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Alumina balls were selected so that certain similarities can be established with the well-accepted PEI (Product Enameler Institute) method, where gloss loss is measured in terms of the number of revolutions of steel balls and alumina powder in a wet environment.
According to X-ray diffraction, no evidence was found for the presence of crystalline mullite grains.
As more energy is deposited on the surface of the tiles, the microstructure evolves into a more compact matrix, reducing the number of pores.
However, although the pores are greatly reduced, there is an increase in the number and length of cracks, which were not present in the untreated sample.
Only the latter two can be applied to our materials due to the absence of mullite grains.

Most of the melilite is formed as head to head structure, the grain size generally is 0.026mm.
The crystalline phase is melilite crystallite, formed as interwoven, fibrous structure, and the grain size is 0.026mm.
The melilite is formed as feathery, interwoven and head to head structure, and the grain size is 0.56mm to 1.51mm, corrosion structure can be seen in local.
All the crystalline phase of slag film numbered D is melilite after adjusted to, and have small crystallization granularity.
Cuspidine appeared in the slag film numbered C, its melting point is high and friction is strong.

It can partly attributed to limited number of slip system of IMC a great aberrance to lattice structure [6].
As mentioned above, B2 phase is ductile theoretically but recent study implied that the ductility of B2 based alloys is mainly decided by the grain size.
TABLE 1 Nominal Chemical Compositions of the Alloys and lattice parameter Concentrations of ingredients of alloys in atomic percent、lattice parameter and phase Serials number Nb Ti Al B2/βphase lattice parameters Deviation phase a Nb-50Ti 50 50 — a=3.283 Å ±0.0005 Å B2/β b Nb-40Ti-15Al 45 40 15 a=3.305 Å ±0.0012 Å B2/β c Nb-50Ti-15Al 35 50 15 a=3.267 Å ±0.0013 Å B2/β d Nb-40Ti-10Al 50 40 10 a=3.302 Å ±0.0006 Å B2/β e Nb-39Ti-18Al 43 39 18 a=3.279 Å ±0.0006 Å B2/β f Nb-55Ti-22Al 23 55 22 a=3.280 Å ±0.0009 Å B2/β and O g Nb-25Ti-15Al 60 25 15 a=3.318Å ±0.0016 Å B2/β h Nb-15Ti-15Al 70 15 15 a=3.294Å ±0.0006 Å B2/β i Nb-20Ti-20Al 60 20 20 a=3.280 Å ±0.0006 Å B2/β and δ Result and analysis A．Microstructure i h g e d f c b a Fig. 1 Optical microstructure of the alloy Microstructures of nine Nb-Ti-Al based alloys were investigated by optical microscope.
By analyzing the grain orientation of the triple junctions; boundary energies of most grains are almost same.
Because in BCC crystal consisted of the same atoms, the reflection planes of h+k+l=odd number are systematic absence to X-ray diffraction.

The hardware facilities, experimental equipments and the number of instruments have a substantial increase.
And a large number of culture solutions and culture mediums which was harmful microbes (such as e.coli, dung escherichia coli and so on) with high concentration produced in the biological monitoring laboratory.
Or for instance the treatment of mercury grain, it can gather in mercury grain with burette firstly.
Then it spreads a layer of sulfur powder on the place remaining mercury grain.
Try to avoid the failure of large number of chemical reagents, which can save the cost.

In figure 3(d) the number o individual crystals is remarkably low, only several protruding from a compact layer and showing a random orientation.
Figure 3(f) depicts a large number of plate-like crystals with a large number uniform in shape and the smaller crystals diverging, again, from a central point and forming bundles of crystals.
First the grain boundary on each grain was estimated by an edge – detect filter with a Sobel algorithm (shown in figure 4).
By inverting the images the contours of the grain was refined and the surface was estimated (figure 5).

Table 2 Numbers of acid sites of samples under different calcination temperature Calcination temperature [] 400 450 500 550 600 650 700 750 Number of acid sites [mmol·g-1] 1.671 2.248 2.924 3.452 3.810 3.540 2.802 2.003 Synthesis of 3,5-Dinitropyrazole.
Crystallization process of TiO2 could be delayed after H2SO4 dipping, and most of was amorphous when calcined under 500, which demonstrated that existence of has some effect on the grain growth of TiO2, and the crystal would have smaller grain-size and larger specific area, so the crystallization process could be induced to some extent.
With the existence of , the crystal would have smaller grain-size.
This conclusion was consistent with that of numbers of acid sites at different calcination temperature (Table 2).

However, this design that needs to modify the browser and its permission mechanism is not sufficient enough to enforce privilege separation because of its coarse grained policies.
The master interposes on all the privileged calls from workers by enforcing a fine-grained policy code that is application-specific and can be modified freely by developers.
In our design, an extension has a common privileged master and an arbitrary number of unprivileged Web Workers [6].
Conclusion We propose a new design that uses Web Workers to partition a web application into an arbitrary number of unprivileged components.
Fine-Grained Privilege Separation for Web Applications.

Cryogenic treatment process table Number of process Treatment process 1 Solution treatment 2 Solution treatment +cryogenic treatment at -160℃ and 1 hour 3 Solution treatment +cryogenic treatment at -160℃ and 2 hours and 30 minutes 4 Solution treatment +cryogenic treatment at -160℃ and 5 hours The SLX-80 program-controlled cryogenic container by own design was used during cryogenics treatment in this study, is shown in Figure 1.
Fig. 3 Changes of mechanical properties at room temperature of the steel after different cryogenic treatment process In Figure 3, the number of progress 1,2,3,4 is that solution treatment, solution treatment and cryogenic treatment at -160℃ and 1 hour, solution treatment and cryogenic treatment at -160℃ and 2.5 hours, solution treatment and cryogenic treatment at -160℃ and 5 hours.
Results of friction test on 06Cr19Ni10 austenitic stainless Number of process Process Friction coefficient Weight loss factor of upper sample Weight loss factor of down sample 1 Solution treatment 0.374 0.625 0.388 2 Solution treatment +cryogenic treatment at -160℃ and 1 hour 0.373 0.619 0.383 3 Solution treatment +cryogenic treatment at -160℃ and 2.5 hours 0.361 0.555 0.363 4 Solution treatment +cryogenic treatment at -160℃ and 5 hours 0.371 0.579 0.372 Discussion Generally, brittllement of material is increased after cryogenic treatment.
So the surface of the 06Cr19Ni10 austenitic stainless steel is formed grain abrasion.
Under the dry friction, wear characteristics is sticking friction in the early stage, then is formed grain abrasion, in the end it is formed abrasive dust by spalling under the sticking friction and grain abrasion.

A detailed microstructure observation allowed to conclude that the TiAl-(Ag) bulk samples were not homogeneous concerning the grain size.
For the same oxidation temperature, the samples with lower grain sizes (10-20µm), behaves always better than the samples without Ag addition (10-20µm) and much better than the samples with higher grain sizes (20-40µm).
The Ag doped sample exhibits lower number of pores inside the oxide scale than �-TiAl.
This distribution is clearly observed by backscattered electron image in atomic number contrast (Fig. 2, TiAl-Ag 900ºC); the lower the atomic number the brighter is the image.

Introduction Operation of a large number of thermal units in many industries require extensive use of expensive and scarce building materials such as refractory products.
In our view, the reduction of fire resistance occurs for two reasons: firstly, introduction of the ash instead of a similar number of quartzite leads to reduction of SiO2, secondly, with an increase of the number of components in the mixture, processes of solid state reactions intensified and the formation of liquid phase occurs at a lower temperature.
In thin section (Fig. 5a) between the numerous round shaped pores there is fine-grained mass of light gray color, consisting of at least, two phases - weakly anisotropic with isotropic and clearly anisotropic which diagnosed as cristobalite (main phase) and quartz, which is clearly observed by crossed nicol prisms of microscope in immersion specimens with perceptible difference of the refractive indices of minerals: low cristobalite and a typical (about 1.544) in quartz. 3 3 3 1 3 2 2 3 4 3 2 1
а) Transparent section, without analyzer. b) Polished section. 1 - quartz-cristobalite mass; 2 - pores; 3 - grains of quartzite; 4 - light grains - ore material.