2 resultados para 145-883
em CiencIPCA - Instituto Politécnico do Cávado e do Ave, Portugal
Resumo:
Resumo: 1 – Introdução; 2 – Breve nota de Criminologia e Política Criminal no que diz respeito ao papel das polícias perante a teoria da discricionariedade no contexto do problema da corrupção, igualmente económica e social; 3 - O problema da «corrupção», sobretudo no seio do Direito penal económico e social: o caso da importância da empresa; 4 – Algumas pré-conclusões sobre a dificuldade de imputar crimes, nomeadamente crimes de corrupção, às «empresas»; 5 – Conclusão. § Abstract: 1 - Introduction 2 - a brief note of Criminology and Criminal Policy in relation to the role of the police before the theory of discretion in the context of the problem of corruption, also economic and social development; 3 - the problem of the «corruption», especially within the social and economic criminal law: the case of the importance of the company; 4 - Some pre-conclusions about the difficulty of attributing crimes, including crimes of corruption, the «companies», 5 - Conclusion.
Resumo:
A unique neural electrode design is proposed with 3 mm long shafts made from an aluminum-based substrate. The electrode is composed by 100 individualized shafts in a 10 × 10 matrix, in which each aluminum shafts are precisely machined via dicing-saw cutting programs. The result is a bulk structure of aluminum with 65 ° angle sharp tips. Each electrode tip is covered by an iridium oxide thin film layer (ionic transducer) via pulsed sputtering, that provides a stable and a reversible behavior for recording/stimulation purposes, a 40 mC/cm2 charge capacity and a 145 Ω impedance in a wide frequency range of interest (10 Hz-100 kHz). Because of the non-biocompatibility issue that characterizes aluminum, an anodization process is performed that forms an aluminum oxide layer around the aluminum substrate. The result is a passivation layer fully biocompatible that furthermore, enhances the mechanical properties by increasing the robustness of the electrode. For a successful electrode insertion, a 1.1 N load is required. The resultant electrode is a feasible alternative to silicon-based electrode solutions, avoiding the complexity of its fabrication methods and limitations, and increasing the electrode performance.