Two bacterial strains A1 and A2 screened from the biofilm of BAF reactor were found capable of ammonification. 以BAF反应器中的生物膜为接种物,分离筛选得到2株氨化细菌,分别命名为A1、A2。
A mass of ammonifiers in water body and sediment can make ammonia accumulate in water body through ammonification. 水体与底泥中大量氨化菌可能通过转氨作用产生的氨氮积累在水体中。
Process analysis and pilot experiment for granular ammonium phosphate production by fluidizing ammonification and granulation 尾气循环流化氨化制备粒状磷铵过程分析与现场试验
The condensation and ammonification tests is proceed by using pyrrolidone as the start material. 以吡咯烷酮为起始原料进行成盐、缩合、氨化试验,考察影响收率的工艺因素。
Ammonification technology of silica production by using waste fluorosilicic acid as by-product of phosphate fertilizer production Study on the Deliming of Deserted Carbon Black in Making a Gas Process from Heavy Oils Burnt 利用磷肥副产氟硅酸制白炭黑的氨化工艺研究重油造气副产废弃炭黑灰分的脱除研究
The main reason of the soil nitrogen nutrient improvement is the high speed of litter decomposition and high ammonification and nitrification intensity because of the increased activity of soil microorganism. 混交林土壤N素养分水平提高的根本原因是林地土壤微生物活性高,加快了含N较高枯落物分解速度,增强了土壤氨化及硝化强度。
The dynamics of heterotrophic bacteria and ammonification in biofilms on submerged biofilters were determined using microbiological methods. 用微生物学方法测定了淹没式生物滤器中两种载体生物膜形成过程中异养细菌数量动态及熟化后细菌的氨化作用。
Effect of danly ( weathered coal) and boron on ammonification and nitrification of urea and availability of phosphorus in soil 风化煤和硼在土壤中对尿素氨化与硝化作用及磷有效性的影响
Effects of herbicide on the microbial activity, nitrification and ammonification in soils 除草剂对土壤微生物活性、土壤氨化作用和硝化作用的影响
Arginine ammonification as a simple method for measuring soil microbial 土壤微生物生物量测定的简单方法&精氨酸氨化分析
After irrigating, with the variation of moisture, oxygen and pH value, the ammonification, nitrification and de nitrification are successively the major causes of nitrogen trasformation in the soil. 污灌以后,随土壤含水量、氧化还原电位和pH值的变化,氨化作用、硝化作用和反硝化作用依次成为氮素转化的主要机制。
Based on the comprehensive comparison of Phosphoric acid ammonification reaction process and equipment existed presently in China, the ammonia neutralization evaporation reactor in forced recycle is designed, features of ammonification reaction process are also analyzed in this unit, and summarization is made for the application effect. 在对国内已有的磷酸氨化反应流程和设备综合比较的基础上,设计了强制循环氨中和蒸发反应器,分析了该装置氨化反应流程的特点,对使用效果进行了总结。
The characteristics of nitrogen fixation, ammonification, nitrification and denitrification in coastal zones 海岸带地区的固氮、氨化、硝化与反硝化特征
The respiratory intensity of the contaminated soil decreased by 29.93% while ammonification and nitrification increased significantly over that of control soil. 与对照土壤相比,污染土壤呼吸作用下降29.93%,而氨化作用和硝化作用则增强。
Dynamics of heterotrophic bacteria and ammonification in biofilms associated with two carriers 两种载体生物膜中异养细菌数量动态及其氨化作用
The results also showed that when the concentration of herbicides in soils was 1000 ppm, soil nitrification rate was inhibited but soil ammonification rate was stimulated in certain levels. 2.1000ppm时,几种除草剂对两种土壤的硝化作用有一定的抑制效果,对氨化作用有不同程度的促进作用。
Study on ammonification rate and slow release performance of urea 尿素的氨化速度与缓释性能研究
The results showed that with the rising of temperature, the net ammonification rate, the net nitrification rate and the net mineralization rate have a significant increasing trend. Therefore climate warming will enhance the soil nitrogen mineralization in the region. 研究结果表明,随着气温升高,该土壤的氮素净氨化速率、净硝化速率、净矿化速率有明显的增加趋势,这说明气候变暖将增强该区土壤氮素的矿化作用。
Changes of Ammonification and Nitrification Intensity of Soil Nitrogen in Tobacco Field 烟地土壤氮素的氨化作用与硝化作用的强度变化
The efficiency of ammonification using H2O2 as oxidant was higher than using O2 gas. 用过氧化氢作氧化剂比用氧气作氧化剂氨化效率高。
The results indicate that the effect of REs on soil N is mainly related to the working of REs to soil nitrification in the dry condition and to soil ammonification in the inundated condition. 分析表明,土壤中稀土含量的变化对氮素的影响在旱培条件下主要与稀土对土壤硝化过程作用有关,淹水条件下与稀土对土壤氨化过程作用有关。
Oxytetracycline inhibited to the soil ammonification and the level of inhibition is related to the concentration of the oxytetracycline. 土霉素对土壤的氨化作用产生抑制,抑制程度与土霉素浓度相关,而土霉素对土壤中硝态氮含量的影响不显著。
The seasonal changes of the ammonification rate and the nitrification rate were obviously. 净铵化速率和净硝化速率均表现出明显的季节性变化。
There is extremely significant linear relationship between nitrification rate and ammonification rate. 硝化速率和铵化速率间呈现极显著线性关系。
But the nitrogen applied to soil ammonification and denitrification will result in the loss. 但是施入土壤中的氮素在氨化作用及反硝化作用下会造成流失。
At annual level soil nitrification rate and ammonification rate would increase with nitrogen fertilization, and increasing extent increased with nitrogen fertilization. 施氮处理可以在年度水平上增加樟树林土壤硝化速率和氨化速率,且增加幅度随施氮水平的升高而增大。
Ammonification will produce ammonia volatilization, ammonia volatilization is a main way about loss of nitrogen. 氨化作用中会产生氨挥发,氨挥发是氮素损失的主要途径。
Therefore, wetlands were constructed to improve the dissolved oxygen by the aeration inside the wetland and process of ammonification-nitrification-denitrification of organic nitrogen by Microorganisms and oxidizing Fe2+ to Fe3+ so as to form stable compounds in wastewater. 为此,通过人工湿地内部曝气提高湿地内部的溶解氧,改善湿地中微生物对污水中有机氮的氨化-硝化-反硝化反应和Fe2+氧化生成Fe3+,与PO43-结合形成稳定化合物。