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X ray densitometry applied to technological evaluation of MDF panels of eucalyptus
(IPEF-INST PESQUISAS ESTUDOS FLORESTAIS, 2009)
MDF panels from eucalyptus wood fibers were manufactured in laboratory and industrial production and had their apparent density profile determined by X-ray densitometry. The MDF panels apparent density parameters (maximum ...
Productividad de Panicum maximum bajo Pinus caribaea
(CATIE, Turrialba (Costa Rica), 1999)
Se estudió la productividad de Panicum maximum bajo rodales de Pinus caribaea de diferentes densidades arbóreas. Se evaluaron cinco modelos de regresión y cinco índices de densidad de rodal (área basal, factor de cubrimiento ...
Physical properties of thermally modified juvenile and mature wood of Hevea brasiliensis (Euphorbiaceae)
(2020-01-01)
Exposing timber to temperatures approaching 200 °C causes thermal modification and changes its characteristics. This study evaluates the effect of various levels of thermal treatment on the physical properties of juvenile ...
Thermal-electric modeling of graphite: Analysis of charge carrier densities and Joule heating of intrinsic graphite rods
(American Institute of Physics, 2017)
Graphite is a versatile material with many applications. Its intrinsic density has been extensively studied and quantified experimentally and theoretically. Experimental data suggest that the electron and hole densities ...
EFFECT OF DENSITY AND FLOWER SIZE ON THE REPRODUCTIVE SUCCESS OF NOTHOSCORDUM GRAMINUM (ALLIACEAE)
(2006)
The size, form and color are signals used by flowers to attract their pollinators. Large and showy color flowers usually receive higher pollinators visitation rates. According to the optimal forage theory, pollinators would ...
Synthesis and crystal phase evaluation of hydroxylapatite using the rietveld-maximum entropy method
(2004-12-01)
Bioceramic systems based on hydroxylapatite (HAP) are an important class of bioactive materials that may promote bone regeneration. The aim of this research was to evaluate how the stoichiometry of HAP influences its ...
Upstream proton cyclotron waves at Venus near solar maximum
(American Geophysical Union, 2015-01)
Long-term magnetometer data of Venus Express are analyzed for the occurrence of waves at the proton cyclotron frequency in the spacecraft frame in the upstream region of Venus, for conditions of rising solar activity. The ...
F2 region maximum electron density height predictions for South American latitudes
(American Geophysical Union, 2003-12)
Values of the F2 region maximum electron density height (hmF2) calculated using ground ionosonde data at South American latitudes are used to check the validity of the International Reference Ionosphere (IRI) to predict ...
EFFECT OF DENSITY AND FLOWER SIZE ON THE REPRODUCTIVE SUCCESS OF NOTHOSCORDUM GRAMINUM (ALLIACEAE)
(Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, 2006)