Research on failure mechanism of final drive gears of a passenger car based on multi-condition varying-speed accelerated test by Haibo Yu, Hongyu Hu, Yuzhuo Men, Mingda Li, Bingkui Ji, Xueping Yao

“…From the meshing state of the gears, it is observed that machining precision errors caused an excessively large bearing clearance of the helical gear in the differential housing, with the meshing area of the driving gear tilting to one side and generating eccentric loads under uneven stress. …”
Get full text

Analysis of Water and Sediment Variation Characteristics in Jingjiang River Reach before and after Operation of Three Gorges Reservoir Based on GAM by DING Jiawei, PENG Yuming, CHEN Yanfei, SHEN Jian, HUANG Liemin

“…The results show that: After the operation of the Three Gorges Reservoir, the average annual sediment concentration in Jingjiang River reach has decreased significantly and will continue to decrease in the next 10 years, while the average annual discharge has changed little. …”
Get full text

A novel adaptive droop-based SoC balancing control strategy for distributed energy storage system in DC microgrid by Liangliang Guo, Xinrui Liu, Xinyu Li, Rui Wang, Hanwen Ren, Zhiliang Wang, Qiuye Sun

“…To solve the problems of SoC imbalance, uneven current distribution and DC bus voltage deviation in microgrid energy storage system, an improved adaptive droop control strategy is proposed in this paper. …”
Get full text

GDP OF THE G7 AFTER THE FINANCIAL CRISIS by Svitlana Radziyevska

“…According to the World Bank, in terms of GDP based on PPP, in 2023 the US ranked second, Japan – fifth, Germany – sixth, France – ninth, the UK – tenth, Italy – eleventh, Canada – sixteenth. …”
Get full text