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7.613  Articles
1 of 762 pages  |  10  records  |  more records»
The object of research is the process of oil extraction without using and using ultrasound for various solvents and types of plant materials. Extraction of oil provides maximum degreasing of vegetable raw materials in comparison with other methods, in par... see more

The object of research is the process of oil extraction without using and using ultrasound for various solvents and types of plant materials. Extraction of oil provides maximum degreasing of vegetable raw materials in comparison with other methods, in par... see more

Timber extraction from felling area to road side is not an easy job. This activity facing a number of  difficulties particularly due to geo-biophysical conditions, such as steep terrain, up and/or down-hill, valley or river-to be crossed, slippery ro... see more

Phytosterol may reduce the absorption of cholesterol, and used for preventing atherosclerosis. It is limited in soybean, but potentially abundant in wheat germ. Research on the utilization of wheat germ sterol had not been reported so far. Many aspects of... see more

Enhanced rate of fossil fuel extraction is likely to deplete limited natural resources over short period of time. So search for alternative fuel is only the way to overcome this problem of upcoming energy crisis. In this aspect biofuel is a sustainable op... see more

The reduction of the greenhouse gas emissions and the assessment of renewable energy sources are among today’s most challenging tasks. In this context biofuels have emerged as promising alternatives. Successful commercialization and market acceptance of b... see more

Objective: To describe and classify the main cultural practices used to relieve orodental pain in people who seek emergency dental care in vulnerable urban and rural areas of central Chile. Methodology: A sample of 88 adults residing in urban and rural se... see more

Na mineração de areia de sílica, os impactos ambientais podem ser causados pelo controle inadequado do combustível utilizado. Esse problema de gestão ocorre em processos de extração e pode causar vazamentos e derramamentos superficiais nos campos, resulta... see more

In the process of oil extraction, specifically in therefinement and industrialization of hydrocarbons, as is known,multiple wastes are highly polluting for the soil, water and air.In this work, the risk level of these wastes in affected areasis estimated ... see more

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