BEIJING, April 9 (Xinhua) -- The following is a summary of published science and technology news of China:

LITHIUM RESOURCE

Chinese researchers have discovered that the lithium contained in the brine and saline lakes in western Qaidam Basin, in the Qinghai-Tibet Plateau, mainly originates from the hot springs of Hoh Xil, now a nature reserve on the plateau.

The researchers hope that the study will provide guidance for the protection of precious lithium brine deposits and sustainable lithium resource exploration.

PTEROSAUR FOSSIL

New research on the first complete pterosaur skeleton discovered in China provides more information on pterosaur phylogeny and sheds light on their living habit during the Cretaceous period more than 100 million years ago.

Dsungaripterus weii, discovered in Wuerhe region in northwest China's Xinjiang Uygur Autonomous Region and made public in 1964, is the first fossilized pterosaur with a nearly complete skeleton found in China.

5G USERS IN BEIJING

The number of 5G users in Beijing will soon reach 2 million, the Beijing Daily reported Wednesday.

Telecom giant China Unicom announced its 5G users in Beijing had reached 1 million by Tuesday. The other two major telecom operators China Mobile and China Telecom have also gained more than 720,000 and 253,000 5G users in the capital city, respectively.

Beijing has been speeding up the development of 5G projects in recent years. It plans to have over 30,000 5G base stations by the end of this year, with 5G coverage in 5,000 buildings citywide. Enditem

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