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Effect of Mg-30%La Modification on the Microstructure of Al-7Si Alloy YIN Dongsong1, ZHANG Zhongkai2 and CHEN Yu1 and WANG Zhengling1 and ZHANG Chunyu2 and WANG Chunyang2 and YU Yucheng1 and AN Yongliang1 and LI Zhou2 and PANG Qiantao1 and LI Qingshan2 and CHEN Rui2 1Colloge of Materials Sicence and Engineering, Heilongjiang University of Science and Technology，Haerbin 150022 2 Haerbin Dongsheng metal co., ltd Haerbin150000 adongsongyin@126.com, bzhangzk100@aliyun.com, c23904947@qq.com Keywords: Aluminum alloy, Mg-30%La alloy, Grain refine Abstract.
Experimental materials and methods The commercial pure aluminium was chosen as the experimental materials.
The design nominal composition was as shown in table.1.The investigated specimen was cur from pouring materials.
[3]Shahrooz Nafisi, Reza Ghomashchi.Combined grain refining and modification of conventional and rheocast A356 Al-Si alloy[J].Materials Characterization, 2006: 371-385
Materials Letters, 2008,Vol.62: 273-275 [7]Parvinder Kaur, Gurinder Pal Singh, et al.

Oren Mapúa University, School of Chemical, Biological, and Materials Engineering and Sciences, 658 Muralla St., Intramuros Manila, 1002 Philippines areyesl@deakin.edu.au, bmenandro.marquez@gmail.com, crraquino@mapua.edu.ph, ddpbernabe@yahoo.com Keywords: electrospinning, fibers, nanoparticles, biopolymer Abstract.
The CuO materials were synthesized via direct sonochemical-assisted route.
The Tm and Td of the materials ranged from 120-140°C and 340-370°C.
A, “Toxicity assessment of organomodified clays used in food contact materials on human target cell lines,” Appl.
Panayiotou, “Thermal and colloidal behavior of amine-treated clays: The role of amphiphilic organic cation concentration,” Journal of Colloid and Interface Science, vol. 315, pp. 520–527, 2007

The studies on the marble holes grinding compared with ceramic materials are conducted by Yong Qin.
The results show that the MRR is related to mechanical properties of the materials, under the same condition, the MRR can decrease along with increasing of the material strength and fracture toughness [14].
Xu: Journal of Tsinghua University (Science and Technology), Vol. 49 (2009) No.11, p. 1799-1804 (In Chinese)
Li: Key Engineering Materials, Vol.416 (2009), p. 142-148
Zhang: Modern Honing Technology (Science Press, China 2007).

Engineering Science and Technology, an International Journal 19(1) (2016). 313-321
Journal of Molecular Liquids, 229 (2017) 339-345
Journal of Magnetism and Magnetic Materials, 443 (2017). 36-44
Applied Sciences, 7(4) (2017) 431
International Journal of Mechanical Sciences, 135 (2018) 532-540

Materials and Methods UASB reactor set-up.
The IWA Anaerobic Digestion Model No. 1 (ADM1) Water Science and Technology. 2002;45:65 - 73
Environmental Science Pollution. 2010;Res. 18:649-54
Journal of Membrane Science. 2006;271:46-58
Journal Hazardous Material. 2011;198:40-8

The pore of coal material is reamed by power ultrasound, so the injection pressure water along the fractures, joints, large pore of coal material transport at greater speed, increasing the wetting of the coal material.
Sonochemistry [M].Beijing: Science Press,1995 [2] Fen Nuo,Li Huamao.
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Journal of Liaoning Technical University (Natural Science Edition),2001,20(6):773-746 [7] Kang Wenze,Lv Yuting.
Effect of Ultrasonic Treatment on Slime Characteristics [J].Xuzhou: Journal of China University of Mining & Technology,2006,35(6):793-798 [8] Nie Baisheng,He Xueqiu,Wang Enyuan,et al.

Introduction Materials science has achieved revolutionary results in interpreting the intrinsic properties of materials in terms of thermal, magnetic, dielectric, electronic, and optical properties over the last few decades.
It is representing the degree of polarization in materials.
Khambali et al., ‘N-Doped rGO-Like Carbon Prepared from Coconut Shell: Structure and Specific Capacitance’, Journal of Renewable Materials, vol. 0, no. 0, pp. 1–11, 2022, doi: 10.32604/jrm.2023.025026
Al-Ani, ‘Determination of the optical gap of amorphous materials’, International Journal of Electronics, vol. 75, no. 6, pp. 1153–1163, Dec. 1993, doi: 10.1080/00207219308907191
Feldman, ‘Basic optical properties of materials’, p. 256

The most common problems of these methods are complexity of production process, need to expensive equipments, need to expensive raw materials, need to exceedingly pressure and temperature etc.
It is actually a key industrial material.
Hirschwald et al, “Zinc Oxide”, Current Topics in Materials Science, Vol. 7(3):143-482 (1981)
Wang, “Zinc Oxide Nanostructures: Growth, Properties and Applications”, Journal of Physics: Condensed Matter, Vol. 16:829–858 ( 2004)
MacManus-Driscoll, ZnO – nanostructures, defects, and devices,Materials Today, Volume 10, Issue 5, Pages 40-48 ( May 2007)

So comparing with the alkali-slag, the waste mixture have the characteristic of low moisture content, low compression, high capacity, high permeability coefficient, and could dehydration quickly, so it become the material in raising the ground elevation in the building of the mountain, not only solved the shortage of soil materials, but also utilized the wasted alkali-slag.
The waste materials could be reused directly to design the landscape, and could also be reused after process, such as using the alkali-slag as backfilling material.
Journal of Soil Water Conservation, Vol. 3 (2004): p.160-164 [10] H.
Shu, etc: Selection of Covering Materials for Eco-engineering Restoration at Municipal Waste Landfill Sites.
Research of Environmental Sciences, Vol. 6 (1997): p.10-14

It is often subjected to restrictions on site, equipment and material costs, and so on.
But the deformation of rock and soil mass main depends on material medium.
So the material nonlinearity of rock and soil mass is mainly considered in this paper.
(4)Constitutive relations of materials For the PHC piles and main structure, the concrete is considered to be isotropic elastic material.
,Chung, C.K., Kim, M.M., Canadian Geotechnical Journal, Vol.38 No.5 (2001), p.1127-1133 [8] Fenton Gordon A ,Griffiths D.V.