Climate change and the developments it spurs carry the narrative of the Quaternary, the most recent 2.6 million years of Earth's history. Glaciers advance from the Poles and then retreat ...

In today’s Lightning Round video, we cover several topics, including quaternary computing and how it can use DNA for data ...

Quaternary (Four-Piston) Diaphragm Pump. The design of the QF1200HT is closely related to Quattroflow’s QF1200 pump; however, the QF1200HT has integrated the pump chamber, pump drive ...

Next in the chain come tertiary and quaternary industries, also known as the service industries. Tertiary and quaternary industries tend to be more important in more economically developed countries.

Background: Alkyl ester quaternary ammonium compounds (ester quats) are used extensively in fabric rinse conditioners. It is important to document in the literature the outcome of historical ...