The phrase "a partial reduction of" is correct and usable in written English.
It can be used when discussing a decrease or lessening of something, indicating that the reduction is not complete.
Example: "The study showed a partial reduction of symptoms in patients after the treatment."
Alternatives: "a limited decrease in" or "a slight reduction of".
Given what even a partial reduction of aid will mean for Palestinians, the quartet is looking for ways to soften those demands.
We thus conclude that a partial reduction of Plk1 activity that does not block cell division can nevertheless impair aortic homeostasis.
Only a partial reduction of Cu II) to Cu(I) was observed.
It has been tried before, but when the pressure is only moderate — such as a partial reduction of aid or less favorable trade conditions — North Korean leaders have simply ignored it.
(When Ronald Reagan entered the White House, he wanted to see the war room. This gives one pause. But, later, working with Mikhail Gorbachev, he brought about a partial reduction of nuclear weapons by both sides).
At 200 350°C in the same gas mixtures a partial reduction of the Cu2+ ions is observed.
We found that a partial reduction of Bi2O3 to metallic Bi takes place during the nanocomposite preparation.
Results indicate that the strong interaction of the alkylpolysulfide with the solid provokes a partial reduction of both the sulfur and molybdenum ions.
Notably, blocking in C. elegans appears to be of a more limited magnitude than in rodents: while blocking in rodents often results in a complete elimination of learning to CS2, our best conditions only result in a partial reduction of learning to CS2.
The effect of compounds A, B and C on leukocyte recruitment was paralleled by a significant inhibition of interleukin-6 and prostaglandin E2production in the exudate, similarly to indomethacin, and by a partial reduction of vascular permeability.
