Objective this research is to screen low temperature-resistant strains and study COD degradation efficiency of the sewage water by the low temperature-resistant strains.
目的：筛选耐低温菌株并研究对模拟生活污水的降解效果，为利用微生物降解法处理低温生活污水奠定基础。
However, some drawbacks exist, such as high temperature agi ng in process of modification, low storage stability and degradation acceleration under ultraviolet.
但也存在某些不足，如改性沥青加工过程中的温度老化、贮存稳定性及在紫外线作用下降解加速材料老化等问题。
And oil degradation in polar area is very slow for perennially low temperature there.
由于这些地区常年处于低温状态，石油烃的自然降解非常缓慢。
Based on the material of iron in some iron and steel companies, the low temperature reduction degradation of iron ore in the condition of injecting blends of coal and waste plastic in BF is studied.
以国内某钢铁公司的炼铁原料为基础，进行了高炉喷吹煤与废塑料条件下的矿石低温还原粉化性能研究。
Based on the material of iron in some iron and steel companies, the low temperature reduction degradation of iron ore in the condition of injecting blends of coal and waste plastic in BF is studied.
以国内某钢铁公司的炼铁原料为基础，进行了高炉喷吹煤与废塑料条件下的矿石低温还原粉化性能研究。
应用推荐