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Correlações para identificação prévia do teor de umidade ótimo de solos brasileiros
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia CivilDepartamento de Engenharia Civil, 2022-02-10)
Soil compaction is extremely important in the area of Civil Engineering because it is
through it that we basically increase the density of the soil and reduce its porosity through effort
or continuous pressure, that is, ...
Termoformadora a vácuo automatizada
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Eletrônica, 2012-08-08)
Visiting some industrial companies and conducting a preliminary market research, we could observe that several companies in Curitiba area were using a plastic thermoforming process, responsible for producing plastic ware, ...
Determinação de bisfenol A em água mineral armazenado em garrafões de policarbonato
(Universidade Tecnológica Federal do ParanáPonta GrossaBrasilDepartamento Acadêmico de AlimentosTecnologia em AlimentosUTFPR, 2016-12-05)
Bisphenol A it is a monomer used in manufacturing of plastics such as polycarbonate and epoxy resins. This compound is considered as endocrine disruptor that acts on the hormonal system, causing damage to its functioning. ...
Microextração líquido-líquido dispersiva para determinação de bisfenol A em amostras de água por cromatografia líquida de alta eficiência
(Universidade Tecnológica Federal do ParanáPonta GrossaBrasilDepartamento Acadêmico de AlimentosTecnologia em AlimentosUTFPR, 2017-11-07)
The dispersive liquid-liquid microextration (DLLME) combined to high performance liquid chromatography (HPLC) was proposed for extraction and determination of bisphenol A (BPA) in water samples. At the optimized conditions ...
Caracterización de materiales metálicos y friccionantes en estado tri-axial
(2015)
In the last century there have been several inquiries regarding the mechanical behavior of frictioning materials and metallic materials. The interest of this research lies in representing the real behavior of materials ...
Embalagens plásticas flexíveis e filmes celulósicos microbianos na conservação do tofu
(Universidade Tecnológica Federal do ParanáPonta GrossaBrasilDepartamento Acadêmico de AlimentosTecnologia em AlimentosUTFPR, 2012-06-14)
Tofu is a highly perishable product derived from the soybean (Glycine max (l.) Merrill), with short shelf life. The aim of this work was to evaluate the effect of cellulose packaging films and flexible plastic packages on ...
Análise da transformação martensítica induzida por deformação em aços com efeito TRIP
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia de MateriaisDepartamento de Engenharia de Materiais, 2022-02-15)
In pursuit of advanced automotive solutions, high strength steels (AHSS, High
Strength Steels) have been improved to replace advanced high strength steels as
they can enhance and improve the safety of mechanical vehicles. ...
Efeito da luz na degradação de azeite em diferentes embalagens
(Universidade Tecnológica Federal do ParanáCampo MouraoBrasilDepartamento Acadêmico de AlimentosEngenharia de AlimentosUTFPR, 2017-12-04)
The shelf life of olive oil is limited by photo-oxidation, auto-oxidation and lipolysis. During the process of olive oil degradation occurs a series of chemical reactions involving unsaturated fatty acids, light, moisture ...
Estudo da influência da cal hidratada nas propriedades físicas e na compactação do solo
(Universidade Tecnológica Federal do ParanáToledoBrasilEngenharia CivilUTFPR, 2018-11-09)
Considering the frequent demand for improvements in soil characteristics, the influence of hydrated lime addition on its physical properties was analyzed, with the soil in natura as a reference. For this, dosages were made ...
Africa as a potentially attractive market
The African plastic market seems to be utterly appealing to Company X which is operative in many areas of the world, partly also in this one. With around 1,3 billion Africans and a plastic consumption of 16kg per capita, ...