Copper Market
Mostrando 1-12 de 16 artigos, teses e dissertações.
-
1. 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
-
2. Mineral content, phenolic compounds and bioactive amines of cheese bread enriched with cowpea
ABSTRACT Cheese bread presents great acceptance and market expansion. Due to the lack of standardization in its manufacturing, various ingredients can be added. It was aimed to determine the content of minerals, bioactive compounds and antioxidant activity in cheese bread enriched with biofortified cowpea. Two formulations were prepared, standard cheese brea
Food Sci. Technol. Publicado em: 13/06/2019
-
3. Adubação com potássio e cálcio na nutrição e produção de goiabeira 'Paluma'
RESUMO A goiabeira é uma frutífera cultivada mundialmente, destacando-se pela grande aceitação no mercado consumidor. Entretanto, para que a cultura explore o seu máximo potencial produtivo e mantenha a qualidade dos frutos, é necessária a adequada adubação mineral para elevar a disponibilidade de nutrientes no solo e aumentar sua absorção pelas p
Rev. Ceres. Publicado em: 2019-02
-
4. Monitoring and risk assessment due to presence of heavy metals and pesticides in tea samples
Abstract Tea is one of the most consumed beverages after water, but unfortunately the application of pesticides and heavy metals in crops make it unsafe for use. This research was conducted to evaluate the risk of heavy metals and pesticides in samples of natural source tea (gardens) and different local market brands. High Performance Liquid Chromatography
Food Sci. Technol. Publicado em: 21/09/2018
-
5. Incorporation of geological uncertainty in pit optimization with geostatistics simulation
Abstract Risk mapping processes in mine planning and ore recovery are constantly used in the mining industry to increase decision making certainty based on the available information. However, it is not possible to predict the risk behavior in all of the project's boundary conditions and small variations in some of these conditions can cause a great impact on
REM, Int. Eng. J.. Publicado em: 2017-09
-
6. Efeito da VariaÃÃo de LÃtio em Catalisadores de Ferro tendo PotÃssio e Cobre como Promotores para a SÃntese Fischer-Tropsch / EFFECT OF LITHIUM IN IRON BASED CATALYST FOR FISCHER-TROPSCH SYNTHESIS CONTAINING POTASSIUM AND COPPER AS PROMOTERS
New environmental regulations and a possible instability in the international oil market have led to a renewal interest in the Fischer-Tropsch Synthesis (FTS), which is an alternative to produce more environmental friendly fuels. The FTS is a polymerization reaction, in which syngas (H2 + CO) reacts in the presence of catalyst to produce hydrocarbons. Three
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 24/02/2010
-
7. Ocorrência, identificação e caracterização das espécies de xanthomonas, causadoras de mancha bacteriana em tomate para mesa no Brasil
Tomato bacterial spot is caused by at least four Xanthomonas species (Xanthomonas euvesicatoria, X. vesicatoria, X. perforans and X. gardneri), and is one of the most important diseases of both processing and fresh market tomato crops in Brazil. Eighty one isolates, collected from 23 commercial tomato fields, located in southern, southeastern, central-west a
Publicado em: 2010
-
8. Análise estrutural e formação de preços no mercado de cobre
Esta dissertação tem como principais objetivos realizar uma análise do mercado mundial de cobre através do cálculo de índice de concentração industrial, e identificar os principais fatores determinantes do preço do cobre no Brasil. Através do aprofundamento do estudo sobre a influência da estrutura do mercado na formação de preços, busca-se ide
Publicado em: 2009
-
9. The use of vegetal-based dielectric fluids in die-sink EDM processes / Utilização de fluidos dielétricos à base de óleos vegetais na usinagem por descargas elétricas por penetração
Dielectric fluids usually used in electrical discharge machining (EDM) are generally expensive, toxic and demand special storage and disposal procedures. Oil-based dielectric fluids pollute the environment and are subject to the price variations of the international market. Moreover, they are used in large quantities and discarded after short periods of time
Publicado em: 2008
-
10. Qualidade do camarão da espécie Xyphopenaeus kroyeri mediante a ação dos agentes antimelanóticos / Quality of shrimp Xyphopenaeus kroyeri submitted to antimelanotic agents
Sea shrimp captured in the Brazilian coast represents an important segment of the seafood particularly due to the market value. Being a highly perishable food, it requests special cares for commercialization, conservation and industrialization. The control of the quality begins as soon as post-capture in the vessel. The immediate operations accomplished afte
Publicado em: 2008
-
11. Nutritional aspects of potato plants for seed tuber production in protected condition / Aspectos nutricionais da batateira para produção de tubérculo-semente em ambiente protegido
In spite of its importance and the great number of studies on the potato (Solanum tuberosum L.) crop, in the tropical conditions the existing researches on mineral nutrition of the potato plant grown for seed tuber production, in field and in protected conditions, are scarce. The seed tuber production in protected conditions, as the system used by IAC (São
Publicado em: 2007
-
12. Avaliação físico-química de cachaças comerciais e estudo da influência da irradiação sobre a qualidade da bebida em tonéis de carvalho / Physical-chemical evaluation of commercial sugar cane spirits and the study about the quality and influence of the irradiation on the beverage and on the oak barrels
It was performed in this study a survey on the quality of commercial sugar cane spirits. The problems that the cachaça faces, mainly in the international market, are due to its low quality and to the lack of standardization of the drink. Commercial samples of sugar cane spirits were analyzed according to the standards of the identity and quality established
Publicado em: 2005