Results 91 to 100 of about 11,597 (201)

El problema de Behrens-Fisher en la investigación biomédica. Análisis crítico de un estudio clínico mediante simulación [PDF]

open access: yes, 1997
En el artículo se hace una revisión del problema de Behrens-Fisher, discutiendo los fundamentos inferenciales asociados a la dificultad de su resolución y exponiendo las soluciones prácticas más comunes, juntamente con una nueva solución basada en ...
Vegas Lozano, E.
core   +1 more source

Transporte paralelo, geodésicas y derivada covariante [PDF]

open access: yes, 2005
En un espacio euclídeo dos vectores de diferente origen son comparados por traslación paralela de uno o de ambos vectores a un mismo origen, por lo tanto podemos tratar encontrar cual es la tasa de cambio de un campo vectorial Y sobre alguna variedad M a
Huérfano, Stella, Meneses, Francisco
core  

The small and large lags of the elastic and anelastic tides. The virtual identity of two rheophysical theories

open access: yes, 2015
The aim of this letter is to discuss the virtual identity of two recent tidal theories: the creep tide theory of Ferraz-Mello (Cel. Mech. Dyn. Astron. 116, 109, 2013) and the Maxwell model developed by Correia et al. (Astron. Astrophys.
Ferraz-Mello, Sylvio
core   +1 more source

Assessment of soil compaction properties based on surface wave techniques

open access: yesE3S Web of Conferences, 2018
Soil compaction plays an important role in every construction activities to reduce risks of any damage. Traditionally, methods of assessing compaction include field tests and invasive penetration tests for compacted areas have great limitations, which ...
Jafri Nur Jihan Syamimi   +6 more
doaj   +1 more source

A Massive Proximal Tibia Geode - Can we Afford to Miss it? [PDF]

open access: yesJ Orthop Case Rep, 2023
Amirthalingam S   +2 more
europepmc   +1 more source

Precision orbit computations for an operational environment [PDF]

open access: yes
Taking advantage of the improvements to the Earth's gravitation field and tracking station coordinates, an orbital computational consistency of the order of 5 meters was achieved for total position differences between orbital solutions for the Seasat and
Doll, C. E., Eggert, D. F., Smith, R. L.
core   +1 more source

A case for inherent geometric and geodetic accuracy in remotely sensed VNIR and SWIR imaging products [PDF]

open access: yes
Significant aberrations can occur in acquired images which, unless compensated on board the spacecraft, can seriously impair throughput and timeliness for typical Earth observation missions.
Driver, J. M.
core   +1 more source

Long-term outcomes of coracoid bone block osteolysis: case report. [PDF]

open access: yesPan Afr Med J, 2022
Floquet A, Roulet S, Favard L.
europepmc   +1 more source

On a periodic solution of the central differential equation in the relativity theory of gravitation [PDF]

open access: yes
Periodic solution of central differential equation in relativity theory of ...
Ghaffari, A.
core   +1 more source

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