| 土壤微生物絮凝剂菌株的筛选及其培养条件优化 |
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| 引用本文： | 刘小真,梁越,汪月华,肖远东.土壤微生物絮凝剂菌株的筛选及其培养条件优化[J].江西农业大学学报,2011(4):817-822. |
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| 作者姓名： | 刘小真 梁越 汪月华 肖远东 |
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| 作者单位： | 南昌大学鄱阳湖环境与资源利用教育部重点实验室;南昌航空大学环境与化学工程学院;江西农业大学国土资源与环境学院; |
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| 基金项目： | 江西省科技厅资助项目(2009AE00600,2009BNB06100,200513222); 南昌大学鄱阳湖环境与资源利用教育部重点实验室开发基金资助项目(Z05002) |
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| 摘 要： | 从鄱阳湖地区3种耕作层的土壤中分离出17种菌株,经过初筛及复筛获得1株有较强絮凝活性的菌株( CSB3),经鉴定为革兰式阴性杆菌.采用单因素试验方法和正交试验设计方法,分析了影响絮凝效果的主要因素,对该菌株的最佳培养条件进行了优化研究.结果表明:金属离子Mg2+对产生菌的絮凝活性有较大影响,Mg2+更适合做该产生菌的助...
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| 关 键 词： | 微生物絮凝剂 筛选 培养条件 耕作土壤 |
Screening of Flocculant-producing Strains from Soil Microorganism and Optimization of Their Cultural Conditions |
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| LIU Xiao-zhen,LIANG Yue,WANG Yue-hua,XIAO Yuan-dong.Screening of Flocculant-producing Strains from Soil Microorganism and Optimization of Their Cultural Conditions[J].Acta Agriculturae Universitis Jiangxiensis,2011(4):817-822. |
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| Authors: | LIU Xiao-zhen LIANG Yue WANG Yue-hua XIAO Yuan-dong |
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| Institution: | LIU Xiao-zhen1,2,LIANG Yue2,WANG Yue-hua2,XIAO Yuan-dong3(1.Key Lab of Lake Ecology and Bio-resource Utilization of Poyang Lake,Ministry of Education,Nanchang University,Nanchang 330031,China,2.School of Environmental and Chemical Engineering,Nanchang Hangkong University,Nanchang 330063,3.College of National Land Resources and Environment,Jiangxi Agricultural University,Nanchang 330045,China) |
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| Abstract: | An optimum strain CSB3 with high flocculating activity was chosen by preliminary screening and rescreening from 17 strains of bacteria,which were isolated from 3 kinds of cultivated soil in the area of Poyang Lake.By preliminary identification,CSB3 was discovered as a rod,gram-negative strain.Then the major factors of impacting flocculation effect were analyzed and the best cultural conditions of CSB3 bacterial strain were studied by single factor test and orthogonal design test.The experimental results sho... |
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| Keywords: | m icrobial flocculent screening culture cond ition cultivated soil |
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