| 应用余弦模型分析通辽市细菌性痢疾发病季节性 |
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| 引用本文： | 苏玉芝,杨红梅,刘永跃,张乃霞,王颖,董桂平.应用余弦模型分析通辽市细菌性痢疾发病季节性[J].内蒙古民族大学学报(自然科学版),2002,17(6):523-524. |
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| 作者姓名： | 苏玉芝 杨红梅 刘永跃 张乃霞 王颖 董桂平 |
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| 作者单位： | 1. 内蒙古民族大学,附属医院,内蒙古,通辽,028000
2. 内蒙古通辽市防疫站,内蒙古,通辽,028000 |
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| 摘 要： | 余弦曲线是周期现象的简单模型.笔者应用余弦模型对通辽市2001年细菌性痢疾发病季节性分布特征进行曲线拟合,结果最高月份发病率是8月,与拟合的时间8月26日相吻合;最低月份发病率是2月,与拟合时间2月26日相吻合.
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| 关 键 词： | 细菌性痢疾 余弦模型 |
| 文章编号： | 1671-0185(2002)06-0523-02 |
| 修稿时间： | 2002年3月19日 |
Analysis on the Seasonal Development of Bacillary Dysentery in Tongliao City by Applying Cosine Model |
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| SU Yu-zhi ,YANG Hong-mei ,LIU Yong-yue ,ZHANG Nai-xia ,WANG Ying ,DONG Gui-ping.Analysis on the Seasonal Development of Bacillary Dysentery in Tongliao City by Applying Cosine Model[J].Journal of Inner Mongolia University for the Nationalities(Natural Sciences),2002,17(6):523-524. |
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| Authors: | SU Yu-zhi YANG Hong-mei LIU Yong-yue ZHANG Nai-xia WANG Ying DONG Gui-ping |
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| Institution: | SU Yu-zhi 1,YANG Hong-mei 2,LIU Yong-yue 2,ZHANG Nai-xia 2,WANG Ying 2,DONG Gui-ping 2 |
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| Abstract: | Cosine curve is a simple model indicating the periodic phenomenon.In this paper,the curve fitting of the seasonal development of bacillary dysentery in Tongliao,2001 is completed by applying cosine model.The fitting curve shows that the highest and lowest incidents of the disease are August 26 th and February 26 th respectively and they are accordant with the actual seasons-August and February. |
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| Keywords: | Bacillary dysentery Cosine Model |
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