Sentence examples for composition and sources from inspiring English sources

This study was designed to assess at four spatial scales (i) the variation of the abundance and mass of marine debris and (ii) the composition and sources of these items in sandy-tourist beaches of coastal zones of the province of Buenos Aires, in northern Argentina.

Carbonyl absorbances showed substantial variation in strength, number of peaks, and wave number shift between samples, indicating variability in composition and sources.

The knowledge of chemical composition and sources of air polluted is demanded in any program aimed at controlling the levels of pollutants in order to evaluate and reduce their impact on human health.

However, the specific composition and sources of the particles may be important determinants of response.

Because the composition and sources of particles vary dramatically by location, studies are needed in other regions.

Although Notch and other signalling pathways have previously been reported to regulate quiescence of stem cells4,5,6,7,8,9, the composition and source of molecules that maintain the stem cell niche remain largely unknown.

Body composition and source of weight loss after bariatric surgery.

BACKGROUND: Little is known about the composition and source of weight loss after bariatric surgery for morbid obesity.

In this work, paired indoor and outdoor PM2.5 species concentrations from three geographically distinct cities (Houston, TX, Los Angeles County, CA, and Elizabeth, NJ) were analyzed using positive matrix factorization (PMF) and demonstrate that the composition and source contributions of ambient PM2.5 are substantially modified by outdoor-to-indoor transport.

The composition and source of diets were described elsewhere [21].

We have also considered the case of heterodimerization in the toggle switch, since the noise- and functional stabilization of the switch may be directly affected by the composition and source of the dimers.