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l Material requirements planning process, According the BOM and existing materials, calculates the number and type of input materials, output.
And also calculates the lead-times and lot sizing of materials purchasing.
Although the responsibility for inventory costs is usually assigned to a materials management group; the materials management group wants short production runs to keep inventory levels down.
*Supported by the Teaching Research Project of Anhui University of Science and Technology (2008).
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Methodology Materials.
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Introduction During the production process of rice grains there appear large volumes of wastes in the form of straw, fruit shells and husk bran, which chemical composition allows us to consider them as a renewable raw material for the preparation of various functional materials [1].
Development of an integrated scheme of sequential extraction of valuable components from plant materials require complete information about chemicals depending on the cultivar and the type of waste.
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Maiorov: Inorganic Materials Vol. 50 N 1 (2014), p. 82-89
Galimova: Chemistry of Plant Raw Materials Vol. 2 (2007) p. 21-25

Matuszak, Rapid Tooling – The State of Art, Journal of Materials Processing Technology 106 (2000) 191-198
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Valiulis, Analysis of wire arc spraying process variables on coatings properties, Journal of Materials Processing Technology 175 (2006) 206-211

Acknowledge Supported by National Natural Science Foundation of China 51205266, Jiangsu Province Natural Science Foundation BK2010267, Colleges and universities in Jiangsu Province Natural Science Research Project 11KJB460008, Jiangsu Planned Projects for Postdoctoral Research Funds 1101121C.
[2] Li M.X., He Y.Z., Sun G.W., Microstructure of ODS superalloy coating produced by laser surface cladding, Rare metal materials and engineering, 34(2) ,2005, 248-251
[3] A Roy Choudhury, Tamer Ezz, Lin Li, Synthesis of hard nano-structured metal matrix composite boridecoatings using combined laser and sol–gel technology, Materials Science and Engineering A, 445–446( 2007)193–202
[6] National Institute for Spraying Materials Research Collaborative Group in Beijing General Research Institute of Mining and Metallurgy.
Spraying powder series: Metal Materials in Research Institute of Mining and Metallurgy, Beijing, 2007

Acknowledgments This work was supported by the National Natural Science Foundation of China Grant No. 51305005, 51775002 and 51375017, Beijing Natural Science Foundation under Grant No. 3172009 and L160001.
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Journal of Materials Chemistry. 22, 17071-17078(2012)

Acknowledgment This work was supported by the National Natural Science Foundation of China with the grant No. 50905007, the Open Research Fund Program of the National Key Laboratory of Diesel Engine Turbocharging Technology with the grant No. 9140C330613100C33 and the Special Financial Support from China Postdoctoral Science Foundation with the grant No. 200902042.
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The study results will have a positive impact on making use of waste slag reasonably. 1 Raw materials and experimental methods 1.1 Raw materials These raw materials were used to produce slag cement in this experiment, including clinker, slag powder, gypsum.
The chemical composition of raw materials see table.1.
Microstructure and properties of hydration products of slag-fly ash mixer cementitious materials[J].
[5] LIU Tao, TAN Kefeng.Properties of Chem ically Activated H igh Range Slag Cement[J].Journal of Southwest University of Science and Technoly.2006,21(3):19-22
New Building Materials.2006,4:1-4