BEIJING/URUMQI, Feb. 20 (Xinhua) -- China National Petroleum Corporation (CNPC) announced Thursday that it has completed the ...

BEIJING/URUMQI, Feb. 20 (Xinhua) -- China National Petroleum Corporation (CNPC) announced Thursday that it has completed the drilling of the deepest vertical well in Asia, as a borehole reached a ...

The muscles acting over the joint provide secondary dynamic stability. Instability resulting from ligament injury may result from direct or indirect trauma. The most frequent mechanism is “non-contact ...

Qian, W. (2025) Expanding Force in Astronomy and Updraft Force in Meteorology. Journal of Modern Physics, 16, 267-285. doi: ...