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It is the reduction of contact area that causes the unloading curve to deviate from a straight line.
However, a reduction of the contact area is inevitable at some stage and the unloading curve will deviate from the straight line.
Note that for purely elastic materials, the reduction of contact area is continuous.
Thus, the reduction of contact area of an elastic-plastic material can be thought of as having some kind of similarity to the corresponding purely elastic material.
N1 and N2 represent the number of data points in the loading phase and the upper half of unloading phase, respectively.

Graphene has been synthesized by a number of techniques, including top-down approaches such as exfoliation of graphene from graphite and the chemical reduction of graphene (RGO).
The reduction of volatile matters rises with the activating agent concentrations [14].
Luo et al. stated that ZnCl2 promotes the production of C-C/C=O groups of graphene, and cause a reduction of Cr(VI) to Cr(III) in wastewater application [17].
Surface area was calculated from adsorption data at relative pressures (P/P0) ranging from 0.001 to 0.165 using the BET technique.
However, excessive activating agents in the production of highly porous carbon can cause agglomeration at high temperatures which contribute towards surface area reduction in this study [27].

Dilution increases at high WS due to a reduction in the total weld area outweighs the reduction in the penetration area.
Dilution increases at high WS because of reduction in the total weld area outweighs the reduction in the penetration area.
As the data has a low value of standard deviation, we can conclude that the results obtained are precise and good level of weld dilution can be obtained with high probability. 3.

They found a strong reduction in the carbonyl peak in their thermolysis-treated, extractive free wood samples indicating that compounds with acetyl groups become soluble by thermal treatment.
In contrast, xylose as the main constituent becomes soluble in the thermal treated samples, what is more apparent for the hot water extract (see data in Figures 7 and 8). 1.1 11.7 2.0 14.4 0 5 10 15 20 25 30 35 40 Sugars in KW extracts [%] A-Ref A-200 B-Ref B-200 Rha Man Ara Gal Xyl M-Glc Glc Figure 7: Sugar composition (as anhydro sugars) of cold water extracts of ash and beech before and after thermal treatment 3.1 24.7 2.4 30.6 0 5 10 15 20 25 30 35 40 Sugars in HW extracts [%] A-Ref A-200 B-Ref B-200 Rha Man Ara Gal Xyl M-Glc Glc Figure 8: Sugar composition (as anhydro sugars) of hot water extracts of ash and beech before and after thermal treatment Table 2: Soluble xylan content [%] based on water extracts of ash and beech before and after thermal treatment Soluble xylan [%] based on cold water extracts Soluble xylan [%] based on hot water extracts [%] Total soluble xylan [%] A-Ref 0.05 0.06
The thioacidolysis products were determined by GC in relation to tetracosane and without further reduction, the method is limited to monomeric products.
Thermal treatment affects a reduction of acetyl groups. 0 1 2 3 4 5 Acetyl content [%] A-Ref A-200 B-Ref B-200 Figure 12: Comparison of the acetyl group content of ash and beech wood before and after thermal treatment The phenolic and aliphatic hydroxyl groups and the sum of both were calculated by means of the acetyl groups determined.
This is due to the reduction of structural units bound by arylglycerol-β-ether bonds.

The predicted results were compared with the experimental data.
Aluminum oxide coated electrodes can further the reduction of vapor concentration to 62%.
Budzynski, The influence of reduction process on the iron-molybdenum nanoparticles in modifie MCM-41 silica, Acta Phys.
Surianarayanan, Welding fumes reduction by coating of nano-TiO2 on electrodes, J.
Surianarayanan, Welding fume reduction by nano-alumina coating on electrodes - Towards green welding process, J.

For better data processing there are used other support systems such as Factors.
It was necessary to work in two systems, because of inconsistencies of data (Siclops and Factors).
Revision of these terms was based on the manual control of order book and then inserting new data into the order.
This should not be an objection to actively urge components from suppliers, updating data delivery and other notes about consignments that may be useful to other departments.
At present, the main drawback of MRP is the fact it is giving unreal data delivery to customers.

Introduction System identification (SI) deals with the problem of building mathematical models of dynamic systems based on observed system data[1,2,3].
Existing experimental modal analysis techniques usually require excitation and response data with a high signal-to-noise (s/n) ratio and all sources of excitation be measured and uncorrelated[4].
Instrumentation Placement (i) Elevation, (ii) Plan Data Analysis and Results 1).
Parameter identification based on the ARX (Auto Regressive eXtra input) model[5,6] is applied for input-output data of vibration measurements.
The bigger decreasing of the story stiffness with removing the rocking motion were found out on top floor, almost two times reduction.

However, the data are considerably inhomogeneous well in excess of the standard deviation and in a regular or modulated pattern.
Crosses show where neutron data were recorded.
Crosses show the positions at which neutron data were recorded and the figure is drawn to the inner surface of the die.
Crosses show the positions at which neutron data were recorded and the figure is drawn to the inner surface of the die.
However, for the straight and tapered dies, data from the left and right halves of the full width scans were averaged to cancel out any edge effects and the tapered die was rotated on its axis during data collection.

The data collection computer was configured with MATLAB R2009a and the Image Acquisition Toolbox.
ICA thus provides a more powerful data representation than PCA.
It is a method of dimension reduction which considers the information of sample’s categories.
Suppose are sets of training data and is the total of samples, A projected sample is: (1) N is samples features dimensions.
In this works, for each test signal (to be predicted), minimum distance from the test signal to the training set is calculated to locate the k-NN category of the training data set.

Yellow powder; ESI-MS m/z: 479.1[M+H]+, 477.5[M-H]-; 1H-NMR(CD3OD, 400MHz): δ8.03(1H, d, J=2.0, H-2'), 7.57(1H, dd, J=8.4/2.0 Hz, H-6'), 6.89 (1H, d, J=8.8 Hz, H-5'), 6.40(1H, d, J=2.4, H-8), 6.20(1H, d, J=2.4, H-6), 5.34(1H, d, J=8 Hz, H-1''), 3.94(1H, s, OCH3). 13C NMR(100MHz, CD3OD) data, see Table 1.
Table 1. 13C NMR spectroscopic data of compounds 1-4 Isorhamnetin 3-O-β-D-Galactopyranoside-4'-O-β-D- glucopyranoside (4).
Yellow powder; ESI-MS m/z: 641.1 [M+H]+; 1H-NMR(CD3OD, 400MHz): δ7.93(1H, d, J = 2.4 Hz, H-2'), 7.62(1H, dd, J=8.4/2.4 Hz, H-6'), 6.90 (1H, J=8.4 Hz, H-5'), 6.39(1H, d, J=2.0, H-8), 6.18(1H, d, J=2.0, H-6), 5.53(1H, d, J=7.6 Hz, H-1''), 4.77(1H, d, J=7.2, H-1'''). 13C NMR(100MHz, CD3OD) data, see Table 1.
Statistical analysis Data were expressed as the mean values ± standard deviation (SD) for each measurement.
The reducing power assay measures the electron-donating ability of antioxidants using the potassium ferricyanide reduction method.