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4.586  Articles
1 of 460 pages  |  10  records  |  more records»
Soil respiration and rate of CO2 emission is determined by its temperature and its organic matter. Canopy opening of a pristine forest affect the amount of radiation energy that are able to go down the canopy and determine the microclimate variability at ... see more

SUMMARYMedicinal and aromatic plants are expressed by roots, rhizomes, leaves, flowers or fruitsand the scientific interest for natural medicine and traditional practice of treatment increasemore and more.The purpose of research are related with the theor... see more

Gokart were so popular on competition scene in Indonesia, using a two-stroke engine with an engine specification being regulated in race regulation. But for now, not only a two-stroke engine, many four-stroke engine gokart race held as it was safer for th... see more

Several safety devices have filled in the vacuous spaces in commercial airplanes which once did not possess such sophisticated mechanisms. Commercial airplanes have copious amount of instruments and electrical circuits to provide a proper control system i... see more

Soil, in addition to storing is a source of CO2 to the atmosphere emitted by soil respiration, mainly due to land use change. The objective of the research was to evaluate soil respiration in different uses and quantify its CO2 emissions at two different ... see more

Objetivou-se quantificar o CO2,atributos químicos e físicos do solo são influenciados por diferentes manejos de preparo do solo. O Delineamento experimental adotado foi inteiramente casualizado, sendo os tratamentos: Sistema de Plantio Direto (SPD), Culti... see more

Selection of surfactants for enhanced oil recovery and other upstream applications is a challenging task. For enhanced oil recovery applications, a surfactant should be thermally stable, compatible with reservoir brine, and have lower adsorption on reserv... see more

Ecossistemas de regiões semiáridas, como a Caatinga, estão sendo afetados pelas mudanças climáticas globais, causando alterações na evapotranspiração (ET) e nos fluxos de CO2. Desse modo, o trabalho objetivou quantificar os fluxos de CO2 e ET, com o intui... see more

The main aim of this paper is to present the use of plastic oil blends as alternative fuel in single cylinder four stroke water cooled diesel engine. Plastic oil blends with diesel  three mixing ratios was prepared as PO15, PO20, and PO30 with diesel... see more

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