1 Center for Geospatial Information, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 1068 Xueyuan Avenue, Shenzhen University Town, Shenzhen, Guangdong 518055, China; E-Mail: [email protected] 2 School of Forestry and Environmental Studies, Yale University, 195 Prospect Street, New Haven, CT 06511, USA 3 Department of Geography, Central Michigan University, Mount Pleasant,...

The simulation-based investigation of the variable displacement engine is motivated by a desire to enable unthrottled operation at part load, and hence eliminate pumping losses. The mechanism modeled in this work is derived from a Hefley engine concept. Other salient features of the proposed engine are turbocharging and cylinder deactivation. The cylinder deactivation combined with variable dis...

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The determination of the bio-utilization used and unused car lubricants; engine oil, hydraulic transition oil were analyzed using viable counts spectrophotometric analysis. samples collected with 10 sterile containers from different mechanic workshops in Calabar; Unical workshop, designated as UNICAL Workshop (A), Akim (B), Mount Zion (C), Etta Agbor (D), Ekpo Abasi (E). analysis revealed absor...