研究了用紫外分光光度法测定焦性没食子酸含量的一种新方法.An UV - spectrophotometry determination method for pyrogallic acid content was studied.目的测定铁苋菜中没食子酸的含量.Objective To determine the content of gallic acid in Acalypha australis L.目的:建立高效液相测定珠子肝泰...
到1927年为止,该地区一直受缅甸的管辖.This area was to remain under Burmese control until 1927.他们在缅甸的贸易受到普利卡特的支配.Their trade in Burma was managed from Pulicat.公司董事会就发出命令,结束在缅甸的冒险.The directors of the company had issued orders for liquida...
The suitable organic imine reactants have a variety of compositions and structures.合适的有机亚胺反应剂具有多种组成和结构.The alternative use of buffered silica gel resulted in modest hydrolysis ( ~5 - 10 % ) of the imine.选用温和的水解导致缓冲硅胶 ( ~...