The phrase "a direct relationship of" is correct and usable in written English.
It can be used when discussing the connection or correlation between two or more entities, concepts, or variables.
Example: "There is a direct relationship of trust between the manager and the employees, which fosters a positive work environment."
Alternatives: "a direct correlation between" or "a straightforward link of".
Rather, the revolutionary message of the Ten Commandments is that this moral order is tied both to the order of the cosmos and to a direct relationship of covenantal love and responsibility between God and a community of human beings.
For IR to grow and remain in the hands of radiologists, a direct relationship of radiologist and patient is a must, and the IR departments have to have their own beds and control over admissions and clinical management of the patients.
Although we believe that there may be a direct relationship of the masticatory sensory-motor changes with cervical pain and disability, we must also consider the possibility that the changes seen in patients could have been mainly influenced by pre-established neuroplastic changes in the central nervous system.
Substituting the relationship of (tilde {textbf {Y}}_{1}) with the original information X in (5), we obtain a direct relationship of the new information vectors with the original packets textbf{Y}_{2} = textbf{E}_{2}^{prime}tilde{textbf{E}}_{1}textbf{X} = textbf{E}_{2}textbf{X}.
A direct relationship of the megaplasmid pMOL30 to other megaplasmids is less certain.
Our study reveals a direct relationship of cancer cells with pathogenic bacteria, suggesting a TLR2-mediated mechanism in bacterial infection-associated human breast cancer metastasis.
Weiland and Jazayerli both cited the lack of a direct relationship to the game as one of the reasons for their success.
The scholarship awarded a student has a direct relationship to the amount of tuition billed on the student's account.
We examined various phlebotomus species circulating in Tunisia to prove the existence of a direct relationship between cases of meningitis and virus circulation in the vector.
The value of resistivity has a direct relationship between porosity of subsurface material.
Finally, the results revealed a direct relationship between number of perceived community assets and size of perceived neighborhood.
