nitrification
nitrification
1. The NH 4 N in DCD treatment maintained high level, which illustrated that DCD had strong inhibiting effect on nitrification.
DCD处理的NH4 N一直保持较高水平 ,说明DCD对土壤硝化过程有强烈的抑制作用。
2. The NH4-N in DCD treatment maintained high level, which illustrated that DCD had strong inhibiting effect on nitrification.
DCD处理的NH4-N一直保持较高水平，说明DCD对土壤硝化过程有强烈的抑制作用。
3. Jean Jacques Theophile Schloesing proves that nitrification is a biological process in the soil by using chloroform vapors to inhibit the production of nitrate.
Jean Jacques Theophile Schloesing通过使用氯仿蒸汽抑制了硝酸盐的生成，从而证明了硝化作用是土壤中的一个生物学作用。
4. The ratio of N2O emission to net nitrification
N2O与净硝化量比例
5. The results of nitrification intension test indicated that PBP 6 and PBP 9 could inhibit urea hydrolysis for 2 days, DCD and the other PBP could not.
PBP6和PBP9对尿素水解的抑制能持续2d,DCD及其它处理则不能;
6. Influence of pH value on simultaneous nitrification and denitrification process of aerobic granule sludge.
pH值对好氧颗粒污泥同步硝化反硝化过程的影响
7. S 0 could retard the decomposition of DCD due to the effect of its oxidized products S 2O 3 2- and S 4O 6 2- ,and thus,extend the inhibitory effect of DCD on NH 4 + N nitrification.
S0 与DCD配合施用可使DCD的硝化抑制性增强 ,其作用机理是S0 氧化中间体 S_2 O_32 - 、S4 O6 2 - ,具有抑制硝化和DCD降解作用 ,延缓DCD硝化抑制效果 .
8. The shortcut nitrification process of high ammonia wastewater (concentration of NH4+ - N is higher than 260 mg L-1) in SBR is stable when low DO concentration and high DO concentration changed alternately.
SBR内的高氨废水(NH_4~+-N浓度大于260mg·L~(-1))在高低溶解氧交替环境下实现的短程硝化过程较为稳定。
9. Added S0 and DCD could inhibit nitrification of soil NH4+, decrease soil NO3--N content, and maintain a high soil NH4+-N content within 72 days at NH4HCO3 treatment, and within 48days at urea treatment.
S~0、DCD及其组合施入土壤可抑制NH_4~+向NO_3~-的转化，降低土壤NO_3~- -N水平，使土壤内NH_4~+ -N长时间保持较高水平。
10. A system with better efficiency of nitrification would reduce the risk of highnitrite toxicity even though a large quantity of ammonia-N was loaded tothe system.2.
一个具较佳硝化作用之系统，卽使添加多量氨态氮，亦能有效地进行氧化作用，可以减少因多量亚硝酸产生之毒性的危险。
11. Nitrification inhibitors,HQ, DCD and TU, could all decrease nitrate contents in pakchoi significantly in three stages of pakchoi. But the effect varies with the test soil.
三种硝化抑制剂HQ(氢醌)、DCD(双氰胺)和TU(硫脲)在蔬菜的不同时期均不同程度的降低了蔬菜硝酸盐含量，但是不同供试土壤上的试验反映的情况不完全一致。
12. The chlorine of ammonium chloride could restrain the nitrification but its influence on restraining nitrification was related to the variety of nitrogenous fertilizers and the growth of crop.
不种作物时 ,氯化铵中氯的硝化抑制效应稳定且与双氰胺相当 ;种玉米促进了氮素的硝化作用。
13. two-step nitrification denitrification
两步硝化-反硝化
14. The main reason probably was that the nitrification was carried out only in part of reaction time because of the periodic changes of sequencing batch mode,whic...
主要原因可能是间歇式运行方式周期性的变化使硝化只能在部分反应时间内进行,硝化细菌的生长也受到影响。
15. Understanding of the manufacture of sulfuric acid in two ways, contact the Law and nitrification.
了解制造硫酸的两种方法，接触法和硝化法。
16. The application of several nitrification inhibitor registrated in Japan is described. Development future of slc v releasing chemical fertilizer is also introduced.
介绍经日本注册的几种硝化抑制剂的使用情况,及缓效化肥的发展前景。
17. Nitrification and heterotrophic bacteria that was screened and separated from digestion sludge is used to treat schoolyarddomesticsewage.
从消化污泥中筛选、分离出具有硝化作用的异养菌用于校园生活污水的处理。
18. The traditional methods of biological nitrogen removal adopted initrification and nitrification technology,but there are lots problems.
传统的生物脱氮采用的是硝化、反硝化工艺,但存在着很多问题。
19. The nitrification of the ammonium ion, however, results in the formation of an acid residue.
但铵离子的硝化会产生一种酸性残留物。
20. Use of nitrification inhibitors can also effectively suppress conversion of NH4 to NO3.
使用硝化抑制剂也能有效地抑制NH4向NO3的转化。
21. complete nitrification and denitrification
全程硝化反硝化
22. In these systems, VFW is considered as a reliable system for wastewater nitrification.
其中，垂直流是废水硝化可靠的系统，它具有高的净化效率和相对较小的土地面积需求以及在其他系统不能应用的场地有应用潜力等优点而变得越来越普遍。
23. Agricultural soils are the main source for N2O emissions.A series of factors can influence N2O emissions and two microbial processes (nitrification and de-nitrification) produce N2O in the croplands.
农业土壤是其主要的排放源之一，土壤中硝化和反硝化作用是N2O产生的主要过程。
24. The main removal mechanism of ammonia-N was nitrification, assimilation of algae and volatilization, and phosphorus removal was mainly depended on precipitation.
冬季水力停留时间的延长对保障系统的整体运行效果是有效的。
25. Chlorine was added in shocking and continuous mode respectively, so as to realize short-cut nitrification with a biological denitrification with a biofilm reactor.
分别以冲击性和连续性方式投加氯，可以在生物膜法生物脱氮反应中实现短程硝化。
26. The results showed that the inhibition of the above five phenolic compounds on nitrification were all noncompetitive,and inhibition constants KI was equal to EC50.
利用富集培养的硝化污泥研究了苯酚及其衍生物2,4-二氯苯酚、对氨基酚、邻甲基酚和对硝基酚对氨氮生物硝化过程的抑制特性。
27. A two-SBR is a novel Simultaneous phosphorus and nitrogen removal system which combined an anaerobic/anoxic sequencing batch reactor (A2-SBR) and a nitrification SBR (O-SBR) together.
双SBR是将厌氧／缺氧间歇反应器(A_2-SBR)与具有硝化作用的SBR反应器(O-SBR)联合使用，进行脱氮除磷的工艺。
28. The nitrification inhibiting experiment result showed that DCD of different concentration can inhibit the nitrification at different degree.
双氰胺抑制试验结果表明；
29. In addition, applying nitrification inhibitors could increase vitamin C and soluble sugar contents in pakchoi, and promote N and P uptakes by pakchoi.
另外，3种硝化抑制剂还能显著提高小白菜的维生素C和可溶性糖含量，增强对N，P养分的吸收。
30. Nitrification inhibitors will prevent N losses only when conditions favoring unwanted transformation of NH4 coincide with the effective period of the inhibitor.
只有使利于NH4转化的条件与抑制剂的有效期相一致时，硝化抑制剂才阻止氮素损失。
31. The questions about the effect of pH and free ammonia on shortcut nitrification and nitrite-oxidizing bacteria adept to the free ammonia are also being discussed.
同时,考察了不同HRT下高效反应器的处理效果,并探讨了不同pH对短程硝化效果的影响以及亚硝酸盐菌对游离氨浓度的适应性等问题。
32. At the same time, the control of the reaction course by online detecting the DO and pH, ensured nitrification-denitrification via nitrite and avoided the problem of deficient nitrification owing to the shorter aeration time.
同时根据DO、pH在线监测、控制反应过程，避免了曝气时间过短、硝化不充分的问题，还保证了亚硝酸型硝化。
33. simultaneous nitrification de - nitrification
同时硝化-反硝化
34. simuhaneous nitrification and denitrification
同时硝化反硝化
35. simuhaneous nitrification and denitrification (SND)
同时硝化反硝化菌
36. simulataneous nitrification and denitrification
同步硝化反硝化
37. A problem related to nitrification is a drop in PH for the system due to the formation of nitric acid.
和硝化作用有关的一个问题就是由于生成硝酸而使系统内的PH值降低。
38. We concluded that nitrification and AOB abundance in root surface and rhizosphere soil at filling and harvesting stages were important to a high rice yield and high NUE.
因此水稻灌浆期和收获期根表和根际硝化作用以及AOB与水稻高产及氮素高效利用密切相关。
39. The results also showed that soil respiration,ammonification,nitrification,activities of catalase and polyphenoloxidase were stimulated,however,soil cellulose decomposition was inhibited.
土壤呼吸作用强度、氨化作用强度、硝化作用强度、过氧化氢酶活性、多酚氧化酶活性增强，而纤维素分解作用强度减弱；
40. Soils are the very important source for N2O emissions.A series of factors influence rates of the two microbial processes (nitrification and denitrification ) that produce N2O in the soil.
土壤是N2O的重要产生源，土壤中的硝化作用和反硝化作用是N2O的主要生成过程。
41. The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decomposition, nitrification and denitrification.
土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。
42. Soil pH was significantly lowest in CE.Temporal patterns of soil N mineralization and nitrification were significant related to the growth of conifers (i.e.
土壤氮矿化和硝化的时间格局与针叶树的迁移显著相关并且随着凋落物，森林地表，细根和土壤特性的演替而变化。
43. Due to less clay content and looseness of Entisol, and a fast speed of nitrification, nitrogen input to the soil mostly presented as nitrate.
土壤质地极显著的影响硝态氮在土壤中的累积与运移。
44. In the end the ammonium nitrogen content of the treatment with AOL or DCD was towered above the one without those nitrification inhibitors, and the nitrate nitrogen content of the former was less than the latter.
在相同条件下,分别加AOL和DCD处理的铵态氮质量分数都要比未加硝化抑制剂处理的高; 相应地,在开始阶段硝态氮质量分数也要比未加硝化抑制剂处理的低。
45. DO was the key factor for the simultaneous nitrification and denitrification of SBBR.Reducing SRT was availability to removal phosphorus.
在这些影响因子中，DO是SBBR同时硝化反硝化的控制因素，而适当缩短泥龄可以很好除磷。
46. In Malan Loess, the three nitrogen transform by nitrification and denitrification.
在马兰黄土中，影响三氮转化的主要作用有硝化作用和反硝化作用。
47. The runoff plot experiment and nitrification experiment was made to study nitrogen loss and sapplying capacity on slopping farmland in loess hilly region.
在黄土丘陵区坡耕地黄绵土上进行径流小区试验,研究侵蚀条件下土壤氮素流失规律,并采用硝化力培养方法研究黄绵土的供氮能力。
48. The soil nitrogen availability and relative nitrification ratio along the gradient differed greatly being significantly higher in urban than in rural area (P<0.05).
城乡梯度不同位置森林土壤有效氮及其各组分与相对硝化速率的差异明显，城区均显著高于乡村(P<0.05)；
49. A large amount of nitrogen that is not absorbed by crops enters as nitrate nitrogen into soils of the aeration zone after nitrification by microbial processes.
大量的氮素没有被农作物吸收,经微生物硝化作用后,以硝态氮的形式进入包气带土体,使包气带土体普遍受到氮素不同程度的污染。
50. An aerobic granular sludge membrane bioreactor(GMBR) had been stably operated for 71 days, and it showed good organics removal and simultaneous nitrification and denitrification(SND) performances.
好氧颗粒污泥膜生物反应器(GMBR)连续运行71d,对模拟生活污水表现出良好的有机物去除及同步硝化反硝化(SND)能力。
51. It is characterized by a series of features such as the design of the biological selector in the reactor , operation in variable volume manner and the simultaneous nitrification and denitrification.
它以设置生物选择器、运行容积可变及实现同步硝化和反硝化为其工艺特征，从而具有一系列的优点。
52. The test indicates that the beginning of BOD nitrification process is much more advanced as a result of the existing of nitrifier in the waterways of Wuxi Area.
实验证明，由于无锡水域中硝化菌的存在，使BOD硝化阶段大为提前。
53. Different forms of ammonia nitrogen was analysed in one degradatic period,and the results showed nitrification and denitrification occurred simultaneously in the reactor filled with acrobic granular.
对一个降解周期内氮的形态分析表明,在颗粒污泥存在的反应器内发生了同步硝化反硝化。
54. Different forms of ammonia nitrogen was analysed in one degradatic period, and the results showed nitrification and denitrification occurred simultaneously in the reactor filled with acrobic granular.
对一个降解周期内氮的形态分析表明，在颗粒污泥存在的反应器内发生了同步硝化反硝化。
55. The kinetics of nitrification biofilm in upflow and pure oxygen has been studied.
对上向流直接供氧生物膜硝化动力学进行了试验和讨论。
56. This was mainly because the nitrification and denitrification were confined by the HRT.To summarize, we selected 24 hours as the best HRT.
对不同水力停留时间下各种污染物质的去除效率分析后，确定该湿地型装置最佳水力停留时间为24h。
57. Compared to conventional nitrification and denitrification,oxygen and carbon demanding are less and sludge production is low,especially for the low C/N ratio wastewater treatment.
对于处理低碳氮比废水,与传统方法相比,它具有节省氧耗、无需外加有机碳源、污泥产量低等优点。
58. Nitrification and harmfulness in chloraminated distribution system were studied,literature review of influencing factors and detection methods for nitrification was summarized.
对氯胺消毒的配水系统中的硝化现象及其危害,以及近年来国内外有关硝化作用的影响因素和检测方法等方面的研究进展进行了综述。
59. To reveal the nitrogen purification mechanism in subsurface-flow constructed wetlands,nitrification and denitrification intensities were studied in reed,canna and unplanted wetlands respectively.
对芦苇、美人蕉、空白潜流型人工湿地中硝化、反硝化作用强度进行了对比研究。
60. In addition, the effects of sorption and nitrification on NH 4 +N transformation and tr.
就吸附作用和硝化作用对铵态氮转化迁移规律的影响作了定量讨论。
61. Biological N-P removal involves in processes such as nitrification, denitrification, phosphorus release and uptake.
就氮磷脱除而言，一般需涉及硝化、反硝化、微生物释磷和吸磷过程。
62. Although rhizosphere nitrification happened in red paddy soil was very weak, it might be important for rice growth and N nutrition at the seedling stage.
尽管红壤水稻土硝化作用很弱，但红壤区水稻根际硝化作用与水稻苗期生长和氮素营养密切相关。
63. And DCD inhibits the nitrification of ammonium nitrogen and made soil preserve more ammonium nitrogen in a longer period.
并且双氰胺通过其硝化抑制作用可以延缓铵态氮的硝化速率,使施入的碳铵能较长时间的以铵态氮的形态存在。
64. The principle of simultaneous nitrification and denitrification and factors affecting it are given,such as carbon source,DO,the property of activated sludge ect.
并对反硝化除磷、同时硝化与反硝化、短程硝化反硝化、厌氧氨氧化等生物脱氮除磷新技术的相关工艺及其特点进行了评述。
65. extended nitrification sequencing bath reactor
延时序批式生物氧化硝化反应器
66. Heterotrophic Nitrification and its Application in Aquiculture
异养硝化在水产养殖中的应用
67. heterotrophic nitrification bacteria
异养硝化细菌
68. Heterotrophic Nitrification Bacterium USTB05
异养硝化细菌USTB05
69. heterotrophic nitrification bacterium
异养硝化菌
70. When applying N in the fall, application should be delayed until soil temperatures have cooled sufficiently to slow nitrification.
当在秋季施氮肥时，施肥时间应该推迟到土壤温度降低到能降低硝化作用时。
71. After the short-cut nitrification was realized, chemical dosage could be saved and short-cut nitrification maintained by means of changing the chemical dosing method.
当短程硝化反应实现后，通过改变投药方式可节省投药量并维持短程稍化反应。
72. In this paper ,after dry ashed treatment and nitrification,Lead wasdetermined by FAAs and precision.accuracy satisfactory results were btained.
我们采用干式灰化处理漆片后，用硝酸消解试样，用原子吸收法测定，测定结果精密度、准确度均较好。
73. Abstract: Oxidation ot organic content and nitrification of coking wastewater after ASBR anaerobic pretreatment were studied experimentally by SBR reactor.
摘 要: 本文采用SBR反应器对ASBR厌氧预处理后的焦化废水进行碳氧化和硝化的实验研究。
74. Water quality; method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters.
摘要:水质。通过化学药品和污水对活性污泥中微生物硝酸化抑制作用的鉴定方法。
75. Flumiclora-pentyl was prepared from p-fluorophenol as starting material via several steps such as chlorination, nitrification, reduction and condensation. The yield of the product was 50%, and the purity was higher than 97%.
摘要以对氟苯酚为原料，首先与氯气发生反应，生成2-氟－4-氯苯酚，再经过硝化、还原、缩合等几步反应得到氟胺草酯，反应总收率达到50%，产品纯度大于97%。
76. In a cell of biofilm reactor for whole-run nitrification, chlorine was added to achieve the selective inhibition to two kinds of bacteria in nitrification.
摘要以稳定运行的全程硝化的生物膜反应器的一个反应单元为研究对象，通过外加氯实现对硝化反应中两类细菌的选择性抑制。
77. The traditional nitrogen biology disposition in wastewater treatment is accomplished by ammoniation, nitrification and denitrification, but its efficiency is low.
摘要传统的污水生物脱氮一般通过氨化、硝化、反硝化进行，处理效率低。
78. This paper studied nitrification and denitrification of mature aerobic granular which cultivated from activated sludge and anaerobic granular sludge.
摘要分别以活性污泥和厌氧颗粒污泥培养的好氧颗粒污泥为对象，对成熟污泥颗粒的脱氮性能进行了比较研究。
79. Microbiological nitrification and denitrification were considered to be the major sources of N2O in wastewater treatment processes.
摘要微生物的硝化及反硝化过程为污水处理过程中N2O的主要产生源。
80. Nitrification and denitrification characteristics of membrane bioreactor (MBR) and conventional activated sludge (CAS) for wastewater treatment are compared under same operation condition.
摘要比较了膜生物反应器(MBR)和传统活性污泥工艺(CAS)在相同运行条件下处理生活污水的硝化和反硝化性能。
