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Using first-principles calculation within density functional theory, we study the gas (H2O, H2, H2S, and CO2) adsorption properties of single-layer indium nitride (InN). The four different adsorption sites (Bridge, In, N, Hollow) are chosen to investigate and the most sensitive adsorption site is found (N site for H2 and H2O gases; In site for H2S; center site for CO2) based on the adsorption energy,...
after the discovery of graphene, considerable researches have been studied to search its superior performance. In this work, the adsorption behaviors of sulfureted hydrogen (H2S) on pristine, tungsten (W), chromium (Cr) and copper (Cu)-doped graphene has been explored in this paper by the means of first-principles calculations based on density-functional theory (DFT). We have calculated the shortest...
This paper proposes a new control algorithm to tune the input current of the AC-DC converter in an inductive energy harvester, in order to achieve maximum power transfer to a load. The conventional phase regulating method normally achieves maximum power transfer by using the input voltage as the reference. However, in a harvester the internal inductance makes measurement of input voltage inaccessible...
SOM neural network is one of the most commonly used clustering algorithom in the text clustering field, but the learning strategies of SOM Network Clustering does not pursue the goal of the text clustering - the smallest deviation of the clusters, so it is very difficult to get the clusters with the smallest deviation. According to the principle of equal deviation, this paper presents an improved...
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