Diacid has been got using diethylene glycol as decomposition agent of adduct.采用二甘醇作为加合物的分解剂,得到了二元酸.DTPA ( diethylene triamine penta - aceticacid )二乙烯三胺五醋酸 ( 有机螯合剂 )It is testified that the depolymerized products are tere...
壮年期的失望接替青年期的幻想.The disappointment of manhood succeeds to the delusion of youth.精粹来说,它是人类从青年期到成熟的过渡期.In essence it is humanity's transition from adolescence to maturity.但是自我同一性在青年期的发展却有着最为重要的意义.But It has the most im...