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acupliyong@yahoo.com.cn Keywords: FFT; filter; seismic data.
Its principle is based on the method to study how to process the digital seismic data.
Fig. 6 Original image Fig. 7 Noise Reduction Figure by the filter Conclusion The innovation of this paper is to deeply analyze characteristics of the fast Fournier transformation in detail and clarify the working principle and design process of digital filter used in processing seismic data.
Digital filter is applied to the actual noise reduction, and remove or suppress the interference wave effectively in the process, then highlight the effective wave and effectively suppress seismic data and the precision improved by noise.
Seismic Data Processing Method, University of Petroleum Press. 2004.

Variables Selection and Data Description Variables selection.
Our dataset is the panel data of 9 provincial administration of Western China for the period 1990–2009.1 The data is obtained from the China Compendium of Statistic, China Statistical Yearbook 2010 and China Energy Statistical Yearbook.
Data description.
As there is lack of relevant data of Tibet, we analyze the data of the remaining 9 provinces.
We use this method to test the data.

Oxygen Reduction Electrocatalysts Based on Two-dimensional Iron Polyphthalocyanine Xu Guofeng Li Zhongfang # Wang Suwen Yu Xianjin School of chemical engineering, Shandong University of Technology, Zibo 255047,P R China Keywords: Direct methanol fuel cell; Electrocatalysts; Oxygen Reduction Reaction; Iron Polyphthalocyanine; Synthesis Abstract.
The DTA data for PPcFe showed exceptional thermal stability.
The polarisation curve of oxygen reduction on the FePPc/C catalyst in O2-saturated H2SO4 was compared to that obtained on PcFe, DPcFe and platinum catalysts.
The TGA data were obtained using STA-409, Netsch, under argon atmosphere with flow rate 30 mL/min, heating rate 10°Cmin-1and sample size 10mg. 2.3 Preparation of PPcFe/C, PcTcFe/C andDPcTcFe/C PPcFe, PcTcFe and DPcTcFe were adsorbed onto carbon black (XC-72R) according to the following procedure: 0.5g precursor was dispersed with 0.5 g of XC-72 in 40mL of DMSO.
The TG data for PPcFe shows exceptional thermal stability, which confirms that PPcFe/C is a stable catalyst.

SNCR (Selective Non Catalytic Reduction) system is proposed, with 40% methylamine aqueous solution as reducing agent to reduce NOx in diesel exhaust gas.
The effect of injection position and volume on the reduction efficiency through the test bench is systematically researched.
NOx treatment depends on SCR (Selective Catalytic Reduction), Adsorption Catalytic Reduction, Low Temperature Plasma, etc.
According to the data [2], the melting point of 32.5% urea solution used in SCR is -11°C, and it solidifies without heating device at low temperature in winter.
SAE 2004-01-1289 [3] Yoshihara Y., Nakanishi Y: Journal of Chemical Engineers, Vol.51 (2006), p.11 (in Japanese) [4] W Müller, H Ölschlegel, A Schäfer, et al: Selective Catalytic Reduction-Europe’s NOx Reduction Technology.

Based on the reviewed articles, it became evident that, although numerous measurement data are available, the usability of the data is limited.
One prominent observation arising from the reviewed literature is the wealth of measurement data available in the field.
However, a critical limitation is often encountered in the utilization of this data for practical noise reduction applications.
Information Data from the articles were organized into nine categories listed below.
The collected data was compared, identifying common and differing trends among the various studies.

Such a procedure is called “the reduction of dimensionality” [3].
In general, the data form 12 points in eight-dimensional space.
PCA score plot of experimental data (data source: [6]).
How data uncertainty may affect the final results?
PCA scree plot of experimental data (data source: [6]).

Comprehensive evaluation of energy conservation and emissions reduction for Green Power Grid Wang Wei School of Economics and Management, North China Electric Power University, Beijing, 102206 wangweivera@126.com Keywords: green power grid, energy conservation and emission reduction, comprehensive evaluation Abstract.
Energy conservation and emission reduction has become urgent problem for national economic and social sustainable development.
Objective weight based on entropy weight method For evaluation area, evaluation index, we can get the original data matrix.
The comprehensive evaluation index system is established from energy conservation and emission reduction.
Emission reduction includes impact to atmospheric environmental, water, noise, solid waste.

This paper is based on hot-dip galvanizing annealing production process characteristics, it studied the affection of the annealing process and cold reduction ratio to structural hot-dip galvanizing steel sheets on microstructure and property, assured the optimal annealing process and cold reduction ratio, which has supplied the theoretical guidance and reference data to the industry.
That is recrystallized completely microstructure at 750℃, and the grain about 11.0 grade cold reduction ratio 45%, annealing temperature 750℃ cold reduction ratio 45%, annealing temperature 720℃ cold reduction ratio 45%, annealing temperature 690℃ cold reduction ratio 55%, annealing temperature 750℃ cold reduction ratio 55%, annealing temperature 720℃ cold reduction ratio 55%, annealing temperature 690℃ cold reduction ratio 65%, annealing temperature 750℃ cold reduction ratio 65%, annealing temperature 720℃ cold reduction ratio 65%, annealing temperature 690℃ cold reduction ratio 75%, annealing temperature 750℃ cold reduction ratio 75%, annealing temperature 720℃ cold reduction ratio 75%, annealing temperature 690℃ Fig.1 Effect of cold reduction ratio on microstructure of experimental steel Mechanical properties Hardness The effect of cold reduction ratio on hardness of experimental steel is as Fig.2 .
When the cold reduction ratio was increased, the hardness gradually increase, and the hardness reached the maximum with cold reduction ratio 70% (HRB111.8),so it is to be helpful the precipitation of solid solution carbon under the high cold reduction ratio.
The A80 is high under 75% cold reduction ratio.
Conclusions (1) It is recrystallized completely microstructure under 55% to 75% cold reduction ratio and at 720℃, that is recrystallized completely microstructure at 750℃ under different cold reduction ratio

The best drag reduction effect has been gotten with appropriate riblet structure size, with the greatest drag reduction efficiency of 9.65%.
When the viscous drag reduction is greater than the pressure drag increment, the total drag is reduced, reaching the drag reduction effect.
The maximum drag reduction rate is 9.65%.
Distribution of down-stream velocity The Figure 4 shows the curves for the distribution of mean velocity near wall when the velocity of the incoming flow is 40m/s, and these data are obtained in the near-wall region at the same point in the y-direction both the smooth surface and the riblet surfaces.
The riblet structure with an appropriate size can achieve the drag reduction in all operating conditions of centrifugal fan, and the maximum drag reduction rate can reach 9.65%, while under the designed flow, the drag reduction rate is 2.96%.

Table 1.Summary of performance of each reduction technique.
Method Number of Species,NS Number of Reactions,NR Overall % of reduction in NS [%] Avg. % of reduction in tc [%] εID,MAX [%] DRG 431 1788 79.62 72.73 15.51 DRGASA 376 1501 82.22 78.18 13.91 DRGEP 375 1454 82.87 81.82 34.46 DRGEPSA 363 1404 82.84 83.33 34.47 Mechanism Reduction Scheme A novel five-stage mechanism reduction scheme which was applicable for large-scale mechanismreduction such as the n-hexadecane mechanism was established and presented in this section.
Superior performance of the new reduction scheme is observed with higher reduction scale and shorter computational runtime of CHEMKIN-PRO simulationsas compared to the reduced mechanisms generated from the DRG-based mechanism reduction techniques.
In this section, the reduced mechanism for diesel surrogate was denoted as NHX.ID timing of the NHX combustion was compared to the experimental data provided by Sandia National Laboratories which served as the benchmark for validation of the developed numerical models. #2 diesel (D2) fuel [11] with a CN of 46 and ID timing of 0.34 mswas selected as the reference fuel in this work.
[3] P.Pepiot and H.Pitsch: Systematic Reduction of Large Chemical Mechanisms (2005)