一种对失活的催化剂进行原位再生的方法，该方法能除去掩蔽催化剂位点的硫酸钙层。
An in-situ method for regenerating a deactivated catalyst can remove a calcium sulfate layer masking active catalyst sites.
本营养添加剂，添加使用方便，能有效附着于冰鲜鱼体上，不易溶失到水中造成浪费；
The nutritional additive is easy to add, can be attached to the iced fish effectively, and is not easy to dissolve in water to cause waste;
本营养添加剂，添加使用方便，能有效附着于冰鲜鱼体上，不易溶失到水中造成浪费；
The nutritional additive is easy to add, can be attached to the iced fish effectively, and is not easy to dissolve in water to cause waste;
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