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⊆ Recent Posts ⊇

Air Quality in Schools & Children’s Exposure to Particulate Pollution

Children in schools constitute a particularly vulnerable population group to indoor air quality, because of their physiological and behavioural characteristics. They have higher ventilation rates and higher levels of physical activity with the result that they receive much higher doses of air pollutants than adults.

Air Quality Investigation at Schools in Hong Kong

Indoor CO2 concentrations exceeded the ASHRAE standard due to overcrowded classrooms and inadequate ventilation. Implementation of more breaks and recesses between classes might alleviate the high level of CO2. The occupancy of classrooms in Hong Kong often exceeded the maximum occupancy of the ASHRAE 62-1989 standard. Decreasing the number of students in each classroom can also lower the CO2 level. Increase the rate of ventilation could remove the accumulated CO2; for example, the use of ceiling fans, exhaust fans could increase the exchange of indoor air with the outdoor.

Project BioSUB – Live Underwater with a coiled Algal Oxygen Bar

Australian marine biologist Lloyd Godson lived for two weeks inside the world’s first self-sufficient, self-sustaining underwater habitat BioSUB. He breathed air from microalgae that gave off oxygen through a gas-exchange Biocoil, watered with recycled urine.

WOOFAA to Show Algal Oxygen Bar at ECO EXPO Asia 2019

WOOFAA will exhibit its Smart Algal Oxygen Bar, which can turn carbon dioxide into oxygen through algae photosynthesis and features a smart monitoring system to control purification efficiency.

Air Pollution Infographics Collection – Health Effects

Collection of infographics on Indoor Air Quality and Health: Facts, Problems, Factors and Solutions. The Value of Cleanliness in Offices – Clean facilities are not just a cost. They generate revenue.

Treat CNS/Brain Diseases Caused by Low Brain Oxygen/CO2 Levels

Our observation of a reduced functional connectivity during CO2 breathing is consistent with previous reports that light sedation or anesthesia (Deshpande et al, 2010) decreases connectivity in DMN regions, and is also in line with the suggestions that CO2 has a mild sedative effect.

Influence of CO2 on brain activity and metabolism in conscious humans

Our observation of a reduced functional connectivity during CO2 breathing is consistent with previous reports that light sedation (Greicius et al, 2008) or anesthesia (Deshpande et al, 2010) decreases connectivity in DMN regions, and is also in line with the suggestions that CO2 has a mild sedative effect (Fukuda et al, 2006).

How Carcinogen Radioactive Radon Gas is Monitor Indoor

Radon is found to be the second most common reason for lung cancer (after smoking). Since radon can easily be trapped inside buildings, indoor radon concentrations can increase to many times that of outdoor levels. When radon gas decays, it emits radioactive radiation in the form of an alpha particle/waves.

Review of International IAQ Standards

Main objective of this paper is to establish a comprehensive review of Indoor Air Quality (IAQ) guidelines and other standard values that are implemented currently.

Pelucchi Shown in International Air Purifier Exhibition AIREXPO

派洛奇出色的產品性能,精緻的外觀吸引了大量的參觀者駐足了解。

⊆ Formal Studies ⊇

Air Quality Investigation at Schools in Hong Kong

Air Quality Investigation at Schools in Hong Kong

Indoor CO2 concentrations exceeded the ASHRAE standard due to overcrowded classrooms and inadequate ventilation. Implementation of more breaks and recesses between classes might alleviate the high level of CO2. The occupancy of classrooms in Hong Kong often exceeded the maximum occupancy of the ASHRAE 62-1989 standard. Decreasing the number of students in each classroom can also lower the CO2 level. Increase the rate of ventilation could remove the accumulated CO2; for example, the use of ceiling fans, exhaust fans could increase the exchange of indoor air with the outdoor.

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