The activated clay with high decoloring capacity can be prepared by the optimization of process conditions of acid-activation of bentonite.
通过优化酸活化膨润土工艺条件，制备高脱色力活性白土。
Using NaSCN as solvent, flat acrylic fiber was produced by two-step wet spinning process. The selection of spinneret shape and the optimization of process conditions were discussed.
采用硫氰酸钠为溶剂，湿法二步法工艺生产扁平腈纶，探讨了喷丝板的选型和生产工艺的优化。
However, process conditions, optimization of process operating conditions have significant limitations, in most cases results were not significant.
但由于工艺条件的限制，优化工艺操作条件具有很大的局限性，大部分情况下效果并不显著。
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