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The evaluation of the effect of microorganisms on plastic raw materials and the determination of whether this effect causes future deterioration in plastic materials has been examined in our article.
Plastic materials are easy to use and clean products.
Products made from Plastic materials are easy to clean and use.
International Journal of Life Sciences and Biotechnology, 2021. 4(2): p. 324- 339 [2] Niall D’arcy: Antimicrobials in Plastics: A Global Review, Plastics, Additives and Compounding Vol.3 (2001) p.12-15
Sastri, Plastics in Medical Devices (Third Edition), 2022 [6] X.Zhao: Antibacterial bioactive materials, Bioactive Materials in Medicine. (2011) p.97–123 [7] Niira R.

Vijaya Prakash, Spectroscopic studies of Nd3+ doped lead tungsten tellurite glasses for the NIR emission at 1062 nm, Optical Materials 39 (2015) 8-15
Lavín, Nd3+-doped TeO2-PbF2-AlF3 glasses for laser applications, Optical Materials 51 (2016) 35-41
Marimuthu, Structural and luminescence properties of Dy3+ doped oxyfluoro-borophosphate glasses for lasing materials and white LEDs, Journal of Alloys and Compounds 629 (2015) 230-241
Wanarak, Luminescence and scintillation of Ce3+-doped high silica glass, Optical Materials 34 (2012) 1762-1766
Azizan, Impact of Nd3+ ions on physical and optical properties of Lithium Magnesium Borate glass, Optical Materials 37 (2014) 391-397

Research on Consolidation of Tailings by Microbially Induced Cementation Longzhi Lia, Chunxiang Qinb and Hui Rongc College of Materials Science and Engineering, Southeast University, Nanjing 211189, China alilongzhi1987@126.com, bcxqian@seu.edu.cn, cxiaozhuronghui@126.com Keywords: Aicrobe cementitous materials, Tailings, Consolidation.
Mill tailings are the finely ground, mineral-processing waste materials generated after extraction of minerals, the disposal of which is a major environmental problem for the mining industry [1-2].
Cementation experiments Materials.
Journal of Coal Science and Engineering (China). (2011) 355-359
Science in China Series D: Earth Sciences. (2008) 30-40

Phillips’ Science of Dental Materials. 10th ed.
Materials. (2010);3(1):351-368
The Science and Art of Dental Ceramics.
Journal of Nuclear Materials. (2009);384:190-193
Part I: core materials. 

The result would promote the establishment of the foundation for the application of artificial production of natural color cocoons. 1 Material and Methods 1.1 Materials The experiment domestic silkworm breed was Suxiong×Yingxiao, which was fluorescent color convicted sex cocoon.
This indicated that after the process of add-eat ‘No2 Red X’, a lot of pigments accumulated in silk gland, combing with its proteins forming silk materials.
Journal of Anhui Agricultural Sciences，2002,30（5）:666-672
SCIENCE CHINA Life Sciences，2010，53（11）：1330-1339 [9] Kong Q M, Lin J R, Wang Y Y,et al.
Journal of Chinese Institute of Food Science and Technology，2001，1（1）：12-17

(3) Project proposal: In the absence of clay, cement-soil of 3:7 can be used as seepage control material.In the other waterproof foundations,calcareous soil can be used as waterproof material temporarily,But two ash cannot bear this task
Journal of Northwest Agriculture and Forestry University of Science and Technology (Natural Science Edition), 2009((9):119-223
Journal of Nanjing University of Technology,2007,29(5): 25-29
Journal of geotechnical engineering,2004,26(5):719-721
Building science, 2009, 25 (1) : 55-58.

It was studied alumina, clay and residue from kaolin processing as raw materials.
Materials and Method Materials.
Brasileiro, et.al: Materials Science Forum Vols. 530-531 (2006), p. 625
Ribeiro, et al: Journal of Materials Synthesis and Processing Vol. 10 (6) (2002), p. 311
Mansur: Journal of Materials Processing Technology Vol. 145 (2004), p. 15

Recent experimental studies on various materials have revealed a limitation in classical continuum theories [6-8].
Aifantis, Mechanics of Materials 35 (2003) 259-280
Aifantis, International Journal of Engineering Science 30 (1992) 1279-1299
Patel, Mechanics of Advanced Materials and Structures 26 (2019) 1316-1332
Reddy, International Journal of Engineering Science 45 (2007) 288-307.

Commonly 6 test specimens only have been produced and tested: MT-07-01, MT-07-02, MT-07-03 and MT-08-01, MT-08-02, MT-08-03, but in the case of steel (unlike other non-metallic building materials) 6 tests are sufficient and usable test number for the satisfactory evaluation.
(I-profile) 346.6 456.8 213.4 18.2 From the comparison of of failure mechanisms seen on the failed specimens, it can be deducted, that from the viewpoint of the basic behaviour historical steel is very similar to the recent materials.
Rozlívka, Design characteristics of structural steels based on statistical analysis of metallurgical products, Journal of Constructional Steel Research, Volume 60, Issue No. 5, 2004, ELSEVIER Sc.
Karmazínová, Design assisted by testing – a powerful tool for the evaluation of material properties and design resistances from test results, International Journal of Mathematical Models and Methods in Applied Sciences, Vol. 6, No. 1, 2012, pp. 376-385.
[7] EN ISO 6892-1 Metallic materials – Tensile testing – Part 1: Method of test at room temperature, CEN Brussels, 2009.

Green and G Cavallaro: Materials Science and Engineering A Vol. 464 (2007), p. 85 [3] T.
Kaptay: Materials Science Forum Vol. 473-474 (2005), p. 297 [4] V.
Mortensen: Materials Science and Engineering A Vol. 404 (2005), p. 9 [6] M.
Radhakrishna: Journal of Materials Science Vol. 40 (2005), p. 5989 [7] M.
Blucher: Journal of Materials Processing Technology Vol. 30 (1992), p. 381