| 1. | The nitrifying bacteria are chemosynthetic autotrophs . 硝化细菌是化能合成的自养生物。 |
| 2. | The autotrophic nitrifying bacteria play a critical role in nitrogen cycle in nature 硝化细菌是一大类在自然界氮循环中起关键作用微生物菌群。 |
| 3. | In the surface layer , the dominant microbes are usually denitrifying bacteria , followed by anaerobic nitrogen fixing , ammonifying and nitrifying bacteria 土壤氮素代谢微生物高寒草甸土壤氮素代谢微生物的数量及活性在 |
| 4. | A rapid enumeration method for nitrifying bacteria was developed using the 2 - ( p - indophenyl ) - 3 - ( p - nitrophenyl ) - 5 - phenyltetrazolium chloride ( int ) ? dehydrogenase assay 荧光原位杂交( fish )可快速检测硝化细菌的数量和分布情况。 |
| 5. | The detection and application of nitrifying bacteria is limited by their peculiar ecophysiology such as strict autotrophic bacteria and slow growth 由于它们严格自养、生长缓慢的生态生理属性,使硝化细菌的检测和应用等受到限制。 |
| 6. | Ammonia - oxidizing bacteria which oxidize ammonia to nitrite is a key group of nitrifying bacteria . the population of ammonia - oxidizing bacteria is variable with the different environment 将氨氧化为亚硝酸盐的氨氧化细菌是硝化菌群的重要组成部分,它的种类随生境差异而有所不同。 |
| 7. | Nitrification , performed oxidation of ammonia to nitrate by nitrifying bacteria is a key process in the cycling of nitrogen and an impotent component of modern wastewater treatment 由硝化细菌催化氨氮氧化的硝化作用是氮循环的关键步骤,也是现代污水处理厂生物处理氨氮废水的重要环节。 |
| 8. | The basic experiment showed the enriched nitrifying bacteria can quicken the nitrifying biofilm formation , strengthen it to adapt the high salted water and reduce nh3 - n from 5 mg / l to 0 . 7mg / l under a short hrt condition ( 1 . 2 hour ) 在进水原水溶解氧在smg / l以上,而氨氮浓度在lmg / l以下时,可以采用不曝气充氧方式运行,出水氨氮等指标可以达到o . smg / l以下,但出水溶解氧偏低。 |
| 9. | The mixture of amazerm and rice bran or yeast will ferment and decompose into a large quantity of organic bacteria , photosynthetic bacteria and nitrifying bacteria that will improve the environment and water that had previously been damaged 良益菌与米糠或酵母粉铺洒池底可于池中发酵分解,产生大量有机活菌,继之光合菌硝化细菌因应产生,利用这些环境净化微生物群改善所破坏之环境水质。 |
| 10. | The results proved the feasibility of this enrichment technique . the enriched nitrifying bacteria can directly store in a lucifugal condition for a long time , the nitrifiers decay at a rate of 0 . 0138d - 1 . but the decay rate of the nitrifiers stored in phosphate buffer ( ph 7 . 2 ) is 0 . 023d - 1 硝化细菌富集培养后直接避光保存是一种较佳的保存方式,经3个月的保存其硝化细菌存活率为26 . 7 ,其比衰减率为0 . 0138d ~ ( - 1 )硝化细菌。 |