Aiming at the poor effect of amino nitrogen degradation in conventional refinery oil sewage treatment, the secondary biochemical test was carried with biological aeration filter pool.
针对炼油厂含油废水的常规生化处理工艺对氨氮的降解效果较差，采用曝气生物滤池作为二级生化进行试验研究。
The thermal degradation of Poly (phenylene sulfide sulfone) (PPSS) was studied by thermogravimetric analysis in both nitrogen and air to determine the thermal lifetime.
采用热分析的方法对高性能材料聚苯硫醚砜(PPSS)在氮气气氛和空气气氛中的热老化寿命进行了研究。
Zinc ion of different concentrations can inhibit the degradation of organic compounds and transformation of nitrogen.
不同浓度的锌离子对有机物的降解和氮的转化均有抑制。
Nitrogen leaching from a sloping land is one of the important causes of soil degradation and agricultural non-point source pollution.
坡地氮素淋溶是导致坡地土壤质量退化和农业非点源污染的重要原因之一。
Adding nitrogen source can promote its growth and degradation.
加入氮源能促进生长和苯酚降解。
OH radical scavenger has little affection on the degradation effect of the nitrogen of the carbonization effluent.
自由基清除剂正丁醇对焦化废水中氨氮、凯氏氮和有机氮的超声降解效果影响并不显著。
The kinetics of thermal degradation of PPES and PPESK(1/1) in nitrogen were studied at several heating rates by thermogravimetry analysis (TGA).
利用热失重（TGA）分析仪，氮气氛围中，多重加热扫描速率下的不定温法对PPESK（1/1）及PPES进行热分解动力学研究。
The biofilter can effectively complete the organic substance degradation and nitrification, and the constructed wetland system could further remove the nutriments, such as nitrogen and phosphorus.
生物滤塔能有效完成对有机物的降解和硝化作用，人工湿地进一步去除氮、磷等污染物。
Results showed that air promoted the irradiation degradation of F2311 and nitrogen inhibited that of it in a certain extent.
研究表明，空气气氛将促进F2 311的辐射降解，氮气气氛有一定的抑制作用。
The degradation of crusts and nitrogen in crusts is affected by many factors.
藻结皮本身的降解和藻结皮中氮的降解受多种因素影响。
The results indicated that the addition of organic nitrogen source was not only advantageous to the growth of the mixed culture, but also propitious to PVA degradation.
实验表明，补充有机氮源有利于混合体系菌体的生长，并且能提高混合体系对PVA的降解能力。
The degradation rate of COD and ammoniac nitrogen reached 94.1% and 84.5%, respectively.
在最佳处理工艺条件下，COD和氨氮的降解率分别达到94.1%和84.5%。
The character of granule, cultivation of special granule and its application to COD removal, de-nitrogen, toxic chemicals degradation, heavy metal adsorption in wastewater treatment were reviewed.
并详细介绍了颗粒污泥的特点，特种颗粒污泥的培养及其在COD去除、脱氮、降解毒性物质和重金属吸附等方面的应用，并对其应用前景进行了展望。
Based on this, a liquid nitrogen cooled screen device is developed to control the radiation degradation of deuterium lamp.
在此基础上，研制了液氮制冷屏装置来抑制氘灯衰减。
The thermal degradation of LPNR latex and NR latex in the nitrogen was investigated by TGA and thermoconductive TGA.
采用热重分析法和导数热重分析法研究低蛋白NR（LPNR）胶乳和NR胶乳在氮气气氛中的热降解性能。
The leachate after pretreatment were fed to MBR to finish the degradation of the organic carbon and biological nitrogen removal.
预处理后的渗滤液经MBR反应器完成有机物的降解和生物脱氮…
The leachate after pretreatment were fed to MBR to finish the degradation of the organic carbon and biological nitrogen removal.
预处理后的渗滤液经MBR反应器完成有机物的降解和生物脱氮…
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