有机氮

天然水体沉积物中有机氮的研究进展

Advances of Study on Organic Nitrogen Sediment Water Interface

土壤溶液中的有机氮被认为是林地生态系统氮素流失的主要形态，并且微生物和植物均可以直接或间接吸收利用SON，因此，SON在林地生态系统氮素循环中具有重要作用。

The SON is the potential source of dissolved organic nitrogen ( DON ), and DON is considered as the main N forms losing from forest ecosystems .

与有机氮相比，降解柴油的微生物更倾向于利用无机氮作为生长的N源。

Compared with the organic nitrogenous , the microorganism is favor to using inorganic nitrogen as N source .

去除DOM对不同土壤有机氮矿化的影响不同。

The effects of DOM removal on the mineralization of soil organic N were different .

从各有机氮源氨基酸组成角度入手，运用聚类分析方法研究氮源氨基酸组成对CA发酵的影响。

Cluster analysis method was used to analysis the effect of amino acid composition of different nitrogen sources on the CA biosynthesis .

本文探讨了K2S2O8氧化离子色谱法测定有机氮的实验条件，考察了淋洗剂离子价态及淋洗剂总离子强度对低浓度NO3~-与高浓度SO4~2-分离的影响；

In this paper , the experimental conditions for determining the organic nitrogen by K_2S_2O_8 oxidized-ion Chromatographic method are discussed .

有机氮在ABR厌氧反应器中发生氨化反应，出水氨氮值较高。

ABR anaerobic reactor in organic nitrogen occurred amination reaction , the higher value of the effluent ammonia .

阐述了人为调控模式施肥制度，其MN可达到0.581，有机氮再循环系数（H）接近1。

It is expounded that the MN will be able to reach 0.581 and the recycling coefficient of organic nitrogen ( H ) will be able to near 1 when fertilizer spreading system by artificial controlled is implemented .

研究了农田和日光温室2个生态系统土壤中可溶性有机氮（SON）的含量及施肥和栽培模式对其含量的影响。

The contents of soluble organic nitrogen ( SON ) in soils of farmland and sun-light greenhouse as well as the effects of nitrogen fertilizr and different cultivation ways on SON contents in the arable soils were studied .

S1能够利用多数常用的有机氮源物质和无机态氮，以蛋白胨、亚硝酸钠为氮源时生长较好。

Auxanographic analysis of its carbon and nitrogen source showed that S_1 could use organic carbon source as well as organic and inorganic nitrogen source .

实验发现，上覆水和表层间隙水中形态营养物Fe（Ⅱ），NH4＋－N和溶解性有机氮含量在SOD实验前后有很大变化。

The formal nutrient contents , such as Fe (ⅱ), NH4 + - N and dissolved organic nitrogen , were observed to change apparently in the overlying water and superficial interstitial water during the experiments .

高山森林土壤中有机氮的NK-edgeXANES分析

N K-edge XANES analysis of soil organic N from high mountain forests

溶解性有机氮乙酰胺氯化生成饮用水THMs的影响因素研究

Factors Affecting Formation of THMs During Dissolved Organic Nitrogen Acetamide Chlorination in Drinking Water

DOM中溶解性有机氮（DON）、水溶性糖、有机酸种类及其含量的动态变化结果表明：不同分解阶段DOM的化学组成有差异，且因有机物料种类不同而不同。

The dynamic changes of DON , water soluble sugars and organic acids suggested that different plant types could vary greatly in the composition and concentration of DOM released during decomposition course .

应用15N示踪法探讨了春小麦对有机氮的吸收利用问题。

The study on absorption and utilization of organic nitrogen on spring wheat has been done by 15N trace method The .

各施肥处理土壤中可溶性有机氮（DON）与TDN含量变化趋势相似。

Dissolved organic nitrogen ( DOC ) for all treatments kept the similar trends with TDN .

TDN和DON与叶绿素也呈负相关关系，但是相关性并不明显，尤其是5月赤潮爆发期，没有显著的相关性，可能是赤潮爆发期有机氮被快速的循环消耗掉了。

TDN and DON were also inversely correlated with chlorophyll , but not obvious , especially in May .

水生植物主要通过改变硝化/反硝化进程、自身代谢和化学沉降速率影响NH3、NOx、有机氮和总磷的去除。

Hydrophytes affected the removal of NH3 , NOx , total phosphorus and organic nitrogen through influencing rates of various mecha - - nisms , especially nitrification-denitrification , chemical precipitation and metabolism of algae .

一级动力学方程（Onepool模型）能很好地描述棕壤（0～60cm土层）有机氮的矿化过程，且由Onepool模型拟合得出的矿化参数能够表达土壤有机氮的矿化特征。

First-order kinetic equation ( One pool model ) could preferably described the mineralized process of brown soil ( 0 ~ 60 cm soil layer ) organic N , and the parameters which were fitted by one pool model expressed the mineralization characteristics of soil organic N.5 .

通过有机氮磷农药测定的样品前处理技术圆盘固相萃取、GC/MS的测定技术选择离子跳变扫描SIM的应用研究，建立了水体中有机氮磷的分析测定方法。

An analytical method of determining nitrogen and phosphorous pesticides in water ! was proposed by studying the pretreatment technique of SPE disks and the determination technique of GC / MS / SIM .

模拟结果显示：浮萍塘中氮的去除主要通过硝化/反硝化作用实现，而有机氮沉降以及氨氮挥发作用对TN去除贡献仅为2.1%。

The simulated results show that nitrification and denitrification were the major removal pathways for nitrogen in duckweed pond , and the removal contributions of organic nitrogen sedimentation and ammonia volatilization for total nitrogen removal were less than 2.1 % .

本文旨在研究长期不同施肥处理对稻田土壤MBN和酸解有机氮（AHON）及其组分的影响。

The influence of long-term fertilization on MBN and acid hydrolysable organic nitrogen ( AHON ) fractions in paddy soil were studied .

即适当外源氨氮浓度下，沉水植物通过增加沉积物蛋白质和氨基酸等含量，提高了沉积物有机氮的生物有效性。（2）区域湖泊沉积物DOM特性差异。

The results indicated that the increase of the content of protein and amino acid resulting from extraneous NH4 + - N submerged plants enhanced the bioavailability of dissolved organic nitrogen in sediments . ( 2 ) The difference of fluorescent characteristics of DOM in lake sediments .

通过单因素实验初步确定了菊芋汁为碳源，蛋白胨为有机氮源，（NH4）2HPO4为无机氮源。

Jerusalem artichoke juice was the sole carbon source . The peptone and ( NH4 ) 2HPO4 as nitrogen sources were found to be most suitable ones for inulinase production by single factor experiment .

3种水稻土在去除DOM后，土壤有机氮的累积矿化量显著下降，降幅为11.2%～18.3%（平均12.9%），而旱地红壤仅下降7.6%，与原土没有显著差异。

The cumulative mineralization of soil organic N in paddy soils after DOM removal decreased significantly ( 11.2 % - 18.3 % ) with an average of 12.9 % . Compared with paddy soils , the cumulative mineralization of red soil organic N in upland only decreased by 7.6 % .

与1991年相比，氮同位素组成指示地下水NO-3的主要来源已由当时矿化的土壤有机氮变为现在的动物粪便或污水；

Compared with that in 1991 , nitrogen isotopic compositions indicated that the major sources of NO 3 in groundwater changed from mineralized soil organic nitrogen at that time to animal wastes or sewage at present .

结果表明，不同土层土壤有机氮的矿化累积量均随温度、水分含量升高而增加，各土层增幅的大小顺序为030cm>3060cm>6090cm。

The results showed that N mineralization accumulation quantity of all soil layers increased with the increase of temperature and water content , in the order of 0 30 cm > 30 60 cm > 60 90 cm .

不同轮作施肥对土壤有机氮分解特征的影响

Effects of Long-term Rotation and Fertilization to Mineralization of Soil Organic-N

固相释放出的蛋白质和有机氮大部分被无机化；

Protein and organic nitrogen released from solids are mostly mineralized .

证明全氮的主要成分是有机氮。

This testified that the main composition of TN is organic N.