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When w is the angular velocity, N is the normal force, w is the weight and P is a force opposite to moving, this is shown in Figure 1.
Fig. 1.
The gearbox has a ratio of 2: 1 and does decrease the RPM and increase the torque in order to use a necessary engine power but with the dynamic conditions that are required.
Acknowledgement This project was developed in the DAVINCI research group of Mechatronics Engineering Program at Universidad Militar Nueva Granada References [1] W.
Wanying, “Research on Control Method of Two-wheeled Self-balancing Robot,” in 2011 International Conference on Intelligent Computation Technology and Automation (ICICTA), 2011, vol. 1, pp. 476–479

Reflected light imaging of polished surfaces prepared by controlled sublimation etching [1,2] reveals deep grooves along grain boundaries and shallow grooves along sub-grain boundaries (Fig. 1) [3].
An example is shown in Fig. 1.
In the NEEM deep ice core high bubble pressures induced the formation of (sub-) grain boundaries in the vicinity of bubbles because of the high storage temperature (see Fig. 1).
References [1] L.
Glaciol. 53 (2007), 479-489

Introduction Facing the increasing energy crisis, countries are looking for and developing new energy to replace traditional types [1].
NP20 a) b) Fig.3 Photo of PEMFC clamping pressure measurement and NP20 Specification of NP20 is shown in Table 1.
In this paper, =1.48V and =100% because of the fuel cycle.
References [1] R.
Marine Policy Vol. 26 (2002), p. 471–479

Thus, quartz crystal temperature sensor’s new cutting type is obtained as shown in Fig.1.
Fig. 1.
References [1] S Tadigadapa and Mateti, Piezoelectric MEMS Sensors: State-of-the-art and Perspectives, Meas.
Technolol., 20 (2009) 1-30
Haba, Temperaturefrequency Characteristics Simulation of Piezoelectric Resonators and Their Equivalent Circuits Based on Three-dimensional Finite Element Modelling, International journal of numerical modelling, 16(2003) 479-492.

All the XRD patterns of the ZnO synthesized by microwave assisted precipitation method are shown in Fig.1.
Fig.1 XRD patterns of the synthesized ZnO with different PAA concentrations.
Particle size distribution of the synthesized ZnO shows a bimodal with peak and shoulder at 1 mm and 20 mm, respectively.
References [1] R.
Commun. 195 (2008) 479-491.

However, the use of carbon materials has been greatly restricted due to the poor oxidation resistance at high temperature in an oxidizing atmosphere [1,2].
Results and Discussion Fig. 1 shows the XRD spectra of the as-prepared SiC coatings surfaces on graphite substrate prepared by pack cementation using different infiltration additives.
Fig. 1 indicates that the free silicon phase is formed and the silicon content is obviously increased when using Cr2O3, Al2O3 and MgO as infiltration additive respectively.
References [1] M.E.
Awasthy: Carbon Vol. 33 (1995), pp. 479

The corresponding result is showed in Fig.1.
And those range from 20~40 and 1~20 are named “elevated”and “not elevated” respectively.
References [1] Bardin J A, Lewis S.
Journal of Visual Impairment & Blindness, 2011, 105(8): 479-492
Professional School Counseling, 2010, 14(1): 15-26

Introduction Precision diamonding turning have found broad applications in the area of fabrication of optical quality surfaces since the advent of aerostatic rotary spindles and precise linear motion guide ways in last decade[1].
The details of the mechanical structure of the FTS are shown in Fig.1.
Fig. 1.
References [1] A.C.
IEEE/ASME Trans. on Mechatronics. 7(2002) 479-489

Silicon wafers have been widely used as the substrates to build the vast majority of semiconductor devices[1-2].
The illustration of the sol-gel reaction and the abrasive dispersion in gel polishing pad was shown in Fig.1.
References [1] G.S.
May, S.M Sze, Fundamentals of Semiconductor Fabrication, Wiley, New York, (2004) 1
Wang, Characteristics of Silicon Substrates Fabricated Using Nanogrinding and Chemo-mechanical-grinding, Materials Science and Engineering A. 479 (2008) 373-379

It should be mentioned that the flow rate was held constant and equal to 4 ml min-1 in all the tests.
Figure 1 shows the schematic view of the experimental set–up.
Fig. 1: Schematic view of experimental set–up Magnesium oxide (MgO) and silica (SiO2) nanoparticles were purchased from U.S.
References [1] E.S.
Tardy, Deep bed filtration modelling of formation damage due to particulate invasion from drilling fluids, Transport Porous Media 91 (2012) 479–508