The phrase "a long term associate" is correct and usable in written English.
It can be used to describe someone with whom you have had a professional or personal relationship over an extended period.
Example: "She has been a long term associate in our business ventures, providing valuable insights and support throughout the years."
Alternatives: "a long-standing partner" or "an enduring colleague".
Mahesh Bhupathi, the Indian doubles player who is retiring at the end of this season, and Ugo Colombini, a long-term associate of Juan Martin del Potro, will continue in the roles they took up earlier this year.
A member of Vladimir Putin's United Russia party and a long-term associate of oligarch Roman Abramovich, he became the unlikely champion of a new type of city that would answer the needs of the middle class that had sprung up in recent years.
Pannu, a long-term associate of Yeung's, raised a threat of suing Ivery over the book and said Ivery had been disrespectful when offering to meet Pannu in Hong Kong to give him a copy of the book in a "shit hole pub in wan chai girly bar [sic]".
If m = 1, individual j is a short-term associate of individual i, while if m = 5, individual j is a long-term associate of individual i, with obvious gradations in between.
New research suggests that strengthening the implementation of the rule of law or reducing corruption from the levels seen in countries such as Ukraine to the levels of countries such as Hungary is, over the long term, associated with a more than doubling of average incomes.
Yeung family members remain on City's board, which is principally run by Peter Pannu, a long term Hong Kong associate of Yeung's who earns handsomely from the club.
To evaluate cost-effectiveness within a long term horizon, downstream costs associated with poor neonatal outcome are estimated, and included in the analysis as a cost-to-benefit ratio.
Another possibility is that the developing familiarity with the patient in a long term relationship may be associated with less vigilance by the physician or less counseling in areas in which the patient may have initially shown resistance [ 40].
In addition to metal sequestration, enhanced calcium carbonate precipitation has many other potential applications, such as providing cementation for soil strengthening [10], and a long term sink for atmospheric carbon associated with CO2 storage/sequestration within geological media [11].
Our study reveals that the decrease in acute microglial activation was associated with a long term down regulation of synaptophysin and GAP-43 expression and to a significant decrease in BDNF production.
