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- Li S M,Li L,Zhang F S.Enhancing phosphorus and nitrogen uptake of fabe bean by inoculating arbuscular mycorrhizal fungus and Rhizobium leguminosarum[J].J.of China Agric.Univ.,2004,9(1):11-15. [11]李淑敏;李隆;张福锁.;丛枝菌根真菌和根瘤菌对蚕豆吸收磷和氮的促进作用[J]
- Enhancing phosphorus and nitrogen uptake of faba bean by inoculating arbuscular mycorrhizal fungus and Rhizobium leguminosarum 丛枝菌根真菌和根瘤菌对蚕豆吸收磷和氮的促进作用
- phosphorus and nitrogen uptake 磷和氮吸收
- They say much of the soil lacks enough phosphorus and nitrogen. 他们说当地的大部分土壤缺乏足够的磷和氮。
- They say much of the soil lacks enough phosphorus and nitrogen . 这些专家们认为许多土壤都缺少足够的磷和氮。
- Change of phosphorus and nitrogen concentration in the leakage loss. 渗漏流失氮磷浓度的变化。
- The total phosphorus requirement is relative to the potential of soil phosphorus and nitrogen fertilizer application. 总磷需求量与土壤磷潜力和施用氮肥有关。
- The most important of these are light, phosphorus and nitrogen, which cyanobacteria need in order to survive. 其中最重要的是重量轻;氮、磷、为了生存所需要蓝藻.
- A latest developing technology for simultaneous removal of phosphorus and nitrogen removing-denitrifying dephosphatation was introduced. 介绍了一种高效、节能的生物除磷脱氮技术-反硝化除磷。
- The anaerobic-anoxic-oxic(A2/O) process was utilized to study the primary factors and principles affecting phosphorus and nitrogen removal. 采用厌氧-缺氧-好氧工艺(简称A2/O工艺),研究除磷脱氮的主要影响因素及其规律。
- Sulphur and nitrogen promoted each other. The phosphorus and the potassium conten were to the tiptop when the low and medium sulphur level applied, respectively. 全氮含量与全硫含量变化趋势一致,全磷含量以低硫水平时最高,全钾含量以中等供硫水平时最高。
- Inorganic polymers and their substitutes with a backbone of alternating phosphorus and nitrogen atoms, known as polyphosphazenes, have attracted growing attention in recent years. 聚磷腈及其衍生物是以磷、氮原子交替排列作为主链结构的一类新型无机高分子,由于其结构的特殊性,所以它集稳定与活泼于一身,稳定的一面主要体现在六元环结构上,生成的聚合物耐酸碱、耐高温、并具有多种功能与用途;
- Polyphosphazenes was linear polymers containing an inorganic backbone formed by alternating phosphorus and nitrogen atoms, each phosphorus bearing two side substituents. 聚膦腈是主链上以磷氮原子单双键交替排列,磷原子上连接有两个取代基的一类线性无机聚合物。
- A synthetic process of polyepoxysuccinic acid(PESA),a biodegradable green scale inhibitor without phosphorus and nitrogen,is investigated by maleic anhydride as starting material. 以马来酸酐为主要原料,氢氧化钙为引发剂,合成了无磷、非氮和可生物降解的绿色阻垢剂聚环氧琥珀酸(PESA),得出了最佳合成工艺条件,并对合成产物进行了红外光谱表征。
- The design characteristics of inverted AAO process for phosphorus and nitrogen removal from urban wastewater were described,and some project cases in China were introduced. 概述了城市污水生物脱氮除磷倒置AAO工艺的设计特点,介绍了国内一些工程实例。
- Phosphorus and nitrogen levels from industrial and fertilizer runoff have risen 10 times above levels a decade ago, according to the WWF report, which he co-edited. 一份翁立达联合署名的世界野生动物协会报告称,工业废水和化肥残留物造成三峡水体中的氮和磷含量较10年前上升了10倍。
- A two-SBR is a novel Simultaneous phosphorus and nitrogen removal system which combined an anaerobic/anoxic sequencing batch reactor (A2-SBR) and a nitrification SBR (O-SBR) together. 双SBR是将厌氧/缺氧间歇反应器(A_2-SBR)与具有硝化作用的SBR反应器(O-SBR)联合使用,进行脱氮除磷的工艺。
- The polyphosphazenes([N=PR 2] n),with a backbone of alternating phosphorus and nitrogen atom and two substituants at each phosphorus,are the most versatile class of novel polymers. 聚磷腈是一类骨架由磷-氮原子交替排列侧链键合各种取代基团且具有广泛应用的新型高分子化合物。
- Effects of Nitrogen Forms on Growth and Nitrogen Uptake of Two Genotypes Winter Wheat Differing in Phosphorus Efficiency 氮素形态对不同磷效率基因型小麦生长和氮素吸收及基因型差异的影响
- denitrifying phosphorus and nitrogen removal 反硝化脱氮除磷