| 利用微生物净化玉米淀粉工业废弃物的研究 |
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| 引用本文： | 李素玉,李春华.利用微生物净化玉米淀粉工业废弃物的研究[J].辽宁大学学报(自然科学版),1997,24(3):53-58. |
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| 作者姓名： | 李素玉 李春华 |
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| 作者单位： | 辽宁大学生物系 |
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| 摘 要： | 玉米淀粉工业的主产品为淀粉，副产品有玉米蛋白粉，玉米油，黄浆，菲汀等，但是淀粉生产的同时有大量的废弃物排放，严重地污染了环境，尤其是污染地面水环境。现行污水处理方法因经济性差等原因，在淀粉工业中应用甚少。
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| 关 键 词： | 玉米淀粉工业 废弃物 微生物 SCP 净化 |
Mixed Estimation with Rotating Sampling of the Part Sample on Stratified Sampling |
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| Ma Shucai Yang Xudong College of Economic Administration,Liaoning University,Shenyang.Mixed Estimation with Rotating Sampling of the Part Sample on Stratified Sampling[J].Journal of Liaoning University(Natural Sciences Edition),1997,24(3):53-58. |
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| Authors: | Ma Shucai Yang Xudong College of Economic Administration Liaoning University Shenyang |
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| Institution: | Ma Shucai Yang Xudong College of Economic Administration,Liaoning University,Shenyang 110036 |
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| Abstract: | In this paper, we disscussed the population mean estimation and its estimate precision on the rotating sampling of the part of samples on stratified sampling, and showed the method of an optimal mixed estimate and its dependence on new rotating sample numbers n i-m i and on the related coefficient of earlier and later stage population. And the practical application of this method is pointed out also. |
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| Keywords: | Rotating sampling Stratified sampling Mixed estimation |
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