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Introduction The most widely used approach to parameters identification is using FRFs data, which can be measured directly.
It can be seen from the FRFs with noise, noise signal in many FRFS has been completely destroyed the ideal data values, and this is accordance with the real experimental cases with noise frequency response data.
To select experimental data with this frequency selection method, and use this method to recognize bands have good noise resistance.
By this Subtraction term frequency selection method, you can select some of the band is not sensitive to noise, and get the data by identify these bands.
Celic: The influence of the coordinate reduction on the identification of the joint dynamic properties.

The full range of intermediate substances obtained during thermolysis, reduction and carbidization precursors to final products were presented.
Fine tungsten carbide powders can be obtained by several carbothermal methods involving the direct reduction of WO3, the main advantages of which are the rapid completion of the process and the absence of hazardous components during the hydrogen and subsequent carbon reduction [3]. 2.
According to the SEM data the precursor consists of lamellar crystals of tungstic acid uniformly distributed on the surface of acetylene soot spherical particles (Fig. 1).
At the different stages of reduction the formation of heterophase mixtures of the intermediate products is observed.
According to the XRD data the final product of carbidization is single-phase WC with hexagonal structure (Р-6m2, а= 2.906 Å, c= 2.837 Å).

The catalyst was characterized by H2-temperature-programmed reduction (H2-TPR) and X-ray photoelectron spectroscopy (XPS).
The data of T50, T90 and ΔT (T90-T50) obtained from Fig. 1 are listed in Table 1.
Temperature-programmed reduction technique is used to study the reducibility of catalysts.
It implies that the presence of BaO promotes the reduction of PdO and surface oxygen of CeO2.
Combined with the result of catalytic activity, we find that a lower reduction temperature for PdO can result in higher catalyst activity.

The results indicate that the reduction in wear rate on adding SiC or reducing the grain size is caused by a reduction in the area fraction of surface pullout by brittle fracture.
For low SiC contents (~2vol%), this reduction in surface pullout is a consequence of the reduction in size of the individual pullouts.
It is evident that increasing the SiC content reduces the area fraction of pullout, fpo, and that this reduction accrues both through a reduction in the number of pullouts per unit area, and through a reduction in the diameter of the individual pullouts.
Comparison of the contributions to pullout reduction from the reduction in pullout formation rate, pullout dimensions and wear rate relative to coarse grained alumina.
Discussion of Micromechanisms for the Inhibition of Pullout Formation The 10% SiC data point in Fig. 12 gives convincing evidence that the addition of sufficient SiC can directly inhibit the nucleation of pullouts during grinding.

The paper contains: problem definition, presentation of the measured data and the final analysis with the fuzzy regression approach.
As a result, the data are scarce and irregular.
The median is a better description for low amount samples with non-symmetric data.
Grzegorzewski, Trapezoidal Approximation of Fuzzy Numbers Based on Sample Data, Comm.
Gastaldi, An "orderwise" polynomial regression procedure for fuzzy data, Fuzzy Set Syst. 130 (2002) 1-19

Investigation of Chemical Cost Reduction in Demineralized Water Production Process Somkiat Tangjitsitcharoen1, aand Bhoomchoopong Poolsuwan2,b 1Department of Industrial Engineering, Faculty of Engineering, Chulalongkorn University, Patumwan, Bangkok, Thailand 2Bang Pakong Power Plant, ElectricityGenerating Authority of Thailand, Bang Pakong, Chachorngsao, Thailand asomkiat.t@eng.chula.ac.th, bbhoomchoopong.p@egat.co.th Keywords:Demineralized Water,Jar Test,Poly-aluminium chloride (PAC), the pH,The turbidity.
Since the reduction of PAC causes the decrease in acidity in the raw water.
Experimental design and data analysis In order to obtain the proper PAC dosage, the relations of the turbidity, the pH and the PAC dosage are investigated.
Vijitjanyakool.Reduction of COD in wastewater from tannery industry by coagulation and oxidation (2000) [7] S.

Data Used and Experimental Process Data used.
All these data were observed during years 2012 to 2013.
Data collection. 2.
Format of Cartesian coordinate system with weather radar data. 3.
The use of the weather radar observation data and rainfall observation data from TMD are thankfully acknowledged.

Measure Data: The exhaust fan and cooling tower noise measure data was shown in Table 1, the representative point band level pressure measure data was shown in Table 2.
Gear Reduction Noise: Noise of gear reduction was mainly mechanical noise coming from the gear and bearing.
It could be seen that from the data in Table 2, prominent frequency was 250 Hz, therefore, the fan noise control should be mainly in the low frequency of 250 Hz.
From the data in Table 2 could be seen, prominent frequency is 250 Hz, therefore, the cooling tower noise control should be mainly in the low frequency of 250 Hz.
Contrasting the noise measuring data and the standard limit value, could conclude that the environment noise exceeded the standard.

Other reported preparation methods are mostly the conventional impregnation procedure associate with borohydride reduction.
Sun et al reported a formic acid reduction method to prepare carbon black suppored Pt nanowires at room temperature [14].
In this study, a modified formic acid reduction method was developed and applied to load Pt nanoparticles on carbon aerogel.
Electrochemical measurements were performed using an Autolabpotentiostat PGSTAT 30 (Eco Chemie, Utretch, The Netherlands) driven by the General Purpose Electrochemical Systems data processing software (GPES and FRA, version 4.9, Eco Chemie).
Conclusions Pt/CA catalyst with improved Pt dispersion was prepared by a mild formic acid reduction method.

It had important practical significance to research on vibration and noise reduction of similar products.
Data track is written by a certain angle based on the edges of the tape, which is accomplished by wound partial tape onto the rotary drum with tilt angle.
Head made data track with tilt angle on the tape because tape passed rotating drum.
And this may ensure data integrity of each data tape.
[5] SHANG Zhi-wu, WAN Shu-min, WANG Tai-yong, Research and application of structure test analysis system based high-speed data acquisition and real-time signal analysis, Instrumentation, 2001, 22(4) 300-301