Market Concentration
Mostrando 1-12 de 198 artigos, teses e dissertações.
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1. Digital imaging of coffee leaves under different nitrogen concentrations applied to soil
ABSTRACT Brazil is the largest Coffea arabica L. producer and exporter in the world market. In view of the need for nitrogen fertilization, the objective of this work was to evaluate the use of digital images of coffee leaves as a function of nitrogen concentration and cultivars, as well as to evaluate the most adequate sampling of this technique to predict
Revista Ceres. Publicado em: 2022
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2. AVALIAÇÃO DE METAIS POTENCIALMENTE TÓXICOS EM CHORUME PROVENIENTE DE ÁREA DE DEPOSIÇÃO DE RESÍDUOS SÓLIDOS EM BELÉM - PARÁ
The formation of solid waste is a global challenge regarding environmental preservation. Due to the lifestyle of modern society, which aims to improve practicality, new products are constantly being released in the market and increasing the formation of waste. The decomposition of waste from various origins produces a dark liquid named leachate, which presen
Química Nova. Publicado em: 2022
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3. Parthenocarpy induction and reduction of seeds in fruits of 'Nadorcott' mandarin
ABSTRACT Mandarins commercialization at international market requires seedless fruit production in addition to its ideal organoleptic and visual quality. The objective of the work was to evaluate the efficiency of applications of gibberellic acid and of copper sulfate during anthesis in reducing the number of seeds and in the productive behavior of the 'Nado
Revista Ceres. Publicado em: 2022
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4. Assessment of Urban Contamination by Sewage in Sediments from Ipojuca River in Caruaru City, Pernambuco, Brazil
The Ipojuca River is considered the third most polluted river in Brazil due to the intense anthropogenic activities in the surrounding urban areas. The most important effluent is sewage discharge, which is responsible for considerable contamination. Traditional analyses (infrared spectroscopy, organic matter (OM), elemental analysis and granulometry) and adv
Journal of the Brazilian Chemical Society. Publicado em: 2022
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5. Synthesis and Evaluation of Nematicidal Activity of Compounds Derived from Norbornadiene
Nematode is a major problem in agriculture, the effective way to control this pest is through chemical control, but the efficient molecules present in the market have great toxicity to mammals and birds. Thus, there is a constant demand for the development of new nematicide molecules. This study describes the synthesis of 21 novel esters derived from norborn
J. Braz. Chem. Soc.. Publicado em: 2020-09
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6. Evaluation of extruded corn breakfast cereal enriched with whole peach palm (Bactris gasipaes, Kunth) Flour
Abstract The present study aimed to develop extruded corn breakfast cereal enriched with whole peach palm flour. A 22 central composite rotatable design was used, and the cereal was processed in a ZKS-30 co-rotational twin-screw extruder (Werner and Pfleiderer), followed by its physicochemical, technological and microbiological characterization. The technolo
Food Sci. Technol. Publicado em: 2020-06
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7. KAURENOIC ACID DETERMINATION IN EXTRACT, TINCTURE AND SYRUP OF Mikania glomerata BY HPLC-QQQ-MS/MS
This work aims to develop a rapid and reliable method by HPLC-QqQ-MS/MS for identification and quantification of Kaurenoic acid (KA) in extract, tincture and syrup from Mikania glomerata. The developed method allows identifying and quantifying KA in complex samples obtained from extract marketed in pharmaceutical industry, a tincture prepared with the leaves
Quím. Nova. Publicado em: 2020-05
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8. COMPARISON OF ARROWROOT (Maranta arundinacea) AND CASSAVA STARCH EXTRACTION IN SEPARATION, CONCENTRATION, AND PURIFICATION USING A ROTATING SIEVE UNDER WATER
ABSTRACT Brazil is home to several plant species that exhibit potential for starch extraction. The arrowroot plant stands out owing to its South American origin. Arrowroot starch is especially important for fine confectionery, which is a high-value niche market. Thus, a small producer could benefit from the high prices of arrowroot starch. However, to have c
Eng. Agríc.. Publicado em: 2020-02
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9. Evaluation of extruded corn breakfast cereal enriched with whole peach palm (Bactris gasipaes, Kunth) Flour
Abstract The present study aimed to develop extruded corn breakfast cereal enriched with whole peach palm flour. A 22 central composite rotatable design was used, and the cereal was processed in a ZKS-30 co-rotational twin-screw extruder (Werner and Pfleiderer), followed by its physicochemical, technological and microbiological characterization. The technolo
Food Sci. Technol. Publicado em: 28/10/2019
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10. A emergência de um sistema dualista: trânsitos e autonomias
Resumo O objetivo deste trabalho é examinar algumas práticas do mercado editorial do cordel no século XX. Para isso, a ordem que regia os diversos personagens envolvidos nesse sistema editorial, bem como suas relações de interesses e dependências, foram questões pesquisadas. Constatou-se um alto grau de concentração das atividades editoriais em torn
Estud. Lit. Bras. Contemp.. Publicado em: 24/10/2019
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11. Moderating effect of economic instability in the relationship between concentration of control and market value: empirical evidence in Latin America
RESUMO Este artigo investiga o efeito moderador da instabilidade econômica na relação entre a concentração de controle e o valor de mercado da empresa. Com tal objetivo, constrói-se um painel não balanceado composto por 341 companhias latino-americanas de seis países: Argentina, Brasil, Chile, Colômbia, México e Peru. Os resultados dos modelos din�
BBR, Braz. Bus. Rev.. Publicado em: 19/08/2019
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12. Micropropagation of Physalis peruviana L.
RESUMO Physalis peruviana L. (Solanaceae) é uma frutífera herbácea, que vem se consolidando no mercado em virtude de suas potencialidades nutricionais e medicinais. As limitações à sua produção são o ciclo reprodutivo curto, o acometimento dos frutos por pragas e a carência de estudos, o que justifica a busca de estratégias para a sua propagação
Pesqui. Agropecu. Trop.. Publicado em: 18/07/2019