硝酸盐污染 nitrate pollution
硫酸盐污染 Sulfate pollution
地下水硝酸盐污染 Nitrate pollution in groundwater
工业盐污染 industry salt pollution ; industrial salt pollution
碳酸盐污染 carbonate contamination
硝酸盐污染源 Sources of nitrate contamination
可溶性碳酸盐污染 soluble carbonates contamination
盐水污染区 brine-polluted area ; polluted area
石家庄市地下水盐污染研究具有典型示范性。
Shijiazhuang is a representative city for the study of groundwater salt pollution.
与1990年建区前相比，营养盐污染更为严重，海域富营养化程度加剧。
Contrasting with historical datum in 1990, the pollution degree of nutrients became more and more seriously, and the eutrophication was severeous.
传统浸酸铬鞣存在着一些不容忽视的问题，如：铬的吸收率低，浸酸时带来的盐污染，鞣制周期长等。
There exist some unassailable problems in traditional chrome tanning, such as low exhaustion of chrome, salt pollution from pickling, and time-consuming process, etc.
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