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Advances in topological phase transition in organometallic lattices
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Researchers achieve chemically controlled, reversible magnetic phase transition
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People spend about 80-90% of their time indoors, and graduate students of academic institutes could spend up to 15 hours per day in their offices.
People spend about 80-90% of their time indoors, and graduate students of academic institutes could spend up to 15 hours per day in their offices. Compared to outdoor air quality, the air quality of the office is more relevant to their health. Therefore, understanding the levels, sources and evolution of particulate matter (PM) indoors is of great importance for the accurate evaluation of the students health risks to aerosol exposure.
Professor SUN Yele and his team at the CAS Institute of Atmospheric Physics deployed a time-of-flight aerosol chemical speciation monitor (ToF-ACSM) to measure time series and mass spectra of non-refractory species in a typical academic office located at the Institute of Atmospheric Physics. The concentration and chemical composition of indoor PM2.5 were measured for one month along with simu