"supplementary amount" is correct and can be used in written English.
It is a noun phrase used to refer to an extra payment in addition to an amount that has already been paid. For example: "We agreed to pay $5000 but offered an additional supplementary amount of $2000 to cover additional costs."
Without hydrogen, a high voltage polarization provides a supplementary amount of implanted nitrogen available for further diffusion and the sputtering of the surface passive oxide.
Similar trend was reported by Gema et al. [ 6] who observed that an addition of supplementary amount of ammonium sulfate to orange peel enhanced GLA synthesis.
Animals were weighed every morning, and fed a supplementary amount of rodent chow every evening, at least 12 hr before the following experimental session.
To authenticate that maximal reaction with NBD-Cl had been achieved, we incubated each membrane-bound F1Fo preparation with 150 μM NBD-Cl for 1 h as in Figure 2, followed by a supplementary amount of 200 μM NBD-Cl (totaling 350 μM) and continuing the incubation for an extra hour before assaying ATPase activity.
Therefore, supplementary amount of this important molecule is required by the body.
Polyethylene plastic granules with up to 5% content were found to be suitable as a road construction material, when blended in supplementary amounts with demolition wastes.
This type of metabolic anemia can be corrected by the administration of supplementary amounts of this vitamin into the body.
The ultimate source of these amino acids is the ingestion of supplementary amounts of food that is rich in proteins product.
This metal ion level in the blood can be corrected by the administration of supplementary amounts of iron salts that are easily absorbed into the blood and are easily transformed into its free ionic metal forms.
Supplementary feeding amounts were based 50% on current deviations from running weight, and 50% on a 5-day moving average of the amount historically fed.
