quality deterioration meaning in English

品质退化
质量恶化

Analysis of the soil quality deterioration of vulnerable karst ecological region in guizhou
贵州喀斯特生态脆弱区土壤质量退化分析
Lipid oxidation is a major cause of quality deterioration in food emulsions
摘要脂质氧化是造成食品乳状液质量下降的一个主要原因。
Our surveyors stated that it was the inferior material used that caused the quality deterioration
我方检验人员认为，劣制的原料是商品变质的原因。
Abstract : this paper analyses the reasons of flow reduction and water quality deterioration of minjiang river and then puts for ward some control countermeasures
文摘:本文分析了岷江水量减少，水质变差的原因，提出了岷江水污染防治对策。
The detailed indices of huanghe river water quality fluctuating with season changing as well as their influence on feed water of power plants are analyzed , and preventive measures adopted during water quality deterioration periods are proposed
对黄河水水质随季节波动的详细指标、对电厂用水影响进行分析研究，为制定水质恶化期间电厂用水的临时处理预案及运行措施提供参考。

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