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Diesel engines are widely used for propulsion on large ships, which has the undesired characteristic of generating large amounts of harmful emissions. To reduce these emissions, some alternative fuel was developed and used in a marine diesel engine. In this study, an experiment was carried out on a 6-cylinder turbocharged direct-injection marine diesel propulsion engine. A small proportion blend of...
We combined dendrochronological methods and interannual d13C measurements to investigate radial growth and physiological responses of Schrenk spruce (Picea schrenkiana) in response to rising atmospheric CO2 concentration (Ca) and changing climate in high-elevation forests in China’s western Tianshan Mountains. The mean maximum temperature in May to August, reconstructed from d13C, revealed an overall...
Light oil (isooctane) removal using soil vapor extraction (SVE) enhanced bioremediation (BR) was investigated by four steps, including: (i)amendment of substrates in batches (ii)continuous induction of contaminants for 15 days (iii)in situ acclimation for 100 days (iv)biodegradation assisted with SVE venting for 120 h at 20 m³∙h⁻¹ Results showed that the total removal efficiency was up to 90% after...
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