无机氮

长江口滨岸湿地无机氮界面交换通量量算

Calculation of Inorganic Nitrogen Fluxes in the Yangtze Estuary Tidal Wetland

土壤包气带土体无机氮的吸附与微生物作用影响试验方法

The Experimental Methodological Research on the Adsorption of Inorganic Nitrogen and the Effect of Microbe Action in the Soil of Unsaturated Zone

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 .

~（15）N标记有机无机氮在莴苣设施土体系中的转化与分配

Transformation and distribution of ￣( 15 ) n-labeled rice straw and inorganic nitrogen fertilizer in head lettuce-greenhouse field system

6月Cu分布与无机氮再生循环关系密切。

The contribution of Cu in June relates closely to the regeneration cycle of inorganic nitrogen .

黑麦秸秆对土壤中无机氮转化和N2O、CO2释放的影响

Effects of Rye Straw on Nitrogen Transformation in Soil , N_2O and CO_2 Evalutions , and Soil pH

加入碳源有利于渗滤液COD的降解，但加入无机氮源使COD的去除率降低。

Carbon source has positive effect on leachate degradation , while nitrogen source negative .

总无机氮（TIN）的去除率分别为629%（高浓度环境）和388%（低浓度环境）；

TIN removal rates of high and low concentration environment were 62.9 % and 38.8 % , respectively .

土壤无机氮的生物固定对减少N素损失，提高N肥利用效率和保护环境具有积极的作用。

The biologic fixation of soil inorganic nitrogen also plays positive roles in decreasing lose of nitrogen , increasing efficiency of nitrogen fertilizer and protecting environment .

测定秸秆和土壤有机质分解过程中CO2释放量、土壤微生物量和土壤无机氮含量变化，探讨土壤有机质和秸秆分解的规律。

The mechanism of Soil organic matter and wheat straw decomposition were discussed through the accumulated CO2 , microbial biomass and inorganic nitrogen content .

本研究通过培养试验探讨了添加黑麦秸秆对土壤中无机氮的形态转化和N2O、CO2释放的影响。

The research was carried out to understand effect of application of rye straw on transformation of inorganic nitrogen in soil , and on N2O and CO2 emissions .

由于废糟液直接全循环使用增加了系统缓冲性，pH调节的氨水消耗减少，发酵液中无机氮监测结果低于对照组。

Inorganic nitrogen in the broth was detected to be lower when distillage was recycled because the system 's buffering was improved and ammonia water consumption for pH adjustment was decreased .

研究结果表明，黑麦秸秆的添加量及培养时间对土壤中N2O、和CO2释放量、N2O/CO2比值和无机氮形态转化均有明显影响。

The results indicated that N2O and CO2 emissions , N2O / CO2 ratio , and inorganic nitrogen transformation were related to the applied amount of rye straw and the incubation time .

涉及溶解无机氮（DIN）、磷酸盐（PO（4-）P）、浮游植物、贝类、有机碎屑和溶解有机态营养盐6个状态变量。

In the model , 6 state variables ( DIN , PO4-P , phytoplankton , scallop , organic detritus , and dissolved organic nutrients ) were included .

相关分析表明，8种植物凋落物中TSN、SON、无机氮和全氮之间相关性达极显著水平。

Correlation analysis showed that there were significant differences between TSN , SON , Inorganic N and TN in eight plant residues .

秩相关系数趋势预测表明：除COD有下降趋势外，其他主要污染物均有逐年上升趋势，且无机氮的上升趋势最为显著。

The forecast trend of the order correlation shows that the main pollutants except COD have the upgrade trend and the trend of the inorganic nitrogen is the most notable .

22个点位监测结果表明，大辽河口及辽东湾海域溶解氧与COD、无机氮、活性磷酸盐之间存在负相关关系；

In this paper , according to the results of 22 water quality monitoring spots , the positive correlation of DO to COD , inorganic nitrogen and reactive phosphate has been found .

无机氮输入（施氮肥和大气N沉降）对土壤CH4氧化作用的影响取决于甲烷氧化菌类型、输N种类和量以及土壤状况。

The effects of N inputs , including N fertilizer applications and atmospheric N depositions , on CH 4 oxidation by soils were determined by CH 4 oxidizing bacteria , N inputs and soil factors .

此外，还研究了CdS掺杂比例，反应液中不同价态的无机氮对复合催化剂中CdS光腐蚀程度的影响。

Also studied was photo corrosion of the CdS in catalyst , which varied as the ratio of CdS to TiO_2 changed and influenced by the different inorganic nitrogen forms .

水质检测结果显示酸度正常，重金属、P、总无机氮、溶解氧符合一类水质标准，COD属于三类水质标准。

The detection results showed : the pH is normal , heavy metals , P , the total inorganic nitrogen and DO accord with class I water quality standard , COD belongs to the class III water quality standard .

尿素和KNO3对水稻土无机氮转化过程和产物的影响Ⅰ无机氮转化过程

Effects of urea and kno_3 on processes and products of inorganic nitrogen transformation in paddy soils I.PROCESSES of inorganic nitrogen

结果表明，3个生态系统土壤无机氮库（包括NH+4N和NO-3N）及净N矿化与硝化速率都存在明显的季节变化；

The results showed that there were apparent seasonal changes in the inorganic N pools ( including NH + 4_N and NO - 3_N ) and net N mineralization and nitrification rates in the three sites .

本研究以无机氮作为目标污染物，利用溶胶-凝胶法制备的掺杂金属离子的纳米TiO2和耦合光催化氧化还原反应来脱除水中无机氮作为研究的主要内容。

This research aimed at removal of inorganic nitrogen ( the target pollutant ) from water using photocatalysis and metal ion doped nano - TiO_2 , that were prepared by a sol-gel method .

同时添加无机氮、磷、钾肥可显著降低生物复混肥中的活菌数，无机氮、磷、钾较适宜的添加配比（w）为4%N+4%P2O5+4%K2O。

The numbers of living microbes were remarkably reduced by adding N , P , K inorganic fertilizer simultaneously , and the suitable proportion of inorganic N , P , K fertilizer was 4 % N , 4 % P_2O_5 and 4 % K_2O .

DIN的含量较高，超过国家三类海水的水质标准。胶州湾海水中无机氮的分布与富营养化研究

The content of dissolved inorganic nitrogen ( DIN ) was higher than the third-class seawater standard in China . Study on Dissolved Inorganic Nitrogen Distributions and Eutrophication in the Jiaozhou Bay

根据1998年10月和1999年1月、4月、8月的调查资料，对北海湾无机氮的特征分布及其与环境因子（pH、DO、盐度和叶绿素a）之间的关系进行了初步探讨。

Based on the quarterly investigation materials from Oct. 1998 to Aug. 1999 , a preliminary probe into the characteristic distribution of inorganic nitrogen in Beihai bay and its relationship to the environmental factors ( including pH , DO , S and chlorophyll a ) were carried out .

以胶州湾为例，2007年胶州湾海域14个监测点位中，劣四类海水水质的点位占监测点位数的42.8%，其主要污染物包括：活性磷酸盐、无机氮以及COD等。

Take Jiaozhou Bay for example , worse than grade IV sea water quality monitoring points accounted for 42.8 % in 14 monitoring sites of Jiaozhou Bay in 2007 , active phosphate , inorganic nitrogen and COD is included in the main pollutants .

沉积物间隙水中主要无机氮为NH4-N和NO3-N。

NH 4 - N and NO 3 - N are the main form of inorganic N in pore water of surface sediments .

常规稻田无机氮主要分布在0～20cm土层，旱种稻田则主要分布在0～40cm土层。

The inorganic N of paddy field was concentrated on 0 - 20 cm soil layer , however that of rice upland on 0 - 40 cm soil layer .

采用溶胶-凝胶法制备了掺杂Ce3+、La3+、Ag+、Fe3+的TiO2光催化剂，以考察其薄膜和粉体形式对水中无机氮的光催化去除效果和活性。

Titanium dioxide photo-catalysts doped / co - doped with Ce3 + , La3 + / Ag + / Fe3 + by using the sol-gel method were prepared and tested to evaluate their photo-catalytic activities on nitrogen removal from solution which contained ammonium and nitrite .