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alibabashiqun铁杆木虫 (知名作家)
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| 摘 要：通过正交实验探讨了有机添加剂种类及添加量对а-A12O3管式微滤膜支撑体成型的影响，并对烧成后的支撑体进行了孔隙率和抗折强度的测试，以及用扫描电镜分析了样品的微观结构。结果表明：当甘油为6wt%，羟丙基甲基纤维素（HPMC）为6wt%和无水乙醇为3wt%以及外加20~25wt%水，支撑体的孔隙率达到50.1%，抗折强度为52.4 MPa，制备的支撑体孔径分布均匀、无缺陷。 |
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The influence of organic additive’s type and content over the formation of α- Al2O3 tubular micro-filter film underprop was investigated by means of Orthogonal experimental design. The underprop was tested on the porosity and folding strength and observed inside micro-structure by using Scan Electron Microscope. The results indicate that the finished underprop has a symmetrical and flawless aperture distribution, with 50.1% porosity , folding strength of 52.4 MPa ,when organic additive ‘s content was set as glycerin at 6wt%, Hydroxypropyl Methyl Cellulose(HPMC) at 6wt%, anhydrous ethanol at 3wt% , and water at 20~25 wt%. [ Last edited by xzfanhui on 2008-12-26 at 16:01 ] |
4楼2008-12-26 15:59:45
ghx2156
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| Pass be handing over an experiment to inquiry into organic additive category and add quantity to take care of on the decline to filter a film to prop up the influence that the body models to the а -A12 O3, and propped up a body to carry on the test that hole rate and anti- fold strength towards burning becoming empress of, and used to scan the tiny view structure that the electricity mirror analyzed sample.Express as a result:When the glycerin is a 6 wts%, Qian C radicle A radicle cellulose(HPMC) is a 6 wts%and have no water ether for the 3 wts%and the in addition 20~25 wts%water, prop up the hole rate of body to attain 50.1%, the anti- folds the strength as 52.4 MPas and make of prop up body bore the path distribute even, have no blemish. |
2楼2008-12-26 10:37:43
27384044
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alibabashiqun(金币+15,VIP+0):符合我的要求，我愿意送给你！！谢谢你的帮助！！
alibabashiqun(金币+15,VIP+0):符合我的要求，我愿意送给你！！谢谢你的帮助！！
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Abstract: The effects of organic additive category and its content on the underprop figuration of the α- Al2O3 tubular micro-filter film were investigated with Orthogonal Technique. The sample’s micro-structure were analyzed by Scan Electron Microscope. The ratio of the hole and anti-fold strength of the burned underprop were tested. The results show that the prepared underprop has a homogeneous aperture distribution, no flaw, with its ratio of the hole up to 50.1 percent, anti-fold strength up to 52.4 MPa, when the quality percent of glycerin is 6, Hydroxypropyl Methyl Cellulose(HPMC) is 6, anhydrous ethanol is 3 and water is 20-25. |
3楼2008-12-26 15:02:58
27384044
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5楼2008-12-26 20:29:47