foreign impurity ion 杂质离子
conce ion for foreign investment 外商投资优惠政策
ion of foreign geographical names 外国地名汉字译写规则
From this, a new research system-delivery of foreign DNA into microorganism via ion beam - was established, offering a new way to construct genetically engineered microorganism.
由此建立起离子注入介导微生物外源dna转导的研究体系，为微生物转基因工程提供了一条新的途径。
Ion implantation may echo on plant cell, thus provide convenicence for foreign genetic material transferring into cell.
低能离子束注入对细胞的刻蚀作用提供了外源遗传物质进入细胞的途径。
The method is not influence for sodium ion in sample, and not polluted by internal and foreign matter. And it has high specificity, precise testing result, and good accuracy.
该方法特异性高，不受样品中钠离子的影响，也不受内、外源腺苷三磷酸的污染，测试过程灵敏、结果准确。
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