氢气和二氧化碳的发生不仅在化学教学、科研实验中比较常用,而且在医学微生物学厌氧培养技术上也是不可缺少的。上述两种气体的制取分为工业及实验室两种方法。用工业制法获得的气体用起来较为方便,然而设备、造价高、仅能在大城市得到供应。实验室制法仍有它独到之处。最近出于培养厌氧细菌的需要,笔者自行设计了 The occurrence of hydrogen and carbon dioxide is not only commonly used in chemistry teaching and research experiments, but also in the anaerobic culture technology of medical microbiology. The preparation of the above two gases can be divided into industrial and laboratory methods. The gas obtained by the industrial process is more convenient to use, but the equipment and cost are high and can only be supplied in big cities. Laboratory manufacturing still has its own uniqueness. Recently, for the need of culturing anaerobic bacteria, the author designed it himself.