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After simplification, divide the drum into six parts of shaft, cylinder, hoop, plate, front clamp and back clamp, and conduct modeling, as shown in Figure 3 and 4, for the properties of materials of each part, see Table 1.
Applied Technical Guide on Light Sensitive Material and Plate [M].
Journal of Plasticity Engineering, 2007.6
Finite Element Analysis and Structural Optimization of a Vibration Feeder Based on ANSYS[J].International Journal of Plant Engineering and Management,2009
[10] Tokhi MO, Mohamed Z.Modeling of a flexible robot manipulator using finite methods:a symbolic approach[J].Journal of Low Frequency Noise Vibration and Active Control,1999,18(2).

Development of Lamb waves-based SHM systems Lukasz Ambrozinski1,a,*, Tadeusz Stepinski1,2,b, Tadeusz Uhl1,c, Janusz Ochonski1,d, Andrzej Klepka1,e 1AGH University Of Science and Technology, al.
The main advantage of the algorithm is its robustness [3], however it requires precise information on material properties and the thickness of the investigated structure which may be unavailable.
Experimental results Since this work is concerned with damage detection in isotropic materials, the experiments presented in this section were conducted using aluminum plate-like structures.
Su, “Crack identification in aluminium plates using lamb wave signals of a pzt sensor network,” Smart Materials and Structures, vol. 15, no. 3, p. 839, 2006
Fink, “Highly resolved detection and selective focusing in a waveguide using the d.o.r.t. method,” The Journal of the Acoustical Society of America, vol. 105, no. 5, pp. 2634–2642, 1999

It is noted that the different casing thread taper, materials, size parameters, the most suitable amount of variable pitch will not the same.
Acknowledgements The study is subsidized by Zhanjiang West South China Sea Oil Hezhong Offshore Construction Co., LTD (No.YH10ZF1152) and National Natural Science Foundation of China (No.50905036).
Journal of Taishan University, Vol. 32(3), p. 49-55, 2010(In Chinese)
Journal of Pressure Vessel Technology-Transactions of The ASME, 1997, Vol. 119(1), p. 91-95
Journal of Engineering Technology, 1997, Vol. 14(2), P. 42-47.

Material and Experiment Feedstock Materials.
Proximate and ultimate analysis data of the present feedstock materials can be found elsewhere [4].
Series: Earth and Environmental Science, 93, 012072 (2017) 1-13
Biofuel Research Journal, 11 (2016), 448-457
Journal of Physical Chemistry C., 116 (2012) 21416-21429

In recent times, researchers have been exploring the possibility of utilizing thermal activation to restore the hydraulic properties of cementitious materials.
Materials and Methods Preparation of the Raw Material.
Ding, Preparation of new cementitious system using fly ash and dehydrated autoclaved aerated concrete, Journal Wuhan University of Technology, Materials Science Edition. 29 (2014) 726–732
Lopez, Properties of mortars produced with reactivated cementitious materials, Cem Concr Compos. 64 (2015) 16–26
Guedes, Influence of the treatment temperature on the microstructure and hydration behavior of thermoactivated recycled cement, Materials. 13 (2020)

Strain-life and stress-life curves of steel materials under torsional load LCF versus HCF.
The materials in the tests are supposed to have a low fatigue life.
This kind of fatigue is called low-cycle fatigue (LCF) because of the low fatigue life of the materials.
The fatigue life of the materials can be longer.
References [1] Xu Chao, Zhang Guodong, Su Bin: Journal of Materials Engineering Vol. 08(2007), p. 65 [2] Yao Weixing, in: Fatigue Life Prediction of Structures, edited by National Defense Industry Press, Beijing (2002) [3] K.S.Kim: International Journal of Fatigue Vol. 24 (2002), P. 783 [4] Zhao Shaobian, in: Fatigue Design, edited by China Machine Press, Beijing (1994) [5] Smith, R.W, Hirschberg, M.H. and Manson, S.S., in: Fatigue behavior of materials under strain cycling in low and intermediate life range, edited by NASA TN D1574 (1963)

Experimental Procedure Materials.
Sittikijyothin: Advanced Materials Research, Vol. 93-94 (2010), p. 599 [4] Wang, H.
Satirapathkul: Proceeding of the 3rd National conference on Sciences and Social Sciences (NCSSS 2010), Mahasarakham, Thailand, 2010, Section III, no. 216
I.: LWT - Food Science and Technology, 41(2008), p. 2159 [15] M.A.Freudenberg, T.
Jerala, R.: International Journal of Medical Microbiology.

Wasted Low Grade Iron Ore with High Phosphorus Reuse for Phosphate Removal from Aqueous Solution by Using a Factorial Design Xiaoli Yuana, Wentang Xiab, Juan Anc School of Metallurgy and Material Engineering，Chongqing University of Science and Technology，Chongqing 401331,China ayuanxiaoli1981@126.com, bwentangx@163.com (corresponding author), canjuan2692@126.com Key words: low grade ore iron with high phosphorus (LGIOWHP), phosphate removal, a factorial design Abstract.
Materials and methods Materials.
The experiments were performed under a certain experimental conditions for reacting for some time, the sample was taken out by filtration after equilibrium, and the pH of the aqueous solution was measured by pH meter (METTLER-TOLED).The phosphate concentration of all samples including aqueous solution was analyzed by bismuth phosphor molybdenum blue spectrophotometric method (TU-1810, Beijing Puxi Science and Technology Instrument Co Ltd China).
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (Grant 51174246).
[15] W.T.Xia,Z.D.Ren,Y.F.Gao: Journal of Iron and Steel Rearcher Internation Vol. 18/5(2011) p. 1-4.

GAIM process have some advantages, such as lower injection pressure, lower warpage, better surface quality, lower material consumption, and shorten molding cycle time.
The simulation process includes: modeling, materials selection and characterization, flow process analysis, results display and reports-making.
The meshing results were shown as Fig.1 and Fig.2. [7-10] The simulation analysis conditions of gas injection molding included: injection temperatures ( 210℃, 220℃, 230℃, 240℃, 250℃);melt/gas delay time ( 0.1s, 0.3s, 0.5s, 0.37s, 0.9s); pre-injection shot radio ( 94%, 96%, 98%, 100%);gas injection pressure ( 12MPa, 15MPa, 18MPa, 20MPa);simulation materials: PP.
Natural sciences journal of JILIN university.2002.vol.32(2):p.83-86 [4] Yanxing Song, et al.
Jilin University (Engineering Science). 2004.vol.32 (2): p268-271 [6] Moldflow-Gas, Moldflow Reference Manual, Moldflow Pty.Ltd.1993:1506 [7] Huamin Zhou,Dequn Li.Filling simulation and gas penetration molding for gas-assisted injection molding.Applied Mathematical Moldelling.2003.(27):p.849-860 [8] Kui Chen.

The part of the experiment Materials and instruments.
On one hand, high temperature and pressure degumming could remove the non-cellulose materials on the fibers so as to improve the content of cellulose.
References [1] Xiaofeng Lu, Fangli Su and Linfei Zhou: Journal of Northwest Forestry University,2011,26(4),in Chinese
[3] Weikun Mao and Jian Hua: Progress in Textile Science & Technology ,2010,(2), in Chinese
[4] Shuyu Fu,Jianyong Yu and Lili Wu: Progress in Textile Science & Technology ,2008(1) , in Chinese