The phrase "a concentrations in" is not correct in English.
It should be "a concentration in" or "concentrations in" depending on the context. You can use "a concentration in" when referring to a specific area of focus or specialization, typically in academic or professional contexts.
Example: "She has a concentration in environmental science, which aligns with her passion for sustainability."
Alternatives: "a focus in" or "a specialization in".
To measure activin A concentrations in uterine washing fluid collected from women with couple infertility undergoing intrauterine insemination (IUI).
The two parameter combinations were identified as the essential inputs that govern the successful simulation of intermittently decreasing chlorophyll a concentrations in summer.
Studies of the effect of HRT and tibolone on Lp(a) concentrations in post-menopausal women are reviewed in this meta-analysis.
Dental sealants and restorations and urinary bisphenol A concentrations in children in the 2003-2004 National Health and Nutrition Examination Survey.
To determine whether apo(a) isoforms and plasma Lp(a) concentrations in association with some lipid parameters increase the relative risk for the development of atherosclerosis in patients with diabetes mellitus (IDDM and NIDDM).
To determine compound A concentrations in a low-flow circuit containing Drägersorb Free® (Dräger, Lübeck, Germany), Amsorb® Armstrongg, Coleraine, Northern Ireland), and Sodasorb II® (W. R. Grace, Lexington, MA).
a(Concentration in Food/1000) *Daily Food Consumption = Daily Intake.
In addition, TOC and chl-a concentrations in lake water were significantly related to AOB abundance and diversity (Table 3).
Additionally, total organic carbon and chlorophyll-a concentrations in lake water were significantly related to AOB abundance and diversity.
Chl-a concentrations in Tully River plumes measured from 0.1 to 9.74 μg L-1 (1.91 ± 4.6 μg L-1, mean ± 1 SD) over the 7 years.
The variation in the chl-a concentrations in the primary and secondary waters showed a maximum peak around f[0.5], which was not observed for the tertiary waters.
