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Costs and time saving due to reduction in the number of experiments, increase in machining productivity, and achieving more comprehensive results are some benefits of using orthogonal arrays.
Design Of Experiment Appropriate design of experiment is vital for higher efficiency, accuracy in analyses and reduction in costs.
Data Analysis On Machining 4.1 Effect of Factors Analysis of variance (ANOVA) is used in this research to investigate the effect of different factors on machining power.
Regression analysis uses least square method to fit a model to the experimental data.

In Ref. [11] only data corresponding to thick films (≈150 nm) are reported and the strain state is also unknown.
about 10% of the saturation value) in agreement with most of the data reported in the literature, even thought the use of the inflexion point would lead to δ changes more similar to that obtained from MS variations.
Since no change of the value of n on Ta is detected from Hall effect measurements, we should conclude that charge carriers are already in the samples but they are not free to move, so they do not contribute to magnetization and produce a reduction of TC.
The application of high enough magnetic films leads to delocalizacition of charge carriers giving place to a substantial reduction of the resistance.

Orientation imaging micrographs (OIMs) in high purity aluminum polycrystals rolled to total engineering reduction of 80% at room temperature and 180°C, respectively, were investigated using SEM-EBSD technique.
The deformation was carried out to total engineering reduction of 80% (r = 80% ) at room temperature and 180ºC, respectively, in which lubricant was used to ensure homogeneous deformation [8, 9].
Orientations of the pixels were represented using three Euler angles (ϕ1, φ, ϕ2) of Bunge's notation system, orientation data analysis was performed using OIM analysis for windows.
In order to provide consistent quantitative data for boundaries, misorientations below 2° are not included, and this limit is used for all specimens.

The position of each diffraction peak was calculated from diffraction pattern data using mathematical software (Origin (R) 6.1J, OriginLab Corporation).
In addition, the reduction in the residual stress on annealing is thought to be due to relaxing of the strain generated in the film by ion bombardment.
These data were obtained from the diffractions of CrN220 and Cr2N211 detected by θ−2θ scanning.
There is a relatively large reduction in the FWHM of both diffraction peaks with Fig. 7 2θ−sin2 ψ diagram of CrN220 diffraction for the film annealed at 973 K.

However, present research is mainly concentrated on the scaling of concrete, and few data are available on mechanical properties and permeability of concrete, which is most concerned by the field construction [6-8].
Replacement of Portland cement with fly ash from 10% to 20% achieved the reduction in chloride ion diffusion coefficient throughout exposure.
The macroscopic experimental data provided above indicate that the incorporation of mineral admixtures and air-entraining agent possesses more effect on internal deterioration, mechanical properties and permeability of concrete than on the scaling of concrete.
However, 20% addition of fly ash decreases concrete strength throughout exposure despite reduction in the loss of strength.

In addition, it has to be considered that due to the long time and high costs being required for these optimization tasks and due to the sensitivity of the generated data, companies usually prefer to regard them as confidential without publishing the results of their research.
A friction coefficient reduction, as well as its steady trend even under repeated tightenings, is usually a highly desirable response for screws, as it makes it possible to ensure the achievement of the required preload upon tightening under torque control.
A future development of this research is going to assess the remarkable improvement in terms of friction reduction and of steady trend they are able to provide.
[17] International organization for standardization ISO 12107:2012, Metallic Materials – Fatigue Testing – Statistical Planning and Analysis of Data, Geneva, Switzerland, 2012

Crystal structure data of DP and DPQ.
As shown in Fig. 2b, DPQ exhibits two groups of reversible half-wave reduction potentials E1/2red at –0.24 and –0.49 V vs.
As shown in Fig. 3, these results are very consistent with its DPV data.
The lowest unoccupied molecular orbitals (LUMO) energy level was calculated with the first reduction potential value by Eq. 3[16].

Lignite contains more inherent water than traditional high-rank coals, which causes a considerable reduction of energy efficiency in combustion processes as well as transportation and thus is often uneconomical to be mined and generally used only for direct combustion [4-9].
All char yield data were repeatable within an error of 0.2 % ~ 2 % on the dry-ash-free (daf) basis.
The carrier gas is Helium with the flow rate of 10 ml/min. 2.5 Methods of data processing The Lower heating value (LHV) of the gaseous products is defined as[16], LHV（kJ/Nm3）=(CO×126.36+H2×107.98+CH4×358.18 +C2H4×590.36+ C2H6×637.72) (1) Where, CO, H2, CH4, C2H4 and C2H6 are the volume fraction of each product gas.
As expected, the increase in temperature resulted in the increasing gas yield with the reduction in the yields of char and liquids.

Fig.2 The picture of steering actuator According to the design of the steering system, the structural diagram of the steering actuator is drawn as Fig. 3, where, is the control voltage transmitted from the entire car control ECU to the steering actuator in V; represents the output speed of the motor in rad/s; represents the speed of wheels transmitted from the motor after the speed reduction by the worm gear reducer and gear set, and represents the angle of wheels.
We can tell from the previous simulation results that the PID compensating coordinate control steering works very well in the term of reduction of the difference between the turning angles of inner and outer wheels.
Verification of Coordinated Steering Control Strategy on Real Car The PID compensating coordinated steering control strategy is applied to the real car and the angle data are collected in real time.
Based on the experimental scheme proposed previously, many real car experiments are carried out for this paper to obtain sufficient data to analyze the control effect of PID compensating coordinated steering control strategy which is applied to real car steering.

Clogging is mainly due to materials accumulation and the microbe growth within the substratum pores that caused remarkable reduction of hydraulic conductivity, then leads clogging.
However, the oxidation-reduction potential in the substratum decrease when the organic matter, accumulates in the substratum pores, and then anaerobic environment formed, the microbial extracellular polymeric accumulates rapidly.
Besides, it’s lack of contrast experiment data in tracer tests, and matter accumulation is not a simple linear relation, which causes simulation result obviously difference with actual situation.
However, tracer tests to correct parameters for improving simulation results and providing rational design data.