气候变化将改变化学品的毒性，如医药品，这些药品往往是被冲下马桶，排入废水，最终汇入当地水流中。

This would alter the toxicity of chemicals such as pharmaceuticals, which make their way into these streams when they are excreted into waster water and flushed down the toilet.

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所得到的手性醇是许多手性医药和其它手性精细化学品的关键手性砌块。

These chiral alcohols, the products, are the key chiral building blocks for many chiral pharmaceuticals, agrochemicals and other fine chemicals.

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综述了植物甾醇、紫杉醇、桦木酸、桧木醇等几种与医药保健品有关的林产化学品的研究开发现状。

This paper reviewed the study situation of several forest chemical products associated with medical and health(products, ) such as sterols, paclitaxel, betulinic acid and hinokitol.

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