The catalyst has high activity, selectivity and the characteristic of reaction controlled phase transfer catalyst.

该催化剂具有高活性、高选择性，且具有反应控制相转移催化剂的特性。

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The catalyst has high activity, high selectivity, high stability, long service life and high catalytic efficiency.

本发明使得催化剂的 活性和选择性高、稳定性好、使用寿命长、催化效率大大提高。

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In addition, as the leaching residue mainly consists of silicate and has high activity, it can be used as the raw material for cement mix and building material.

此外，浸出渣主要由硅酸盐组成，并具有较高的活性，可以作为水泥掺合料和生产建筑材料的原料。

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In Massachusetts, one of the 29 states that the CDC has identified as having high activity of influenza-like illness, Boston Mayor Thomas Menino declared a public health emergency in the city Wednesday because of the flu.

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Another market that has been flooded with high-end investment activity is indeed Miami.

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