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heterotrophic nitrification     
相关语句
  异养硝化
     Study progress on the mechanism of heterotrophic nitrification
     异养硝化机理的研究进展
短句来源
     The results indicated that heterotrophic nitrification or aerobic denitrification was the main process producing N2O at 30% WFPS. N2O emission from autotrophic nitrification only accounted for 15.2%~47.2% of that from heterotrophic nitrification or aerobic denitrification.
     结果表明:30%含水量的灭菌土壤反接种培养,N2O的产生是以异养硝化/好氧反硝化作用为主,自养硝化作用对于N2O亦有贡献,后者产N2O量仅是前者的15.2%~47.2%;
短句来源
     However,heterotrophic nitrification or autotrophic nitrification was predominant process when soil WFPS increased to 50%,with N2O emission from autotrophic nitrification being 2.1 times over that from heterotrophic nitrification or aerobic denitrification.
     而50%含水量的灭菌土壤反接种培养,N2O的产生过程是以自养硝化为主,其N2O产生量几乎是异养硝化/好氧反硝化菌处理的2.1倍。
短句来源
     Heterotrophic Nitrification and its Application in Aquiculture
     异养硝化在水产养殖中的应用
短句来源
     The study on the mechanism which focuses on the enzymes,functional genes,electron transfer and metabolism pathway of heterotrophic nitrification are mainly reviewed.
     着重从异养硝化的关键酶,相关基因,电子传递及代谢途径这几个方面综述了异养硝化机理的研究进展。
短句来源
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  异养硝化作用
     Thereby, the N2O emission flux from temperate grassland soils was lower because that the heterotrophic nitrification is key N2O production process in these soils.
     从而揭示了内蒙古温带草原土壤以异养硝化作用过程为主产生N2O和N2O排放通量较低的微生物学机理。
短句来源
     The microbiological processes parameters related to N2O production in Chinese typical grassland soils was firstly determined by using the acetylene-inhibition method (AIM); and seasonal variations of related bacteria groups and the process in different types of the soils were analysed. Results show that the heterotrophic nitrification is the key microbiological processes for N2O production in the typical grassland soils of Inner Mongolia.
     利用AIM乙炔抑制法,首次测试了我国典型草原土壤与N2O 产生相关的微生物参数,并通过分析研究不同类型草原土壤N2O 产生的微生物过程和相关微生物菌群的季节变化,揭示了内蒙古典型草原土壤N2O产生是以异养硝化作用过程为主的微生物过程,从而解释了内蒙古典型草原土壤N2O通量较低及其季节变化特征的微生物学机理.
短句来源
     It was the heterotrophic nitrification that is the key microbiological process for N 2O production in the non grazing and grazing semi arid typical grassland soils in Inner Mongolia. The reasons why N 2O flux from Inner Mongolia semi arid typical grassland soils was lower were also explained in this paper.
     揭示了内蒙古草原土壤N2 O产生是以异养硝化作用过程为主的微生物过程 ,解释了内蒙古典型草原土壤N2 O通量较低和其季节变化的微生物学机理
短句来源
     Compared with the traditional autotrophic nitrification,heterotrophic nitrification is the process objectively,and some special kinds of heterotrophic bacteria can carry out heterotrophic nitrification and aerobic denitrification simultaneously,providing important application value to the improvement of aquaculture water quality.
     比较了异养硝化作用与传统自养硝化作用,结果表明:异养硝化作用不仅客观存在,而且某些特殊的异养细菌能同步进行异养硝化和好氧反硝化,在养殖水体水质改善方面具有广泛的应用前景。
短句来源
     Compared with the traditional autotrophic nitrification, heterotrophic nitrification is the process existed objectively, and some special kinds of heterotrophic nitrifiers can carry out heterotrophic nitrification and aerobic denitrification simultaneously, providing theoretic meaning as well as application value to the nitrogen removal in wastewater treatment.
     通过与传统自养硝化作用的比较 ,异养硝化作用不仅是客观存在的过程 ,而且某些特殊的异养菌 ,可以同步进行异养硝化和好氧反硝化 ,对于污水脱氮具有重要的理论意义和应用价值
短句来源
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  异养硝化及其
     Heterotrophic nitrification and its role in the nitrogen removal in wastewater treatment
     异养硝化及其在污水脱氮中的作用
短句来源
     The studies of Heterotrophic nitrification in denitrification
     异养硝化及其在脱氮工艺中的研究
  “heterotrophic nitrification”译为未确定词的双语例句
     Nitrogen Removal by Bacillus sp. LY with Heterotrophic Nitrification Ability
     异养硝化细菌Bacillus sp. LY脱氮性能研究
短句来源
     The heterotrophic nitrification bacteria existed in MBR system possessing SND effect of 80% was isolated and cultured; and its mortifying characteristic was studied.
     对具有80%的同步硝化反硝化(SND)效果的MBR系统中存在的异养硝化菌进行了分离培养,并对其硝化特性进行了研究.
短句来源
     The research results showed that the heterotrophic nitrification is the important microbiological process of N2O production in this kind soil.
     实验结果表明:内蒙古温带草甸草原土壤N2O产生过程以硝化作用为主。
短句来源
     3 bacteria strains isolated adopting new type heterotrophic nitrification bacteria isolating screening technique of combining the traditional microbiological method with the modern molecular biological means could utilize fully organic carbon for oxygen breath, possessed properties of heterotrophic organism and also the nitrification function of producing NOx-.
     结果表明,采用将传统微生物学方法与现代分子生物学手段相结合的新型异养硝化细菌的分离筛选方法,分离出的3株细菌可以充分利用有机碳进行有氧呼吸,具有异养生物的性质,且具有产生NOx-的硝化性能.
短句来源
     When the simulative wastewater is treated by the activated sludge system which is enhanced with the heterotrophic nitrification bacterium,total nitrogen is removed by aerobic denitrification. After 4 hours of simulation with ammonia,nitrite and nitrate as nitrogen source,the total nitrogen removal rates are 85%,60% and 70% respectively.
     用该菌株强化的活性污泥系统对以氨氮、亚硝酸盐氮、硝酸盐氮为惟一氮源的模拟废水进行处理,4 h的总氮去除率分别为85%、60%、70%。
短句来源
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  heterotrophic nitrification
Heterotrophic nitrification might be of relevance for systems, that contain a high carbon to nitrogen ratio.
      
By applying the developed MPN method, several bacterial strains of different genera not previously described to perform heterotrophic nitrification have been isolated from the soil and have been identified by bacterio-diagnostic tests.
      
A Most Probable Number (MPN) method was developed allowing for the first time estimation of populations of bacteria capable of heterotrophic nitrification.
      
Two types of chemolithotrophic nitrification but no heterotrophic nitrification were detected in the acid heathland humus.
      
In an acid coniferous soil, however, 90% of potential nitrification was unaffected by C2H2, suggesting heterotrophic nitrification is of particular significance in acid forest soils.
      
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The microbiological processes parameters related to N2O production in Chinese typical grassland soils was firstly determined by using the acetylene-inhibition method (AIM); and seasonal variations of related bacteria groups and the process in different types of the soils were analysed. Results show that the heterotrophic nitrification is the key microbiological processes for N2O production in the typical grassland soils of Inner Mongolia. Thus explain the biological mechanism of lower N2O flux and the...

The microbiological processes parameters related to N2O production in Chinese typical grassland soils was firstly determined by using the acetylene-inhibition method (AIM); and seasonal variations of related bacteria groups and the process in different types of the soils were analysed. Results show that the heterotrophic nitrification is the key microbiological processes for N2O production in the typical grassland soils of Inner Mongolia. Thus explain the biological mechanism of lower N2O flux and the characteristics of seasonal variation in the typical grassland soils.

利用AIM乙炔抑制法,首次测试了我国典型草原土壤与N2O 产生相关的微生物参数,并通过分析研究不同类型草原土壤N2O 产生的微生物过程和相关微生物菌群的季节变化,揭示了内蒙古典型草原土壤N2O产生是以异养硝化作用过程为主的微生物过程,从而解释了内蒙古典型草原土壤N2O通量较低及其季节变化特征的微生物学机理.

A laboratory incubation study on effect of grazing on microbiological processes of N 2O production in Aneurolepidium chinense grassland soils by using the acetylene inhibition method was firstly conducted and the seasonal variations of related bacteria groups and N 2O fluxes were analyzed. Results suggested that grazing behavior altered the soil structure which were benefit to microbiological denitrification so that N 2O emission from this steppe soil was reduced. It was the heterotrophic nitrification...

A laboratory incubation study on effect of grazing on microbiological processes of N 2O production in Aneurolepidium chinense grassland soils by using the acetylene inhibition method was firstly conducted and the seasonal variations of related bacteria groups and N 2O fluxes were analyzed. Results suggested that grazing behavior altered the soil structure which were benefit to microbiological denitrification so that N 2O emission from this steppe soil was reduced. It was the heterotrophic nitrification that is the key microbiological process for N 2O production in the non grazing and grazing semi arid typical grassland soils in Inner Mongolia. The reasons why N 2O flux from Inner Mongolia semi arid typical grassland soils was lower were also explained in this paper.

利用AIM乙炔抑制法 ,首次测试了我国内蒙古放牧和非放牧羊草草原土壤N2 O产生的微生物过程 ;通过分析不同类型草原土壤N2 O产生的微生物过程和相关微生物菌群的季节变化 ,研究了放牧行为对于草原土壤N2 O微生物产生过程的影响 .放牧行为改变了土壤结构 ,有利于土壤微生物反硝化作用的发生 ,在一定程度上降低了草原土壤N2 O的排放 .揭示了内蒙古草原土壤N2 O产生是以异养硝化作用过程为主的微生物过程 ,解释了内蒙古典型草原土壤N2 O通量较低和其季节变化的微生物学机理

The aim of the study is to evaluate the inhibitory effect of higher concentration acetylene on soil nitrification under straw amendment. In laboratory, the soil was added with 2% C 2H 2 and urea and incubated under aerobic condition for 108 h. CO 2 and N 2O were measured periodically and soil inorganic N was analyzed at the end of incubation. In field, two percent of C 2H 2 was added into intact soil cores different in moisture and N mineralization rate. Change in soil inorganic N content of...

The aim of the study is to evaluate the inhibitory effect of higher concentration acetylene on soil nitrification under straw amendment. In laboratory, the soil was added with 2% C 2H 2 and urea and incubated under aerobic condition for 108 h. CO 2 and N 2O were measured periodically and soil inorganic N was analyzed at the end of incubation. In field, two percent of C 2H 2 was added into intact soil cores different in moisture and N mineralization rate. Change in soil inorganic N content of each soil core was determined after 7d incubation. Under laboratory conditions, 2% C 2H 2 can completely inhibit soil nitrification. Also, 2% C 2H 2 can inhibit the mineralization of the soil organic nitrogen by 19 2% and the respiration of soil heterotrophic microorganisms to a great exfent. Under field conditions, however, the effect of 2% C 2H 2 to inhibit nitrification of straw amended soil could not be quantified in this study. The reasons for that un success might be the large variability of soil moisture and the poor consistence between compared the soil core and the treated soil core at the beginning of each incubation. The importance of heterotrophic nitrification in straw amended soil should be concerned.

本研究探讨较高浓度乙炔对秸秆还田土壤硝化作用的抑制效果。在室内条件下 ,2 %乙炔加入到施用尿素的土壤后好气培养 1 0 8h,其间测定 CO2 和 N2 O释放量 ,培养结束后测定土壤无机 N。在田间条件下 ,2 %乙炔加入到不同含水量和矿化速率的原状土柱中 ,培养 7d后测定土柱中无机 N的变化量。结果表明 ,室内条件下 ,2 %乙炔可以完全抑制土壤的硝化作用 ,对土壤有机 N矿化作用的抑制作用为 1 9.2 % ,并对土壤异养微生物的呼吸具有抑制作用

 
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