Ghts together with the enhance in production drift spacing, indicating that the stope had the best mining impact when the sublevel height was 19 m.Fourth segment Average206.12 207.23.81 22.229.93 231.97.18 96.ten.35 9.Metals 2021, 11,(1) Single-factor analysis In line with the numerical simulation drawing results, the single issue evaluation of 16 7 of 20 schemes was carried out [30]. The difference between recovery and dilution ratio Y and sublevel height H and production drift spacing B is shown in Pyrotinib In stock Figure 5.(a)(b)Figure five.5. Relationship with the difference amongst recovery and dilution ratio Y and sublevel height Figure Connection on the distinction involving recovery and dilution ratio Y and sublevel height HH and production drift spacing B: (a) relationship curve of sublevel height H along with the distinction and production drift spacing B: (a) connection curve of sublevel height H and the distinction among recovery and dilution ratio Y;Y; (b) connection curve of production drift spacing B and the among recovery and dilution ratio (b) connection curve of production drift spacing B plus the distinction in between recovery and dilution ratio Y. difference among recovery and dilution ratio Y.(2) By analyzing the changing trend from the curve in Figure 5a, it can be seen that the Diversity Library Screening Libraries Extensive analysis difference in between recovery and dilution ratio at every production drift spacing very first inTable 2 demonstrates a quadratic polynomial with MATLAB (MathWorks, Natick, creased then decreased with the raise in sublevel height. The distinction in between MA, USA), and also the final results are shown in Figure 6. The vertex in the surface within the figure recovery and dilution ratio when the production drift spacing was 20 m regularly rewas at a sublevel height of approximately 19 m, as well as the production drift spacing was mained the largest compared with other production drift spacings together with the boost in about 20 m. The quadratic function relation of your difference between recovery sublevel height, indicating that the mining effect was optimal when the production drift and dilution ratio Y concerning sublevel height H and production drift spacing B may be spacing was 20 m, along with the maximum value was 86.54 at the sublevel height of 19 m. obtained via fitting evaluation, which might be expressed as: Metals 2021, 11, x FOR PEER Review difference involving recovery and dilution ratio enhanced from 85.16 to 86.54 , 17 eight of your with aY = -0.13H2 – 0.157B2 along with a modest change- 0.018HB production 2drift spacing was development ratio of 1.62 five.594H six.517B when the – 36.172(R = 0.8756) (11) 20 m and also the sublevel height elevated from 17.five m to 19 m, indicating that the values ranging from 17.five m to 19 m had been the acceptable sublevel heights. By analyzing the altering trend of the curve in Figure 5b, it might be observed that the distinction amongst recovery and dilution ratio at each and every sublevel height 1st enhanced and then decreased using the boost in production drift spacing. The difference in between recovery and dilution ratio when the sublevel height was 19 m continuously remained the biggest compared with other sublevel heights with all the enhance in production drift spacing, indicating that the stope had the top mining effect when the sublevel height was 19 m. (2) Comprehensive evaluation Table two demonstrates a quadratic polynomial with MATLAB (MathWorks, Natick, MA, USA), along with the results are shown in Figure six. The vertex on the surface inside the figure was at a sublevel height of.