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(1) Mesoscopic structure characteristics Rocks containing clay minerals, illite / smectite minerals in the rock surface of the particles flaky directional distribution; better kaolinite polymorphs was worm-like, the book - like film cemented chlorite is developed, and moresurrounding detrital grains surrounding the formation of the pore-lining side
(1) Mesoscopic structure characteristics Rock contains a large number of mainly pure montmorillanite, Iraq/shuffle layer minerals in rock particle surface is flake, directional distribution, local have dissolution cavity development, kaolinite and illite filling in rock particles in microcracks. (2) Mineral composition analysis Clayey sand contains a large number of water swellable mainly pure montmorillanite, secondary mineral have illite and kaolinite and chlorite and mineral, mainly pure montmorillanite content 57.1% among them, Iraq/shuffle layer mineral of the whole mainly pure montmorillanite content of 40%, kaolinite and illite content is low.

Over the years, refractory compounds such as nitrides, borides and a number of carbides have been synthesised by a method based on obtaining a tungsten oxide precursor coated with a layer of amorphous carbon.
Experience shows that microwave heating does not allow the WO2 crystals to grow and fixates grain growth.
For example, if we design a tungsten carbide for catalysts, it is necessary to additionally introduce carbon or to initially take the required number of the excess, if for alloys, it is necessary to remove free carbon.

The cement was made of P.O 42.5 Portland cement; the silica ash had a particle size of less than 2 μm and the density was 2.214 kg/m3; The quartz sand had a coarse particle size of 0.63~1.25 mm, 0.32~0.63 mm and 0.16~0.32 mm respectively; Fine three-grained quartz sand; Basalt fiber (BF) was short-cut continuous fiber with lengths of 12 mm and 6 mm respectively.
Table 1 Basalt fiber performance indicators Fiber type Density/g·cm-3 Elastic modulus/GPa Tensile strength/MPa Diameter /μm Elongation at failure /% Basalt Fiber(BF) 2.4 80~110 3 000~4 000 13 2.4-3.1 Table 2 RPC mix proportion (kg/m3) Number W/B Fiber length Cement Silica fume Coarse sand Medium sand Fine sand Fiber quality (volume fraction) Water reducer Water ZY1 0.22 12 756.52 226.96 737.76 371.00 169.46 1.2(0.05%) 68.09 169.02 ZY2 0.22 12 756.16 226.85 737.41 370.82 169.38 2.4(0.10%) 68.05 168.93 ZY3 0.22 12 755.80 226.74 737.06 370.64 169.30 3.6(0.15%) 68.02 168.84 ZY4 0.22 6 756.16 226.85 737.41 370.82 169.38 2.4(0.10%) 68.05 168.93 2.2 Test scheme.
Table 3 Basalt fiber RPC compressive strength Number Fiber length(mm) Fiber volume fraction(%) Cube compressive strength fcu(MPa) Axial compressive strength fc(MPa) fc / fcu ZY1 12 0.05 79.9 62.2 0.78 ZY2 12 0.10 83.7 74.5 0.89 ZY3 12 0.15 67.2 60.2 0.89 ZY4 6 0.10 74.1 57.8 0.78 4.

Methods for Determining the Polymeric Materials’ Permeability There are a number of methods for determining the permeability of polymeric materials: the method of labeled isotopes, amperometric, membrane [l, 8-9], etc.
Indexes a and b are calculated according to the test results according to the formulas: (4) (5) where is a mean value of the logarithm of thereagent resistance index; - mean value of logarithm of test time; andare respectively, the logarithms of the reagent resistance and test time indexes in the i-th series of samples (intermediate periods); n - number of batch of samples tested in the interim.
Khadzhishalapov, The influence of the filler grain composition on the properties of the heat-resistant basaltic, Herald of Daghestan State Technical University.

The properties of the rock and soil and the geological structure of the reservoir bank Thematerial composition, the properties, the weathering and theunloadingof the rock and soil of the reservoir bank direct control the width, the speed and the form of the reservoir bank instability.Based on the reservoir bank of the Three Gorges Reservoir bank stability analysis, Hao Wang[1] et al.considered that it is easy to produce the wide range of the reservoir bank instability when the soil grains are very small and the porosityof soilis big.
First assuming the number of possible sliding surface on the reservoir bank,then carrying out force analysis of the number of vertical soil strip above the sliding surface,the stability safety coefficients of the reservoir bank in the state of limit equilibrium are directly calculated.The minimum stability safety coefficient of the reservoir bank stability is found out to judge the reservoir bank stability by means of the trial method.

The time step was adjusted to maintain a maximum Courant number of less than 1.
The dimensionless Froude number (Fr) and Archimedes number (Ar) were usually used to predict the fluidization behavior of a given fluid-particle system [4,15].
Benyahia, Coarse-Grained-Particle Method for Simulation of Liquid–Solids Reacting Flows, Ind.
Moncada, Particle Densimetric Froude Number for Estimating Sediment Transport, J.
Goossens, Classification of fluidized particles by Archimedes number, Powder Technol. 98 (1998) 48-53

If we denote with ci¢ the mole fraction of component i in one of the two phases and with V¢ its volume, then the number of moles ni¢ is given by: (14) Similarly for the second phase, we have: (15) For the model to be equivalent to the real system, a number of moles nis must be attributed to the parting surface in such a way that: (16) where ni is the total number of moles of component i in the system.
The amount nis represents the number of moles adsorbed at the surface, or "surface excess", and can assume both positive and negative values.
Similarly, the molten Ni alloy penetrates along the grain boundaries of the ceramic substrate.
A noticeable crystallization of HfB2 grains is also found at the solid-liquid interface.
In recent years the increasing interest in ultra high temperature ceramics has led to a number of new studies specifically related to joining processes, mainly by means of brazing.

The serial numbers of soil press cells used to measure the pile and soil press were F04, F06 and F07.
Soil press cells with the serial number of F01 to F03 from bottom to top were used to examine the soil press among the piles.
Strain gauges were used to examine the pile axis force and the interaction of pile side and soil, which serial numbers were J01 to J04 from bottom to top.
Centrifugal Model Test Progress First, foundation soil was filled by layers (every layer thickness equal to 40mm and it should be close-grained), and at the same time the mini soil press cells and piezometers were also located by predesigned.
In the following analysis the data of number J02, J03, J04 strain gauges were used, and that of the number J01 was only used as a reference.

For an ideal alloy with the vacancy mechanism operating, Ni can be calculated as the product zNCiCVwit, with z being coordination number, N is number of lattice sites, CV is vacancy composition and wi is an exchange frequency of an atom i and a vacancy.
It is assumed that maximum length is xmax=40, where x-∞=-20 and x+∞=-20 i.e. x varies from -20 to +20 and the number of grid spacings in the x direction is n=200.
Hence, the constant mesh size along the x-axis is equal to the dimensionless number ∆x=0.2 (-20≤x≤+20) with a smaller time step ∆t=0.0001.
The work presented in this study is based on non-dimensioned numbers.
Divinski, Radioactive isotopes reveal a non sluggish kinetics of grain boundary diffusion in high entropy alloys, Scientific reports, vol. 7, no. 1, p. 12293, 2017

Several numerical studies of the defects on nanowires have been reported, such as the study of the grain boundaries effect on the mechanical tensile behaviour of twinned metal nanowires [16].
For Case , a number of parallel SFs are generated after yielding, with only one intrinsic SFs is found in a different plane at the left end of the nanowire, which intersects with , as highlighted by the rectangle in Fig. 5(e1).
The left and right figures of each group are visualized according to the value between 0.5~10 and the coordination number between 4~12, respectively.