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It is 281m3/h. 2 1.20 204.40 36.00 3 2.90 265.40 31.00 4 2.60 351.00 51.00 5 3.60 390.00 93.00 6 3.80 412.60 52.00 Total 292.00 The position of grouting hole and the bore of hole The position of grouting hole The number of grouting holes is directly related to the quality of grouting [4].
From the observation,it revealed that the fracture is filled with slurry and the strata is close-grained.
In the process of shaft digging, it is proved that the fractures were full filled and close-grained.

Figure 3: Wear characteristics of an active tool element during shear cutting [7] The factors which influence wear include the tool material, the cutting gap used in the specific process, tool coating, oscillations and key parameters such as material properties (e.g. rigidity) and the number of sheets processed.
Multi-phase steel has a fine-grained bainitic structure.
The wear characteristics already demonstrated by the cut surface parameters were also made visible by the structural orientation of the grains in the transition area between the smooth cut and fracture zones (see.

Due to the elimination of the grain boundary, single crystal superalloys can reduce or not adding low melting point of grain boundaries strengthen elements such as B, Zr and Hf, which leads to the increment of solidus temperature[2,3].
Conversely, if the aging temperature is low, the undercooling will be big, and the number of γ′ phase will become more.

Powder of nano-TiO2 with good crystallinity and small particle size has high photocatalytic activity because its quantum size limit, high specific surface area, large number of particles with high surface activity, short migration distance and small grain size.
The average grain size was 27.3nm, which obtained by Scherer formula.

The port was defined as the wall with dimensions 43.18 x 86.36 mm, being rectangular, with a power of 900 W, a Transverse Electric (TE) type mode, number 10 and 0 radians phase.
Corrêa, Colouring of Coffee Grains Related to Different Relative Humidity of the Drying Air After Partial Drying, Eng na Agric. 28 (2020) 343 – 349
Heat and Mass Transfer on the Microwave Drying of Rough Rice Grains: An Experimental Analysis, Agric. 11:1 (2021)

Although the ceramics had high melting points, the ceramics grains could still melt.
All these factors resulted in very high temperatures on the rubbing surfaces, especially on the rubbing ceramic surface, which caused the ceramics grains to melt.
In addition to the peaks of the above elements, XPS spectrum of worn surface of Si3N4 sample contained a number of other elements, Fe and Cr.

They discovered that the grain size, the amount of grain boundary and the density of the samples are important properties in the ionic conductivity.
The SEM also evaluates the milling process effect for decrease the number and the size of agglomerates.

It only takes 3–5 months to mature, and one hectare of sweet sorghum yields 3–7 t of grain, 54–59 t of stalks and 6–8 t of sugar [9].
Grain, leaves and stalks of sweet sorghum are commonly used as animal feed, among other uses.
Peaks in range 1300-1000 cm-1 in untreated sorghum (SV) indicated C-O stretch part of hemicellulose, pectin and lignin, and wave numbers 1600-1400 cm-1 indicated C-C stretch part of ring lignin [16, 23].

On the other hand the scheme of main stresses effects on grain size and microstructure formation of the processed metal.
Pilarczyk, “Analysis of reasons for increase of tensile, yield strength and number of twists of wires drawn in pressure dies”, Wire Journal International, vol. 34, iss. 7, 2011, pp. 138-147
Nikitenko, “The possibility of manufacturing long-length metal products with ultra-fine grain structure by combination of strain effects”, Key Engineering Materials, vol. 685, 2016, pp. 487-491, doi:10.4028/www.scientific.net/KEM.685.487

For Zn2SnO4 crystal, the Sn and Zn atom occupy the same octahedral site with the same occupation number.
This opens the possibility to improve the photocatalytic performance of composite Zn2SnO4-SnO2 such by controlling the grain size or by atomic substitutions.
Detailed observation and characterization such as through Transmission Electron Microscope (TEM) to obtain information on the morphology and grain structure are needed to clarify these observed properties.