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Economic significance of extrusion is due to its material efficiency, labor costs reduction, elimination of intermediate treatments, better output quality, and high production rates.
Proper design of bearings is among factors of controlling material flow in this process and has an important role in scrap rate reduction.
These data were added as software inputs.

The Eq. (13) represents well the experimental data reported for NdFeB-type magnets.
The data of Uestuener et al [13] (UKR) resulted in iHc (kOe) = 26.47 L-0.5 + 1.54, another very good adjust.
The experimental data and respective fittings are plotted in Fig. 4.
Adjust for laws iHc = c1 - c2 / √L of the data by Ramesh et al (RTM) [6] and Uestuener et al (UKR) [13].
Comparison between Eq. (8) (L-1 law) and the fitted data from UKR [13] and RTM [6].

Hence, the study of dynamic characteristics of the compressor will provide the theory basis for the subsequent vibration and noise reduction design.
The experiment equipment includes eleven ICP type acceleration sensors, one force sensor, LMS modal analysis experiment data acquisition front and the computer data processing software LMS Test.lab Impact Testing.
Fig. 7 The coherent relation graph Data analysis and experimental results After choosing the measurement data and the bandwidth, the summation method was adopted to display each data collection point of FRF (red curve).
The sum of transfer function curve of data Run is shown in figure 8.
Fig. 8 The sum transfer function curve This paper uses the PolyMAX algorithm in the LMS software to analyze the modal data, the first five order natural frequencies and damping ratio of refrigeration compressor are shown in table 3.

The difficulty in the application of ERT is the sensitive of image reconstruction algorithm to data error, which easily leads to a divergent solution.
The common method to solve this problem is to improve the image reconstruction algorithm or to improve data precision.
The wireless sensing technology can avoid the noise and interference caused by lots of long wires, which reduce the data error and improved the data precision.
We put the collecting data into the ERT system and get the distribution of resistivity on the smart layer running the command of rebuilding.
The projection data we get from the simulation experiment is loaded into the Carbon fiber smart layer.

Energy conservation and emission reduction, green energy and sustainable development is the focus of attention.
The data collected by the communication facilities is from sensors and measurement systems.
These data collected are used to determine the state of the power system, the conversion of operation, equipment maintenance and making plans to use these data.
· Data integration: this level defines the IT system which is used to store data from the layer of communication facilities and processed by related application program into usable information.
Application program balances data collected and extracts the maximum value

Besides, the FP algorithm, while providing high success rates of data delivery, consumes much higher energy than the FC and FF algorithms.
Whenever, a node has data to be transferred to the destination which is described as a base or base station, launching of the ants is performed.
For node j, tabuj is the list of identities of received data packages previously.
This approach decreases the size of the data to be transmitted and saves energy.
In the scenario, the nodes near the phenomenon send the relevant data through the neighbor nodes to the sink by consuming energy.

The noise in the data could lead to the over-fitting or under-fitting problem.
The obtained model will have a poor level of performance when applied to a new data point.
Deng Julong [6], is a novel mathematical approach, particularly designed for handling situations in which only limited data are available.
The fields covered by grey theory include systems analysis, data processing, modeling, prediction, decision making and control.
Since the grey model can characterize such an unknown system and can make predictions based on a few data, it has been effectively applied in many fields such as agricultural, socioeconomic and environmental evaluations where limited samples are required. so, Grey system theory utilizes accumulated generating data instead of original data to build evolution model, which makes raw data stochastic weak, or reduces noise influence in a certain extent, therefore, intrinsic regularity of data can be searched easily, and model can be built with relatively little data [8].

The WSN node position distribution is very flexible, in the network node turning on and separates all by the agreement automatic reduction, cannot affect the network the overall structure.
The CC1100 built-in the hardware CRC verification function, supports the fixed data length and the invariable data length package transmission, supports the 2-FSK/GFSK/MSK modulation.
When single-chip need transmission data through wireless way, only transfer CC1100 READ and the WRITE function is ok; During the single-chip control timing circuit, produces timing interrupts, recording the ballast the total operating time.
The PC upper monitor through CC1100 wireless transmission module and hundreds of ultraviolet ray generator are composed the wireless sensor network, through wireless way transmission data.
Realizing the Data Share Between Database and Excel Through Borland C++ Builder 6[J].

Experimental Procedure A 13 x 6 x 10 mm sample of Ti-48at%Al was hot compressed to a 60% reduction in thickness at a temperature of 1373 K and a strain rate of 5.0 x 10 -4 s-1.
Fig. 3c shows the same map as Fig. 3b after data cleaning.
Figure 3: Indexing of 1344 x 1024 pixel γ-TiAl EBSPs (100 x 100 µm map, 1 µm step size): (a) using only the Hough transform method (raw data), (b) using the Hough transform method plus Advanced Fit (raw data), (c) using the Hough transform method plus Advanced Fit (cleaned data).
Figure 4: Indexing of 672 x 512 pixel γ-TiAl EBSPs (100 x 100 µm map, 2 µm step size): (a) using only the Hough transform method (raw data), (b) using the Hough transform method plus Advanced Fit (raw data), (c) using the Hough transform method plus Advanced Fit (cleaned data).
The quality of the data using 1344 x 1024 pixel EBSPs is extremely high and very little, if any, cleaning is required.

Thus, twenty-nine reliable data of gas content are gained.
Original gas content data reduction.
The reliability of gas content data during geological prospecting and producing of Hebi No.6 coal seam were studied, twenty-nine reliable data of gas content were gained after the reliability analysis.
Thus, twenty-nine reliable data of gas content are gained.
[3] Hayashi C,On the predicition of phenomena from qualitative data and the quantification of qualitative data from mathematic statically point of view,J.