Sentence examples for more complex pollution from inspiring English sources

Although the effects of other unmeasured risk factors cannot be excluded with certainty, our data suggests that TSP and SO2, or a more complex pollution mixture associated with these pollutants, contribute to an excess risk of low birth weight in the Beijing population.

Finally, another difficulty is that the measured pollutants are only part of a more complex air pollution mixture, and the effects of "PM10" and "NO2" may vary among studies and may be a less or more adequate measure of the effects of air pollution.

Collection of such data, in concert with more spatially resolved outdoor pollution gradients (e.g., through kriging or LUR), would allow the development of more complex exposure models for air pollution (see, for example, Marshall et al. 2006 and Wu et al. 2005).

We hypothesized that adults living closer to a highway are more likely to suffer from respiratory symptoms and that effects of traffic exhaust might be even more clearly visible in this sample than in a previous Swiss study involving both rural and urban areas with more complex structures and sources of pollution [ 9].

However, "real-world" air pollution is far more complex than exposure to an individual agent because real-world air pollution contains freshly emitted primary aerosol as well as photochemically aged secondary aerosols formed in the atmosphere during the oxidation of gas-phase precursors (Kanakidou et al. 2005).

The relationship between actual levels of air pollution, ill health and individuals' beliefs about the relationship between air pollution and ill health and the severity of air pollution locally is more complex than suggested so far.

"Air pollution problems are more complex, more widespread, and affect everyone," says Balasubramanian.

Modern-day air pollution is much more complex than that in the past, such as that in the London Smog in the 1950s.

But in urban and suburban areas the causes have been more complex, with everything from cats to air pollution and pesticides being blamed.

However, to achieve unity power factor and alleviate specific harmonic pollution, its controller design becomes more complex.

As combustion systems have to meet increasingly more demanding air pollution standards, their design and operation becomes more complex.