摘要:NERCPW is a national Engineering Research Center licensed by Chinese NationalPlaning Administration with the file of PHT No(1998) 2 346 .The Center is located inYangling Agricultural High- Tech Industries Dem onstration Zone.Task and direction of the engineering technology researchMain task:a.Studying on whole settechnology of scientific and economical production process,technical parameters,as well as equipment arrangement to separate,extract,synthesizeand reform the chemical struct…