目的：研究人乳腺癌组织中活化型MMP-2的分布及与乳腺癌侵袭和转移的关系。
Objective To investigate the distribution of active MMP-2 in human breast cancer tissues and its relation with invasion and metastasis of breast cancer.
详细介绍用732型阳离子交换树脂精制甲醇的方法及生产性试验的效果，并简述了树脂的活化、再生方法。
This paper introduces methanol refining method and pilot-scale production result by using 732-cation exchange resin and, summarizes activation and regeneration of the resin.
本文实验就是利用海泡石的这一特性，先将海泡石进行高温活化，再将其与木浆混合配抄吸附型薄页纸，此纸可以卷制成滤嘴棒作卷烟滤嘴。
According to its character, sepiolite is used to make adsorption tissue with softwood pulp after heat activation, the paper can roll into stick as cigarette filter tip.
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