Zobrazeno 1 - 10
of 23
pro vyhledávání: '"J. P. B. Silva"'
Autor:
A. Sulthan Ibrahim, Kevin V. Alex, M. Bhakya Latha, K. Kamakshi, S. Sathish, J. P. B. Silva, K. C. Sekhar
Publikováno v:
Discover Materials, Vol 2, Iss 1, Pp 1-11 (2022)
Abstract In this work, we have investigated the structure, morphology, photoluminescence, photocatalytic and photocurrent properties of ZnO thin films as a function of their film thickness (tZnO) fabricated via ultrasonic spray pyrolysis technique. T
Externí odkaz:
https://doaj.org/article/141a93412448446c8edb0c443aeafe86
Autor:
A. V. Silva, C. M. Silva, J. H. B. Silva, W. E. Pereira, M. B. Albuquerque, J. C. Medeiros, F. R. R. Leal, J. F. Carvalho, B. O. T. Silva, F. Mielezrski
Publikováno v:
Brazilian Journal of Biology, Vol 84 (2024)
Abstract Maize is a crop of global economic importance and is widely cultivated throughout the Brazilian territory. The use of biostimulants can increase yield and improve crop yield. Unmanned aerial vehicles can be employed in arable areas, allowing
Externí odkaz:
https://doaj.org/article/c2475fa85c1b433190280874b0831949
Autor:
J. S. L. Silva, J. H. B. Silva, A. V. Silva, L. K. P. Silva, J. S. Ferreira, J. V. S Guedes, M. S. T. Santiago, E. N. Costa, P. V. M. Freitas, F. Mielezrski
Publikováno v:
Brazilian Journal of Biology, Vol 84 (2024)
Abstract The need to transition to more sustainable agriculture that is adaptable to environmental challenges, reducing dependence on chemical fertilizers and minimizing environmental impact, represents the new paradigm of the moment. In this scenari
Externí odkaz:
https://doaj.org/article/cc475e6a177e4f89b7ca39a4f609958e
Autor:
F. H. A. Andrade, R. T. Silva, M. A. Barbosa Neto, S. F. Silva, A. F. L. Cardoso, J. S. Lima, J. H. B. Silva, A. F. S. Cruz, M. I. B. Clemente, E. A. Onias, W. E. Pereira, J. T. L. Chaves, S. G. S. Borges, A. M. F. Oliveira, P. C. A. Linhares, R. R. Silva
Publikováno v:
Brazilian Journal of Biology, Vol 84 (2024)
Abstract Salinity reduces feijão-caupi production, and the search for tolerant varieties becomes important within the agricultural context, as, in addition to being used in the field, they can be used in genetic improvement. The objective was to for
Externí odkaz:
https://doaj.org/article/14e25a6ca50b42be9965bda824dfd615
Autor:
L. J. M. Almeida, A. V. Silva, J. S. L. Silva, J. F. Silva, J. H. B. Silva, F. Pereira Neto, M. A. Borba, S. S. C. Barreto, H. A. Rodrigues, V. F. O. Sousa, W. E. Pereira, A. S. Lopes, F. Mielezrski
Publikováno v:
Brazilian Journal of Biology, Vol 84 (2024)
Abstract Planting with higher density in sugarcane is one of the practices used to overcome low productivity. However, this planting material is equivalent to 25% of the total cost of production, being one of the main expenses for cultivation. In thi
Externí odkaz:
https://doaj.org/article/abb0b464fbf1412aac46b66fc4e85a58
Autor:
J. E. Costa, J. H. B. Silva, I. D. N. Silva, G. M. L. Silva, R. R. A. Nascimento, J. S. L. Silva, J. M. S. Barbosa, E. V. B. Cardoso, A. V. Silva, M. A. Nascimento, J. P. O. Santos, A. H. P. C. Martins, F. Pereira Neto, P. M. D. Amorim, B. O. T. Silva, L. J. M. Almeida, F. Mielezrski
Publikováno v:
Brazilian Journal of Biology, Vol 83 (2023)
Abstract Low density sugarcane plantation (LDSP) has been implemented by some sugarcane producers in Brazil, aiming to save seeds and operational costs. The study was carried out in the municipality of Areia, Paraíba, Brazil. Five planting densities
Externí odkaz:
https://doaj.org/article/eb3e1fa0dd1441dc92b7248c68f4b029
Autor:
J. H. B. Silva, L. J. M. Almeida, A. V. Silva, J. R. E. S. Araújo, J. P. O. Santos, A. J. Silva, C. M. Silva, V. A. Targino, S. C. S. Santos, R. M. S. Pessoa, F. H. A. Andrade, F. Pereira-Neto, B. O. T. Silva, F. Mielezrski
Publikováno v:
Brazilian Journal of Biology, Vol 83 (2023)
Abstract Sugarcane cultivation stands out in Brazilian agribusiness, covering more than eight million hectares for the production of sugar, ethanol, and by-products. Fertilization is one of the limiting factors in sugarcane yield, for which filter ca
Externí odkaz:
https://doaj.org/article/8d88aadae37748deb2c83baf379f1b34
Publikováno v:
Eclética Química, Vol 30, Iss 4, Pp 59-65 (2018)
No presente estudo, foram investigadas diferentes substâncias para atuarem como modificadores químicos na determinação direta de cádmio em soro e urina humanos sem digestão prévia das amostras. A preparação da amostra foi feita diretamente n
Externí odkaz:
https://doaj.org/article/be2509feb9254816b02c5d6463baa46d
Autor:
W. Ahmed, H. Jeidi, I. Najeh, H. Dahman, J. P. B. Silva, J. Agostinho Moreira, M. Pereira, M. J. M. Gomes, L. El Mir
Publikováno v:
Journal of Materials Science: Materials in Electronics. 33:25846-25860
Nanocomposites (RF/MnO2) based on resorcinol–formaldehyde (RF) as carbon matrix and manganese oxide nanoparticles (MnO2) as incorporated material were elaborated by a sol–gel method. The effect of pyrolysis temperature was studied using different
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e09057cee4f800336790a4075ac046bf
https://doi.org/10.1007/s10854-022-09275-6
https://doi.org/10.1007/s10854-022-09275-6
Publikováno v:
Applied Physics A. 129
Calcium-doped ZnO (CZO) nanopowders were synthesized using the sol–gel method. The structural characteristics were investigated by X-ray diffraction (XRD) and the analysis reveals that our samples are crystalized in a wurtzite hexagonal structure.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4bb3c2f8a0c87b7a036205c2f5c1807
https://doi.org/10.1007/s00339-023-06508-1
https://doi.org/10.1007/s00339-023-06508-1