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There is no other impurity peak, suggesting high purity of the obtained materials.
Acknowledgement This work was financially supported by the National Science Foundation of China (NSFC, Nos. 51201066 and 51171065), the Natural Science Foundation of Guangdong Province (No.
Gu: Journal of Power Sources.
Julien: Journal of Power Sources.
Passerini: Journal of Power Sources.

Break the high purity alumina to press, and then again process in 3 h under 1650 ℃, get Al203 which is craw materials of sapphire crystal LED.
The high purity alumina is raw materials of the sapphire substrate of LED, high purity alumina has a vast market after purified.
Advanced Materials Research, 2012, 399: 673-676
Chemical Engineering Journal, 2010, 156(1): 64-69
Journal of Crystal Growth, 2010, 312(20): 2999-3008

Some Considerations Concerning the Differential Scanning Calorimetry of Ultra Tough Plastic Materials NEDELCU Dumitru1*, LOHAN Nicoleta Monica2, CARAUSU Constantin1, PRUTEANU Octavian1 1 “Gheorghe Asachi” Technical University of Iasi, Department of Machine Manufacturing Technologies, Blvd.
Mangeron, No. 59A, 700050 Iasi, Romania, Tel-Fax: 0040.232.217290, 2“Gheorghe Asachi” Technical University of Iasi, Faculty of Materials Science and Engineering, *dnedelcu@tcm.tuiasi.ro; monica.lohan@yahoo.com; c_carausu@yahoo.com; pluteanu@yahoo.com Key words: Calorimetry, Injection, Ultra Tough Plastic Materials Abstract: The Differential Scanning Calorimetry (DSC) has been an important analysis in research since the 20th century, being used is various fields such as: physics, chemistry and materials technology.
The research described in this paper focuses on the study of calorimetry of ultra tough plastic materials, such B4300G4 and B4300G6.
Schick, Calorimetry, Polymer Science: A Comprehensive Reference, 2, (2012), 793–823 [4] W.
Keller, Effect of thermal lag on glass transition temperature of polymers measured by DMA, International Journal of Adhesion & Adhesives, 52, (2014), 31–39 [5] D.

Ismailova, The effect of surface’s active sites on the reactivity of mineral additives, Scientific journal "Modern Science and Innovation" (Stavropol - Pyatigorsk). 2 (18) (2017) 168-175
Salamanova, Prospects for the use of thermally activated raw materials of aluminosilicate nature, Volga Scientific Journal. 2 (46) (2018) 65–70
Mayants, The use of ash and slag from hydroelectric power plants in the building materials industry, Obzor, Moscow, 1970
Rangan, On the development of fly ash-based geopolymer concrete, ACJ Materials Journal. 101 (6) (2004) 467-472
Sciences, Kiev, 1991

Materials and Methods Materials.
Li, Removal of ammonium from wastewater using calcium form clinoptilolite, Journal of Hazardous Materials. 141 (2007) No.3, 483-488
Zeng, Utilization of dyeing treatment plant sludge as brick materials, Proceeding Environmental Science and Technology, American Science Press. 1 (Houston, USA,7,2008) 91-96
Shi, Experiment on a new synthetic material and its removal of ammonium nitrogen and phosphorus properties, Journal of Water Resources and Water Engineering (In Chinese). 22 (2011) No.4, 50-53,60
Peng, Performance index and durability of eco-concrete cast on site for rivage-protecting and plant-growing, Journal of Jiangsu University (National Science Edition) (In Chinese), 26 (2005) No.5, 380-383

Materials and methods Raw materials.
Metallurgical and Materials Transactions 40(2009), 891-900
Advanced Materials Research 878(2014), 37-43
Journal of Hazardous Materials 163(2009), 916-921
Construction and Building Materials 23(2009), 2127-2131

Experiment Materials.
Nishihara, Development of Friction Stir Forming, Materials Science Forum, 426-432(2003) 2971-2978
[5] T.Nishihara, K.Yamamura, Local Manufacture of MMC Using FSW, Materials Science Forum 539-543 (2007) 3733-3738
Charit, Friction stir processing: a novel technique for fabrication of surface composite, Materials Science and Engineering A341 (2003)307-310
Fujii, T.Nagaoka, M.Fukusumi, Effect of friction stir processing with SiC particles on microstructure and hardness of AZ31, Materials Science and Engineering, A433 (2006) 50–54

The die and tools materials were plexyglass.
International Journal of Mechanical Science.
International Journal of Mechanical Sciences.
Journal of Materials Processing Technology.
Journal of Rare Earths.

Introduction Milling is an important technological process used in building materials science to reduce particle size and increase particle activity [1–3].
Series: Materials Science and Engineering. 327(2018) 042029 doi: 10,1088 / 1757-899X / 327/4 / 042029 [9] X.
Sheichenko, Mechanical activation as a way of improving the efficiency use of raw materials of different genesis in building materials science, Bulletin of BSTU named after V.G.
Faria, Overview of mining residues incorporation in construction materials and barriers for full-scale application, Journal of Building Engineering. 29 (2020) 101215 [22] E.V.
Solovyova, The raw materials genetic characteristics role in autoclave cellular concrete carbonation process, Materials Science Forum. 974 (2020) 224–230 https://doi.org/10.4028/www.scientific.net/MSF.974.224 [23] S.P.K.

Properties of Samples from Polymer Materials Manufactured by the Additive Method V.T.
According to the technology of manufacturing products from polymeric materials, there are materials obtained by the method of casting, centrifugation, pressing, vibrocompression, as well as materials manufactured using frame technology [5–7].
In recent years, the efforts of researchers have been directed towards the creation of materials on additive technologies.
The physical, mechanical and operational properties of the same materials from different manufacturers may differ.
Journal of Applied Polymer Science 133 (30) DOI: 10.1002/app.43671 (2016)