Effects of initial carbon source concentration and nitrogen source concentration on D-ribose fermentation and feedingprocess in flask.
初始碳氮源浓度对d -核糖发酵的影响及摇瓶补料工艺。
2
The zinc smelting furnace with automatic feeding system has functions of automatic, timing and quantitative control on its feedingprocess.
锌熔炼炉自动投料系统可实现对熔炼炉投料的自动、定时、定量控制。
3
Surface hardness, hardness along the depth and the degree of layer looseness are all Superioors than the conventional drop-feedingprocess with methanol and ammonia.