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Test Materials The beach clay samples is taken from the coastal areas of Zejiang Province, and its main physical and mechanical indexes of soil sample are shown in reference [8].
The gypsum is produced by Shanghai Baoping building materials Co., Ltd.
Due to the small size of fly ash particle, it can be filled in the pores of soil particles as filling material.
Acknowledgement This work was financially supported by the Science Technology Department of Zhejiang Province(2012C31007).
Journal of Fuzhou University(Natural Science) Vol. 38 (2010), p. 437 [8] Jin Yumin, Zheng Xuwei, Cai Chunyang, Wang Guocai and Sha Ling: Submitted to Bulletin of Science and Technology(2013)

Beijing Science Press (2009) in press.
Analysis of FRP strengthened reinforced concrete beams using energy variation method [J].World Applied Sciences Journal, 2009,Vol. 6 (2009), p. 105
International Journal of Solids and Structures, Vol. 43(2006), p. 5750
ASCE Journal of Structural Engineering, 2001, 127(7): 784-791
Construction and Building Materials, Vol. 20(2006), p. 34

Introduction Current technology uses suitable chemical compounds and materials that have a sorption and degradation effect against industrial pollutants and CBRN military agents.
Information obtained during the research and development of the new technology of controlled sublimation [1] confirms new possibilities of production and increase of sorption and photocatalytic efficiency of nanostructures of environemtntally inert materials such as new type of carbon-silicate and oxidic materials [2], [3] and [4].
Materials and chemicals.
To evaluate the sorptive and photocatalytic efficacy of the prepared materials was used UV-VIS spectrometer OCEAN OPTICS USB4000.
LO1203 "Regional Materials Science and Technology Centre - Feasibility Program" funded by Ministry of Education, Youth and Sports of the Czech Republic and by the student projects SP2018/79 and SP2018/75.

Noh, Dynamic and quasi-static torsional behavior of tungsten heavy alloy specimens fabricated through sintering, heat-treatment, swaging and aging, Materials Science & Engineering A 247(1-2) (1998) 285-294
Bor, Swaging of liquid phase sintered 90W–7Ni–3Fe tungsten heavy alloy, International Journal of Refractory Metals and Hard Materials 36 (2013) 260-264
Bor, Effect of swaging on microstructure and tensile properties of W–Ni–Fe alloys, International Journal of Refractory Metals and Hard Materials 42 (2014) 126-131
Ramesh, The mechanical properties of tungsten-based composites at very high strain rates, Materials Science & Engineering A 203(1-2) 140-153
Li, Fabrication, characterization, and mechanical properties of 93W–4.9Ni–2.1Fe/95W–2.8Ni–1.2Fe–1Al2O3 heavy alloy composites, Materials Science and Engineering: A 636 (2015) 452-458.

Finite Element Simulations of Machining Forces Experimental Design, Materials and Method.
Dewes: Journal of Materials Processing Technology Vol. 150 (2004), p. 116 [4] B.
Attia: Machining Science and Technology: An International Journal Vol. 14 (2010), p. 149 [5] B.
Tounsi: Journal of Manufacturing Science and Engineering Vol. 132 (2010), p. 051008 [6] L.H.
Tounsi: Journal of Manufacturing Science and Engineering Vol. 132 (2010), p. 051009 [8] B.

At present, more than 90 percent of highway asphalt pavement adopted semi-rigid materials as base and subbase, and cement stabilized crushed stones base is the most widely used in our highway construction.
The material parameters of pavement structure layer are listed in table 1.
So, it is very necessary to study the effect of the base’s material parameters on surface deflection and tension stress of base bottom.
Acknowledgement This work has been supported by Chinese National Science Foundation (51078261).
References [1] Hongchang Wang, Xiaoming Huang and Zhi Fu: Journal of traffic and transportation engineering Vol. 5 (2005), p.38 (In Chinese) [2] Peng Zhang, Qingfu Li and Chengkui Huang: Journal of traffic and transportation engineering Vol. 8 (2008), p.30 (In Chinese) [3] Honghui Yang, Janxun Wang and Pei-wen Hao:Journal of Chang’an University(Natural Science Edition) Vol. 26 (2006), p.14 (In Chinese) [4] Qingfu Li, Peng Zhang and Jie Shen:Journal of Building Materials Vol. 11 (2008), p.365 (In Chinese) [5] Yingjun Jiang, Hang Xue and Hui Xue: Journal of Chang’an University(Natural Science Edition) Vol. 26 (2006), p.6 (In Chinese) [6] Feng Qin, Huiming Bao: Construction Technology Vol. 36 (2007), p.92 (In Chinese) [7] Ronghui Zhang, Yan Wang and Zhenghui Lei:Subgrade Engineering Vol. 1 (2008), p.57 (In Chinese) [8] Feng Qin: New Building Materials Vol. 12 (2009), p.32 (In Chinese) [9] Feng Qin, Shengjian Yang and Hongxin Lu: Railway Standard Design Vol. 5 (2010), p.25 (In Chinese

Application of Tracer Test in Survey of Hydraulic Connection Between Water Gushing and Fracture Water in Karst Tunnel - Taking Zhongjiashan As An Example Xiangwen Zhang1,a,Tao Wang1,b,Shenggao Cheng*,c 1 China University of Geosciences and Environmental Science, HuBei Wuhan 430074, China * China University of Geosciences and Environmental Science, HuBei Wuhan 430074, China a874627853@qq.com, b12736979@qq.com, cchengsg@cug.edu.cn Keywords: Groundwater tracer test; Supply source; Fluorescein sodium; Fluorescent whitening agent; Rhodamine Abstract.The field tracer test is dropping quantitative tracer materials in the entrance of ponor upstream and to monitor online concentration of tracer materials in the main export of underground river downstream, and then deduce the type of groundwater pipe and the source of supply according to the concentration.
It does not involve in any physical and chemical reaction with other environmental materials and cannot be easily biodegraded; (4) it is not easy to be intervened by other substances in the groundwater, but easy to be tested by instrument detection.
Journal of Radio analytical and Nuclear Chemistry,2003，257(1)：11-16
Research on application of tracer experiment analysis method to water hazards management in underground engineering[J].Chinese Journal of Rock Mechanics and Engineering.2012，31(4)：814-821.
Tracer tests to determine the connectivity of karst water runoff channel applications[J] Earth Journal .2013，21(7)：74-76.

Therefore, the first left-handed materials come out to human being [2].
In 2003, the founding of left-handed materials has been selected as one of the “ten key” scientific breakthrough by American <<Science>> magazine, which triggered worldwide research on this new artificial material.
With development of the research, the left-handed materials expanded to the multi-functional materials called metamaterials [3].
That’s to say, metamaterials, which are the new artificial materials that are not found in nature, can control the path of electromagnetic wave’s transmission.
Willis: New Journal of Physics, Vol. 8(2006), p.248.

Materials and methods Materials.
Table 1 Extraction yields of various extracts from laoying tea Solvent YieldA(g) Extraction B (%, w/w) Cold water 2.14±0.06 21.44 b Hot water 2.35±0.11 23.53 a Ethanol 1.08±0.10 10.85 c A Extracted from aired-dried materials (10.00g).
Perry: Journal of Food Science Vol. 47 (1982), p. 941- 945, 948 [10] Z.
Baux et al.: Journal of Cereal Science Vol. 36(2002), p. 209- 218 [18] W.
Lee et al.: Journal of the Science of Food and Agriculture Vol. 85(2005), p. 615- 621 [19] N.

Selective Laser Melting-Sintering Technology: From Dental Co-Cr Alloys to Dental Ceramic Materials Konstantinos Dimitriadis1,a* and Simeon Agathopoulos2,b 1Division of Dental Technology, Department of Biomedical Sciences, University of West Attica, Greece 2Department of Materials Science and Engineering, University of Ioannina, Greece adimitriadiskonstantinos@hotmail.com, bsagat@uoi.gr Keywords: CAD/CAM; Selective Laser Melting; Co-Cr alloys; dental ceramics; dental prosthesis Abstract.
Shen, Laser sintering of ceramics, Journal of Asian Ceramic Societies 1 (2013) 315–321
Shi, Microstructure and mechanical properties of 3Y-TZP dental ceramics fabricated by selective laser sintering combined with cold isostatic pressing, International Journal of Lightweight Materials and Manufacture 1 (2018) 239-245
Sing, Review of selective laser melting: Materials and applications.
Greil, Additive manufacturing of ceramic-based materials.