Chemical pollution has a serious impact on the health of the Earth.

This shirt is made of chemical fiber.

Natural language understanding is an important field of artificial intelligence.

Solving a linear equation is difficult.

Solving a quadratic equation is difficult.

He worked all night to find the solution to the partial differential equation.

I am learning how to solve ordinary differential equations.

The concept of chemical equivalent is essential for understanding chemical reactions.

My company specializes in the manufacture of fine chemicals.

Chemotransmitters play an important role in the transmission of information between nerve cells.