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Students can choose courses they are interested in and download online materials while learning; view their selected courses, participate in group discussions and take up online tests that are classified according to their levels.
This system is aiming at compulsory education, adult education, and science education.
The designers combine all kinds of multimedia materials to form an interactive, flexible, and audio-visual course.
Designers develop their own curriculum frame through a hierarchical structure, so learners can get a very good sense of directions in front of a large number of electronic reading materials without confusion.
Pressman: submitted to Journal of Software Engineering (2012) [2] Gao Hang: submitted to Journal of Changzhou Institute of Technology (2011)

The analysis in this study also considers material elasticity, mechanism clearances, and impact phenomena.
The material in this study is modeled as AISI 4340 steel with isotropic elasticity.
Table 1 shows the material parameters.
ACKNOWLEDGMENT THE AUTHORS WOULD LIKE TO THANK THE NATIONAL SCIENCE COUNCIL, TAIWAN, FOR THEIR FINANCIAL SUPPORT UNDER PROJECT NO.
Journal of Chung Cheng Institute of Technology, 34(2) (2006) 223-232 (In Chinese)

The geometric mold is imported and the material is defined as the mixed plastic of ABS and PA6.
Scheme 3 relates the original material with the mixed plastic of ABS and PA6 to improve the material’s flowing property in its melting state.
Acknowledgements The Project Sponsored by National Natural Science Foundation of China (Grant No.51475315), Innovative Project on the Integration of Industry, Education and Research of Jiangsu Province (Grant No.BY2014059-10) are gratefully acknowledged.
Journal of Changzhou Institute of Technology, 2007,20, (5): 23.
Yuanqun: Journal of Northwest Forestry University, 2012,(6):181-184.

In this paper, PPAZF was prepared with waste steel slag as raw materials and PAM as additives.
Research results showed it not only has great theoretical significance and scientific practical value for the research and development of composite-coagulant and its application in water treatment industry, but also is a great boost for the construction of ecological civilization, meanwhile, brings greater social benefits. 2 Experiments 2.1 Preparation of PPAZF coagulant First of all, HCl solution (10-30% (w/w)) and H2SO4 solution (10-20% (w/w)) were added into the conical flask containing galvanized aluminium slag which was smashed into some smaller irregular-bulk materials, and was followed by leaching of 1-5 h in Water Bath Constant Temperature Oscillator at 70-90 oC to get a leaching solution.
PPAZF under low dosage on the removal rate of turbidity is smaller than PAZF and it may be because PPAZF in organic material removal mechanism is not just a simple coagulation process.
Journal of University of Jinan, 2011, 25(1), 79-82
Chemical Engineering Journal, 2012, 203.301-308.

Eurasian Chem Tech Journal Surface-modification of sulfur nanoparticles with surfactants and application in agriculture S.
Synthesis of sulfur nanowires with carbon to form hybrid materials with useful properties for gas sensor and catalytic applications [9].
Experimental Procedures Materials: Crystalline sulfur product LLP "Tengiz Shevroil" (Kazakhstan), cetyltrimethylammonium bromide (CTAB) with a purity of 99% provided by the company Loba Chemie Pvt.
Ober, Materials Flow of Sulfur: US Geological Survey Open File Report 02-298, 2003.
[14] Rajib Ghosh Chaudhuri, Santanu Paria, Journal of Colloid and Interface Science.343 (2010) 439-446

The cable ties material used in this study was polypropylene (PP).
Experimental Setup Material.
PP, which has properties shown in Table 1, was used in this study because it is the most widely used material for the cable ties.
Kadam, Parameter Optimization of Injection Molding of Polypropylene by using Taguchi Methodology, IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE), Vol. 4 (2012), 49-58
Khan, Recent Methods for Optimization of Plastic Injection Molding Process–a Retrospective and Literature Review, International Journal of Engineering Science and Technology, Vol. 2(9) (2010), 4540-4554

The activated carbon is the most common type of adsorbent, but it is considered costly for treating wastewater due to sources nonrenewable, limited extraction and relatively expensive raw materials like coal, which is unacceptable in wastewater treatment applications.
The adsorption of ammonium was applied by adsorption column with biochar prepared from the rice straw as fixed material.
Mahboub, Separation Science and Technology Application of Artificial Intelligent Modeling for Predicting Activated Carbons Properties Used for Methane Storage, Sep.
Hani, Adaptive Neuro-Fuzzy Logic System for Heavy Metal Sorption in Aquatic Environments, Journal of Water Resource and Protection. 4 (2012) 277–284
Patel, Journal of Water Process Engineering Neuro fuzzy approach for arsenic ( III ) and chromium ( VI ) removal from water, J.

Materials and methods Plant materials and inoculation.
The materials sampled at each time point were pooled for cDNA-AFLP analysis.
Journal of the American Society for Horticultural Science 128（2003）, 213–8
European Journal of Plant Pathology (2011), 1-14

Introduction It is well known that grain boundaries (GB) often determine the properties of polycrystalline materials.
In this case stress-to rupture value can be ten times lower in comparison with the same materials in inert atmosphere or vacuum.
Picat, F.Barbier: European Physics Journal AP.
Jones: Journal of Applied Physics.
Lifshits, Theory of Elasticity, 4 th edition, (Moscow, Science, 1984) (in Russian). 14.

As the electrode is the mixture of Ag and AgCl powers, sintering temperature is required to be below the melting point of any material.
Grain boundary of translucent material can be observed obviously by optical microscope, and the sharp of grain is pentagons or hexagons.
So the translucent material on the electrode surface is considered as AgCl, and it was partially melting at 420 ℃.
Journal of Wuhan University of Technology Vol.29(4)(2007),p.64 [4]Yi Zhang.
Journal of Wuhan University of Technology Vol.30(9)(2008),p.32-35.