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研究了淀粉基多孔高吸水树脂的合成及其吸液性质,比较了不同致孔剂如丙酮、碳酸氢钠、蔗糖对树脂吸液速率的影响。结果表明,添加致孔剂能有效提高树脂的吸液速率,碳酸氢钠具有较好的致孔效果。扫描电镜分析证明,合成的高吸水树脂具有疏松的多孔结构,它是提高高吸水树脂吸液速率的主要原因。
Wheat flour products manufactured with a single and twin screw extruder at different extrusion -cooking variables were studied. The effects of extrusion -cooking conditions were related to the followi...
Development of gas-filled root porosity in response to various levels of oxygen supply was tested for Pisum sativum cv. Iłowiecki, Zea mays cv. Alma F1, Triticum aestivum cv. Rosa and CZR 1406. ...
The results of the studies concerning the total and the differential porosity in Luvisols profiles created from sandy-silt and loess were presented. It has been stated that the total porosity of the s...
The idea of spherical particle packing was used to determine some physical properties of the soil: porosity, pore size distribution and moisture retention curve. The packing procedures take into accou...
The present work is a review on hydrolysis of native starch using a- and glucoamylases and its influence on starch granules porosity. Changes of specific surface area of starch granules were particula...

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