Skip to main content

previous disabled Page of 2
and
  1. No Access

    Article

    Fermionic Model with a Non-Hermitian Hamiltonian

    This paper deals with the mathematical spectral analysis and physical interpretation of a fermionic system described by a non-Hermitian Hamiltonian possessing real eigenvalues. A statistical thermodynamical de...

    N. Bebiano, J. da Providência, S. Nishiyama in Brazilian Journal of Physics (2020)

  2. No Access

    Chapter and Conference Paper

    Rock Block Identification and 3D Simplex Integration

    The rock masses are, by nature, discontinuous material that contains many discontinuities such as fractures, joints, faults, shear planes and shear zones. A large number of rock blocks with complex geometry ar...

    J. S. Song, Y. Ohnishi, S. Nishiyama in Computational Mechanics (2009)

  3. No Access

    Article

    Application of structure optimization technique to aluminum beverage bottle design

    This paper deals with shape optimization of two-piece aluminum beverage bottle bottoms by applying the structural optimization technique. Nonlinear finite element analyses were performed to study the influence...

    J. Han, R. Itoh, S. Nishiyama, K. Yamazaki in Structural and Multidisciplinary Optimization (2005)

  4. No Access

    Article

    Optimization of the crushing characteristics of triangulated aluminum beverage cans

    In this study, a cylindrical shell body of the aluminum cans is triangulated and optimized for being folded down easily and safely for recycling. The triangulated cylindrical shell is constructed by a family o...

    J. Han, K. Yamazaki, S. Nishiyama in Structural and Multidisciplinary Optimization (2004)

  5. No Access

    Article

    RPA equation embedded into infinite-dimensional Fock space F

    To clear up both algebraic and geometric structures for integrable systems derived from self-consistent field theory, in particular, geometric aspect of the random-phase-approximation (RPA) equation is exhibit...

    S. Nishiyama, T. Komatsu in Physics of Atomic Nuclei (2002)

  6. No Access

    Article

    A case of systemic lupus erythematosus with severe acute pancreatitis

     A 39-year-old woman with systemic lupus erythematosus (SLE) developed severe acute pancreatitis during a well-controlled disease stage. Treatment with intraarterial injections of antipancreatic enzyme and a s...

    S. Nishiyama, S. Miyawaki, T. Asakawa in Modern Rheumatology (2002)

  7. No Access

    Article

    Yohimbine increases the binding potential for [11C]flumazenil in the monkey brain

    We evaluated the impact of yohimbine administration on benzodiazepine (BDZ) receptor binding in the central nervous system of non-human primates (rhesus monkeys). Estimates of the binding potential (Bmax/Kd) of ...

    T. Matsunaga, H. Tsukada, S. Nishiyama, Y. Sekine in Journal of Neural Transmission (2001)

  8. No Access

    Article

    Predominance of large low density lipoprotein particles and lower fractional esterification rate of cholesterol in high density lipoprotein in children with insulin-dependent diabetes mellitus

    Coronary artery disease (CAD) is a major cause of death in patients with insulin-dependent diabetes mellitus. Qualitative changes in low density lipoprotein (LDL) and high density lipoprotein (HDL) are though...

    T. Ohta, S. Nishiyama, T. Nakamura, K. Saku, K. K. Maung in European Journal of Pediatrics (1998)

  9. No Access

    Article

    Short-range structural analysis of an oxide glass composed of light and heavy elements: 3B2O3-2PbO glass by X-ray diffraction

    Y. Iwadate, T. Hattori, S. Nishiyama, K. Fukushima in Journal of Materials Science Letters (1996)

  10. No Access

    Chapter and Conference Paper

    Computatinal Human Dynamics of Vehicle-Passenger Dynamic Interaction on a Highway Bridge

    Recently, traffic flows have shown a tendency to increase in number, and the size and speed of automobiles also have shown a tendency to increase. On the other hand, by means of the development of new material...

    S. Nishiyama in Computational Mechanics ’95 (1995)

  11. No Access

    Chapter and Conference Paper

    Brain and spinal MRI in patients with systemic lupus erythematosus

    We have examined 80 patients with systemic lupus erythematosus. Of 127 head MRI studies 75 showed parenchymal changes. Brain MRI findings were classified roughly into six groups: multiple high-intensity spots ...

    S. Kan, T. Ikeda, S. Katagiri, S. Nishiyama in Proceedings of the XV Symposium Neuroradio… (1995)

  12. No Access

    Article

    X-ray diffraction study of the short-range structure of a quasi-quarternary SiO2-Na2O-CaO-MgO glass

    Y. Iwadate, T. Hattori, S. Nishiyama, K. Fukushima in Journal of Materials Science Letters (1995)

  13. No Access

    Article

    Characterization of perovskite-type GdFeO3 powders prepared by amorphous citrate process

    T. Hattori, S. Nishiyama, Y. Kishi, Y. Iwadate in Journal of Materials Science Letters (1993)

  14. No Access

    Article

    Identification of antiphospholipid antibodies in systemic lupus erythematosus on thin layer chromatography and immunostaining

    I. Katayama, Y. Hamada, K. Otoyama, S. Nishiyama in Archives of Dermatological Research (1991)

  15. No Access

    Article

    In situ expression of messenger RNA of interleukin-1 and interleukin-6 in psoriasis: interleukin-6 involved in formation of psoriatic lesions

    Psoriasis is a disease of abnormal proliferation and differentiation of epidermal cells. Several cytokines released by keratinocytes are implicated as factors responsible for this pathological condition of the...

    Y. Ohta, I. Katayama, T. Funato, H. Yokozeki in Archives of Dermatological Research (1991)

  16. No Access

    Article

    MRI of mediastinal cavernous hemangioma

    A cavernous hemangioma of the anterior mediastinum was studied by CT and MRI. CT did not give the diagnosis of the vascular tumor but MRI demonstrated the morphology of the vascular tumor. MRI is very useful f...

    Dr. K. Ishii, K. Maeda, M. Hashihira, Y. Miyamoto, K. Kanegawa in Pediatric Radiology (1990)

  17. No Access

    Article

    Membrane attack complex of complement in Henoch-Schönlein purpura skin and nephritis

    The present study using direct immunofluorescence with monoclonal antibodies to C5b-9 complex-related antigens was undertaken to determine whether complement activation in Henoch-Schönlein purpura (HSP) causes...

    S. Kawana, G. H. Shen, Y. Kobayashi, S. Nishiyama in Archives of Dermatological Research (1990)

  18. No Access

    Article

    Anticardiolipin antibody in Henoch-Schönlein purpura and related vascular disorders

    I. Katayama, M. Masuzawa, K. Nishioka, S. Nishiyama in Archives of Dermatological Research (1989)

  19. No Access

    Article

    Microscopic theory of large-amplitude collective motions based on theSO(2N+1) lie algebra of the fermion operators

    A microscopic theory of large-amplitude collective motions is proposed on the basis of theSO(2N+1) Lie algebra of the fermion operators. Following the idea of Kuriyama-Yamamura, a canonical condition for collecti...

    S. Nishiyama in Il Nuovo Cimento A (1965-1970) (1988)

  20. No Access

    Chapter and Conference Paper

    New Toxic Dermatoses

    We have studied 149 patients with polyclonal biphenyls (PCB) poisoning in Taiwan for evaluation of the distinctive clinical features and determination of blood PCB. The initial signs of poisoning were hypersec...

    J. M. de Moragas, S. Nishiyama, K. H. Schulz, W. M. Li in Dermatology in Five Continents (1988)

previous disabled Page of 2