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The citronella oil microcapsules were successfully prepared by the complex coacervation method using gelatin and arabic gum as the wall materials, and then the microcapsules were applied to modify cotton fabrics using 2D resin as the cross-linking agent.
Materials Gelatin (Shanghai Chemical Reagent Co., Ltd., China); Arabic gum (Guangzhou Southern-based Companies, China); Citronella oil (Guangzhou Lord Shang Trade Co., Ltd., China); 25% glutaraldehyde (Tianjin Damao chemical reagent company, China); 2D resin (Guangdong Saite Chemical Company, China); Penetrant JFC (Guangzhou Chemical City, China); 2.2.
Acknowledgements This work was supported by research grants from the Natural Science Foundation of China (21105030), Guangdong Province Science & Technology Programme (2006B13801004) and South China Agricultural University (2009B010100001, 2009C020604002).
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Yang, et al: Journal of Applied Polymer Science, Vol. 91(2004), p. 2669 [6] V.B.

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As we know, the semiconductor materials need larger electrical conductivity.
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Yet another option to control properties of the porous materials is the modification of the pore shape by means of metal forming [14].
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Introduction Developing ecological environmental protection building materials is one of the science and technology development planning subject.
Evaluation of ratio between splitting tensile strength and compressive strength for concretes up to 120 MPa and its application in strength citerion[J].Aci Materials Journal,2006(1/2):18-24
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Comprehensive material science, physics, chemical, mechanical, electrical, biology science with intelligent material develops rapidly, which improves production and technology[1-4].
As a kind of new intelligent materials field, the electrorheological fluid and MRF because the action of the rheological properties show rapid changes of unique mechanical coupling characteristics under external electric and magnetic fields, has become-a hot spot of science.
It is because of MRF fine controllable and mechanical characteristics, and MRF materials in power transmission system, aerospace servo system, structure active vibration control, robot control system and other modern industry shows the great application prospect.
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Dispersed reinforced concrete is one of the promising structural materials.
Methods In this regard, experimental studies were conducted in the laboratories of the Department of “Building materials science, products and structures”of BSTU named after V.G.
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The 4A-molecular sieve was synthesized by traditional crystallizing silicoaluminate inside hot water which can take a long period of time; consumes amount of energy;expensive raw and so on.Those why will be in enormous demand if production cost can be reduced.materials used.
In addition, the high raw material costs of 4A-molecular sieve production can be reduced by using a new lower cost material which derived from coal fly ash.
Therefore, it can be a good raw material for 4A-molecular sieve production.
Experimental Composition of the coal fly ash raw material is shown in table 1.
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Beijing: Science Press, 2009 [2] Zhao Yixin, Jiang Yaodong, Zhang Yu.
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