aminic造句

• Sam has three ionizable groups besides the sulfonium pole : the carboxyl and the aminic groups of the amino acidic chain with pk 1.8 and 7.8 respectively and the aminic group of the purine with pk 3.4 . in an acid environment sam is positive charged, so it could be adsorbed by weak-acid cation exchange resin
  sam除具有一个带正电荷的锍外，还有三个可离子化的基团：pk_a分别为1.8、7.8的氨基酸链上的羧基和氨基，pk_a为3.4的嘌呤环上的氨基。
• Sam has three ionizable groups besides the sulfonium pole : the carboxyl and the aminic groups of the amino acidic chain with pk 1.8 and 7.8 respectively and the aminic group of the purine with pk 3.4 . in an acid environment sam is positive charged, so it could be adsorbed by weak-acid cation exchange resin
  sam除具有一个带正电荷的锍外，还有三个可离子化的基团：pk_a分别为1.8、7.8的氨基酸链上的羧基和氨基，pk_a为3.4的嘌呤环上的氨基。