About Tongdy Green Building Projects Air Quality Monitors Topics
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Beginning of winter
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Sources of Indoor Air Pollutants
Sources of Indoor Air Pollutants What are the sources of air pollutants in homes? There are several kinds of air pollutants in homes. The following are some common sources. burning of fuels in gas stoves building and furnishing materials renovation works new wooden furniture consumer products co...Read more -
Air Quality Management Process
Air quality management refers to all the activities a regulatory authority undertakes to help protect human health and the environment from the harmful effects of air pollution. The process of managing air quality can be illustrated as a cycle of inter-related elements. Click on the image below t...Read more -
A Guide to Indoor Air Quality
Introduction Indoor Air Quality Concerns All of us face a variety of risks to our health as we go about our day-to-day lives. Driving in cars, flying in planes, engaging in recreational activities, and being exposed to environmental pollutants all pose varying degrees of risk. Some risks are simp...Read more -
United Nations Day
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Frost’s Descent
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Cold Dew
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National Day Holiday Notice
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Indoor Air Quality
We tend to think of air pollution as a risk faced outside, but the air we breathe indoors can also be polluted. Smoke, vapors, mold, and chemicals used in certain paints, furnishings, and cleaners can all affect indoor air quality and our health. Buildings affect overall well-being because most p...Read more -
What were the historical reasons for the resistance to recognizing airborne transmission during the COVID-19 pandemic?
The question of whether SARS-CoV-2 is mainly transmitted by droplets or aerosols has been highly controversial. We sought to explain this controversy through a historical analysis of transmission research in other diseases. For most of human history, the dominant paradigm was that many diseases w...Read more -
Autumnal Equinox
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20th Anniversary Celebration !
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