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Therefore, it is very meaningful to remove hexavalent chromium in water, and the commonly methods are reduction method and adsorption method.
The MMT and MnO2/MMT composites were tested by using an adsorption and desorption isothermometer.The MMT and MnO2/MMT composites specific area of surface and pore characteristics were obtained from the test data, as shown in Table 1.
From the data, MnO2/MMT composites have enlarged the pore structure to a certain extent compared with MMT.

Even though the knowledge of corrosion process of the Ni-Cr-Mo-Cu alloy in HCl solution have been hardly known, the corrosion reaction has been extensively studied on other Ni-based alloy in HCl solution, it can be firmly established that the basic corrosion reactions are alloy dissolution and hydrogen reduction.
This relationship can also be developed by the testing data, and shown as fig.7 at -0.5V.
The dependence of logarithm of hydrogen evolution current density on the logarithm of the H+ ion concentration are presented by the experimental data in fig8, that of equations were shown as the followings, and that should agree with Eq. (1).

This weight reduction involves the application of new development lighter materials.
Additionally, data were acquired, treated and processed through the Perthometer Concept software.
This software also allows carrying out a flexible measurement data management.

The quantitative data are defined for description of substances behaviour in the beginning, course and also in the end of the combustion process.
The reduction of mass loss rate was observed in last phase and also ended a production of CO and CO2, and thus complete combustion became.
By the comparison of measured data can be concluded that 20 °C temperature difference between the FIT and SIT of materials is identical.

In order to more clearly show the differences, we statistical the temperature data is shown in Table 2.
Table 2 Comparison of different models of room temperature（˚C） Name of room Model type Maximum temperature Minimum temperature The average temperature Outdoor - 19.3 -23.83 4.09 Living room Solar house 20.33 6.09 15.57 Contrast house 18.55 3.97 14.16 Master bedroom Solar house 20.29 6.89 15.71 Contrast house 18.68 4.75 14.31 The West bedroom Solar house 19.98 5.93 15.53 Contrast house 19.39 3.80 15.11 Kitchen Solar house 18.64 4.43 15.01 Contrast house 18.70 4.42 15.12 Dining room Solar house 19.03 3.75 14.98 Contrast house 19.04 3.73 14.99 Statistical data in Table 2 shows that the west bedroom temperature of the solar house only slightly higher than the contrast house`s.
Besides, solar house can not only bring the actual economic benefits to the villagers, but also contribute to energy conservation and emissions reduction work in social efficiency of Shihezi area [5].

Data indicated that the pH variation was not affected by the biofilm drop.
Fig. 4 Varieties of turbidity during experiment period Data showed that the effluent COD concentration as well as the colority increased in phase II.
Chand, Decolorization and COD reduction of dyeing wastewater from a cotton textile mill using thermolysis and coagulation, J.

From section2, measurement position data is .
The reason is that there are less data available.
[9]Tao Jiang, Chunxing Ni, Chang Xu, Qi Qi, Curve Fitting Based Tone Reservation Method with Low Complexity for PAPR Reduction in OFDM Systems, J.

These studies showed a progressive reduction in load capacity, an increase in the friction parameter, the attitude angle and the permeability parameter.
This test is given by Pressure error= maxiP-P0P0<0.001 Deformation error= maxiδ-δ0δ0<0.001 Temperature error= maxiT-T0T0<0.001 Viscosity error= maxiµ-µ0µ0<0.001 Results and discussion Table 1 gives the journal bearing technical data used for the numerical simulation.
Table 1 - Journal bearing technical data used for the numerical simulation.

Shah and Kobayashi [4] performed FEM simulation to analyze the head of screw forming, the results to compare the experimental data to verify the acceptance of simulation.
The results show the half die angle and reduction ratio really affects the head forming and forging force, and the forging force has the influence to dies life.
Weronski [14] reports to realize that the simulation data can feedback to the realistic forming to improve the product defect.

By the MATLAB fitting curve, we can get the value of k, which can be expressed as follows: However, the surface heat transfer coefficient h was empirical data and affected the calculation error.
Prediction of rigid silica based insulation conductivity using morphological data [J].
Reduction of radioactive heat transfer in thermal insulations by use of dielectric coated fibers[J].