Pope教授谈道：“哪些类型的粒子对人体最为有害，关于这个问题人们仍在争论不休，我们暂时还不明了，最具危害性的，到底是硫酸盐，硝酸盐，还是细微粉尘颗粒。”
"There are still big debates about which type of particle is the most toxic," said Pope. "We're not sure whether it's the sulfates, or the nitrates, or even fine dust that's the most problematic."
然而，关于是否药物本身导致了这些问题而进行的人体研究却产生了矛盾的结果。
However, human studies have yielded conflicting results as to whether the drug itself contributes to these problems.
康奈尔大学最新的科研项目在时差的问题以及人体关于昼夜规律的调整上有了更进一步的研究。
New Cornell research has taken a major step toward treating jet lag and other more serious syndromes by advancing our understanding of how circadian rhythms work.
康奈尔大学最新的科研项目在时差的问题以及人体关于昼夜规律的调整上有了更进一步的研究。
New Cornell research has taken a major step toward treating jet lag and other more serious syndromes by advancing our understanding of how circadian rhythms work.
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