"combination ratio" is a correct and usable phrase in written English.
It is used to describe the proportion of components when something is combined with something else. For example, "We used a 10:3 combination ratio when combining the two ingredients."
The combination ratio of cockleshell and natural zeolite was optimized using D-optimal mixture design (DMD).
The maximum no. of nodules plant−1 were 86.1% more than that treated with 0 100 combination ratio of RP and compost, respectively.
The release rate of microspheres could be controlled as desired by adjusting the combination ratio of dispersing agents to retarding agents.
Besides, the HCWA PFA combination ratio of 50 50 and 40 60 has been found to exhibit the optimal flexural and compressive strength performance.
Moreover, no research work reports about the optimum combination ratio of RP and compost, its time and rate of application except on lentil (Ditta et al. 2015; Ditta and Khalid, 2016).
Rock phosphate enriched compost (RP-EC) with a combination ratio of 50 50; RP and compost applied before 7 days of sowing in pot experiments resulted in the maximum nodulation, growth and productivity of chickpea.
compared to other combination ratios (Table 2).
This might be due to the different etching mechanism of NaOH NaOCl solution for different combination ratios.
For instance, at first, both methods begin with the set 0 composed of 9 points corresponding to Reynolds number combination ratios of 30/50/70.
Expressions of the three fluorescent proteins were able to be selectively regulated by altering combination ratios of the three types of recombinant baculoviruses.
The different combination ratios of RP-EC were applied at 600 kg ha−1 (0.3 g kg−1 soil), thoroughly mixed with soil and the pots were arranged in completely randomized design (CRD) with six replications.
