Carbocations are species bearing a formal + charge on carbon. The have sp2 hybridization and trigonal planar geometry, with an empty p orbital on carbon, perpendicular to the plane containing the substituents (see diagrams shown to the right).
Aortic cross-clamp. An aortic cross-clamp is a surgical instrument used in cardiac surgery to clamp the aorta and separate the systemic circulation from the outflow of the heart. An aortic cross-clamping procedure serves, for example, in the repairing of coarctation of the aorta.
Cross-laminated timber (CLT) is â¦ a multi-layered solid timber panel product manufactured to be used for wall, floor and roof elements of a buildingâs superstructure.CLT is made from kiln-dried finger jointed spruce/fir planks which are laid out into sheets.The sheets are then stacked at right angles and glued together in perpendicular layers using high pressure bonding. The majority of CLT panels currently manufactured use polyurethane adhesive to glue the sheets together.LT is made from kiln-dried finger jointed spruce/fir planks which are laid out into sheets. The sheets are then stacked at right angles and glued together in perpendicular layers using high pressure bonding. The majority of CLT panels currently manufactured use polyurethane adhesive to glue the sheets together.