China science, technology news summary -- March 17

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BEIJING, March 17 (Xinhua) -- The following is a summary of published science and technology news of China.


China's self-developed underwater gliders have successfully conducted observations in the Indian Ocean.

Chinese oceanographic research ship Xiangyanghong 06 has returned to the city of Zhoushan in east China's Zhejiang Province on March 12, finishing a research expedition in the Indian Ocean. Developed by the Shenyang Institute of Automation under the Chinese Academy of Sciences, 12 gliders codenamed Haiyi participated in this voyage as important survey equipment.


Researchers from China and Russia have bent the rules of classical chemistry and created superconducting compounds of hydrogen and rare-earth metal praseodymium.

Superconductors are materials capable of conducting electric current with no resistance. But the current superconductors can only work at very low temperatures and require extremely high pressure,limiting their application.

Scientists have been pursuing superconducting compounds at higher temperatures and lower pressures.


Researchers have disclosed that the average mercury concentrations in the northwestern Chinese city of Lanzhou decreased in the last two decades.

The researchers from the Northwest Institute of Eco-Environment and Resources of the Chinese Academy of Sciences conducted atmospheric mercury measurements in Lanzhou, capital of Gansu Province, from October 2016 to October 2017.


The median viral shedding duration of the novel coronavirus (COVID-19) was 20 days, but the longest lasted 37 days, according to a study published by the Lancet.

The study revealed risk factors and a detailed clinical course of the novel coronavirus, including viral shedding, based on the data of 191 confirmed patients from two hospitals in Wuhan, the provincial capital of central China's Hubei Province and epicenter of the outbreak. Enditem

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