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231224s2015 xx |||||o 00| ||eng c |
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7 |
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|a 10.1080/09593330.2014.982720
|2 doi
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5 |
2 |
|a pubmed25n0810.xml
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|a (DE-627)NLM243218966
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|a (NLM)25362892
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Zhong, Huiyun
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Effect of diesel leakage in circulating cooling water system on preponderant bacteria diversity and bactericidal effect of biocides
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| 264 |
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 01.10.2015
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|a Date Revised 26.02.2015
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Petroleum products leakage results in adverse effect on the normal operation of a circulating cooling water system. However, relatively little research has been done to explore the effect of petroleum products leakage on circulating cooling water quality and biofilm preponderant bacteria diversity. Also, normal biocides application modes cannot fulfil the need for biofilm control. In this study, diesel oil was used as the experimental subject representing leaking petroleum products; the effect of diesel addition on biofilm preponderant bacteria diversity and the bactericidal effect of chlorine dioxide and tetradecyl dimethyl benzyl ammonium chloride (1427) was investigated. Bacterial community structures were examined by PCR-denaturing gradient gel electrophoresis and PCR cloning of 16S rDNA genes. Except for 100 mg/L diesel, increasing diesel concentration enhanced the biofilm detachment ratio compared with the control test. The microstructure of biofilm samples with 0, 300 and 900 mg/L diesel addition was observed. The species of preponderant bacteria in the biofilm sample with 300 mg/L diesel addition were more and the bacterial distribution was more uniform than those in the biofilm sample with 900 mg/L diesel addition. With ClO2 and 1427 addition, chemical oxygen demand increased, lipid phosphorus and bacterial count first decreased and then remained stable, and the bactericidal ratio first increased and then remained stable. Diesel addition variation has more obvious effect on ClO2 than 1427
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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4 |
|a bacteria community diversity
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4 |
|a bactericidal effect
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4 |
|a biofilm microstructure
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| 650 |
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4 |
|a circulating cooling water
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| 650 |
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|a diesel leakage
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| 650 |
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|a Disinfectants
|2 NLM
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| 700 |
1 |
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|a Liu, Fang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Jinjin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Chaocheng
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 36(2015), 9-12 vom: 03. Mai, Seite 1147-59
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnas
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| 773 |
1 |
8 |
|g volume:36
|g year:2015
|g number:9-12
|g day:03
|g month:05
|g pages:1147-59
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|u http://dx.doi.org/10.1080/09593330.2014.982720
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