The N in the SOM existed mainly in the form of organic nitrogen, and the soil C:N was significantly correlated with SOM.
土壤中的氮素主要以有机氮的形式存在于土壤有机质中， 土壤碳氮比与有机质含量显著相关。
This testified that the main composition of TN is organic n.
证明全氮的主要成分是有机氮。
Results from sterile experiment for rice organic N nutrition showed that amino acid could be directly taken up by plants.
用此无菌培养试验法进行的水稻有机氮营养试验证明，水稻能直接吸收根际营养液中的氨基酸。
Soil magnetism of the plough layer is in relatively good correlation with organic carbon and P but shows a rather poor correlation with N and K.
耕作层的土壤磁化率与有机碳、磷含量具有较好的相关性，而与氮、钾含量相关性较差。
It also shows that the growth of plantation is greatly affected by the content of soil nutrients specially total n, total K and soil organic matter.
林分生长与林地土壤中全n、全k以及有机质等养分的含量显著相关。
The field experiment was conducted to study the effect of organic N and mineral N combined application proportion in greenhouse celery production.
研究了田间试验条件下有机N与无机N不同配比对温室芹菜生产的影响。
Undigested dewatered domestic sewage sludge from secondary treatment plant contained N 4.12%, of which organic form of N accounted for 93%.
未经消化的二级生活污水处理厂脱水污泥含氮4.12%，其中有机态氮占93%。
A novel metal chromium containing organic monomer, N vinylcarbazole chromium tricarbonyl has been synthesized and the structure has been confirmed by elemental analysis, IR and 1H NMR spectra.
合成一种新的金属铬有机单体N -乙烯基咔唑三羰基铬，经元素分析、IR和1H NMR确证和表征。
The sustainability index indicated that, the sustainability of soil N was much more dependent on chemical fertilizer input, while P and K were relied on organic fertilizer.
之间；通过可持续性指数的分析得出，土壤N素养分的可持续性对化肥的依赖性较大，而P、K养分的可持续性则对有机肥的依赖性更高。
In this paper the growth and properties for new organic nonlinear optical crystal N-(4- nitrophenyl)-3-amino-1- propanol(APNP )are reported.
本文首次报道了新型有机非线性光学晶体N-（4-硝基苯）-3-氨基-1-丙醇（APNP）的单晶生长和非线性光学性能研究。
Also, irrigation had no obvious effect on the contents of mineral n, organic matter and total n, but it was beneficial to the mineralization of organic n.
灌水对土壤矿质氮、有机质和全氮含量无显著影响，但有利于土壤有机氮的矿化。
The reasonable sampling numbers for soil organic matter, total N and total P were 24,34 and 10 respectively.
取样间距对合理取样数目具有一定的影响，合理取样数目分别为：有机质（24）、全氮（34）、全磷（10）。
The spatial variability of organic matter, available N, and available K was mainly caused by structural factors and that of available P was primarily caused by random factors.
有机质、水解氮和速效钾的空间变异主要是由结构性因素引起的，速效磷的空间变异是由随机因素引起的。
Results show that the proper application of black liquor of papermaking can improve the soil properties and increase the contents of organic materials, N and K in soil.
结果表明，造纸黑液适量施用能改善土壤物理性状，增加土壤有机质含量和氮、钾含量；
When used to treat wastewater composed NH4+-N and organic carbon source, the nitrifying activated sludge pellets and the activated sludge pellets can also produce SND phenomenon in a certain extent.
当处理有机氨氮废水时固定化硝化污泥颗粒和固定化活性污泥颗粒均可实现一定程度的单级生物脱氮。
The results Showed that soil organic matter increased 0.023% after the synthetical amelioration method was used to it. The total N increased 0.087%.
结果表明，采取改垄向、带状间作、机械灭茬、增施农肥、配方施用化肥等综合培肥措施后，土壤有机质净积累0．023％，全氮净积累0．087％。
In this article, we focus our research on iodobenzene diacetate applied in the syntheses of N-containing heterocycles and elementary organic reactions.
本论文主要研究了二醋酸碘苯在含氮杂环化合物的合成及有机基元反应中的应用。
Soil organic matter, soil porosity, availible N, Zn, Fe, Mn and enzyme are all positively related to the amount of straw applied remarkably, while soil specific weight is negatively correlative.
土壤有机质、孔隙度、速效氮、锌、铁、锰、酶活性等理化指标与秸秆还田量呈显著正相关；
N-acetyl amines, as an important kind of organic intermediate, are applied widely in the production of medicines, pesticides, fine-chemicals and military affaires.
乙酰芳胺是一类非常重要的有机中间体，在医药、农药、精细化工、军事等领域应用广泛。
In the continual observation, size-fractionated dissolved organic N and P had similar trend with their inorganic counterparts.
在连续观测中，各形态溶解有机氮、磷的变动趋势与无机态较为接近。
Sewage Sludge on the Contents of Organic Matter, Total n, Total P, and Total K in Calcareous Immature Soil and Calcareous Mellow Soil.
通过盆栽试验研究了不同用量污泥对石灰性生土和熟土有机质和全氮、全磷、全钾含量的影响。
The vertical transport of nitrate-N was also affected by the soil bulk density and the organic matter content.
土壤容重和有机质含量对硝态氮的垂直运移有很大的影响；
The results indicated that the soil organic matter and total N of 26-year-old PBCA stand increased. the activities of soil biochemistry strengthened. the amount of available nutrient supply enhanced.
得出结果：26年生杉阔轮栽模式土壤有机质和全N含量增加．土壤生化活性加强．土壤速效养分供应量增强；
Tri-n-butyl tin hydride is, a univenal organotin reagent in organic synthesis.
三（正）丁基氢化锡是有机合成中常用的有机锡试剂。
The distribution and desorption (dissolution) rate of inorganic and organic fractious in soil EUF-total N (EUF-N_T) are quite different from those in EUF-P_T.
旱地土壤电超滤-氮和磷中无机与有机组分的分配和解吸溶解动态有很大的不同。
N-heterocyclic carbene metal complexes have catalytic activities for many organic reactions, and they are a type of catalyst with potential value.
杂环卡宾金属络合物对许多反应有催化作用，它们是一类有潜在应用价值的催化剂。
N-phthaloyl chitosan is able to form cholesteric liquid crystalline phase in concentrated solutions of some organic solvents, including DMF, DMSO, DMAc and pyridine.
邻苯二甲酰化壳聚糖在多种常见有机溶剂中能形成胆甾液晶相。
N-phthaloyl chitosan is able to form cholesteric liquid crystalline phase in concentrated solutions of some organic solvents, including DMF, DMSO, DMAc and pyridine.
邻苯二甲酰化壳聚糖在多种常见有机溶剂中能形成胆甾液晶相。
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