Sentence examples for chemicals that exist from inspiring English sources

A full understanding of the radiolytic formation and evolution of organic matter is essential to appreciate the budget of organic chemicals that exist in cometary and interstellar ices, carbonaceous meteorites, and to understand the results of analyses of irradiated extraterrestrial organic matter, such as that in cometary nuclei.

Under current law the EPA screens only a small fraction of the tens of thousands of chemicals that exist in the marketplace.

When soil gets eroded and ends up in streams, rivers and other waterways, chemicals that exist in soil mix with the water and create problems for plant and animal life.

Over the last decade, Mr. Stierle said, the couple have found 142 organisms living in it and have "isolated 80 chemical compounds that exist nowhere else".

The depth of nanopores was roughly in agreement with the thickness estimations obtained from depth profiling data and different chemical compositions that exist at different depths of even a thin anodic overlayer.

In the latter half of the past century, as air pollution became an increasing problem in many large cities, attention turned to identifying the sources, properties, and effects of the myriad of chemical species that exist in the natural and polluted atmosphere.

The number of chemical species that exist in both blood and cells is 8, and that in both cytosol and mitochondria is 10.

Constitutive defenses include the physical and chemical barriers that exist before insects attack, whereas induced defenses includes direct and indirect defenses.

When in the water, swimsuit material tends to absorb the various chemicals and bacteria that exist in pools or the ocean.

The focus is on fuel production from the primary product although some of the chemical extraction opportunities that exist are highlighted in this context.

Polyfluoroalkyl substances (PFASs) are a group of common chemicals that ubiquitously exist in wildlife and humans.