这一方法之所以快是因为一次可以进行许多批次的分析而且整个过程是自动的。
It is fast because many batches can be done at the same time and the whole process can be automated.
结论同其他测定方法相比该法操作简单、速度快、效率高、无污染、费用低、无需复杂的前处理，可以直接对大量未知样品进行测定。
Conclusion Compared with other methods, the method is simple, rapid, high efficient, low expenditure, no pollution and with preparation undone and is suit for large quantity of unknown samples.
试验表明，采用复合催化法很容易制备聚合速度快且软化点适宜的壳法用热塑性酚醛树脂。
The results showed that a kind of fast curing novolac for shell process whose softing point is reasonable was easily prepared by compound catalysis.
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