Sentence examples for chemical problems from inspiring English sources

He investigated hot springs and earthquakes, the absolute measurement of high temperatures, and physical and chemical problems regarding volcanoes.

It requires all UK water bodies to be checked for ecological and chemical problems and for all of them to be rated as "good" by 2015.

Because nearly all the natural radioactive elements had then been discovered, he devoted the next 12 years to studies on the application of radioactive methods to chemical problems.

At the time, psychoanalysis dominated most academic psychiatry departments, but Dr. Kety "believed that there were physiological and chemical problems that lay behind mental disease," said Dr. Louis Sokoloff, chief of the laboratory of cerebral metabolism at the mental health institute, who worked with Dr. Kety as a postdoctoral student at the University of Pennsylvania.

The Laplacian eigenvalues of G can be used in several physical and chemical problems.

Secondly, both of the groups practiced solving chemical problems for 30 min.

Do you think average levels of depression, the kind that everyone experiences from time to time, exist as a chemical problem in the brain?

Seven years after antidepressants were invented, and five years after Ayd asserted that depression was a chemical problem, psychiatrists finally had a precise, scientific explanation for why they worked.

"If somebody has a chemical problem, you usually see side-effects from it," he explains, "but you can't tell for a long time if someone is just sitting in front of a computer.

The aim of the conspiracy is to convince us that it's all in our heads, or, specifically, in our brains — that our unhappiness is a chemical problem, not an existential one.

These theories also demystify Ritalin because they imply that A.D.H.D. is a chemical problem which should be treated with a pill, not a societal problem too complicated for a medical solution.