The phrase "improvement stage" is correct and usable in written English.
It can be used to describe a phase in a process where enhancements or progress are being made.
Example: "During the improvement stage of the project, we focused on refining our strategies and increasing efficiency."
Alternatives: "development phase" or "enhancement period."
With the use of residual analysis and statistical techniques, more reliable and proper results were obtained at the process improvement stage of the saponification process.
Facebook also knows that she has friends in the home improvement stage of life and that Emily "likes" certain of their posts.
Its impact was however analysed during the model improvement stage.
A cycle of evaluation consists of three stages: self-assessment by the institution itself, formal evaluation by superior administration, and the point-to-point improvement stage by the institution.
However the authors can always relax this assumption into more general forms at the model evaluation and model improvement stages.
There was a slight improvement in stage: the proportion of stage I II was 2.8% in the 1976 1980 period and 8.8% in the 2001 2005 period (P<0.001).
Considering the improvement in stage production and musical curation taking place on festival stages across six continents, and this weekend's significant lack thereof, if Digital Dreams is seeking to stay around and be something more than a local long-weekend party than Ink Entertainment and Live Nation better step their game up.
Increasing PET Use in Small Cell Lung Cancer: Survival Improvement and Stage Migration in the VA Central Cancer Registry.
Hong, JC, Boyer, MJ, Spiegel, DY, Williams, CD, Tong, BC, Shofer, SL, Moravan, MJ, Kelley, MJ, and Salama, JK. "Increasing PET Use in Small Cell Lung Cancer: Survival Improvement and Stage Migration in the VA Central Cancer Registry". Journal of the National Comprehensive Cancer Network : Jnccn 17, no. 2 (February 2019): 127-139.
Some reviewers praised the scenery and overall production quality, considering the film an improvement over stage adaptations of the novel.
The involvement of the clinical pathologist was deemed essential in the improvement planning stage as well as during the audits and therefore is now always present at meetings with GPs in the Castelnovo né Monti district.
