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Armazenamento de sementes de soja em diferentes embalagens e atmosferas
(Universidade Federal de Santa MariaBrasilEngenharia AgrícolaUFSMPrograma de Pós-Graduação em Engenharia AgrícolaCentro de Ciências Rurais, 2020-02-05)
The physiological quality of seeds has a direct influence on agricultural production; through the potential of vigorous plants production establishes a highly productive system with uniformity. Storage is one of the most ...
Materiales compuestos de fibras naturales y polímero reciclados: mezclas, pretratamientos, agentes de acople y propiedades mecánicas - Una revisión
(Universidad Santo TomásPregrado de Ingeniería AmbientalFacultad de Ingeniería Ambiental, 2021-04-27)
This study provides a bibliographic review about composite materials made from recycled polymers and natural fibers, in order to identify some of the existing mixtures and the influence of variables such as fiber loading, ...
Plastic pollution in freshwater ecosystems: macro-, meso-, and microplastic debris in a floodplain lake
(Springer, 2017-11)
Plastic pollution is considered an important environmental problem by the United Nations Environment Programme, and it is identified, alongside climate change, as an emerging issue that might affect biological diversity ...
Transporte de combustíveis em embalagens portáteis (Fora do tanque)
(Universidade Tecnológica Federal do ParanáLondrinaBrasilEngenharia e Segurança do TrabalhoUTFPR, 2017-11-29)
The expressive growth of the fleet of vehicles, throughout the national territory, has increased the handling of cargoes of dangerous products to meet the demand for fuels. Consequently there are several important aspects ...
Demonstrativo da produção de resíduos orgânicos e recicláveis do município de Erechim – RS
(Universidade Tecnológica Federal do ParanáMedianeiraBrasilGestão Ambiental em MunicípiosUTFPR, 2015-12-05)
To know the reality of the waste produced by cities is fundamental to think the development, education and public politics articulated with other social segments. This work has as objectives to demonstrate the evolution ...
Preparación y caracterización de compuestos de Capirona-Polipropileno y Capirona-Polietileno de alta densidad
(LimaPE, 2014-01)
Se presentan los resultados de la caracterización de compuestos madera-polímero, obtenidos a partir de residuos particulados de Capirona de 710 µm con polipropileno y polietileno de alta densidad. Estos han sido mezclados ...
Mechanical and processing properties of recycled PET and LDPE-HDPE composite materials for building components
(Sage Publications Ltd, 2020-07-21)
Although several reports can be found in the literature about the recycling of plastic materials, only a few focus on recovering and molding them in a new process. Plastic material blends can be fabricated using several ...
Evaluation of Impact Fracture Toughness of Polymeric Materials by Means of the J-Integral Approach
(John Wiley & Sons Inc, 2004-04-07)
The most commonly accepted method of determining impact fracture toughness of polymeric materials that exhibit small scale yielding and negligible influence of dynamic effects is given by the ISO/DIS 17281 Standard, which ...