Membrane separation technologies played an important part in environmental analysis.

膜分离技术在环境分析中起着十分重要的作用。

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Direct characterization technologies for chemical analysis of fibers, without a previous separation of the components or component groups from each other, were reviewed.

该文主要介绍在不对纤维组分进行预先分离的条件下，纤维化学特性的表征技术。

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Direct characterization technologies for chemical analysis of fibers, without a previous separation of the components or component groups from each other, were reviewed.

该文主要介绍在不对纤维组分进行预先分离的条件下，纤维化学特性的表征技术。

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