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On the other hand, once the ordering is known, a data structure can be set up to accommodate L before any computation begins, which is called symbolic factorization.
The well-known minimum degree algorithm [5] and minimum deficiency [6] algrithm are local methods which attempts to reduce fill through a series of local fill reductions.

Sustainable development emphasizes technology innovation, efficiency improvement, resource savings and waste reduction [6].
Another sustainable development index system was generated to measure the construction sector by Zhang and London in 2011[2] which considered the nature of construction industry, data availability and other performance indicator systems which have been proposed previously.

The experimental uptake data for Z-Na-CIII are listed in table 2.
The results show that in each case there is a significant reduction in the uptake of NH4+ in the presence of the other ion.

Introduction Due to change in the external environment, aircraft structure in service is subjected to the alternating load, fatigue effects, corrosion and material aging effects and other factors, so fatigue damage and functional reduction can be found in those structures[1].
Vice versa, the wave velocity is much quicker at high frequency, increasing the requirement for data acquisition.

SnO2 nanostructures including nanowies, nanotube, and nanodiskettes have been synthesized successfully by evaporating SnO2 or SnO powders and by carbothermal reduction of a mixture of SnO2 and carbon powder under different conditions [16-18].
All the strong reflection peaks of the XRD pattern can be readily indexed to tetragonal rutile structure SnO2 with the lattice constants of a=b=0.443 nm and c=0.372 nm, which correspond with the data of SnO2 powders recorded in the JCPDS document (Powder Diffraction File Compiled by the Joint Committee on Powder Diffraction, 1985, Card No. 03-1116).

(1) 20˚C cotton fiber AC-16C (2) 20˚C no fiber AC-16 C Fig.2 Origin fit Time-Hardening mode Tab1 Index of time-hardening model Specimens type Temperature（˚C） C1/10-4 C2 C3 Fitting Correlation coefficient No fiber 20 1.77 0.47 0.46 98.87% Mineral cotton fiber 1.03 0.65 0.54 99.46% Finite element grid partition and unit selection Global seed method is employed in finite element grid partition, choose 20 nodes of secondary reduction hexahedron units C3D20R.
Data processing and viscoelastic computation for creep test of asphalt mixture [J].Journal of Southeast University:Natural Science Edition,2007, 37(6): 1091-1095

Among these features, the most fundamental one is the FRF, from which the other damage indices are yielded with some reduction of damage information.
Fig. 1 Data collecting system Fig. 2 Set-up for testing Fig. 3 FRF before denoising Fig. 4 FRF after denoising Detection of Damage Extension A sequence of FRF change ratioare used to depict extension of a crack.

Introduction Digital image forensic technology is a passive blind analysis technique directly using digital image data itself to do authentication and differentiation.
And we treat all of the images with noise reduction processing to decrease the image noise’s interference on the experiment results.

Assuming only two regions A and B, where region A compared to region B has the advantages of agglomeration economies in the industry outside and the scale economies of within the industry, the package of products on the market is producted in the region A ; the raw materials and energy of production is come from the region B in which through the sale of energy and mineral and other raw materials in exchange for the production and consumption data of region A.
It is easy to calculate that the change of industrial layout can be saved them quantity of traffic: unite (in which m>1) Brought about carbon dioxide emission reduction: (which is carbon emission factor of per unit of traffic).

-0.06 -0.03 0.00 0 30 60 90 120 150 180 210 240 270 300 330 -0.06 -0.03 0.00 D B C A ∆∆∆∆R [mm] A : F=1750 B : F=1250 C : F=750 D : F=250 Fig. 1 Radius reduction volume according to change of feed rate Evaluation Criteria for Circular Interpolation Accuracy Radial Deviation.
Fig. 3 Structure of grid encoder Fig. 4 Schematic diagram of grid encoder system Measurement Tests and Results Figure 5 and Fig. 6 show the measured and analyzed error data and the results of error diagnosis, after performing the circular interpolation moving accuracy tests with diameter of 100mm and moving speed of 1500mm/min.