查询词典 hydrophyte

For some dyes, the dye concentration of less than 1ppm in receiving water bodies is highly visible, so that even small quantities of dyes can color large water bodies. This not only affects aesthetic merit but also reduces light penetration and hydrophyte photosynthesis. In addition, some dyes or their metabolites are either toxic or mutagenic and carcinogenic.

某些染料在浓度低于1ppm时就能使接受水体明显着色，所以即便是少量的染料也会污染大面积水体，这不仅影响了水环境的美观而且会减少水体透光量，进而影响水生植物的光合作用，况且，有些染料或其降解产物有毒，甚至能诱发基因突变或致癌。

For the following three kinds of submerged hydropgytes, Eremochloa ophiuroides, Potamogeton crispus L and Ceratophyllum demersum, the phosphorus release amounts per g hydrophytes were high, thus the harvest should be carried out to avoid the phosphorus content in water increased caused by the release from hydrophyte during the decay period.

对于沉水植物蜈蚣草、菹草和金鱼藻而言，单位质量植物的磷释放量较高，需要及时进行收割以避免植物溶解释放引起含植物的土地处理与修复系统中水相磷浓度的升高。

PartⅡStudy on the chemical constituents of Nymphaea candidaNymphaea candida Presl is a herbaceous hydrophyte native to the southern Xinjiang in China,and the flowers of N.candida has been used as a folk medicine for head pains,common cold,cough,hepatitis and hypertension.

第二部分睡莲花化学成分及生物活性研究睡莲花Nymphaea candida Presl为睡莲科睡莲属多年生水生草本植物雪白睡莲的干燥花蕾，主要分布于我国新疆的南部地区，在维吾尔族民间用于热症引起的头痛、热感咳嗽及小儿急、慢惊风等病症的治疗。

The assimilation ability of N and P by hydrophyte and prevention of the secondary pollutionThe reed, wild rice and Zizania caduciflora Turez Hand-mazt can remove 818 kg/hm2,131 kg/hm2 and 200kg/hm2 of N and 103.6 kg/hm2, 28.9 kg/hm2 and 21.1kg/hm2 of P respectively from wetland after harvested each year.

水生植物对N、P的吸收能力及二次污染的防治措施每年秋季芦苇收割以后，可带走818kg/hm，的N和103.6 kg/hm，的P，菱草可带走一31 kg/hmZ的N和28.9 kg/h扩的磷，菱白带走200kg/hm，的N，2一Ikg/h扩的P。

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。