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The electromechanical coupling phenomenon in CNC machine tool has an important influence on the dynamic precision of the feed system. The complicated dynamic characteristics and their evolutions with different parameters will aggravate the research difficulty of the electromechanical coupling mechanism. In this paper, taking SL250 lathe as the research object, the servo torque and mechanical structure...
This study assessed the influence of inert carrier addition on granule formation and treatment effect of Anaerobic Baffled Reactors (ABR). Two lab-scale ABR were used in this experiment to culture granular sludge under room temperature (21°C-25°C), and one of them (called reactor B) was put in inert carriers together with anaerobic seeding sludge, as the other one (called reactor A) was just put in...
In order to meet the demand of agricultural materials exchange online for farmers, an agricultural materials exchange platform based on ontology is designed and implemented. A matchmaking algorithm is presented which uses semantic vector space model to determine the match between agricultural materials seekers and advertisers. A matchmaking model is proposed based on OWL. Finally an architecture based...
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