C18 - Wikipedia
https://en.wikipedia.org/wiki/C18
C18 may refer to: C18 (C standard revision), an informal name for ISO/IEC 9899:2018, the most recent standard for the C programming language. Caldwell 18 (NGC 185), a dwarf spheroidal galaxy of the Local Group in the constellation Cassiopeia. C18, the molecular formula of cyclo(18)carbon.
Oukitel C18 Pro
https://oukitel.com/products/c18pro
The exciting Oukitel C18 comes with a 6.5'' HD+ hole-punch camera, a 400mAh battery, and features a MediaTek Mt6757 octa processor. C18 comes with great cameras. The specs can be seen below.
C18 Industrial Diesel Engines | Cat | Caterpillar
https://www.cat.com/en_US/products/new/power-systems/industrial/industrial-diesel-engines/18375224.html
The Cat ® C18 Industrial Diesel Engine is offered in ratings ranging from 429-522 bkW (575-700 bhp)@ 1800-1900 rpm. Industries and applications powered by C18 engines include: Agriculture, Ag Tractors...
Cat® C18 Marine Engine Overview - YouTube
https://www.youtube.com/watch?v=iIbnvkMVP-Y
Cat® C18 ACERT Marine Propulsion Introduction and Engine Description.
Difference between C8 and C18 Columns Used in HPLC System
https://www.pharmaguideline.com/2018/05/difference-between-c8-and-c18-columns.html
C18 is denser than C8. The denser parking will increase the surface area that the molecule in a C18 HPLC is extensively used in environmental science, pharmaceutical industries, radioanalytical...
Discovery C18 and C8 HPLC Columns | Sigma-Aldrich
https://www.sigmaaldrich.com/analytical-chromatography/hplc/columns/discovery-hplc/discovery-c18-c8-hplc-columns.html
Discovery C18 and C8 HPLC Columns. Classic reversed-phases for all general-purpose applications. C18. C8. Bonded Phase: Octadecylsilane, endcapped.