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    Article

    Edelmetalle

    M. I. Perié, M. M. Lobunetz, Lucia de Brouckère in Zeitschrift für analytische Chemie (1938)

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    Chapter

    Experimental Verifications and Applications of the Theory

    The reader interested in a detailed study of grating properties and grating manufacturing problems can refer to several now well-known papers [6.1-3]. We must lay stress on the fact that the properties describ...

    D. Maystre, M. Nevière, R. Petit in Electromagnetic Theory of Gratings (1980)

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    Chapter

    A Tutorial Introduction

    This chapter is especially devoted to beginners, that is to say to those who are perhaps experienced in optics but who are not specialists in microwave theory. We first derive the well-known grating formula fr...

    R. Petit in Electromagnetic Theory of Gratings (1980)

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    Article

    The electromagnetic theory of the infinitely conducting wire grating using a Fourier-Bessel expansion of the field

    J. Y. Suratteau, R. Petit in International Journal of Infrared and Millimeter Waves (1984)

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    Article

    Numerical study of perfectly conducting wire gratings in the resonance domain

    Using the Hamiltonian method that we have recently proposed [1, 2] and which is described in the IEEE transactions on antennas and propagation [3], we give some theoretical data related to perfectly conductor ...

    J. Y. Suratteau, R. Petit in International Journal of Infrared and Millimeter Waves (1985)

  6. Article

    La chirurgie non prothétique de la coxarthrose

    R. Petit in Orthopédie Traumatologie (1991)

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    Article

    Les reprises d'ostéotomies après deux ans

    Les reprises d'ostéotomies par prothèse totale réalisées après la deuxième année post-opératoire n'ont pas le caractère d'échec formel des réinterventions plus précoces. Néanmoins, nous estimons que seules les...

    R. Petit in Orthopédie Traumatologie (1991)

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    Article

    168 interventions non prothétiques pour coxarthrose

    Nos 168 hanches opérées se répartissent entre 102 hanches féminines et 66 hanches masculines. 22 patients ont été opérés des deux côtés. L'on retrouve une majorité de lésions dysplasiques chez les femmes dont ...

    R. Petit in Orthopédie Traumatologie (1991)

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    Article

    Ostéotomie intertrochantérienne de translation interne selon McMurray

    Réalisée chez 19 patients de la série de 168 cas de coxarthrose confirmée étudiés, l'ostéotomie intertro-chantérienne selon McMurray, a été retenue chez des patients présentant une coxarthrose centrée et couve...

    R. Petit in Orthopédie Traumatologie (1991)

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    Article

    Conclusions générales

    R. Petit in Orthopédie Traumatologie (1991)

  11. Article

    Que reste-t-il comme indications au traitement chirurgical non prothétique de la coxarthrose

    R. Petit in Orthopédie Traumatologie (1991)

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    Article

    Ostéotomies de flexion

    L'ostéotomie de flexion céphalique décrite par P. Teinturier a été réalisée sur six hanches chez cinq patients. Les résultats antalgiques à court terme ont été très satisfaisants mais peu durables. Quatre hanc...

    R. Petit in Orthopédie Traumatologie (1991)

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    Article

    La prothèse P.R.A.

    Les échecs des implants fémoraux relèvent en très grande majorité de causes mécaniques. La conception de l'implant fémoral PRA exploite l'analyse des échecs observés et publiés, les études biomécaniques, les d...

    R. Petit in Orthopédie Traumatologie (1992)

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    Article

    La prothèse de genou non contrainte HERMES

    The method of total knee replacement developed by Pr. J.M. Cloutier is based on the concept that both cruciate ligaments should be retained in order to allow physiological motion of the knee. The design of the...

    R. Petit in Orthopédie Traumatologie (1993)

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    Article

    Revêtement des implants prothétiques par l'hydroxyapatite

    La synthèse chimique de l'hydroxyapatite de calcium donne un cristal de composition très voisine de l'hydroxyapatite naturelle, trame minérale de toute structure osseuse. La poudre ainsi obtenue est fixée par ...

    R. Petit in Orthopédie Traumatologie (1993)

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    Article

    Use of a coral graft in superior metaphyseal osteotomies of the tibia

    Since 1980 we have performed valgus tibial osteotomies by a closing wedge. The osteosynthesis was always made with staples, and weight-bearing was resumed the day after operation, protected by a whalebone spli...

    R. Petit, Ph. Segal in European Journal of Orthopaedic Surgery & Traumatology (1997)

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    Article

    Bony allografts and prosthetic replacement of the acetabular aspect of the hip

    51 cases of repeat hip replacement have been reviewed, using allografts for acetabular bone loss, stages 2 and 3 (27 lyophilised and 24 deep-frozen). Mean follow-up was 4 years. Loosening was the reason for in...

    C. Schwartz, A. Raye, R. Petit in European Journal of Orthopaedic Surgery & Traumatology (1997)

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    Article

    Applications harmoniques, applications pluriharmoniques et existence de 2-formes parallèles non nulles

    In this paper we study harmonic maps from a compact riemannian manifold equiped with a non trivial parallel 2-form, to a Kähler manifold of strongly negative curvature tensor or a riemannian manifold of stric...

    A. El Soufi, R. Petit in Commentarii Mathematici Helvetici (1998)

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    Article

    Hydroxyapatite and revision of femoral hip prostheses

    Implants coated with hydroxyapatite (HA) are of very special importance in revisions of total hip prostheses. As far as the fernur is concerned, the rapid bony reconstruction due to the osteoconductive propert...

    R. Petit in European Journal of Orthopaedic Surgery & Traumatology (1999)

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    Article

    The use of hydroxyapatite in orthopaedic surgery: A ten-year review

    Hydroxyapatite (HA), which constitutes 65% of the mineral component of human bone, is a crystalline structure whose synthesis was achieved at the beginning of the century. The development of the technology of ...

    R. Petit in European Journal of Orthopaedic Surgery & Traumatology (1999)

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