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水生植物

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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。

In hydrophytes a well-arranged system of these air-filled cavities may exist to provide buoyancy.

水生植物中有一些排列规则的空腔,它们可以增加植物体的浮力。

The alga that says in place of Chinese ancient time it is thus clear that is the floorboard to hydrophyte.

可见在中国古代所说的藻类是对水生植物的总称。

This paper introduces application of aquatic plants in sewage treatment.

介绍了水生植物在污水治理中的应用。

The result were summarized as follows:1. There are rich resources of aquatic plants in Zhejiang province.

结果表明: 1。调查显示,浙江省具有较丰富的水生植物资源。

He noted that most pictures of constructed wetlands show very homogeneous dense stands of emergent macrophytes, usually cattails or bulrush.

他指出,大部分照片人工湿地表明立场非常均匀致密急诊水生植物通常cattails或移栽。

Aquatic plants spring up over vast areas - capybara heaven.

水生植物无限蔓延生长,成为水豚的天堂。

Removal of hydrophytes system composed by potamogeton 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。

Crassipes and P. crispus. Results of artifical enclosers experiment showed that all tested aquatic plants decreasedthe nutrient level of nitrogen and phosphorus in eutrophic water of the reservoir,moderated organic pollutant load, and also improved dissolved oxygen concentration.

通过人工生态围隔考察各植物的生长特点和净化效果,试验表明,各受试水生植物均可正常生长,降低水库富营养化水体中氮磷营养水平,减轻有机污染负荷,增加溶解氧浓度。

Although there were massive researches on sewage purification of macrophytes, most of which focused on single life form plants and conducted in a lentic chamber condition.

有关水生植物净化污水的研究已有广泛报道,但现有成果多来源于静态的室内研究,所用植物多为生活型接近的物种。

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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。

There was a conflict between plebs and patricians in ancient Rome in 494BC.

在公元前494年,罗马发生了一次平民反对贵族的斗争。