水生植物

Removal of hydrophytes system composed by P otamogeton crispus for contamination is studied.

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。

Semi-aquatic Eurasian perennial crowfoot with spear-shaped leaves; naturalized in New Zealand.

欧亚的一种多年生、半水生植物，长有矛状的叶；被引种于新西兰。

These results indicated that aquatic plants can decontaminate the polluted water.

水生植物由于吸收了重金属元素而使体内的含量增加，其中对锅和铅的吸收较明显。

To observe mosquito larva density degression rate , both hydrophytes and fishes death rate .

同时观察水生植物和鱼类的死亡等影响因素。

Algal blooms, heavy growth of aquatic plants, algal mats and deoxygenation are common symptoms of eutrophication.

水藻滋生、水生植物大量生长、藻类杂生以及水中游离氧的减少都是富养化的基本特征。

A weedy aquatic plant of genus Elodea.

伊乐藻属的任何一种水生植物。

Verdure of etiolation iris lamina is like a sword, design and color is gorgeous and large, have dance like flying Yan Qunfei, beautiful beautiful clinking, extremely rich appeal, can decorate the water wet place by the side of the Chi Panhe in gardens or shallow water area, already considerable leaf, yi Ke watchs a flower, it is to view and admire the hydrophyte with very high value.

黄化鸢尾叶片翠绿如剑，花色艳丽而大型，如飞燕群飞起舞，靓丽无比，极富情趣，可布置于园林中的池畔河边的水湿处或浅水区，既可观叶，亦可观花，是观赏价值很高的水生植物。

Restoration and purification of macrophytes in an eutrophic lake during autumn and winter .

冬季富营养化湖泊中水生植物的恢复及净化作用。

The study results showed that planting aquatic macrophytes could purify Beijing Zoo eutrophy for water flows.

近年来，北京动物园的水体出现严重的富营养化问题，为了净化水环境，本课题采用了水生植物净化水体的生态工程方法进行了研究。

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。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。