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A comparative-study between visible-light-activated and autopolymerizing sealants in relation to retention
(Amer Soc Dentistry Child, 1991-07-01)
Two hundred twenty-nine first permanent molar occlusal surfaces were treated with sealants, from a group of sixty-one children. When the three sealants were analyzed at the end of the six-, twelve-, eighteen-, and ...
Low-loss pedestal Ta2O5 nonlinear optical waveguides
(2019-01-01)
In this work, we investigate a pedestal tantalum oxide (Ta2O5) material platform for integrated nonlinear optics (NLO). In order to achieve low propagation losses with this material, pedestal waveguides with Ta2O5 cores ...
Quality of mechanical peanut sowing and digging using autopilot
(Univ Federal Campina Grande, 2019-08-01)
Over the past decade, automatic guidance of agricultural machinery via Global Navigation Satellite System (GNSS) signals has been increasingly adopted by the farming community. Peanut farmers are adopting such technology ...
Mechanism of Visible-Light Photooxidative Demethylation of Toluidine Blue O
(American Chemical Society, 2019)
Experiments and theoretical calculations by density functional theory (DFT) have been carried out to examine a self-sensitized type I photooxidation of toluidine blue O (TBO+). This study attempts to build a connection ...
A comparative-study between visible-light-activated and autopolymerizing sealants in relation to retention
(Amer Soc Dentistry Child, 2014)
Variabilidade de perdas no arranquio mecanizado de amendoim: estudo de caso
(Universidade Estadual Paulista (Unesp), 2011-02-17)
A mecanização na colheita de amendoim destaca-se como uma operação crítica, na qual as dificuldades advêm de fatores inerentes à cultura e ao solo, como por exemplo, o teor de água do solo e das vagens, a compactação do ...
Variabilidade de perdas no arranquio mecanizado de amendoim: estudo de caso
(Universidade Estadual Paulista (Unesp), 2011-02-17)
A mecanização na colheita de amendoim destaca-se como uma operação crítica, na qual as dificuldades advêm de fatores inerentes à cultura e ao solo, como por exemplo, o teor de água do solo e das vagens, a compactação do ...
Production and loss of nitrate in Brachiaria humidicola and Panicum maximum in the Sinu river valleyProducción y pérdida de nitrato en Brachiaria humidicola y Panicum maximum en el valle del río Sinú
(Corporación Colombiana de Investigación Agropecuaria (Agrosavia), 2012)
Nitrogen loss, from the nitrification of nitrogen fertilizer, creates pollution through nitrous oxide emissions and nitrate leaching. The reports on Brachiaria as a biological nitrification inhibitor were evaluated to ...
Controle estatístico aplicado ao processo de colheita mecanizada de sementes de amendoim
(Universidade Estadual Paulista (Unesp), 2009-06-22)
The peanut culture has its fruits under the soil surface, demanding a two-steps harvest named digging and collecting. In this process different losses degree can occur, varying spatially and timely influencing directly on ...