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.

Stoichiometry is a method for calculating the amount of substances in a chemical reaction.

No chemical flavoring is used in this ramen at all.

He solved the problem in a scientific way.

He is good at tactical thinking.

He exercises every day and leads a healthy life.

Fundamental knowledge of mathematics is necessary to solve advanced problems.

This park was completely artificially made.