A exploração de lítio (Li) no solo tem intensificado a diminuição da respetiva qualidade. Este estudo avaliou o efeito do Li no solo, com base no comportamento da Eisenia fetida para diferentes concentrações (0, 100, 200, 400 e 800 mg kg-1), num solo artificial (SA) e natural (SN). Cerca de 15 recipientes-teste, relativos a 5 tratamentos e 3 repetições, foram preparados para cada solo, em que 10 minhocas adulta...
Artificial intelligence (AI) has become a central topic across numerous fields and is increasingly embedded in both the personal and professional dimensions of contemporary life. In the realm of journalism and news production, AI is gaining prominence, presenting not only innovative opportunities but also significant challenges and ethical concerns. Its integration into journalistic workflows and news consumpti...
Shear thickening fluids (STFs) are a unique type of fluids that can quickly transform into a solid-like state when subjected to forces (rate dependent). These fluids are created by dispersing micro and nanoparticles within a medium. When the force is removed, they return to their original liquid state. Shear thickening fluids can absorb a significant amount of impact energy, making them useful for reducing vibr...
No abstract available.
No abstract available.
Since the introduction of Agenda 2030 and the Sustainable Development Goals (SDGs), companies play a central role in promoting sustainable development. Management control became essential to support the SGDs’ integration into business models. This qualitative and interpretative study relies on a Brazilian company proactive in sustainability—Natura—and analyzes its management controls for sustainability using th...
This article presents a preliminary digital platform model to combat and prevent cyberaggressions in the Portuguese university environment. The characteristics and the necessary functionalities to be present in the platform were taken from eight interviews with Portuguese university students carried out in the context of a Ph.D. thesis on risk perception and precautionary behavior in the face of cyberaggression...
O contexto atual de utilização dos serviços e conteúdos da Intemet está condicionado pelos algoritmos das grandes empresas da área das tecnologias de informação, comunicação e das telecomunicações. A liberdade de busca de informação e relacionamentos num aparente labirinto hipermédiatico que teria a capacidade de deixar o utilizador navegar à sua vontade e ir sendo surpreendido por contextos inesperados, numa l...