查询词典 aquatic plant

The institute has four experimental farms, the Centre for Aquatic Plant Management at Sonning and a field station, the scientific programme of which is run jointly with ADAS.

该研究所拥有四块实验农场，一个水生植物管理中心，一个野外观测站，并且与农业发展与咨询服务处有合作科研计划。

The paper described how the leaves of Brasenia schreberi Gmel., an economic aquatic plant and a Chinese favourite dish, were destroyed by the Chironomid larvae, especially those of Cricotopus trifasciatus panzer, and the characteristics and their growth environment of that species were introduced in detail as well.

莼菜为长江中下游地区民众喜爱的菜肴，具有较高的营养价值。本文重点叙述主要危害莼菜的三带环足摇蚊Cricotopus trifasciatur幼虫，记述了这种幼虫的特征和生长环境以及这类幼虫危害莼菜的过程和结果。

Aquatic plant with deep green foliage useful as an aquarium oxygenator; sometimes placed in genus Egeria.

具有深绿色叶子的水生植物，通常被用作一种鱼缸的充氧植物。

A weedy aquatic plant of genus Elodea.

伊乐藻属的任何一种水生植物。

The tests have Simulated the rainstorm state and the order state, and the results indicated the disposal of microorganisms-aquatic plant system is efficient. The optimization removal rate time was ascertained under the static state test, in dynamic test, comparing and analyzing the effect on removal rates of different concentration wastewater. The results showed, without aeration, the removal rate of CODCr, TN was 85.9%,75.1%, respectively, the highest removal rate of TP was 64.6%, and the concentration of DO increased steadily from 2mg/L to 7mg/L during experiment. In dynamic test, the microorganisms-aquatic plant systems have also appeared better effect on freshet, and the removal rate of TN,TP and CODCr, was 64%,69% and 81%, respectively.

利用接种高效微生物菌剂促进填料快速挂膜，并和水生植物联合作用去除水体中的氮磷等污染物，在静态水体下研究达到最佳去除效率的时间，并在连续流试验下对比分析不同浓度下的去除效率，根据静态模拟试验结果表明，在不曝气，自然复氧条件下，CODCr和TN的最终去除率分别为84.3%和71.4%，TP最高去除率为62.9%，DO也从2mg/L稳定的升高到7mg/L左右；在连续流模拟试验结果表明，该系统对雨后入湖的河水中TN、TP及CODcr的去除率分别稳定在近64%，69%和81％以上。

The aquatic plant become one of essential element of the city's environment and landscape for extensive application in waterscape system by favorable view and admire , functionality , ecotype and inexpensiveness .

水生植物因其具有良好的观赏性、功能性、生态性和经济性等而被广泛应用于各类水景体系中，成为城市环境、景观建设必不可少的一项元素。

General to say, the wastewater treatment efficiency of Phragmites communis Trin wetland is best and Typha angustifolia wetland is secondly among 3 plant species, whereas, Cyperus alternifolius is better to remove overmuch phosphorus than other 2 aquatic plant species.

全年总体而言，三种挺水植物中，芦苇湿地对锦江水的净化效果较好，其次是香蒲湿地，而伞草湿地对水体中磷的去除效率相对更高些。

The results of this study showed that the ability of the three aquatic plant species is more significantly to remove pollutants in summer and autumn, especially from June to September, is significantly superior to that in winter, the stage of aquatic plants grow more hearty is better than the stage plant grow more feeblish.

通过2006全年对成都活水公园人工湿地中三种优势挺水植物芦苇、香蒲、伞草所在塘床的进出水口的6个主要水质指标（pH 、DO、COD、BOD5、TP、TN）的逐月对比监测，探索不同植物种类对污水净化效率的影响。

In vegetation cluster survey, Leersia hexandra Sw. are found hard to survive over 20cm of water in depth which indicated that water level is critical influence in growth and decline of aquatic plants. Different allocation in water depth and partition measures is useful in aquatic plant management.

植群调查中，李氏禾较不易生长於水深超过20公分的区位，水池之水位深度对水生植物之生长与种间消长，占有重要之影响力，规划时可利用不同水深配置搭配堆置物隔离措作为水生植物管理之用。

The results indicated that there was an ecological succession of wetland plant communities and that the successive series is as follows: aquatic plant→helophytes→swampy prata→herbosa with the changes of habitat from aquatic to mesophytic. The horizonal distribution regularity of plant communities showed symmetric distribution at loop lake or banks of small stream and con centric distribution at depression. The vertical distribution regularity is as follows: aquatic vegetation→moor vegetation→swampy prata vegetation→subalpine meadow subalpine shrub from the center of lake to the hilltop.

结果表明，随着湿地水分由多到少的变化，植物群落类型发生相应的生态演替，其演替序列为水生植被→沼生植被→沼泽化草甸植被→草甸植被，且在水平方向呈对列式和同心圆式分布；从湖心至丘顶的垂直分布规律表现为水生植被→沼泽植被→沼泽化草甸→亚高山草甸→亚高山灌丛。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失