Results 31 to 40 of about 61 (55)
UHPLC-HRMS profiling and antibacterial activity of Grewia cissoides hutch. & Dalziel from Togo
International Journal of Chemical StudiesHèzouwè Kagnou +5 more
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The Mathematical Gazette, 1941
The polar equation of the parabola y 2 =8ax , referred to the origin of coordinates as pole is r sin 2
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The polar equation of the parabola y 2 =8ax , referred to the origin of coordinates as pole is r sin 2
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Journal of Environmental Science and Health, Part B, 2022
Shading interferes with the weed's biology, which can change their sensitivity to post-emergence herbicides. The objective was to evaluate the control of Merremia cissoides with glyphosate in full sunlight and shade conditions in two plant growth stages (30 and 73 days after sowing (DAS)). At 30 and 73 DAS, treatments were established in a 2 × 5 and 2 ×
Guilherme A. P. Ferreira +5 more
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Shading interferes with the weed's biology, which can change their sensitivity to post-emergence herbicides. The objective was to evaluate the control of Merremia cissoides with glyphosate in full sunlight and shade conditions in two plant growth stages (30 and 73 days after sowing (DAS)). At 30 and 73 DAS, treatments were established in a 2 × 5 and 2 ×
Guilherme A. P. Ferreira +5 more
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In-Plane Quasi-Static Crushing of Cissoidal Hexagonal Honeycomb Cores
Advanced Materials Research, 2012The mechanical behaviors of cissoidal hexagonal cores (CHCs) are investigated by using the finite element (FE) simulations under the in-plane quasi-static crushing loadings. The calculated deformation processes, response curves and values of plateau stress are presented in the forms of diagrams, force-displacement curves or data tables, respectively ...
De Qiang Sun, Miao Liu, Ying Xue Zhu
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From quadrature to integration: thirteen years in the life of the cissoid
The Mathematical Gazette, 1991In this article I shall take a problem, the quadrature of the cissoid, and compare a hard (but brilliant!) pre-calculus solution of 1658 with the easy (and routine) calculus solution of only 13 years later. Afterwards we shall perhaps see the calculus through different eyes and maybe even teach it differently.
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Proceedings of 1995 American Control Conference - ACC'95, 1996
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Haddad, Wassim M. +2 more
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Haddad, Wassim M. +2 more
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2016 IEEE 83rd Vehicular Technology Conference (VTC Spring), 2016
This paper concerns the time-frequency analysis of stationary and non-stationary multipath flat fading channels. For the modelling of stationary multipath fading channels, we use a sum-of-cisoids (SOCi) process, while the non-stationary channel is modelled by a sum-of-chirps (SOCh) process that captures the time-variant Doppler effect caused by speed ...
Matthias Pätzold 0001 +1 more
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This paper concerns the time-frequency analysis of stationary and non-stationary multipath flat fading channels. For the modelling of stationary multipath fading channels, we use a sum-of-cisoids (SOCi) process, while the non-stationary channel is modelled by a sum-of-chirps (SOCh) process that captures the time-variant Doppler effect caused by speed ...
Matthias Pätzold 0001 +1 more
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Journal of Fluorine Chemistry, 1992
Abstract Recently we described the unexpected concomitant formation of the ‘antigauche’ trans isomer during the synthesis of 5-fluoro-6-alkoxyuracils ( J. {Fluorine Chem., 54} (1991) 190). With respect to their conformation, in both the cis and the trans compounds, the anomeric effect (substituent at C 6 axial to N 1 ) appeared to be the ...
Gerard W.M. Visser +2 more
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Abstract Recently we described the unexpected concomitant formation of the ‘antigauche’ trans isomer during the synthesis of 5-fluoro-6-alkoxyuracils ( J. {Fluorine Chem., 54} (1991) 190). With respect to their conformation, in both the cis and the trans compounds, the anomeric effect (substituent at C 6 axial to N 1 ) appeared to be the ...
Gerard W.M. Visser +2 more
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Acta Botanica Gallica, 2001
Two species of the genus Merremia, both native of tropical America, are cited for the first time for the flora of Benin: M. cissoides (Lam.) Hallier f. and M. quinquefolia (L.) Hallier f. A key to the nine species actually known from Benin is given. For the genus Merremia in Benin, these new introductions are the only species characterized by compound ...
Lejoly, Jean, Lisowski, Stanislas
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Two species of the genus Merremia, both native of tropical America, are cited for the first time for the flora of Benin: M. cissoides (Lam.) Hallier f. and M. quinquefolia (L.) Hallier f. A key to the nine species actually known from Benin is given. For the genus Merremia in Benin, these new introductions are the only species characterized by compound ...
Lejoly, Jean, Lisowski, Stanislas
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