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Author introduction: Ying-hua YU(1965-),female, Ph.D., professor, doctoral supervisor, advanced manufacturing technology, mainly engaged in machinery manufacturing in the detection of automation and intelligence, performance and application of new materials.
:International Journal of Mechine Tools and MANUFACTURE.(2012) [3] Ying-hua YU,Xing-qiang Xu:Journal of Vibration and Shock.(2007).In Chinese
[5] Ming-zhang Li,Ying-hou Jiao:Journal of Harbin Institute of Technology(2006).In Chinese
[8] Ping Xu,Chun-liang Ma,Ying-hua YU:Journal of Machine Design(2009).In Chinese
[9] Ying-hua YU,Si-yu Chen,Chun-liang Ma:Journal of Machine Design(2010).In Chinese.

Majority of normally happening porous media have porosities smaller than 0.6 but synthetic materials like metallic foam can have porosities equal to 0.99.
Sugunamma, Aligned Magnetic Field and Chemical Reaction Effects on Flow past a Vertical Oscillating Plate through Porous Medium, Communications in Applied Science, ISSN 2201-7372, Volume 1, Number 1, 2013, 81-105
Esmaili, Mohammad Reza Ghazanfari, Effect of heat source/sink on MHD Mixed convection Boundary layer flow on a vertical surface in a porous medium saturated by a nanofluid with suction or injection , Research Inventy: International Journal of Engineering And Science, Vol.4(5) (2014) 01-11 [14] T.
[28] M.Hatami, D.D.Ganji, Thermal behavior of longitudinal convective–radiative porous fins with different section shapes and ceramic materials (SiC and Si3N4), Ceramics International, 40(5) (2014) 6765-6775
Jayachandra babu, Radiation, inclined magnetic field and cross-diffusion effects on flow over a stretching surface, Journal of Nigerian Mathematical Society, DOI:10.1016/jnnms.2015.02.0 [31] N.Sandeep, C.Sulochana, Engineering Science and Technology, an International Journal (In Press) (2015) http://dx.doi.org/10.1016/j.jestch.2015.05.006 [32] K.

Test materials and specimens preparation Test materials The materials used were ordinary Portland cement P.O 42.5 produced by Rizhao ZhongLian cement plant, the compressive strength at 28 days of which is 46.8 MPa, and well-graded granite gravel produced in Chentuan, with the size from 5 mm to 31.5 mm, the needle-like particles of 5.3%, the crushing index of 6.8%, the mud content of 0.4% and the apparent density of 2620 kg/m3.The river sand was produced in Chentuan, with the fineness modulus of 2.9, the mud content of 1.8% and the apparent density of 2620 kg/m3.
The air entraining agent is produced by Qingdao Keli building material company.
So it is good to increase the continuity of material and improve the uniformity of concrete.
(China Science Press, China 2003).
SHPB Test Study on Dynamic Characteristics of Polypropylene Fiber Concrete, Journal of PLA University of Science and Technology (Natural Science Edition), 6(4), (2005), pp.351-354.

Study on the relationship between deformation and stability of large landslide with the rainfall Jianhong Lu1, a, Jianghong Qin2,b 1College of Earth Science & Engineering, Hohai University, Nanjing 210098, China 2East China Mineral Exploration & Development Bureau, Nanjing 210007, China aJianhonglv@sina.com, bJianghongqin@sina.com Keywords: Landslide, Deformation, Stability, Rainfall.
Different areas and different parts with parts have different material composition.
References [1] Hongyue Sun,The Influence of Localized Slumping on Groundwater Seepage and Slope Stability ，Journal of Earth Science (2013) [2] Qi-hua RAN1, Physically-based approach to analyze rainfall-triggered landslide using hydraulic gradient as slide direction, Journal of Zhejiang University-Science A(Applied Physics & Engineering) (2012) [3] Wei Fang,Rapid assessment of regional superficial landslide under heavy rainfall , Journal of Central South University(2012) [4] Chien-Yuan CHEN ,Landslide and Basin Self-organized Criticality in the Lushan Hot Spring Area , Journal of Mountain Science,(2012)

The main advantages of Laser welding process produces narrow heat affected zone, full penetration and very low distortions for joining of materials as compared to regular weld processes like TIG welding.
Laser beam welding with stainless steel materials is having limitations due to the low penetration depths.
Due to the availability of low laser power delivery and high cost, the weld thickness are still limited to few mm thickness in stainless steel materials fabrication.
Bonollo, Rapid Solidification in Laser Welding of Stainless Steels, Materials Science and Engineering, A,Volume 178, Issues 1-2, (1994), pp. 203-207
Poitevin , Review of candidate welding processes of RAFM steels for ITER test blanket modules and DEMO, Journal of Nuclear Materials.417(2011) 43-50.

We used experiment materials that were as thick as building envelopes, i.e., 50 cm ´ 50 cm ´ 12 cm.
Effect of pavement materials on surface temperatures in tropical environment.
Journal of the Atmospheric Sciences, 28(8), 1374-1388. (1971) [5] Yew, M.
Materials for Radiative Cooling: A Review.
Procedia Environmental Sciences, 38, 752-759. (2017)

Both N-type and P-type Bismuth Telluride thermoelectric materials are used in a thermoelectric cooler.
Selection of Thermo Electric Material: Thermoelectric materials can be conveniently divided into three groupings based on the temperature range of operation.
In all of the above mentioned TE materials, performance of the Bismuth-Telluride peaks within a temperature range that is best suited for most cooling and heating applications.
Performance of Thermoelectric Materials [w.r.t Figure of Merit (Z)] at various temperatures Fig 7.
Ramesh Kumar , Ankit Sonthalia, Rahul Goel, Experimental study on Waste Heat Recovery from an Internal Combustion Engine using Thermoelectric Technology, International Journal of Thermal Science Vol. 15, No. 4, (2011) 1011-1022

Chemistry of Materials, 13(2001)3140-3150
Chemistry of Materials, 13(2001)
Materials Research Bulletin, 42(2007)2048-2056
Chemistry of Materials, 20(2008)2165-2173
Chemistry of Materials, 16(2004)104-110

Introduction Currently, the number of materials science researches in the field of development of the new functional materials and technologies for producing finished products by powder metallurgy methods is rapidly rising [1].
Nanomaterials are used not only to impart or improve the properties of functional materials, but to increase the strength and other properties of structural materials.
Novák, Advanced powder metallurgy technologies, Materials. 13(7) (2020) 1742
Gorokhovsky, Dielectric properties of the polymer-matrix composites based on the system of Co-modified potassium titanate-polytetrafluorethylene, Journal of Composite Materials. 52 (2017) 135-144
Kuznetsov, Enhancement of percolation threshold by controlling the structure of composites based on nanostructured carbon filler, Journal of Electronic Materials. 48(8) (2019) 5111-5118

Zhou, Yang, Zhenyang Yu, “Microstructure and properties of in-situ generated Mg Al2O4 spinel whisher reinforced aluminium matrix composites”, Materials and Design 74, (2013), 644-651
Rohatgi a, “Tensile properties of reactive stir-mixed and squeeze cast Al/CuOnp-based metal matrix nanocomposites”, Materials Science & Engineering A, 611 (2014) 326–332
Weiping Chen, Yixiong Liu, Chao Yang, Dezhi Zhu, Yuanyuan Li, “(SiC+Ti)/7075Al hybrid composites with high strength and large plasticity fabricated by squeeze casting”, Materials Science & Engineering A, 609 (2014) 250–254
El-Sheikhb, “Microstructure, thermal behavior and mechanical properties of squeeze cast SiC, ZrO2 or C reinforced ZA27 composites”, Materials Science and Engineering A, 528 (2011) 2353–2362
I.Dinaharan, “Influence of in-situ formed ZrB2 particles on microstructure and mechanical properties of AA 6061 metal matrix composites”, Materials Science and Engineering A, 190 (2011) 07-15.