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- 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。
- Real-Time Analysis of Soil Moisture, Soil Organic Matter, and Soil Total Nitrogen with NIR Spectra 基于近红外光谱的北方潮土土壤参数实时分析
- Effects of Land Use on Soil Total Nitrogen and Phosphorus in Different Densely Populated Village Landscapes 不同区域人口密集的乡村景观中土地利用对土壤氮磷的影响
- soil total nitrogen ( STN) 土壤全氮（STN）
- soil total nitrogen 土壤全氮
- Determination of total nitrogen (Kjeldahl). 英文名称： Soils quality.
- Topdressing nitrogen treatment had no obvious effect to total nitrogen in soil, but it had a stronger effect to alkalined-nitrogen. 追氮处理对土壤全氮没有明显的影响，但对土壤大麦碱解氮的影响比较大。
- The total nitrogen and the chlorophylls a concn.had certain relativity. 总氮和叶绿素浓度有一定的相关性;
- Organic matter, total nitrogen, total phosphorus and total potassium content was higher than barren sand, increasing by 1.78, 1.97, 1.64, 1.14 times, it showed Salix psammophila checkerboard improved fertility condition of soil. 设置沙柳沙障后沙丘土壤有机质含量是对照地的1.;78倍，全氮含量是对照地的1
- Transportation of total nitrogen is meanly effected by precipitation, irrigation, rate of fertilizer application of agriculture, permeability of soil and thickness of unsaturated zone et al. 总氮的迁移主要受到大气降水、灌溉水、农业施肥量、土壤的渗透性以及包气带厚度等因素的影响。
- The soil nutrient of Karamay was analyzed with 7 indexes of organic matter,total nitrogen,total phosphorus,total potassium,hydroly N,available P and available K as evaluation indexes. 分析测试了克拉玛依中心城区不同类型园林绿地23个样地的土壤养分状况,分析克拉玛依区绿地土壤有机质、全氮、全磷、全钾、有效氮、有效磷和速效钾的含量及分布异质性。
- The methods for determining total nitrogen and basic nitrides content in diesel oil are described. 摘要介绍了测定柴油中总氮及碱性氮含量的各种方法。
- Total Nitrogen in Lubricating Oils by Modified Kjeldahl Method, Method of Test for (05. 用改良的基耶达法测定润滑油中总氮量的试验方法(05。
- Soil total organic carbon(STOC) under broad-leaved and bamboo forest were considerately higher than (P<0.05)those under masson pine and Chinese fir. 结果表明:土壤总有机碳含量常绿阔叶林和毛竹林显著高于杉木林和马尾松林。
- But because the tests detect total nitrogen, from both protein and nonprotein alike, they do not truly measure protein. 但这些测试方法检测的是来自蛋白质和非蛋白质的全部氮含量，而不是真的直接测量蛋白质。
- The total nitrogen content of compound fertilizer have been studied using the Kjeldahl Method. 摘要采用凯氏定氮法，对复合肥料总氮含量进行了测定研究。
- The chroma,the total nitrogen,the total acid,pH,alcoholicity,diacetyl and CO2 of the product beer were close to that of Zhujiang beer. 总氮、色度、pH、总酸、酒精度、双乙酰、CO2与所测的珠江啤酒的指标接近。
- The experiment indicates that the ammonia nitrogen content in the synthesized CNN is 22.78%,and its total nitrogen content comes to 35.08%. 实验表明;合成的CNN中氨态氮含量22.;78%25;总氮含量35
- Total nitrogen content decreased gradually (upper: Y= -0.0026X2 -0.0327X+5.0258,R2=0.952*; middle leaf: Y=-0.0027X2-0.0034X+3.9486, R2=0.9801**). 淀粉呈现出上部叶增加（Y=0.;011X2-0
- The results show that soil total P (P T), inorganic P, organic P, Olsen P and Bray P are high in MNPK, 1.5 (MNPK), MNPK (Soybean) and M treatments, followed by NP, PK, NPK, and SNPK treatments, and low in the treatments without P (N, NK and CK 2). 结果表明 :长期施磷 ;特别是磷肥和有机肥配合施用能明显提高土壤全磷 (PT)、无机磷、有机磷、Olsen- P和 Bray- P含量 .
