The phrase "a calculated amount of" is correct and usable in written English.
It can be used when referring to a specific quantity that has been determined through careful consideration or analysis.
Example: "The scientist measured a calculated amount of the chemical to ensure the experiment's accuracy."
Alternatives: "a precise quantity of" or "a determined amount of".
The propellers not only had to be efficient but had to produce a calculated amount of thrust when operated at a particular speed by the engine.
After dissolving HAuCl4 in water, the solution was stirred while a calculated amount of sodium citrate was added.
A calculated amount of the second seed culture was centrifuged at 4 °C and 5000g for 10 min to harvest the cells, which were washed in the YNB medium with two further cycles of centrifugation (4 °C, 5000g).
A calculated amount of LOR dissolved in aliquot of ethanol was added in the vortex of the vigorously stirred suspension of the plasticized aqueous polymeric gel.
Our experiment showed that slugs excreted viable C. botulinum type C in feces up to four days after orally being given a calculated amount of ≅ 5.8 (SD ± 0.1) × 10 CFU C.
These silos were "hardened" to resist a calculated amount of blast and shock from a nuclear detonation.
For preparation of the multiwalled carbon nanotube (MWCNT /CuO composites, a calculated amount (60 mg) of synthetic multiwalled carbon nanotubes (CNT Co., Ltd., Incheon, South Korea) was first dispersed and sonicated for 3 h in 100 mL deionized water in the presence of cetyltrimethylammonium bromide (CTAB, 99%, 0.2 mg, Sigma-Aldrich, Saint Louis, MO, USA) [16].
The dsDNA was injected on flow cells of a streptavidin (Sigma -coated CM3 Sigma -coatedt a flow rate of 10 µl/min until the CM3culated amount of DNA that givesensorximum AreA663–797 binding chipcity of 100 RU were bound.
The dsDNA was injected on flow cells of a streptavidin (Sigma -coated CM3 Sigma -coatedt a flow rate of 10 μl/min until the CM3culated amount of DNA that givesensorximum chipbinding catacity oflow0 ratead been bofnd.
Three La2O3-doped samples were prepared by impregnating a given dry weight of the mixed hydroxides with calculated amount of lanthanum nitrate dissolved in the least amount of distilled water sufficient to make pastes.
The concentration of oxygen ions in the solution was modifying by dropping the calculated amount of BaO.
