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Now showing items 951-960 of 1042
Análise elementar de carnes: desenvolvimento de métodos analíticos e estratégias para técnicas com fonte de plasma
(Universidade Federal de São Carlos, 2020-10-13)
Meat is widely consumed around the world. Besides, this food has a significant influence on the Brazilian economy. Regarding the nutritional terms, it is considered as a source of essential elements (e.g., molybdenum, ...
Produção de Na-β″-alumina e o seu transporte iônico do Na+
(Universidade Federal de São Carlos, 2019-02-25)
In the present doctorate thesis, in order to study the Na+ ion transport in Na-βʺ-alumina(cr), we started by studying the production stages of Na-βʺ-alumina(cr) sodium ion conductive membranes. In order to do so, we studied ...
Calibração multivias em Laser-Induced Breakdown Spectroscopy (LIBS) para determinação de Ca, K e Mg em amostras de suplemento mineral para humanos
(Universidade Federal de São Carlos, 2021-03-25)
This work intends to present a new approach for modeling LIBS data resolved in time using multiway algorithms, aiming to achieve the advantage of second order. The algorithms evaluated in this study were: Multivariate Curve ...
Estudo de distintos processos oxidativos avançados eletroquímicos (e-POA) e teste de um reator solar em escala semi-piloto
(Universidade Federal de São Carlos, 2021-02-12)
In this work, two different advanced oxidation processes (AOP) were investigated: i) electrochemical processes (electro FeredFenton and photoelectro Fered-Fenton with BDD and DSA® electrodes under UVA/UVC irradiation (9 ...
Sachês compósitos biodegradáveis à base de amido visando o acondicionamento de nutrientes para aplicação como fertilizantes
(Universidade Federal de São Carlos, 2020-07-31)
The Brazilian agrarian system is responsible for a large part of the national GDP, even though agricultural production is dependent on foreign trade. In addition, many producers prioritize the use of NPK-type fertilizers ...
Catálise por complexos metálicos: I – Complexos de Ni(II), Cu(II) e Pd(II) com bases de Schiff na oxidação de catecóis; II – Complexos de Ru(II) com ligantes tipo-pinça na desidrogenação de álcoois
(Universidade Federal de São Carlos, 2021-06-11)
Green Chemistry is an indispensable scientific tool for sustainable development, catalysis is one of its twelve principles through which energy waste and hazardous chemicals production can be minimized. In this sense, ...
Determinação de impurezas inorgânicas em medicamentos: avaliação de preparo de amostra e medidas espectroanalíticas
(Universidade Federal de São Carlos, 2021-06-16)
Green sample preparation procedures were developed in this dissertation for determination of elemental impurities in drugs and dietary supplements by argon-based plasma spectroanalytical methods according to Chapters 232, ...
Busca de substâncias inseticidas e fungicidas para controle de formigas-cortadeiras através do estudo fitoquímico biomonitorado de espécies de Picramnia e avaliação da atividade bacteriostático em Xanthomonas citri subsp citri
(Universidade Federal de São Carlos, 2019-10-31)
The search for insecticide and fungicide substances to control leaf-cutting ants through biomonitored phytochemical study of Picramnia species and evaluation of bacteriostatic activity in Xanthomonas citri. Subsp citri. ...
Planejamento experimental aplicado aos estudos de degradação forçada do fármaco Ticagrelor
(Universidade Federal de São Carlos, 2020-08-31)
Stability indicating tests are an essential part during pharmaceutical drug production, besides being a mandatory step for the regulation and approval from the regulatory agencies. Forced degradation consist of an exposure ...
Obtenção de sulfetos metálicos (M= Ni, Mo) pelo método solvotermal assistido por micro-ondas aplicados na reação de desprendimento de hidrogênio
(Universidade Federal de São Carlos, 2020-03-27)
In general, transition metal sulfides show good activity in the Hydrogen Evolution Reaction (HER). Some of these metals, such as Mo and Ni, arouse interest in the area of electrocatalysis, since they are more abundant and ...