Sentence examples for mean average roughness from inspiring English sources
The mean average roughness value (Ra) with addition of surfactant is 1.796 µm.
Specifically, second order mathematical models are presented for mean average roughness Ra (μm), maximum peak-to-valley roughness Rt (μm) and material removal rate Qm (cm min−1), obtained by means of regression analysis.
Table 1 shows the mean average roughness value of the HA-Zn coated and control specimens; the average roughness is 0.34 μm for the control group and increased significantly to be 1.09 μm for the HA-Zn-coated group (P = 0.009) when compared using a pair comparison of the Student t test using SPSS version 20.
The surface roughness of the unimplanted sample, which was mechanically polished before ion implantation, had a mean-average roughness of Ra=13.9 nm.
The average mean roughness (Ra) represents the arithmetic average of the deviations from the center plane of the samples.
Specifically, ultrasmooth (root mean squared average roughness between 1 and 3 nm), crack-free carbon films were produced.
Root mean square (rms) and average surface roughness as well as average grain size of the samples were obtained from the 2D AFM images using Nova and JMicroVision Codes, respectively.
The best roughness parameters for identifying the crack propagation mode are average roughness, mean roughness depth and mean height profile peak (Ra, Rz and Rpm).
Also, to study the surface features of prepared films, the main surface roughness parameters of these films, including root mean square (RMS) and average roughness (R a ) were measured by AFM analysis.
Fig. 8 Average surface roughness (Sa) mean values in micrometre across the four groups.
