"thin relationship" is correct and usable in written English.
You can use it to refer to any kind of relationship between two people that is weak or not close. For example, "The two of them had a thin relationship, often keeping their conversations to a minimum."
The lack of other infrastructure players could reflect the thin relationships that the cofounders have.
The results showed that the hyperbolic model predicated the shear thinning relationship for the smart cement slurries very well.
The results showed that the hyperbolic model predicated the shear thinning relationship between the shear stress and shear strain rate of the polymer modified bentonite drilling mud very well.
She even manages to sell the paper-thin relationship between her character and Bruce Wayne, winning the audience's investment in the pair's happiness.
Prevalence of regional myocardial thinning and relationship with myocardial scarring in patients with coronary artery disease.
But as the media industry becomes more fragmented and news staffs thin, partner relationships are much harder to come by.
A full three quarters of the studies touting a decreased risk of cancer, and about the same percentage of studies warning of an increased risk, showed very thin statistical relationships — barely significant.
Of all lawyers, they have the thinnest of relationships with their clients—namely, the the huge classes whose interests they claim to represent.
On top of that, people end up with fewer real friends with whom to talk through important life issues because they spend so much time developing thin-sliced relationships online.
For an experiment based on this relationship, thin, disk-shaped concrete samples (25 mm in height) were prepared and placed on a soft mat, which provides a soft boundary condition that maximizes the capability of the disks for free vibration and minimizes noise from the external experimental conditions.
