These microbes enable the soil to have more nitrogen, which plants need to live and they remain quite active during the winter.
这些微生物可以让土壤中植物生长所需的氮含量增加，在冬天让植物仍保持活跃。
The catalyst active stability can be more fully recovered by regeneration carried out in three steps in succession, namely, benzene extraction, nitrogen blowing and coke burning.
按苯抽提、氮气吹扫、烧焦的顺序，分三个阶段进行催化剂再生，再生催化剂的活性稳定性得到更充分的恢复。
The number of active hydrogen atoms attached to nitrogen atom of different classes of amine determine their effectiveness in extraction of metals by solvation.
根据与氮相连结的活性氢原子的多寡与有无，讨论了伯、仲、叔胺类溶剂化能力的强弱。
Studying on 10x type molecular sieve to remove mercaptan, oxalic acid to remove alkalescence nitrogen and decolour with nature active clay were conducted.
研究了选用10X型分子筛脱除硫醇，草酸脱除碱性氮，同时用天然活性白土脱色。
Nitrogen is inert except when heated to very high temperatures where it combines with some of the more active metals, such as lithium and magnesium, to form nitrides.
一般情况下，氮是不活泼的的。当加热到非常高的温度时它会同更加活泼的金属，如锂和镁反应生成氮化物。
Ammonia -active carbon technology is a good method to purify waste gas containing nitrogen oxides, the experimental method and the result are introduced simply.
氨—活性炭工艺是净化含氧化氮废气的良好方法，本文对实验方法及结果作了简要介绍。
Microbes were degrading hydrocarbons, some appeared to be capable of oxidising methane, and there were genes active in the process of fixing, or converting from a gas, both nitrogen and carbon.
微生物在分解碳氢化合物，有些还能生成沼气，同时有基因在活跃地固定或转换含有氮和碳的气体。
The traditional method to deal with the coke plant wastewater is a means using by the active dreggy mud, which has less effect on the hard-degraded substance and ammoniacal nitrogen.
由于含有大量的难生物降解及有毒物质，因而成为公认难处理工业废水之一。
The traditional method to deal with the coke plant wastewater is a means using by the active dreggy mud, which has less effect on the hard-degraded substance and ammoniacal nitrogen.
由于含有大量的难生物降解及有毒物质，因而成为公认难处理工业废水之一。
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