نتایج جستجو برای: contrast medias

تعداد نتایج: 393826  

Journal: :Trabajos de Estadistica y de Investigacion Operativa 1982

Journal: :Questions de communication 2002

Journal: :Revista Científica General José María Córdova 2023

Con el fin de la Guerra Fría, potencias emergentes como Brasil, China, India, Rusia y Turquía han luchado por imponer una voz en denominada gobernanza global. Como consecuencia, sistema internacional, aunque marcado aún hegemonía estadounidense, parece estar cambiando. De hecho, desde principios década del 2000, Brasil incrementado su participación global, hasta punto alcanzar cierta legitimida...

1998
Nicolas B. Piller Olivier J.F. Martin

Ž . This paper presents an extension of the generalized multipole technique GMT for 2D anisotropic scatterers. New expansions similar to the Bessel multipole expansion are derived for arbitrary anisotropic media. Numerical simulations prove the accuracy and the rapid convergence of these expansions. As the results obtained are extremely accurate, this technique is most helpful for the evaluatio...

Introdution: Vitality of periodontal ligament (PDL) cells is very critical for replantation of complete avulsion teeth due to traumatic injuries. This is important for transferring an avulsed tooth to clinic for replantation that which Medias used for storage.This study aimed to compare the vitality of PDL cells of sheep teeth cultured in different storage medias including α-Minimum Essential M...

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