1.
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
2.
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
3.
Effects of the Final and Different Stage of Nitrogen Application on the Nitrogen Distribution and Using Efficiency of Sugarcane;
不同施氮时期和施氮终止期对甘蔗氮素吸收分布影响的研究
4.
Effect of Different Nitrogen Fertilizer Levels on Vertical Distribution of NH_4~+-N and NO_3~--N in Rubber Plantation Soil
施氮量对橡胶园土壤铵态氮和硝态氮垂直分布的影响
5.
Responses of roots distribution and nitrogen content of summer maize to nitrogen fertilization types and amounts
夏播玉米根系分布与含氮量对氮肥类型与施氮量的响应
6.
Test method for barium film distribution of nitrogen-doped getter
GB/T9506.6-1988掺氮吸气剂钡膜分布测试方法
7.
Distribution and Expression of NOS in Rat Cochlea
大鼠耳蜗一氧化氮合酶的分布和表达
8.
Distribution Characteristics of Nitrogen and Phosphorus Pollution in the Surface Water Source of Shijiazhuang City
石家庄市地表水源氮、磷污染分布特征
9.
Comparison of Dissolved Oxygen Distribution and Nitrogen Removal Effect in Wetlands with Different Structures
不同构型湿地氧分布及脱氮效果对比
10.
Study on the Spatial Distribution of Leaf N Content and SPAD Value in Cotton
棉花氮素和SPAD值叶位分布规律研究
11.
The Forms and Distribution of Nitrogen in the North of Yellow Sea in Summer 2006
2006年夏季北黄海海域氮的形态和分布
12.
Spatial distribution of nitrogen species in sediment of lakeside zone of Lake Dianchi
滇池湖滨带沉积物氮形态的空间分布
13.
Distribution and Relationship of Nitrogen Content in Flue-cured Tobacco Leaf and Soil in Sanmenxia Tobacco Districts
三门峡烟区烤烟总氮与土壤氮素含量的分布特点及关系分析
14.
Temporal and Spatial Distribution of Leaf Nitrogen/Carbon and Its Relationships with Nitrogen Utilization Efficiency in Winter Wheat;
小麦冠层氮/碳时空分布特征及与氮素利用效率的关系
15.
Studies on Nos Positive Neurons Distribution and Nos Activities in Rabbit Brain;
兔脑一氧化氮合酶阳性神经元分布及一氧化氮合酶活性的研究
16.
Effects of NH_4~+/NO_3~-ratio on nitrogen distribution,photosynthetic parameter and yield of potato
不同形态氮素比对马铃薯氮素分布、光合参数及产量的影响
17.
Effects of nitrogen fertilization application and faba bean/maize intercropping on the spatial and temporal distribution of soil inorganic nitrogen
施氮量和蚕豆/玉米间作对土壤无机氮时空分布的影响
18.
Spatial Distribution Patterns of Nitrate Nitrogen and Ammonia Nitrogen in Typical Calamagrostis Angustifolia Wetland Soils of Sanjiang Plain
三江平原典型小叶章湿地土壤中硝态氮和铵态氮的空间分布格局