The phrase "a sample composed of" is correct and usable in written English.
It can be used when describing the components or elements that make up a sample in various contexts, such as scientific research or analysis.
Example: "The study analyzed a sample composed of various species of plants collected from the region."
Alternatives: "a sample made up of" or "a sample consisting of".
Each trial began with the presentation of a sample composed of four elements in a 2 × 2 matrix.
Patients and Methods: We used a multicenter retrospective cohort study design and a sample composed of patients treated for mandibular fractures.
A bi-disperse model or two-component unipore equation, for a sample composed of vitrinite with slow diffusivity and inertinite with faster diffusivity, produce a much better fit (Ryan and Mannhardt 2007).
For this purpose, a sample composed of 45 Italian NTBFs which at the beginning of 2000 were located on technology incubator within a park is compared with a control sample of off-incubator firms.
For this purpose, we take advantage of a new data set relating to a sample composed of 506 Italian young firms that operate in high-tech industries in both manufacturing and services.
As a general rule if a sample, composed of a pure element (μs = μi) in a geometry for which ϕ = θ = 45°, absorbs ~10% of primary beam at edge energy, self-absorption reduces the signal by about 5%, which is already enough to introduce noticeable errors into the analysis [43].
Fig. 4 Temperature-dependent PL spectra of the annealed a A-sample composed of three 10 nm-wide and one 20 nm-wide GaAsBi/AlAs QWs and b B-sample composed of 20 10 nm-wide GaAsBi/AlAs QWs.
As they describe, let A be a purified sample of one type and AB be a mixed sample, composed of tissue or cell types A and B. Let E i (AB)(E i (A)) be expression of gene i in Sample AB(A) for i=1,…, m.
A major strength of the present study was the use of a large sample composed of greater than 900 participants who displayed a wide range of depression scores and manifestations of imagery.
Using a population-based prospective study design, a large sample composed of 1277 adolescents with ADHD-alone, 46 with ADHD + ODD, 87 with ADHD + CD, and 5640 age/gender-matched controls were enrolled in 2003.
The analysis is implemented based on a novel sample composed of nine of China's typical RIs.
