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Silicate-based luminescent materials have good chemical and thermal stability, simple synthesis process, low-cost raw materials and easy availability.
The samples are prepared by high temperature solid phase reaction method,, design formula according to chemical formula M0.955Al2–xGaxSi2O8 (M=Ca, Sr, Ba; x = 0~1.0), accurately weigh each raw material CaCO3(AR), SrCO3(AR) , BaCO3(AR), Ga2O3(99.99%), Al(OH)3(AR), H2SiO3(AR), Eu2O3(99.99%), add appropriate amount of flux H3BO3(GR), grind and mix thoroughly in an agate mortar Evenly, put it into a corundum crucible, and pre-fire for 2.5h in a muffle furnace at 1000°C in a weak reducing atmosphere.
Acknowledgements This work was supported by grants from Science and Technology Innovation Project of Nanjing Military Region (15MS050), the Key projects of the Department of Education of Anhui Province (KJ2016A893, KJ2019A0888), the quality engineering project of Anhui Education Department (2018mooc112), the Support Project for Outstanding Young talents in Colleges and Universities of Anhui Province(gxyq2018126, gxyq2021237), the scientific research project of Anhui Sanlian University (KJZD2021009, KJZD2018004, 2015Z001, 2013Z001).
Journal of Luminescence, 20181981 [5] Wen MY, Liu J Q, Xia C, Liu Z, Yu C Y and Li H L.2017 Journal of Materials Science: Materials in Electronics 288405 [6] Wang F, Tian Y G and Zhang Q.2019 Chin.
Chem. 3525 [8] Fiedler T, Dirksmeyer S, Seibald M, Hummel F, Peschke S, Gina M A and Daniel B. 2020 Chemistry - A European Journal 26 795 [9] Fang H, Qiu G J, Li J, Wang X S. 2018 Journal of Alloys and Compounds,763 267 [10] Wang F, Tian Y G, Zhang Q and Zhao W G. 2010 Chin.

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The starting materials were a mixture of Alumina micro-powder and 3YSZ nano-powders.
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Therefore, it is vital to use a material with superior 3 thermal insulation performance relative to other materials of the same thickness.
Recently, with the active development of insulation materials for buildings, studies of vacuum insulation materials with five to eight times greater insulation performance with no increase in thickness have been undertaken [6, 7, 8].
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Materials and methods For the experimental measuring a set of raw materials of 100% cotton was used.
All four green clusters contain materials of satin and twill weaves ¼.
This material differs from the group of materials of plain weave.
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They input great personnel and material to carry out the research of new machining method in this area continuously, which leads to the steep competition situation.
Acknowledgment This work was sponsored by the National Natural Science Funds project (No. 50475170) and Education Department of Liaoning project (No. 20060597).
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Experimental Details Materials.
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So world each country all extremely pay more attention to research of protective material for chemical and biological[[] Qingguang Chen,Xueying Xiao and Guohua Chen.CHINA SAFETY SCIENCE JOURNAL.
Because the warfare agents such as mustard gas are oily and will easily permeate to the materials, and made the materials defenseless.
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However composite materials relatively rarely used in additive technologies.
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MATERIALS AND METHOD Materials.
Handayani, "The Performance of Membranes Interlayer-Free Silica-Pectin Templated for Seawater Desalination via Pervaporation Operated at High Temperature of Feed Solution," Materials Science Forum, vol. 981, pp. 349-355, 03/01 2020
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