Search results

Oxygen rich preparation conditions lead to a reduction to two identically oriented bilayers for both polytypes.
A LEED structure analysis of the full data set for this oxygen treated 6H-SiC sample indeed resolves the stacking to be predominantly S2 (70%, cf. table 1, line 6).
In both polytypes investigated, i.e. 4H- and 6H-SiC, Si rich preparation leads to a termination by three "cubic" layers (S3), oxygen rich environment (adsorption/desorption cycles) leads to a reduction to two "cubic" layers (S2).
The oxygen-treatment induced reduction of the cubic slab saturates with S2.

Experimental combustion plant The experimental plant (the fuel tank, the burner, the supply installation) for the combustion of vegetable oils is presented in the figures 1, 2, 3 and detailed with data in table 3.
Pieces Position Type 1 1 Burner N-10 2 2 Flexible hoses M14x1,5 – 1000 3 2 Reduction M14x1,5 – C ¼” 4 2 Reduction C1/2” – M14x1,5 5 1 Pipe bent - T C ½” 6 2 Reduction C ½” – C 3/8” 7 1 Fuel filter C 3/8” 8 1 Thermal valve C ½” 70ºC 9 1 Spherical valve C ½” 10 1 Strum LSz-01 Fig. 3.

The influence of the bond-slip on bearing capacity lies with the interfacial bond softening phenomena caused by the progressive reduction of the shear transfer capacity.
With further loading, the softened zone grows in size and relative slip increases, leading to continual reduction in slope of the strain versus distance near the pulled end.
(1) Where, coefficient 1k and 2k respectively describe the linear increase and reduction of the bond stress with sliding.
For this purpose, a set of experimental data obtained by our research group is employed [2, 3].

The air temperature profile in Figure 6 shows that the air temperature at the occupied zone is between 30 °C and 39 °C of which a reduction is observably achieved compared to the benchmark condition.
A desirable reduction in air temperature was observed, as can be seen in Figure 8, was simulated for this case whereby the average air temperature was simulated to be between 29 °C and 35 °C.
In addition, Figure 9 reveals that average air velocities for the simulated area see a favorable reduction to between 0.1 and 1.2 m·s-1.
Fig. 11: Air velocity profile at y = 1m for 3rd modification model Conclusion Based on the data gathered and simulations performed, the placement of an additional air-conditioning unit in the cafeteria has the pronounced potential for reducing the air temperature to a more thermally-acceptable level.

In the beginning, active corrosion was defined as having commenced if, for two consecutive data acquisition periods, the macro-cell current was 10 μA or greater, or the electrochemical potential for the top bar was -350 mV vs.
Another research studies indicate a reduction in the compressive strength by the use of organic corrosion inhibitors as an admixture, for amine-based inhibitors, for amino alcohol-based inhibitors and for another organic inhibitor by 10-30% [11-14].
One was the reduction of the penetration rate of chlorides (as suggested by lower estimated chlorides diffusion coefficient), and the other was an increase in the critical chlorides threshold for the occurrence of localized corrosion.
The increase of time-to-corrosion is due to both an increase of the critical chloride threshold and to a reduction of the chloride diffusion coefficient

Specification of MBBR carrier Parameter Description Material Polyethylene (PE) Shape Spherical Specific Gravity 0.9 Void Fraction 85% Source: Data obtained from supplier information MBBR Setup.
(1) Fig. 4(a) shows higher reduction rate for MBBR (85%) COD compared to CAS (53%).
From the results (Refer to Fig. 4(c) and (d)), MBBR has higher AN and TSS reduction than CAS with 75% to 53%, and 80% to 69% respectively.
In CAS, the presence of high organic load which could not be degraded completely by the microorganisms may also decrease the AN reduction [13] (a) (b) (c) (d) Figure 4.

Pore structure of the porous material research widely uses the fractal theory, the calculation of fractal dimension is usually stems from the nitrogen adsorption method, the mercury method, small angle X-ray method and other experimental data [3,4].
Table 2 showed that with the reduction of Na2CO3 fractal dimension gradually decreased, and pore structure gradually inclined to regular and simple.
(2) With the reduction of Na2CO3, the fractal dimension gradually decreased, and pore structure gradually inclined to the rules and simple, the fractal dimension was ranging from 1.358 to 2.657.
Er, Thermit reduction in nitrogen Al2O3-TiN fractal characteristics of pore structure of porous composites materials, J.

Most results study indicated a significant change with an increase in NOx emissions for biodiesel-ethanol-diesel blends when operated with the used diesel engines while in an isolated study found a reduction in NOx emissions when operated with new engines [10].
Specification of test engine Engine Specification Details Number of cylinders 4 in-line Combustion chamber Swirl chamber Total displacement cm 1.998 cc (121.925 cu. in) Cylinder bore mm x Piston stroke mm 82.7 x 93 Bore/stroke ratio 0.89 Compression ratio 22.4:1 Both pressure transducer and crank angle encoder were recorded through a Dewetron data acquisition (DAQ) system installed in a Windows XP based PC, DEW-5000 combustion analyser. 19 K-type thermocouples were used to measure the temperatures of the engine include all the exhaust manifolds.
As higher ethanol concentration in the biodiesel blends, the cooling effect of the ethanol becomes more dominant which produces lower combustion temperature and a significant reduction in NOx emissions.
This would be due to the content of the ethanol which could improve the combustion and lower CO emission when mixing with smaller ethanol concentrations, but could lead to the gas temperature reduction.

In order to meet the requirements of high speed, high accuracy, high reliability and small vibration in the rapid processing of machine tool, it is necessary to make a rigorous precision testing for the precision-processed spindle and obtain reliable data to meet the design standards and performance requirements of all ceramic high-speed spindle.
The basic principles of the work is through the detection sensor (probe) and the measurement space with the axis of movement, side head system to detect three-dimensional coordinates of points to pass measurement software, and then calculated by the analysis software to complete the measured point (point group) of Analysis of fitting the measured reduction of the final geometric elements, and on this basis to calculate the theoretical value (nominal value) between the deviation in order to complete the work on the part is measured.
First, after the ceramic spindle cleaned the table into the coordinate measuring machine, and the establishment of part coordinate system, then measured to determine the coordinates of the center of the hole position in the automatic measurement system LSP side head data collection and measurement software spread Roundness on the size of the assessment, measured in the collected data, input into the computer for analysis calculation, and output the measurement results.
Through the analysis of testing the roundness error measuring data.
Fig. 3 A particular section of the cylindricity testing results analysis Table 2 The external circular measurements of different sectional cylindricity error section 1 2 3 4 5 cylindricity error 1.8 2.0 1.8 1.4 1.8 Through three coordinates of the cylindricity error analysis of the measuring data, the error can completely satisfy zirconia ceramics spindle design requirements.

The information can be obtained from saved data in the computer or by directly accessing the field-measuring machine.
Monitoring by USN-based data acquisition can promote construction HS through the analyzing of collected data.
Use of this data supports effective decisions and suggestions for effective methods in terms of safety maintenance and design changes.
Furthermore, the methods of data connection and technology of information processing is explained.
The integrated operation program that enables to integrate data base construction and measured data processing in real-time is needed development to achieve the advancement of automated monitoring system with more investment.