13. APLICAÇÃO DA ESPECTROSCOPIA RAMAN NA CARACTERIZAÇÃO DE MINERAIS PERTENCENTES A UMA GEOCOLEÇÃO

Lots of Educational Institutions hold their own geocollection due to its utility and versatileness in the practical formation of new generations of skillful professionals in many areas of Science and Technology. The Geoscience laboratory of the Federal University of São Carlos has a collection of minerals used in engineering, mineralogy and other technologi

Quím. Nova. Publicado em: 18/07/2019

14. Thermal behavior (TG-DTA-TMA), sintering and properties of a kaolinitic clay from Buenos Aires Province, Argentina

Resumo As propriedades tecnológicas de um caulim local, considerado um potencial material industrial, foram correlacionadas com o comportamento térmico e processos de sinterização realizados por meio de uma série de análises termoquímicas. A caracterização química e mineralógica do material foi realizada, juntamente com uma simples caracterizaçã

Cerâmica. Publicado em: 06/06/2019

15. Evaluation of SSR and SNP markers in Rubus glaucus Benth progenitors selection

Resumo Amora de castilla (Rubus glaucus Benth) é um dos produtos com maior potencial de desenvolvimento agrícola Colômbiano, que combina características dos subgéneros Idaeobatus e Rubus. Apesar da sua reconhecida importância na geração de rendas para os pequenos produtores, este cultivo tem recebido pouco desenvolvimento tecnológico. Como resultad

Rev. Bras. Frutic.. Publicado em: 31/01/2019

16. Development of a microwave absorbing material based on molybdenum-doped niobium pentoxide

Abstract This work aimed to perform the characterization of electrical properties of niobium pentoxide, Nb2O5, pure and doped with molybdenum, prepared by powder metallurgy route and to do a comparative analysis of the influence of this material when sintered in a muffle or in a microwave oven. The results showed that the doping of the niobium pentoxide with

Cerâmica. Publicado em: 2019-01

17. Characterization of clays from the State of Paraíba, Brazil for aesthetic and medicinal use

Resumo Este trabalho teve como objetivo avaliar a potencialidade das argilas do estado da Paraíba, visando suas aplicações em tratamentos medicinais, terapêuticos e estéticos. As amostras das argilas foram caracterizadas pelas técnicas de difração de raios X, composição química por fluorescência de raios X, termogravimetria, análise térmica dif

Cerâmica. Publicado em: 2019-01

18. Hair straighteners: an approach based on science and consumer profile

Technological progress has allowed women to change their natural hair configuration according to their will. This type of treatment is very popular around the world, even involving the use of prohibited chemicals, such as formaldehyde. Studies of hair characterization, straighteners and toxic evaluation are available in the literature, although few studies

Braz. J. Pharm. Sci.. Publicado em: 29/11/2018

19. Comportamiento al creep de un polímero utilizado para impresión 3D

ABSTRACT In recent years, additive construction or 3D printing technology is being widely used for manufacturing goods. This construction procedure has and will have a great industrial impact. There are several 3D printing processes, and among of them the most known is called Fused Deposition Modeling (FDM). The objective of the present paper is oriented to

Matéria (Rio J.). Publicado em: 19/07/2018

20. Comprobación de la uniformidad de resultados de un equipo de ensayos simultáneos de termofluencia

ABSTRACT The phenomenon of creep occurs in materials that operate under high temperatures and mechanical stresses, causing changes in their structures; such changes are evidenced by a progressive loss of mechanical strength. The characterization of this phenomenon should be performed with appropriate test machines, which are usually dependent on expensive te

Matéria (Rio J.). Publicado em: 19/07/2018

21. Caracterización de resinas epoxi para uso en conectores de ductos flexibles

ABSTRACT In the offshore productions of gas and oil are frequently used flexible pipes. The end fitting is the connection between the flexible pipe body and the production unit, at the assembly of this component is used epoxy resin to fill the free space inside it. This polymeric material holds the tensile armor wires to form the anchoring system. A critical

Matéria (Rio J.). Publicado em: 19/07/2018

22. Technological Feasibility of Hovenia dulcis thunb. Species for the Production of Edge Glued Panels

ABSTRACT This study aims to evaluate the use of Hovenia dulcis wood to produce Edge Glued Panels – EGP. To this end, joints with dimensions of 5.0 × 31.0 × 2.5 cm (Width × Length × Thickness) were put together using polyvinyl acetate (PVAc) and emulsion polymer isocyanate (EPI) adhesives at a spread rate of 200 g.m-2 and the chemical characterization

Floresta Ambient.. Publicado em: 05/04/2018

23. Annealing Effects on the Structural and Optical Properties of ZnO Nanostructures

ZnO nanostructures were synthesized by a proteic sol-gel method, using zinc nitrate hexahydrate and gelatin as precursors. Size and shape evolution of ZnO nanostructures were achieved by annealing temperature in the range 250-1000 ºC. The crystalline structure, morphology and optical properties of the ZnO nanoparticles were characterized by X-Ray Diffractio

Mat. Res.. Publicado em: 05/03/2018

24. Effect of Specimens' Shape and Size on the Determination of Compressive Strength and Deformability of Cement-lime Mortars

This work presents comparative analyses of the effect of specimens' shape and size on the compressive strength and modulus of elasticity of mortars. Mortar mixtures with compressive strength between 5 and 20 MPa were produced. Experimental tests determined the compressive strength of cylinder specimens of (5 x 10) cm and (10 x 20) cm, and also cubic specimen

Mat. Res.. Publicado em: 22/01/2018