Sentence examples for deterioration of emission from inspiring English sources

Despite the progress in reducing the emission rates of new vehicles, emission system component failure, lack of proper maintenance, tampering, and the normal deterioration of emission control system performance all act to offset these emission benefits.

The result shows that emission rates are almost constant with model year, but increase with age groups because of emission deterioration.

Overall, the effect of emission control system deterioration and vehicle longevity is that emission rates of a large portion of the vehicle fleet exceed those of new vehicles by as much as an order of magnitude or more.

The method was designed for the analysis of both samples without perceptible deterioration of the pieces, by monitoring the emission lines of the major elements present in each sample while subjecting the pieces to a number of laser shots.

The observed changes in the microbial complex seem to be associated with the changes of root emissions and general deterioration of the plants' condition.

The main problems that the damaged rivers face are either the locally altered hydrological processes affected by construction of hydraulic facilities, or the deterioration of water quality resulted from pollution emissions, or both.

Learn the common causes of emission issues.

Air-particle pollution in China, which is caused by increasing fossil fuel consumption and industrial particulate emissions, gives rise to the deterioration of air quality and severe haze weather.

The objective of this study was to provide a basis for effectively protecting nonsmokers from acute sensory impacts and for preventing deterioration of indoor air quality caused by environmental tobacco smoke (ETS) emissions.

The deterioration of air quality in street canyons occurs due to combined effects of proximate emission sources, dynamical processes (reduced dispersion) and chemical processes (evolution of reactive primary and formation of secondary pollutants).

And they urged the United States to recommit to cutting carbon dioxide emissions as part of a global charter to prevent a deterioration of the world's climate.