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The XRD pattern reveals that the diffraction peaks are well indexed to standard JCPDS card number 39-1490.
Fig. 2 (b) shows that the average grain size becomes 72 nm.
Fig 2 (c) depicts that the average grain size is 74 nm.
Thus FESEM results reveal that average grain size is around 72-100 nm.
By subsequent spill over, the number and the speed of electrons released to the host material increases.

During a number of entity highway engineering, various kinds of treatment methods are recounted and the applicability is analyzed.
According to the code for design of highway subgrade (JTG D30-2004) [2], red clay's liquid limit generally greater than 50%, after handling it remains the characteristics of red clay, if the liquid limit is more than 45%, it is called sub red clay; The specification and specific provision: if the liquid limit is more than 50%, plasticity index greater than 26 fine grained soil, it may not be directly as the embankment filling.
Wan Zhi [8] do some compaction test of red clay respectively by mixed the red clay with lime, sand, and the combination of the mixed with lime and sand Chen ning expressway three pile Numbers ,and analysis of the relationship between dry density and water content, the relationship between dry density and mixed ratio, the optimum moisture content and admix ratio as well as the factors affecting the compaction, the relation of red clay are analyzed from the perspective of adding components strength characteristics change.Yi Jianbo [9] do some research by controlling the thickness of RCC, water content, compaction machinery and pass and mixed with gravel and other measures, the red clay as filler in the subgrade construction and improved method are studied, the results show that the method is effective for stabilizing the strength of red clay.
Novak s [16] for Shanghai rui highway sections of red clay of the area in Jiangxi province, conducted a series of filler on the spot test, the mineral composition, silicate, chemical analysis, grain size composition is done a comprehensive research and other aspects, physical and mechanical indexes of red clay were determined, and found that most of the liquid limit of red clay, CBR value does not meet the specification for design of highway subgrade as embankment packing requirements.
Hang jail sting [17] in Guangdong shogun quoin to Kaohsiung in the highway engineering, through a large number of experimental results of data analysis, found that the maximum dry density and there is an obvious linear relationship between natural water content.

Hardness, drilling force and moment and number of holes drilled/tool measurements were carried out on specimens prepared from grain refined, Sr modified and heat treated Al-Si alloys.
Hardness, drilling force and moment and number of holes drilled/tool as a function of different metallurgical parameters (i.e.
Fig.1 (e, f) show the interaction plot for the mean values of drilling force and number of holes drilled data in terms of different combination of factors.
Fig.2 (a-d) show the results for the number of holes drilled.
(e, f) Interaction plot for the mean values of drilling force and number of holes drilled data.

The commercial availability of SiC-based devices has been limited by a number of factors including wafer supply, cost, wafer size and crystal quality.
Recently a number of vendors of 4H and 6H SiC wafers have emerged and 100 mm diameter wafers are commercially available.
Fig. 2 shows a 4H (392 nm) band-edge PL intensity map of the SiC wafer from vendor number 2 (above).
We believe that these are low angle grain boundaries.
Table 1 shows the results of an informal survey of SiC wafers that we have measured in collaboration with a number of our customers.

The data model of the TSP problem with the basic ACA can be stated as: assumes the number of ants is m, and the number of cities is n.
After a certain number of iterations, we can get an optimal path ultimately
And when selecting parallel granularity, according to [5], the coarse-grained parallel strategy is more effective.
With coarse-grained parallel strategy, we averagely distribute these ants to each processor.
· Step 9: If the node number is local node number, broadcast its local solutions and local information matrix to all other nodes, else, receives the all information broadcasted and updates local information

With the increase in the number of finely dispersed mineral additives in concrete, their water demand increases and the effect of micro-filling weakens.
This is due to an increase in the number of heterogeneous charges in the system and, as a consequence, an increase in the strength of adhesive contacts, as evidenced by the data of X-ray phase analysis.
Depending on the dispersion, the mineral additives are subdivided into cement diluent additives, similar in grain size distribution to cement, and sealants, for example, silica fume, which have a particle size of about 100 times smaller than cement grains (specific surface 20-30 m2/g) [7].
On the other hand, the micro-filler effect is based not only on the “physical factor” and its hydraulic activity, but also on the formation of the smallest grains of crystallization centers in the contact zone of cement, increasing the strength of cement stone and concrete [6, 8].
Most likely, this is due to an increase in the number of heterogeneous charges in the system and, as a result, an increase in the strength of adhesive contacts and, accordingly, the plastic strength of the cement paste.

It has been established that the main mechanisms responsible for an increase in the mechanical and tribological properties of the material are solid, dispersion, and grain boundary.
An additional pulsed melting of the modified layer was carried out with a high-intensity electron beam on the installation “Solo”, designed and developed at the Institute of High Current Electronics of the SB RAS, under the modes: the electron energy is 18 keV, the energy density of the electron beam is (45-60) J/cm2, the duration and the number of pulses is 100 microseconds, 10 pulses; 200 microseconds, 20 pulses, the pulse repetition rate is 0.3 s-1; the irradiation was carried out in an argon medium under a residual pressure of 0.02 Pa.
The carried out structure and phase studies have shown that the main mechanisms responsible for the improvement of mechanical properties of the material are: solid-solution (saturation of the crystalline lattice of titanium with atoms of carbon and boron); dispersion (separation of nanoscale particles of carbide, boride, and carbon-boride phases); grain boundary (formation of the grain structure of submicron sizes).

At these temperatures, grain size coarsening is hardly depressed and nano-WC is not readily reached.
After 200 h milling, the W2C diffraction peaks were obviously broadened which is indicative of grain refinement.
When ball milling reached 48 h, the grain size of WC was refined into 7 nm.
The product was composite powders of WC (about 5 nm grain size) embedding on the base of Al2O3.
At the same time, a great number of high active radicals and excited particles exist in DBDP which significantly increase the activity of the reaction system [33].

The heat transfer and fluid flow mechanisms in isotropic case are governed by periodicity parameter (N) Rayleigh Number (Ra), Darcy number (Da), aspect ratio (A), Prandtl number (Pr) and media permeability (K).
Applications of porous media can be found in grain storage, chemical catalytic reactors, geophysics problems, heat exchange, etc., which are well documented in the reviewed in book of Nield and Bejan [1], Vafari [2], Ingham and Pop [3].
Both flow strength and heat transfer increases with increasing of the Rayleigh number.
Using non dimensional quantities and , the above differential can be written as (5) (6) (7) (8) Where ,, and are the Rayleigh number, Darcy number, aspect Ratio and Prandtl number respectively.
The controlling parameters: aspect ratio (A), Prandtl number (Pr), Darcy number (Da) and Rayleigh Darcy number (Ra.Da) are fixed at 1.5, 0.71, 10-4and 50 respectively in the entire calculation presented here.

The grain of fine white sand consists of clear crystals.
The grain shape is mainly angular-to-round.
Fig. 2 shows that the grains of Nong Phok sand were almost loose and fine.
The grain shape was mainly angular-to-round.
However, these effects seemed to have no relationship to the atomic weight, atomic number, or unpaired 3d electrons in the transition metal oxides [28].