Assuming long-term superimposed permanent loading of 1 kPa and a live load (Q) of 0 kPa the long-term column strip deflection at mid-span of the 9.5m span was expected to be approximately 63mm (Â± 20%).
chelation - (medicine) the process of removing a heavy metal from the bloodstream by means of a chelate as in treating lead or mercury poisoning
Chelation is useful in applications such as providing nutritional supplements, in chelation therapy to remove toxic metals from the body, as contrast agents in MRI scanning, in manufacturing using homogeneous catalysts, and in fertilizers.