chelators英'kiːlətɔːz美'kiːlətɔːzCOCA¹⁶⁸³⁵⁴BNC²³⁶²¹³⁺¹ 基本例句 螯合剂¹⁰⁰原型chelator的复数 The results show that La mainly combines with cell wall material and the combination is extremely firm and it can only be released by powerful chelators, such as EDTA. 研究结果表明,镧被根吸收以后主要存在于细胞壁和细胞间隙中,且结合十分紧密,用强配位剂 EDTA才能将其提取出来。 cnki