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Articles by Ana M. Sousa
Strategic Management Control Tools for the Sustainability of Seaports: A Scoping Review
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Monitoring Sensors for Urban Air Quality: The Case of the Municipality of Lisbon
1. Introduction Improving air quality should continue to be a policy target, as poor air quality is known to be harmful to health. According to the World Health Organization (WHO), air pollution is still one of the largest health threats worldwide. Every year, there are seven million premature deaths caused by air pollution [1]. Regions and cities have been motivated to protect citizens’ health and design and implement plans to improve air quality parameters.
Grape Pomace as a Natural Source of Phenolic Compounds: Solvent Screening and Extraction Optimization
2.3.1. Ethanol as Extraction Solvent The total phenolic content was evaluated in all extracts that were obtained according to the CCD experiments with ethanol. Multiple regression analysis was used to analyze the data and obtain a mathematical relationship between the response variable (TPh) and the factors. The regression model includes main effects, second-order effects, and cross effects. Moreover, the statistically insignificant (p value > 0.05) effects were excluded from the model.
How Do Methane, Carbon Dioxide or Fatty Acids Affect Waxy Crude Oils?
3.3. Wax Characterization By selecting the wax precipitation curve button in Multiflash, a graph showing the wax mass percentage of liquid as a function of temperature will be generated at a specifically selected pressure. Starting at zero degrees Celsius, the final temperature is the computed WAT for zero percent wax. Figure 10 shows the wax precipitation curve. While the above wax precipitation curves behave similarly, the amount of wax precipitated varies from sample to sample.
Review of the Economic and Environmental Impacts of Producing Waxy Crude Oils
This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessReview by Ana M. Sousa 1,*, Tiago P. Ribeiro 2, Maria J. Pereira 1 and Henrique A. Matos 1 1 CERENA, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal 2 Tal Projecto Lda., 1350-252 Lisbon, Portugal * Author to whom correspondence should be addressed.
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