phosphorus nitride

Based on the long-time location exeriments,accumulation and distribution of available sulfur in soil of different cropping systerms under the condition of 22 years continuous application of NP chemical fertilizer in Loess Plateau were studied.以22 a定位试验为基础,在黄土高原旱地研究了长期施用氮磷化肥,对不同种植体系土壤有效硫在剖面上分布与累积状况。WlI汉语字典

Therefore,study on the dynamics of nitrogen and phosphorus in water and soil layer affected by fertilization on Chengdu Plain paddy field,it has an important reality meaning to fertilization reas.因此,研究施肥对成都平原稻田土、水层氮磷变化特征的影响,对于合理施肥,控制稻田氮、磷流失,保护生态环境具有极其重要的现实意义。WlI汉语字典

Study on Transformation of Carbon, Nitrogen and Phosphorus in Soil-water-plant System in Wetland of Liangzi Lake;梁子湖湿地土壤—水—植物系统碳氮磷转化研究WlI汉语字典

Effects of Rapeseed Cake on Biological Activities and Transformations of Nitrogen and Phosphorus in Soil菜籽饼对土壤生物活性和氮磷转化的影响WlI汉语字典

Effect on Animal Manure Composting and Transformation of Nitrogen and Phosphorus with Different Aeration Control Modes;通风控制方式对动物粪便堆肥过程和氮磷转化的影响WlI汉语字典

Study on Transformations of Carbon, Nitrogen and Phosphorus during Dairy Manure Fermentation;牛粪发酵过程中碳、氮、磷转化研究WlI汉语字典

Effects of Transformation of Iron Oxides on Phosphorus Saturation and Release of Phosphorus and Nitrogen in Flooded Paddy Soils;水稻土淹水过程铁氧化物转化对磷饱和度和磷、氮释放的影响WlI汉语字典

Relationship between Biologic Factors and N & P Transformation and Losses in Paddy Fields;主要生物因子与稻田氮、磷转化及流失的关系WlI汉语字典

Experimental Study on Kinetics of Gaseous Dephosphorization from Converter Slag under Flow Nitrogen Conditions;流动氮气条件下转炉渣气化脱磷动力学研究WlI汉语字典

Study on Retaining and Transformation of N and P in Bamboo Riparian Buffer Zone竹林河岸带对氮磷截留转化作用的研究WlI汉语字典

Review of diversion and morphological change of nitrogen and phosphorus between lake and aquatic-terrestrial everglade湖滨湿地氮磷的转化及其归趋研究进展WlI汉语字典

Nitrogen and Phosphorus Removal Characteristics of Denitrifying Polyphosphate-accumulating Organism C18反硝化聚磷菌C18脱氮除磷特性研究WlI汉语字典

Study of Ni-P Alloy Electroless Plating on Boron Nitride Particles氮化硼微粒化学镀镍-磷合金工艺研究WlI汉语字典

Removal of Nitrogen and Phosphorus from Municipal Sewage Using DPBs利用反硝化聚磷菌实现城市污水的脱氮除磷WlI汉语字典

Factors Influencing Anaerobic Phosphorus Release in A_2N Denitrifying Phosphorus and Nitrogen Removal ProcessA_2N反硝化脱氮除磷工艺厌氧释磷的影响因素WlI汉语字典

CHANGES IN [N], [P] AND SPECIFIC LEAF AREA OF GREEN LEAVES OF LEYMUS CHINENSIS ALONG NITROGEN, PHOSPHORUS AND WATER GRADIENTS羊草绿叶氮、磷浓度和比叶面积沿氮、磷和水分梯度的变化WlI汉语字典

Effect of Electroacupuncture on Hippocampal NO-cGMP Signaling Pathway in Depression Rats电针对抑郁模型大鼠海马一氧化氮-环磷酸鸟苷信号转导通路的影响WlI汉语字典

An enzyme of nitrogen-fixing bacteria that activates the conversion of nitrogen to ammonia.定氮酶在固氮细菌中催化氮转化成氨的一种酶WlI汉语字典

The optimum ratio of N:P:K should be 2. 1:1: 0. 4.化肥氮磷钾比例应是2.1∶1∶0.4。WlI汉语字典

Enhanced Simultaneous Phosphorus and Nitrogen Removal in Membrane Bioreactors;膜生物反应器强化除磷脱氮性能研究WlI汉语字典