| 一元奇偶函数在对称区间上积分公式的推广 |
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| 引用本文： | 郝新生 张青娥. 一元奇偶函数在对称区间上积分公式的推广[J]. 山西农业大学学报(自然科学版), 1999, 19(4): 340-344 |
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| 作者姓名： | 郝新生 张青娥 |
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| 作者单位： | 山西农业大学基础部!山西太谷，030801 |
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| 摘 要： | 本文将一元奇仍函数在对称区间上的积分公式进行了推广。得到了相应的五个公式，并给出了一些公式的证明，以简化某些积分的计算。
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| 关 键 词： | 奇函数 偶函数 对称轴 对称区域 |
Screening Salt Tolerant Mutant and Salt Dependent Mutants of Moderate Halophile B5 |
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| Wang HaiHong et al.. Screening Salt Tolerant Mutant and Salt Dependent Mutants of Moderate Halophile B5[J]. Journal of Shanxi Agricultural University(Nature Science Edition), 1999, 19(4): 340-344 |
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| Authors: | Wang HaiHong et al. |
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| Affiliation: | Soil Science Department ShanXi Agricultural University |
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| Abstract: | B5 isolated from Xinjian salt lake is a moderate halophilic coccus. It grows well in medium containing 0－30%NaCl. Salt tolerant mutant and salt dependent mutants were screened on selective medium by using solid NTG to mutagenize B5. Some characteristics of these mutants have been studied. |
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| Keywords: | Solid NTG Moderate halophile Salt tolerant mutant Salt dependent mutant Salt dependent mutant |
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