方法采用 反相 高效液相色谱法测定各种大黄煎液中芦荟大黄素的含量.Methods: The contents of aloe - emodin in rhubarb decoctions were determined by RP - HPLC.本发明涉及芦荟大黄素的抗紫外线辐射用途.The present invention relates to the uvioresistant use of aloe emodin.芦荟甙、芦荟大...
Why can't you spend a few bucks on a coat?你为什么不能花点儿钱买件外套呢?That would probably cost you about fifty bucks.那大概要花掉你50美元左右。This means big bucks for someone.对某些人来说这是一大笔钱。...