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Carbon Dioxide (CO2) is considered as a useful and easily measurable indicator for the ventilation and air quality of the indoor environment. Although this pollutant itself is not causing serious health issues with lower concentration and short durations, the higher concentration can indicate the lower ventilation level and possible air contamination with other pollutants. The study compared the naturally...
Carbon dioxide (CO2), Methane (CH4) are two most potent greenhouse gases and are major source of climate change. Human activities particularly fossil fuels burning have caused considerable increase in atmospheric concentrations of greenhouse gases. CO2 contributes 60% of anthropogenic greenhouse effect whereas CH4 contributes 15%. Ice core records also show that the concentrations of Carbon dioxide...
With the rapid development of architecture technology, people pay more attention to the environment in the buildings. Supermarket is one kind of special buildings which different from other living and office buildings, and its pollutions have some special characteristics. The paper studies the air and acoustics pollutions in one supermarket located in northeast of China, which is based on the method...
A radiative transfer model for a linearly or nonlinearly anisotropic scattering medium is developed. An arbitrary-order spherical harmonics method (PN-approximation) was presented to decompose the radiative transfer equation into a set of coupled partial differential equations which solved by the tridiagonal matrix method. By using PN-approximation formulation, the greenhouse effect from carbon dioxide...
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