A type of packing material used in packed columns and towers that provides a high surface-to-volume ratio. It consists of a hollow cylinder with an internal structure such as a bar or cross arrangement that provides strength and additional surface area (see Fig. 25). They are made from various materials such as plastic, glass, and ceramic, and are available in various sizes. See packing.
Fig. 25
- new town
- new trade theory
- new urbanism
- New York Stock Exchange
- New Zealand
- New Zealand Company
- New Zealand, fauna of
- New Zealand, flora of
- New Zealand Statistical Association
- New Zealand Statistician
- NEXAFS
- NEXRAD
- next-generation sequencing
- Next Generation Weather Radar
- nexus
- Neyman allocation
- Neyman, Jerzy (1894–1981)
- Neyman Lecturer
- Neyman-Pearson lemma
- Neyman–Pearson lemma
- Ney, Michel, Duc d’Elchingen (1769–1815)
- Ne’eman, Yuval
- Ne’eman, Yuval (1925–2006)
- NFC
- N-firm concentration ratio