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Furthermore we use ontologies and pedagogical units with multi-media materials for domain knowledge representation to improve the sharing and reusing of materials.
A pedagogical unit consists of multimedia materials used to teach a knowledge concept.
These multimedia materials can be text materials, image materials, example materials, exercise materials, video materials, audio materials, and so on.
The multimedia materials organized by some teaching strategies forms a pedagogical unit.
In Journal of Computing and Information Technology, 5: 87-102,1997

Tang: Chinese Agricultural Science Bulletin Vol. 27 (2011), p. 281 [2] X.Y.
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Shen: Modern Agricultural Sciences and Technology Vol. 28 (2009), p. 41 [5] J.
Cali-fornia:Department of Environmental Sciences University of Cali-fornia Riverside R(2008),P10 [6] Z.Y.
Huo: Chinese Agricultural Science Bulletin Vol. 26 (2010), p. 410

Effect of Second Complexing Agent of N2H4 on the Optical and Structural Properties of ZnS Thin Films Huan Ke2, Shuwang Duo1,2,a, Tingzhi Liu2,b, Hao Zhang2, Xiaoyan Fei2 1 High Level Engineering Research Center of Biopharmaceutical Molecules and Diagnostic Apparatuses, Jiangxi Provincial Colleges and Universities, Jiangxi Science and Technology Normal University, Nanchang 330013, China 2 Jiangxi Key laboratory of Surface Engineering, Jiangxi Science and Technology Normal University, Nanchang 330013, China aswduo@126.com, b tingzhi2004@aliyun.com Keywords: ZnS films; complexing agent; optical properties; structure; CBD.
Acknowledgement The authors would like to appreciate the financial supports of National Natural Science Foundation of China (No.50963003), Natural Science Foundation of Jiangxi Province (No.2010GZC0044), Foundation of Jiangxi Educational Commission (No.
GJJ09566), Project of Jiangxi Youth Scientist (No. 20122BCB23031), and Foundation of Jiangxi Science and Technology Normal University (Ky2012zz04).
Solar Energy Materials & Solar Cells. 2001, 67, 255
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However, waters have not been well protected from the harmful materials released by human activities, especially the heavy metals, because some of them may show toxic effect and move into human via food chain.
References [1] K.C.Yu, C.Y.Chang and L.J.Tsai, Water Science and Technology. 42 (2000) 193-199
[7]D.S.Manta, M.Angelone and A.Bellanca, The Science of Total Environment. 300(2002) 229-243
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[11] CEPA (Chinese Environmental Protection Administration, Elemental ackground values of soils in China, Environmental Science Press of China, Beijing, 1990.

Analysis of Storage Capacity of Artificial Lake in Wu Lian City Gao Zongjun1,a,Tian Yu2,b, Cui Haohao3,c,Zhu Xi4,d,Ma Yangmin5,e,Li Jiajia6,f 1,2,3,4,5,6Shandong University of Science and Technology, Shandong Provincial Key Laboratory of Depositional Mineralization & Sedimentary Minerals,Qingdao, Shandong 266510 agaozongjun@126.com, btianyu023@126.com ,ccuihao924@126.com , dzx19860727@163.com , emayangmin@126.com ,fmylijiajia@126.com Key words: Artificial lake; Reservoir bottom leakage; Leakage of by-pass dam Abstract.
(In Chinese) [2] Hongxia Wang.The MAPGIS’s application in the geological map-making[J].Gan Su Science, 2010,(13).( In Chinese) [3] Xiangjun Chai.The application and skill of the MAPGIS[J].Science and technology information, 2009,(04).( In Chinese) [4] Wei Luo,Hongjuan Rao,Qing Wei,Qianqian Jiao.The map-oining-together method based on MAPGIS[J].
Sichuan geological journals, 2009,(03).( In Chinese) [5] Hong Meng, Haixia Zhao.The skill of geological map-making based on MAPGIS [J].Qinghai technology, 2010,(02).( In Chinese) [6] Wenxiang Yu, Huitao Yan, Haiyan Xu.The application of MAPGIS in the geology[J].Jilin geology, 2010,(01).( In Chinese) [7] Jiangtao Hou, Dongqi Tang, Zhongwang Zhang.The application of MapGIS in land use status drawing[J].
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Preparation of Silicon Carbide Reticulated Porous Ceramics by Organic Foam Impregnation Xiangzhao Zhang1, Renjuan Wang2, Guiwu Liu1, a, Haicheng Shao1, Kuo Zhang2, Zhongqi Shi2 and Guanjun Qiao1, 2 1School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China 2State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China agwliu76@mail.ujs.edu.cn Keywords: Silicon carbide (SiC), Reticulated porous ceramics, Organic foam impregnation, Apparent density.
As the application domains for these materials vary widely, the ultimate properties of the posed by the specific use are also diverse.
Firstly deionized water was mixed with other materials (polyacrylamide, sintering aids and silica sol) except for CMC by stirring for about 12 h.
Materials Science Forum, 745 (2013) 646-651
Journal of the European Ceramic Society, 30 (2010) 2671-2676

The microstructure and properties were studied in the paper, which can provide theoretical basis and guidance for new materials and technology of the outside oxygen head tip of gasification furnace.
Experimental Experimental materials.
The wear resistance of Co-based alloy laser cladding nano-Y2O3 composites is obviously better than Co-based surfacing materials, Wearing values are decreased by 25.6 mg of the surfacing layer to 0.5 mg of the laser cladding layer in the wear testing of 40 minutes.
a） b） c） d） Fig.3 SEM back scattered electron image and planar element distribution of laser cladding coating a) Microstructure b) Planar distribution of Cr c) Planar distribution of Co d) Planar distribution of Ni Conclusions (1) Superficial treatment was conducted on the Co-based alloy surfacing laser of Ni-based alloy materials with Nano-Y2O3 rare earth materials and laser cladding technology.
Xu: China Journal of Laser Vol. 31(2004), p. 1143, (In Chinese)

In materials with high values of spontaneous magnetization of Is~500÷1500 Gs, the magnetostatic interaction at с~0,1÷0,3 can have a significant effect on the magnetization of particles with the coercive force of Hc~100÷300 Oe.
Academy of Sciences of the USSR.
Residual magnetization of ultrafine magnetic materials. - Vladivostok, Far Eastern National University Publishing House, 2004, p. 192; [4] Shcherbakov, V.P.
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Ilyushin I.G// Journal of Nanomaterials, vol. 2013, Article ID 687613, 15 pages, 2013. doi:10.1155/2013/687613.

Regarding specific geologic features and materials, mainly apply litholog mark and geophysics mark to analyze[2].
Mature source rock of Lower ZuunBayan Formation in north frog of east sub-sag of South Buir Sag provides abundant material basis for reservoir formation and sandstone of fan delta front provides sound space for oil and gas accumulation.
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Materials and methods Physical model.
Acknowledgements This research was financially supported by National "Twelfth Five-Year" Plan for Science & Technology Support (2013BAD19B06), Shanghai Agricultural science and Technology Achievements Transformation Fund Project (113919N0700) and Shanghai Engineering Research Center of Aquatic Product Processing and Preservation (11DZ2280300).
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