The miniature UV femtosecond pulse tripler developed by the University of Warsaw is three times more efficient than its predecessor but has only a fingertip shape. The improvement in laser efficiency is due to the global optimization of the frequency conversion process from the infrared to the ult
On July 22nd, Dongfeng Motor Corporation announced the sales data for the first half of this year. From January to June, the cumulative sales of automobiles were 1,921,100, up 12.1% year-on-year, and the growth rate was 3.74 percentage points higher than the industry. According to the data from th
On July 22nd, Dongfeng Motor Corporation announced the sales data for the first half of this year. From January to June, the cumulative sales of automobiles were 1,921,100, up 12.1% year-on-year, and the growth rate was 3.74 percentage points higher than the industry. According to the data from th