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Technology experimental study The production methods of magnesium sulfate monohydrate are different according to different raw materials, mainly used mineral or briner as raw material.
Some byproduct, such as sodium sulphate preparation mother liquor, boric acid preparation mother liquor, high temperature salt after potassium extraction from brine, have been used as raw materials to prepare magnesium sulfate monohydrate.
Auxiliary materials used in sieving method, such as dispersants, washing brine, can be obtained from the bittern chemical plant, the technological process is simple and the product quality is stable.
Guo, Recent trends of application of sulphate fertilizer, Jiangsu Salt Science & Technology. 3 (2002) 4-5
Zhu, S.L. liu, et al., Study of High Temperature Crystallization Kinetics of MgSO4-H2O System, Journal of Shenyang Institute of Chemical Technolgy. 13 (1999) 147-150

Microstructure and Mechanical Properties of Equitomic CoCrFeCuNi High Entropy Alloy Seung Min Oh, Sun Ig Hong* Department of Materials Science and Engineering, Chungnam National University, Daejeon, 34134, Korea *sihong@cnu.ac.kr, dhtmdals0928@naver.com Keywords: High entropy alloy, CoCrFeCuNi, Microstructure, Mechanical properties Abstract.
Introduction High entropy alloys (HEAs) have become a thriving category of advanced materials because of their high strength, excellent ductility and good corrosion resistance.[1-3].
Raw materials were melted in a water-cooled copper mold under a high purity argon atmosphere.
Acknowledgments This research was supported by the Future Material Discovery Program of the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT and Future Planning (MSIP) of Korea (2016M3D1A1023532).
[12] KH Lee, SI Hong, Journal of Materials Research 18 (2003) 2194-2202

Material properties Raw materials All materials used in the experiments are produced in China.
Acknowledgement This study is financially supported by Natural Science Foundation of China (Grant NO. 51278126) and Fujian Provincial Department of Education projects (Grant NO.
The Interface Problems of Cement-based Composite Material.
Journal of Wuhan Building Material University, 1982(2)
Modern Concrete Technology, Shaanxi Science and Technology Press, Xian, 1998

The chemical compositions and heat treatment of the material are listed in Table 1 and 2.
If the dimple size is larger, the material has better plasticity, while if the dimple is smaller, the elongation and contraction rate of the material are smaller.
Taleff, Influence of grain size, solute atoms and second-phase particles on creep behavior of polycrystalline solids, Materials Science and Engineering. 322 (2002) 89-99
Ryadkov, A new engineering method for prediction of the fracture toughness temperature dependence for RPV steels, International Journal of Pressure Vessels and Piping. 80 (2003) 817-829
Ma, Strain rate and temperature effects on the critical strain for Portevin–Le Chatelier effect, Materials Science and Engineering A. 527 (2010) 5175-5180

Study on production of concrete small hollow block with recycled aggregate Qijin Li, Guozhong Lia, * Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, School of Materials Science and Engineering, University of Jinan, Jinan, Shandong, 250022, China amse_ligz@ujn.edu.cn, *correspondence author Keywords: Construction waste, Recycled aggregate, Concrete small hollow block, Grain composition.
Waste clay brick and waste concrete were the main part in construct waste and through sorted, crushed, screened and classified, they could be made into recycled coarse aggregate and recycled fine aggregate to become raw material of concrete and other building materials, which could not only solved construct waste disposal problems, but also reduced natural sandstone exploitation, so it had important social and economic benefits [2].
Experimental Experimental materials.
Yu: Journal of Shenyang Jianzhu University (Natural Science), Vol. 26 (2010) No.2, p.301.
Xun, et al: New Building Materials, (2010) No.10, p.27.

Introduction Aluminum alloy is recognized as recyclable material, and by using recycled aluminum alloy has lower greenhouse gas emissions than virgin metal because of low melting temperature[1-3].
Friedrich, Alternative fractional crystallization-based methods to produce high-purity aluminum, Journal of Materials Research and Technology 12 (2021) 796-806
Tada, Fluidity Evaluation of the AC4CH (A356) Aluminum Alloy Semi-Solid Slurry Made by Mechanical Vibration Method, Materials Transactions 57 (2016) 168-173
Tada, Effects of Mechanical Vibration Factors on Size and Shape of Solid Particles in JIS AC4CH Aluminum Alloy Semi-Solid Slurry, Materials Transactions 57 (2016) 163-167
Wang, Microstructural evolution of thixomolded AZ91D magnesium alloy with process parameters variation, Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 444 (2007) 251-256

The relationship between Nanocrystalline Structure and Frictional properties of Nanodiamond/Ni Composite Coatings by Brush plating Ying Li 1, 2, a, Bianxiao Li 2, b , Wenjun Zou2,c 1 School of Materials Science and Engineering, Shanghai University, Shanghai, 200072, China 2 School of Materials Science and Engineering, Henan University of Technology, Zhengzhou, Henan, 450007, China ahnzzliying@yahoo.com.cn, bbianxiao841229@163.com, cwenjun_zou@haut.edu.cn Keywords: nanodiamond; nanocrystalline structured; antifriction; composite coating; wear resistance Abstract.
Intorduction The nanometer electro-brush plating composite technology which emerges with the development of nano-materials can lead to the excellent performance of nanoelectro-brush plating composite coating, and can be used as the surface repairing, strengthening and anti-corrosion on mechanical applications widely [1-3].
Sample preparations Matrix material: Q235# steel, Size: 90mm × 50mm × 3mm.
Standard ring size was φ16mm×5mm, Material was 45 # steel, rotation speed was 200r/min, and load was 200N and time was1000s.
Journal of functional materials, 41 (2010) 1588-1591 [4] Ying.

Introduction Surface coated steel sheet ranks amongst the key materials for a great number of applications, in particular in the construction industry as exterior, interior, and structural materials [1].
Experimental Materials.
So the optimum dosage of BYK-055 was 0.5% of the base materials.
The conditions for preparation of coating for colored steel sheet using silicone-modified polyester resin were followed: urea-formaldehyde resin as crosslinking agent, 20%-30% (m/m) of the organic silicone modified polyester resin; mixed pigment: titanium dioxide + zinc phosphate + zinc borate (2:1:1, m/m), pigment binder ratio: 2.0-2.5 (m/m); catalyst, BYK-450, 3-5% of the total base material; defoamer BYK-055, 0.5% (m/m) of the total base material; dispersant BYK-163, 5% (m/m) of paint mass; organic silicon surface additive that strongly reduced the surface tension, BYK-310, 0.2% (m/m) of the total base material.
Alistair: Polymers Paint Color Journal, vol. 198 (2008), p. 32 [5] S.S.

Journal Citation (to be inserted by the publisher ) Copyright by Trans Tech Publications Effect of Inorganic Polyphosphate on Periodontal Regeneration T.
Materials and Methods Separation of Long Chain Poly(P).
Since poly(P) with a chain length of more than 20 phosphate residues is likely to be effective in promoting fibroblast growth and FGF stabilization, we prepared long chain-poly(P) with chain length ranging from 20 to 100 phosphate residues and remove the short-chain poly(P) by ethanol precipitation as described in Materials and Methods.
For in vivo experiments, a mixture of 1% poly(P) with 1% CMCor poly(P)-collagen ion complex (see Materials and Methods) was used.
We conclude that poly(P) might be a good material for treatment of periodontal diseases.

Ba 5, e 1College of Mechanics and Materials, Hohai University, Nanjing, China 2College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing, China 3Jilin Provincial Water Conservancy Science Research Institute, Jilin, China 4Jilin Provincial Water Conservancy Science Research Institute, Jilin, China 5Department of Civil Engineering Harbin Institute of Technology, Harbin，China alizhonghua77@126.com, bcsu@hhu.edu.cn, c375892357@qq.com, d332502795@qq.com, el1977227@126.com Keywords: Mineral admixture, Scaled mass, Dynamic modulus of elasticity Abstract.
Fig.3 Process of freezing-thwaing cysles Raw Materials.
Construction and Building Materials Vol. 10 (1996), p. 339-348 [3] F.G.
Construction and Building Materials Vol. 18 (2004), p. 197~202 [6] J.
Journal of The Chinese Ceramic Society Vol. 35 (2007), p. 96-100