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東方螻蛄膜翅表面形態(tài)與潤濕性
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國家自然科學基金資助項目（50675087）、河南省教育廳自然科學計劃項目（2011A410001）,、河南科技大學博士科研啟動基金資助項目（09001435）和河南科技大學青年基金資助項目（2010QN0017）


Surface Morphology and Wettability of the Membranous Wing of the Oriental Mole Cricket（Gryllotalpa orientalis Burmeister）
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    摘要:

    利用掃描電鏡分析了東方螻蛄膜翅的表面形態(tài),。在OCA20型接觸角測量儀上測量了水與東方螻蛄膜翅展開表面各部位的接觸角,，分析了東方螻蛄膜翅表面幾何微結(jié)構(gòu)與潤濕性的關(guān)系,。研究表明，東方螻蛄膜翅展開后各部位的幾何微結(jié)構(gòu)各不相同,，水與東方螻蛄膜翅展開表面各部位的接觸角平均值為94.4°~118.6°,，表現(xiàn)出疏水性能。東方螻蛄膜翅表面幾何微結(jié)構(gòu)與疏水性能的綜合作用是其折疊后表面不沾土壤和水的重要機理,。

    Abstract:

    The surface morphology of the membranous wing of the oriental mole cricket (Gryllotalpa orientalis Burmeister) was examined by scanning electron microscopy (SEM). The contact angles of water on the membranous wing surface of the oriental mole cricket were determined with an interface tension/wetting-angle measuring instrument (model OCA20). The relationship between wettability of the membranous wing surface of the oriental mole cricket with geometrical structure of its membranous wing surface was analyzed. The results showed the difference of each part of the membranous wing surface in the geometrical structure. The average apparent contact angles of water on the membranous wing surface of the oriental mole cricket was from 94.4° to 118.6°, indicating a hydrophobic ability. The comprehensive action of the geometrically structural surface and the hydrophobic function was the dominant mechanism of preventing adhesion of soil and water from their membranous wing surface. This research established the theoretical foundation on exploring all kinds of membranous wings and improving the waterproofness of green thin film.

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高吭,李玉柱,佟金.東方螻蛄膜翅表面形態(tài)與潤濕性[J].農(nóng)業(yè)機械學報,2011,42(7):220-222,190. Gao Hang, Li Yuzhu, Tong Jin. Surface Morphology and Wettability of the Membranous Wing of the Oriental Mole Cricket（Gryllotalpa orientalis Burmeister）[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(7):220-222,190.

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