| 微量热法测定细菌的临界生长温度 |
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| 引用本文： | 谢昌礼,汤厚宽,宋昭华,屈松生,廖耀庭,刘海水.微量热法测定细菌的临界生长温度[J].物理化学学报,1991,7(4):471-474. |
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| 作者姓名： | 谢昌礼 汤厚宽 宋昭华 屈松生 廖耀庭 刘海水 |
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| 作者单位： | Department of Chemistry, Wuhan University, Wuhan 430072; Army Hospital of Guangzhou Military Area, Wuhan |
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| 摘 要： |
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| 关 键 词： | 微量量热学 生长热谱 临界生长温度 |
| 收稿时间： | 1990-03-02 |
| 修稿时间： | 1990-10-04 |
Critical Growth Temperatures of Bacteria by Microcalorimetric Method |
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| Xie Chang-Li,Tang Hou-Kuan,Song Zhao-Hua,Qu Song-Sheng,Liao Yao-Ting,Liu Hai-Shui.Critical Growth Temperatures of Bacteria by Microcalorimetric Method[J].Acta Physico-Chimica Sinica,1991,7(4):471-474. |
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| Authors: | Xie Chang-Li Tang Hou-Kuan Song Zhao-Hua Qu Song-Sheng Liao Yao-Ting Liu Hai-Shui |
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| Institution: | Department of Chemistry, Wuhan University, Wuhan 430072; Army Hospital of Guangzhou Military Area, Wuhan |
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| Abstract: | In this paper, we have determined the multiplication rate constanis (k) of Shigella flexneri and E. coli. at different temperatures and in different culture media by means of a microcalorimeter. From these results a linear equation as k~(1/2)=a+bT can be established for the bacterial growth. The corresponding linear equation for S. flexneri is k~(1/2)=-1.2823+0.0047122 T(r=0.971), so its eritica lgrowth temperature T_0 is equal to 272.1 K. The linear equation for E coli is k~(1/2)=-1.6390+0.005948 T (r=0.994), T_0=275.5 K. The experimental results indicate that the critial growth temperature of E. coli. is nearly a constant (T_0=273.9 K) in different culture media, which is very informative for the study on microorganism growth. |
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| Keywords: | Microcalorimetry Growth thermogram Critial growth temperature |
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