为了避免在冲洗高反差负像影像过程中产生银的沉积，形成银渣，可采用下列四项措施，效果良好：1采用主显影剂；

For preventing the formation of silver mud sedimented during the processing of hi -contrast negative image, the following four measures are useful and effective:1. using principal developing agents;

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结果表明，助剂MS 0 11与裂化催化剂有较好的配伍性，助剂对主催化剂性能以及对产品分布没有明显影响。

The results showed that the said additive was compatible to FCC catalyst, and had no obvious influence on the product SLATE.

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