Sentence examples for quantity of pollutants from inspiring English sources

In an extensive analysis of geographic exposure modeling and its usefulness in environmental epidemiology (Beyea and Hatch 1999), the authors emphasized the importance of considering all uncertainty aspects when making the models: type and quantity of pollutants, their pathways into surroundings, exposed population, and time of pollution.

The reflection of such pollution in the karst underground waters depends on the type and quantity of pollutants, and on the rock structure through which the waters penetrate.

(ii) The alteration or addition could significantly change the nature or increase the quantity of pollutants discharged.

This calculates the total quantity of pollutants emission from vehicles based on speed, proportion of vehicle types, and traffic volume.

Environmental pollution and energy use in the light-duty transportation sector are currently regulated through fuel economy and emissions standards, which typically assess quantity of pollutants emitted and volume of fuel used per distance driven.

Using the theory of nonlinear programming, we have formed an optimal model in which the link capacity is one main constraint and the minimum of the total quantity of pollutants emission is the goal and designed its algorithm solution.

Then, a known quantity of pollutant (e.g. CO, propane) was injected into the exhaust, so as to create an approximated pulse input into the DOC (e.g. with peak CO concentration = 3000 ppm).

During diffusion phase, more quantity of pollutant is extracted at low flowrate than at high flowrate.

A lower system cost would be incurred if a larger quantity of pollutant emission is allowable; meanwhile, the planning scheme with a higher cost would urge the environmental quality maintain at a higher level.

However, rates of over 16% water exchange increase operating costs, such as the amount of fuel used, as well as increasing the quantity of pollutant inputs [ 8].

On the opposite coast of North America another metropolis, New York City, produces greater quantities of pollutants than does Los Angeles but has been spared major air pollution disasters only because of favourable climatic and geographic circumstances.