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At the same time a weight reduction has to be achieved and the manufacturing costs have to be considered.
A weight reduction of the trackers up to 60 % was possible.
Starting basis was a market analysis of existing ultralight helicopters with regard to technical data, range of application and maximum take-off weight.
The substitution of the aluminum parts of the frame enables a weight reduction of about 45 %.
The substitution of the steel landing skid even enables a weight reduction of about 50 %.

In the previous study [1], it was revealed that the absorbed hydrogen caused a remarkable reduction of ∆Kth in hard low alloy steel.
Each specimen was fatigue tested under different nominal stress amplitude and fatigue crack propagation property was obtained by gathering all data.
The data were obtained in short crack region in the range of 0.03 - 0.2 mm.
The relationship between the reduction of ∆Kth by hydrogen charge and HV is shown in Fig. 5.
There were no reductions of ∆Kth by hydrogen charge in soft materials whose HV were lower than HV = 200.

The reduction of the carbide grain average size was found as well (owing to nanoparticles blocking influence on re-crystallization).
A satisfactory coincidence of experimental and calculated data in the range of nanoparticles additives that do not overcome the critical concentration have been found out.
The measured data (Kic) was in a good accord with calculated from model for hard metals with mass content of nanoparticles approximately in the range 0.005-0.25.
To obtain data concerning influence of particles on properties of hard metals, each test series (beginning with preparation of initial powders) included a production of Standard basic alloys' control samples.
Adhesion wear reduction at all marks of modified hard metals was confirmed indirectly (on value reduction of surface roughness - Ra).

Structural data were obtained by using an X-ray diffractometer with the Cu-Kα radiation and Extended X-ray absorption fine structure (EXAFS).
Based on XRD data, the crystallite size and the lattice parameters of the samples were estimated by the Scherrer and Bragg equations of the Fe(110) peak.
EXAFS data were collected from the 3C1 EXAFS beam line of the Pohang Light Source (PLS).
After that, the EXAFS data were analyzed by making use of the IFEFFIT software.
Based on these XRD data, the crystallite size and the lattice parameter (a) can be evaluated from the Scherrer and Bragg equations, Figure 3.

When it comes to navigation function, common means of navigation are based on the vector data.
Emergency information platform is based on the emergency communication network platform, which takes centralized management and integrated application of data and information related to the disaster response rescue command to ensure the emergency decision support and emergency command.
The workflow is: collecting the field disaster data with the disaster information collection system first, and then send it to BD satellite with the uplink L band, using BD’s communication ability to send the data to the general information service platform, at the same time, the information is also sent to the disaster response command center through the ground communication networks to analyze and process.
Hand-held satellite positioning emergency response system is provided with satellite navigation and positioning, loading data of satellite remote sensing images (raster from) and electronic map (vector form), communication, data transmission and other basic functions, it can be applied in the field survey and disaster information collecting, and also can be used in the relief supplies transportation, meanwhile it is an important factor to dispatch and command, and it has the function of post-disaster valuation analysis. 2) Emergency response embedded software system for hand-held terminal.
This system mainly includes embedded GIS module, GNSS module, mobile communication module, data transmission module and business application module.

Our previous data for barrier tapes are also shown for comparison [11].
For comparison, our previous data for the tapes with thicker SrZrO3 + Bi-2212 barriers and wtape = 3.1 mm are also plotted [11].
As can be seen, Qm data show the maximum around operating frequency fop = 260 Hz.
The data for non-twisted tapes with their tape widths (wtape) of 2.7 mm and 4 mm are also plotted.
The data for non-twisted tapes with same tape width (= 2.7 mm) and wider one (= 3.7 mm) are also plotted as references.

Example analysis of provincial power enterprise Operation Efficiency Evaluation index selection and data statistics introduction.
The result of the DEA evaluation is dependent on the input and output index data.
By evaluating the data in Table 1 with Eq.3 and Eq.4, we can get the enterprise operations efficiency result as Table 2.
Conclusions The effectiveness of DEA depends on the accuracy of target data.
Data envelopment analysis based fuzzy comprehensive evaluation method and its application [D].

It first analysed the available measures regarding the reduction of ECPGDP.
The ECPGDP of Daxing District in 2010 was 0.776tce/104 CNY If there is no special declaration, the data about Daxiang District in the paper are all sources from Compilation of Economic and Social Statistics Data of Daxing District in the 11th period, Compiled by Bureau of Statistics of Daxing District, 2011, 7
The forecast value is calculated based on the time series data of permanent resident population of Daxing District form 2002~2010.
For Daxing District, because the data of energy losses are counted in the energy consumption, the measure of reducing energy loss will not be discussed here.
So, the latter two are the emphasis on the reduction of the energy intensity.

The selective catalytic reduction (SCR) of NOx with hydrocarbons as the reducing agent (HC-SCR) has attracted much attention, because it has the potential ability to eliminate NOx emissions from the lean-burn gasoline, diesel engines and natural-gas-fueled engines.
H2-TPR results (Figure 3 and Table 1) show that the Cu/H-Sep and Cu-Fe/H-Sep catalysts displayed two reduction peaks, corresponding to the reduction of highly dispersed CuO and bulk CuO species.
Compared with Cu/H-Sep, the shift of reduction to lower temperature for Cu-Fe/H-Sep indicates that the reducibility of the Fe-doped catalysts enhanced.
Catalyst Surf.area (m2/g) CuO cry. size (nm) a Cu2O cry. size (nm) b The peaks of H2-TPR Fe2+/Fe3+ molar ratio c Cu+/Cu2+ molar ratio c Tmax (oC)/ NO conv. (%) d Sep 58 - - - - - - H-Sep 120 - - - - - - Cu/H-Sep 96 18.5 7.8 160/310 - 0.39 300/49 Cu-Fe/H-Sep 81 11.3 6.2 135/290 0.57 0.51 290/55 a The data were estimated sccording to the Scherrer equation using the FWHM of the (111) line for CuO bThe data were estimated sccording to the Scherrer equation using the FWHM of the (311) line for Cu2O c Determined from XPS results.

The experimental data are shown in Table 1.
Table 1 Experimental data of unloading rock specimens Rock specimens Confining pressure /MPa Failure confining pressure /MPa Failure axial stress /MPa Failure axial stress difference /MPa 1# 40 19.8 182 162.2 2# 30 0.4 149 148.6 3# 30 12.5 181 168.5 4# 20 0.7 192 191.3 5# 20 4.3 164 159.7 6# 20 6.3 199 192.7 7# 10 4.1 148 143.9 8# 10 5.4 181 175.6 Fig.1 (a) shows the relationship between axial stress and axial strain under unloading condition.
Application experimental results to underground Rockburst control In the confining pressure reduction test, a specimen will fail in confining pressure reduction at the point where the axial stress is greater than its strength.
From the experiments of confining pressure reduction, it shows that rock fail during the process of confining stress reduction, i.e. rock can also fail during the change of stress condition, not only during the loading process.