Sentences with phrase «instance in a chemical reaction»

However, the shape of a molecule can change, for example, through proximity to other molecules, external forces and excitations, and also when a molecule makes a chemical connection with another molecule, for instance in a chemical reaction.

Not exact matches

In real chemical systems, the B - Z reaction for instance, quite similar bifurcation of spatial solutions occurs.

For instance, ozone depletion in the atmosphere occurs because of chemical reactions of hydrochloric acid on the surface of ice crystals and aerosols in the upper atmosphere.

Switching of a molecule's polarity could influence its ability to engage in various chemical reactions, for instance, that might have been important in getting life going.

Naturally made in grapes as a reaction to environmental stress (drought, for instance), resveratrol is one of several related chemicals, called polyphenols, that plants produce.

From a conventional perspective, for instance, the thyroid, seems to float of its own accord in the region of the throat, detached from the brain, the gut, the stomach, and a host of other hormonal and chemical actions and reactions.

Yet, for a different learning objective — for instance, understanding the cause and effect of a specific chemical reaction — involving that same student in collaborative problem solving might be the most effective learning approach.»

These sculptures, which Chiappa said were partly inspired by Jean Arp's aleatory «dropped paintings» (the holes in the cheese, for instance, were created by unpredictable chemical reactions), lined the walls at Kate Werble's booth, while another metal sculpture by the artist suggesting a basketball without the orange parts sat on the floor.

The famous Miller - Urey experiment of 1953, for instance, becomes, not one modest confirmation of a highly conjectural model of how life may have evolved from non-life, but instead proof, as one exhibit at the Field Museum in Chicago put it a few years ago, that «life could begin from chemical reactions between common materials found anywhere on earth.»