A chemical method for fast detection of the total bacterial count in a specific water system has been investigated.
建立了一种快速测定特定水体中细菌总数的化学方法。
Conclusion: the number of coliform group and total bacterial count exceeded standard, proving the truth that the water was polluted by the organic compound, excrements and trashes.
结论：细菌总数，总大肠菌群超标，说明水质受有机物和人畜粪便、垃圾污染。
Objective To evaluate the effect of chlorhexidine varnish on Streptococcus mutans and total bacterial count in dental plaque of orthodontic children, and the changes of salivary pH.
目的观察和探讨洗必泰涂料对正畸儿童牙面菌斑中细菌总数和变形链球菌数的影响，以及唾液pH值的改变。
Objective To evaluate the effect of chlorhexidine varnish on Streptococcus mutans and total bacterial count in dental plaque of orthodontic children, and the changes of salivary pH.
目的观察和探讨洗必泰涂料对正畸儿童牙面菌斑中细菌总数和变形链球菌数的影响，以及唾液pH值的改变。
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