Distribution of Total Nitrogen Content and Its Relationship with Other Chemical Components in Flue-cured Tobacco

烤烟 总 氮分布特点及与其他化学成分的关系

Two alternative methods measuring total nitrogen of aquaculture pond soils named Total Ammonia Method and Nitrate Method were established .

本实验创立了二种水产养殖池塘底泥 总 氮含量简易测定法，分别称为总氨法和硝酸盐法。

Correlation of Organic Matter Total Nitrogen Phosphorus and Potassium in Paddy Soil of Xiaogan City

孝感市水稻土有机质及 全 量 氮磷钾的相关性分析

Research on the Alternatives of Non-ammonia Water in Determination of Total Nitrogen in Water Quality Analysis

水质 总 氮测定中无氨水的替代用水研究

Addition of sludge can reduce the loss of organic nitrogen and total nitrogen during MSW composting .

投加污泥有利于减少生活垃圾中有机氮和 总 氮的损失。

On-Line Automatic Digestive Technology for Total Phosphorus and Total Nitrogen in Sea Water

海水中总磷、 总 氮在线自动消解技术的研究

The results showed that straw application increased crop yield soil organic carbon accumulation soil total nitrogen and phosphorus content as well as phosphorus activation .

结果表明，秸秆还田提高了作物产量，增加了土壤有机碳积累和土壤 氮磷含量，且能活化土壤磷素。

The contents of total nitrogen had a significant positive relationship with the soil organic carbon .

人工林土壤 全氮与土壤有机碳含量之间呈显著的线性正相关。

Distribution of Organic Nitrogen and Total Nitrogen in the Surface Sediments of Pearl River Estuaries

珠江河口表层沉积物有机氮和 总 氮的分布

Spatial characteristics and impact factors of soil total nitrogen and soil organic matter in Taiyuan

太原市农业土壤 全氮和有机质的空间分布特征及其影响因素

This paper introduces the precise determination of total nitrogen in petroleum ointment drastic hydrogen denitrifying process .

介绍了蜡膏及其加氢深度脱氮过程 总 氮 含量精确定量分析方法。

Correlation between soil total nitrogen content and water content in riparian wetland

滨河湿地土壤 全氮含量及其与含水率相关性分析

There are significantly correlations between total nitrogen and total sulfur contents in garlic plants ( leaves and stems ) and the sulfur contents in the nutrient solution .

青蒜植株（叶片和假茎）中 全氮和全硫含量随着营养液硫浓度的升高而增加，呈显著正相关；

Research on Influence of Pollutant Loading and Composition on Total Nitrogen Removal in Subsurface Flow Constructed Wetland System

污染物负荷与组成对潜流 人工湿地 脱 氮效果影响研究

Has studied the Alternanthera Philoxeroides to the ultra eutrophication water body eutrophication water body total nitrogen total phosphorus elimination ability and damps the algae effect .

研究了水花生对超富营养化水体、富营养化水体的 总 氮总磷的去除能力及抑藻效果。

Forecast Model of Ratio of Total Sugar to Nicotine and Ratio of Total Nitrogen to Nicotine in Aged Flue-cured Tobacco

烤烟糖碱比和 氮碱比的 醇化预测模型研究

Experimental study on the nitrogen of total nitrogen content of soybean .

实验研究了施氮对大豆 全氮含量的影响。

Correlation between Apple Leaf Spectral Reflectance and Leaf Chlorophyll Content and Total Nitrogen

苹果叶片光谱反射率与叶绿素和 全氮含量的相关研究

Nitrogen content in soil and total nitrogen content of flue-cured tobacco and their relationships in Enshi tobacco-growing areas

恩施烟区土壤和烤烟 总 氮含量及其关系研究

Contrast to soil available nitrogen soil total nitrogen was not influenced by the environmental factors .

而优势物种和功能 群组成对土壤 全氮的影响作用相对较弱。

In addition the content of total nitrogen was increased and soluble protein was decreased under the shading condition .

遮光处理同样引起 氮代谢相关指标的变化，使 全氮含量增加，可溶性蛋白含量降低。

Spatial Variability and Distribution of Soil Total Nitrogen and Organic Matter in Medium and Large Scales in Rubber Plantations

中大尺度下橡胶园土壤 全氮和有机质含量的空间分布特征

The methods for determining total nitrogen and basic nitrides content in diesel oil are described .

介绍了测定柴油中 总 氮及碱性氮含量的各种方法。

Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content .

秸秆还田增加了土壤 全氮和无机氮含量。

Carbohydrate is found in sugar Organic carbon and total nitrogen in bed load had enrichment phenomenon .

碳水化合物富含于糖推移质中有机碳和 全氮均有富集现象。

Temporal-Spatial Variation of Soil Organic Matter and Total Nitrogen in Rubber Plantations in Yangjiang State Farm

国营阳江农场橡胶园土壤有机质与 全氮时空变异分析

Litterfall could evidently improve soil fertility increase organic matter and total nitrogen but decrease the total phosphor .

凋落物能明显改善土壤肥力，增加土壤有机质及 全氮 的 含量，但与土壤全磷呈现负相关关系。

Determination of total nitrogen content for compound fertilizers & Titrimetric method after distillation

GB/T8572-1988复混肥料中 总 氮含量测定蒸馏后滴定法

Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate & Titrimetric method after distillation

GB/T10209-1988磷酸一铵、磷酸二铵中 总 氮含量测定蒸馏后滴定法

In the determination of total nitrogen in water sample by flow injection analysis instrument the concentration of sulfuric acid which used for the preservation of sample affected the result .

用流动注射仪测定 总 氮水样，发现用 不同的硫酸浓度保存 总 氮样品时，对其测定结果有一定的影响，并与过硫酸钾氧化-紫外分光光度法进行比对和分析。