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3.4. Porosity of PLGA/PHBV scaffold
Some parameters related to the scaffolds such as porosity,average volume, pore volume per gram and density were exhibited in Fig. 4. The porosities of three kinds of scaffold were slightly below the pre-set value. The porosity of pure PLGA scaffolds reached to 81.830±1.723%, which was close to that of PLGA/30% PHBV scaffolds (81.273±2.192%). When the PHBV microspheres content came to 50%, the porosity of the scaffolds still showed no statistical significant when compared with that of pure PLGA scaffolds. The result demonstrated that the PHBV microspheres had little influence on the porosity of PLGA scaffold. With the increase of PHBV microspheres, the density of scaffolds increased accordingly (from 0.17290±0.00461 of pure PLGA to 0.25160±0.03828 of PLGA/50% PHBV). At the same time, the pore volume per gram decreased with the increase of PHBV microspheres. The above two graphs coincided well with each other. Because of the augment of density, the volume of every gram of the scaffolds should have reduced.

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1樓 2014-12-09 22:18:55

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木蟲之王 (文學(xué)泰斗)

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這個(gè)你不用給金幣了，因?yàn)槊菜瓢l(fā)現(xiàn)還有人求助這個(gè)翻譯，我已經(jīng)幫忙翻譯了。現(xiàn)在貼在下面，供你參考。

3.4. PLGA/PHBV 支架材料的孔隙率
圖4展示了與支架材料相關(guān)的一些參數(shù)，如孔隙率、平均體積、克孔體積以及密度等。三種支架材料的孔隙率均略低于預(yù)設(shè)值。純PLGA支架材料的孔隙率達(dá)到81.830±1.723%，非常接近PLGA/30% PHBV支架材料的孔隙率（81.273±2.192%）。當(dāng)PHBV微球含量達(dá)到50%時(shí)，支架材料的孔隙率與純PLGA支架材料的孔隙率相比仍然沒有顯著的統(tǒng)計(jì)學(xué)差異（這里，原文掉了一個(gè)詞difference，考慮上下文酌情翻譯出）。這一結(jié)果表明PHBV微球?qū)LGA支架材料孔隙率的影響甚微。隨著PHBV微球含量的增加，支架材料的密度相應(yīng)增大（從純PLGA支架材料的0.17290±0.00461增大到PLGA/50% PHBV支架材料的0.25160±0.03828）。同時(shí)，克孔體積隨著PHBV微球含量的增加而降低。以上兩圖相互吻合得十分好。由于密度的增大，支架材料的克體積應(yīng)該有所降低。

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2樓2014-12-14 19:37:38

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