查询词典 nitrobacteria

Nitrobacteria grow in a slow rate, and during their growth, they produce some acidic and toxic metabolites and that will inhibit their growth too.

但由於硝化菌生长缓慢，且在培养过程中其自身代谢产物会降低生存环境之pH值，进而抑制自身生长。

Because of the slow growth rate, that increases the contaminant opportunity by other micro organisms, for these reason it risen the difficulty of culturing and purifying the nitrobacteria, and limit the counting method.

因自营菌生长速度缓慢，造成遭受其他微生物污染的机率上升，所以更增加了硝化菌在培养及分离上的困难，以及计数上的限制，使得现今环境中硝化菌的实际数量及其计数方式仍存有许多争议。

Effects of nitrogen-degrading microbes on biological characteristics of the growth of water hyacinth, the contents of nitrogen and phosphorus in water, and the dynamic change of microorganism in water were analysed by the elimination of nitrite, organic nitrogen and phosphor in water by nitrobacteria and denitrobacteria.

利用硝化细菌与反硝化细菌对水体中亚硝酸盐、有机氮、磷等营养物质的消除作用来分析降氮灵菌剂对水葫芦生长的生物学特性、水体中氮磷含量变化以及水体中微生物消长动态的影响。

This paper is to find out the best condition of the immobilized microbial beads to treat NH+4-N in fishery wastewater ,which is made from entrapping nitrobacteria with chitosan and alginate as entrapment carriers.

用壳聚糖和海藻酸钠作为载体，包埋固定化硝化细菌，制备固定化小球，处理养殖水体中的氨氮，寻找了固定化硝化细菌小球的最佳工艺条件。

According to those limitations, this study would like to use the molecular biology method to enumerate the nitrobacteria in the sample fast and precisely. We use fluorescent in situ hybridization method.

基於上述原因，本研究希望以分子生物学的方法快速且精确的计数样本中硝化菌的数量，所采用的方式为原位萤光杂合法（FISH； Fluorescent In Situ Hybridization），针对铵氧化菌与亚硝酸氧化菌的16S rDNA设计一段专一性的探针。

We tested the following items every two hours before and after those nitrobacteria worked,respectively,i.e.,ammonium,nitrite,nitrate and the δ13C values of dissolved organic matter.

有机质矿化分解过程中，碳同位素经过化学反应、蒸发、扩散和生物化学等过程发生同位素分馏，δ13C值发生相应的变化[4，13]。

The effects of immobilized microbes including Rhodospirillaceae, Bacillus, Nitrobacteria and denitrifying bacteria on the changes in species, quantity and biomass of algae and zooplankton in aquiculture water and on the physicochemical environmental factors, such as nitrogen, were studied.

研究了固定化微生物(含有光合细菌、芽胞杆菌、硝化细菌以及反硝化细菌)对养殖水体中藻类和浮游动物的种类、数量、生物量以及水体氮素等理化环境的影响。

The invention discloses a disposing method of ammonia nitrogen waste water in the effluent disposal technological domain, which is characterized by the following: sieving heterotrophic nitrobacteria and aerobic denitrobacteria with stronger environment adaptive ability to nitrate and denitrate simultaneously; constructing mud nitrated and denitrated system to dispose waste water with nitrogen simultaneously to satisfy different DO densities.

为了解决同步硝化反硝化过程中菌种来源不明，调控困难，硝化和反硝化对DO浓度要求不同，在实际工程中难以实现同步硝化反硝化，本发明筛选出对环境有较强适应能力的异养硝化细菌和好氧反硝化细菌，采用异养硝化细菌和好氧反硝化细菌构建同步硝化反硝化污泥体系处理含氮废水，具有投资少，费用低，处理效果好，不仅去除废水中的氨氮，而且对总氮也有较高的去除率。

The paper studied the effects of submerged macrophyte and immobilized bacteria on the distribution of four bacteria communities: ammonifying bacteria; nitrosobacteria; nitrobacteria and denitrifying bacteria in water column and sediment of eutrophicted water.

本试验研究了沉水植物伊乐藻和固定化微生物两者相结合对富营养化水体和底泥中4种菌群的氮循环微生物（氨化细菌、亚硝化细菌、硝化细菌、反硝化细菌）分布的影响。

The population distribution of physiological groups of bacteria,including ammonifying bacteria, denitrifying bacteria, nitrobacteria and nitroso bacteria, organic ph

用最大可能数法和平板计数法，于2002年1月～2003年3月对苏州河水体和底泥中的主要微生物功能菌群——包括有机磷分解菌、无机磷分解菌、氨化菌、亚硝化菌、硝化菌和反硝化菌等进行了生态调查，并分析探讨了它们在苏州河水生态系统中的作用。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。