本方法已用于镍矿、催化剂回收液和人发样品的分析。
The proposed method has been applied to determine simultaneously cobalt and nickel in real samples with satisfactory results.
最后通过七次催化剂回收使用实验表明催化作用没有明显改变。
Seven recovery and recycle experiments were carried out. It was shown that the catalytic activities of the polyoxyethylenes were basically not changed.
考察了催化剂用量、反应时间、醇酸比及催化剂回收使用效率。
It reviewed the amount of the activator, the time of reaction, ratio of alcohol acid and the efficiency of the resin recycled and used?
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