"research vacuum" is a correct and usable phrase in written English.
It would typically be used to refer to a gap or lack of knowledge or information in a particular field or topic. Here is an example sentence: "The study on marine life was hindered by a research vacuum in the area, as no previous studies had been conducted on the effects of pollution on the local fish population."
In this research, vacuum plasma spray (VPS) process was applied to fabricate TaSi2 coating.
Such a research vacuum could explain why there is no mechanism in place for supply side cost sharing.
The synthesis of these previous studies revealed certain research vacuum which future studies in the area could fill.
We suggest that this topic represents yet another research vacuum for Mozambique.
Addison's plea to keep the Committee scientists aloof from current demands created a research vacuum for the new Ministry to fill.
Last but not least, cryogenic research, including vacuum pumps for International Thermonuclear Experimental Reactor, improvements in thermal insulation, cryogenic instrumentation and small on board refrigerators has supported progress in this field.
Mr. Bellesiles's research fills a vacuum, according to William Hosley, a former curator of the Samuel Colt gun collection in Hartford, Conn., and the author of "Colt: The Making of an American Legend" (University of Massachusetts, 1996).
The idea is that, instead of doing your basic research in a vacuum, you try to work closely with clinicians and their patients to accelerate the process of finding cures.
The powers that be at NCI, the National Cancer Institute, often argue that you cannot look at cancer research in a vacuum.
Forty years ago, the building held the Bell Laboratories, a research institution where the vacuum tube, the condenser microphone and the transistor were invented.
The battery market is forecast to be worth $120bn in 2019 according to industry research firm Freedonia Group, and vacuum cleaner firm Dyson recently joined electric carmaker Tesla, Korea's Samsung, Panasonic of Japan and IBM in investing heavily in battery research.
