2. Electrodes produced in these furnaces are remelted in vacuum with electrodes pressed directly in further purification. 在这些炉里产生的电极在真空中再熔，并在进一步精炼中直接压制。
3. Objective To improve output, purification and function of islet cells by optimizing isolation and purification methods. 目的优化胰岛细胞分离纯化的方法，提高胰岛产量、纯度和功能。
英英解释
n.
1. the act of cleaning by getting rid of impurities
2. the process of removing impurities (as from oil or metals or sugar etc.)
3. a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites
4. the act of purging of sin or guilt; moral or spiritual cleansing
网络释义
purification 净化;
洗净;
提纯;
纯化;
air purification 空气净化;
空气净化，空气洁净;
释义：空气净化;
大气自净作用;
