China science, technology news summary -- May 22

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BEIJING, May 22 (Xinhua) -- The following is a summary of published science and technology news of China.


People frequent gyms to maintain their fitness levels, but what about the quality of the air they breathe in these confined spaces? Chinese researchers have recently delved into this question through a case study.

Led by Sun Yele, a professor from the Institute of Atmospheric Physics under the Chinese Academy of Sciences, a research team examined the composition and concentration of pollutants within a basement gym. Their findings, published in the journal Environmental Science & Technology Letters, shed light on the air quality of indoor fitness environments.

Their study revealed that the indoor air within the gym exhibited a higher proportion of organic aerosols (OA) compared to the outdoor environment. "Approximately 50 percent of the particulate matter inhaled within the gym comprised OA, a notable increase from the roughly 40 percent observed outdoors," Sun said.


The South China Botanical Garden (SCBG) of the Chinese Academy of Sciences recently completed a survey on plants in the Macao Special Administrative Region (SAR), the first of its kind, as part of the country's special program to investigate the biodiversity of the Guangdong-Hong Kong-Macao Greater Bay Area.

Four researchers from the SCBG's plant sciences center conducted the field survey on wild plants from May 6 to 10. The survey took place across four parks: the Seac Pai Van Park, the Ká Hó Reservoir Natural Park, the Hac Sá Reservoir Natural Park and the Taipa Grande Natural Park. During the survey, the researchers exchanged information on plant surveys, ecological monitoring, and vegetation restoration with local staff, the SCBG said in a press release on its official website.


A private Chinese commercial space company, in collaboration with a Thai university, has conducted the first trial of a low-orbit satellite internet broadband communication network successfully in Thailand.

The achievement marks the first overseas application and exploration of China's low-orbit broadband satellite internet.

GalaxySpace, a private satellite maker in Beijing, established a ground test station at the Mahanakorn University of Technology in Thailand, based on low-orbit broadband internet. It can continuously observe the communication capabilities of millimeter-wave satellite signals in local weather conditions. Enditem

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