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The Phase Structure and Electrochemical Properties of La4MgNi19-xCox(x=0～2) Hydrogen Storage Alloys Huanhuan Lu a, Fansong Wei b and Fanna Wei c Department of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, 212003, China aluhuanhuannjit@163.com, bzju.wei@yahoo.com.cn, cfanna0815@126.com Keywords: hydrogen storage alloy, A5B19 type, crystal structure, electrochemical property, La-Mg-Ni system.
Introduction In recent years , as the negative electrode materials of nickel/metal hydride(Ni/MH) secondary batteries, hydrogen storage alloys have attracted extensive attention and undergo considerable development[1-3].
Journal of Alloys and Compounds, 2004, 376(1/2): 186−195
Functional Materials, 2006, 37(2): 265−268.
[18] Zhou Zeng-lin, Song Yue-qing, Cui Shun, Lin Chen-guang, GUO Zhi-meng, QUXuan-hui.Rare Metal Materials and Engineering, 2008,37 (6)：964-969.

Materials for seedling production are multifarious, and have strict storage conditions.
Fig. 4 BOM model of the grafted seedling production process The key to a successful ERP system begins with the bill of materials (BOM).
The production schedule quantifies significant seedling production phases, materials, equipments and greenhouse arrangements in order to identify production bottlenecks and to anticipate needs.
Agricultural materials such as seeds, fertilizer, and pesticide generally are deteriorating items, so inventory management is important to the cost control for a seedling enterprise.
Huang: ER Model and Implementation of Management Information System for the Safety Production of Green Leafy Vegetables Based on HACCP: Journal of Shanghai Jiaotong University (Agricultural Science) Vol. 28 (2010) p.470-473 [8] D.R.

Introduction As an important inorganic chemical raw material, TiO2 is widely used in paints, plastics, paper, ink, rubber and cosmetics industries since it can show high activity while being chemically and biologically inert as well as inexpensive.
Materials and methods Materials The powder used in this study was purchased from Beijing Nachen S&T Ltd (China) with particle size less than 20 nm and surface area 30 m2/g.
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ACI Materials Journal, Vol. 100, No. 4, July-August, 2003, pp. 280-285
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Effective Controlled Method Adding Carbon into Molten Steel to Produce 55Q Steel Tiejun Zhang1,2, a 1 Research Center for Materials Interdisciplinary Science, Chongqing University of Art and Science, Chongqing 402160, China 2 Key Laboratory of Micro/Nano Materials Engineering and Technology, Chongqing 402160, China aztj1965@tsinghua.org.cn Keywords: Cored wire, carbon adding, 55Q steel.
Second, the mission successes rate of getting carbon under control in one time is very low, thus the operation time is long, and the ineffective consumption of the devices, energy and materials is high.
There are many sophisticated physical and chemical reactions occured between the carbon and elements of materials of the furnace charge, slag and lining.
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[2] WANG Jingsong, XU Jianguo, SUN Wei et al, Experimental study on inclusion modification in the steel by Mg cored wire feeding process, Journal of University of Science and Technology Beijing. 29(Suppl.1)(2007)22-25 (in Chinese)

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Here, the specially adapted joining elements limit the convertibility of the process to different materials, including thin sheet materials [11] [12].
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Joining of dissimilar materials.
Journal of Manufacturing Science and Engineering, https://doi.org/10.1115/1.4025421 [9] Yunwu Ma, Sizhe Niu, Huihong Liu, Yongbing Li, Ninshu Ma, Microstructural evolution in friction self-piercing riveted aluminum alloy AA7075 T6 joints, Journal of Materials Science & Technology, Volume 82, 2021, Pages 80-95, https://doi.org/10.1016/j.jmst.2020.12.023
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Experimental Materials.
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Green micro algae are use as a potential material to produce of biofuel [11].
Materials All reagents have a degree of pro analysis: HCl, H2SO4, H3PO4 CaO, ethanol (99%), anhydrous CaCl2, distilled water, and used cooking oil.
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