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    Particle Flow Analysis of Acoustic Emission Features of Rock under Rock Burst Stress Path by Yalei Wang, Jinming Xu

    Published 2022-01-01
    “…It shows that the unloading direction of rock may produce strong dilatation deformation during rock burst; with the increase of confining pressure, the more obvious dilatation deformation and the more possibility of serious rock burst to occur; the unloading failure of rock reveals that rock burst is a mixed failure of tensile and shear, and the tensile cracks account for about 70%; the number of AE events of rock unloading failure occur at the top and bottom of the rock first and then expand rapidly to the middle part until the rock is completely destroyed; in the process of rock burst, AE rupture strength is relatively concentrated, the number of AE events surge obviously, and the number of AE events in surge period account for more than 80% of all AE events. …”
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  14. 2554

    Migración, trabajo y nación. El lugar de Colombia en los estudios sobre las migraciones a América Latina1 by Jhojan Alejandro Díaz-Rico

    Published 2022-01-01
    “…Identifico dos perspectivas de análisis: la primera de corte socioeconómica, que surge en 1990, y que privilegia un análisis de las actividades laborales de los inmigrantes; la segunda de carácter sociocultural, la cual surge en la década del 2000 y estudia la manera en que los ideales racializados de construcción de las naciones Latinoamericanas afectaron la recepción y los procesos de integración de los inmigrantes. …”
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    A Comparison Between Cool Chromospheric and Hot Coronal Jets by Ehsan Tavabi, Azam Mollatayefeh

    Published 2023-10-01
    “…The similarities between Ca and x-ray jets suggest that their formation mechanism should be the same. Surges are almost cool plasma jets and are usually observed in Hα at ground-based observation, space observations also detect Surges. …”
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