The phrase "a combination of three components" is correct and usable in written English.
It can be used when describing something that is made up of three distinct parts or elements that work together.
Example: "The recipe is a combination of three components: flour, sugar, and eggs, which create a delicious cake."
Alternatives: "a blend of three elements" or "a mixture of three parts."
Australian medical schools generally use a combination of three components for selection to undergraduate medical degrees: an academic score (generally based on school achievement), UMAT, and an interview.
Rowe & Kahn [ 11] distinguished between "normal" and "successful" aging - the latter a combination of three components: a) absence or avoidance of disease and risk factors for disease, b) appropriate physical and cognitive functioning, and c) active engagement with life (including autonomy and social support).
Our results suggest that the slow process of development of salt-induced hypertension in Dahl-S rats over a period of many weeks can be well represented by a combination of three components that differ in their timing, reversibility, and their associated effect on the chronic pressure natriuresis relationship.
Besides, a combination of two components, named pulse and step, constitutes an accepted model of the saccadic generation system.
SEM is a combination of two components: (1) a measurement model that defines latent variables by using one or more observed variables, and (2) a structural regression model that links latent variables together (Kline 2011).
Based on this model, we assume that the quality of a 3D image is perceived as a combination of two components: the quality of the cyclopean view, and the quality of the binocular image.
The synthetic accessibility score – SAscore in our approximation is calculated as a combination of two components: The fragmentScore, as already mentioned, was introduced to capture the "historical synthetic knowledge" by analyzing common structural features in a large number of already synthesized molecules.
Frailty was classified using the criteria established by Fried et al., as a combination of five components: shrinking, weakness, exhaustion, low activity, and slowed walking speed.
Our criteria for the adequate definition of "cold spell" constituted a combination of two components: a) the severity of temperature, expressed as a percentile or absolute measure; and b) the minimum duration of two consecutive days of the event.
For example, the deficiency of one or a combination of two components of the pericellular matrix, such as type VI collagen, type IX collagen, matrilin 3, decrin, biglycan, and fibromodulin, results in early onset of OA in mice.
Basically, the intervention was a combination of two components: I) computer-tailored lifestyle advice (called: PRO-FIT*advice), and II) counselling (face-to-face and telephone booster calls) using Motivational Interviewing (MI).
