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Influence of Tourmaline Mineral Material on Structure and Physical and Chemical Properties of Water Jun-ping Meng *, Xiao-li Huo, Jie Liu, Yan-fen Pan (Institute of Power Source and Ecomaterials Science, Heibei University of Technology, tianjin 300130, China) *mengjunping@hebut.edu.cn Key words: Tourmaline, Water molecule, Far-infrared rays, Hydrogen bond, Surface tension Abstract.
Tourmaline, a natural polar mineral material, was applied as the far-infrared radiation source.
Mizuno et al.: Japanese Journal of Applied Physics, 2004, 43(4) p.545-547
Liang, et al.: China Environmental Science. 2002, 22(6) p.515-519(In Chinese)
Zhang et al.: Journal of Polymer Science, 2004(42) p.367-373

Materials Epoxy resin.
Toughening of Epoxy Resins, Journal of Applied Polymer Science, 84(6), 1223–1232 (2002)
[8] Vineeta N., Setua D.K., Mathur G.N., Failure analysis of rubber toughened epoxy Resin, Journal of Applied Polymer Science, 87(5), 861–868 (2003)
Nayef S.Al.M, Thermal Properties of Epoxy (DGEBA)/Phenolic Resin (NOVOLAC) Blends, The Arabian Journal for Science and Engineering, Vol. 35 (2010)
[16] Soo-Jin Park, Fan-Long Jin, Jae-Rock Lee, Thermal and mechanical Properties of Tetrafunctional Epoxy Resin Toughened with Epoxidised Soybean Oil, Materials Science and Engineering A, Vol. 374, 109-114 (2004)

There are three types of agro-products processing enterprises in the cluster: ①production-oriented enterprises, they mainly take agricultural raw materials as processing target; ②consumer-oriented enterprises, they mainly include agro-industry and supporting relevant industry enterprises; ③decomposition-oriented enterprises, they take waste of agro-products processing as raw material [3].
Fujian has built a large number of warehousing, logistics, storage, packaging materials tin, cardboard, plastic foam to support and improve industrial chain and ensure the development of agro-products processing industry [6].
Through the exchange of material and information, agro-products processing enterprises form symbiotic relationship, it augments the use part of material resources and extend the industrial chain.
[5] Ministry of Science and Technology Rural and Social Development Division: Chinese agro-processing development strategy (Science Press, Beijing 2005)
[6] Wang Hanbin: Research on the Development Pattern of Fujian Agricultural Product Processing Industry, Journal of Northeast Agricultural University (Social Science Edition), Vol.8, No.6, p.38-42(2010)

Journal of Zhejiang University Science A 2006. 7 ;( 3): 436-444
Journal of Materials and Engineering Structures 3 (2016) 181–195 [19] Y.
Materials Today: Proceedings 2018; 5: 22–29
Journal of Materials and Engineering Structures 9 (2022) 141–152 [22] Norris, T.D., Saadatmanesh, H, and Ehsani M.R.
Advances in Materials Science and Engineering 2014, Volume 2014, Article ID 967964

Micro EDM is unconventional metal removing technique that is effective in machining hard-to-cut conductive materials.
There are many surface treatment techniques that are able to modify surfaces of metallic materials.
In fact its unique approach to machine conductive materials through melting with electrical sparks is useful for machining hard-to-cut materials such as titanium and its alloys [2].
Sidambe, "Biocompatibility of advanced manufactured titanium implants-A review," Materials, Review vol. 7, no. 12, pp. 8168-8188, 2014
Davis et al., "Enhanced Micro-Electric Discharge Machining-Induced Surface Modification on Biomedical Ti-6Al-4V Alloy," Journal of Manufacturing science and engineering, vol. 144, no. 7, 2022.

The use of such small clearances is possible since the bush and journal material is rigid, easily machined and maintains a very stable shape in water (no water soaking).
Elastic bearings are made of polymer materials of good tribological properties and relatively low degree of water soaking.
The use of polymer materials of relatively low hardness allows operation of these types of bearings with a non-hardened journal which constitutes a significant cost advantage.
The relatively low rigidity of bush materials allows for tolerating a certain degree of shaft misalignment.
The above values are representative of typical properties of bearing materials employed in elastic polymer bushes and rigid bushes of sintered bronze with graphite.

For example, Guizhou, Guangxi, Fujian, Zhejiang and Guangdong provinces had no advantages in the supply of feed raw materials.
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Gaitonde, Mechanical and physical characterization of agricultural waste reinforced polymer composites, Journal of Material and Environmental Science 3:5 (2012) 907-916
Zizumbo, Polystyrene composites prepared with polystyrene grafted fibres of sugarcane bagasse as reinforcing materials, Journal of Mexican Chemical Society 55:1 (2011) 33-41 [10] I.O.
Igwe, The effect of filler contents and particle size on the mechanical and end-use properties of Snail Shell powder filled polypropylene, Materials Sciences and Application 2 (2011) 811-817
Cetinkaya, Banana fiber and pet bottles waste reinforced polymer composites, Usak University Journal of Material Sciences 1 (2012) 29-34 [17] S.

Ilegbusi, Gas Semiconducting Sensors Based on Metal Oxide Nanocomposites, Journal of Materials Science Research. 1 2 (2012)
Major, Effect of heavy doping in SnO2:F films, Journal of Materials Science. 31 11 (1996) 2965–2969
Balraju, Deciphering the functionalization routes for SnO2 anodes, Journal of Materials Science. 20 (2023) 54-63
Maity, Band gap tailoring and photosensitivity study of Al-doped SnO2 nanocrystallites prepared by sol–gel technique, Journal of Materials Science: Materials in Electronics. 33 32 (2022) 24559–24570
Chen, Aging and activation of room temperature hydrogen sensitive Pt–SnO2 composite nanoceramics, Journal of Materials Science. 57 32 (2022) 15267–15275

China 2School of Materials Science and Engineering, Central South University, Changsha, 410083, P.R.
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