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1篇 您的检索式：作者名="Valentin Moldovan"

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		题名	作者	年代	出处	被引量
	1	Characterization of Gradual Porous Ceramic Structures Obtained by Powder Sedimentation显示文摘Asymmetric membranes present better separation and service characteristics than the symmetric ones. In our preliminary studies the possibility of obtaining sintered porous materials with gradual structure by sedimentation of metallic and ceramic powders was demonstrated. Zirconium silicate (ZrSiO4) particles were used for the manufacturing of the porous supports, and mullite powder was deposited by sedimentation in order to achieve the active layer with pores size gradient. The used powders and the obtained structures were characterized by laser scattering particle size analyzer, scanning electron microscopy and mercury porosimetry. The permeability and the filtration fineness of the structures were also determined. By using a thin active layer made of small particles deposited onto a macro-porous support, one can achieve membranes with high flow rates and filtration fineness in the microfiltration area.	Ioan Vida-Simiti Nicolaie Jumate Valentin Moldovan Gyorgy Thalmaier Niculina Sechel	2012	Journal of Materials Science & Technology2012，28，4：	0

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