Short-term electricity consumption data reflects the operating efficiency of grid companies, and accurate forecasting of electricity consumption helps to achieve refined electricity consumption planning and improve transmission and distribution transportation efficiency. In view of the fact that the power consumption data is nonstationary, nonlinear, and greatly influenced by the season, holidays, and other factors, this paper adopts a time-series prediction model based on the EMD-Fbprophet-LSTM method to make short-term power consumption prediction for an enterprise's daily power consumption data. The EMD model was used to decompose the time series into a multisong intrinsic mode function (IMF) and a residual component, and then the Fbprophet method was used to predict the IMF component. The LSTM model is used to predict the short-term electricity consumption, and finally the prediction value of the combined model is measured based on the weights of the single Fbprophet and LSTM models. Compared with the single time-series prediction model, the time-series prediction model based on the EMD-Fbprophet-LSTM method has higher prediction accuracy and can effectively improve the accuracy of short-term regional electricity consumption prediction.
The damaged inferior alveolar nerve of rabbit was repaired with autogenous ipsilateral greater auricular nerve grafting primarily and secondarily, and electrophysiological, ultrastructural, microvascular and histochemical investigations were performed in this study. The results indicated that the experimental effects of group 1 out of 3 groups (group 1 with immediate grafting, group 2 with grafting after 4 weeks, and group 3 with grafting after 8 weeks) were the best and those of group 2 were second only to group 1 with no obvious difference between these two groups (P greater than 0.05). However, the results of group 3 were not good enough, and there was significant difference from the other two groups (P less than 0.05). Therefore, we were led to conclude that the injury should be repaired at once or within 4 weeks after inferior alveolar nerve was damaged, or within 2 or 3 months thereafter, to improve the function of the injured nerve as greatly as possible.
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