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Results and discussions Experimental data.
The 49 sets of data in milling experiment were divided into two parts, i.e., 90% (44 sets) of the data were used for training the network while the rest 10% (5 sets) were chosen randomly for testing the predictive model.
Example numbers of testing data are 8, 17, 28, 33, and 37.
Table 5 Error analysis between ANN predicting data and actual data Exp.
Error analysis between predicting data and actual data shows that ANN can be applied as a satisfactory predictive model for surface roughness during milling process.

Reducing variation terms in single data. 2.
Changing data to a few mutually independent linear combination variation terms. 3.
Removing less influencing variation terms in data. 5.
Keeping the variation terms causing major variation in data.
Therefore, in the data dimension of face recognition image processing, using PCA Transform can indicate the maximum and most influential difference in a data.

The datum in table 2 were measured with the specimens sampled form forging blank of 52D FS connecting rod for Deutz diesel engine.
The tensile load and displacement were recorded by sensors and data collector which were supported by the machine itself.
And by datum fitting, the trend curve of the fracture load of specimens changing with the notch depth were also in Fig.5.
Substituting the datum of fracture load and notch depth of these specimens into Eq. (1) and Eq.(2) gives.
The notches by laser can contribute to the reduction in fracture energy.

The criterion agrees well with test data in certain compression range, but it is no longer suitable under tensile loading.
Analyze the test results According to the datum from frequency-meter and YJD-17, we drew the displacement of the sheet pile line for each step in Fig.4 and Fig.5, and also drawn the earth pressure distribution line for different excavated depth in Fig.6 and Fig.7.
The data given above only represented the vertical depth of the cracks, which were slightly less than the actual cracked depth.
Calculation results showed that after soils cracked, because of the stress released and the stiffness reduction of the cracked region, the lateral displacements of sheet pile violently increased, the earth pressure in front of it increased and behind it reduced and the values of them were all larger than those not considering crack. 2.

The operation parameter data are useful for industrial operators of VOCs control systems.
Monitoring was performed with a THC-FID 8800H at a heating temperature of 165 ° C, a data transfer rate of one datum/ s, and a sampling pump flow rate of 16c.c/min.
The zeolite adsorption treatment reduced the concentration of emitted VOCs to 42 ppm, an approximately 15-fold reduction.

The exhaust gas temperature, inlet and outlet water temperatures were measured through the data acquisition system and were fed to the computer.
Emission reduction potential from the combustion of soymethyl ester fuel blended with petroleum distillate fuel.

Gabrial et.al produces these data for 40 tissues in many frequencies [1], [8].
[10] Evaluation of SAR Reduction for Mobile Communication Handsets, Minseok lung, Bomson Lee ,2002.

Acknowledgements During the development of the downhole robot, senior engineer Zhao YJ in YanChang oil field supplied some data of the oil well.
Jorgen, Reduction of cost with new well intervention technology- well tractors, Proceedings of Offshore Europe Conference, Aberdeen, Society of Petroleum Engineers. (1995)407-414

It is a Chinese corpus contains a total of 24000 sentences, 120 sentences spoken by each of 200 speakers from different dialect regions of China, and the data is recorded simultaneously with four microphones (Mic1: SHURE SM58, Mic2: ANC-700 Head-mounted, Mic3: TELEX M-60, Mic4: ACOUSTIC MAGIC) with sampling frequency of 22kHz.
[4] Saeed V., in : Advanced Digital Signal Processing and Noise Reduction, edited by John Wiley & Sons Inc(2005)

Beside, the maximization of equipment duty life, so as to fulfill the regulations of environmental impact reduction\textsuperscript[1].
Dynamic models for Boiler-turbine-alternator Units: Data Logs and Parameter Estimation for 160MW Unit.