The results were as follows: hyperpure water could be used as mobile phase to isolate HT-toxin; 试验结果表明:利用超纯水作为流动相能够较好地将HT-粗毒素分离;
Adding carbonaceous, cupreous and the alloyed element to the hyperpure iron powder step by step to improve the property of material. 在超纯铁粉中通过逐步添加C、Cu、FY-1合金元素来提高材料的综合性能。
Hyperpure phosphoric acid, which belongs to high end electronic chemical, has an immense demand in electronic industry and wide market prospect. 高纯磷酸作为高端的电子化学品,在国内外电子工业中有着广泛的应用。