富营养
- eutrophy
-
象山港海域N、P污染特征及潜在性富营养化程度评价
Characteristics polluted by nitrogen and phosphorus and potential eutrophication assessment in Xiangshan Harbor
-
水质富营养化指标的GM(1,2)预测模型
Gm ( 1,2 ) predicting model of eutrophic index of water quality
-
用BP网络预测杭州西湖富营养化的短期变化趋势
Application of BP Neural Network to Predict the Short Term Trend of Eutrophication in West Lake
-
以水体富营养化的限制因子P为例,探讨并介绍了一种对农田生态系统非点源污染敏感性的空间分布进行评价的方法。
An approach for assessing spatial distribution of agricultural non point source pollution in farm ecosystems , taking P as an example , is introduced .
-
水体营养状态指数(E)值各季平均在4~9,呈严重富营养化状态。
The average nutritive indexes in each season were 4 ~ 9 , presenting a heavy level of eutrophication .
-
富营养化和POPs污染是当今世界范围内存在的两类严重环境污染问题。
Eutrophication and POPs are two serious environmental pollution problems .
-
微型生态系统中P分布的变化可揭示罗非鱼促进系统中营养物循环,从而加速其富营养化的主要机制。
The variation of P distribution in the microcosms can reveal the main mechanism of accelerating nutrient cycling in the systems , and thus , enhancing their eutrophication processes by Nile tilapia .
-
运用结合了灵敏度分析的MonteCarlo方法对西湖富营养化生态模型不确定性进行了定量分析。
Quantification analysis of uncertainty is performed for Eutrophication Ecosystem Model of West Lake using the Monte Carlo methods which are combined with sensitivity analysis .
-
由于该海域的富营养化,N、P和Si营养盐已经不再是影响浮游植物生长的有效因子。
Nutrients N , P and Si have no longer been effective factors affecting the phytoplankton growth because of the eutrophication in the sea area , which is consistent with the actual situation .
-
由于滇池水体严重富营养化,N、P污染物浓度居高不下,水质恶化严重制约了社会、经济的发展及环境的改善。
Because of the eutrophication of the Dianchi Lake , the high concentration of nitrogen and phosphorus and the water quality deterioration seriously restricted the development of the society and economy , and the improvement of environment .
-
但TN、TP和浮游藻类细胞密度增长较快,水体向富营养发展的趋势明显。
But the TN ? TP and cells density of phytoplankton are on the increase , water body tend to be of eutrophication .
-
富营养条件下不同形态氮对轮叶黑藻(Hydrillaverticillata)的生理影响
Effects of Different Form of Nitrogen on Hydrilla verticillata under Eutrophic Nutrient Condition
-
我国910万hm2天然湖泊中,85%的湖泊出现了不同程度的富营养化。
Among 9.10 million hm2 of natural lakes in China , over nutrition of different degrees has occurred in 85 % of those lakes .
-
“老问题仍然存在,新问题正在出现,例如富营养的‘死亡区’和气候变化带来的影响,”Steiner说。
" Old problems persist and new ones like nutrient-rich'dead zones'and the impacts of climate change are emerging ," said Steiner .
-
针对日益严重的水体富营养化问题,结合中国南方中小城市污水处理现状,阐述了循环活性污泥法(CAST)的工作原理,并利用它处理城市生活污水。
In view of more and more serious eutrophication of water bodies and combination of municipal wastewaters of treatment in south-china , the principle of Cyclic Activated Sludge Technology ( CAST ) was introduced in this paper .
-
为了给高原湖泊治理提供依据,从滇池湖区地质背景、浮游藻类、溶解氧、大地热流、水质富营养化等方面研究pH值的时空变化及其影响。
The paper studies the pH space-time varieties and their influences through the distribution of carbonate rock , planktonic algae , dissolved oxygen , underground warm current , water pollution etc , which may provide a basis for Dianchi restoration .
-
试验结果表明,植物在该系统中对污染物去除起到明显的促进作用,该装置能够有效降低排水中N、P的含量,对改善水质和减缓水体富营养化问题具有重要意义。
Results indicated that plants contributed much to the removal of pollutants , and the CW system was a practical alternative for removing N and P from discharge of municipal Wastewater treatment plant , which is significant for improving water quality and mitigating of eutrophication problem .
-
对单项污染指数(Ii)、卡尔森富营养化指标(TSI)的测算和评价也表明镜湖水体处于富营养化状态。
The values of Single Pollution Index ( Ii ) and Carlson 's Trophic Status Index ( TSI ) also indicate that the Mirror Lake now is at the Trophic Status .
-
应用PFS-EM组合工艺处理藻型富营养化原水的研究
Study on composite process of PFS-EM for algae control of eutrophic raw water
-
相对而言,NH4+的酸化和富营养化效应均强于同当量的NO3-,表明中国氮沉降控制不应忽视NH3的排放削减。
Since it was detected that NH ~ + _4 had more effect on soil acidification and eutrophication than NO ~ - _3 with the same equivalence , ammonia ( NH_3 ) emission abatement should be possibly preferred to nitrogen oxides ( NO_x ) for nitrogen deposition control in China .
-
北京密云水库富营养化预测模型的研究
A Simulation Model of Eutrophication Prediction for Reservoir Miyun , Beijing
-
富营养化浅水湖泊稳态转换理论与生态恢复探讨
Regime Shift Theory and Ecological Restoration Discussion in Eutrophic Shallow Lakes
-
我国湖泊富营养化问题及防治对策
Questions of the Lake Eutrophication in China and Its Control Measures
-
山东省东平湖浮游动物与富营养化防治
Zooplankton and Control of Eutrophication in Dongping Lake , Shandong Province
-
福州西湖富营养化水体的治理初探
Discussion on Control Measures of Eutrophic Water in Fuzhou West Lake
-
沉水植物在富营养化水体中的环境效应研究
Study on the Environmental Effect of Submerged Macrophytes on Eutrophic Water
-
太湖底泥的空间分布和富营养化特征
Spatial distribution and eutrophic characteristics of bottom sediments in Taihu Lake
-
滇池是中国水体富营养化最严重的湖泊之一。
Dianchi is one of the most eutrophication lake in China .
-
富营养化湖泊中沉积物原位治理技术进展
Research progress of in-situ treatment technology of sediments in eutrophic lakes
-
湖库富营养化人工神经网络评价模型
Eutrophication assessment model using artificial neural networks for lakes and reservoirs