O umbu é uma fonte vegetal muito importante para a Caatinga, por possuir compostos alimentação. A microalga Spirulina spp. tem uso como suplemento alimentar funcional. No presente estudo, objetivou-se elaborar e avaliar as características físico-químicas dos licores das folhas frutos de umbu, acrescidos spp., obtidos no Instituto Federal Alagoas, localizado município Piranhas - AL. Foram elabor...

When subjected to a monotonically increasing deformation state, the mechanical behavior of UHMWPE is characterized by a linear elastic response followed by distributed yielding and strain hardening at large deformations. During the unloading phases of an applied cyclic deformation process, the response is characterized by nonlinear recovery driven by the release of stored internal energy. A num...

We present a three-dimensional nonlinear finite element formulation for dielectric elastomers. The mechanical and electrical governing equations are solved monolithically using an implicit time integrator, where the governing finite element equations are given for both static and dynamic cases. By accounting for inertial terms in conjunction with the Arruda–Boyce rubber hyperelastic constitutiv...

some numerical and experimental investigations are made on the performance of five different hyperelastic constitutive models (second order polynomial, yeoh, arruda-boyce, ogden and marlow) in tension and compressionmodes. first, the results of the tensile and compression tests on a rubber sample were used to determine the parameters of the models by curve fitting methods. next, by using an alg...

Nanoparticles (NPs) have a number of unique properties associated with their ultrasmall size and exhibit many advantages compared with existing plant biotechnology platforms for delivery of proteins, RNA and DNA of various sizes into the plant cells (Arruda et al., 2015; Silva et al., 2010; Martin-Ortigosa et al., 2014; Mitter et al., 2017) [1], [2], [3], [4]. The data presented in this article...

BARBOSA, F. S.; SANCHES, O.; BARBOSA, C. S. & ARRUDA, F. Dynamics of Snail Populations of Biomphalaria glabrata and B. straminea under Semi-Natural Conditions. Cad. Saúde Públ., Rio de Janeiro, 8 (2): 157-167, abr/jun, 1992. Growth curves and mortality rates for populations of Biomphalaria glabrata and B. straminea bred under semi-natural conditions are reponed. Snail populations of the above s...