The phrase "a firm association" is correct and usable in written English.
It can be used to describe a strong or solid connection between two or more entities, such as organizations, ideas, or individuals.
Example: "The research highlighted a firm association between regular exercise and improved mental health."
Alternatives: "a strong connection" or "a solid relationship."
To them, Dresden retains a firm association with High Culture, the kind with capital letters.
(Anderson Susanna Hoffss (Monday) Thanks to their radio staples "Walk Like an Egyptian" and "Manic Monday," the Bangles have held a firm association with the '80s brand of pop irreverence.
It might also be wise to consider asking for certain proofs to have been established before a firm can claim to be able to make a firm association between a disease and a DNA sequence.
Microbial assemblage as biofilm around the aquatic plant forms a firm association that largely depends upon the mutual supplies of nutrients, e.g., microbes interact with plants in an aquatic system most likely for organic carbon and oxygen, whereas plants receive defensive immunity and mineral exchange.
In sharp contrast with spermatozoa from heterozygous males, Rnase10 KO sperm were unable to establish a firm association with the surface of the zona pellucida (Fig. 5 B).
While Chuna manipulation of non-spinal/pelvic areas may also have positive therapeutic effects on IDD, evidence was insufficient to establish a firm association.
(E ) Exchange of two glycine residues in a hydrophobic stretch of Aim24 by charged residues does not alter its firm association with the membrane.
The juxtamembrane KKGK motif of CD146 is required for its firm association with ERM proteins (Luo et al., 2012).
This would explain the firm association with the inner membrane.
Psoter et al. [ 20] discussed the limitations of these two longitudinal studies, and concluded that no firm association between early childhood PEM and the age of eruption of PT exists.
Other law firm associations are looser and may serve a different function.
