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These approaches are opening up application possibility on the irresorbable bioceramics in which dissolution was enhanced at grain boundary.
Thereafter, the composite nanospheres (denoted as Silica@Sr-x@Silica) were LbL assembled with the strontium ions (odd number) and silica gel (even number, except for the first silica core layer) alternately until the desired multilayered microunits were achieved.

.% in each ampoule and no grain boundaries and defects were found under the metallographic-microscope and SEM observations.
A number of diffraction peaks are observed in the 2θ angular range between 20° to 80°.
The electronic thermal conductivity (κe) of metal-like Pb1-xCdxSe crystals (x= 0, 0.01, 0.03, 0.05, 0.07) can be evaluated using the Wiedemann-Franz law κe=LoT/ρ as shown in Fig. 6, where Lo is the Lorentz number, ρ is the electrical resistivity, and T is the absolute temperature.

The results indicated that XRD pattern of the film matches with PDF No.00-040-1500 (tetragonal SrTiO3).This indicated that the film was mainly composed of tetragonal SrTiO3 grains. according to the XRD pattern, a small quantity of SrCO3 also likely existed.
With the increase of current density from 2A/cm2 to 3A/cm2, the number of cavities per unit area decreased, meanwhile, hole became bigger and more irregular.
As frequency was raised from 50Hz to 150Hz, the surface morphology became smoother and the number of cavities per unit area decreased, although some much bigger ones appeared on the surface.

Introduction Nanostructured materials are known to show a variety of novel electrical, thermal, mechanical, magnetic and optical properties as the grain size is reduced to the nanometer length scale.
A number of MR fluid samples were prepared with hydraulic oil as the fluid medium.
For the Hybrid MR fluid, the stem of each chain was very solid and dense with each stem being well separated with lesser number of pores inside the chain.

Furthermore, the oxygen content was found to vary with different synthetic procedures, and the power factor (=S2/ρ) was found to increase with the number of OVs [6,7], suggesting a possible means of modifying the physical properties.
The internal friction (IF) method is a well-known technique for studying the phase transition and the relaxation of micro-units such as point defects, dislocations, grain boundries and domain walls in ceramic oxides like oxide-ion conductors [8], barium titanate ceramics [9] and so on.
With the existence of large numbers of isolated OVs, and the b axis parameter of RS Ca2CoO3 subsystem increases distinctly, which makes the bond weaker, the relaxation strength increases.

Several studies have been devoted to the synthesis and tribological performance evaluation of ceramic oxide coatings deposited on a large number of Al alloys obtained through the MAO process[3-5].Although several investigations have been carried out, the complete tribological characteristics of MAO coatings high stress levels have not been studied.
At a number of randomly selected locations, the scanned regions were photographed and these micrographs were subjected to analyze the coating characteristics.
The surface micrograph exhibits a dense ceramic coating, witch contains many grains and few ostium with various sizes.

However, due to the low atomic number of Si (Z = 14), its absorption efficiency is low.
A great advantage of compound semiconductors is the possibility of growing materials with a wide range of physical properties (band gap, atomic number, density).
These are interesting findings and, to our knowledge, have never been reported before, especially for single crystal semiconductors (i.e. no grain boundaries).

But the descriptions on the internal structure in the melter gasifier are different with a number of patents and papers[1-4].
In the experiment, the wax with the diameter 3 mm was used to simulate DRI and the corn grain with the diameter 3 mm was used to simulate coke and lump coal.
Similarly, the blast volume was calculated according to the Froude number[11, 12].

In the production of test samples the original untreated raw material was used that was grinded in a laboratory Muller mixer for dry mulling so that the maximum grain was less than 1 mm large.
In this case, small deviations were observed (error is less than 1 %) that were probably caused by a small number of measurements or possibly a larger deviation of a single measurement.
The use of a correlation relationship to determine the compressive strength from the bulk density value Conclusion Based on the achieved results, we can state that correlation relationships between physical properties can be determined in the porous brick body using a fewer numbers of measurements than mentioned in the previous study [6].

Table 1 The Main Model Scale Scale name Model Scale Remark Horizontal scale λL 600 According to the site conditions and test requirement Vertical scale λH 60 Meet the geometry deformation limit condition, etc Geometry deformation Dt 10 Dt=λL/λH Velocity scale λv 7.75 Roughness scale λn 0.626 Time scale of flow movement λt 77.5 Sediment diffusion scale λw 1.38 Grain-size scale λd 0.81 Little adjustment with water temperature Sediment concentration scale λs 1.8 and with the verification test(is suspended sediment) Time scale of riverbed deformation 83 and with the verification test Results and Discussion The formation conditions of wandering reach of the lower yellow river was given after analyzed the measured data.
First: when the flow is unchanged, the gradient ratio of the channel, the velocity and Froude number of the flow are large.
When the flood can not pass the channel, the flood would be floodplain and there would be a large number sediment deposited on the bottomland.