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-Gutiérrez, Surface and Physicochemical Characterization of Phosphates Vivianite, Fe2(PO4)3 and Hydroxyapatite, Ca5(PO4)3OH, Journal of Minerals & Materials Characterization & Engineering, Vol. 8, No. 8, pp 591-609, 2009 [4] L.
Wei, Preparation and Characterization of Natural Hydroxyapatite from Animal Hard Tissues, Key Engineering Materials Vols. 342-343 (2007) pp. 213-216 [5] S.
Kowshik, and S.R Ramanan, Low temperature synthesis of hydroxyapatite nano-rods by a modified sol–gel technique, Materials Science and Engineering C 31 (2011) 1534–1538 [10] Sobzack-Kupiec and Z.
Wéber, Examination of Calcium-Phosphates Prepared from Eggshell, Material Science Forum Vols. 537-538 (2007) pp. 105-112 [14] T.
Park, The facile and low temperature synthesis of nanophase hydroxyapatite crystals using wet chemistry, Materials Science and Engineering C 36 (2014) 152–159 [19] U.

The seepage coefficients of the dam body, dam foundation，core wall and grouting curtain materials are listed in Table 1[6,7].
Seepage coefficient of the dam body materials the layers of foundation Materials Seepage coefficient (cm/s) Materials Seepage coefficient (cm/s) Gravelly Soil core material 1.0×10-5 Concrete structure 1.0×10-7 Contact soil material 1.0×10-6 Grouting curtain 7.5×10-6 Filter materialI 5.0×10-3 Fresh base rock 1.0×10-5 Filter materialII 8.0×10-3 Micro weathered base rock 3.0×10-5 transitional material 3.0×10-2 Weakly weathered base rock（The upper part） 1.0×10-4 Main rockfill material 1.0×10-1 Weakly weathered base rock（The lower part） 1.0×10-4 Downstream secondary rockfill material 8.0×10-2 hard weathered base rock 5.0×10-4 Analysis of seepage field characteristics The peak height of different time of the free surface in core wall under the empty reservoir case are shown in table 2.
Journal of Hohai University (Natural Science).Vol.27(3) (1996), p.22-29 [2] Shen, Z.
Journal of Hohai University (Natural Science).
Journal of Hohai University (Natural Science).Vol:22(5) (1994), p.75-77

Using eco-friendly materials to optimize the biodiesel manufacturing process would result in higher yields of biodiesel with better quality that can compete with fossil fuels and potentially be used as a replacement [3].
Key Engineering Materials 917 (2022) 154-159
World Academy of Science, Engineering and Technology 57 (2009) 460-462
Trends in Food Science & Technology, 54 (2016) 148-154
Journal of Materials Science. 21 (1986) 1517-1524

With increasing the concentration of solutions in the materials, the degradation rate of the materials is decreased.
In this study, α-Calcium sulfate hemihydrate were used as the raw materials to prepare spherical particles calcium sulfate with stir method and solutions of Na2SiO3 was introduced in the materials.
Materials and Methods 2.1 Materials and Instruments.
Science Press, Beijing (1982) [12] F.
:Temperature effects on the radiation stability and ion exchange capacity of smectites, Journal of Nuclear Materials Vol. 297(2001), p.345-354 [14] G.

Synthetic resorbable materials were intended as an inexpensive substitute for natural bone.
Materials for bone tissue substitutions Various materials are used in modern dental and maxillofacial surgery for bone tissue substitution and reconstruction.
Synthetic resorbable materials were intended as an inexpensive substitute for natural bone.
The development of new medical technologies enables use of achievements in material science, biochemistry, molecular biology and genetic engineering while creating new combined synthetic materials for bone grafting (osteoplasty).
The Open Dentistry Journal 2011;(5): 96-104

Ultrasonic-assisted drilling (UAD) is a new process used for producing holes in the hard-to-cut and brittle materials at high accuracy and surface quality.
Soda lime glass rectangles 40 mm× 30 mm×6 mm were used as the workpiece material.
Ding: Experimental Studies on Drilling Tool Load and Machining Quality of C/SiC Composites in Rotary Ultrasonic Machining," Journal of Materials Processing Technology , vol. 214, no. 12, pp. 2900-2907, 2014
C. li: Rotary Ultraosnic Machining of Alumina Dental Ceramics: A Preliminary Experimental Study on Surface and Subsurface Damages, Journal of Manufacturing Science and Engineering, vol. 134, pp. 064501-1-064501-5, 2012
Ghai: Optimization of Process Parameters for Drilled Jole Quality Characteristics During Cortical Bone Drilling using Taguchi Method," Journal of the mechanical behavior of biomedical materials, vol. 63, pp. 355-365, 2016.

Materials Science and Engineering: R: Reports, 47(4-5), 139-182
Journal of Materials Science, 37(9), 1663-1673
Journal of Materials Engineering and Performance, 26(6), 2716-2726
Journal of Thermoplastic Composite Materials
Journal of Polymer Science Part B: Polymer Physics, 53(11), 780-789.

Introduction It is well-known that the mechanical properties of materials under dynamic loading are different remarkably from that under quasi-static case.
Thus, the characterization of dynamic mechanical properties of wheel/rail materials is required and important for designing and assessing the safety of the wheel-rail system.
Over the last several decades, there are a number of constitutive models (i.e., empirical, semi-empirical and physically-based models) were proposed to depict the dynamic plastic behavior of materials.
Clark, An investigation into the dynamic effects on the track of wheelflats on railway vehicles, Journal of Mechanical Engineering Science. 21 (1979) 287-297
Bassim, Characterization of the compression properties of rail steels at high temperatures and strain rates, Materials Science and Engineering A. 141 (1991) 247-260

Sun, G.H Yang and Q.X Ma: Journal of Materials Chemistry A. 2014
Chandrasekaran: Journal of Materials Science: Materials in Electronics. 21 (2010) 1168-1173
Zhang: Journal of Materials Science: Materials in Electronics. 20 (2009) 628-631
Wu: Applied Surface Science. 258 (2011) 1587-1591
Basak: Journal of Luminescence. 145 (2014) 19-24.

Synthesis and Properties of A Novel Material Chemistrty Unsymmetrical  Material,Diarylethene with Cyano Weiwei Geng, Congbin Fan, Shouzhi Pu* Jiangxi Key Laboratory of Organic Chemistry Jiangxi Science and Technology Normal University Nanchang 330013, P.
Introduction Various types of photochromic organic compounds, such as stilbene [1], azobenzenes [2], furylfulgides [3,4], spirooxazines [5] and diarylethenes [6,7] have been so far developed from the view points of fundamental organic photochemistry and practical applications such as light-modulating and optical recording materials.
Acknowledgements This work was financially supported by the Project of Jiangxi Academic and Technological leader (2009DD00100), the Natural Science Foundation of Jiangxi Province (2010GZH0040) and the Science Funds of the Education Office of Jiangxi, China (GJJ10241).
Gromov: Journal of Photochemistry and Photobiology A: Chem.
Irie: Journal of Photochemistry and Photobiology C: Photochemistry Rev.