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P-xylene is one of the main harmful ingredients of illegal cooking oil. This paper indicates the spatial structure of p-xylene, and the structure is optimized through density functional theory (DFT) method. Then we calculate its vibration characteristic by using Hartree-Fock (HF) and DFT separately based on 6-31G and show the spectral and infrared intensity maps. Meanwhile, we compare the Raman Spectrum...
The majority of real-world networks are directed, weighted and dynamic. Aiming at the problem of node role analysis in directed weighted network, in this paper, we introduce topological potential to network analysis and propose a novel node role analysis method based on directed topological potential, which can divide nodes into four kinds of roles based on their behavior pattern and local influence...
This study investigates how computer games impact on student learning and technology acceptance. A curriculum was designed for college students majoring in Computer Science. Participants included college teachers and students. Two groups of students participated in the learning activities by using gaming and non-gaming methods separately in the course. The proposed computer game helps students engage...
Since service science is becoming more mature, many universities have now set up numbers of related courses. Service Science and Engineering Department, has some concrete teaching practice at School of Software, Dalian University of Technology. Our paper, analyses specific scientific knowledge systems for the integration of services in industry-specific systems, shows the new discipline will move...
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