1.
Study on N,P,K Nutritional Characteristics of Plugseedling Scarlet Sage and the Effects of Controlled Release Fertilizer
一串红穴盘苗N、P、K营养特性与控释肥效应研究
2.
Studies on Assignment of N、P、K、Ca、Mg in Orchard Ecosystems;
果园生态系统营养元素N、P、K、Ca、Mg分布的研究
3.
Effect of Se Application on Contents of Nitrogen,Phosphorus and Potassium in Tartary Buckwheat and Content of Available Nutrients in Soil
施硒对苦荞N,P,K营养元素和土壤有效养分含量的影响
4.
Nutrient(N,P,K)back-flowing before leaves withering in many common tree species in Guanzhong area of Shaanxi
陕西关中地区常见树种落叶前N、P、K养分回流现象的研究
5.
Studies on Nitrogen and Phosphorus Removal with Attached Algae;
利用着生藻类去除N、P营养物质的研究
6.
Nutritional Niche of Prorocentrum Donghaiense on N,P,Fe,Mn;
东海原甲藻的N、P、Fe、Mn营养生态位研究
7.
Establish of Cucumber in Greenhouse Formula Model on Balanced Fertilization of N.P and K;
温室黄瓜配方施肥N、P、K模型构建
8.
Construction of Mathematic Model for Bitter Gourd Balanced Fertilization
苦瓜N、P、K配方施肥数学模型的建立
9.
Study on Release and Leaching of N, P, K from Sewage Sludge Applied in Red Soil
红壤中污泥N、P、K释放及淋溶研究
10.
Influence of Selenium Application on the Contents of N、P、K in Soybean Plant
施硒对大豆植株中N、P、K含量的影响
11.
The Equation∑（－1）~ia~ix~(n－1－i)＝0 over the Field with p~k(p≥3) Elements;
P~k(P≥3)元域上的方程∑(-1)~ia~ix~(n-1-i)=0
12.
Monitoring on Winter Wheat N, P Nutrition and Rice Pb Pollution Based on Canopy Multi (Hyper)-Spectrum;
基于冠层光谱的冬小麦N、P营养和水稻Pb污染监测研究
13.
Effects of Irradiance, Nitrate and Phosphate on Growth of Phytoplankton in Changjiang Estuary;
光照和N、P营养盐的共同作用对长江口浮游植物生长的影响
14.
Effect of Nitrogen and Phosphorus Concentrations on the Growth of Haematococcus Pluvialis in Mixed Cultivation
N、P营养水平和株间接种比例对雨生血球藻生长的影响
15.
p-n-p-n transistor
p-n-p-n 晶体管
16.
The Absorption of Nitrogen(N), Phosphorus(P) and Potassium(K) and Fertilizing Technology Research of Castor (Ricinus Communis L.) in Red Soil Districts of Yunnan Province;
云南红壤上蓖麻的N、P、K吸收与施肥技术研究
17.
Study of Nutrients Balance of Semi-arid Ecosystem in Loess Plateau;
黄土高原旱地农田生态系统N、P、K平衡研究
18.
Effects of BPH and Pesticide on Nutrient Uptaking Function of Rice Root to Nitrogen, Phosphorus and Potassium;
褐飞虱与农药对水稻根系吸收N、P、K的影响