Conclusions Some of the various compounds in the condensation of edible oil fume were proved to have high recessive lethal effect and also genotoxic effect on the reproductive system of drosophila.

结论证明食用油烟雾冷凝物中的一些化学成分具有较强的隐性致死作用，对果蝇的生殖系统具有遗传毒性作用。

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The result showed that the UV-B radiation was very harmful to rotifers and could make acute lethal effect on them when the UV-B radiation intensity achieved some threshold.

结果表明：UV - B辐射对轮虫有较大的伤害作用，且当辐射强度达一定阈值会对其产生急性致死作用。

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While it enhances organismal survival and longevity under most circumstances, HSF1 has the opposite effect in supporting the lethal phenomenon of cancer.

尽管在大多数情况下HSF - 1可以增加生物体的存活和生存时间，它有支持癌的致命现象的反作用。

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One of the great fascinations in politics is how apparently unconnected events can coincide to lethal effect.

BBC: Health reform: A suitable case for treatment?

This is why highly oxidized water has a lethal effect on bacteria.

FORBES: Holy Water

These horns can be used to lethal effect and the oryx has been known to use them to kill lions.

BBC: Zoo kills endangered antelopes