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Now, there are several ways to use phosphorus gypsum as building materials, one is the production of non-load bearing walls block [1], and the other is to make phosphorus gypsum quick wall which introduced from Australia for multi-storey building [2].
Shandong Building Materials, 24 (3): 57-59(2003) [3] H.G.
Journal of Guizhou University of Technology, 37 (4): 28-32(2008) [4] S.Y.
Huang: Research on reinforced concrete close ripstop plate combined with close grid plate shear wall system with phosphorus gypsum as template and auxiliary building materials[D].
Journal of Xi'an University of Architecture and Technology, 34 (1):71-74(2002)

A Computer-controlled In-situ Analysis Instrument based on Laser Induced Breakdown Spectroscopy Jie Wang1,a, Mingjun Xu2 3,b, Linli Shi2 3,c, Qi Shi2 3,d, Yongchao Wang﹡{TTP}-415 1,e, Yixiang Duan﹡{TTP}-415 2,f 1 School of manufacturing science and Engineering, Sichuan University, Chengdu 610065, China 2 Research Center of Analytical Instrumentation, College of Life Sciences, Sichuan University, Chengdu 610064, China 3College of Chemistry, Sichuan University, Chengdu 610064, China a531647229@qq.com,b282120108@qq.com, c819258005qq.com,d675533655@qq.com, ewang_yongchao@sina.com, fYduan1@163.com ﹡{TTP}-415 Corresponding author:Yongchao Wang,E-mail: wang_yongchao@sina.com Yixiang Duan,E-mail: Yduan1@163.com.
A portable LIBS device capable of analyzing material component especially for drilling fluids in the drilling site was designed and assembled.
In recent years, a large number of scholars have conducted research on LIBS in the detection of various materials[10].
Journal of Analytical Atomic Spectrometry, 2012. 27(2): p. 276-283
[10] Liang, L., et al., Classification of steel materials by laser-induced breakdown spectroscopy coupled with support vector machines.

To improve the ability of fire resistance of concrete structures, a lot of experimental researches about concrete structures have been carried out at home and abroad, which have provided a solid fire-resistant data base, such as mechanical properties of concrete materials at high temperature, high temperature deformation, high temperature compression strength, high temperature compression deformation, stress - strain curves and other high-temperature properties [2][3].
As the experiment is limited by a number of conditions: size, load and the materials used, which is not only applicability limited, while time consuming and expensive.
The fire environment temperature and the load was deal as control variables, and the material strain (or intensity) was deal as the state variables.
Acknowledgments This work was financially supported by the Open Fund of the State Key Laboratory of Subtropical Building Science, Key Laboratory of Efficient and Clean Energy Utilization of Guangdong Higher Education Institutes，South China University of technology (KLB10004) References [1] Jianlin Nan, Zhenhai Guo, Xudong Shi: Journal of Tsinghua University (Sci &Tech).
Vol. 32 (2001), p. 271 (In Chinese) [10] Yue Pan: Chinese Journal of Geotechnical Engineering.

Chu: Liaoning Agricultural Sciences Vol. 3 (2011), p. 285 [5] H.B.
Liang: Chinese Practical Journal of Rural Vol.12 (2005), p.42 [8] J.M.
Zou: Jiangsu Agricultural Sciences Vol.04 (2009), p.314-316 [13] T.H.
Food Science Vol. 29(2008) , p.52-55 [15] B.G.
Hou: Journal of Ningbo College Vol.13 (2001), p.123-125 [17] Y.

Journal of Constructional Steel Research, 2008,64:247-252
Journal of the Acoustic Society of America,1970,48(5); 1288-1292
Modelling and simulation of human-floor system under vertical vibration [C], in: Proceedings of SPIE, Smart Structures and Materials, Vol. 4327, March 5–8, Newport Beach, CA, USA, 2001, 513–520
Fire risk assessment methodology [M].Beijing: Science Press, 2004.300-320
Chinese Science Bulletin, 2002(12):896-901

The target material was copper.
Journal of Aluminum Processing, 3 (2009) 52-55
Journal of Mechanical Engineering, 55(20) (2019) 128-143
International Journal of Heat & Mass Transfer, 2015, 80(jan.): 288-300
Journal of North University of China (Natural Science Edition), 2018, 39(02), 220-224+229 [11] Y.

Materials and Methods Synthesis of colloidal apatite NPs.
Legeros, Calcium Phosphate-Based Osteoinductive Materials, Chemical Reviews 108(11) (2008) 4742-4753
Drouet, Biomimetic apatite-based biomaterials: on the critical impact of synthesis and post-synthesis parameters, Journal of Materials Science-Materials in Medicine 23(11) (2012) 2593-2606
Epple, Transfection of cells with custom-made calcium phosphate nanoparticles coated with DNA, Journal of Materials Chemistry 14(14) (2004) 2213-2217
Drouet, Preparation and Physicochemical Characteristics of Luminescent Apatite-Based Colloids, Journal of Physical Chemistry C 114(7) (2010) 2918-2924

Materials and Methods BG samples were produced through sol-gel method.
Acknowledgments The authors gratefully acknowledge the financial support provided to this study by the Ministry of Science and Technology (MOST) in Taiwan under Grant Nos.
Boccaccini: “Sol-gel processing of bioactive glass nanoparticles: A review,” Advances in Colloid and Interface Science (2017), p. 1-11 [3] Julian R.
Knowles: “Sol–gel based materials for biomedical applications,” Progress in Materials Science (2017), Vol. 77, p. 1-79 [5] Z.
Jing, “Preparation of bioactive glass ceramic nanoparticles by combination of sol–gel and coprecipitation method,” Journal of Non-Crystalline Solids, (2009), Vol. 355, p. 368-372

Experimental procedure Hot-rolled magnesium alloy AZ31 sheet was chosen as the initial material.
The material was annealed at 500℃ for 3h in order to obtain mean equiaxed grains (～25µm).
Tan: Materials Science and Engineering Vol.A339(2003), p.81 [2] Kaibyshev, I.V.
Zaripov: Journal of materials science Vol.23(1988), p.4369 [3] J.
Maruyama: Materials Transactions Vol.44(2003), p.445 [4] Y.N.Wang, J.C.Huang: Scripta Mater.

All of the higher order symmetric and antisymmetric modes have their cut off frequencies, characteristic for different materials.
The reason is that bone unlike engineering materials is a living structure and its properties depend on human factors - age, physical activity, health status, etc.
Its mechanical behavior can be fairly well approximated by the constitutive models developed for engineering materials.
It is imaginable that the methodology established for biological tissues will be transferable on materials like metal foams where visual inspection is impossible.
Journal of Biomedical Materials Research, 63 (4), p. 441 - 446, 2002 [13] G.