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The results showed that all the four macrophytes had abilities to resist hydraulic impact loading, and were adapted to the dynamic instability of quality and quantity of inflow water. All the plants could decontaminate COD, NH3-N, NO3-N, TN and TP in the sewage with different efficiency, in which Oenanthe javanica and Myriophyllum verticillatum L. had the best comprehensive purification ability.

结果表明:4种植物都具有一定的抗水力冲击负荷能力,能适应河道污水水质和水量均不稳定的动态变化特征,并对污水中COD、NH3-N、NO3-N、TN和TP等指标均有去除作用;但各种植物对不同指标的去除能力有较大差异,其中浮水植物水芹菜和沉水植物尾藻综合净化效能较强。

And Myriophyllum verticillatum L.

尾藻Myriophyllum verticillatum L。

This paper utilizes water enviriment to research Pb2+ and Hg2+solution of two heavy metal as single stress on the Toxic Effects of Pistia sagittifolia and Myriophyllum Spicatum in different concentration .

中文摘要:利用水培试验方法研究不同浓度( 5、10、15、20、50、80mg/L)Pb2+、Hg2+两种重金属单一胁迫对大薸和穗状尾藻毒害效应。

Response of Nutrient Accumulation Characteristics and Nutrient Strategy of Myriophyllum spicatum L.

穗花尾藻Myriophyllum spicatum L。

The results show that Cd2+ for Pistia stratiotes and Myriophyllum spicatum L root-like effects of microbial flora with the microorganism or physiological groups, training time and Cd2+ concentration varies; Micro-organisms under Cd2+ stress would have two distinct effects: First, the growth of micro-organisms are not suited to reduce the number or extinction; Second, the growth of micro-organisms adapt to an increase in the number or the accumulation.

结果表明,Cd2+对大薸和穗状尾藻根系微生物的影响随微生物区系或生理类群、培养时间和 Cd2+浓度的不同而不同;受重金属镉胁迫后微生物会产生两个明显的效应:一是不适应生长的微生物数量会减少或灭绝;二是适应生长的微生物数量会增加或积累,在低浓度下,重金属对微生物数量一般有刺激作用,而在高浓度下一般为抑制作用,也有表现出刺激作用。

The results demonstrate that Myriophyllum spicatum could tolerate higher phosphorus concentrations than Hydrilla Verticillata. However, the optimal phosphorus concentrations for the growth of both Myriophyllum spicatum and Hydrilla Verticillata exceed the phosphorus concentrations in eutrophic water bodies.

实验结果表明,穗花尾藻比轮叶黑藻更能耐受高质量浓度的磷,并且两种沉水植物适宜生长的磷质量浓度都高于目前富营养化湖泊水体中的磷质量浓度,也远高于湖泊富营养化的磷质量浓度标准(0.02 mg·L-1)。

Pre-Columbian Collection - This Jewelry, from the south coast of Peru, is based on a detail from an ovoid vase depicting the Paracas mythological Oculate Being.

前哥伦布收集-这个饰品,从南方沿海的秘鲁,是基于一个细节,从一个卵形花瓶描绘帕拉卡斯神话o culateb eing.this造物是一个综合的形象与,猫,虎鲸,并鸟的属性。

Effects of heavy metal Hg on physiological and Siochcmical lindicatios of Pistia stratiotes,were examined in a solution-culture experiment.

中文摘要:利用水培试验方法研究了Cd2+、 Cr6+、Hg2+、pb2+胁迫对穗状尾藻叶绿素的含量、细胞膜脂质过氧化的影响。

As a presimian, a primate suborder that means "pre-monkey," the lemur has a black, doglike snout.

作为一种原猴亚目,也即灵长目亚目,称之为&原猴&,这种猴有一副黑色的像狗的嘴脸。

We idled in front of the lemurs, watching a showoff black and white ruffed splay himself in a patch of sun only a few feet from us.

我们在闲置猴前,看着太阳补丁一showoff黑白领决口扇自己离我们只有几英尺。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力