STAGE: June 01, 2007
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  • Tadayasu Mitui
    1955 Volume 10 Issue 10 Pages 905-906
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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  • Sh\={u}ichi Iida, Hisashi Sekizawa, Yoshimichi Aiyama
    1955 Volume 10 Issue 10 Pages 907
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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  • Hiroshi Watanabe
    1955 Volume 10 Issue 10 Pages 908-909
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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  • Ken-ichi Hirano, Hideyo Maniwa, Yutaka Takagi
    1955 Volume 10 Issue 10 Pages 909-910
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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  • Susumu Okazaki, Hiroshi Oki
    1955 Volume 10 Issue 10 Pages 910-912
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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  • Kiyoshi Miyake
    1955 Volume 10 Issue 10 Pages 912-913
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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  • Kiyoshi Miyake
    1955 Volume 10 Issue 10 Pages 913-915
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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  • Shin-ichi Kaneko, Tadayoshi Kubozoe, Masaomi Takahata
    1955 Volume 10 Issue 10 Pages 915-916
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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  • Yorisaburo Takaisi
    1955 Volume 10 Issue 10 Pages 916
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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  • Kikusaburo Osada
    1955 Volume 10 Issue 10 Pages 917
    Published: October 05, 1955
    Released on J-STAGE: May 29, 2007
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