The results indicate that the normal operation of reactor only needs the lower concentration of carbon source and nitrogen source to obtain perfect result.
结果表明，较低浓度的碳源和氮源即可维持反应器的正常运行，达到理想的脱色效果；
The beef extract, a beef derivative, is a source of organic carbon, nitrogen, vitamins, and inorganic salts.
牛肉萃取物是一种牛肉衍生制品，可以作为有机碳、氮、维生素与无机盐类的一个来源。
It is found that HRT, influent ammonia nitrogen and external carbon source have significant effect on biological nitrification and denitrification.
通过试验发现HRT、进水氨氮和外碳源对生物硝化和反硝化有重要影响。
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