During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the subsequent energy transfer from electrons to ions is of picosecond order. Hence, lattice motion is negligible ...
At least 200 university departments in Japan should offer degrees through English-language courses to international students in 2033, up from 86 in fiscal 2020, according to a government plan. The ...
Welcome to English In A Minute. Give us a minute and we'll give you a hot tip about English. Grammar, vocabulary... there's so much to learn! And all taught by your favourite BBC Learning English ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results