北河定时涨落、多盐分的河水是这些居民的生命线，这条河被疏浚、被污染、被过度捕捞，还挤满了船。
The briny, tidal water of the Bei River, the residents' lifeblood, has been dredged and is polluted, overfished and crowded with ships.
结论：旅顺口区委托检验水水质总体合格率不高，主要是盐分偏高和微生物污染。
Conclusion: the entrusted-inspection Water Quality in LvShunKou District is not very good. Microbial contamination and the content of chloride are the main problems.
实验发现，加盐分相与共沸精馏联用的方法分离效果较好，且能耗低，无污染，经济实用。
We found that the method of salt-entering-azeotropic distillation can be get a good separation results, with low energy consumption, pollution-free, economical and practical.
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