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It is a linear dimensionality reduction algorithm.
The Locality Preserving Projection tries to overcome that problem by mapping the face data onto a low-dimensional face feature subspace called “Laplacianfaces”, which aims to preserve the local structure of the image space.
The idea of the back propagation is to reduce the error (difference between actual and expected results), until the ANN learns the training data.
ORL data base contains 400 grayscale images of 40 distinct subjects, 10 different images of each. 70% and 30% of images have been taken for training and testing the artificial neural network.
In the second case we only used 70%of data to train LPP.

In this work, the influence of several pre-treatments of the SiC substrate prior to epitaxial growth and different epitaxial growth parameters on the reduction of the BPDs in the SiC epilayers was investigated on 4° off-axis substrates.
The idea is to modify the local growth conditions and the step flow for a stronger reduction of the BPD density during epitaxy.
The substrates 3s, 6s, 10s and 13s were defect selectively etched in molten KOH for comparison of EPD data of substrates and epilayers.
Regarding the influence of C/Si ratio on the BPD reduction, no evident difference is found for C/Si ratios of 0.75, 0.9 and 1.5 in our experiments, whereas Chen and Capano [3] presented a strong dependence of the BPD reduction on the C/Si ratio for 4° off-axis wafers.
The reduction of BPD density in the epitaxial layers is always accompanied by an increase of TED and TSD densities, although the overall EPD does not change too much.

High energy resolution data was collected using a pass-over energy of 23.5 eV.
The collected data was referenced to an energy scale with binding energies for Cu 2p3/2 at 932.67 ±0.05 eV and Au 4f at 84.0 ±0.05 eV.
The NOx conversion data was measured by a chemiluminiscent NOx meter (California Analytical Instruments Model 400-HCLD) and stored in the processing computer.
2.540 62.770 15.760 18.930 1.201 KY100 K 3.333 << 65.953 13.904 16.810 1.209 Alkali Metals CsY100 Cs 4.854 2.172 60.784 14.493 17.697 1.221 The XRF data showed that the sodium ions were exchanged to produce Si/Al ratios of 1.201～ 1.221, a level somewhat higher than that of the ICP-AES data.
This data further verified the fact that the surface distribution of the different phases, which are believed to be alumina/silica, was changed by the thermal treatment.

However, the lack of long term durability data is cited as a primary obstacle to wider acceptance of GFRP in some conditions.
Clip gauge readings are recorded with IMC digital data acquisition system.
Based on the measured data of elongation, the applied force on the GFRP is calculated by equation (1)
Load and elongation data were recorded using an IMC digital data acquisition system that was powered and controlled by a PC via a USB port.
The sampling rate of the data was 100 samples/sec.

Data Pre-Processing.
Looking at Multivariate Data: Visualization.
Besides some statistical analysis, a tool prone to give clear information about the available data is data visualization.
The data from the DoE become part of the training and testing database.
Anderson, Multivariate Data Analysis, 7th Edition, Pearson, 2010 [12] R.

Testing Results.The defining damping coefficient (acceleration reduction coefficient) is given as below, Defining X direction as the paralleled direction of housing short side.
Figure 11 shows comparison charts of schedule curves in acceleration tests, in the coordinate axis, X-axis indicates time (U:ms), and Y-axis indicates acceleration (U:m/s2), and the comprehensive data analysis results are shown in Chart 1 and Chart 2.
X direction Test No.1 X direction Test No.2 X direction Test No.3 X direction Test No.4 X direction Test No.5 Y direction Test No.1 Y direction Test No.2 Y direction Test No.3 Fig.11 Comparison charts of schedule curves in acceleration test Table.1 Data processing of direction X test No. acceleration of the first floor () acceleration of the basement () reduction rate of acceleration damping coefficient maxi- mum mini- mum maxi- mum mini- mum maxi- mum reduction mini- mum reduction mean value 1 0.00222 -0.00222 0.00422 -0.00406 0.526 0.547 0.536 0.576 2 0.00222 -0.00244 0.00342 -0.00441 0.649 0.553 0.601 3 0.00251 -0.00187 0.00369 -0.00389 0.680 0.481 0.580 4 0.00324 -0.00214 0.00407 -0.00435 0.796 0.492 0.644 5 0.00202 -0.00232 0.00419 -0.0042 0.482 0.552 0.517 test No. acceleration of the first floor () acceleration of the basement () reduction
rate of acceleration damping coefficient maxi- mum mini- mum maxi- mum mini- mum maxi- mum reduction mini- mum reduction mean value 1 0.00202 -0.0041 0.00495 -0.00469 0.408 0.874 0.641 0.666 2 0.00236 -0.00418 0.00501 -0.00456 0.471 0.917 0.694 3 0.00243 -0.00464 0.00527 -0.00537 0.461 0.864 0.663 Table.2 Data processing of direction Y Conclusion (1) the reinforced-asphalt composite isolation layer technology has been successfully applied to a rural civil building.
The test result indicates that the damping coefficient of X direction is 0.576 (acceleration reduction coefficient is 57.6%), while 0.666 (acceleration reduction coefficient is 66.6%) of Y direction, which shows a satisfying damping effect

The operation is complicated, time-consuming, high requirements and difficult to promote, and heavy metals can only get the total data and non valence data. 1.2Analysis method of flue gas mercury Analysis of mercury in the flue gas often used ICP-AES, which is a new analysis technique used a high temperature (5000K)plasma generated by argon discharge as the excitation light source, special high temperature can ensure that the atomic in the sample elements is excited with high efficiency.
Ruud Meij’s study on emissions of mercury from coal-fired power plant in Holland found that the removal efficiency of ESP for mercury in the flue gas was 50%, higher than the statistical data of EPRI[8].
Gutierrez Ortiz conclued that removal efficiency of ESP for mercury vapor was 30%, and the statistical data was substantially consistent with EPRI [9].
The results of Chinese Research Academy of Environmental Sciences were similar with the Zhejiang University, which measured that the reduction efficiency of ESP for mercury from coal-fired industrial boiler was 20%~40% The data measured by the domestic and the foreign have some differences, this is related to the factors like coal, boiler scale, furnace and so on. 2.2The effect of WFGD for mercury in the flue gas WFGD include limestone-lime/gypsum wet FGD, magnesium oxide desulfurization method, ammonia desulfurization, Sodium alkali desulfurization, double alkali method desulfurization, etc.
From the above data showed that the control efficiency of ESP+ WFGD was better than that the desulphurization and dust removal system.Therefore, the significant increase in the number of the dust removal and desulfurization integration device in recent years is worth exploring whether this phenomenon should continue or not.

Data shown the x-ray wavelength and intensity and plotted.
The theoretical value of mass per-cent between Zn and O are 80.3% and 19.7% which the result is nearly to the theoretical data [18].
From DVR%, smaller size of nanoparticle showed greatest amount of reduction up to 40% reduction of viscosity.
Smaller size of nanoparticle exhibits a larger reduction of viscosity.
Journal of Chemical & Engineering Data, 2010. 55(3): p. 1389-1397

This data has been presented and analyzed from its environmental impact point of view.
The details of the measured data and dose estimations due to these releases have been presented and analyzed in section 4. 0 0.2 0.4 0.6 0.8 1 1.2 0 0.5 1 1.5 2 2.5 3 3.5 Distance (km) Dose reduction factor Fig. 2.
This data indicated that the maximum dose at the exhaust stack is about 3.28 mSv, which appears in the period from 1996-1997 (maximum reactor operation time for the recorded data), indicating that the dose is directly related to the reactor operation time.
With Yi-Actual data point, Yi*-Corresponding point on the fitted line/curve, n-nos. of data values.
Mubarik," Average Wind Data and Inversion Condition at Nilore for 1983-1985", MSSP-28/87, PINSTECH, Islamabad, 1987

Furthermore, X-ray diffraction (XRD) study revealed the reduction of Au(III) to metallic gold, Au(0) in the crosslinked fibers.
For reproducibility of the data, the adsorption tests were duplicated and the standard errors were within 5%.
In addition, the GA did not only enhance the stability of the fibers, but also stimulated gold reduction from Au(III) to Au(0).
This property of the GA-crosslinked fibers could be helpful in the direct recovery of metallic gold from its aqueous solutions via adsorption-coupled-reduction mechanism.
Xia, Alginate fibers embedded with silver nanoparticles as efficient catalysts for reduction of 4-nitrophenol, RSC Adv. 5 (2015) 49534-49540.