The nitrification efficiency maximized when the initial pH was 8.
dm3),水体的硝化率达到最大。
The experiment is carried out on effects of municipal wastewater treatment by using biological aerated filter(BAF),and study is made on removal characters of suspended solids(SS),COD and nitrification efficiency.
通过试验研究了曝气生物滤池(BAF)处理城市污水的效果,考察了曝气生物滤池对悬浮物、COD的去除特性及氨氮的硝化率,同时考察了环境因素对BAF运行的影响规律。
Numbers and nitrification rates of heterotrophic bacteria and nitrifiers in self-purification culture of Paralichthys olivaceus;
牙鲆自净式养殖槽中异养细菌和硝化细菌数量及硝化速率
The nitrification rates,measured under different temperatures through nitrification experiments by embedded nitrobacteria granular reactor and biological contact oxidation reactor,both reach maximum nitrification rates of 40?mg N/(L·h) and 31?mg N/(L·h) respectively at 28℃.
通过包埋固定化硝化菌颗粒和生物接触氧化法在不同温度条件下的硝化反应速率测定试验,发现在28℃时两个反应器均达到最大硝化速率,分别为40 mgN/(L。
The experiment,adopting CSTR(continuous stirred tank reactor),through measuring the nitrification and denitrification rate as well as the phosphorus' releasing and adsorbing rates at different temperatures and pH conditions,summarizes the effects of temperature and pH on the biochemical reaction rate of activated sludge.
试验表明,硝化和反硝化速率随温度的升高而加快。
The influence of nitrification efficiency with adding nitrifying bacteria to the activated sludge process was investigation.
研究了在活性污泥工艺中用投加硝化菌的方法提高硝化效率的特性 。
5,the average rate of nitrosation is above 80% through increasing the mass concentration of influent ammonia.
5时,通过提高进水氨氮质量浓度可以使亚硝化率达到80%以上。
The average rate of nitrosation \[NO~-2/(NO~-2 + NO~-3)\] is above 90% by increasing the concentration of influent NH~+4-N and pH value when the salinity is in the range of 1759mg/L~.
含盐量在1759～24630mg/L范围内,通过提高进水pH值和进水NH+4N浓度,可以使亚硝化率[NO-2/(NO-2+NO-3)]达到90%以上。
The rate of nitrosation could exceed 50% by reducing the concentration of DO and increasing the NH_3-N concentration of the influent,but this way could not keep a steady rate of nitrite accumulation.
通过降低DO浓度和提高进水氨氮浓度可以使亚硝化率达到50%以上,但不能保持稳定的亚硝酸盐积累。
The Determination Analysis of the Denitrification Rate for Orbal Oxidation Ditch in No.3 Wastewater Treatment Plant of Xi'an
西安市第三污水处理厂Orbal氧化沟反硝化速率测定分析
Feasible Study on Bioluminescence and Nitrification Inhibition for Wastewater Toxicity Test;
发光细菌法和硝化速率法测定污水毒性的可行性研究
The Influence of Cu and Ni Amendment on Potential Nitrification Rate for 17 Areas of Chinese Agricultural Soils;
铜和镍对我国17个地区农田土壤潜在硝化速率的影响
emission of nitrous oxide
亚硝酸氧化物散失比率
Factors optimization of rapid start-up for partial nitrification in SBR process
SBR工艺短程硝化快速启动条件的优化
The nitroalkanol imparts improved sensitivity and detonation velocities.
硝化烷醇提高了感度和爆速。
Analysis of SCR Impact on Denitration Efficiency and SO_2 Translation
SCR对脱硝效率及SO_2转化影响分析
Secondly, Ca absorption could be inhibited by 2,4-DNP with an inhibition rate of about 70-90%.
2,4—二硝基酸可抑制荚果钙素吸收速率,其抑制率达70—92％。
Study on the Rapid Screen Method of Aerobic Denitrification Bacteria and Treatment of Denitrification in the Nitrate Wastewater;
好氧反硝化菌株的快速筛选及其在硝态氮废水处理中的应用研究
Study on Shift Rule of the Nitro Characteristic Frequency in Aliphatic Carbonnitro Compounds
脂肪族碳硝基化合物中硝基特征频率位移规律研究
The rate of change of velocity with respect to time.
加速度速度相对于时间变化的速率
The startup during which ammonia-nitrogen removal approached the steady state was such a stage, during which the growth rates and conversion capacities of two groups of nitrifying bacteria approached the steady state, respectively.
启动中氨氮去除效果趋于稳定的过程是两类硝化细菌在生长速率和转化能力上趋于稳定的过程。
Effects of NO_3~- on respiratory rate and enzyme activities of roots of sweet cherry under waterlogging conditions
硝态氮对淹水条件下甜樱桃根系呼吸速率及相关酶活性的影响
A Simple and Fast Determination of NO_3~- in Steel Parts Acid Cleaning Solution and Phosphating Solution
钢材酸洗液和磷化液中硝酸根的简易、快速测定
Adiabatic Thermal Decomposition of Expanded Ammonium Nitrate Using Accelerating Rate Calorimeter
膨化硝酸铵绝热分解的加速量热法研究
Accelerated Oxidation of Methyl Blue for Determination of Trace Nitrite in Foods
加速氧化甲基兰测定食品中微量亚硝酸盐含量
Enhancement of the Removal Efficiency of NO_x from Flue Gas by Pulsed Disharge with Corona-Activated Propene;
电晕丙烯活化提高脉冲放电烟气脱硝效率研究
Study on influencing factors of the efficiency of simultaneous desulfurization and denitrification based on TiO_2 photocatalysis
TiO_2光催化同时脱硫脱硝效率影响因素研究