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Preparation and Characterization on an Environment Friendly Used Rubber Powder Modified Pulp Sediments Composites Weili Wua and Jing Zhangb College of Materials Science and Engineering, Qiqihar University, Qiqihar 161006, China awuweili2001@163.com, b335842052@qq.com Keywords: Pulp sediments, Used rubber powder, Preparation, Characterization Abstract.
The study on used rubber powder modified pulp sediment exploits a new way to recycle used rubber powder and pulp sediment, not only benefit environment purification, but also reduce cost of sheet materials.
Li, Polymer recycling technology, Journal of Panzhihua University. 20(2003) 65-68
He, Investigating on the cushioning and corrosion-inhibiting properties of waste paper fibre materials, J.
Sun, Development of utilization of waste paper in material field, Materials Review. 36 (2008)144-147

In order to study the wear state of CBN abrasive under different parameters, simulation experiments were designed for different cutting speed vs, different cutting depth ap, different workpiece materials, as shown in Table 1.
According to the designed grinding condition, the formation of grinding depth, grinding speed and grinding materials, consisted of 48 orthogonal simulation experiments.
This work was supported by the National Natural Science Foundation of China, No. 50975043.
Jin: Chinese Journal of Semiconductors, Vol.29, No.6, p. 1180-1183 [4] Mehdi Remadna∗, Jean Francois Rigal: Journal of Materials Processing Technology, Vol.178 (2006), p.67-75 [5] P.
Wani, Vinod Yadava and Atul Khatri: Journal of Materials Processing Technology, Vol.190 (2007),p. 282-290 [7] X.

Morreale: Composite Part A: Applied Science and Manufacturing.
International Journal of Composite Materials.
JOM - The Member Journal of TMS.
[8] American Society for Testing and Materials - ASTM D790.
Journal of Applied Polymer Science.

Nandakumar, Recent advances in pulp capping materials: an overview, Journal of clinical and diagnostic research: JCDR. 8 (2014) 316
Lukomska-Szymanska, Bio-Inductive Materials in Direct and Indirect Pulp Capping—A Review Article, Materials(Basel). 13 (2020) 1204
Walls, Applied dental materials, John Wiley & Sons 2013
Hench, Bioactive materials.
Naderi, Comparison of calcium hydroxide and bioactive glass after direct pulp capping in primary teeth, Journal of Dentistry of Tehran University of Medical Sciences 4 (2007) 155-159

Nano-multilayer film is a multi-layer structure with two or more different nanometer materials by ∗ Foundation project: National Natural Science Foundation project grants (50730007) Author: Humin(1982-), Female, Nanchang Jingxi, Doctor.
Sheet resistance of films was measured using SDY-5 type electric double-measuring four-probe device that has been developed by the Guangzhou Institute of Semiconductor Materials.
Applied Surface Science , Vol.253 (2007) , p.7192-7196 [7] T.
Journal of Inorganic Materials., Vol. 23(2008) , p.758-762 [9] H.Z.Yan, Q.
Chinese Science Bulletin, Vol.52(2007) , p.091-1093

Stefan Becker,Manfred Baerns, Oxidative coupling of methane over La2O3-CaO catalysts, Journal of catalysis 1991,128:512-529
Journal of Colloid and Interface Science. 2009,335: 151-167
A Novel combustion process for the synthesis of fine particle a-alumina and related oxide materials, Materials Letters,1988,6,11,12:427-432
Nitrate-citrate combustion synthesis and properties of Ce1-xCaxO2-x solid solutions, Materials Chemistry and Physics,2003,82:509-514
Samson Nesaraj.Effect of fuels on the combustion synthesis of NiAl2O4 spinel particles.Iranian Journal of Materials Science & Engineering, 2010, 7 (2) :36-44.

Although with the anti-attrition coating, after 6 months combustion mixed the sludge, water wall coating layers are worn partly and the base materials are exposed formerly.
Progress in energy and combustion science，1999，25:55-116
Qing LIU, et al.Journal of Combustion Science and Technology,2003,9(1):1-5
Journal of Zhejiang University(Engineering Science). 2007, 41(4): 589-593
Manual of metal wear and wear-resistant materials.

Extracts Hongfang Ji 1, a, Haiyan Zhang 2,b, Lingwen Zhang 1, 3,c, Mingduo Yang 3,d and Yuan Zhang 1, e 1 School of Food Science, Henan Institute of Science and Technology, Xinxiang, P.
China 2 College of Life Science, Henan University, Kaifeng, P.
Materials and methods Materials.
Tang et al.: Food Science, Vol.25 (2004), p.114- 117 [11] Z.G.
Kodama et al.: the Biochemical Journal Vol. 312 (1995), p. 947- 953

Keywords: Nanostructured materials; Mechanical alloying; Sintering; YSZ Abstract.
Fougere, Nanostructured Materials 6, 205 (1995)
Suryanarayana, Progress in Materials Science 46, 1 (2001)
[4] Ya-Li li, Yong Liang, Fen Zheng, Xian-Feng Ma and Suo-Jing Cui, Journal of Materials Research 15, 988 (2000)
Fields, Nanostructured Materials 10, 503 (1998)

The copolyesters might be potentially useful as the biodegradable materials.
Experimental Materials Lipase from P. cepacia with catalytic activity of 25 U/mg was purchased from Fluka, USA.
The solid materials were filtered, washed with methanol, dried at 40 ℃under vacuum.
The copolyesters might be potentially useful as the biodegradable materials.
Asian Journal of Chemistry, 2010, 22(10): 7699-7705