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Vol. 23 No. 1 (2018)
Matemáticas y Estadística / Mathematics and Statistics / Matemática e Estatística
Between Open Sets and Semi-Open Sets
Samer Al Ghour, Kafa Mansur
9-20
PDF
Química / Chemistry / Química
Rollinia mucosa (Jacq.) Baillon (Annonaceae) active metabolites as alternative biocontrol agents against the lace bug Corythucha gossypii (Fabricius): an insect pest.
Ana Isabel Giraldo-Rivera, Gloria Edith Guerrero-Álvarez
21-34
PDF
Microbiología / Microbiology / Microbiologia
Polyhydroxyalkanoate biosynthesis by oxalotrophic bacteria from high Andean soil
Roger David Castillo-Arteaga, Edith Mariela Burbano-Rosero, Iván Dario Otero-Ramirez, Juan Camilo Roncallo, Sandra Patricia Hidalgo-Bonilla, Pablo Fernández-Izquierdo
35-59
PDF
Entomología y Agricultura / Agriculture and Enthomology / Entomologia e Agricultura
Titanium Dioxide Nanoparticles and Sodium Nitroprusside Alleviate the Adverse Effects of Cadmium Stress on Germination and Seedling Growth of Wheat (Triticum aestivum L.)
Javad Faraji, Ali Sepehri
61-87
PDF
Biología molecular / Molecular biology / Biologia molecular
Agrobacterium-mediated transformation of the wild orchid Cattleya maxima Lindl
Augusta Y. Cueva-Agila, Cella Rino
89-107
PDF
Ecología / Ecology / Ecologia
Application of physico-chemical indexes and BMWP / Col. to establish the impact of urbanization on Río Frío (Bucaramanga, Colombia)
Ricardo Restrepo-Manrique
109-128
PDF
Scientific and Industrial Metrology/Metrología Científica e Industrial/
An investigation on the effect of humidity on the zero signal of a strain gauge measuring system
K. M. Khaled, G. M. Mahmoud
129-139
PDF