nitrogen相关论文
在用双光子激发产生的Xe(5p56p)原子与N2分子碰撞过程中,有效地生成了N2(B3Пg,v=9～14)振动激发态.观察到相应的Δv=4的N2(B3Пg-A3......
氮素是作物生长发育和产量品质形成所必需的营养元素。实时、快速、无损、准确地监测作物氮素状况,对于诊断作物生长特征、指导合......
Effect of Nitrogen on Water Content, Sap Flow, and Tolerance of Rice Plants to Brown Planthopper, Ni
Water content (WC) and sap flow from leaf sheath of rice plants with varying nitrogen levels at different growth stages,......
Effects of Real-Time and Site-Specific Nitrogen Managements on Rice Yield and Nitrogen Use Efficienc
Using hybrid rice Shanyou63, the agronomic and economic characters of different nitrogen(N) managements were evaluated. ......
Effects of Different Nitrogen Application Strategies on Yield and Forage Nutritive Quality of Zea me
A pool experiment was carried out to study the effects of different nitrogen application strategies (rates and stages of......
Cooking and nutrition qualities of grain are two of the most important aspects of rice quality. To understand the differ......
Study of Dynamics of Floodwater Nitrogen and Regulation of Its Runoff Loss in Paddy Field-Based Two-
The article deals with the effects of urea and controlled release nitrogen fertilizer (CRNF) on dynamics of pH, electron......
Emissions of exhaust gases and particulate matter from a dual fuel marine engine using methanol as fuel with marine gaso......
Determining nitrogen status and quantifying nitrogen fertilizer requirement using a critical nitroge
Field experiments of nitrogen(N)treatment at five different application rates(0,75,150,225,and 300 kg ha-1)were conducte......
Glutamine synthetase(GS)plays an important role in nitrogen(N)metabolism in cucumber.In this study,we cloned and sequenc......
Nutrients regeneration pathway, release potential,transformation pattern and algal utilization strat
In order to better understand the contribution of nutrients regeneration pathway,release potential and transformation pa......
Identification of microRNAs involved in crosstalk between nitrogen, phosphorus and potassium under m
Nitrogen (N), phosphorus (P), and potassium (K) are important for plant growth and development. MicroRNAs (miRNAs) play ......
High nitrogen application rate and planting density reduce wheat grain yield by reducing filling rat
Excessive use of nitrogen fertilizer and high planting density reduce grain weight in wheat. However, the effects of hig......
Specific aspects of plant cultivation require tests under fully controlled environmentalconditions with restricted energ......
Sediment organic matter source estimation and ecological classification in the semi-enclosed Batan B
The large organic matter flow in tropical coastal areas is recognized as an important process in the global carbon (C) c......
High-nitrogen (N) austenitic stainless steel (Cr-Mn-N series) is commonly used for non-magnetic drill collars, which exh......
To identify the major factors that contribute to the difference in lodging among different rice varieties under machine ......
Nitrogen-, phosphorus-doped carbon-carbon nanotube CoP dodecahedra by controlling zinc content for h
Here,N-and P-doped carbon-carbon nanotube CoP (NPC-CNTs-CoP) nanoparticles dodecahedra are achieved by multistep calcina......
The Integration of Farmers and Nomads: Archaeological Evidence for the Human Subsistence Strategy in
The integration of farmers and nomads in northwest China during the Han Dynasty (206 BCE ～ 220 CE) provides a crucial opp......
Analysis of symbiotic microbial status of Atlantic sand dunes forest and its effects on Acacia gummi
Atlantic forest natural soil flora was tested on two leguminous pioneer species Acacia gummifera and Retama monosperma t......
Carbon Sources of Sediment and Epifaunal Food Sources in a Tropical Mangrove Forest in North Sulawes
The stable isotope ratios of nitrogen (δ15N) and carbon (δ13C) were applied in this study to analyze sediment carbon s......
Effect of different dietary protein levels and amino acids supplementation patterns on growth perfor
Background:This study was conducted to determine the effects of different dietary protein levels and amino acids supplem......
生物滞留系统是一种能有效控制雨水径流污染的低影响开发技术。在基质中添加铝污泥能保证系统对磷的高效稳定去除,设置内部淹没区......
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多数水生植物对于湿地土壤中氮磷元素的固持起着至关重要的作用。为了明晰芦苇与土壤间氮磷元素的关系,笔者利用灰色关联分析方法,......
针对我国天然气液化的相平衡数据比较缺乏，搭建了一低温气液相平衡试验台，以获取低温下以天然气主要成分为研究对象的气液相平衡数据......
为探究太湖地区稻麦轮作区秸秆还田与化肥、牛粪堆肥配合施用下水稻和小麦产量以及氮素利用情况,通过大田试验比较不同施肥方式,即......
【目的】为减少农田氮磷淋失,提高土壤肥力,探究高孔隙度的稻壳炭在增强黄棕壤对养分元素吸附的特征。【方法】采用室内土柱淋溶试......
【目的】森林是三峡库区重要的生态屏障,研究该地区森林生态系统化学计量特征可深入了解生态系统的养分循环、限制作用以及稳定机......
The eutrophication problem has drawn attention to nutrient leaching from agricultural soils.and an understanding of spat......
Shallow groundwater nitrogen responses to different land use managements in the riparian zone of Yuq
This field study investigated the nitrogen concentrations in the shallow groundwater from an ephemeral stream and four l......
Relationship between catchment characteristics and forms of nitrogen in Cao-E River Basin, Eastern C
The distribution of different nitrogen forms and their spatial and temporal variations in different pollution types of t......
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Temporal and spatial variation of nitrogen and phosphorus and eutrophication assessment for a typica
Based on water quality surveys over 2 years (July to December,in 2014 and 2015) in a typical arid river in northem China......
Dissolved nitrous oxide and emission relating to denitrification across the Poyang Lake aquatic cont
Most aquatic ecosystems contribute elevated N2O to atmosphere due to increasing anthropogenic nitrogen loading.To furthe......
The global application of nitrogen is far greater than phosphorus,and it is widely involved in the eutrophication of lak......
The arsenate (As(Ⅴ)) biotransformation by Microcystis aeruginosa in a medium with differentconcentrations of nitrogen (......
Comprehensive analysis of nitrogen distributions and ammonia nitrogen release fluxes in the sediment
The condition of Baiyangdian Lake (BYDL) will improve as the Xiongan New Area evolves and fulfills its role of easing ov......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Soil carbon and nitrogen dynamics linked to Piliostigma species in ferugino-tropical soils in the Su
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Investigation of phytosociological parameters and physicochemical properties of soil in tropical sem
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Patterns of biomass,carbon,and nitrogen storage distribution dynamics after the invasion of pine for
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
N concentration of old leaves and twigs is more sensitive to stand density than that of young ones i
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Nitrogen Concentration in Subtending Cotton Leaves in Relation to Fiber Strength in Different Fruiti
Nitrogen(N) fertilizer experiments were conducted to investigate the optimal subtending leaf N concentration for fiber s......
