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Synthesis and characterization of monodisperse spherical SiO2@Y2O3: Tb3+ particles with core-shell structure Huan Wang*, Yabing Liu and Lingwei Kong Department of Materials Science, Jilin jianzhu University, Changchun 130118, China Corresponding author.
As phosphor materials, the optical proprety of Tb3+ doped Y2O3 depend on their morphology and size.
Xu, Materials Research Bulletin, 47 (2012) 4137-4145
Lin, Journal of Colloid and Interface Science 300 (2006) 176–182
Grabmaier, Luminescent Materials (Springer-Verlag, Berlin, Heidelberg, 1994), Ch. 4-5, 75, 100-101

Fine Spherical Tungsten Powder Prepared by Precipitation Reaction Tao Lin1, a, Yanjun Li1,b, Chengyi Wu1,c and Zhimeng Guo1,d 1School of Materials Science and Technology, University of Science and Technology Beijing, Beijing 100083, China alintao@ustb.edu.cn, bliyanjun778225@163.com, cchengyiwu@126.com, dzhmguo@ mater.ustb.edu.cn Keywords: Tungsten powder, Precipitation, Ammonium tungstate, Particle shape.
It is a candidate material for many defense and high temperature structural applications.
Experimental The raw materials were ammonium tungstate, hydrochloric acid, sulfuric acid and nitric acid, with concentration of 1.20g/ml,1.19g/ml,1.40g/ml and 1.84g/ml, respectively.
Slattery: Journal of Nuclear Materials, Vol. 258-263 (1998), P. 308 [3] X.
Wang: International Journal of Refractory Metals and Hard Materials, Vol. 3(2001), P. 177

Journal of Sound and Vibration, 297 (2006) 946-961
Journal of Mechanical Engineering, 42(2006) 91-94
Smart Materials and Structures, 16 (2007) 506-514
Journal of Sound and Vibration, 272(2004) 909-936
Advance Materials Research, 485(2012)217-220.

Material Selection.
Membrane life cycle is characterized by intensive use of materials, energy, and the potential for environmental pollution due to chemical and polymer intensive process since the water consumption in fabrication are quite significant.
The inputs involved are materials and energy used for life cycle stage involved of membrane system for wastewater treatment.
International Journal of Sustainable Energy. 1(2011), 1-17
Shilton, Optimization of cellulose acetate hollow fiber reverse osmosis membrane production using Taguchi method, Journal of Membrane Science. 205(1–2), 223-237. (2002) [10] A.R.

Research and Application of High Temperature Filtering Materials Used in Coal-fired Boilers.
Fibers and new materials.
Journal of Textile Research 2005; (10): 120-121． ].
Journal of Donghua University, Natural Science 2005; 31(2):13-16.
This is still much smaller than many other organic polymer materials to a certain extent.

Existing research put more focus on product design, production and processing of material purchasing links, and less on others.
Flexible management philosophy, Team culture, Cooperation spirit, Knowledge sharing, MIS，Human resource development, process and system Big customer development strategy Early review by all parties CAD/CAPP/CAM Synchronous purchasing/ Industry chain Target: the ideal target Base layer: Efficiency Promotion Foundation Customer developement Order review Product design Procurement of materials Production and processing Quality testing Logistics and distribution after-sale service Directed customer development strategy Supplier selection strategy IE GT Standardization of module design and knowledge base NC CNC DNC MC Industrial robot Process quality control Materials comprehensive inspection、 Further development/ Perfect design Production efficiency, flexible production Method layer: To enhance the efficiency of the method Way layer:To promote the efficiency of specific links Figure 2: Efficiency promoting model of multi-product and small-batch machinery production
Acknowledgements This work was financially supported by the Shandong 2012 Soft Science Research Project about Fusion of Informationization and Industrialization (2012EI049).
[2] Li Sui-cheng, Dong Zheng-hui: submitted to Journal of Xi’an Institute of Technology (1997) (In Chinese)
[5] SHEN Jie: submitted to Journal of Hebei Normal University of Science & Technology(Social Science)( 2005) (In Chinese) .

The friction stir welding process is the newly developed material joining process used to join the different materials which are very difficult to join in the conventional fusion welding process.
The specially designed non consumable tool which moves along the rolled direction of workpieces to join the materials.
Materials and Methods In this investigation, the artificially aged aluminium alloys AA 8011 having the dimensions of 150 mm x 125 mm x 6 mm.
[7] Chih-Wei Tsai, Lee-Ing Tong, Chung-Ho Wang, Optimization of Multiple Responses Using Data Envelopment Analysis and Response Surface Methodology, Tamkang Journal of Science and Engineering,13 (2010) 197-203
[8] Sanjit Moshat, Saurav Datta, Asish Bandyopadhyay Pradip Kumar Pal, Parametric optimization of CNC end milling using entropy measurement technique combined with grey-Taguchi method, International Journal of Engineering, Science and Technology,2 (2010) 1-12

Calcium sulfate whiskers can be widely applied in many industries with very strong market competency[2-3], such as plastics, rubber, adhesives, friction materials and environmental engineering[4-6].
Experimental Materials Raw material used in experiments is gypsum, chemical composition of which is shown in Table 1.
Sajjadi: Materials Processing Technology, Vol.155(2004), p. 1459-1464 [3] W.C.J.
Fu, Y.S.Cui, G.Y.Li:Journal of Sichuan University of Science&Engineering(Natural Science Edition), Vol.26(2013), p.7-10.
[11] Y.X.Han,Y.B.Wang, Z.T.Yuan: Journal of Northeastern University(Natural Science)，Vol.29(2008), p.1490-1493 .

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
Handayani, "The performance of membranes interlayer-free silica-pectin templated for seawater desalination via pervaporation operated at high temperature of feed solution," in Materials Science Forum, 2020, vol. 981, pp. 349-355: Trans Tech Publ
Elma, "Chemical cleaning to evaluate the performance of silica-pectin membrane on acid mine drainage desalination," in IOP Conference Series: Materials Science and Engineering, 2021, vol. 1195, no. 1, p. 012057: IOP Publishing
Winiasih, "The Role of Pectin in Pb Binding by Carrot Peel Biosorbents: Isoterm Adsorption Study," Iop Conference Series Materials Science and Engineering, 2018

Materials and Method Materials Waste Paper Sludge Ash (WPSA), sand, coarse RCA, water, superplasticiser and two (2) solutions of activators which are sodium silicate (Na2SiO3), and sodium hydroxide (NaOH) solution were used in this study.
However, review of literature indicated that the activation of fly ash or other similar materials can be modeled in two ways.
&Temuujin R. (2009) Influence of calcium compounds on the mechanical properties of fly ash geopolymer pastes, Journal of Hazardous Materials 167, 82–88
Journal of material in civil engineering, 19, 6, 470
[8] Khale D. and Chaudhary R., (2007) Mechanism of geopolymerization and factors influencing its development: a review, Journal Material Science 42, 729–746