Zuker and his colleagues posed a natural evolutionary question: Why would mammals have developed such an excellent carbondioxidedetector?
朱克和他的同事提出了一个自然演进的问题：为什么哺乳动物会衍变出这么优秀的二氧化碳探察功能呢？
2
Weiss had to distill, heat and pass the air samples over adsorbents to remove gases such as carbondioxide and krypton that could foul the extremely sensitive detector.
维斯必须蒸馏、加热并使空气样品通过吸附剂，以除去二氧化碳和氪等会污染极灵敏的探测器的气体。
3
They turn into carbondioxide generated by non-dispersive infrared detector, which were measured in water of the total carbon (TC) and inorganic carbon (IC).