"immense improvements" is a correct and usable part of a sentence in written English.
You can use it to describe a great amount of progress or changes that have taken place, particularly in a positive way. For example: "The company has seen immense improvements over the last year, in both productivity and profits."
We have seen immense improvements in the water system in Australia, but it is still far from perfect.
Such immense improvements in LBLA-derived BC/GO hydrogels can be explained by the following factors (Fig. 7).
But there has been an immense improvements in human rights and the living standards of hundreds of millions of Chinese over the last 45 years.
Along with immense improvements to machinery and construction techniques over its six-year course, the war provided planners an opportunity to conduct a survey of 375,000 drivers, asking them about their preferred route to travel to their destination.
Although there have been immense improvements in the treatment of ccRCC during recent years, there is a gradual increase in the incidence of this disease.
He is correct in saying that the Civil War brought immense improvement in the design and quality of guns (from cannons to pistols).
The external speaker on the DVD-LV75 was adequate for the casual viewer, but attaching a pair of decent-quality headphones was an immense improvement.
Upgrading from vodka to the acid-base combination was an immense improvement but the chemicals still leave residue behind as they move through the channel.
Some of the ecstatic reactions from musicians, subscribers and critics are surely because of the immense improvement the hall offers over the orchestra's old home across First Street, the cavernous and acoustically indistinct Dorothy Chandler Pavilion.
An investment banker in New York who knows Sony's management well reckons that Sir Howard "is not the most hands-on operator, nor a shake-it-up kind of guy, but compared with the fossils who've been running Sony, he's an immense improvement".
Figure 10 is of true importance as it justifies CON to possess immense improvement over SOI, SON and COI as per DIBL is concerned.
