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[3] Guo Chen,Yang Lin,Li Qingyong.

Co3O4 nanoparticles Prepared by Precipitation Mingtian Li1,2,a, Qingshan Fu1,2,b, RuiSong Yang 1,2,c and Hong Wang1,2,d 1 College of Materials and Chemical Engineering, Sichuan University of Science and Engineering, Zigong 643000, China 2 Key Laboratory of Material Corrosion and Protection of Sichuan Province, Zigong 643000, China alimingtian01@aliyun.com, bSendysan@126.com, cyangruisong@gmail.com, djluhong999@163.com Keywords: Co3O4, precipitation, preparation, firing system Abstract.

Yang, W.W.W.Chiu, C.Y.
Yang.Macromol.

Reference [1] Xueliang Wang, Xin Su, Wei Yang.

Yang, et al.

[5] Yang S, Chen C, Yau H.
[23] Tsung-Ying Chiang, Meei-Ling Hung, Jun-Juh Yan,Yi-Sung Yang, Jen-Fuh Chang.

References [1] Su-Jin K, Dong-Yoon L, Min-Yang Y: Computer-Aided Design and Applications, Vol.1 (2004) No.(1-4) p.477-484 [2] Hoppe H, DeRose T, Duchamp T: Piecewise smooth surface construction.

Yang, C.
Yang, G.
Yang, C.
Yang, C.
Tian, Y.

Materials and methods Reagents, materials Nickel sulfate, sodium hypophosphite, ammonium molybdate, sodium citrate, thiourea, ammonia are analyzed for pure, Yang wooden fast.

The Employment Differentials of the Industry between Rural Migrant workers and Urban Local Low skilled Labors1 Xin Yang 1, a, Tiankun Fang2,b,Xiaoting Tan 3,c 1 Shenyang Agricultural University, Shenyang City, China 2 Shenyang Aerospace University, Shenyang City, China 3 Shenyang Agricultural University, Shenyang City, China asyauyx@163.com, bfangtiankun@163.com, ctanxtsyau@163.com Keywords: rural migrant workers; urban local low skilled labors; industry; employment differentials Abstract: Rural migrant workers and urban local low skilled labors are in the urban labor market at the same time.