The oven operates on the air-bath principle . 恒温槽工作基于空气浴原理。
2.
A heat treatment to composite membrane , preferred at a 70 hot air bath for 20 minutes can improve the salt resistance of the composite membrane 对复合膜进行适当的热处理可以进一步改善复合膜的脱盐性能，以70热空气浴， 20min为宜。
3.
This instrument keeps constant temperature by circling air both . it use computer to control temperature and oscillation frequency , led digital display , it has stable performance , and its quality is reliable , its appearance is beautiful and digniful . it can be operated conveniently . it is the suitable instrument uhcih is used on researching and production by the trades of bioengineering . medicine . hygienist and so on 该振荡培养箱是利用旋转空气浴进行恒温的振荡器,温度和振荡频率均采用电脑控制,用led数码显示.该振荡器性能稳定,质量可靠,造型美观大方,操作方便,实为生物工程、医药、卫生等行业科研和生产中使用的理想仪器。
