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• Materials and nanotechnology in chemistry. 572 participants from 32 regions of the Russian Federation and 14 participants from 5 countries of the near and far abroad (Uzbekistan, Armenia, Vietnam, Taiwan, Belarus) were registered for the conference in 2020.
of Civil Engineering Friel Akhmetov Kazan Federal University Mukhtar Bekkiev Mountain Geophysical Institute Iskander Gilmanshin Kazan Federal University Georgy Nikitin Kazan Giproniiaviaprom JSC Oleg Radaykin Kazan State University of Architecture and Engineering Stanislav Roshchupkin Sevastopol State University Emer Sibgatullin Kazan Federal University Victor Taratuta Kuban State Agrarian University Svetlana Yazyeva Don State Technical University International Program Committee Gagik Galstyan National University of Architecture and Construction of Armenia (Yerevan) Shan Yue Shandong Jiaotong University Narine Pirumyan National University of Architecture and Construction of Armenia (Yerevan) Lyu Chunguan Shandong Jiaotong University Amansahatov Chariyar Deputy Director of the Academy of Sciences of Turkmenistan Erkin Nafasov Chief expert of Gosstroy of Turkmenistan Abbas Hodzhaev Tashkent architecture and civil engineering institute (TACII) Ján Bujňák Head of Department of Structures

Zhou [12] reported a method that azide and terminal alkyne-functionalized gold nanoparticles using click chemistry to detect Cu2+ ions in aqueous solution.
TEM image of silica nanoparticles The structures of functionalized SNPs were confirmed by FT-IR analysis as shown in Fig. 2.

Genetic algorithm-kernel partial least squares (GA-KPLS) as a novel nonlinear feature selection method also has been used in nonlinear quantitative structure-activity relationship (QSAR) model [7].
Kyani: European Journal of Medicinal Chemistry, vol. 42 (2007), p. 649

These electrons form a Kikuchi like pattern which can be used to identify both the crystal structure (phase) and the crystal orientation of each sampled volume.
Wei, H.Y.Bor, C.Y.Mb: Materials Chemistry and Physics Vol.80 (2003), p.89-93 [5] Chun-Hong Chen, Kanji Takita, Satoshi Ishiguro: Journal of the European Ceramic society (2005), p. 3257-3264 [6] Y.YANY, Q.LIU, Y.JIAO,: ISIJ Int.

Introduction Molecular imprinting technology is one of the most attractive methods to build the structure capable of recognizing and binding desired molecular targets [1,2].
Haupt, Molecularly imprinted polymers in analytical chemistry, Analyst 126,(2001) 747-756 [5] Shea, K.

High Strength and High Ductility in Electrodeposited Nanocrystalline Ni-W Alloy Kazutaka Fujita1, a, Taiji Suidu2 and Tohru Yamasaki3,b 1 Dept. of Mechanical Engineering, Ube National College of Technology, Ube, 755-8555, Japan 2 Advanced Course of Production Systems Engineering (Student), Ube National College of Technology, Ube, 755-8555, Japan 3 Dept. of Materials Science & Chemistry, University of Hyogo, Himegi, 671-2280, Japan a fujita@ube-k.ac.jp, byamasaki@eng.u-hyogo.ac.jp Keywords: Nanocrystalline Ni-W alloy, electrodeposit, lithographic technique, tensile strength, Young's modulus, plastic strain, work hardening.
The average grain size was about 6 nm in diameter and the crystal structure is equivalent to the Ni4W type intermetallic compound [6,7].

However，the asphalt paint shows lots of cracks throughout the structure, which demonstrates that the plate has been corroded.
[11] Hongjun Zhao, Jincheng Tian: China Science and Technology Information, Vol. 10(2005), p. 12（In Chinese） [12] Hui Zhang, Yulin Sun: Chemistry and Adhesion, Vol. 29(2007), p. 122-125（In Chinese） [13] Shengyuan Yao: Chemical Equipment and Anticorrosion, Vol. 4(2005), p. 44-47（In Chinese） [14] Fengwan Wang, Gang Lu and Yongzhang Zhou: Materials Protection, Vol. 38(2005), p. 62-64（In Chinese）

Study on the flocculation treatment of simulative dyeing wastewater by the dicyandiamide formaldehyde polymer Lan Shanhong1,a, Ma Ping2,b, Lan Huixia2,3,c, Zhang Heng4,d, Wu Xiuwen1,e, Wang Yongdong1,f 1College of Chemistry and Environmental Engineering, Dongguan University of Technology, Dongguan, China 2College of Environment and Safe Engineering, Qingdao University of Science & Technology, Qingdao, China 3 Jiangsu Provincial Key Laboratory of Pulp and Paper Science and Technology, Nanjing Forestry University, Nanjing, China 4 College of Chemical Engineering, Qingdao University of Science & Technology, Qingdao, China alllssshhhh@126.com, btzmp2008@vip.qq.com, clanhuixia@163.com, dhgzhang@sina.com, ewuxw@dgut.edu.cn, fwangyd@dgut.edu.cn Keywords: simulative dyeing wastewater; dicyandiamide formaldehyde polymer; flocculant; CODCr; Chroma Abstract.
The development of modern industrial dye and dyeing processing technology advances, the dye structure and stability is improved, made decolorization processing more difficult, so the printing and dyeing wastewater decolorization problem has become a difficult problem to be urgently solved in wastewater treatment [4].

By this work, the adsorptive and hydrolytic properties of this cellulase on cotton substrate would be investigated and at the same time the structure modification of cotton from the enzymatic action revealed. 2.
The acid cellulase (Hy-ac, 6,000U/ml unit) was kindly offered by Haiyi Fine Chemistry Company，China.

Nakata1 1 Department of Astronomy and Earth Sciences, Tokyo Gakugei University, Koganei, Tokyo 184-8501, Japan 2 Department of Environmental Sciences, Tokyo Gakugei University, Koganei, Tokyo 184-8501, Japan 3 Department of Applied Chemistry, Keio University, Hiyoshi, Yokohama 223-8522, Japan Keywords: natural mineral, positron lifetime, pore-size distribution Abstract.
On the other hand, volcanic glasses are known to be formed by quenching the lava, producing porous structures macroscopically.