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It indicates that: The eco-physical system composed by Potamogeton crispus system can reduce TN,TP load of river water taking sediment .

利用冬春季沉水植物菹草构建的阶梯式水生植物系统研究了其对水体悬浮泥沙及氮、磷污染物的净化效果。

C: positive expression of pathologic grade Ⅰ(TN expression also appeared yellowish bands or reticula, but the positive rate is less) SP×400

2.3 MVD与胆管癌临床病理特征的关系经计数，病理分级为Ⅰ级的癌组织中MVD为54.43±6.35，Ⅱ级为61.76±7.42，Ⅲ级为62.89±5.51。

The results of the tests in this paper show ANAMMOX process has practical engineering value. The ANAMMOX process could be established through recycle of the effluent from the sedimental tank to the anaerobic fluidized bed, and the TN removal efficiency of A〓/O could be enhanced by 15%.

本论文的实验表明厌氧氨氧化过程具有实际工程意义，利用好氧沉淀池出水回流到厌氧池，可以实现厌氧氨氧化过程，系统的总氮去除率可提高15％。

These results suggest that the effects of fertile island increase when the saline meadow degrades into shrubland and then decreases during the shrubland evolved into sandy desert.

这种变化反映了荒漠化在该地区发展所处的不同阶段，而肥岛中SOC和TN的富集系数是反映这种变化的有效指标。

Contents of TOC, TN, and OP in Spartina alterniflora marshes are higher than those in other ecological zones.

植被对潮滩湿地中碳、氮、磷的分布有着重要影响，3种物质在互花米草、盐蒿和芦苇中的含量差别不是很大，因此潮滩植被对沉积物中上述3种物质的贡献差别主要是由不同植被的生物量和其所处环境的沉积动力差异造成的。

Some water samples from intakes and outlets of 3 wetland pond beds growing Phragmites communis Trin, Typha angustifolia and Cyperus alternifolius were respectively taken for monitoring and contrasting 5 main water quality indexes including dissolved oxygen, chemical oxygen demand, biochemical oxygen demand in 5 days (BOD5), total nitrogen, and total phosphorus month by month all year around, so as to discover influences of different plant species on water purification efficiency.

摘 要：通过对成都活水公园人工湿地中的3种优势挺水植物所在塘床进出水口的5个主要水质指标：水中溶解氧（dissolved oxygen， DO）、化学需氧量（chemical oxygen demand， CODcr）、5日生化耗氧量（biochemical oxygen demand in 5 days， BOD5）、总氮（total nitrogen， TN）、总磷（total phosphorus， TP）的全年逐月对比监测，探索不同植物种类对污水净化效率的影响，并对湿地中不同植物塘净化效率产生差异的原因作了较全面的分析讨论。

Ecological pool was constructed to treat the eutrophic water in fishpond in Hangzhou Botanical Garden,and the difference of TN,NH_3-N,NO_3-N,TP,COD_,BOD_5,DO,TURB,COND were analysis.

在人工湿地的基础上建立生态池，来净化杭州植物园玉泉观鱼景点观鱼池富营养化水质。

In an outdoor controllable experiment, the effects of different TN:TP ratios (12.5:1, 25:1, and 50:1) in eutrophic water on the growth of Vallisneria spiralis were investigated.

在室外受控实验条件下，研究了富营养水体中不同氮磷比(12.5：1、25：1、50：1)对苦草生长的影响。

U!ERm:g:TN Vasu is an electrical engineering graduate of the University of California, Berkeley.

Vasu毕业于伯克利加利福尼亚大学电子工程系。

A where enhanced some what through putting in two kinds of zoobenthos as Bellamya purificata and Misgurnus anguillicaudatus in plant cultivated channels of water purification system of hydroponic biofilter method compared with not putting in zoobenthos channel.

在水耕植物过滤法净水系统中的植物栽培廊道中，通过投放2种底栖动物螺蛳和泥鳅延长食物链后，TN、TP、TOC、Chl.a的去除效果均比未投放底栖动物的廊道有所提高。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。