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Materials and methods Taxon sampling H. axyridis Pallas were collected in September 2007, from the Maoershan Forestry Centre of Northeast Forestry University, Harbin, Heilongjiang Province, China.
This material is based upon work supported by the National Natural Science Foundation of China under grant (30671694).
References [1] Liu Chongle: Chinese Economy Entomography, science press publishers, p. 59-60,(1963) [2] Jiang Yongchen and Zhu Peiyao: A research summary of Harmonia axyridis Pallas, Jiangxi Plant Protection, Vol. 16(1), p. 30-34, (1993) [3] Brown MW and Miller SS: Coccinellidae (Coleoptera) in apple orchards of eastern West Virginia and the impact of invasion by Harmonia axyridis, Entomological News, Vol. 109, p. 143-151, (1998) [4] Li Yan, Shao Yangguang, Sun Hui:.
Simple and convenient experimental materials of genetics, Harmonia axyridis Pallas, Bio. bll., Vol. 36 (3), p.12-15, (2001) [5] Wang Xiaoyi and Shen Zuorui: Progress of applied research on multicolored Asian ladybird beetle, Entomological Knowledge, Vol. 39, p.255-261,(2002) [6] Brown MW: Role of aphid predator guild in controlling spirea aphid populations on apple in West Virginia, U.S.A.
Chinese Journal of Biochemistry and Molecular Biology, Vol.24, p.329-335, (2008) [32] Yang Ziheng: On the best evolutionary rate for phylogenetic analysis.

In this paper, an evaluation index system of a nationwide railway material circulation enterprise is taken as an example.
The main business of this enterprise is transportation and logistics services of railway materials and steel.
[2] Suh-Wen Chiou, A bi-level programming for logistics network design with system-optimized flows, Information Sciences, 179( 2009)2434-2441
[8] Zhongfeng Qin, Xiaoyu Ji, Logistics network design for product recovery in fuzzy environment, European Journal of Operational Research, 202 (2010)479-490
[11] Fei Yin, Huajie Mao, Lin Hua, Zhiqiang Gu, Back propagation neural network based calculation model for predicting wear of fine-blanking die during its whole lifetime, Computational Materials Science, 59 (2012)140-151

Many researchers have employed an experimental approach to evaluate impact damage to composite materials.
Weight savings and performance enhancement naturally play a major factor in the choice of materials.
An Introduction to Composite Materials. 2nd Ed., Cambridge Solid State Science Series, Cambridge University Press, United Kingdom, 1996
Ajir., Applied Mechanics and Materials, 399-401 (2011) 2318- 2328
Majid, Applied Mechanics and Materials, 255 (2012) 138-143

Nanotechnology is a significant component in the fabrication of electronic sensors and photonic materials around electronics [3].
Carbon nanofibers have the electrical and thermal conductivity of metal materials, as well as the softness of lightweight textile fibers due to their polymer characteristics, as compared to powder materials[4]. as well as carbon's intrinsic characteristics, making it an attractive carbon-derived material for supercapacitors and materials energy storage [5].
Zhong, “Carbon Nanofibers and Their Composites: A Review of Synthesizing, Properties and Applications,” Materials, vol. 7, no. 5, pp. 3919–3945, May 2014, doi: 10.3390/ma7053919
Anggoro, “Formation of Carbon Fibres From Polymer Poly (vinyl alcohol)/Acetylene Black using Electrospinning Method,” in IOP Conference Series: Materials Science and Engineering, 2019, vol. 543, no. 1, p. 012030
Chen et al., “Electrospun carbon nanofibers as anode materials for sodium ion batteries with excellent cycle performance,” J.

Enkhtor4 1Institute of Physical Materials Science, Siberian Branch of the Russian Academy of Sciences, Sakhyanovoy st., 6, Ulan-Ude, 670047, Russia 2Banzarov Buryat State University, Smolina st., 24a, Ulan-Ude, 670000, Russia 3N.
The development of metallurgical production of cast alloys depends on the cost of products and the possibilities of efficient use of material and raw materials.
Cherepanov et al., Ultrafine powders in foundry, Ultrafine powders, nanostructures, materials: Materials of the Russian scientific and technical conference (in Russian), Krasnoyarsk: Siberian Federal University (2003) 263
Mamina et al., Prospects for the creation of foundry composite materials of the type Al-A12O3-SiO2, Liteinoye Proizvodstvo (Foundry.
Kurganova, Development and application of dispersion-hardened aluminomatric composite materials in mechanical engineering, Doct.

Experimental section Raw Materials of Experiment.
Fig. 1 The foam process of rapid evaporation method of batch method The Effects of Temperature on the Density of Foam Materials.
Fig.3(a) shows the characteristic of original materials.
New Chemical Materials, Vol. 36 pp. 87-89 (2008)
Journal of Nanjing University of Aeronautics and Astronautics, Vol. 42 pp.88-92 (2010)

Staryga: Journal of Achievements in Materials and Manufacturing Engineering Vol. 37 (2009), p. 2
Gokhale: Diamond and Related Materials Vol. 14 (2005), p. 232
Tzeng: Diamond and Related Materials Vol. 14 (2005), p. 2059
Carmo: Diamond and Related Materials Vol. 17 (2008), p. 72-78
Rosser: Diamond and Related Materials Vol. 6 (1997), p. 247

Calcination of natural materials (which posses calcium phosphates) at high temperatures (850°C) [3-4] is another interesting method.
Materials and Methods The shells of Zebra Nerite Snail were used (Fig. 1).
Processed HA materials were sintered at 865 and 885 0C in air around 4 hours.
This process can be simple and economical in producing biomedical scaffold materials.
Palti, ß-Tricalcium Phosphate as Bone Substitute Material: Properties and Clinical Applications, The International Journal of Dental Implants & Biomaterials, 2-11, Titanium, 2009 1(2): 0-0.

The former one uses time-of-flight (TOF) of plane wave propagating in bolt, while the latter uses surface acoustic wave (SAW) traveling on the material surface.
The mode-converted ultrasound has abundant information about the bulky material property, even though it is not well known yet in quantitative way.
In the table, experimental results are listed together with bulk elastic constants from material database for comparison.
Hing : Journal of Materials Science, Vol. 32(1997), pp. 6633-6638
Performance Materials, Vol. 5(1998), pp.97-115

Sharma: Materials Science and Engineering A Vol. 420(2006) ,p.228 [2] Z.
Liu: Rare Metal Materials and Engineering Vol.37(2008) ,p.1898 [3] Z.
Liu: Transactions of Materials and Heat treatment Vol.29(2008): 44 [4] K.S.
Chatterjee: Metallurgical and Materials Transactions A Vol.34 (2005),p. 3477 [5] S.
Stake J: Metallurgical and Materials Transactions A Vol.31(2000),p.1965 [11] W.