This paper has reported the new technique of distilling sodium zinc chlorophyllin from water lettuce leaves.

本文报道了以水浮莲叶为原料提取叶绿素锌钠盐的新方法，同时探讨正交试验优化的工艺条件。

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The paper provides the theoretical basis for protecting and harnessing the ecological environment of Wanfeng lake by analyzing the reason of water lettuce pollution.

为探索万峰湖水白菜发生原因，在调查与取样分析的基础上，对万峰湖水质现状进行了评价与分析。

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Accumulation of pirimicarb in sludge, grass carp, duckweed and water lettuce increased with time. In the meantime, concentration of pirimicarb in aquatic phase decreased continuously.

在底泥、草鱼、浮萍以及水浮莲中的积累都随时间的延续而增加，与此同时，水体中抗蚜威的浓度不断下降。

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Moving between eggs and lettuce is task switching, but the pan is actually heating as she preps the food, and the water is running over the lettuce while she stirs the eggs.

FORBES: Multitasking: Good Or Bad?

Certainly putting someone on lettuce and warm water for 2 months is cheaper than treating diabetes for 20 years.

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Dumping them in, she stirs them for a bit, turns the heat down, goes back to the sink to turn off the water, and lets the lettuce sit in the sink to drain.

FORBES: Multitasking: Good Or Bad?