Dissociating from drosophila melanogaster salivary gland with different dissociation liquid, the experiment shows that drosophila melanogaster salivary gland chromosomes, dissociated from 3min salivary gland with hydrochloric acid acetic acid C liquid, is the best result.
实验结果表明:用盐酸醋酸C液解离唾腺体3min,所制成的果蝇唾腺染色体效果最好。
In allusion to the problems of the too small particle, the inferior crystal shape and the low yield in the manufacture of Vitamin C-Na, the crystallization process of Vitamin C-Na was systematically investigated.
研究确定了维生素 C 钠盐溶液的预处理方法,采用粗滤法、微滤法、EDTA络合法等手段,达到了较好的处理效果,降低了结晶液中的杂质含量,结晶液含量及澄清度均满足溶析结晶过程的需要。