资讯

The rate of a chemical reaction can be increased by using smaller solid particles which increases the surface area of a solid reactant. This is done by cutting the substance into small pieces ...
But the simple relationship between any object's surface area and volume infiltrates every field of science and engineering. It's a major factor in the shape and size of everything from plants and ...
a series featuring science stories from public radio stations across the United States. This story, by Dan Boyce, was originally published by Colorado Public Radio. The surface area of Colorado is 104 ...
This field of science requires advanced equipment to observe how individual layers of atoms and molecules behave on the extremely pure surface of a metal, for instance. Fuel cell technology is one ...