quaternary वाक्य

उदाहरण वाक्य

1. The area was covered in red sand that represented Quaternary river terraces.
2. Quaternary ammonium cations have four organic groups attached to the nitrogen atom.
3. Exposed materials within the area are limited to serpentinite and quaternary sediments.
4. Generally speaking, this encompasses pre-Western contact Late Quaternary extinctions.
5. The commercial deposits of diatomite are restricted to Tertiary or Quaternary periods.
6. He was the first chemist to synthesize the quaternary amines.
7. After the first step, a quaternary ammonium iodide salt is created.
8. Quaternary sediments are buried beneath Bazman's eruption products.
9. :: : Quaternary is a common word in chemistry.
10. In 1995 Shackleton became Director of the Godwin Institute for Quaternary Research.