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Eigenfaces technology uses Principal Component Analysis algorithm for dimensionality reduction and feature extraction.
The Principal Component Analysis is a data dimensionality reduction technique, in this method, several eigenvectors that correspond with the first largest eigenvalues of the covariance matrix of the training set are chosen to constitute a basis, and then any face can be described as linear combinations of this basis.
At last, if this image is recognized, a label, which is the user ID, will be acquired and returned together with the processed image data to the Java side.

The data was composed at the range of 2θ at room temperature with Phillips X’pert X-ray Diffractometer.
The data was examined by the X’pert High Score software varied from 10 to 80℃.
The samples experienced high reduction of Luminescence intensity due to quenching effect that occurred in the glass ceramics matrix.
FESEM analysis disclosed the high reduction of pores, increased in poly grain sizes and agglomeration of the sample due to the high diffusion of ions into the samples.

The resulting data represent the mean value from three independent experiments.
However, the addition of peroxide into the cultivation medium affects trade changes by reduction of the ability to uptake Cu2+ ions.
Uptake of copper ions by yeast components CCY Strain/stress Fibrillar part of cell walls Cells exopolymers total Cu / DCW [μg/g] 19-6-4 Cu 572.3 ± 0.25 6765.0± 0.80 9586.2± 1.4 16923.5± 1.11 H2O2, Cu 210.6± 0.31 5176.2± 0.76 9673.0± 1.3 15059.8± 1.03 20-2-26 Cu 4517.0± 0.72 9585.5 ± 1.3 10221.0 ± 1.5 24323.5 ± 1.4 H2O2, Cu 2160.5± 0.64 3635.0 ± 1.2 14647.22± 1.6 20442.7 ± 1.4 20-2-33 Cu 3754.2± 0.53 11205.5 ± 1.4 10221.0± 1.7 25180.7± 1.55 H2O2, Cu 3087.5± 0.62 4873.67 ± 1.5 14166.8± 1.6 22127.9± 1.55 Data represent mean in mg of copper ions on g DCW yeast components ± SD.
Reduction of the concentration of Cu ions due to peroxide in cultivation medium on 16.7 % ( from 3mM to 2.5 mM) is proportional to uptake Cu by studied yeasts.

In contrast, the activation energy values in the three doped Al2O3 are 750-830 kJ/mol, which are about twice as large as the activation energy in undoped Al2O3 and even larger than the reported activation energy data for lattice diffusion of Al3+ or O 2- ions [10,11].
The marked reduction in creep strain rate with cation doping results from cations segregation in grain boundaries probably due to the suppression of grain boundary diffusion.
However our recent analysis on the codoping effect in Al2O3 revealed that the creep rate or grain boundary dittusiviy cannot be explained from the product of net charge values in contrast to the data of Figure 5.
BaTiO3 containing a suitable amount of BaZrO3 for example, has an extremely high and fairly flat peak values of dielectric constant near room temperature due to the reduction in the transition temperature.

According to the data, the most hydride alloys are of the type AB2=625.
The hydrogen capacity after reduction of the hydrogen pressure and using the remanent gr/gr value, Zr(Fe0.8Co0.1Cu0.1)2 has NH=H/M=0.52 H atoms per formula unit at 0.5 o C while at 26 o C has NH=H/M=0.4.
The structural parameters of the MgCu2 are: space group - Fd3m, formula units per unit cell (Z) - 8, Atomic positions - site (8a) has (x,y,z)=(1/8,1/8,1/8) and site (16d) has (x,y,z)=(1/2,1/2,1/2). 20 30 40 50 60 70 80 90 100 -100 0 100 200 300 400 500 600 700 800 Experimental data Calculated pattern Planes of the phases step=0.05 ο Ιntensity Zr(Fe0.8Co0.1Cu0.1)2 2θ ( o ) Fe-Kα Fig. 2.
Hydrogenated samples have lower saturation magnetization than the hydrogen-free ones and for the Co-free sample the reduction is higher due to the larger hydrogen absorbed content.

Recognition of T. gigas as a healthy seafood will increase the demand for the species in the seafood market, resulting in additional income for the fishermen and also reduction of resource loss by avoiding/reducing discard of the species.
Each sample was kept refrigerated (4°C) immediately prior to size reduction and homogenization.
Unfortunately, there are no data recorded for the proximate value of horseshoe crab to be compared with.
Compared to this data, the muscle of horseshoe crab has 14.62 g/100 g, which is average while roe has 38.24 g/100 g, which is the highest.

In this instance, ultrasonic generates cavitation bubbles throughout the product’s volume, which helps to create more uniform ice creation and a reduction in the size of giant crystals.
a b Fig. 2. a – experimental freezing camera equipped with a device for registering voltage parameters of an electromagnetic inverter; b – a signal shape The range of concentrations has been determined based on the analytical data given by Korošec & Pravst [26].
Le-Bail, Effect of static electric field on ice crystal size reduction during freezing of pork meat, Innov.
Pravst, Assessing the Average Sodium Content of Prepacked Foods with Nutrition Declarations: The Importance of Sales Data, Nutrients. 6 (2014) 3501-3515. https://doi.org/10.3390/nu6093501

Objectives of the current research are studying experimentally, the development of biocompatible coating on the surface of 316 Austenitic Stainless steel alloy using ceramic nano-particles TiO2 by EPD technique, investigate the effect of suspension composition and EPD processing factors (time deposition and voltage deposition) to reach the optimal coating conditions of samples and the reduction of contact angle wettability and dissolution behavior of metallic implants in (NaCl 0.9% and Ringer's solutions). 2.
SEM of coatings surface (a) austenitic stainless steel 316L, and layer coating TiO2 (b) time deposition 2 min,(c) time deposition 4 min and (d) time deposition 6 min. 3.2 Surface Roughness Data regarding the roughness of the substrate and plated samples has been illustrated in Table (4).
Experimental data micro-hardness of the coated and uncoated samples Specimen Vickers Hardness (HV) Substrate 460 (TiO2) a plated(20V,4 min) 1235 (TiO2) a plated(20V,2 min) 1483 (TiO2) a plated(20V,6 min) 1380 3.5 Wettability The surface of uncoated austenitic stainless steel 316L surface sample has a higher aqueous contact angle of 75.2° and indicates a less hydrophilic surface compared to the coated samples that presents a contact angle of test values as illustrated in Table (6).
The results of previous research indicate that the high surface wettability and surface roughness at the micron scale were for the synergistic effect of reduction on cell adhesion and growth.

Based on above facts, an Al2O3/LaAlO3/SiO2 gate stack on planar SiC MOSFETs has been demonstrated to achieve a 40% reduction in channel resistance, negligible transfer hysteresis, better threshold voltage stability, and longer short-circuit withstand time, compared to the conventional SiO2 gate devices [5, 6].
The cause is most likely related to the O2 annealing for the Al2O3/LaAlO3/SiO2 device, which can deteriorate the passivated deposited-SiO2/SiC interface and lead to a reduction in the channel mobility.
Figures 8 (a) and (b) show experimental data of the mobility on (1120) channel plane for the Al2O3/LaAlO3/SiO2 trench gate MOSFET at 300K and 450K, respectively.
For all channel planes, the calculated total mobility is well agreed with the experimental data of the mobility.

The indexed phases / compounds for these XRD data are also indicated, namely: martensite α-Fe, residual austenite γ-Fe, and Ni / Cr carbides (Ni,Cr)xCy.
Mechanical characteristics Sample Vickers microhardness (HV0.2) Tensile properties Zone A [HRC] Zone B [HRC] Zone C [HRC] σUTS [MPa] σ0.2 [MPa] εf [%] Initial / case-hardened AMS 6265 62.2 61.6 46.8 1246 1092 5.05 SMT-SP processed AMS 6265 (d1 = 0.3 mm, p2 = 5 bar, t4 = 35 min) 65.5 61.5 45.2 1319 1114 4.94 Analyzing the data in Table 2, one can observe that the Vickers microhardness values obtained for zones A and B are very similar to the measurements of surface hardness (62.18 HRC, average value), indicating the impact of case-hardening treatment.
However, a slight enhancement of ultimate tensile strength and yield strength, along with a slight reduction in elongation to fracture, can be observed in the material subjected to the SP treatment.
While some slight enhancements in ultimate tensile strength and yield strength, coupled with a small reduction in elongation to fracture, are observed in the tensile tests as the values for the treatment parameters are increasing, it can be concluded that SMT-SP processing exhibits no significant impact on tensile mechanical properties of the material.