background: it has been shown that inhalation of carbonaceous particulate matter may impair lung function in children. objective: using the carbon content of airway macrophages as a marker of individual exposure to particulate matter derived from fossil fuel, we sought direct evidence for this association. methods: 300 children from puffed rice industrial areas and 300 children from population ...

this research presents a numerical tool to estimate the green's function operator matrix of intraplate faults. having this matrix and its inverse, spatial distribution of fault slippage could be investigated through the inverse analysis of geodetic data. this information could be employed to predict the location of future powerful earthquakes. to implement fault sliding in fe calculations,...

abstract today, the concept of a city without green spaces in any shape is not imaginable. by the results of a city development and their ecological complexity, the existence of green spaces and their development have been inevitable forever. in recent research, the condition of the green space in firoozabad city has been studied. the methodology in this research is descriptive-analytical and a...