这种大西洋的海草有点像英国沿海生长的岩藻，含有很多有浮力的膜泡。

Like the fucus, which grows on British shores, this Atlantic vegetation contained buoyancy bubbles.

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微囊藻毒素能干扰鱼类胚胎发育，延迟出膜时间，降低孵化率，增加畸形率，而且还具有剂量依赖效应。

Microcystins can interfere with the development of embryos, delay hatching time, reduce hatchability and increase malformation rate with a dose-dependent manner.

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在加入少量藻酸钙盐的条件下，用硼酸交联聚乙烯醇（PVA），活性污泥培养物渗于其内，将其涂于载体上被固定成膜。

To add a little calcium alginate into boric acid cross-linkedpolyving akohol(PVA)and permeate active sludge culture into the mix, and at last apply the mix on carrier to make film.

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