研究人员发现一种“电子鼻子”能够从肺癌或头颈部癌症病人的呼吸中识别癌症的化学信号。
Researchers found an "electronic nose" was able to identify chemical signals of cancer in the breath of patients with lung or head and neck cancer.
研究者所分析的咖啡容量从23毫升至70毫升不等，他们的发现已发表于皇家化学学会的《食品与功能》期刊。
Researchers analysed coffees ranging in cup size from 23ml to 70ml. Their findings are published in the Royal Society of Chemistry's Food and Function journal.
这种仪器直至今天仍然广泛使用，它可以从土壤、水或空气中发现的数以万计的化学物中嗅到一部分（需要的）的东西。
Still widely used, this electronic nose is able to sniff out a few parts per trillion of chemicals found in the soil, water or air.
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