Nitrogen cycling是什么意思

用法例句

Review on coupling of interactive functions between carbon and nitrogen cycles in forest ecosystems;

森林生态系统碳氮循环功能耦合研究综述

Heterotrophic nitrification,anaerobic ammonia oxidation and archaeal ammonia oxidation in a new nitrogen cycle;

异养硝化、厌氧氨氧化及古菌氨氧化与新的氮循环

Advances in ammonia-oxidizing microorganisms and global nitrogen cycle

氨氧化微生物生态学与氮循环研究进展

Influence of florfenicol on nitrogen cycling in marine sediment;

氟苯尼考对海洋沉积物中氮循环的影响

The release experiments of immobilized nitrogen cycling bacteria(INCB) were conducted in the physico ecological engineering(PEEN) experiment plot in Hongfenghu Lake of Guizhou province.

研究了固定化氮循环细菌技术 (INCB)在物理生态工程 (PEEN)试验区的释放效果 ,INCB释放氮循环细菌对水生高等植物根部菌数的作用 ,PEEN试验区分布对INCB释放细菌效果的影响 ,PEEN INCB技术试验区布设对INCB释放氮循环细菌效果的影响。

Modeling nitrogen cycling in studying farmland ecosystem has been an important tool and has been paid much attention.

农田生态系统中的氮循环是影响农业生产力的主要因素之一,同时也会对环境产生影响。

Based on field investigation,sample collection and analysis,and application of statistics and GIS technology,this study has discussed the spatial and temporal variation of C/N ratios and its effect on the C and N cycling in soil samples collected from the Zhangjiagang City from 1980 to 2004.

土壤碳氮比值(C/N)是衡量土壤C、N营养平衡状况的指标,它的演变趋势对土壤碳、氮循环有重要影响。

On the basis of the principle of nitrogen circulation in soil,we .

根据土壤中氮循环原理分析了潮土中氮含量低的实质,即有机质及碳源供应不足、潜水位高及水淹潮土促进了反硝化作用、种植结构的影响等。

Research of agroecosystem nitrogen cycle;

农业生态系统的氮素循环研究进展

The result shows that the distribution of the bacteria that relation to nitrogen cycle is very extensive.

利用钻孔和挖掘的方法从滇池底泥获得12个样品,利用阿须贝无氮培养基,硝化菌、亚硝化菌培养基及硝酸盐培养基分离其中的优势菌,并进行计数、鉴定及分析,结果发现,滇池底泥广泛分布有与氮素循环有关的细菌。

The Relation of Nitric Oxide Synthesis and Urea Cycle Enzymes;

一氧化氮合成与尿素循环酶的关系:“瓜氨酸—一氧化氮循环”

Construction,Identification and Its Denitrogenate Ability of Nitrogen-Cycling Bacterium Functional Group

氮循环菌群的构建鉴定及其脱氮性能研究

Nitrogen turnover from grazing livestock excreta is the key process in the nitrogen cycle of pasture ecosystems.

放牧家畜排泄物氮转化是草原生态系统氮循环的关键。

Nitrogen removal and N_2O emission from water purification process by immobilized nitrogen cycling bacteria in urban lake

固定化氮循环细菌修复城市湖泊水体脱氮效果及N_2O排放

Research on the Nitrogen Cycle Bacteria and Actions in the Rhizosphere of Economic Aquatic Plants

水生经济植物根际氮循环细菌及其作用的研究

Effect of Combined Application of Organic and Inorganic Fertilizer on Soil Microbial Biomass Nitrogen and Nitrogen Cycle;

有机无机氮源配合施用对土壤微生物生物量氮及氮素循环的影响

Nitrogen Recycling in Rice-wheat Rotation Farm System and Water Environment Effect;

水旱轮作农田系统氮素循环与水环境效应

Study on Nutrient Cycle of Ecosystem in Rubber Plantation--Nitrogen Cycle in Clone PR107

橡胶人工林生态系统养分循环研究——无性系PR107氮素体循环

Influence of Urbanization on the Nitrogen Flow in Food Consumption System and Nitrogen Cycling in Agro-Ecosystem of China;

城镇化对我国食物消费系统氮素流动和农田氮素循环的影响

Nitrogen Cycling and Balance in Winter Wheat-Summer Corn Rotation System under Optimized Nitrogen Management

优化施氮下冬小麦/夏玉米轮作农田氮素循环与平衡研究

Studies on the Nitrogen Circulation Discipline between Soil and Flue-cured Tobacco and Regulated Method of Nitrogen Fertilizer in Nanxiong Tobacco-growing Area

南雄烟区土壤—烟株氮素循环规律及氮肥调控方式研究

Effect of Cycle Plasma Nitriding Process on Structure and Properties of Nitrided Layer of Steel 38CrMoAl

循环等离子渗氮工艺对38CrMoAl钢渗氮层组织和性能的影响

Nitrogen Loss in Internal-loop Aerobic Granular Sludge Bed Nitrifying Reactor

内循环好氧颗粒污泥床硝化反应器氮亏损研究

Advances in Researches on Biogeochemical Circulation of C,N and P in Wetlands

湿地碳氮磷的生物地球化学循环研究进展

Study on Simultaneous Removal of SO_2 and NO from Flue Gas by Circulating Fluidized Bed;

烟气循环流化床同时脱硫脱氮技术研究

Modeling on Desulfurization and Denitrification by Flue Gas Circulating Fluidized Bed and Mechanism Research;

烟气循环流化床联合脱硫脱氮模型和机理研究

Experiment Study on Desulfurization and Denitrification Technology by Flue Gas Circulating Fluidized Bed;

烟气循环流化床脱硫脱氮技术实验研究

Technical Study on Dryer System of ABS Plant Revamping into Nitrogen Circulation;

ABS装置干燥系统改为氮气循环的工艺研究