The phrase "a different quantity" is correct and usable in written English.
It can be used when discussing variations in amounts or measurements in various contexts, such as mathematics, science, or everyday situations.
Example: "If we use a different quantity of ingredients, the recipe may yield a different flavor."
Alternatives: "an alternative amount" or "a varying measure".
I'd put my lamb chops on the grill — five of them, each a different shape, with a different quantity of fat — and touch one, even though I knew it was going to be soft and mushy.
Consequently, a different quantity has to be used for comparing the performance of different 4 π focusing optics.
The argument in [9] uses a different quantity, which involves the norm of the second fundamental form.
The shift velocity is a different quantity from the mean flow velocity, and the shift velocity can be estimated at different wavenumbers.
Depending on the Si/Al ratio of the zeolite, i.e. the proximity of two Brönsted acid sites, the Mo-atoms substitute a different quantity of OH groups.
The stability of PIMs for a different quantity of plasticizer 2-NPOE (0.01 0.03 ml) in PIMs preparation under the same conditions was evaluated.
But what they saw was a fast bowler who is fast reaching maturity, a wholly different quantity from the gauche figure of two years ago.
To gain insight into ex vivo cytokine production, we analyzed BM plasma from patients and controls for the same soluble factors as we did in cell supernatants: in Figure 1F, we show that CXCL10 and OPN were present in a significant different quantity (P = 0.01 and P = 0.04, respectively) representing a possible marker of MS BM.
Moreover, the variance of the resubstitution AUC estimator is a totally different quantity from the variance estimated in the DeLong et al. method.
As a consequence, different quantities that in a DNS depend on the Reynolds number, such as the dissipation rate or the Kolmogorov scale, behave as though the simulation had multiple values of the Reynolds number.
These weaknesses do not, however, appear to be a major problem, as the different quantity scores used in the present study showed very similar associations.
