Besides, some complicated factors in the pre-dose technique would be the possible cause of the greater errors.
另外，前剂量技术中一些复杂因素，也是导致年代测定误差大的可能原因。
2
While we have not seen dose-limiting toxicity at this level with the slower infusion (without pre-medication), we have seen headache in two patients, which is a moderate adverse effect.
The effects of pre irradiation dose, monomer, Mohr's salt and crosslinking agent concentration, grafting temperature and reaction time on grating copolymerization were investigated.