The armchair and zigzag edge shape make graphene nanoribbons (GNRs) exhibit different applications. However, the relationship between influencing factors and properties is not clear. Herein, the many-body Green’s function theory...
Alkali solution can effectively promote the hydrogen production in g-C3N4, which is not applied to all photocatalytic systems, but the mechanism is not clear. In this work, we investigate the...
Abstract. Temperature field reconstruction of satellite is important for measuring temperature and monitoring the satellite's components. The reconstruction method of temperature field and the visualization technology in the satellite thermal control test were introduced. By analyzing typical internal structure of satellite and studying some different heat conduction structure, heat balance equation was established to find the main factors influencing the measuring points' temperature. For each heat conduction structure, the temperature field equation was reconstructed. A method of the temperature field reconstruction based on the satellite's structure was proposed. With the examination of typical heat transfer structures, the method was verified. The temperature field reconstruction method was used in a three-dimensional temperature visualization system and it worked fine.
According to the subject characteristics of structural chemistry and the learning situation of undergraduates in Qufu Normal University, this paper explores the teaching reform to eliminate students' fear of difficulties and cultivate their interest in the subject. It is considered that designing a reasonable and interesting introduction course is an effective measure. The high-quality teaching effect and scientific thinking mode can be achieved by using the analogy method, reducing complexity to simplicity, and clarifying the scope, degree, logic and meaning of structural chemistry learning.
Vertebrates have evolved many opsins, but still share only one chromophore retinal, making its unique structure curious. Here, we studied the relationship between the visual function and its structural characteristics,...
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