Granulometria do milho em dietas para suinos nas fases de crescimento e crescimento-terminacao.

bitstream/item/58413/1/CUsersPiazzonDocuments232.pd

Ajuste no teste de solubilidade do nitrogênio em pepsina para farinhas de carne e ossos destinadas a fabricação de rações.

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Nutrição é uma das bases da evolução da avicultura de corte no Brasil.

Projeto: 11.11.11.111

Metodologia para a determinação da intensidade de coloração em grãos de milho.

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High frequency mechanical excitation of a silicon nanostring with piezoelectric aluminum nitride layers

A strong trend for quantum based technologies and applications follows the avenue of combining different platforms to exploit their complementary technological and functional advantages. Micro and nano-mechanical devices are particularly suitable for hybrid integration due to the easiness of fabrication at multi-scales and their pervasive coupling with electrons and photons. Here, we report on a nanomechanical technological platform where a silicon chip is combined with an aluminum nitride layer. Exploiting the AlN piezoelectricity, Surface Acoustic Waves are injected in the Si layer where the material has been localy patterned and etched to form a suspended nanostring. Characterizing the nanostring vertical displacement induced by the SAW, we found an external excitation peak efficiency in excess of 500 pm/V at 1 GHz mechanical frequency. Exploiting the long term expertise in silicon photonic and electronic devices as well as the SAW robustness and versatility, our technological platform represents a strong candidate for hybrid quantum systems