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6941
Efecto de la competencia en el crecimiento de variables dasométricas de Pinus pseudostrobus Lindl. en el sur de Nuevo León, México.
Publicado 2017“…The data were obtained from 53 random sampling sites of 400, 500 and 1000 mts 2 from which the dasometric variables were obtained: normal diameter, total height, clean shaft height and cup diameter as well as distance between trees and The competition effect was analyzed by 6 distance-dependent competition indices, and the 3 criteria for selecting competing trees were also evaluated. It was found that the best results were provided by the IC1 competition index Alemdag (1978), for the two selection criteria used since it was the index that best explained the growth-index relationship of competence with a coefficient of determination that ranges between 0.20 and 0.42%, followed by the index developed by Braathe (1980) which explains between 0.14 and 0.33% the effect of competition on growth in basal area (GI) and finally the lowest and therefore less reliable results were obtained Index of Daniels et., To 1989 which provided only between 0.11 and 0.18% to explain such relationship.…”
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6942
Mathematical formulations and optimization algorithms for solving rich vehicle routing problems.
Publicado 2018“…Computational results over small-sized instances show that the heuristic is competitive with the ǫ-constraint method. Also, computational tests over large-sized instances were carried out in order to study how the characteristics of the instances impact the algorithm performance. …”
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Tesis -
6943
Clonación y expresión del ADNc que codifica para la enzima endo-β-1,4-glucanasa de Coptotermes formosanus en Pichia pastoris
Publicado 2017“…Recombinant cellulases could be useful in a bioethanol production program based on sugar, it could also have another applications such as the treatment of products in fermentation industry; besides provide extra information that could facilitate cellulolytic understanding in termites and therefore to the development of biopesticides.…”
Enlace del recurso
Tesis -
6944
Aislamiento y caracterización de un inmunógeno asociado al linfoma L5178Y
Publicado 2008“…Through this approach it was detected an immunogenic form of alpha-2-HSglycoprotein, also known as fetuin-A, on LY-R lymphoma cells. Fetuin-A was recognized by antibodies present in the serum of LY-R tumor-bearing and immunized mice, but not by sera of mice immunized with the non-tumorigenic variant LY-S or by healthy mouse serum. …”
Enlace del recurso
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6945
Diversidad de especies arbóreas y arbustivas en áreas con distinto historial antropogénico en el matorral espinoso tamaulipeco
Publicado 2006“…Results were different for different land use histories, given that species composition was also different. Jaccard and Sorensen Similarity indices showed that the community formerly used for intensive grazing was the most different from other land use histories. …”
Enlace del recurso
Tesis -
6946
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6947
Representación de la mujer en anuncios de revistas comerciales mexicanas
Publicado 2005Enlace del recurso
Artículo -
6948
Atanasio D. Vázquez, el estridentismo y el cine en Veracruz, 1925-1927
Publicado 2016Enlace del recurso
Artículo -
6949
El mapa de los medios públicos de Ecuador: entre el auge y la ambigüedad
Publicado 2020Enlace del recurso
Artículo -
6950
Jóvenes y publicidad: las implicaciones de la comunicación boca a boca
Publicado 2021Enlace del recurso
Artículo -
6951
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6952
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6953
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6954
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6955
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6956
Tecnología de información & productividad en América latina
Publicado 2004Enlace del recurso
Artículo -
6957
El valor de la cartera de clientes de empresas de telecomunicaciones en México
Publicado 2006Enlace del recurso
Artículo -
6958
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6959
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6960
Las Redes Sociales y su Impacto en la Publicidad Digital en México
Publicado 2024Enlace del recurso
Artículo