No toxic response has been found in acute toxicity test.

急性毒性实验未见任何毒性反应。

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Objective: Safety of the purified wood vinegar was studied by the acute and chronicity toxic response on the experiment animal.

目的：通过观察实验动物使用木醋液后的急、慢性毒性反应，评估精制木醋液的安全性。

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So,Once they are lost in response to a toxic sound or to an antibiotic it cannot be regenerated by natural means.

一旦因噪音或抗生素遭受损失,就难以再生。

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This is called a hormetic response, a little bit of a biological stress, below toxic levels, activates defenses in the body.

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