نتایج جستجو برای: 1820

تعداد نتایج: 2174  

Journal: :Revista De Indias 2023

Las primeras décadas del siglo XIX fueron un periodo de profundas transformaciones que modificaron para siempre el dominio español Filipinas. Este artículo aborda Trienio Liberal, en cual se implementó la Constitución Cádiz las islas. hecho desencadenó múltiples conflictos políticos y sociales analizan presente trabajo. Para ello emplea diversa documentación administrativa, política judicial pr...

Journal: :Cultural & Social History 2023

Digital technologies offer a quick and convenient method of communicating across distance, but there are unique benefits to engaging in forms delayed communication. Long-distance letter writing the early nineteenth century was often slow business, one that Romantic poet, John Keats, capitalised on. In particular, provided Keats with means managing reality his circumstances when he faced inexora...

1999
Dong Lai

It has recently been suggested that the maximum observed quasi-periodic oscillation (QPO) frequencies, νmax, for several low-mass X-ray binaries, particularly 4U 1820-30, correspond to the orbital frequency at the inner-most stable orbit of the accretion disk. This would imply that the neutron stars in these systems have masses >∼ 2 M⊙, considerably larger than any well-measured neutron star ma...

2002
Enrico Coen Rosemary Carpenter

Our review (Coen and Carpenter, 1993) describes how both the similarities and differences between flowers and shoots can be explained by the action of a set of genes modifying a common growth plan. This does not imply that flowers and shoots are directly derived from one another or that they serve the same function or that they express all of the same genes. We would also like to point out that...

2006
TILL TÖPFER Till Töpfer

Since its description the taxonomic status of the Italian Sparrow Passer italiae (Vieillot 1817) has changed repeatedly according to the speciation concepts applied. Due to external similarities with hybrid sparrow individuals the hypothesis that italiae is a stabilised hybrid form between Passer domesticus (L. 1758) and P. hispaniolensis (Temm. 1820) has deeply influenced the discussion althou...

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