催化剂可以分为两种：过渡金属双官能催化剂和过渡金属的碳氧化物催化剂。

The catalysts can divide into two kinds: the transition metal bifunctional catalysts and oxycarbide catalysts of transition metals.

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强浸蚀：将金属制件浸在较高浓度和一定温度的浸蚀溶液中，以除去金属制件表面上氧化物和锈蚀物的过程。

Strong erosion: the metal workpieces dip in with high and certain temperature erosion of solution, to remove metal workpieces surface oxides and corrosion things process.

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是一种活泼的二元强酸，能与许多金属或金属氧化物作用而生成硫酸盐，有强烈的吸水作用和氧化作用。

It is duality strong acerbity. It had ability with much metal and metal oxide action make sulfate while it process strong SOP and oxygenation.

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