Results 21 to 30 of about 44,644 (201)
Nectaries and reproductive biology of croton sarcopetalus (euphorbiaceae) [PDF]
Flower morphology, nectary structure, nectar chemical composition, breeding system, floral visitors and pollination were analysed in Croton sarcopetalus, a diclinous-monoecious shrub from Argentina.
Bernardello, Gabriel Luis Mario +3 more
core +1 more source
Foram analisadas as etapas da ontogenia do gametófito masculino e da parede da antera de Tabebuia ochracea. O método de formação da parede do microsporângio é do tipo Dicotiledôneo.
Nelson S. Bittencourt Jr
doaj +1 more source
O objetivo deste trabalho foi avaliar o comportamento das variabilidades (espacial e temporal) por meio da técnica de escalonamento de semivariogramas, da variável resistência mecânica do solo à penetração (RMSP) nas camadas de 0-0,1, 0,1-0,2, 0,2-0,3 m,
E. Mercante +2 more
doaj +1 more source
Neste trabalho, objetivou-se verificar o efeito da temperatura na germinação e no comprimento do tubo germinativo em diferentes populações de H. vastatrix (PHVs), sob quatro temperaturas.
Maria Eloisa Salustiano +4 more
doaj +1 more source
Kafirin structure and functionality [PDF]
The structural and functional properties of kafirins are reviewed. Three classes of kafirin: the a, ß and ? forms have been identified at the protein level and one, the d, has been identified only at the gene and transcript levels.
Argos +60 more
core +1 more source
Egg parasitoids of the genus Trichogramma (Hymenoptera: Trichogrammatidae) can be found in several crops attacking Spodoptera frugiperda (J. E. Smith, 1797) (Lepidoptera: Noctuidae) eggs.
Eduardo Barbosa Beserra +1 more
doaj +1 more source
Checklist of the Helminth Parasites of South American Bats [PDF]
My Brazilian co-author paid for this paper to be open--access.Copyright © 2001-2015 Magnolia Press. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and ...
Gibson, David I., Santos, CP
core +1 more source
In this article an evaluation of two semi-analytical techniques is carried out, considering the quality and accuracy of these techniques in reproducing the ground-level concentration values of passive pollutant released from low and high sources.
Jonas C. Carvalho, Davidson M. Moreira
doaj +1 more source
PENGENALAN WAJAH DUA DIMENSI MENGGUNAKAN MULTI-LAYER PERCEPTRON BERDASARKAN NILAI PCA DAN LDA
Manusia memiliki kecerdasan multi intelligence yang sangat kompleks sehingga secara otomatis mampu mengenali seseorang yang pernah ditemui. Saat ini banyak sekali sistem pengenalan wajah yang sedang dikembangkan baik secara supervised maupun unsupervised.
Uyun, Shofwatul +1 more
openaire +3 more sources
Characterization of plasma nitrocarburized layers produced on AISI 316L austenitic stainless steel [PDF]
A dureza e, conseqüentemente, a resistência ao desgaste dos aços inoxidáveis austeníticos podem ser acentuadamente aumentadas, sem perdas na resistência à corrosão, com a produção de camadas superficiais pelo tratamento de nitrocementação por plasma ...
CASTELETTI, Luiz Carlos +4 more
core +2 more sources

