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氨化细菌

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Conclusion] The ammonifiers in nitrogen utilizing bacteria in Danhe water was in much distribution,the nitrobacteria,nitrosation and denitrifying bacteria were at next and azotobacter was relatively less.

结论] 丹河水体中的氮利用菌中氨化细菌分布较多,硝化细菌、亚硝化细菌和反硝化细菌次之,固氮菌则相对较少。

Population spatial and temporal distribution characteristic of microbial physiological groups such as ammonifying bacteria, nitrobacteria, denitrobacteria, bacillus from the elephant grass rhizosphere soil were investigated by using selective media and with the plate count and MPN methods.

方法]利用选择性培养基,采用涂抹平板法和稀释法对象草根际土壤微生物生理群(氨化细菌、硝化细菌、反硝化细菌、芽孢杆菌等)数量时空分布特征进行研究。

In this study,under laboratory conditions,using traditional microbiological culture method,select the Pb2+ stress training of Pistia stratiote and Myriophyllum spicatum L. under water culture, through the changs of root- microbial of Pistia stratiote and Myriophyllum spicatum L.,the results show that bacteria,fungi,actinomycetes have different concentrations under Pb2+ stress. It is specificity of ammonification, nitrification,andanti-Nitrosation after Pb2+ stress.

中文摘要:本研究在实验室条件下,用传统的微生物培养法,选择重金属离子Pb2+在水培条件下对大薸和穗状狐尾藻进行胁迫培养,通过测定大薸和穗状狐尾藻根系的微生物区系及与氮循环有关的四种细菌的数量变化发现:细菌、真菌、放线菌对重金属Pb2+的不同浓度的敏感性不同;重金属Pb2+胁迫对氨化、硝化、亚硝化和反硝化四类细菌的影响也表现出各自的特殊性。

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。

Compared with CK, there were tenfold to hundredfold increase for all the bacteria except ammonifying bacteria.

与对照组相比,除氨化细菌外,其余菌群都有10~100倍的增长。

An ammonium nitrogen in paddy field showed the same tendency of reduction as ammonifying bacteria.

随着丁草胺+尿素使用剂量的提高,土壤氨化细菌含量显著下降,土壤铵态氮含量也呈现相同的下降趋势。

Drought stress changed the correlation of NH4+-N and NO3——N with protease,urease activity,ammonifying bacteria and nitrifying bacteria.

干旱胁迫改变了玉米根际NH4+-N和NO3--N与蛋白酶、脲酶、氨化细菌和硝化细菌的相关性。

According to the synergistic effects of weed control and the inhibited availability to ammonifying becteria and actinomycetes while herbicides were used with urea mixture, that has formulated a wettable powder of butachlor+londax and a granular of butachlor + londax + urea.

根据除草剂和尿素混用的杀草增效作用和对氨化细菌和放线菌的抑制作用,创制了丁草胺+农得时可湿性粉剂和丁草胺+农得时+尿素颗粒剂。

The bioassay results showed that the quaternary ammonium salt had a good intihtion against typical microorganisms such as heterotrophic bacteria,ammonifying bacteria,denitrifying bacteria and nitrosation bacteria with its inhibition rate was above 90%. Inhibition of the quaternary ammonium salt to fungi and sulfate reducting bacteria was above 85% after 30 min. Inhibition of the quaternary ammonium salt to black mold was about 84% after 30 min,and the to algae was totally inhibited after 24 h.

高分子抗菌杀生剂的抗菌灭藻性能的检测结果表明,作用30 min对贵阳市雅河水中的异养菌、氨化细菌、反硝化细菌、亚硝化细菌的杀菌率在90%以上,真菌、硫酸盐还原菌的杀菌率在85%以上;对黑曲霉的杀菌率在84%,其作用24 h可将小球藻基本杀灭。

Transgenic Bt cottons increased the population of ammonifying bacteria and decreased that of inorganic phosphorus-solubilizing bacteria significantly at seedling and flowering stages, whereas they increased the population of aerobic cellulose-decomposing bacteria and decreased that of organic phosphorus-solubilizing bacteria significantly only at the flowering stage.

苗期和花期转Bt基因棉均可显著提高氨化细菌、显著降低无机溶磷菌数量,花期均可显著提高好气纤维分解菌、显著降低有机溶磷菌数量,'Bt冀668'苗期也可显著提高好气纤维分解菌数量。

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Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆,把帆卷起,系住。

Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.

因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。