Anthropogenic and natural emissions occur at a ratio of 20 to 1.

These intense emissions occur seemingly at random across the sky and vanish in seconds.

The emission occurs when fast-moving cosmic rays strike hot gas and starlight.

Hence, for a given value of W, the lower the applied voltage V at which significant emission occurs.

The company did not dispute that the emissions occurred over four years but said they were not harmful to the environment or to the people.

"Comparing the proteins from two different genuses should make it easier to understand how light emission occurs," he said.

Therefore, higher emissions will occur at higher temperatures.

Secondary emission occurs at the surface of each dynode.

Fugitive emissions also occur at evaporative sources such as waste water treatment ponds and storage tanks.

These chemical emissions and amoeba movement occur every six minutes.